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conky/lua/cairo.pkg
2009-11-25 12:53:42 -08:00

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$#include <cairo-features.h>
$#include <cairo-deprecated.h>
$#include <cairo.h>
$#include <cairo-xlib.h>
$#include <X11/Xlib.h>
$#include "libcairo-helper.h"
/*
* This code was mostly copied from cairo.h and cairo-xlib.h with comments
* removed. The licence noticed below is present for the sake of clarity.
*/
/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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>
*/
typedef enum _cairo_antialias {
CAIRO_ANTIALIAS_DEFAULT,
CAIRO_ANTIALIAS_NONE,
CAIRO_ANTIALIAS_GRAY,
CAIRO_ANTIALIAS_SUBPIXEL
} cairo_antialias_t;
typedef struct _cairo_matrix {
double xx;
double yx;
double xy;
double yy;
double x0;
double y0;
static tolua_outside cairo_matrix_t* create_cairo_matrix_t @ create();
} cairo_matrix_t;
typedef int cairo_bool_t;
typedef struct _cairo cairo_t;
typedef struct _cairo_surface cairo_surface_t;
typedef struct _cairo_pattern cairo_pattern_t;
typedef struct _cairo_user_data_key {
int unused;
} cairo_user_data_key_t;
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_t;
typedef enum _cairo_content {
CAIRO_CONTENT_COLOR = 0x1000,
CAIRO_CONTENT_ALPHA = 0x2000,
CAIRO_CONTENT_COLOR_ALPHA = 0x3000
} cairo_content_t;
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_t;
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_surface_t *cairo_xlib_surface_create(Display * dpy,
Drawable drawable,
Visual * visual, int width, int height);
cairo_surface_t *cairo_xlib_surface_create_for_bitmap(Display * dpy,
Pixmap bitmap,
Screen * screen, int width, int height);
void cairo_xlib_surface_set_size(cairo_surface_t * surface, int width, int height);
void cairo_xlib_surface_set_drawable(cairo_surface_t * surface, Drawable
drawable, int width, int height);
Display *cairo_xlib_surface_get_display(cairo_surface_t * surface);
Drawable cairo_xlib_surface_get_drawable(cairo_surface_t * surface);
Screen *cairo_xlib_surface_get_screen(cairo_surface_t * surface);
Visual *cairo_xlib_surface_get_visual(cairo_surface_t * surface);
int cairo_xlib_surface_get_depth(cairo_surface_t * surface);
int cairo_xlib_surface_get_width(cairo_surface_t * surface);
int cairo_xlib_surface_get_height(cairo_surface_t * surface);
int cairo_version(void);
const char *cairo_version_string(void);
cairo_t *cairo_create(cairo_surface_t * target);
cairo_t *cairo_reference(cairo_t * cr);
void cairo_destroy(cairo_t * cr);
unsigned int cairo_get_reference_count(cairo_t * cr);
void *cairo_get_user_data(cairo_t * cr, const cairo_user_data_key_t * key);
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);
void cairo_save(cairo_t * cr);
void cairo_restore(cairo_t * cr);
void cairo_push_group(cairo_t * cr);
void cairo_push_group_with_content(cairo_t * cr, cairo_content_t content);
cairo_pattern_t *cairo_pop_group(cairo_t * cr);
void cairo_pop_group_to_source(cairo_t * cr);
void cairo_set_operator(cairo_t * cr, cairo_operator_t op);
void cairo_set_source(cairo_t * cr, cairo_pattern_t * source);
void cairo_set_source_rgb(cairo_t * cr, double red, double green, double blue);
void cairo_set_source_rgba(cairo_t * cr, double red, double green, double blue, double alpha);
void cairo_set_source_surface(cairo_t * cr, cairo_surface_t * surface, double x, double y);
void cairo_set_tolerance(cairo_t * cr, double tolerance);
void cairo_set_antialias(cairo_t * cr, cairo_antialias_t antialias);
typedef enum _cairo_fill_rule {
CAIRO_FILL_RULE_WINDING,
CAIRO_FILL_RULE_EVEN_ODD
} cairo_fill_rule_t;
void cairo_set_fill_rule(cairo_t * cr, cairo_fill_rule_t fill_rule);
void cairo_set_line_width(cairo_t * cr, double width);
