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Diffstat (limited to 'libs/cairo-1.16.0/src/cairo-composite-rectangles-private.h')
| -rw-r--r-- | libs/cairo-1.16.0/src/cairo-composite-rectangles-private.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/src/cairo-composite-rectangles-private.h b/libs/cairo-1.16.0/src/cairo-composite-rectangles-private.h new file mode 100644 index 0000000..fd77289 --- /dev/null +++ b/libs/cairo-1.16.0/src/cairo-composite-rectangles-private.h @@ -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> + */ + +#ifndef CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H +#define CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H + +#include "cairo-types-private.h" +#include "cairo-error-private.h" +#include "cairo-pattern-private.h" + +CAIRO_BEGIN_DECLS + +/* 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; + + cairo_rectangle_int_t source; + cairo_rectangle_int_t mask; + cairo_rectangle_int_t destination; + + cairo_rectangle_int_t bounded; /* source? IN mask? IN unbounded */ + cairo_rectangle_int_t unbounded; /* destination IN clip */ + uint32_t is_bounded; + + cairo_rectangle_int_t source_sample_area; + cairo_rectangle_int_t mask_sample_area; + + 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; + + cairo_clip_t *clip; /* clip will be reduced to the minimal container */ +}; + +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); + +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); + +cairo_private cairo_int_status_t +_cairo_composite_rectangles_intersect_source_extents (cairo_composite_rectangles_t *extents, + const cairo_box_t *box); + +cairo_private cairo_int_status_t +_cairo_composite_rectangles_intersect_mask_extents (cairo_composite_rectangles_t *extents, + const cairo_box_t *box); + +cairo_private cairo_bool_t +_cairo_composite_rectangles_can_reduce_clip (cairo_composite_rectangles_t *composite, + cairo_clip_t *clip); + +cairo_private cairo_int_status_t +_cairo_composite_rectangles_add_to_damage (cairo_composite_rectangles_t *composite, + cairo_boxes_t *damage); + +cairo_private void +_cairo_composite_rectangles_fini (cairo_composite_rectangles_t *extents); + +CAIRO_END_DECLS + +#endif /* CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H */ |