diff --git a/.cproject b/.cproject
index d1780de30040f79edc575b94461e204e3f965659..a9b81cba15fb871f873ef8acea4b93cc85bf79d9 100644
--- a/.cproject
+++ b/.cproject
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+ <inputType id="cdt.managedbuild.tool.gnu.c.linker.input.65027192" superClass="cdt.managedbuild.tool.gnu.c.linker.input">
+
+ <additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
+
+ <additionalInput kind="additionalinput" paths="$(LIBS)"/>
+
+ </inputType>
+
+ </tool>
+
+ <tool id="cdt.managedbuild.tool.gnu.cpp.linker.mingw.exe.release.2099402939" name="MinGW C++ Linker" superClass="cdt.managedbuild.tool.gnu.cpp.linker.mingw.exe.release"/>
+
+ </toolChain>
+
+ </folderInfo>
+
+ <sourceEntries>
+
+ <entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="src"/>
+
+ </sourceEntries>
+
+ </configuration>
+
+ </storageModule>
+
+ <storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+
+ </cconfiguration>
+
+ </storageModule>
+
+ <storageModule moduleId="cdtBuildSystem" version="4.0.0">
+
+ <project id="constant-workspace-algorithms-c.cdt.managedbuild.target.gnu.mingw.exe.233459410" name="Executable" projectType="cdt.managedbuild.target.gnu.mingw.exe"/>
+
+ </storageModule>
+
+ <storageModule moduleId="scannerConfiguration">
+
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+
+ <scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.mingw.exe.debug.913981392;cdt.managedbuild.config.gnu.mingw.exe.debug.913981392.;cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.debug.935640154;cdt.managedbuild.tool.gnu.c.compiler.input.1918022612">
+
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+
+ </scannerConfigBuildInfo>
+
+ <scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.mingw.exe.release.1419934805;cdt.managedbuild.config.gnu.mingw.exe.release.1419934805.;cdt.managedbuild.tool.gnu.c.compiler.mingw.exe.release.1636892329;cdt.managedbuild.tool.gnu.c.compiler.input.1259866239">
+
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+
+ </scannerConfigBuildInfo>
+
+ </storageModule>
+
+ <storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+
+ <storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
+
+ <storageModule moduleId="refreshScope"/>
+
+</cproject>
diff --git a/.gitignore b/.gitignore
index 3df573fe623699c4038ba9501388748f93485913..b9361b7bb1c9a44b5a024f15a547607b15f60f40 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
/Debug/
+/html/
diff --git a/.settings/language.settings.xml b/.settings/language.settings.xml
index 81c25877e217734914074593b21b39e94c05de70..c990946f19752387b15cd1dcd505a5b723fa8e2e 100644
--- a/.settings/language.settings.xml
+++ b/.settings/language.settings.xml
@@ -1,48 +1,48 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<project>
-
- <configuration id="cdt.managedbuild.config.gnu.mingw.exe.debug.913981392" name="Debug">
-
- <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-
- <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-
- <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="404424846557422912" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
-
- <language-scope id="org.eclipse.cdt.core.gcc"/>
-
- <language-scope id="org.eclipse.cdt.core.g++"/>
-
- </provider>
-
- </extension>
-
- </configuration>
-
- <configuration id="cdt.managedbuild.config.gnu.mingw.exe.release.1419934805" name="Release">
-
- <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-
- <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-
- <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="404424846557422912" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
-
- <language-scope id="org.eclipse.cdt.core.gcc"/>
-
- <language-scope id="org.eclipse.cdt.core.g++"/>
-
- </provider>
-
- </extension>
-
- </configuration>
-
-</project>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<project>
+
+ <configuration id="cdt.managedbuild.config.gnu.mingw.exe.debug.913981392" name="Debug">
+
+ <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+
+ <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
+
+ <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
+
+ <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+
+ <provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="616115681376380407" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
+
+ <language-scope id="org.eclipse.cdt.core.gcc"/>
+
+ <language-scope id="org.eclipse.cdt.core.g++"/>
+
+ </provider>
+
+ </extension>
+
+ </configuration>
+
+ <configuration id="cdt.managedbuild.config.gnu.mingw.exe.release.1419934805" name="Release">
+
+ <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+
+ <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
+
+ <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
+
+ <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+
+ <provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="616115681376380407" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
+
+ <language-scope id="org.eclipse.cdt.core.gcc"/>
+
+ <language-scope id="org.eclipse.cdt.core.g++"/>
+
+ </provider>
+
+ </extension>
+
+ </configuration>
+
+</project>
diff --git a/cairo.h b/cairo.h
deleted file mode 100644
index 136c5dbf2de1d6df9c62e2b3184d55b205287710..0000000000000000000000000000000000000000
--- a/cairo.h
+++ /dev/null
@@ -1,2684 +0,0 @@
-/* cairo - a vector graphics library with display and print output
- *
- * Copyright © 2002 University of Southern California
- * Copyright © 2005 Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it either under the terms of the GNU Lesser General Public
- * License version 2.1 as published by the Free Software Foundation
- * (the "LGPL") or, at your option, under the terms of the Mozilla
- * Public License Version 1.1 (the "MPL"). If you do not alter this
- * notice, a recipient may use your version of this file under either
- * the MPL or the LGPL.
- *
- * You should have received a copy of the LGPL along with this library
- * in the file COPYING-LGPL-2.1; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
- * You should have received a copy of the MPL along with this library
- * in the file COPYING-MPL-1.1
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
- * OF ANY KIND, either express or implied. See the LGPL or the MPL for
- * the specific language governing rights and limitations.
- *
- * The Original Code is the cairo graphics library.
- *
- * The Initial Developer of the Original Code is University of Southern
- * California.
- *
- * Contributor(s):
- * Carl D. Worth <cworth@cworth.org>
- */
-
-#ifndef CAIRO_H
-#define CAIRO_H
-
-#include "cairo-version.h"
-#include "cairo-features.h"
-#include "cairo-deprecated.h"
-
-#ifdef __cplusplus
-# define CAIRO_BEGIN_DECLS extern "C" {
-# define CAIRO_END_DECLS }
-#else
-# define CAIRO_BEGIN_DECLS
-# define CAIRO_END_DECLS
-#endif
-
-#ifndef cairo_public
-# if defined (_MSC_VER) && ! defined (CAIRO_WIN32_STATIC_BUILD)
-# define cairo_public __declspec(dllimport)
-# else
-# define cairo_public
-# endif
-#endif
-
-CAIRO_BEGIN_DECLS
-
-#define CAIRO_VERSION_ENCODE(major, minor, micro) ( \
- ((major) * 10000) \
- + ((minor) * 100) \
- + ((micro) * 1))
-
-#define CAIRO_VERSION CAIRO_VERSION_ENCODE( \
- CAIRO_VERSION_MAJOR, \
- CAIRO_VERSION_MINOR, \
- CAIRO_VERSION_MICRO)
-
-
-#define CAIRO_VERSION_STRINGIZE_(major, minor, micro) \
- #major"."#minor"."#micro
-#define CAIRO_VERSION_STRINGIZE(major, minor, micro) \
- CAIRO_VERSION_STRINGIZE_(major, minor, micro)
-
-#define CAIRO_VERSION_STRING CAIRO_VERSION_STRINGIZE( \
- CAIRO_VERSION_MAJOR, \
- CAIRO_VERSION_MINOR, \
- CAIRO_VERSION_MICRO)
-
-
-cairo_public int
-cairo_version (void);
-
-cairo_public const char*
-cairo_version_string (void);
-
-/**
- * cairo_bool_t:
- *
- * #cairo_bool_t is used for boolean values. Returns of type
- * #cairo_bool_t will always be either 0 or 1, but testing against
- * these values explicitly is not encouraged; just use the
- * value as a boolean condition.
- *
- * <informalexample><programlisting>
- * if (cairo_in_stroke (cr, x, y)) {
- * /<!-- -->* do something *<!-- -->/
- * }
- * </programlisting></informalexample>
- **/
-typedef int cairo_bool_t;
-
-/**
- * cairo_t:
- *
- * A #cairo_t contains the current state of the rendering device,
- * including coordinates of yet to be drawn shapes.
- *
- * Cairo contexts, as #cairo_t objects are named, are central to
- * cairo and all drawing with cairo is always done to a #cairo_t
- * object.
- *
- * Memory management of #cairo_t is done with
- * cairo_reference() and cairo_destroy().
- **/
-typedef struct _cairo cairo_t;
-
-/**
- * cairo_surface_t:
- *
- * A #cairo_surface_t represents an image, either as the destination
- * of a drawing operation or as source when drawing onto another
- * surface. To draw to a #cairo_surface_t, create a cairo context
- * with the surface as the target, using cairo_create().
- *
- * There are different subtypes of #cairo_surface_t for
- * different drawing backends; for example, cairo_image_surface_create()
- * creates a bitmap image in memory.
- * The type of a surface can be queried with cairo_surface_get_type().
- *
- * The initial contents of a surface after creation depend upon the manner
- * of its creation. If cairo creates the surface and backing storage for
- * the user, it will be initially cleared; for example,
- * cairo_image_surface_create() and cairo_surface_create_similar().
- * Alternatively, if the user passes in a reference to some backing storage
- * and asks cairo to wrap that in a #cairo_surface_t, then the contents are
- * not modified; for example, cairo_image_surface_create_for_data() and
- * cairo_xlib_surface_create().
- *
- * Memory management of #cairo_surface_t is done with
- * cairo_surface_reference() and cairo_surface_destroy().
- **/
-typedef struct _cairo_surface cairo_surface_t;
-
-/**
- * cairo_device_t:
- *
- * A #cairo_device_t represents the driver interface for drawing
- * operations to a #cairo_surface_t. There are different subtypes of
- * #cairo_device_t for different drawing backends; for example,
- * cairo_xcb_device_create() creates a device that wraps the connection
- * to an X Windows System using the XCB library.
- *
- * The type of a device can be queried with cairo_device_get_type().
- *
- * Memory management of #cairo_device_t is done with
- * cairo_device_reference() and cairo_device_destroy().
- *
- * Since: 1.10
- **/
-typedef struct _cairo_device cairo_device_t;
-
-/**
- * cairo_matrix_t:
- * @xx: xx component of the affine transformation
- * @yx: yx component of the affine transformation
- * @xy: xy component of the affine transformation
- * @yy: yy component of the affine transformation
- * @x0: X translation component of the affine transformation
- * @y0: Y translation component of the affine transformation
- *
- * A #cairo_matrix_t holds an affine transformation, such as a scale,
- * rotation, shear, or a combination of those. The transformation of
- * a point (x, y) is given by:
- * <programlisting>
- * x_new = xx * x + xy * y + x0;
- * y_new = yx * x + yy * y + y0;
- * </programlisting>
- **/
-typedef struct _cairo_matrix {
- double xx; double yx;
- double xy; double yy;
- double x0; double y0;
-} cairo_matrix_t;
-
-/**
- * cairo_pattern_t:
- *
- * A #cairo_pattern_t represents a source when drawing onto a
- * surface. There are different subtypes of #cairo_pattern_t,
- * for different types of sources; for example,
- * cairo_pattern_create_rgb() creates a pattern for a solid
- * opaque color.
- *
- * Other than various cairo_pattern_create_<emphasis>type</emphasis>()
- * functions, some of the pattern types can be implicitly created
- * using various cairo_set_source_<emphasis>type</emphasis>() functions;
- * for example cairo_set_source_rgb().
- *
- * The type of a pattern can be queried with cairo_pattern_get_type().
- *
- * Memory management of #cairo_pattern_t is done with
- * cairo_pattern_reference() and cairo_pattern_destroy().
- **/
-typedef struct _cairo_pattern cairo_pattern_t;
-
-/**
- * cairo_destroy_func_t:
- * @data: The data element being destroyed.
- *
- * #cairo_destroy_func_t the type of function which is called when a
- * data element is destroyed. It is passed the pointer to the data
- * element and should free any memory and resources allocated for it.
- **/
-typedef void (*cairo_destroy_func_t) (void *data);
-
-/**
- * cairo_user_data_key_t:
- * @unused: not used; ignore.
- *
- * #cairo_user_data_key_t is used for attaching user data to cairo
- * data structures. The actual contents of the struct is never used,
- * and there is no need to initialize the object; only the unique
- * address of a #cairo_data_key_t object is used. Typically, you
- * would just use the address of a static #cairo_data_key_t object.
- **/
-typedef struct _cairo_user_data_key {
- int unused;
-} cairo_user_data_key_t;
-
-/**
- * cairo_status_t:
- * @CAIRO_STATUS_SUCCESS: no error has occurred
- * @CAIRO_STATUS_NO_MEMORY: out of memory
- * @CAIRO_STATUS_INVALID_RESTORE: cairo_restore() called without matching cairo_save()
- * @CAIRO_STATUS_INVALID_POP_GROUP: no saved group to pop, i.e. cairo_pop_group() without matching cairo_push_group()
- * @CAIRO_STATUS_NO_CURRENT_POINT: no current point defined
- * @CAIRO_STATUS_INVALID_MATRIX: invalid matrix (not invertible)
- * @CAIRO_STATUS_INVALID_STATUS: invalid value for an input #cairo_status_t
- * @CAIRO_STATUS_NULL_POINTER: %NULL pointer
- * @CAIRO_STATUS_INVALID_STRING: input string not valid UTF-8
- * @CAIRO_STATUS_INVALID_PATH_DATA: input path data not valid
- * @CAIRO_STATUS_READ_ERROR: error while reading from input stream
- * @CAIRO_STATUS_WRITE_ERROR: error while writing to output stream
- * @CAIRO_STATUS_SURFACE_FINISHED: target surface has been finished
- * @CAIRO_STATUS_SURFACE_TYPE_MISMATCH: the surface type is not appropriate for the operation
- * @CAIRO_STATUS_PATTERN_TYPE_MISMATCH: the pattern type is not appropriate for the operation
- * @CAIRO_STATUS_INVALID_CONTENT: invalid value for an input #cairo_content_t
- * @CAIRO_STATUS_INVALID_FORMAT: invalid value for an input #cairo_format_t
- * @CAIRO_STATUS_INVALID_VISUAL: invalid value for an input Visual*
- * @CAIRO_STATUS_FILE_NOT_FOUND: file not found
- * @CAIRO_STATUS_INVALID_DASH: invalid value for a dash setting
- * @CAIRO_STATUS_INVALID_DSC_COMMENT: invalid value for a DSC comment (Since 1.2)
- * @CAIRO_STATUS_INVALID_INDEX: invalid index passed to getter (Since 1.4)
- * @CAIRO_STATUS_CLIP_NOT_REPRESENTABLE: clip region not representable in desired format (Since 1.4)
- * @CAIRO_STATUS_TEMP_FILE_ERROR: error creating or writing to a temporary file (Since 1.6)
- * @CAIRO_STATUS_INVALID_STRIDE: invalid value for stride (Since 1.6)
- * @CAIRO_STATUS_FONT_TYPE_MISMATCH: the font type is not appropriate for the operation (Since 1.8)
- * @CAIRO_STATUS_USER_FONT_IMMUTABLE: the user-font is immutable (Since 1.8)
- * @CAIRO_STATUS_USER_FONT_ERROR: error occurred in a user-font callback function (Since 1.8)
- * @CAIRO_STATUS_NEGATIVE_COUNT: negative number used where it is not allowed (Since 1.8)
- * @CAIRO_STATUS_INVALID_CLUSTERS: input clusters do not represent the accompanying text and glyph array (Since 1.8)
- * @CAIRO_STATUS_INVALID_SLANT: invalid value for an input #cairo_font_slant_t (Since 1.8)
- * @CAIRO_STATUS_INVALID_WEIGHT: invalid value for an input #cairo_font_weight_t (Since 1.8)
- * @CAIRO_STATUS_INVALID_SIZE: invalid value (typically too big) for the size of the input (surface, pattern, etc.) (Since 1.10)
- * @CAIRO_STATUS_USER_FONT_NOT_IMPLEMENTED: user-font method not implemented (Since 1.10)
- * @CAIRO_STATUS_DEVICE_TYPE_MISMATCH: the device type is not appropriate for the operation (Since 1.10)
- * @CAIRO_STATUS_DEVICE_ERROR: an operation to the device caused an unspecified error (Since 1.10)
- * @CAIRO_STATUS_LAST_STATUS: this is a special value indicating the number of
- * status values defined in this enumeration. When using this value, note
- * that the version of cairo at run-time may have additional status values
- * defined than the value of this symbol at compile-time. (Since 1.10)
- *
- * #cairo_status_t is used to indicate errors that can occur when
- * using Cairo. In some cases it is returned directly by functions.