typedef enum _cairo_line_cap {
CAIRO_LINE_CAP_BUTT,
CAIRO_LINE_CAP_ROUND,
CAIRO_LINE_CAP_SQUARE
} cairo_line_cap_t;
void cairo_set_line_cap(cairo_t * cr, cairo_line_cap_t line_cap);
typedef enum _cairo_line_join {
CAIRO_LINE_JOIN_MITER,
CAIRO_LINE_JOIN_ROUND,
CAIRO_LINE_JOIN_BEVEL
} cairo_line_join_t;
void cairo_set_line_join(cairo_t * cr, cairo_line_join_t line_join);
void cairo_set_dash(cairo_t * cr, const double *dashes, int num_dashes, double offset);
void cairo_set_miter_limit(cairo_t * cr, double limit);
void cairo_translate(cairo_t * cr, double tx, double ty);
void cairo_scale(cairo_t * cr, double sx, double sy);
void cairo_rotate(cairo_t * cr, double angle);
void cairo_transform(cairo_t * cr, cairo_matrix_t * matrix);
void cairo_set_matrix(cairo_t * cr, cairo_matrix_t * matrix);
void cairo_identity_matrix(cairo_t * cr);
void cairo_user_to_device(cairo_t * cr, double *x, double *y);
void cairo_user_to_device_distance(cairo_t * cr, double *dx, double *dy);
void cairo_device_to_user(cairo_t * cr, double *x, double *y);
void cairo_device_to_user_distance(cairo_t * cr, double *dx, double *dy);
void cairo_new_path(cairo_t * cr);
void cairo_move_to(cairo_t * cr, double x, double y);
void cairo_new_sub_path(cairo_t * cr);
void cairo_line_to(cairo_t * cr, double x, double y);
void cairo_curve_to(cairo_t * cr, double x1, double y1, double x2, double y2, double x3, double y3);
void cairo_arc(cairo_t * cr, double xc, double yc, double radius, double angle1, double angle2);
void cairo_arc_negative(cairo_t * cr, double xc, double yc, double radius,
double angle1, double angle2);
void cairo_rel_move_to(cairo_t * cr, double dx, double dy);
void cairo_rel_line_to(cairo_t * cr, double dx, double dy);
void cairo_rel_curve_to(cairo_t * cr, double dx1, double dy1, double dx2,
double dy2, double dx3, double dy3);
void cairo_rectangle(cairo_t * cr, double x, double y, double width, double height);
void cairo_close_path(cairo_t * cr);
void cairo_path_extents(cairo_t * cr, double *x1, double *y1, double *x2, double *y2);
void cairo_paint(cairo_t * cr);
void cairo_paint_with_alpha(cairo_t * cr, double alpha);
void cairo_mask(cairo_t * cr, cairo_pattern_t * pattern);
void cairo_mask_surface(cairo_t * cr, cairo_surface_t * surface, double
surface_x, double surface_y);
void cairo_stroke(cairo_t * cr);
void cairo_stroke_preserve(cairo_t * cr);
void cairo_fill(cairo_t * cr);
void cairo_fill_preserve(cairo_t * cr);
void cairo_copy_page(cairo_t * cr);
void cairo_show_page(cairo_t * cr);
cairo_bool_t cairo_in_stroke(cairo_t * cr, double x, double y);
cairo_bool_t cairo_in_fill(cairo_t * cr, double x, double y);
void cairo_stroke_extents(cairo_t * cr, double *x1, double *y1, double *x2, double *y2);
void cairo_fill_extents(cairo_t * cr, double *x1, double *y1, double *x2, double *y2);
void cairo_reset_clip(cairo_t * cr);
void cairo_clip(cairo_t * cr);
void cairo_clip_preserve(cairo_t * cr);
void cairo_clip_extents(cairo_t * cr, double *x1, double *y1, double *x2, double *y2);
typedef struct _cairo_rectangle {
double x, y, width, height;
} cairo_rectangle_t;
typedef struct _cairo_rectangle_list {
cairo_status_t status;
cairo_rectangle_t *rectangles;
int num_rectangles;
} cairo_rectangle_list_t;
cairo_rectangle_list_t *cairo_copy_clip_rectangle_list(cairo_t * cr);
void cairo_rectangle_list_destroy(cairo_rectangle_list_t * rectangle_list);
typedef struct _cairo_scaled_font cairo_scaled_font_t;
typedef struct _cairo_font_face cairo_font_face_t;
typedef struct {
unsigned long index;
double x;
double y;
} cairo_glyph_t;
cairo_glyph_t *cairo_glyph_allocate(int num_glyphs);
void cairo_glyph_free(cairo_glyph_t * glyphs);
typedef struct {
int num_bytes;
int num_glyphs;
