Source code
Revision control
Copy as Markdown
Other Tools
/* cairo - a vector graphics library with display and print output
*
* 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
*
* 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 Red Hat, Inc.
*
* Contributor(s):
* Carl D. Worth <cworth@redhat.com>
*/
#ifndef CAIRO_GSTATE_PRIVATE_H
#define CAIRO_GSTATE_PRIVATE_H
#include "cairo-clip-private.h"
struct _cairo_gstate {
cairo_operator_t op;
double opacity;
double tolerance;
cairo_antialias_t antialias;
cairo_stroke_style_t stroke_style;
cairo_fill_rule_t fill_rule;
cairo_font_face_t *font_face;
cairo_scaled_font_t *scaled_font; /* Specific to the current CTM */
cairo_scaled_font_t *previous_scaled_font; /* holdover */
cairo_matrix_t font_matrix;
cairo_font_options_t font_options;
cairo_clip_t *clip;
cairo_surface_t *target; /* The target to which all rendering is directed */
cairo_surface_t *parent_target; /* The previous target which was receiving rendering */
cairo_surface_t *original_target; /* The original target the initial gstate was created with */
/* the user is allowed to update the device after we have cached the matrices... */
cairo_observer_t device_transform_observer;
cairo_matrix_t ctm;
cairo_matrix_t ctm_inverse;
cairo_matrix_t source_ctm_inverse; /* At the time ->source was set */
cairo_bool_t is_identity;
cairo_pattern_t *source;
struct _cairo_gstate *next;
};
/* cairo-gstate.c */
cairo_private cairo_status_t
_cairo_gstate_init (cairo_gstate_t *gstate,
cairo_surface_t *target);
cairo_private void
_cairo_gstate_fini (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_save (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
cairo_private cairo_status_t
_cairo_gstate_restore (cairo_gstate_t **gstate, cairo_gstate_t **freelist);
cairo_private cairo_bool_t
_cairo_gstate_is_group (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_redirect_target (cairo_gstate_t *gstate, cairo_surface_t *child);
cairo_private cairo_surface_t *
_cairo_gstate_get_target (cairo_gstate_t *gstate);
cairo_private cairo_surface_t *
_cairo_gstate_get_original_target (cairo_gstate_t *gstate);
cairo_private cairo_clip_t *
_cairo_gstate_get_clip (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_source (cairo_gstate_t *gstate, cairo_pattern_t *source);
cairo_private cairo_pattern_t *
_cairo_gstate_get_source (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_operator (cairo_gstate_t *gstate, cairo_operator_t op);
cairo_private cairo_operator_t
_cairo_gstate_get_operator (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_opacity (cairo_gstate_t *gstate, double opacity);
cairo_private double
_cairo_gstate_get_opacity (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_tolerance (cairo_gstate_t *gstate, double tolerance);
cairo_private double
_cairo_gstate_get_tolerance (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_fill_rule (cairo_gstate_t *gstate, cairo_fill_rule_t fill_rule);
cairo_private cairo_fill_rule_t
_cairo_gstate_get_fill_rule (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_line_width (cairo_gstate_t *gstate, double width);
cairo_private double
_cairo_gstate_get_line_width (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_line_cap (cairo_gstate_t *gstate, cairo_line_cap_t line_cap);
cairo_private cairo_line_cap_t
_cairo_gstate_get_line_cap (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_line_join (cairo_gstate_t *gstate, cairo_line_join_t line_join);
cairo_private cairo_line_join_t
_cairo_gstate_get_line_join (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_set_dash (cairo_gstate_t *gstate, const double *dash, int num_dashes, double offset);
cairo_private void
_cairo_gstate_get_dash (cairo_gstate_t *gstate, double *dash, int *num_dashes, double *offset);
cairo_private cairo_status_t
_cairo_gstate_set_miter_limit (cairo_gstate_t *gstate, double limit);
cairo_private double
_cairo_gstate_get_miter_limit (cairo_gstate_t *gstate);
cairo_private void
_cairo_gstate_get_matrix (cairo_gstate_t *gstate, cairo_matrix_t *matrix);
cairo_private cairo_status_t
_cairo_gstate_translate (cairo_gstate_t *gstate, double tx, double ty);
cairo_private cairo_status_t
_cairo_gstate_scale (cairo_gstate_t *gstate, double sx, double sy);
cairo_private cairo_status_t
_cairo_gstate_rotate (cairo_gstate_t *gstate, double angle);
cairo_private cairo_status_t
_cairo_gstate_transform (cairo_gstate_t *gstate,
const cairo_matrix_t *matrix);
cairo_private cairo_status_t
_cairo_gstate_set_matrix (cairo_gstate_t *gstate,
const cairo_matrix_t *matrix);
cairo_private void
_cairo_gstate_identity_matrix (cairo_gstate_t *gstate);
cairo_private void
_cairo_gstate_user_to_device (cairo_gstate_t *gstate, double *x, double *y);
cairo_private void
_cairo_gstate_user_to_device_distance (cairo_gstate_t *gstate, double *dx, double *dy);
cairo_private void
_cairo_gstate_device_to_user (cairo_gstate_t *gstate, double *x, double *y);
cairo_private void
_cairo_gstate_device_to_user_distance (cairo_gstate_t *gstate, double *dx, double *dy);