- * but when using #cairo_t, the last error, if any, is stored in
- * the context and can be retrieved with cairo_status().
- *
- * New entries may be added in future versions. Use cairo_status_to_string()
- * to get a human-readable representation of an error message.
- **/
-typedef enum _cairo_status {
- CAIRO_STATUS_SUCCESS = 0,
-
- CAIRO_STATUS_NO_MEMORY,
- CAIRO_STATUS_INVALID_RESTORE,
- CAIRO_STATUS_INVALID_POP_GROUP,
- CAIRO_STATUS_NO_CURRENT_POINT,
- CAIRO_STATUS_INVALID_MATRIX,
- CAIRO_STATUS_INVALID_STATUS,
- CAIRO_STATUS_NULL_POINTER,
- CAIRO_STATUS_INVALID_STRING,
- CAIRO_STATUS_INVALID_PATH_DATA,
- CAIRO_STATUS_READ_ERROR,
- CAIRO_STATUS_WRITE_ERROR,
- CAIRO_STATUS_SURFACE_FINISHED,
- CAIRO_STATUS_SURFACE_TYPE_MISMATCH,
- CAIRO_STATUS_PATTERN_TYPE_MISMATCH,
- CAIRO_STATUS_INVALID_CONTENT,
- CAIRO_STATUS_INVALID_FORMAT,
- CAIRO_STATUS_INVALID_VISUAL,
- CAIRO_STATUS_FILE_NOT_FOUND,
- CAIRO_STATUS_INVALID_DASH,
- CAIRO_STATUS_INVALID_DSC_COMMENT,
- CAIRO_STATUS_INVALID_INDEX,
- CAIRO_STATUS_CLIP_NOT_REPRESENTABLE,
- CAIRO_STATUS_TEMP_FILE_ERROR,
- CAIRO_STATUS_INVALID_STRIDE,
- CAIRO_STATUS_FONT_TYPE_MISMATCH,
- CAIRO_STATUS_USER_FONT_IMMUTABLE,
- CAIRO_STATUS_USER_FONT_ERROR,
- CAIRO_STATUS_NEGATIVE_COUNT,
- CAIRO_STATUS_INVALID_CLUSTERS,
- CAIRO_STATUS_INVALID_SLANT,
- CAIRO_STATUS_INVALID_WEIGHT,
- CAIRO_STATUS_INVALID_SIZE,
- CAIRO_STATUS_USER_FONT_NOT_IMPLEMENTED,
- CAIRO_STATUS_DEVICE_TYPE_MISMATCH,
- CAIRO_STATUS_DEVICE_ERROR,
-
- CAIRO_STATUS_LAST_STATUS
-} cairo_status_t;
-
-/**
- * cairo_content_t:
- * @CAIRO_CONTENT_COLOR: The surface will hold color content only.
- * @CAIRO_CONTENT_ALPHA: The surface will hold alpha content only.
- * @CAIRO_CONTENT_COLOR_ALPHA: The surface will hold color and alpha content.
- *
- * #cairo_content_t is used to describe the content that a surface will
- * contain, whether color information, alpha information (translucence
- * vs. opacity), or both.
- *
- * Note: The large values here are designed to keep #cairo_content_t
- * values distinct from #cairo_format_t values so that the
- * implementation can detect the error if users confuse the two types.
- **/
-typedef enum _cairo_content {
- CAIRO_CONTENT_COLOR = 0x1000,
- CAIRO_CONTENT_ALPHA = 0x2000,
- CAIRO_CONTENT_COLOR_ALPHA = 0x3000
-} cairo_content_t;
-
-/**
- * cairo_write_func_t:
- * @closure: the output closure
- * @data: the buffer containing the data to write
- * @length: the amount of data to write
- *
- * #cairo_write_func_t is the type of function which is called when a
- * backend needs to write data to an output stream. It is passed the
- * closure which was specified by the user at the time the write
- * function was registered, the data to write and the length of the
- * data in bytes. The write function should return
- * %CAIRO_STATUS_SUCCESS if all the data was successfully written,
- * %CAIRO_STATUS_WRITE_ERROR otherwise.
- *
- * Returns: the status code of the write operation
- **/
-typedef cairo_status_t (*cairo_write_func_t) (void *closure,
- const unsigned char *data,
- unsigned int length);
-
-/**
- * cairo_read_func_t:
- * @closure: the input closure
- * @data: the buffer into which to read the data
- * @length: the amount of data to read
- *
- * #cairo_read_func_t is the type of function which is called when a
- * backend needs to read data from an input stream. It is passed the
- * closure which was specified by the user at the time the read
- * function was registered, the buffer to read the data into and the
- * length of the data in bytes. The read function should return
- * %CAIRO_STATUS_SUCCESS if all the data was successfully read,
- * %CAIRO_STATUS_READ_ERROR otherwise.
- *
- * Returns: the status code of the read operation
- **/
-typedef cairo_status_t (*cairo_read_func_t) (void *closure,
- unsigned char *data,
- unsigned int length);
-
-/* Functions for manipulating state objects */
-cairo_public cairo_t *
-cairo_create (cairo_surface_t *target);
-
-cairo_public cairo_t *
-cairo_reference (cairo_t *cr);
-
-cairo_public void
-cairo_destroy (cairo_t *cr);
-
-cairo_public unsigned int
-cairo_get_reference_count (cairo_t *cr);
-
-cairo_public void *
-cairo_get_user_data (cairo_t *cr,
- const cairo_user_data_key_t *key);
-
-cairo_public cairo_status_t
-cairo_set_user_data (cairo_t *cr,
- const cairo_user_data_key_t *key,
- void *user_data,
- cairo_destroy_func_t destroy);
-
-cairo_public void
-cairo_save (cairo_t *cr);
-
-cairo_public void
-cairo_restore (cairo_t *cr);
-
-cairo_public void
-cairo_push_group (cairo_t *cr);
-
-cairo_public void
-cairo_push_group_with_content (cairo_t *cr, cairo_content_t content);
-
-cairo_public cairo_pattern_t *
-cairo_pop_group (cairo_t *cr);
-
-cairo_public void
-cairo_pop_group_to_source (cairo_t *cr);
-
-/* Modify state */
-
-/**
- * cairo_operator_t:
- * @CAIRO_OPERATOR_CLEAR: clear destination layer (bounded)
- * @CAIRO_OPERATOR_SOURCE: replace destination layer (bounded)
- * @CAIRO_OPERATOR_OVER: draw source layer on top of destination layer
- * (bounded)
- * @CAIRO_OPERATOR_IN: draw source where there was destination content
- * (unbounded)
- * @CAIRO_OPERATOR_OUT: draw source where there was no destination
- * content (unbounded)
- * @CAIRO_OPERATOR_ATOP: draw source on top of destination content and
- * only there
- * @CAIRO_OPERATOR_DEST: ignore the source
- * @CAIRO_OPERATOR_DEST_OVER: draw destination on top of source
- * @CAIRO_OPERATOR_DEST_IN: leave destination only where there was
- * source content (unbounded)
- * @CAIRO_OPERATOR_DEST_OUT: leave destination only where there was no
- * source content
- * @CAIRO_OPERATOR_DEST_ATOP: leave destination on top of source content
- * and only there (unbounded)
- * @CAIRO_OPERATOR_XOR: source and destination are shown where there is only
- * one of them
- * @CAIRO_OPERATOR_ADD: source and destination layers are accumulated
- * @CAIRO_OPERATOR_SATURATE: like over, but assuming source and dest are
- * disjoint geometries
- * @CAIRO_OPERATOR_MULTIPLY: source and destination layers are multiplied.
- * This causes the result to be at least as dark as the darker inputs.
- * @CAIRO_OPERATOR_SCREEN: source and destination are complemented and
- * multiplied. This causes the result to be at least as light as the lighter
- * inputs.
- * @CAIRO_OPERATOR_OVERLAY: multiplies or screens, depending on the
- * lightness of the destination color.
- * @CAIRO_OPERATOR_DARKEN: replaces the destination with the source if it
- * is darker, otherwise keeps the source.
- * @CAIRO_OPERATOR_LIGHTEN: replaces the destination with the source if it
- * is lighter, otherwise keeps the source.
- * @CAIRO_OPERATOR_COLOR_DODGE: brightens the destination color to reflect
- * the source color.
- * @CAIRO_OPERATOR_COLOR_BURN: darkens the destination color to reflect
- * the source color.
- * @CAIRO_OPERATOR_HARD_LIGHT: Multiplies or screens, dependant on source
- * color.
- * @CAIRO_OPERATOR_SOFT_LIGHT: Darkens or lightens, dependant on source
- * color.
- * @CAIRO_OPERATOR_DIFFERENCE: Takes the difference of the source and
- * destination color.
- * @CAIRO_OPERATOR_EXCLUSION: Produces an effect similar to difference, but
- * with lower contrast.
- * @CAIRO_OPERATOR_HSL_HUE: Creates a color with the hue of the source
- * and the saturation and luminosity of the target.
- * @CAIRO_OPERATOR_HSL_SATURATION: Creates a color with the saturation
- * of the source and the hue and luminosity of the target. Painting with
- * this mode onto a gray area prduces no change.
- * @CAIRO_OPERATOR_HSL_COLOR: Creates a color with the hue and saturation
- * of the source and the luminosity of the target. This preserves the gray
- * levels of the target and is useful for coloring monochrome images or
- * tinting color images.
- * @CAIRO_OPERATOR_HSL_LUMINOSITY: Creates a color with the luminosity of
- * the source and the hue and saturation of the target. This produces an
- * inverse effect to @CAIRO_OPERATOR_HSL_COLOR.
- *
- * #cairo_operator_t is used to set the compositing operator for all cairo
- * drawing operations.
- *
- * The default operator is %CAIRO_OPERATOR_OVER.
- *
- * The operators marked as <firstterm>unbounded</firstterm> modify their
- * destination even outside of the mask layer (that is, their effect is not
- * bound by the mask layer). However, their effect can still be limited by
- * way of clipping.
- *
- * To keep things simple, the operator descriptions here
- * document the behavior for when both source and destination are either fully
- * transparent or fully opaque. The actual implementation works for
- * translucent layers too.
- * For a more detailed explanation of the effects of each operator, including
- * the mathematical definitions, see
- * <ulink url="http://cairographics.org/operators/">http://cairographics.org/operators/</ulink>.
- **/
-typedef enum _cairo_operator {
- CAIRO_OPERATOR_CLEAR,
-
- CAIRO_OPERATOR_SOURCE,
- CAIRO_OPERATOR_OVER,
- CAIRO_OPERATOR_IN,
- CAIRO_OPERATOR_OUT,
- CAIRO_OPERATOR_ATOP,
-
- CAIRO_OPERATOR_DEST,
- CAIRO_OPERATOR_DEST_OVER,
- CAIRO_OPERATOR_DEST_IN,
- CAIRO_OPERATOR_DEST_OUT,
- CAIRO_OPERATOR_DEST_ATOP,
-
- CAIRO_OPERATOR_XOR,
- CAIRO_OPERATOR_ADD,
- CAIRO_OPERATOR_SATURATE,
-
- CAIRO_OPERATOR_MULTIPLY,
- CAIRO_OPERATOR_SCREEN,
- CAIRO_OPERATOR_OVERLAY,
- CAIRO_OPERATOR_DARKEN,
- CAIRO_OPERATOR_LIGHTEN,
- CAIRO_OPERATOR_COLOR_DODGE,
- CAIRO_OPERATOR_COLOR_BURN,
- CAIRO_OPERATOR_HARD_LIGHT,
- CAIRO_OPERATOR_SOFT_LIGHT,
- CAIRO_OPERATOR_DIFFERENCE,
- CAIRO_OPERATOR_EXCLUSION,
- CAIRO_OPERATOR_HSL_HUE,
- CAIRO_OPERATOR_HSL_SATURATION,
- CAIRO_OPERATOR_HSL_COLOR,
- CAIRO_OPERATOR_HSL_LUMINOSITY
-} cairo_operator_t;
-
-cairo_public void
-cairo_set_operator (cairo_t *cr, cairo_operator_t op);
-
-cairo_public void
-cairo_set_source (cairo_t *cr, cairo_pattern_t *source);
-
-cairo_public void
-cairo_set_source_rgb (cairo_t *cr, double red, double green, double blue);
-
-cairo_public void
-cairo_set_source_rgba (cairo_t *cr,
- double red, double green, double blue,
- double alpha);
-
-cairo_public void
-cairo_set_source_surface (cairo_t *cr,
- cairo_surface_t *surface,
- double x,
- double y);
-
-cairo_public void
-cairo_set_tolerance (cairo_t *cr, double tolerance);
-
-/**
- * cairo_antialias_t:
- * @CAIRO_ANTIALIAS_DEFAULT: Use the default antialiasing for
- * the subsystem and target device
- * @CAIRO_ANTIALIAS_NONE: Use a bilevel alpha mask
- * @CAIRO_ANTIALIAS_GRAY: Perform single-color antialiasing (using
- * shades of gray for black text on a white background, for example).
- * @CAIRO_ANTIALIAS_SUBPIXEL: Perform antialiasing by taking
- * advantage of the order of subpixel elements on devices
- * such as LCD panels
- *
- * Specifies the type of antialiasing to do when rendering text or shapes.
- **/
-typedef enum _cairo_antialias {
- CAIRO_ANTIALIAS_DEFAULT,
- CAIRO_ANTIALIAS_NONE,
- CAIRO_ANTIALIAS_GRAY,
- CAIRO_ANTIALIAS_SUBPIXEL
-} cairo_antialias_t;
-
-cairo_public void
-cairo_set_antialias (cairo_t *cr, cairo_antialias_t antialias);
-
-/**
- * cairo_fill_rule_t:
- * @CAIRO_FILL_RULE_WINDING: If the path crosses the ray from
- * left-to-right, counts +1. If the path crosses the ray
- * from right to left, counts -1. (Left and right are determined
- * from the perspective of looking along the ray from the starting
- * point.) If the total count is non-zero, the point will be filled.