} cairo_text_cluster_t;
cairo_text_cluster_t *cairo_text_cluster_allocate(int num_clusters);
void cairo_text_cluster_free(cairo_text_cluster_t * clusters);
typedef enum _cairo_text_cluster_flags {
CAIRO_TEXT_CLUSTER_FLAG_BACKWARD = 0x00000001
} cairo_text_cluster_flags_t;
typedef struct {
double x_bearing;
double y_bearing;
double width;
double height;
double x_advance;
double y_advance;
static tolua_outside cairo_text_extents_t* create_cairo_text_extents_t @ create();
} cairo_text_extents_t;
typedef struct {
double ascent;
double descent;
double height;
double max_x_advance;
double max_y_advance;
static tolua_outside cairo_font_extents_t* create_cairo_font_extents_t @ create();
} cairo_font_extents_t;
typedef enum _cairo_font_slant {
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_SLANT_ITALIC,
CAIRO_FONT_SLANT_OBLIQUE
} cairo_font_slant_t;
typedef enum _cairo_font_weight {
CAIRO_FONT_WEIGHT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD
} cairo_font_weight_t;
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;
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;
typedef enum _cairo_hint_metrics {
CAIRO_HINT_METRICS_DEFAULT,
CAIRO_HINT_METRICS_OFF,
CAIRO_HINT_METRICS_ON
} cairo_hint_metrics_t;
typedef struct _cairo_font_options cairo_font_options_t;
cairo_font_options_t *cairo_font_options_create(void);
cairo_font_options_t *cairo_font_options_copy(cairo_font_options_t * original);
void cairo_font_options_destroy(cairo_font_options_t * options);
cairo_status_t cairo_font_options_status(cairo_font_options_t * options);
void cairo_font_options_merge(cairo_font_options_t * options, cairo_font_options_t * other);
cairo_bool_t cairo_font_options_equal(cairo_font_options_t * options,
cairo_font_options_t * other);
unsigned long cairo_font_options_hash(cairo_font_options_t * options);
void cairo_font_options_set_antialias(cairo_font_options_t * options, cairo_antialias_t antialias);
cairo_antialias_t cairo_font_options_get_antialias(cairo_font_options_t * options);
void cairo_font_options_set_subpixel_order(cairo_font_options_t * options,
cairo_subpixel_order_t subpixel_order);
cairo_subpixel_order_t cairo_font_options_get_subpixel_order(cairo_font_options_t * options);
void cairo_font_options_set_hint_style(cairo_font_options_t * options, cairo_hint_style_t hint_style);
cairo_hint_style_t cairo_font_options_get_hint_style(cairo_font_options_t * options);
void cairo_font_options_set_hint_metrics(cairo_font_options_t * options,
cairo_hint_metrics_t hint_metrics);
cairo_hint_metrics_t cairo_font_options_get_hint_metrics(cairo_font_options_t * options);
void cairo_select_font_face(cairo_t * cr,
const char *family, cairo_font_slant_t slant, cairo_font_weight_t weight);
void cairo_set_font_size(cairo_t * cr, double size);
void cairo_set_font_matrix(cairo_t * cr, cairo_matrix_t * matrix);
void cairo_get_font_matrix(cairo_t * cr, cairo_matrix_t * matrix);
void cairo_set_font_options(cairo_t * cr, cairo_font_options_t * options);
void cairo_get_font_options(cairo_t * cr, cairo_font_options_t * options);
void cairo_set_font_face(cairo_t * cr, cairo_font_face_t * font_face);
cairo_font_face_t *cairo_get_font_face(cairo_t * cr);
void cairo_set_scaled_font(cairo_t * cr, cairo_scaled_font_t * scaled_font);
cairo_scaled_font_t *cairo_get_scaled_font(cairo_t * cr);
void cairo_show_text(cairo_t * cr, const char *utf8);
void cairo_show_glyphs(cairo_t * cr, const cairo_glyph_t * glyphs, int num_glyphs);
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);
void cairo_text_path(cairo_t * cr, const char *utf8);
void cairo_glyph_path(cairo_t * cr, const cairo_glyph_t * glyphs, int num_glyphs);
void cairo_text_extents(cairo_t * cr, const char *utf8, cairo_text_extents_t * extents);
