conky/lua/cairo.pkg

$#include <cairo-features.h>
$#include <cairo-deprecated.h>
$#include <cairo.h>
$#include <cairo-xlib.h>
$#include <X11/Xlib.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;
} 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;
} cairo_text_extents_t;

typedef struct {
	double ascent;
	double descent;
	double height;
	double max_x_advance;
	double max_y_advance;
} 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);