- * @CAIRO_FILL_RULE_EVEN_ODD: Counts the total number of
- * intersections, without regard to the orientation of the contour. If
- * the total number of intersections is odd, the point will be
- * filled.
- *
- * #cairo_fill_rule_t is used to select how paths are filled. For both
- * fill rules, whether or not a point is included in the fill is
- * determined by taking a ray from that point to infinity and looking
- * at intersections with the path. The ray can be in any direction,
- * as long as it doesn't pass through the end point of a segment
- * or have a tricky intersection such as intersecting tangent to the path.
- * (Note that filling is not actually implemented in this way. This
- * is just a description of the rule that is applied.)
- *
- * The default fill rule is %CAIRO_FILL_RULE_WINDING.
- *
- * New entries may be added in future versions.
- **/
-typedef enum _cairo_fill_rule {
- CAIRO_FILL_RULE_WINDING,
- CAIRO_FILL_RULE_EVEN_ODD
-} cairo_fill_rule_t;
-
-cairo_public void
-cairo_set_fill_rule (cairo_t *cr, cairo_fill_rule_t fill_rule);
-
-cairo_public void
-cairo_set_line_width (cairo_t *cr, double width);
-
-/**
- * cairo_line_cap_t:
- * @CAIRO_LINE_CAP_BUTT: start(stop) the line exactly at the start(end) point
- * @CAIRO_LINE_CAP_ROUND: use a round ending, the center of the circle is the end point
- * @CAIRO_LINE_CAP_SQUARE: use squared ending, the center of the square is the end point
- *
- * Specifies how to render the endpoints of the path when stroking.
- *
- * The default line cap style is %CAIRO_LINE_CAP_BUTT.
- **/
-typedef enum _cairo_line_cap {
- CAIRO_LINE_CAP_BUTT,
- CAIRO_LINE_CAP_ROUND,
- CAIRO_LINE_CAP_SQUARE
-} cairo_line_cap_t;
-
-cairo_public void
-cairo_set_line_cap (cairo_t *cr, cairo_line_cap_t line_cap);
-
-/**
- * cairo_line_join_t:
- * @CAIRO_LINE_JOIN_MITER: use a sharp (angled) corner, see
- * cairo_set_miter_limit()
- * @CAIRO_LINE_JOIN_ROUND: use a rounded join, the center of the circle is the
- * joint point
- * @CAIRO_LINE_JOIN_BEVEL: use a cut-off join, the join is cut off at half
- * the line width from the joint point
- *
- * Specifies how to render the junction of two lines when stroking.
- *
- * The default line join style is %CAIRO_LINE_JOIN_MITER.
- **/
-typedef enum _cairo_line_join {
- CAIRO_LINE_JOIN_MITER,
- CAIRO_LINE_JOIN_ROUND,
- CAIRO_LINE_JOIN_BEVEL
-} cairo_line_join_t;
-
-cairo_public void
-cairo_set_line_join (cairo_t *cr, cairo_line_join_t line_join);
-
-cairo_public void
-cairo_set_dash (cairo_t *cr,
- const double *dashes,
- int num_dashes,
- double offset);
-
-cairo_public void
-cairo_set_miter_limit (cairo_t *cr, double limit);
-
-cairo_public void
-cairo_translate (cairo_t *cr, double tx, double ty);
-
-cairo_public void
-cairo_scale (cairo_t *cr, double sx, double sy);
-
-cairo_public void
-cairo_rotate (cairo_t *cr, double angle);
-
-cairo_public void
-cairo_transform (cairo_t *cr,
- const cairo_matrix_t *matrix);
-
-cairo_public void
-cairo_set_matrix (cairo_t *cr,
- const cairo_matrix_t *matrix);
-
-cairo_public void
-cairo_identity_matrix (cairo_t *cr);
-
-cairo_public void
-cairo_user_to_device (cairo_t *cr, double *x, double *y);
-
-cairo_public void
-cairo_user_to_device_distance (cairo_t *cr, double *dx, double *dy);
-
-cairo_public void
-cairo_device_to_user (cairo_t *cr, double *x, double *y);
-
-cairo_public void
-cairo_device_to_user_distance (cairo_t *cr, double *dx, double *dy);
-
-/* Path creation functions */
-cairo_public void
-cairo_new_path (cairo_t *cr);
-
-cairo_public void
-cairo_move_to (cairo_t *cr, double x, double y);
-
-cairo_public void
-cairo_new_sub_path (cairo_t *cr);
-
-cairo_public void
-cairo_line_to (cairo_t *cr, double x, double y);
-
-cairo_public void
-cairo_curve_to (cairo_t *cr,
- double x1, double y1,
- double x2, double y2,
- double x3, double y3);
-
-cairo_public void
-cairo_arc (cairo_t *cr,
- double xc, double yc,
- double radius,
- double angle1, double angle2);
-
-cairo_public void
-cairo_arc_negative (cairo_t *cr,
- double xc, double yc,
- double radius,
- double angle1, double angle2);
-
-/* XXX: NYI
-cairo_public void
-cairo_arc_to (cairo_t *cr,
- double x1, double y1,
- double x2, double y2,
- double radius);
-*/
-
-cairo_public void
-cairo_rel_move_to (cairo_t *cr, double dx, double dy);
-
-cairo_public void
-cairo_rel_line_to (cairo_t *cr, double dx, double dy);
-
-cairo_public void
-cairo_rel_curve_to (cairo_t *cr,
- double dx1, double dy1,
- double dx2, double dy2,
- double dx3, double dy3);
-
-cairo_public void
-cairo_rectangle (cairo_t *cr,
- double x, double y,
- double width, double height);
-
-/* XXX: NYI
-cairo_public void
-cairo_stroke_to_path (cairo_t *cr);
-*/
-
-cairo_public void
-cairo_close_path (cairo_t *cr);
-
-cairo_public void
-cairo_path_extents (cairo_t *cr,
- double *x1, double *y1,
- double *x2, double *y2);
-
-/* Painting functions */
-cairo_public void
-cairo_paint (cairo_t *cr);
-
-cairo_public void
-cairo_paint_with_alpha (cairo_t *cr,
- double alpha);
-
-cairo_public void
-cairo_mask (cairo_t *cr,
- cairo_pattern_t *pattern);
-
-cairo_public void
-cairo_mask_surface (cairo_t *cr,
- cairo_surface_t *surface,
- double surface_x,
- double surface_y);
-
-cairo_public void
-cairo_stroke (cairo_t *cr);
-
-cairo_public void
-cairo_stroke_preserve (cairo_t *cr);
-
-cairo_public void
-cairo_fill (cairo_t *cr);
-
-cairo_public void
-cairo_fill_preserve (cairo_t *cr);
-
-cairo_public void
-cairo_copy_page (cairo_t *cr);
-
-cairo_public void
-cairo_show_page (cairo_t *cr);
-
-/* Insideness testing */
-cairo_public cairo_bool_t
-cairo_in_stroke (cairo_t *cr, double x, double y);
-
-cairo_public cairo_bool_t
-cairo_in_fill (cairo_t *cr, double x, double y);
-
-cairo_public cairo_bool_t
-cairo_in_clip (cairo_t *cr, double x, double y);
-
-/* Rectangular extents */
-cairo_public void
-cairo_stroke_extents (cairo_t *cr,
- double *x1, double *y1,
- double *x2, double *y2);
-
-cairo_public void
-cairo_fill_extents (cairo_t *cr,
- double *x1, double *y1,
- double *x2, double *y2);
-
-/* Clipping */
-cairo_public void
-cairo_reset_clip (cairo_t *cr);
-
-cairo_public void
-cairo_clip (cairo_t *cr);
-
-cairo_public void
-cairo_clip_preserve (cairo_t *cr);
-
-cairo_public void
-cairo_clip_extents (cairo_t *cr,
- double *x1, double *y1,
- double *x2, double *y2);
-
-/**
- * cairo_rectangle_t:
- * @x: X coordinate of the left side of the rectangle
- * @y: Y coordinate of the the top side of the rectangle
- * @width: width of the rectangle
- * @height: height of the rectangle
- *
- * A data structure for holding a rectangle.
- *
- * Since: 1.4
- **/
-typedef struct _cairo_rectangle {
- double x, y, width, height;
-} cairo_rectangle_t;
-
-/**
- * cairo_rectangle_list_t:
- * @status: Error status of the rectangle list
- * @rectangles: Array containing the rectangles
- * @num_rectangles: Number of rectangles in this list
- *
- * A data structure for holding a dynamically allocated
- * array of rectangles.
- *
- * Since: 1.4
- **/
-typedef struct _cairo_rectangle_list {
- cairo_status_t status;
- cairo_rectangle_t *rectangles;
- int num_rectangles;
-} cairo_rectangle_list_t;
-
-cairo_public cairo_rectangle_list_t *
-cairo_copy_clip_rectangle_list (cairo_t *cr);
-
-cairo_public void
-cairo_rectangle_list_destroy (cairo_rectangle_list_t *rectangle_list);
-
-/* Font/Text functions */
-
-/**
- * cairo_scaled_font_t:
- *
- * A #cairo_scaled_font_t is a font scaled to a particular size and device
- * resolution. A #cairo_scaled_font_t is most useful for low-level font
- * usage where a library or application wants to cache a reference
- * to a scaled font to speed up the computation of metrics.
- *
- * There are various types of scaled fonts, depending on the
- * <firstterm>font backend</firstterm> they use. The type of a
- * scaled font can be queried using cairo_scaled_font_get_type().
- *
- * Memory management of #cairo_scaled_font_t is done with
- * cairo_scaled_font_reference() and cairo_scaled_font_destroy().
- **/
-typedef struct _cairo_scaled_font cairo_scaled_font_t;
-
-/**
- * cairo_font_face_t:
- *
- * A #cairo_font_face_t specifies all aspects of a font other
- * than the size or font matrix (a font matrix is used to distort
- * a font by sheering it or scaling it unequally in the two
- * directions) . A font face can be set on a #cairo_t by using
- * cairo_set_font_face(); the size and font matrix are set with
- * cairo_set_font_size() and cairo_set_font_matrix().
- *
- * There are various types of font faces, depending on the
- * <firstterm>font backend</firstterm> they use. The type of a
- * font face can be queried using cairo_font_face_get_type().
- *
- * Memory management of #cairo_font_face_t is done with
- * cairo_font_face_reference() and cairo_font_face_destroy().
- **/
-typedef struct _cairo_font_face cairo_font_face_t;
-
-/**
- * cairo_glyph_t:
- * @index: glyph index in the font. The exact interpretation of the
- * glyph index depends on the font technology being used.
- * @x: the offset in the X direction between the origin used for
- * drawing or measuring the string and the origin of this glyph.
- * @y: the offset in the Y direction between the origin used for
- * drawing or measuring the string and the origin of this glyph.
- *
- * The #cairo_glyph_t structure holds information about a single glyph
- * when drawing or measuring text. A font is (in simple terms) a
- * collection of shapes used to draw text. A glyph is one of these
- * shapes. There can be multiple glyphs for a single character
- * (alternates to be used in different contexts, for example), or a
- * glyph can be a <firstterm>ligature</firstterm> of multiple
- * characters. Cairo doesn't expose any way of converting input text
- * into glyphs, so in order to use the Cairo interfaces that take
- * arrays of glyphs, you must directly access the appropriate
- * underlying font system.
- *
- * Note that the offsets given by @x and @y are not cumulative. When
- * drawing or measuring text, each glyph is individually positioned
- * with respect to the overall origin
- **/
-typedef struct {
- unsigned long index;
- double x;
- double y;
-} cairo_glyph_t;
-
-cairo_public cairo_glyph_t *
-cairo_glyph_allocate (int num_glyphs);
-
-cairo_public void
-cairo_glyph_free (cairo_glyph_t *glyphs);
-
-/**
- * cairo_text_cluster_t:
- * @num_bytes: the number of bytes of UTF-8 text covered by cluster
- * @num_glyphs: the number of glyphs covered by cluster
- *
- * The #cairo_text_cluster_t structure holds information about a single
- * <firstterm>text cluster</firstterm>. A text cluster is a minimal
- * mapping of some glyphs corresponding to some UTF-8 text.
- *
- * For a cluster to be valid, both @num_bytes and @num_glyphs should
- * be non-negative, and at least one should be non-zero.
- * Note that clusters with zero glyphs are not as well supported as
- * normal clusters. For example, PDF rendering applications typically
- * ignore those clusters when PDF text is being selected.
- *
- * See cairo_show_text_glyphs() for how clusters are used in advanced
- * text operations.
- *
- * Since: 1.8
- **/
-typedef struct {
- int num_bytes;
- int num_glyphs;
-} cairo_text_cluster_t;
-
-cairo_public cairo_text_cluster_t *
-cairo_text_cluster_allocate (int num_clusters);
-
-cairo_public void
-cairo_text_cluster_free (cairo_text_cluster_t *clusters);
-
-/**
- * cairo_text_cluster_flags_t:
- * @CAIRO_TEXT_CLUSTER_FLAG_BACKWARD: The clusters in the cluster array
- * map to glyphs in the glyph array from end to start.
- *
- * Specifies properties of a text cluster mapping.
- *
- * Since: 1.8
- **/
-typedef enum _cairo_text_cluster_flags {
- CAIRO_TEXT_CLUSTER_FLAG_BACKWARD = 0x00000001
-} cairo_text_cluster_flags_t;
-
-/**
- * cairo_text_extents_t:
- * @x_bearing: the horizontal distance from the origin to the
- * leftmost part of the glyphs as drawn. Positive if the
- * glyphs lie entirely to the right of the origin.
- * @y_bearing: the vertical distance from the origin to the
- * topmost part of the glyphs as drawn. Positive only if the
- * glyphs lie completely below the origin; will usually be
- * negative.
- * @width: width of the glyphs as drawn
- * @height: height of the glyphs as drawn
- * @x_advance:distance to advance in the X direction
- * after drawing these glyphs
- * @y_advance: distance to advance in the Y direction
- * after drawing these glyphs. Will typically be zero except
- * for vertical text layout as found in East-Asian languages.
- *
- * The #cairo_text_extents_t structure stores the extents of a single
- * glyph or a string of glyphs in user-space coordinates. Because text
- * extents are in user-space coordinates, they are mostly, but not
- * entirely, independent of the current transformation matrix. If you call
- * <literal>cairo_scale(cr, 2.0, 2.0)</literal>, text will
- * be drawn twice as big, but the reported text extents will not be
- * doubled. They will change slightly due to hinting (so you can't
- * assume that metrics are independent of the transformation matrix),
- * but otherwise will remain unchanged.
- **/
-typedef struct {
- double x_bearing;
- double y_bearing;
- double width;
- double height;
- double x_advance;
- double y_advance;
-} cairo_text_extents_t;
-
-/**
- * cairo_font_extents_t:
- * @ascent: the distance that the font extends above the baseline.
- * Note that this is not always exactly equal to the maximum
- * of the extents of all the glyphs in the font, but rather
- * is picked to express the font designer's intent as to
- * how the font should align with elements above it.