void cairo_glyph_extents(cairo_t * cr,
const cairo_glyph_t * glyphs, int num_glyphs, cairo_text_extents_t * extents);
void cairo_font_extents(cairo_t * cr, cairo_font_extents_t * extents);
cairo_font_face_t *cairo_font_face_reference(cairo_font_face_t * font_face);
void cairo_font_face_destroy(cairo_font_face_t * font_face);
unsigned int cairo_font_face_get_reference_count(cairo_font_face_t * font_face);
cairo_status_t cairo_font_face_status(cairo_font_face_t * font_face);
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_font_type_t cairo_font_face_get_type(cairo_font_face_t * font_face);
void *cairo_font_face_get_user_data(cairo_font_face_t * font_face,
const cairo_user_data_key_t * key);
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);
cairo_scaled_font_t *cairo_scaled_font_create(cairo_font_face_t * font_face,
cairo_matrix_t * font_matrix,
cairo_matrix_t * ctm,
cairo_font_options_t * options);
cairo_scaled_font_t *cairo_scaled_font_reference(cairo_scaled_font_t * scaled_font);
void cairo_scaled_font_destroy(cairo_scaled_font_t * scaled_font);
unsigned int cairo_scaled_font_get_reference_count(cairo_scaled_font_t * scaled_font);
cairo_status_t cairo_scaled_font_status(cairo_scaled_font_t * scaled_font);
cairo_font_type_t cairo_scaled_font_get_type(cairo_scaled_font_t * scaled_font);
void *cairo_scaled_font_get_user_data(cairo_scaled_font_t * scaled_font,
const cairo_user_data_key_t * key);
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);
void cairo_scaled_font_extents(cairo_scaled_font_t * scaled_font, cairo_font_extents_t * extents);
void cairo_scaled_font_text_extents(cairo_scaled_font_t * scaled_font,
const char *utf8, cairo_text_extents_t * extents);
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_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_font_face_t *cairo_scaled_font_get_font_face(cairo_scaled_font_t * scaled_font);
void cairo_scaled_font_get_font_matrix(cairo_scaled_font_t * scaled_font, cairo_matrix_t * font_matrix);
void cairo_scaled_font_get_ctm(cairo_scaled_font_t * scaled_font, cairo_matrix_t * ctm);
void cairo_scaled_font_get_scale_matrix(cairo_scaled_font_t * scaled_font,
cairo_matrix_t * scale_matrix);
void cairo_scaled_font_get_font_options(cairo_scaled_font_t * scaled_font,
cairo_font_options_t * options);
cairo_font_face_t *cairo_toy_font_face_create(const char *family,
cairo_font_slant_t slant, cairo_font_weight_t weight);
const char *cairo_toy_font_face_get_family(cairo_font_face_t * font_face);
cairo_font_slant_t cairo_toy_font_face_get_slant(cairo_font_face_t * font_face);
cairo_font_weight_t cairo_toy_font_face_get_weight(cairo_font_face_t * font_face);
cairo_font_face_t *cairo_user_font_face_create(void);
void cairo_user_font_face_set_init_func(cairo_font_face_t * font_face,
cairo_user_scaled_font_init_func_t init_func);
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);
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);
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);
cairo_user_scaled_font_init_func_t cairo_user_font_face_get_init_func(cairo_font_face_t * font_face);
cairo_user_scaled_font_render_glyph_func_t cairo_user_font_face_get_render_glyph_func(cairo_font_face_t * font_face);
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_user_scaled_font_unicode_to_glyph_func_t cairo_user_font_face_get_unicode_to_glyph_func(cairo_font_face_t * font_face);
cairo_operator_t cairo_get_operator(cairo_t * cr);
cairo_pattern_t *cairo_get_source(cairo_t * cr);
double cairo_get_tolerance(cairo_t * cr);
cairo_antialias_t cairo_get_antialias(cairo_t * cr);
cairo_bool_t cairo_has_current_point(cairo_t * cr);
