0,0 → 1,159 |
/* cairo - a vector graphics library with display and print output |
* |
* Copyright © 2009 Intel Corporation |
* |
* 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): |
* Chris Wilson <chris@chris-wilson.co.u> |
*/ |
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#ifndef CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H |
#define CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H |
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#include "cairo-types-private.h" |
#include "cairo-error-private.h" |
#include "cairo-pattern-private.h" |
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CAIRO_BEGIN_DECLS |
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/* Rectangles that take part in a composite operation. |
* |
* The source and mask track the extents of the respective patterns in device |
* space. The unbounded rectangle is essentially the clip rectangle. And the |
* intersection of all is the bounded rectangle, which is the minimum extents |
* the operation may require. Whether or not the operation is actually bounded |
* is tracked in the is_bounded boolean. |
* |
*/ |
struct _cairo_composite_rectangles { |
cairo_surface_t *surface; |
cairo_operator_t op; |
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cairo_rectangle_int_t source; |
cairo_rectangle_int_t mask; |
cairo_rectangle_int_t destination; |
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cairo_rectangle_int_t bounded; /* source? IN mask? IN unbounded */ |
cairo_rectangle_int_t unbounded; /* destination IN clip */ |
uint32_t is_bounded; |
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cairo_rectangle_int_t source_sample_area; |
cairo_rectangle_int_t mask_sample_area; |
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cairo_pattern_union_t source_pattern; |
cairo_pattern_union_t mask_pattern; |
const cairo_pattern_t *original_source_pattern; |
const cairo_pattern_t *original_mask_pattern; |
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cairo_clip_t *clip; /* clip will be reduced to the minimal container */ |
}; |
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cairo_private cairo_int_status_t |
_cairo_composite_rectangles_init_for_paint (cairo_composite_rectangles_t *extents, |
cairo_surface_t *surface, |
cairo_operator_t op, |
const cairo_pattern_t *source, |
const cairo_clip_t *clip); |
|
cairo_private cairo_int_status_t |
_cairo_composite_rectangles_init_for_mask (cairo_composite_rectangles_t *extents, |
cairo_surface_t *surface, |
cairo_operator_t op, |
const cairo_pattern_t *source, |
const cairo_pattern_t *mask, |
const cairo_clip_t *clip); |
|
cairo_private cairo_int_status_t |
_cairo_composite_rectangles_init_for_stroke (cairo_composite_rectangles_t *extents, |
cairo_surface_t *surface, |
cairo_operator_t op, |
const cairo_pattern_t *source, |
const cairo_path_fixed_t *path, |
const cairo_stroke_style_t *style, |
const cairo_matrix_t *ctm, |
const cairo_clip_t *clip); |
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cairo_private cairo_int_status_t |
_cairo_composite_rectangles_init_for_fill (cairo_composite_rectangles_t *extents, |
cairo_surface_t *surface, |
cairo_operator_t op, |
const cairo_pattern_t *source, |
const cairo_path_fixed_t *path, |
const cairo_clip_t *clip); |
|
cairo_private cairo_int_status_t |
_cairo_composite_rectangles_init_for_boxes (cairo_composite_rectangles_t *extents, |
cairo_surface_t *surface, |
cairo_operator_t op, |
const cairo_pattern_t *source, |
const cairo_boxes_t *boxes, |
const cairo_clip_t *clip); |
|
cairo_private cairo_int_status_t |
_cairo_composite_rectangles_init_for_polygon (cairo_composite_rectangles_t *extents, |
cairo_surface_t *surface, |
cairo_operator_t op, |
const cairo_pattern_t *source, |
const cairo_polygon_t *polygon, |
const cairo_clip_t *clip); |
|
cairo_private cairo_int_status_t |
_cairo_composite_rectangles_init_for_glyphs (cairo_composite_rectangles_t *extents, |
cairo_surface_t *surface, |
cairo_operator_t op, |
const cairo_pattern_t *source, |
cairo_scaled_font_t *scaled_font, |
cairo_glyph_t *glyphs, |
int num_glyphs, |
const cairo_clip_t *clip, |
cairo_bool_t *overlap); |
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cairo_private cairo_int_status_t |
_cairo_composite_rectangles_intersect_source_extents (cairo_composite_rectangles_t *extents, |
const cairo_box_t *box); |
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cairo_private cairo_int_status_t |
_cairo_composite_rectangles_intersect_mask_extents (cairo_composite_rectangles_t *extents, |
const cairo_box_t *box); |
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cairo_private cairo_bool_t |
_cairo_composite_rectangles_can_reduce_clip (cairo_composite_rectangles_t *composite, |
cairo_clip_t *clip); |
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cairo_private cairo_int_status_t |
_cairo_composite_rectangles_add_to_damage (cairo_composite_rectangles_t *composite, |
cairo_boxes_t *damage); |
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cairo_private void |
_cairo_composite_rectangles_fini (cairo_composite_rectangles_t *extents); |
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CAIRO_END_DECLS |
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#endif /* CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H */ |