- * @descent: the distance that the font extends below the baseline.
- * This value is positive for typical fonts that include
- * portions below the baseline. Note that this is not always
- * exactly equal to the maximum of the extents of all the
- * glyphs in the font, but rather is picked to express the
- * font designer's intent as to how the the font should
- * align with elements below it.
- * @height: the recommended vertical distance between baselines when
- * setting consecutive lines of text with the font. This
- * is greater than @ascent+@descent by a
- * quantity known as the <firstterm>line spacing</firstterm>
- * or <firstterm>external leading</firstterm>. When space
- * is at a premium, most fonts can be set with only
- * a distance of @ascent+@descent between lines.
- * @max_x_advance: the maximum distance in the X direction that
- * the the origin is advanced for any glyph in the font.
- * @max_y_advance: the maximum distance in the Y direction that
- * the the origin is advanced for any glyph in the font.
- * this will be zero for normal fonts used for horizontal
- * writing. (The scripts of East Asia are sometimes written
- * vertically.)
- *
- * The #cairo_font_extents_t structure stores metric information for
- * a font. Values are given in the current user-space coordinate
- * system.
- *
- * Because font metrics are in user-space coordinates, they are
- * mostly, but not entirely, independent of the current transformation
- * matrix. If you call <literal>cairo_scale(cr, 2.0, 2.0)</literal>,
- * text will be drawn twice as big, but the reported text extents will
- * not be doubled. They will change slightly due to hinting (so you
- * can't assume that metrics are independent of the transformation
- * matrix), but otherwise will remain unchanged.
- **/
-typedef struct {
- double ascent;
- double descent;
- double height;
- double max_x_advance;
- double max_y_advance;
-} cairo_font_extents_t;
-
-/**
- * cairo_font_slant_t:
- * @CAIRO_FONT_SLANT_NORMAL: Upright font style
- * @CAIRO_FONT_SLANT_ITALIC: Italic font style
- * @CAIRO_FONT_SLANT_OBLIQUE: Oblique font style
- *
- * Specifies variants of a font face based on their slant.
- **/
-typedef enum _cairo_font_slant {
- CAIRO_FONT_SLANT_NORMAL,
- CAIRO_FONT_SLANT_ITALIC,
- CAIRO_FONT_SLANT_OBLIQUE
-} cairo_font_slant_t;
-
-/**
- * cairo_font_weight_t:
- * @CAIRO_FONT_WEIGHT_NORMAL: Normal font weight
- * @CAIRO_FONT_WEIGHT_BOLD: Bold font weight
- *
- * Specifies variants of a font face based on their weight.
- **/
-typedef enum _cairo_font_weight {
- CAIRO_FONT_WEIGHT_NORMAL,
- CAIRO_FONT_WEIGHT_BOLD
-} cairo_font_weight_t;
-
-/**
- * cairo_subpixel_order_t:
- * @CAIRO_SUBPIXEL_ORDER_DEFAULT: Use the default subpixel order for
- * for the target device
- * @CAIRO_SUBPIXEL_ORDER_RGB: Subpixel elements are arranged horizontally
- * with red at the left
- * @CAIRO_SUBPIXEL_ORDER_BGR: Subpixel elements are arranged horizontally
- * with blue at the left
- * @CAIRO_SUBPIXEL_ORDER_VRGB: Subpixel elements are arranged vertically
- * with red at the top
- * @CAIRO_SUBPIXEL_ORDER_VBGR: Subpixel elements are arranged vertically
- * with blue at the top
- *
- * The subpixel order specifies the order of color elements within
- * each pixel on the display device when rendering with an
- * antialiasing mode of %CAIRO_ANTIALIAS_SUBPIXEL.
- **/
-typedef enum _cairo_subpixel_order {
- CAIRO_SUBPIXEL_ORDER_DEFAULT,
- CAIRO_SUBPIXEL_ORDER_RGB,
- CAIRO_SUBPIXEL_ORDER_BGR,
- CAIRO_SUBPIXEL_ORDER_VRGB,
- CAIRO_SUBPIXEL_ORDER_VBGR
-} cairo_subpixel_order_t;
-
-/**
- * cairo_hint_style_t:
- * @CAIRO_HINT_STYLE_DEFAULT: Use the default hint style for
- * font backend and target device
- * @CAIRO_HINT_STYLE_NONE: Do not hint outlines
- * @CAIRO_HINT_STYLE_SLIGHT: Hint outlines slightly to improve
- * contrast while retaining good fidelity to the original
- * shapes.
- * @CAIRO_HINT_STYLE_MEDIUM: Hint outlines with medium strength
- * giving a compromise between fidelity to the original shapes
- * and contrast
- * @CAIRO_HINT_STYLE_FULL: Hint outlines to maximize contrast
- *
- * Specifies the type of hinting to do on font outlines. Hinting
- * is the process of fitting outlines to the pixel grid in order
- * to improve the appearance of the result. Since hinting outlines
- * involves distorting them, it also reduces the faithfulness
- * to the original outline shapes. Not all of the outline hinting
- * styles are supported by all font backends.
- *
- * New entries may be added in future versions.
- **/
-typedef enum _cairo_hint_style {
- CAIRO_HINT_STYLE_DEFAULT,
- CAIRO_HINT_STYLE_NONE,
- CAIRO_HINT_STYLE_SLIGHT,
- CAIRO_HINT_STYLE_MEDIUM,
- CAIRO_HINT_STYLE_FULL
-} cairo_hint_style_t;
-
-/**
- * cairo_hint_metrics_t:
- * @CAIRO_HINT_METRICS_DEFAULT: Hint metrics in the default
- * manner for the font backend and target device
- * @CAIRO_HINT_METRICS_OFF: Do not hint font metrics
- * @CAIRO_HINT_METRICS_ON: Hint font metrics
- *
- * Specifies whether to hint font metrics; hinting font metrics
- * means quantizing them so that they are integer values in
- * device space. Doing this improves the consistency of
- * letter and line spacing, however it also means that text
- * will be laid out differently at different zoom factors.
- **/
-typedef enum _cairo_hint_metrics {
- CAIRO_HINT_METRICS_DEFAULT,
- CAIRO_HINT_METRICS_OFF,
- CAIRO_HINT_METRICS_ON
-} cairo_hint_metrics_t;
-
-/**
- * cairo_font_options_t:
- *
- * An opaque structure holding all options that are used when
- * rendering fonts.
- *
- * Individual features of a #cairo_font_options_t can be set or
- * accessed using functions named
- * cairo_font_options_set_<emphasis>feature_name</emphasis> and
- * cairo_font_options_get_<emphasis>feature_name</emphasis>, like
- * cairo_font_options_set_antialias() and
- * cairo_font_options_get_antialias().
- *
- * New features may be added to a #cairo_font_options_t in the
- * future. For this reason, cairo_font_options_copy(),
- * cairo_font_options_equal(), cairo_font_options_merge(), and
- * cairo_font_options_hash() should be used to copy, check
- * for equality, merge, or compute a hash value of
- * #cairo_font_options_t objects.
- **/
-typedef struct _cairo_font_options cairo_font_options_t;
-
-cairo_public cairo_font_options_t *
-cairo_font_options_create (void);
-
-cairo_public cairo_font_options_t *
-cairo_font_options_copy (const cairo_font_options_t *original);
-
-cairo_public void
-cairo_font_options_destroy (cairo_font_options_t *options);
-
-cairo_public cairo_status_t
-cairo_font_options_status (cairo_font_options_t *options);
-
-cairo_public void
-cairo_font_options_merge (cairo_font_options_t *options,
- const cairo_font_options_t *other);
-cairo_public cairo_bool_t
-cairo_font_options_equal (const cairo_font_options_t *options,
- const cairo_font_options_t *other);
-
-cairo_public unsigned long
-cairo_font_options_hash (const cairo_font_options_t *options);
-
-cairo_public void
-cairo_font_options_set_antialias (cairo_font_options_t *options,
- cairo_antialias_t antialias);
-cairo_public cairo_antialias_t
-cairo_font_options_get_antialias (const cairo_font_options_t *options);
-
-cairo_public void
-cairo_font_options_set_subpixel_order (cairo_font_options_t *options,
- cairo_subpixel_order_t subpixel_order);
-cairo_public cairo_subpixel_order_t
-cairo_font_options_get_subpixel_order (const cairo_font_options_t *options);
-
-cairo_public void
-cairo_font_options_set_hint_style (cairo_font_options_t *options,
- cairo_hint_style_t hint_style);
-cairo_public cairo_hint_style_t
-cairo_font_options_get_hint_style (const cairo_font_options_t *options);
-
-cairo_public void
-cairo_font_options_set_hint_metrics (cairo_font_options_t *options,
- cairo_hint_metrics_t hint_metrics);
-cairo_public cairo_hint_metrics_t
-cairo_font_options_get_hint_metrics (const cairo_font_options_t *options);
-
-/* This interface is for dealing with text as text, not caring about the
- font object inside the the cairo_t. */
-
-cairo_public void
-cairo_select_font_face (cairo_t *cr,
- const char *family,
- cairo_font_slant_t slant,
- cairo_font_weight_t weight);
-
-cairo_public void
-cairo_set_font_size (cairo_t *cr, double size);
-
-cairo_public void
-cairo_set_font_matrix (cairo_t *cr,
- const cairo_matrix_t *matrix);
-
-cairo_public void
-cairo_get_font_matrix (cairo_t *cr,
- cairo_matrix_t *matrix);
-
-cairo_public void
-cairo_set_font_options (cairo_t *cr,
- const cairo_font_options_t *options);
-
-cairo_public void
-cairo_get_font_options (cairo_t *cr,
- cairo_font_options_t *options);
-
-cairo_public void
-cairo_set_font_face (cairo_t *cr, cairo_font_face_t *font_face);
-
-cairo_public cairo_font_face_t *
-cairo_get_font_face (cairo_t *cr);
-
-cairo_public void
-cairo_set_scaled_font (cairo_t *cr,
- const cairo_scaled_font_t *scaled_font);
-
-cairo_public cairo_scaled_font_t *
-cairo_get_scaled_font (cairo_t *cr);
-
-cairo_public void
-cairo_show_text (cairo_t *cr, const char *utf8);
-
-cairo_public void
-cairo_show_glyphs (cairo_t *cr, const cairo_glyph_t *glyphs, int num_glyphs);
-
-cairo_public void
-cairo_show_text_glyphs (cairo_t *cr,
- const char *utf8,
- int utf8_len,
- const cairo_glyph_t *glyphs,
- int num_glyphs,
- const cairo_text_cluster_t *clusters,
- int num_clusters,
- cairo_text_cluster_flags_t cluster_flags);
-
-cairo_public void
-cairo_text_path (cairo_t *cr, const char *utf8);
-
-cairo_public void
-cairo_glyph_path (cairo_t *cr, const cairo_glyph_t *glyphs, int num_glyphs);
-
-cairo_public void
-cairo_text_extents (cairo_t *cr,
- const char *utf8,
- cairo_text_extents_t *extents);
-
-cairo_public void
-cairo_glyph_extents (cairo_t *cr,
- const cairo_glyph_t *glyphs,
- int num_glyphs,
- cairo_text_extents_t *extents);
-
-cairo_public void
-cairo_font_extents (cairo_t *cr,
- cairo_font_extents_t *extents);
-
-/* Generic identifier for a font style */
-
-cairo_public cairo_font_face_t *
-cairo_font_face_reference (cairo_font_face_t *font_face);
-
-cairo_public void
-cairo_font_face_destroy (cairo_font_face_t *font_face);
-
-cairo_public unsigned int
-cairo_font_face_get_reference_count (cairo_font_face_t *font_face);
-
-cairo_public cairo_status_t
-cairo_font_face_status (cairo_font_face_t *font_face);
-
-
-/**
- * cairo_font_type_t:
- * @CAIRO_FONT_TYPE_TOY: The font was created using cairo's toy font api
- * @CAIRO_FONT_TYPE_FT: The font is of type FreeType
- * @CAIRO_FONT_TYPE_WIN32: The font is of type Win32
- * @CAIRO_FONT_TYPE_QUARTZ: The font is of type Quartz (Since: 1.6)
- * @CAIRO_FONT_TYPE_USER: The font was create using cairo's user font api (Since: 1.8)
- *
- * #cairo_font_type_t is used to describe the type of a given font
- * face or scaled font. The font types are also known as "font
- * backends" within cairo.
- *
- * The type of a font face is determined by the function used to
- * create it, which will generally be of the form
- * cairo_<emphasis>type</emphasis>_font_face_create(). The font face type can be queried
- * with cairo_font_face_get_type()
- *
- * The various #cairo_font_face_t functions can be used with a font face
- * of any type.
- *
- * The type of a scaled font is determined by the type of the font
- * face passed to cairo_scaled_font_create(). The scaled font type can
- * be queried with cairo_scaled_font_get_type()
- *
- * The various #cairo_scaled_font_t functions can be used with scaled
- * fonts of any type, but some font backends also provide
- * type-specific functions that must only be called with a scaled font
- * of the appropriate type. These functions have names that begin with
- * cairo_<emphasis>type</emphasis>_scaled_font() such as cairo_ft_scaled_font_lock_face().
- *
- * The behavior of calling a type-specific function with a scaled font
- * of the wrong type is undefined.
- *
- * New entries may be added in future versions.