void cairo_get_current_point(cairo_t * cr, double *x, double *y);
cairo_fill_rule_t cairo_get_fill_rule(cairo_t * cr);
double cairo_get_line_width(cairo_t * cr);
cairo_line_cap_t cairo_get_line_cap(cairo_t * cr);
cairo_line_join_t cairo_get_line_join(cairo_t * cr);
double cairo_get_miter_limit(cairo_t * cr);
int cairo_get_dash_count(cairo_t * cr);
void cairo_get_dash(cairo_t * cr, double *dashes, double *offset);
void cairo_get_matrix(cairo_t * cr, cairo_matrix_t * matrix);
cairo_surface_t *cairo_get_target(cairo_t * cr);
cairo_surface_t *cairo_get_group_target(cairo_t * cr);
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;
typedef union _cairo_path_data_t cairo_path_data_t;
typedef struct cairo_path {
cairo_status_t status;
cairo_path_data_t *data;
int num_data;
} cairo_path_t;
cairo_path_t *cairo_copy_path(cairo_t * cr);
cairo_path_t *cairo_copy_path_flat(cairo_t * cr);
void cairo_append_path(cairo_t * cr, const cairo_path_t * path);
void cairo_path_destroy(cairo_path_t * path);
cairo_status_t cairo_status(cairo_t * cr);
const char *cairo_status_to_string(cairo_status_t status);
cairo_surface_t *cairo_surface_create_similar(cairo_surface_t * other,
cairo_content_t content, int width, int height);
cairo_surface_t *cairo_surface_reference(cairo_surface_t * surface);
void cairo_surface_finish(cairo_surface_t * surface);
void cairo_surface_destroy(cairo_surface_t * surface);
unsigned int cairo_surface_get_reference_count(cairo_surface_t * surface);
cairo_status_t cairo_surface_status(cairo_surface_t * surface);
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_t;
cairo_surface_type_t cairo_surface_get_type(cairo_surface_t * surface);
cairo_content_t cairo_surface_get_content(cairo_surface_t * surface);
cairo_status_t cairo_surface_write_to_png(cairo_surface_t * surface, const char *filename);
cairo_status_t cairo_surface_write_to_png_stream(cairo_surface_t * surface,
cairo_write_func_t write_func, void *closure);
void *cairo_surface_get_user_data(cairo_surface_t * surface, const cairo_user_data_key_t * key);
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);
void cairo_surface_get_font_options(cairo_surface_t * surface, cairo_font_options_t * options);
void cairo_surface_flush(cairo_surface_t * surface);
void cairo_surface_mark_dirty(cairo_surface_t * surface);
void cairo_surface_mark_dirty_rectangle(cairo_surface_t * surface, int x, int y, int width, int height);
void cairo_surface_set_device_offset(cairo_surface_t * surface, double x_offset, double y_offset);
void cairo_surface_get_device_offset(cairo_surface_t * surface, double *x_offset, double *y_offset);
void cairo_surface_set_fallback_resolution(cairo_surface_t * surface,
double x_pixels_per_inch, double y_pixels_per_inch);
void cairo_surface_get_fallback_resolution(cairo_surface_t * surface,
double *x_pixels_per_inch, double *y_pixels_per_inch);
void cairo_surface_copy_page(cairo_surface_t * surface);
void cairo_surface_show_page(cairo_surface_t * surface);
cairo_bool_t cairo_surface_has_show_text_glyphs(cairo_surface_t * surface);
typedef enum _cairo_format {
CAIRO_FORMAT_ARGB32,
CAIRO_FORMAT_RGB24,
CAIRO_FORMAT_A8,
CAIRO_FORMAT_A1
} cairo_format_t;
cairo_surface_t *cairo_image_surface_create(cairo_format_t format, int width, int height);
int cairo_format_stride_for_width(cairo_format_t format, int width);
cairo_surface_t *cairo_image_surface_create_for_data(unsigned char *data,
cairo_format_t format,
int width, int height, int stride);
unsigned char *cairo_image_surface_get_data(cairo_surface_t * surface);
cairo_format_t cairo_image_surface_get_format(cairo_surface_t * surface);
int cairo_image_surface_get_width(cairo_surface_t * surface);
int cairo_image_surface_get_height(cairo_surface_t * surface);