cairo_private void
_do_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y);
static inline void
_cairo_gstate_user_to_backend (cairo_gstate_t *gstate, double *x, double *y)
{
if (! gstate->is_identity)
_do_cairo_gstate_user_to_backend (gstate, x, y);
}
cairo_private void
_do_cairo_gstate_user_to_backend_distance (cairo_gstate_t *gstate, double *x, double *y);
static inline void
_cairo_gstate_user_to_backend_distance (cairo_gstate_t *gstate, double *x, double *y)
{
if (! gstate->is_identity)
_do_cairo_gstate_user_to_backend_distance (gstate, x, y);
}
cairo_private void
_do_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y);
static inline void
_cairo_gstate_backend_to_user (cairo_gstate_t *gstate, double *x, double *y)
{
if (! gstate->is_identity)
_do_cairo_gstate_backend_to_user (gstate, x, y);
}
cairo_private void
_do_cairo_gstate_backend_to_user_distance (cairo_gstate_t *gstate, double *x, double *y);
static inline void
_cairo_gstate_backend_to_user_distance (cairo_gstate_t *gstate, double *x, double *y)
{
if (! gstate->is_identity)
_do_cairo_gstate_backend_to_user_distance (gstate, x, y);
}
cairo_private void
_cairo_gstate_backend_to_user_rectangle (cairo_gstate_t *gstate,
double *x1, double *y1,
double *x2, double *y2,
cairo_bool_t *is_tight);
cairo_private void
_cairo_gstate_path_extents (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double *x1, double *y1,
double *x2, double *y2);
cairo_private cairo_status_t
_cairo_gstate_paint (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_mask (cairo_gstate_t *gstate,
cairo_pattern_t *mask);
cairo_private cairo_status_t
_cairo_gstate_stroke (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_fill (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_copy_page (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_show_page (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_stroke_extents (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double *x1, double *y1,
double *x2, double *y2);
cairo_private cairo_status_t
_cairo_gstate_fill_extents (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double *x1, double *y1,
double *x2, double *y2);
cairo_private cairo_status_t
_cairo_gstate_in_stroke (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double x,
double y,
cairo_bool_t *inside_ret);
cairo_private cairo_bool_t
_cairo_gstate_in_fill (cairo_gstate_t *gstate,
cairo_path_fixed_t *path,
double x,
double y);
cairo_private cairo_bool_t
_cairo_gstate_in_clip (cairo_gstate_t *gstate,
double x,
double y);
cairo_private cairo_status_t
_cairo_gstate_clip (cairo_gstate_t *gstate, cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_reset_clip (cairo_gstate_t *gstate);
cairo_private cairo_bool_t
_cairo_gstate_clip_extents (cairo_gstate_t *gstate,
double *x1,
double *y1,
double *x2,
double *y2);
cairo_private cairo_rectangle_list_t*
_cairo_gstate_copy_clip_rectangle_list (cairo_gstate_t *gstate);
cairo_private cairo_status_t
_cairo_gstate_show_surface (cairo_gstate_t *gstate,
cairo_surface_t *surface,
double x,
double y,
double width,
double height);
cairo_private cairo_status_t
_cairo_gstate_tag_begin (cairo_gstate_t *gstate,
const char *tag_name,
const char *attributes);
cairo_private cairo_status_t
_cairo_gstate_tag_end (cairo_gstate_t *gstate,
const char *tag_name);
cairo_private cairo_status_t
_cairo_gstate_set_font_size (cairo_gstate_t *gstate,
double size);
cairo_private void
_cairo_gstate_get_font_matrix (cairo_gstate_t *gstate,
cairo_matrix_t *matrix);
cairo_private cairo_status_t
_cairo_gstate_set_font_matrix (cairo_gstate_t *gstate,
const cairo_matrix_t *matrix);
cairo_private void
_cairo_gstate_get_font_options (cairo_gstate_t *gstate,
cairo_font_options_t *options);
cairo_private void
_cairo_gstate_set_font_options (cairo_gstate_t *gstate,
const cairo_font_options_t *options);
cairo_private cairo_status_t
_cairo_gstate_get_font_face (cairo_gstate_t *gstate,
cairo_font_face_t **font_face);
cairo_private cairo_status_t
_cairo_gstate_get_scaled_font (cairo_gstate_t *gstate,
cairo_scaled_font_t **scaled_font);
cairo_private cairo_status_t
_cairo_gstate_get_font_extents (cairo_gstate_t *gstate,
cairo_font_extents_t *extents);
cairo_private cairo_status_t
_cairo_gstate_set_font_face (cairo_gstate_t *gstate,
cairo_font_face_t *font_face);
cairo_private cairo_status_t
_cairo_gstate_glyph_extents (cairo_gstate_t *gstate,
const cairo_glyph_t *glyphs,
int num_glyphs,
cairo_text_extents_t *extents);
cairo_private cairo_status_t
_cairo_gstate_show_text_glyphs (cairo_gstate_t *gstate,
const cairo_glyph_t *glyphs,
int num_glyphs,
cairo_glyph_text_info_t *info);
cairo_private cairo_status_t
_cairo_gstate_glyph_path (cairo_gstate_t *gstate,
const cairo_glyph_t *glyphs,
int num_glyphs,
cairo_path_fixed_t *path);
cairo_private cairo_status_t
_cairo_gstate_set_antialias (cairo_gstate_t *gstate,
cairo_antialias_t antialias);
cairo_private cairo_antialias_t
_cairo_gstate_get_antialias (cairo_gstate_t *gstate);
#endif /* CAIRO_GSTATE_PRIVATE_H */