- *
- * Since: 1.2
- **/
-typedef enum _cairo_font_type {
- CAIRO_FONT_TYPE_TOY,
- CAIRO_FONT_TYPE_FT,
- CAIRO_FONT_TYPE_WIN32,
- CAIRO_FONT_TYPE_QUARTZ,
- CAIRO_FONT_TYPE_USER
-} cairo_font_type_t;
-
-cairo_public cairo_font_type_t
-cairo_font_face_get_type (cairo_font_face_t *font_face);
-
-cairo_public void *
-cairo_font_face_get_user_data (cairo_font_face_t *font_face,
- const cairo_user_data_key_t *key);
-
-cairo_public cairo_status_t
-cairo_font_face_set_user_data (cairo_font_face_t *font_face,
- const cairo_user_data_key_t *key,
- void *user_data,
- cairo_destroy_func_t destroy);
-
-/* Portable interface to general font features. */
-
-cairo_public cairo_scaled_font_t *
-cairo_scaled_font_create (cairo_font_face_t *font_face,
- const cairo_matrix_t *font_matrix,
- const cairo_matrix_t *ctm,
- const cairo_font_options_t *options);
-
-cairo_public cairo_scaled_font_t *
-cairo_scaled_font_reference (cairo_scaled_font_t *scaled_font);
-
-cairo_public void
-cairo_scaled_font_destroy (cairo_scaled_font_t *scaled_font);
-
-cairo_public unsigned int
-cairo_scaled_font_get_reference_count (cairo_scaled_font_t *scaled_font);
-
-cairo_public cairo_status_t
-cairo_scaled_font_status (cairo_scaled_font_t *scaled_font);
-
-cairo_public cairo_font_type_t
-cairo_scaled_font_get_type (cairo_scaled_font_t *scaled_font);
-
-cairo_public void *
-cairo_scaled_font_get_user_data (cairo_scaled_font_t *scaled_font,
- const cairo_user_data_key_t *key);
-
-cairo_public cairo_status_t
-cairo_scaled_font_set_user_data (cairo_scaled_font_t *scaled_font,
- const cairo_user_data_key_t *key,
- void *user_data,
- cairo_destroy_func_t destroy);
-
-cairo_public void
-cairo_scaled_font_extents (cairo_scaled_font_t *scaled_font,
- cairo_font_extents_t *extents);
-
-cairo_public void
-cairo_scaled_font_text_extents (cairo_scaled_font_t *scaled_font,
- const char *utf8,
- cairo_text_extents_t *extents);
-
-cairo_public void
-cairo_scaled_font_glyph_extents (cairo_scaled_font_t *scaled_font,
- const cairo_glyph_t *glyphs,
- int num_glyphs,
- cairo_text_extents_t *extents);
-
-cairo_public cairo_status_t
-cairo_scaled_font_text_to_glyphs (cairo_scaled_font_t *scaled_font,
- double x,
- double y,
- const char *utf8,
- int utf8_len,
- cairo_glyph_t **glyphs,
- int *num_glyphs,
- cairo_text_cluster_t **clusters,
- int *num_clusters,
- cairo_text_cluster_flags_t *cluster_flags);
-
-cairo_public cairo_font_face_t *
-cairo_scaled_font_get_font_face (cairo_scaled_font_t *scaled_font);
-
-cairo_public void
-cairo_scaled_font_get_font_matrix (cairo_scaled_font_t *scaled_font,
- cairo_matrix_t *font_matrix);
-
-cairo_public void
-cairo_scaled_font_get_ctm (cairo_scaled_font_t *scaled_font,
- cairo_matrix_t *ctm);
-
-cairo_public void
-cairo_scaled_font_get_scale_matrix (cairo_scaled_font_t *scaled_font,
- cairo_matrix_t *scale_matrix);
-
-cairo_public void
-cairo_scaled_font_get_font_options (cairo_scaled_font_t *scaled_font,
- cairo_font_options_t *options);
-
-
-/* Toy fonts */
-
-cairo_public cairo_font_face_t *
-cairo_toy_font_face_create (const char *family,
- cairo_font_slant_t slant,
- cairo_font_weight_t weight);
-
-cairo_public const char *
-cairo_toy_font_face_get_family (cairo_font_face_t *font_face);
-
-cairo_public cairo_font_slant_t
-cairo_toy_font_face_get_slant (cairo_font_face_t *font_face);
-
-cairo_public cairo_font_weight_t
-cairo_toy_font_face_get_weight (cairo_font_face_t *font_face);
-
-
-/* User fonts */
-
-cairo_public cairo_font_face_t *
-cairo_user_font_face_create (void);
-
-/* User-font method signatures */
-
-/**
- * cairo_user_scaled_font_init_func_t:
- * @scaled_font: the scaled-font being created
- * @cr: a cairo context, in font space
- * @extents: font extents to fill in, in font space
- *
- * #cairo_user_scaled_font_init_func_t is the type of function which is
- * called when a scaled-font needs to be created for a user font-face.
- *
- * The cairo context @cr is not used by the caller, but is prepared in font
- * space, similar to what the cairo contexts passed to the render_glyph
- * method will look like. The callback can use this context for extents
- * computation for example. After the callback is called, @cr is checked
- * for any error status.
- *
- * The @extents argument is where the user font sets the font extents for
- * @scaled_font. It is in font space, which means that for most cases its
- * ascent and descent members should add to 1.0. @extents is preset to
- * hold a value of 1.0 for ascent, height, and max_x_advance, and 0.0 for
- * descent and max_y_advance members.
- *
- * The callback is optional. If not set, default font extents as described
- * in the previous paragraph will be used.
- *
- * Note that @scaled_font is not fully initialized at this
- * point and trying to use it for text operations in the callback will result
- * in deadlock.
- *
- * Returns: %CAIRO_STATUS_SUCCESS upon success, or an error status on error.
- *
- * Since: 1.8
- **/
-typedef cairo_status_t (*cairo_user_scaled_font_init_func_t) (cairo_scaled_font_t *scaled_font,
- cairo_t *cr,
- cairo_font_extents_t *extents);
-
-/**
- * cairo_user_scaled_font_render_glyph_func_t:
- * @scaled_font: user scaled-font
- * @glyph: glyph code to render
- * @cr: cairo context to draw to, in font space
- * @extents: glyph extents to fill in, in font space
- *
- * #cairo_user_scaled_font_render_glyph_func_t is the type of function which
- * is called when a user scaled-font needs to render a glyph.
- *
- * The callback is mandatory, and expected to draw the glyph with code @glyph to
- * the cairo context @cr. @cr is prepared such that the glyph drawing is done in
- * font space. That is, the matrix set on @cr is the scale matrix of @scaled_font,
- * The @extents argument is where the user font sets the font extents for
- * @scaled_font. However, if user prefers to draw in user space, they can
- * achieve that by changing the matrix on @cr. All cairo rendering operations
- * to @cr are permitted, however, the result is undefined if any source other
- * than the default source on @cr is used. That means, glyph bitmaps should
- * be rendered using cairo_mask() instead of cairo_paint().
- *
- * Other non-default settings on @cr include a font size of 1.0 (given that
- * it is set up to be in font space), and font options corresponding to
- * @scaled_font.
- *
- * The @extents argument is preset to have <literal>x_bearing</literal>,
- * <literal>width</literal>, and <literal>y_advance</literal> of zero,
- * <literal>y_bearing</literal> set to <literal>-font_extents.ascent</literal>,
- * <literal>height</literal> to <literal>font_extents.ascent+font_extents.descent</literal>,
- * and <literal>x_advance</literal> to <literal>font_extents.max_x_advance</literal>.
- * The only field user needs to set in majority of cases is
- * <literal>x_advance</literal>.
- * If the <literal>width</literal> field is zero upon the callback returning
- * (which is its preset value), the glyph extents are automatically computed
- * based on the drawings done to @cr. This is in most cases exactly what the
- * desired behavior is. However, if for any reason the callback sets the
- * extents, it must be ink extents, and include the extents of all drawing
- * done to @cr in the callback.
- *
- * Returns: %CAIRO_STATUS_SUCCESS upon success, or
- * %CAIRO_STATUS_USER_FONT_ERROR or any other error status on error.
- *
- * Since: 1.8
- **/
-typedef cairo_status_t (*cairo_user_scaled_font_render_glyph_func_t) (cairo_scaled_font_t *scaled_font,
- unsigned long glyph,
- cairo_t *cr,
- cairo_text_extents_t *extents);
-
-/**
- * cairo_user_scaled_font_text_to_glyphs_func_t:
- * @scaled_font: the scaled-font being created
- * @utf8: a string of text encoded in UTF-8
- * @utf8_len: length of @utf8 in bytes
- * @glyphs: pointer to array of glyphs to fill, in font space
- * @num_glyphs: pointer to number of glyphs
- * @clusters: pointer to array of cluster mapping information to fill, or %NULL
- * @num_clusters: pointer to number of clusters
- * @cluster_flags: pointer to location to store cluster flags corresponding to the
- * output @clusters
- *
- * #cairo_user_scaled_font_text_to_glyphs_func_t is the type of function which
- * is called to convert input text to an array of glyphs. This is used by the
- * cairo_show_text() operation.
- *
- * Using this callback the user-font has full control on glyphs and their
- * positions. That means, it allows for features like ligatures and kerning,
- * as well as complex <firstterm>shaping</firstterm> required for scripts like
- * Arabic and Indic.
- *
- * The @num_glyphs argument is preset to the number of glyph entries available
- * in the @glyphs buffer. If the @glyphs buffer is %NULL, the value of
- * @num_glyphs will be zero. If the provided glyph array is too short for
- * the conversion (or for convenience), a new glyph array may be allocated
- * using cairo_glyph_allocate() and placed in @glyphs. Upon return,
- * @num_glyphs should contain the number of generated glyphs. If the value
- * @glyphs points at has changed after the call, the caller will free the
- * allocated glyph array using cairo_glyph_free().
- * The callback should populate the glyph indices and positions (in font space)
- * assuming that the text is to be shown at the origin.
- *
- * If @clusters is not %NULL, @num_clusters and @cluster_flags are also
- * non-%NULL, and cluster mapping should be computed. The semantics of how
- * cluster array allocation works is similar to the glyph array. That is,
- * if @clusters initially points to a non-%NULL value, that array may be used
- * as a cluster buffer, and @num_clusters points to the number of cluster
- * entries available there. If the provided cluster array is too short for
- * the conversion (or for convenience), a new cluster array may be allocated
- * using cairo_text_cluster_allocate() and placed in @clusters. Upon return,
- * @num_clusters should contain the number of generated clusters.
- * If the value @clusters points at has changed after the call, the caller
- * will free the allocated cluster array using cairo_text_cluster_free().
- *
- * The callback is optional. If @num_glyphs is negative upon
- * the callback returning or if the return value
- * is %CAIRO_STATUS_USER_FONT_NOT_IMPLEMENTED, the unicode_to_glyph callback
- * is tried. See #cairo_user_scaled_font_unicode_to_glyph_func_t.
- *
- * Note: While cairo does not impose any limitation on glyph indices,
- * some applications may assume that a glyph index fits in a 16-bit
- * unsigned integer. As such, it is advised that user-fonts keep their
- * glyphs in the 0 to 65535 range. Furthermore, some applications may
- * assume that glyph 0 is a special glyph-not-found glyph. User-fonts
- * are advised to use glyph 0 for such purposes and do not use that
- * glyph value for other purposes.
- *
- * Returns: %CAIRO_STATUS_SUCCESS upon success,
- * %CAIRO_STATUS_USER_FONT_NOT_IMPLEMENTED if fallback options should be tried,
- * or %CAIRO_STATUS_USER_FONT_ERROR or any other error status on error.
- *
- * Since: 1.8
- **/
-typedef cairo_status_t (*cairo_user_scaled_font_text_to_glyphs_func_t) (cairo_scaled_font_t *scaled_font,
- const char *utf8,
- int utf8_len,
- cairo_glyph_t **glyphs,
- int *num_glyphs,
- cairo_text_cluster_t **clusters,
- int *num_clusters,
- cairo_text_cluster_flags_t *cluster_flags);
-
-/**
- * cairo_user_scaled_font_unicode_to_glyph_func_t:
- * @scaled_font: the scaled-font being created
- * @unicode: input unicode character code-point
- * @glyph_index: output glyph index
- *
- * #cairo_user_scaled_font_unicode_to_glyph_func_t is the type of function which
- * is called to convert an input Unicode character to a single glyph.
- * This is used by the cairo_show_text() operation.
- *
- * This callback is used to provide the same functionality as the
- * text_to_glyphs callback does (see #cairo_user_scaled_font_text_to_glyphs_func_t)
- * but has much less control on the output,
- * in exchange for increased ease of use. The inherent assumption to using
- * this callback is that each character maps to one glyph, and that the
- * mapping is context independent. It also assumes that glyphs are positioned
- * according to their advance width. These mean no ligatures, kerning, or
- * complex scripts can be implemented using this callback.
- *
- * The callback is optional, and only used if text_to_glyphs callback is not
- * set or fails to return glyphs. If this callback is not set or if it returns
- * %CAIRO_STATUS_USER_FONT_NOT_IMPLEMENTED, an identity mapping from Unicode
- * code-points to glyph indices is assumed.
- *
- * Note: While cairo does not impose any limitation on glyph indices,
- * some applications may assume that a glyph index fits in a 16-bit
- * unsigned integer. As such, it is advised that user-fonts keep their
- * glyphs in the 0 to 65535 range. Furthermore, some applications may
- * assume that glyph 0 is a special glyph-not-found glyph. User-fonts
- * are advised to use glyph 0 for such purposes and do not use that
- * glyph value for other purposes.
- *
- * Returns: %CAIRO_STATUS_SUCCESS upon success,
- * %CAIRO_STATUS_USER_FONT_NOT_IMPLEMENTED if fallback options should be tried,
- * or %CAIRO_STATUS_USER_FONT_ERROR or any other error status on error.
- *
- * Since: 1.8
- **/
-typedef cairo_status_t (*cairo_user_scaled_font_unicode_to_glyph_func_t) (cairo_scaled_font_t *scaled_font,
- unsigned long unicode,
- unsigned long *glyph_index);
-
-/* User-font method setters */
-
-cairo_public void
-cairo_user_font_face_set_init_func (cairo_font_face_t *font_face,
- cairo_user_scaled_font_init_func_t init_func);
-
-cairo_public void
-cairo_user_font_face_set_render_glyph_func (cairo_font_face_t *font_face,
- cairo_user_scaled_font_render_glyph_func_t render_glyph_func);
-
-cairo_public void
-cairo_user_font_face_set_text_to_glyphs_func (cairo_font_face_t *font_face,
- cairo_user_scaled_font_text_to_glyphs_func_t text_to_glyphs_func);
-
-cairo_public void
-cairo_user_font_face_set_unicode_to_glyph_func (cairo_font_face_t *font_face,
- cairo_user_scaled_font_unicode_to_glyph_func_t unicode_to_glyph_func);
-
-/* User-font method getters */
-
-cairo_public cairo_user_scaled_font_init_func_t
-cairo_user_font_face_get_init_func (cairo_font_face_t *font_face);
-
-cairo_public cairo_user_scaled_font_render_glyph_func_t
-cairo_user_font_face_get_render_glyph_func (cairo_font_face_t *font_face);
-
-cairo_public cairo_user_scaled_font_text_to_glyphs_func_t
-cairo_user_font_face_get_text_to_glyphs_func (cairo_font_face_t *font_face);
-
-cairo_public cairo_user_scaled_font_unicode_to_glyph_func_t
-cairo_user_font_face_get_unicode_to_glyph_func (cairo_font_face_t *font_face);
-
-
-/* Query functions */
-
-cairo_public cairo_operator_t
-cairo_get_operator (cairo_t *cr);
-
-cairo_public cairo_pattern_t *
-cairo_get_source (cairo_t *cr);
-
-cairo_public double
-cairo_get_tolerance (cairo_t *cr);
-
-cairo_public cairo_antialias_t
-cairo_get_antialias (cairo_t *cr);
-
-cairo_public cairo_bool_t
-cairo_has_current_point (cairo_t *cr);
-
-cairo_public void
-cairo_get_current_point (cairo_t *cr, double *x, double *y);
-
-cairo_public cairo_fill_rule_t
-cairo_get_fill_rule (cairo_t *cr);
-
-cairo_public double
-cairo_get_line_width (cairo_t *cr);
-
-cairo_public cairo_line_cap_t
-cairo_get_line_cap (cairo_t *cr);
-
-cairo_public cairo_line_join_t
-cairo_get_line_join (cairo_t *cr);
-
-cairo_public double
-cairo_get_miter_limit (cairo_t *cr);
-
-cairo_public int
-cairo_get_dash_count (cairo_t *cr);
-
-cairo_public void
-cairo_get_dash (cairo_t *cr, double *dashes, double *offset);
-
-cairo_public void
-cairo_get_matrix (cairo_t *cr, cairo_matrix_t *matrix);
-
-cairo_public cairo_surface_t *
-cairo_get_target (cairo_t *cr);
-
-cairo_public cairo_surface_t *
-cairo_get_group_target (cairo_t *cr);
-
-/**
- * cairo_path_data_type_t:
- * @CAIRO_PATH_MOVE_TO: A move-to operation
- * @CAIRO_PATH_LINE_TO: A line-to operation
- * @CAIRO_PATH_CURVE_TO: A curve-to operation
- * @CAIRO_PATH_CLOSE_PATH: A close-path operation
- *
- * #cairo_path_data_t is used to describe the type of one portion
- * of a path when represented as a #cairo_path_t.