int cairo_image_surface_get_stride(cairo_surface_t * surface);
cairo_surface_t *cairo_image_surface_create_from_png(const char *filename);
cairo_surface_t *cairo_image_surface_create_from_png_stream(cairo_read_func_t read_func,
void *closure);
cairo_pattern_t *cairo_pattern_create_rgb(double red, double green, double blue);
cairo_pattern_t *cairo_pattern_create_rgba(double red, double green, double blue, double alpha);
cairo_pattern_t *cairo_pattern_create_for_surface(cairo_surface_t * surface);
cairo_pattern_t *cairo_pattern_create_linear(double x0, double y0, double x1, double y1);
cairo_pattern_t *cairo_pattern_create_radial(double cx0, double cy0, double radius0,
double cx1, double cy1, double radius1);
cairo_pattern_t *cairo_pattern_reference(cairo_pattern_t * pattern);
void cairo_pattern_destroy(cairo_pattern_t * pattern);
unsigned int cairo_pattern_get_reference_count(cairo_pattern_t * pattern);
cairo_status_t cairo_pattern_status(cairo_pattern_t * pattern);
void *cairo_pattern_get_user_data(cairo_pattern_t * pattern, const cairo_user_data_key_t * key);
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);
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_pattern_type_t cairo_pattern_get_type(cairo_pattern_t * pattern);
void cairo_pattern_add_color_stop_rgb(cairo_pattern_t * pattern, double offset,
double red, double green, double blue);
void cairo_pattern_add_color_stop_rgba(cairo_pattern_t * pattern, double
offset, double red, double green, double blue, double alpha);
void cairo_pattern_set_matrix(cairo_pattern_t * pattern, cairo_matrix_t * matrix);
void cairo_pattern_get_matrix(cairo_pattern_t * pattern, cairo_matrix_t * matrix);
typedef enum _cairo_extend {
CAIRO_EXTEND_NONE,
CAIRO_EXTEND_REPEAT,
CAIRO_EXTEND_REFLECT,
CAIRO_EXTEND_PAD
} cairo_extend_t;
void cairo_pattern_set_extend(cairo_pattern_t * pattern, cairo_extend_t extend);
cairo_extend_t cairo_pattern_get_extend(cairo_pattern_t * pattern);
void cairo_pattern_set_filter(cairo_pattern_t * pattern, cairo_filter_t filter);
cairo_filter_t cairo_pattern_get_filter(cairo_pattern_t * pattern);
cairo_status_t cairo_pattern_get_rgba(cairo_pattern_t * pattern,
double *red, double *green, double *blue, double *alpha);
cairo_status_t cairo_pattern_get_surface(cairo_pattern_t * pattern, cairo_surface_t ** surface);
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_status_t cairo_pattern_get_color_stop_count(cairo_pattern_t * pattern, int *count);
cairo_status_t cairo_pattern_get_linear_points(cairo_pattern_t * pattern,
double *x0, double *y0, double *x1, double *y1);
cairo_status_t cairo_pattern_get_radial_circles(cairo_pattern_t * pattern,
double *x0, double *y0, double *r0,
double *x1, double *y1, double *r1);
void cairo_matrix_init(cairo_matrix_t * matrix, double xx, double yx, double
xy, double yy, double x0, double y0);
void cairo_matrix_init_identity(cairo_matrix_t * matrix);
void cairo_matrix_init_translate(cairo_matrix_t * matrix, double tx, double ty);
void cairo_matrix_init_scale(cairo_matrix_t * matrix, double sx, double sy);
void cairo_matrix_init_rotate(cairo_matrix_t * matrix, double radians);
void cairo_matrix_translate(cairo_matrix_t * matrix, double tx, double ty);
void cairo_matrix_scale(cairo_matrix_t * matrix, double sx, double sy);
void cairo_matrix_rotate(cairo_matrix_t * matrix, double radians);
cairo_status_t cairo_matrix_invert(cairo_matrix_t * matrix);
void cairo_matrix_multiply(cairo_matrix_t * result, cairo_matrix_t * a,
cairo_matrix_t * b);
void cairo_matrix_transform_distance(cairo_matrix_t * matrix, double *dx, double *dy);
void cairo_matrix_transform_point(cairo_matrix_t * matrix, double *x, double *y);
void cairo_debug_reset_static_data(void);