Mypal/gfx/cairo/cairo/src/cairo-clip-private.h
2019-12-25 15:45:20 +03:00

121 lines
3.3 KiB
C

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef CAIRO_CLIP_PRIVATE_H
#define CAIRO_CLIP_PRIVATE_H
#include "cairo-types-private.h"
#include "cairo-compiler-private.h"
#include "cairo-path-fixed-private.h"
#include "cairo-reference-count-private.h"
extern const cairo_private cairo_rectangle_list_t _cairo_rectangles_nil;
enum {
CAIRO_CLIP_PATH_HAS_REGION = 0x1,
CAIRO_CLIP_PATH_REGION_IS_UNSUPPORTED = 0x2,
CAIRO_CLIP_PATH_IS_BOX = 0x4
};
struct _cairo_clip_path {
cairo_reference_count_t ref_count;
cairo_path_fixed_t path;
cairo_fill_rule_t fill_rule;
double tolerance;
cairo_antialias_t antialias;
cairo_clip_path_t *prev;
cairo_rectangle_int_t extents;
/* partial caches */
unsigned int flags;
cairo_region_t *region;
cairo_surface_t *surface;
};
struct _cairo_clip {
/* can be used as a cairo_hash_entry_t for live clips */
cairo_clip_path_t *path;
cairo_bool_t all_clipped;
};
cairo_private void
_cairo_clip_init (cairo_clip_t *clip);
cairo_private_no_warn cairo_clip_t *
_cairo_clip_init_copy (cairo_clip_t *clip, cairo_clip_t *other);
cairo_private cairo_status_t
_cairo_clip_init_copy_transformed (cairo_clip_t *clip,
cairo_clip_t *other,
const cairo_matrix_t *matrix);
cairo_private void
_cairo_clip_reset (cairo_clip_t *clip);
cairo_private cairo_bool_t
_cairo_clip_equal (const cairo_clip_t *clip_a,
const cairo_clip_t *clip_b);
#define _cairo_clip_fini(clip) _cairo_clip_reset (clip)
cairo_private cairo_status_t
_cairo_clip_rectangle (cairo_clip_t *clip,
const cairo_rectangle_int_t *rectangle);
cairo_private cairo_status_t
_cairo_clip_clip (cairo_clip_t *clip,
const cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias);
cairo_private cairo_status_t
_cairo_clip_apply_clip (cairo_clip_t *clip,
const cairo_clip_t *other);
cairo_private const cairo_rectangle_int_t *
_cairo_clip_get_extents (const cairo_clip_t *clip);
cairo_private cairo_surface_t *
_cairo_clip_get_surface (cairo_clip_t *clip, cairo_surface_t *dst, int *tx, int *ty);
cairo_private cairo_status_t
_cairo_clip_combine_with_surface (cairo_clip_t *clip,
cairo_surface_t *dst,
int dst_x, int dst_y);
cairo_private cairo_int_status_t
_cairo_clip_get_region (cairo_clip_t *clip,
cairo_region_t **region);
cairo_private cairo_int_status_t
_cairo_clip_get_boxes (cairo_clip_t *clip,
cairo_box_t **boxes,
int *count);
cairo_private cairo_status_t
_cairo_clip_to_boxes (cairo_clip_t **clip,
cairo_composite_rectangles_t *extents,
cairo_box_t **boxes,
int *num_boxes);
cairo_private cairo_bool_t
_cairo_clip_contains_rectangle (cairo_clip_t *clip,
const cairo_rectangle_int_t *rect);
cairo_private cairo_bool_t
_cairo_clip_contains_extents (cairo_clip_t *clip,
const cairo_composite_rectangles_t *extents);
cairo_private void
_cairo_clip_drop_cache (cairo_clip_t *clip);
cairo_private cairo_rectangle_list_t*
_cairo_clip_copy_rectangle_list (cairo_clip_t *clip, cairo_gstate_t *gstate);
#endif /* CAIRO_CLIP_PRIVATE_H */