- * See #cairo_path_data_t for details.
- **/
-typedef enum _cairo_path_data_type {
- CAIRO_PATH_MOVE_TO,
- CAIRO_PATH_LINE_TO,
- CAIRO_PATH_CURVE_TO,
- CAIRO_PATH_CLOSE_PATH
-} cairo_path_data_type_t;
-
-/**
- * cairo_path_data_t:
- *
- * #cairo_path_data_t is used to represent the path data inside a
- * #cairo_path_t.
- *
- * The data structure is designed to try to balance the demands of
- * efficiency and ease-of-use. A path is represented as an array of
- * #cairo_path_data_t, which is a union of headers and points.
- *
- * Each portion of the path is represented by one or more elements in
- * the array, (one header followed by 0 or more points). The length
- * value of the header is the number of array elements for the current
- * portion including the header, (ie. length == 1 + # of points), and
- * where the number of points for each element type is as follows:
- *
- * <programlisting>
- * %CAIRO_PATH_MOVE_TO: 1 point
- * %CAIRO_PATH_LINE_TO: 1 point
- * %CAIRO_PATH_CURVE_TO: 3 points
- * %CAIRO_PATH_CLOSE_PATH: 0 points
- * </programlisting>
- *
- * The semantics and ordering of the coordinate values are consistent
- * with cairo_move_to(), cairo_line_to(), cairo_curve_to(), and
- * cairo_close_path().
- *
- * Here is sample code for iterating through a #cairo_path_t:
- *
- * <informalexample><programlisting>
- * int i;
- * cairo_path_t *path;
- * cairo_path_data_t *data;
- *
- * path = cairo_copy_path (cr);
- *
- * for (i=0; i < path->num_data; i += path->data[i].header.length) {
- * data = &path->data[i];
- * switch (data->header.type) {
- * case CAIRO_PATH_MOVE_TO:
- * do_move_to_things (data[1].point.x, data[1].point.y);
- * break;
- * case CAIRO_PATH_LINE_TO:
- * do_line_to_things (data[1].point.x, data[1].point.y);
- * break;
- * case CAIRO_PATH_CURVE_TO:
- * do_curve_to_things (data[1].point.x, data[1].point.y,
- * data[2].point.x, data[2].point.y,
- * data[3].point.x, data[3].point.y);
- * break;
- * case CAIRO_PATH_CLOSE_PATH:
- * do_close_path_things ();
- * break;
- * }
- * }
- * cairo_path_destroy (path);
- * </programlisting></informalexample>
- *
- * As of cairo 1.4, cairo does not mind if there are more elements in
- * a portion of the path than needed. Such elements can be used by
- * users of the cairo API to hold extra values in the path data
- * structure. For this reason, it is recommended that applications
- * always use <literal>data->header.length</literal> to
- * iterate over the path data, instead of hardcoding the number of
- * elements for each element type.
- **/
-typedef union _cairo_path_data_t cairo_path_data_t;
-union _cairo_path_data_t {
- struct {
- cairo_path_data_type_t type;
- int length;
- } header;
- struct {
- double x, y;
- } point;
-};
-
-/**
- * cairo_path_t:
- * @status: the current error status
- * @data: the elements in the path
- * @num_data: the number of elements in the data array
- *
- * A data structure for holding a path. This data structure serves as
- * the return value for cairo_copy_path() and
- * cairo_copy_path_flat() as well the input value for
- * cairo_append_path().
- *
- * See #cairo_path_data_t for hints on how to iterate over the
- * actual data within the path.
- *
- * The num_data member gives the number of elements in the data
- * array. This number is larger than the number of independent path
- * portions (defined in #cairo_path_data_type_t), since the data
- * includes both headers and coordinates for each portion.
- **/
-typedef struct cairo_path {
- cairo_status_t status;
- cairo_path_data_t *data;
- int num_data;
-} cairo_path_t;
-
-cairo_public cairo_path_t *
-cairo_copy_path (cairo_t *cr);
-
-cairo_public cairo_path_t *
-cairo_copy_path_flat (cairo_t *cr);
-
-cairo_public void
-cairo_append_path (cairo_t *cr,
- const cairo_path_t *path);
-
-cairo_public void
-cairo_path_destroy (cairo_path_t *path);
-
-/* Error status queries */
-
-cairo_public cairo_status_t
-cairo_status (cairo_t *cr);
-
-cairo_public const char *
-cairo_status_to_string (cairo_status_t status);
-
-/* Backend device manipulation */
-
-cairo_public cairo_device_t *
-cairo_device_reference (cairo_device_t *device);
-
-/**
- * cairo_device_type_t:
- * @CAIRO_DEVICE_TYPE_DRM: The surface is of type Direct Render Manager
- * @CAIRO_DEVICE_TYPE_GL: The surface is of type OpenGL
- * @CAIRO_DEVICE_TYPE_SCRIPT: The surface is of type script
- * @CAIRO_DEVICE_TYPE_XCB: The surface is of type xcb
- * @CAIRO_DEVICE_TYPE_XLIB: The surface is of type xlib
- * @CAIRO_DEVICE_TYPE_XML: The surface is of type XML
- * cairo_surface_create_for_rectangle()
- *
- * #cairo_device_type_t is used to describe the type of a given
- * device. The devices types are also known as "backends" within cairo.
- *
- * The device type can be queried with cairo_device_get_type()
- *
- * The various #cairo_device_t functions can be used with surfaces of
- * any type, but some backends also provide type-specific functions
- * that must only be called with a device of the appropriate
- * type. These functions have names that begin with
- * cairo_<emphasis>type</emphasis>_device<!-- --> such as cairo_xcb_device_debug_set_render_version().
- *
- * The behavior of calling a type-specific function with a surface of
- * the wrong type is undefined.
- *
- * New entries may be added in future versions.
- *
- * Since: 1.10
- **/
-typedef enum _cairo_device_type {
- CAIRO_DEVICE_TYPE_DRM,
- CAIRO_DEVICE_TYPE_GL,
- CAIRO_DEVICE_TYPE_SCRIPT,
- CAIRO_DEVICE_TYPE_XCB,
- CAIRO_DEVICE_TYPE_XLIB,
- CAIRO_DEVICE_TYPE_XML
-} cairo_device_type_t;
-
-cairo_public cairo_device_type_t
-cairo_device_get_type (cairo_device_t *device);
-
-cairo_public cairo_status_t
-cairo_device_status (cairo_device_t *device);
-
-cairo_public cairo_status_t
-cairo_device_acquire (cairo_device_t *device);
-
-cairo_public void
-cairo_device_release (cairo_device_t *device);
-
-cairo_public void
-cairo_device_flush (cairo_device_t *device);
-
-cairo_public void
-cairo_device_finish (cairo_device_t *device);
-
-cairo_public void
-cairo_device_destroy (cairo_device_t *device);
-
-cairo_public unsigned int
-cairo_device_get_reference_count (cairo_device_t *device);
-
-cairo_public void *
-cairo_device_get_user_data (cairo_device_t *device,
- const cairo_user_data_key_t *key);
-
-cairo_public cairo_status_t
-cairo_device_set_user_data (cairo_device_t *device,
- const cairo_user_data_key_t *key,
- void *user_data,
- cairo_destroy_func_t destroy);
-
-
-/* Surface manipulation */
-
-cairo_public cairo_surface_t *
-cairo_surface_create_similar (cairo_surface_t *other,
- cairo_content_t content,
- int width,
- int height);
-
-cairo_public cairo_surface_t *
-cairo_surface_create_for_rectangle (cairo_surface_t *target,
- double x,
- double y,
- double width,
- double height);
-
-cairo_public cairo_surface_t *
-cairo_surface_reference (cairo_surface_t *surface);
-
-cairo_public void
-cairo_surface_finish (cairo_surface_t *surface);
-
-cairo_public void
-cairo_surface_destroy (cairo_surface_t *surface);
-
-cairo_public cairo_device_t *
-cairo_surface_get_device (cairo_surface_t *surface);
-
-cairo_public unsigned int
-cairo_surface_get_reference_count (cairo_surface_t *surface);
-
-cairo_public cairo_status_t
-cairo_surface_status (cairo_surface_t *surface);
-
-/**
- * cairo_surface_type_t:
- * @CAIRO_SURFACE_TYPE_IMAGE: The surface is of type image
- * @CAIRO_SURFACE_TYPE_PDF: The surface is of type pdf
- * @CAIRO_SURFACE_TYPE_PS: The surface is of type ps
- * @CAIRO_SURFACE_TYPE_XLIB: The surface is of type xlib
- * @CAIRO_SURFACE_TYPE_XCB: The surface is of type xcb
- * @CAIRO_SURFACE_TYPE_GLITZ: The surface is of type glitz
- * @CAIRO_SURFACE_TYPE_QUARTZ: The surface is of type quartz
- * @CAIRO_SURFACE_TYPE_WIN32: The surface is of type win32
- * @CAIRO_SURFACE_TYPE_BEOS: The surface is of type beos
- * @CAIRO_SURFACE_TYPE_DIRECTFB: The surface is of type directfb
- * @CAIRO_SURFACE_TYPE_SVG: The surface is of type svg
- * @CAIRO_SURFACE_TYPE_OS2: The surface is of type os2
- * @CAIRO_SURFACE_TYPE_WIN32_PRINTING: The surface is a win32 printing surface
- * @CAIRO_SURFACE_TYPE_QUARTZ_IMAGE: The surface is of type quartz_image
- * @CAIRO_SURFACE_TYPE_SCRIPT: The surface is of type script, since 1.10
- * @CAIRO_SURFACE_TYPE_QT: The surface is of type Qt, since 1.10
- * @CAIRO_SURFACE_TYPE_RECORDING: The surface is of type recording, since 1.10
- * @CAIRO_SURFACE_TYPE_VG: The surface is a OpenVG surface, since 1.10
- * @CAIRO_SURFACE_TYPE_GL: The surface is of type OpenGL, since 1.10
- * @CAIRO_SURFACE_TYPE_DRM: The surface is of type Direct Render Manager, since 1.10
- * @CAIRO_SURFACE_TYPE_TEE: The surface is of type 'tee' (a multiplexing surface), since 1.10
- * @CAIRO_SURFACE_TYPE_XML: The surface is of type XML (for debugging), since 1.10
- * @CAIRO_SURFACE_TYPE_SKIA: The surface is of type Skia, since 1.10
- * @CAIRO_SURFACE_TYPE_SUBSURFACE: The surface is a subsurface created with
- * cairo_surface_create_for_rectangle(), since 1.10
- *
- * #cairo_surface_type_t is used to describe the type of a given
- * surface. The surface types are also known as "backends" or "surface
- * backends" within cairo.
- *
- * The type of a surface is determined by the function used to create
- * it, which will generally be of the form cairo_<emphasis>type</emphasis>_surface_create(),
- * (though see cairo_surface_create_similar() as well).
- *
- * The surface type can be queried with cairo_surface_get_type()
- *
- * The various #cairo_surface_t functions can be used with surfaces of
- * any type, but some backends also provide type-specific functions
- * that must only be called with a surface of the appropriate
- * type. These functions have names that begin with
- * cairo_<emphasis>type</emphasis>_surface<!-- --> such as cairo_image_surface_get_width().
- *
- * The behavior of calling a type-specific function with a surface of
- * the wrong type is undefined.
- *
- * New entries may be added in future versions.
- *
- * Since: 1.2
- **/
-typedef enum _cairo_surface_type {
- CAIRO_SURFACE_TYPE_IMAGE,
- CAIRO_SURFACE_TYPE_PDF,
- CAIRO_SURFACE_TYPE_PS,
- CAIRO_SURFACE_TYPE_XLIB,
- CAIRO_SURFACE_TYPE_XCB,
- CAIRO_SURFACE_TYPE_GLITZ,
- CAIRO_SURFACE_TYPE_QUARTZ,
- CAIRO_SURFACE_TYPE_WIN32,
- CAIRO_SURFACE_TYPE_BEOS,
- CAIRO_SURFACE_TYPE_DIRECTFB,
- CAIRO_SURFACE_TYPE_SVG,
- CAIRO_SURFACE_TYPE_OS2,
- CAIRO_SURFACE_TYPE_WIN32_PRINTING,
- CAIRO_SURFACE_TYPE_QUARTZ_IMAGE,
- CAIRO_SURFACE_TYPE_SCRIPT,
- CAIRO_SURFACE_TYPE_QT,
- CAIRO_SURFACE_TYPE_RECORDING,
- CAIRO_SURFACE_TYPE_VG,
- CAIRO_SURFACE_TYPE_GL,
- CAIRO_SURFACE_TYPE_DRM,
- CAIRO_SURFACE_TYPE_TEE,
- CAIRO_SURFACE_TYPE_XML,
- CAIRO_SURFACE_TYPE_SKIA,
- CAIRO_SURFACE_TYPE_SUBSURFACE
-} cairo_surface_type_t;
-
-cairo_public cairo_surface_type_t
-cairo_surface_get_type (cairo_surface_t *surface);
-
-cairo_public cairo_content_t
-cairo_surface_get_content (cairo_surface_t *surface);
-
-#if CAIRO_HAS_PNG_FUNCTIONS
-
-cairo_public cairo_status_t
-cairo_surface_write_to_png (cairo_surface_t *surface,
- const char *filename);
-
-cairo_public cairo_status_t
-cairo_surface_write_to_png_stream (cairo_surface_t *surface,
- cairo_write_func_t write_func,
- void *closure);
-
-#endif
-
-cairo_public void *
-cairo_surface_get_user_data (cairo_surface_t *surface,
- const cairo_user_data_key_t *key);
-
-cairo_public cairo_status_t
-cairo_surface_set_user_data (cairo_surface_t *surface,
- const cairo_user_data_key_t *key,
- void *user_data,
- cairo_destroy_func_t destroy);
-
-#define CAIRO_MIME_TYPE_JPEG "image/jpeg"
-#define CAIRO_MIME_TYPE_PNG "image/png"
-#define CAIRO_MIME_TYPE_JP2 "image/jp2"
-#define CAIRO_MIME_TYPE_URI "text/x-uri"
-
-cairo_public void
-cairo_surface_get_mime_data (cairo_surface_t *surface,
- const char *mime_type,
- const unsigned char **data,
- unsigned long *length);
-
-cairo_public cairo_status_t
-cairo_surface_set_mime_data (cairo_surface_t *surface,
- const char *mime_type,
- const unsigned char *data,
- unsigned long length,
- cairo_destroy_func_t destroy,
- void *closure);
-
-cairo_public void
-cairo_surface_get_font_options (cairo_surface_t *surface,
- cairo_font_options_t *options);
-
-cairo_public void
-cairo_surface_flush (cairo_surface_t *surface);
-
-cairo_public void
-cairo_surface_mark_dirty (cairo_surface_t *surface);
-
-cairo_public void
-cairo_surface_mark_dirty_rectangle (cairo_surface_t *surface,
- int x,
- int y,
- int width,
- int height);
-
-cairo_public void
-cairo_surface_set_device_offset (cairo_surface_t *surface,
- double x_offset,
- double y_offset);
-
-cairo_public void
-cairo_surface_get_device_offset (cairo_surface_t *surface,
- double *x_offset,
- double *y_offset);
-
-cairo_public void
-cairo_surface_set_fallback_resolution (cairo_surface_t *surface,
- double x_pixels_per_inch,
- double y_pixels_per_inch);
-
-cairo_public void
-cairo_surface_get_fallback_resolution (cairo_surface_t *surface,
- double *x_pixels_per_inch,
- double *y_pixels_per_inch);
-
-cairo_public void
-cairo_surface_copy_page (cairo_surface_t *surface);
-
-cairo_public void
-cairo_surface_show_page (cairo_surface_t *surface);
-
-cairo_public cairo_bool_t
-cairo_surface_has_show_text_glyphs (cairo_surface_t *surface);
-
-/* Image-surface functions */
-
-/**
- * cairo_format_t:
- * @CAIRO_FORMAT_INVALID: no such format exists or is supported.
- * @CAIRO_FORMAT_ARGB32: each pixel is a 32-bit quantity, with
- * alpha in the upper 8 bits, then red, then green, then blue.
- * The 32-bit quantities are stored native-endian. Pre-multiplied
- * alpha is used. (That is, 50% transparent red is 0x80800000,
- * not 0x80ff0000.)
- * @CAIRO_FORMAT_RGB24: each pixel is a 32-bit quantity, with
- * the upper 8 bits unused. Red, Green, and Blue are stored
- * in the remaining 24 bits in that order.
- * @CAIRO_FORMAT_A8: each pixel is a 8-bit quantity holding
- * an alpha value.
- * @CAIRO_FORMAT_A1: each pixel is a 1-bit quantity holding
- * an alpha value. Pixels are packed together into 32-bit
- * quantities. The ordering of the bits matches the
- * endianess of the platform. On a big-endian machine, the
- * first pixel is in the uppermost bit, on a little-endian
- * machine the first pixel is in the least-significant bit.
- * @CAIRO_FORMAT_RGB16_565: each pixel is a 16-bit quantity
- * with red in the upper 5 bits, then green in the middle
- * 6 bits, and blue in the lower 5 bits.
- *
- * #cairo_format_t is used to identify the memory format of
- * image data.
- *
- * New entries may be added in future versions.
- **/
-typedef enum _cairo_format {
- CAIRO_FORMAT_INVALID = -1,
- CAIRO_FORMAT_ARGB32 = 0,
- CAIRO_FORMAT_RGB24 = 1,
- CAIRO_FORMAT_A8 = 2,
- CAIRO_FORMAT_A1 = 3,
- CAIRO_FORMAT_RGB16_565 = 4
-} cairo_format_t;
-
-cairo_public cairo_surface_t *
-cairo_image_surface_create (cairo_format_t format,
- int width,
- int height);
-
-cairo_public int
-cairo_format_stride_for_width (cairo_format_t format,
- int width);
-
-cairo_public cairo_surface_t *
-cairo_image_surface_create_for_data (unsigned char *data,
- cairo_format_t format,
- int width,
- int height,
- int stride);
-
-cairo_public unsigned char *
-cairo_image_surface_get_data (cairo_surface_t *surface);
-
-cairo_public cairo_format_t
-cairo_image_surface_get_format (cairo_surface_t *surface);
-
-cairo_public int
-cairo_image_surface_get_width (cairo_surface_t *surface);
-
-cairo_public int
-cairo_image_surface_get_height (cairo_surface_t *surface);
-
-cairo_public int
-cairo_image_surface_get_stride (cairo_surface_t *surface);
-
-#if CAIRO_HAS_PNG_FUNCTIONS
-
-cairo_public cairo_surface_t *
-cairo_image_surface_create_from_png (const char *filename);
-
-cairo_public cairo_surface_t *
-cairo_image_surface_create_from_png_stream (cairo_read_func_t read_func,
- void *closure);
-
-#endif
-
-/* Recording-surface functions */
-
-cairo_public cairo_surface_t *
-cairo_recording_surface_create (cairo_content_t content,
- const cairo_rectangle_t *extents);
-
-cairo_public void
-cairo_recording_surface_ink_extents (cairo_surface_t *surface,
- double *x0,
- double *y0,
- double *width,
- double *height);
-
-/* Pattern creation functions */
-
-cairo_public cairo_pattern_t *
-cairo_pattern_create_rgb (double red, double green, double blue);
-
-cairo_public cairo_pattern_t *
-cairo_pattern_create_rgba (double red, double green, double blue,
- double alpha);
-
-cairo_public cairo_pattern_t *
-cairo_pattern_create_for_surface (cairo_surface_t *surface);
-
-cairo_public cairo_pattern_t *
-cairo_pattern_create_linear (double x0, double y0,
- double x1, double y1);
-
-cairo_public cairo_pattern_t *
-cairo_pattern_create_radial (double cx0, double cy0, double radius0,
- double cx1, double cy1, double radius1);
-
-cairo_public cairo_pattern_t *
-cairo_pattern_reference (cairo_pattern_t *pattern);
-
-cairo_public void
-cairo_pattern_destroy (cairo_pattern_t *pattern);
-
-cairo_public unsigned int
-cairo_pattern_get_reference_count (cairo_pattern_t *pattern);
-
-cairo_public cairo_status_t
-cairo_pattern_status (cairo_pattern_t *pattern);
-
-cairo_public void *
-cairo_pattern_get_user_data (cairo_pattern_t *pattern,
- const cairo_user_data_key_t *key);
-
-cairo_public cairo_status_t
-cairo_pattern_set_user_data (cairo_pattern_t *pattern,
- const cairo_user_data_key_t *key,
- void *user_data,
- cairo_destroy_func_t destroy);
-
-/**
- * cairo_pattern_type_t:
- * @CAIRO_PATTERN_TYPE_SOLID: The pattern is a solid (uniform)
- * color. It may be opaque or translucent.
- * @CAIRO_PATTERN_TYPE_SURFACE: The pattern is a based on a surface (an image).
- * @CAIRO_PATTERN_TYPE_LINEAR: The pattern is a linear gradient.
- * @CAIRO_PATTERN_TYPE_RADIAL: The pattern is a radial gradient.
- *
- * #cairo_pattern_type_t is used to describe the type of a given pattern.
- *
- * The type of a pattern is determined by the function used to create
- * it. The cairo_pattern_create_rgb() and cairo_pattern_create_rgba()
- * functions create SOLID patterns. The remaining
- * cairo_pattern_create<!-- --> functions map to pattern types in obvious
- * ways.
- *
- * The pattern type can be queried with cairo_pattern_get_type()
- *
- * Most #cairo_pattern_t functions can be called with a pattern of any
- * type, (though trying to change the extend or filter for a solid
- * pattern will have no effect). A notable exception is
- * cairo_pattern_add_color_stop_rgb() and
- * cairo_pattern_add_color_stop_rgba() which must only be called with
- * gradient patterns (either LINEAR or RADIAL). Otherwise the pattern
- * will be shutdown and put into an error state.
- *
- * New entries may be added in future versions.
- *
- * Since: 1.2
- **/
-typedef enum _cairo_pattern_type {
- CAIRO_PATTERN_TYPE_SOLID,
- CAIRO_PATTERN_TYPE_SURFACE,
- CAIRO_PATTERN_TYPE_LINEAR,
- CAIRO_PATTERN_TYPE_RADIAL
-} cairo_pattern_type_t;
-
-cairo_public cairo_pattern_type_t
-cairo_pattern_get_type (cairo_pattern_t *pattern);
-
-cairo_public void
-cairo_pattern_add_color_stop_rgb (cairo_pattern_t *pattern,
- double offset,
- double red, double green, double blue);
-
-cairo_public void
-cairo_pattern_add_color_stop_rgba (cairo_pattern_t *pattern,
- double offset,
- double red, double green, double blue,
- double alpha);
-
-cairo_public void
-cairo_pattern_set_matrix (cairo_pattern_t *pattern,
- const cairo_matrix_t *matrix);
-
-cairo_public void
-cairo_pattern_get_matrix (cairo_pattern_t *pattern,
- cairo_matrix_t *matrix);
-
-/**
- * cairo_extend_t:
- * @CAIRO_EXTEND_NONE: pixels outside of the source pattern
- * are fully transparent
- * @CAIRO_EXTEND_REPEAT: the pattern is tiled by repeating
- * @CAIRO_EXTEND_REFLECT: the pattern is tiled by reflecting
- * at the edges (Implemented for surface patterns since 1.6)
- * @CAIRO_EXTEND_PAD: pixels outside of the pattern copy
- * the closest pixel from the source (Since 1.2; but only
- * implemented for surface patterns since 1.6)
- *
- * #cairo_extend_t is used to describe how pattern color/alpha will be
- * determined for areas "outside" the pattern's natural area, (for
- * example, outside the surface bounds or outside the gradient
- * geometry).
- *
- * The default extend mode is %CAIRO_EXTEND_NONE for surface patterns
- * and %CAIRO_EXTEND_PAD for gradient patterns.
- *
- * New entries may be added in future versions.
- **/
-typedef enum _cairo_extend {
- CAIRO_EXTEND_NONE,
- CAIRO_EXTEND_REPEAT,
- CAIRO_EXTEND_REFLECT,
- CAIRO_EXTEND_PAD
-} cairo_extend_t;
-
-cairo_public void
-cairo_pattern_set_extend (cairo_pattern_t *pattern, cairo_extend_t extend);
-
-cairo_public cairo_extend_t
-cairo_pattern_get_extend (cairo_pattern_t *pattern);
-
-/**
- * cairo_filter_t:
- * @CAIRO_FILTER_FAST: A high-performance filter, with quality similar
- * to %CAIRO_FILTER_NEAREST
- * @CAIRO_FILTER_GOOD: A reasonable-performance filter, with quality
- * similar to %CAIRO_FILTER_BILINEAR
- * @CAIRO_FILTER_BEST: The highest-quality available, performance may
- * not be suitable for interactive use.
- * @CAIRO_FILTER_NEAREST: Nearest-neighbor filtering
- * @CAIRO_FILTER_BILINEAR: Linear interpolation in two dimensions
- * @CAIRO_FILTER_GAUSSIAN: This filter value is currently
- * unimplemented, and should not be used in current code.
- *
- * #cairo_filter_t is used to indicate what filtering should be
- * applied when reading pixel values from patterns. See
- * cairo_pattern_set_source() for indicating the desired filter to be
- * used with a particular pattern.
- */
-typedef enum _cairo_filter {
- CAIRO_FILTER_FAST,
- CAIRO_FILTER_GOOD,
- CAIRO_FILTER_BEST,
- CAIRO_FILTER_NEAREST,
- CAIRO_FILTER_BILINEAR,
- CAIRO_FILTER_GAUSSIAN
-} cairo_filter_t;
-
-cairo_public void
-cairo_pattern_set_filter (cairo_pattern_t *pattern, cairo_filter_t filter);
-
-cairo_public cairo_filter_t
-cairo_pattern_get_filter (cairo_pattern_t *pattern);
-
-cairo_public cairo_status_t
-cairo_pattern_get_rgba (cairo_pattern_t *pattern,
- double *red, double *green,
- double *blue, double *alpha);
-
-cairo_public cairo_status_t
-cairo_pattern_get_surface (cairo_pattern_t *pattern,
- cairo_surface_t **surface);
-
-
-cairo_public cairo_status_t
-cairo_pattern_get_color_stop_rgba (cairo_pattern_t *pattern,
- int index, double *offset,
- double *red, double *green,
- double *blue, double *alpha);
-
-cairo_public cairo_status_t
-cairo_pattern_get_color_stop_count (cairo_pattern_t *pattern,
- int *count);
-
-cairo_public cairo_status_t
-cairo_pattern_get_linear_points (cairo_pattern_t *pattern,
- double *x0, double *y0,
- double *x1, double *y1);
-
-cairo_public cairo_status_t
-cairo_pattern_get_radial_circles (cairo_pattern_t *pattern,
- double *x0, double *y0, double *r0,
- double *x1, double *y1, double *r1);
-
-/* Matrix functions */
-
-cairo_public void
-cairo_matrix_init (cairo_matrix_t *matrix,
- double xx, double yx,
- double xy, double yy,
- double x0, double y0);
-
-cairo_public void
-cairo_matrix_init_identity (cairo_matrix_t *matrix);
-
-cairo_public void
-cairo_matrix_init_translate (cairo_matrix_t *matrix,
- double tx, double ty);
-
-cairo_public void
-cairo_matrix_init_scale (cairo_matrix_t *matrix,
- double sx, double sy);
-
-cairo_public void
-cairo_matrix_init_rotate (cairo_matrix_t *matrix,
- double radians);
-
-cairo_public void
-cairo_matrix_translate (cairo_matrix_t *matrix, double tx, double ty);
-
-cairo_public void
-cairo_matrix_scale (cairo_matrix_t *matrix, double sx, double sy);
-
-cairo_public void
-cairo_matrix_rotate (cairo_matrix_t *matrix, double radians);
-
-cairo_public cairo_status_t
-cairo_matrix_invert (cairo_matrix_t *matrix);
-
-cairo_public void
-cairo_matrix_multiply (cairo_matrix_t *result,
- const cairo_matrix_t *a,
- const cairo_matrix_t *b);
-
-cairo_public void
-cairo_matrix_transform_distance (const cairo_matrix_t *matrix,
- double *dx, double *dy);
-
-cairo_public void
-cairo_matrix_transform_point (const cairo_matrix_t *matrix,
- double *x, double *y);
-
-/* Region functions */
-
-/**
- * cairo_region_t:
- *
- * A #cairo_region_t represents a set of integer-aligned rectangles.
- *
- * It allows set-theoretical operations like cairo_region_union() and
- * cairo_region_intersect() to be performed on them.
- *
- * Memory management of #cairo_region_t is done with
- * cairo_region_reference() and cairo_region_destroy().
- *
- * Since: 1.10
- **/
-typedef struct _cairo_region cairo_region_t;
-
-/**
- * cairo_rectangle_int_t:
- * @x: X coordinate of the left side of the rectangle
- * @y: Y coordinate of the the top side of the rectangle
- * @width: width of the rectangle
- * @height: height of the rectangle
- *
- * A data structure for holding a rectangle with integer coordinates.
- *
- * Since: 1.10
- **/
-
-typedef struct _cairo_rectangle_int {
- int x, y;
- int width, height;
-} cairo_rectangle_int_t;
-
-typedef enum _cairo_region_overlap {
- CAIRO_REGION_OVERLAP_IN, /* completely inside region */
- CAIRO_REGION_OVERLAP_OUT, /* completely outside region */
- CAIRO_REGION_OVERLAP_PART /* partly inside region */
-} cairo_region_overlap_t;
-
-cairo_public cairo_region_t *
-cairo_region_create (void);
-
-cairo_public cairo_region_t *
-cairo_region_create_rectangle (const cairo_rectangle_int_t *rectangle);
-
-cairo_public cairo_region_t *
-cairo_region_create_rectangles (const cairo_rectangle_int_t *rects,
- int count);
-
-cairo_public cairo_region_t *
-cairo_region_copy (const cairo_region_t *original);
-
-cairo_public cairo_region_t *
-cairo_region_reference (cairo_region_t *region);
-
-cairo_public void
-cairo_region_destroy (cairo_region_t *region);
-
-cairo_public cairo_bool_t
-cairo_region_equal (const cairo_region_t *a, const cairo_region_t *b);
-
-cairo_public cairo_status_t
-cairo_region_status (const cairo_region_t *region);
-
-cairo_public void
-cairo_region_get_extents (const cairo_region_t *region,
- cairo_rectangle_int_t *extents);
-
-cairo_public int
-cairo_region_num_rectangles (const cairo_region_t *region);
-
-cairo_public void
-cairo_region_get_rectangle (const cairo_region_t *region,
- int nth,
- cairo_rectangle_int_t *rectangle);
-
-cairo_public cairo_bool_t
-cairo_region_is_empty (const cairo_region_t *region);
-
-cairo_public cairo_region_overlap_t
-cairo_region_contains_rectangle (const cairo_region_t *region,
- const cairo_rectangle_int_t *rectangle);
-
-cairo_public cairo_bool_t
-cairo_region_contains_point (const cairo_region_t *region, int x, int y);
-
-cairo_public void
-cairo_region_translate (cairo_region_t *region, int dx, int dy);
-
-cairo_public cairo_status_t
-cairo_region_subtract (cairo_region_t *dst, const cairo_region_t *other);
-
-cairo_public cairo_status_t
-cairo_region_subtract_rectangle (cairo_region_t *dst,
- const cairo_rectangle_int_t *rectangle);
-
-cairo_public cairo_status_t
-cairo_region_intersect (cairo_region_t *dst, const cairo_region_t *other);
-
-cairo_public cairo_status_t
-cairo_region_intersect_rectangle (cairo_region_t *dst,
- const cairo_rectangle_int_t *rectangle);
-
-cairo_public cairo_status_t
-cairo_region_union (cairo_region_t *dst, const cairo_region_t *other);
-
-cairo_public cairo_status_t
-cairo_region_union_rectangle (cairo_region_t *dst,
- const cairo_rectangle_int_t *rectangle);
-
-cairo_public cairo_status_t
-cairo_region_xor (cairo_region_t *dst, const cairo_region_t *other);
-
-cairo_public cairo_status_t
-cairo_region_xor_rectangle (cairo_region_t *dst,
- const cairo_rectangle_int_t *rectangle);
-
-/* Functions to be used while debugging (not intended for use in production code) */
-cairo_public void
-cairo_debug_reset_static_data (void);
-
-
-CAIRO_END_DECLS
-
-#endif /* CAIRO_H */
diff --git a/dalaunay.html b/dalaunay.html
deleted file mode 100644
index 57e1084ee553190612ac75cb794e3f622f6d4a39..0000000000000000000000000000000000000000
--- a/dalaunay.html
+++ /dev/null
@@ -1,3 +0,0 @@
-</svg>
-</body>
-</html>
diff --git a/delaunay.html b/delaunay.html
index e50819a27c97eded54abc501b4836ccd6cea9f86..21f320eb4e2d832f63b34ae38ef337fa552c46a4 100644
--- a/delaunay.html
+++ b/delaunay.html
@@ -1,43 +1,556 @@
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+<line x1="41.657765" y1="769.066439" x2="114.719077" y2="955.168310" style="stroke:rgb(255,0,0);stroke-width:1" />
+</svg>
+</body>
+</html>
diff --git a/libcairo-2.dll b/libcairo-2.dll
deleted file mode 100644
index 34f84afd26ef4c233925d483e66e98b4116a881f..0000000000000000000000000000000000000000
Binary files a/libcairo-2.dll and /dev/null differ
diff --git a/libpng14-14.dll b/libpng14-14.dll
deleted file mode 100644
index 8b93b06ad7836935e829cf0b198515c9d7a919ae..0000000000000000000000000000000000000000
Binary files a/libpng14-14.dll and /dev/null differ
diff --git a/sine.ppm b/sine.ppm
deleted file mode 100644
index 42f0e2ab35e8996aec96c13c5d0bea802ba1daf1..0000000000000000000000000000000000000000
Binary files a/sine.ppm and /dev/null differ
diff --git a/sine2.ppm b/sine2.ppm
deleted file mode 100644
index 540a58b084dd423066028aa9f236c70214ba008e..0000000000000000000000000000000000000000
Binary files a/sine2.ppm and /dev/null differ
diff --git a/sine3.ppm b/sine3.ppm
deleted file mode 100644
index d49a29d7ea199b7c6b75f288aa79c1f29bf8d2e8..0000000000000000000000000000000000000000
Binary files a/sine3.ppm and /dev/null differ
diff --git a/sine4.ppm b/sine4.ppm
deleted file mode 100644
index cf1cf452e0c3ca971df1d1e8eba81836d65acdcf..0000000000000000000000000000000000000000
Binary files a/sine4.ppm and /dev/null differ
diff --git a/src/constant-workspace-algorithms-c.c b/src/delaunay.c
similarity index 81%
rename from src/constant-workspace-algorithms-c.c
rename to src/delaunay.c
index 185fcfe6f0672b5ea4811443b07662682a3434c4..b26021c05d63fc049982e3fbbef631b88cd1f938 100644
--- a/src/constant-workspace-algorithms-c.c
+++ b/src/delaunay.c
@@ -8,83 +8,9 @@
============================================================================
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <stdint.h>
-#include <time.h>
+#include "delaunay.h"
-/* Image parameters */
-#define W 1000
-#define H 1000
-#define M 255
-/* This is where we'll store the pixels */
-uint8_t r[H][W], g[H][W], b[H][W];
-
-typedef struct {
- double x, y;
-} vertex;
-
-typedef struct {
- vertex center;
- double radius;
-} circle;
-
-struct Triangle {
- vertex a, b, c;
-};
-
-struct Edge {
- int i, j;
-};
-
-typedef struct {
- vertex a;
- vertex b;
-} line;
-
-circle circle_vvv(vertex, vertex, vertex);
-void readFile(char*, char*);
-vertex vector(vertex, vertex);
-double distance(vertex, vertex);
-void generatePoints(vertex*, int);
-void printPoint(vertex);
-void delaunayCws(vertex*, int, FILE*);
-void drawPoints(vertex*, int);
-void write_ppm(const char*);
-void writeSvgStart (FILE*);
-void writeSvgEnd (FILE*);
-
-int main(int argc, char *argv[]) {
- //create_image();
- //write_ppm ( "sine.ppm" );
- int numberOfPoints = 10;
- if(argc > 0) {
- //printf("%s\n", argv[0]);
- }
- //printf("%d\n", argc);
- if(argc == 2) {
- //printf("%s\n", argv[1]);
- numberOfPoints = atoi(argv[1]);
- }
- //puts("!!!Hello World!!!"); /* prints !!!Hello World!!! */
- //printf("%d\n", RAND_MAX);
- vertex points[numberOfPoints];
- generatePoints(points, numberOfPoints);
- drawPoints(points, numberOfPoints);
-
- for(int i = 0; i < numberOfPoints; i++) {
- //printf("%f, %f\n", points[i].x, points[i].y);
- }
- FILE *out = fopen ( "delaunay.html", "w" );
- writeSvgStart ( out );
- delaunayCws(points, numberOfPoints, out);
- writeSvgEnd ( out );
- fclose(out);
- //readFile("test.txt", "r");
- return EXIT_SUCCESS;
-}
/* Draw a full 2*pi period of the sine */
void create_image ( void )
@@ -126,13 +52,7 @@ int drawLine(vertex* p) {
}
-void svgDrawLine(line l, FILE *out) {
- fprintf(out, "<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\" style=\"stroke:rgb(255,0,0);stroke-width:1\" />\n", l.a.x*W, l.a.y*H, l.b.x*W, l.b.y*H);
-}
-void svgDrawCircle(circle c, FILE *out) {
- fprintf(out, "<circle cx=\"%f\" cy=\"%f\" r=\"%f\" stroke=\"green\" stroke-width=\"1\" fill=\"none\" />", c.center.x*W, c.center.y*H, c.radius*W);
-}
/*int reportLine(vertex* p, int size, FILE *out) {
line l = {p[0], p[1]};
@@ -157,15 +77,6 @@ int reportTriangle(vertex* p, int size, FILE *out) {
}
-void writeSvgStart (FILE *out) {
- fprintf (out, "<!DOCTYPE html>\n<html>\n<body>\n<svg width=\"%d\" height=\"%d\">\n", W, H);
-}
-
-void writeSvgEnd (FILE *out) {
- fprintf (out, "</svg>\n</body>\n</html>\n");
-}
-
-
void write_ppm ( const char *filename )
{
FILE *out = fopen ( filename, "w" );
@@ -445,7 +356,7 @@ void clockwiseNextDelaunayEdge(int *p, int *q, int *r, vertex *S, int *size, int
-void delaunayCws(vertex* S, int size, FILE *out) {
+void delaunayCws(vertex* S, int size, FILE *out, int draw) {
//struct Triangle delaunayTriangles[size-2];
for(int i = 0; i < size; i++){
//TODO eventuell nur j zurueckgeben (i haben wir ja schon)
@@ -471,7 +382,9 @@ void delaunayCws(vertex* S, int size, FILE *out) {
if(i < j && i < k) {
if(isTriangle == 2){
vertex tri[3] = {S[i], S[j], S[k]};
- reportTriangle(tri, 3, out);
+ if(draw){
+ reportTriangle(tri, 3, out);
+ }
}
}
//printf("j = %d, k = %d\n", j, k);
diff --git a/src/delaunay.h b/src/delaunay.h
new file mode 100644
index 0000000000000000000000000000000000000000..d41d677365e01f44132a46f93a4748250d73d24e
--- /dev/null
+++ b/src/delaunay.h
@@ -0,0 +1,33 @@
+/*
+ * delaunay.h
+ *
+ * Created on: 15 Nov 2018
+ * Author: Mika
+ */
+
+#ifndef SRC_DELAUNAY_H_
+#define SRC_DELAUNAY_H_
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <stdint.h>
+#include <time.h>
+#include "helper.h"
+
+
+/* This is where we'll store the pixels */
+uint8_t r[H][W], g[H][W], b[H][W];
+
+
+circle circle_vvv(vertex, vertex, vertex);
+void readFile(char*, char*);
+vertex vector(vertex, vertex);
+double distance(vertex, vertex);
+void generatePoints(vertex*, int);
+void printPoint(vertex);
+void delaunayCws(vertex*, int, FILE*, int);
+void drawPoints(vertex*, int);
+void write_ppm(const char*);
+
+#endif /* SRC_DELAUNAY_H_ */
diff --git a/src/helper.c b/src/helper.c
new file mode 100644
index 0000000000000000000000000000000000000000..f21b71dd9e154ab8bf585f1f11e4fe11ca9476c1
--- /dev/null
+++ b/src/helper.c
@@ -0,0 +1,25 @@
+/*
+ * draw.c
+ *
+ * Created on: 15 Nov 2018
+ * Author: Mika
+ */
+
+#include "helper.h"
+
+void svgDrawLine(line l, FILE *out) {
+ fprintf(out, "<line x1=\"%f\" y1=\"%f\" x2=\"%f\" y2=\"%f\" style=\"stroke:rgb(255,0,0);stroke-width:1\" />\n", l.a.x*W, l.a.y*H, l.b.x*W, l.b.y*H);
+}
+
+void svgDrawCircle(circle c, FILE *out) {
+ fprintf(out, "<circle cx=\"%f\" cy=\"%f\" r=\"%f\" stroke=\"green\" stroke-width=\"1\" fill=\"none\" />", c.center.x*W, c.center.y*H, c.radius*W);
+}
+
+void writeSvgStart (FILE *out) {
+ fprintf (out, "<!DOCTYPE html>\n<html>\n<body>\n<svg width=\"%d\" height=\"%d\">\n", W, H);
+}
+
+void writeSvgEnd (FILE *out) {
+ fprintf (out, "</svg>\n</body>\n</html>\n");
+}
+
diff --git a/src/helper.h b/src/helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..8d94e13c9ed5781379b8234b710707a1481f1ea2
--- /dev/null
+++ b/src/helper.h
@@ -0,0 +1,36 @@
+/*
+ * helper.h
+ *
+ * Created on: 15 Nov 2018
+ * Author: Mika
+ */
+
+#ifndef HELPER_H_
+#define HELPER_H_
+
+#include <stdio.h>
+
+#define W 1000
+#define H 1000
+#define M 255
+
+typedef struct {
+ double x, y;
+} vertex;
+
+typedef struct {
+ vertex center;
+ double radius;
+} circle;
+
+typedef struct {
+ vertex a;
+ vertex b;
+} line;
+
+void writeSvgStart (FILE*);
+void writeSvgEnd (FILE*);
+void svgDrawLine(line, FILE *);
+void svgDrawCircle(circle, FILE *);
+
+#endif /* HELPER_H_ */
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..16c6bcc7cf9fbd3f13525b80cf9c2d6bcedb1966
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,52 @@
+/*
+ * main.c
+ *
+ * Created on: 15 Nov 2018
+ * Author: Mika
+ */
+
+#include "delaunay.h"
+
+int main(int argc, char *argv[]) {
+ //input: 1. function 0=cws_delaunay 2. # of points, 3. draw? 4. # of executions
+ //create_image();
+ //write_ppm ( "sine.ppm" );
+ int numberOfPoints = 10;
+ int function = 0;
+ int draw = 0;
+ int executions = 1;
+ if(argc > 0) {
+ //printf("%s\n", argv[0]);
+ }
+ //printf("%d\n", argc);
+ if(argc == 2) {
+ //printf("%s\n", argv[1]);
+ numberOfPoints = atoi(argv[1]);
+ }
+
+
+ //puts("!!!Hello World!!!"); /* prints !!!Hello World!!! */
+ //printf("%d\n", RAND_MAX);
+ vertex points[numberOfPoints];
+ generatePoints(points, numberOfPoints);
+ //drawPoints(points, numberOfPoints);
+
+ switch(function){
+ case 0:
+ for(int i = 0; i < executions; i++) {
+ FILE *out = NULL;
+ if(draw) {
+ out = fopen ( "delaunay.html", "w" );
+ writeSvgStart ( out );
+ }
+ delaunayCws(points, numberOfPoints, out, draw);
+ if(draw){
+ writeSvgEnd ( out );
+ fclose(out);
+ }
+ }
+ }
+
+ //readFile("test.txt", "r");
+ return EXIT_SUCCESS;
+}
diff --git a/test.txt b/test.txt
deleted file mode 100644
index 7ce35f1d929985fa5236afe6c88c1705b15d4303..0000000000000000000000000000000000000000
--- a/test.txt
+++ /dev/null
@@ -1 +0,0 @@
-testing for funz
\ No newline at end of file
diff --git a/zlib1.dll b/zlib1.dll
deleted file mode 100644
index 869b00d4a574faa6b7fe68967657bdacc1ed838a..0000000000000000000000000000000000000000
Binary files a/zlib1.dll and /dev/null differ