forked from KolibriOS/kolibrios
269 lines
8.1 KiB
C
269 lines
8.1 KiB
C
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/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
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/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2011 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is University of Southern
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* California.
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*
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* Contributor(s):
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* Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairoint.h"
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#include "cairo-compositor-private.h"
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#include "cairo-damage-private.h"
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#include "cairo-error-private.h"
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cairo_int_status_t
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_cairo_compositor_paint (const cairo_compositor_t *compositor,
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cairo_surface_t *surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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const cairo_clip_t *clip)
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{
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cairo_composite_rectangles_t extents;
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cairo_int_status_t status;
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TRACE ((stderr, "%s\n", __FUNCTION__));
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status = _cairo_composite_rectangles_init_for_paint (&extents, surface,
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op, source,
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clip);
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if (unlikely (status))
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return status;
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do {
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while (compositor->paint == NULL)
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compositor = compositor->delegate;
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status = compositor->paint (compositor, &extents);
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compositor = compositor->delegate;
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} while (status == CAIRO_INT_STATUS_UNSUPPORTED);
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if (status == CAIRO_INT_STATUS_SUCCESS && surface->damage) {
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TRACE ((stderr, "%s: applying damage (%d,%d)x(%d, %d)\n",
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__FUNCTION__,
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extents.unbounded.x, extents.unbounded.y,
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extents.unbounded.width, extents.unbounded.height));
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surface->damage = _cairo_damage_add_rectangle (surface->damage,
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&extents.unbounded);
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}
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_cairo_composite_rectangles_fini (&extents);
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return status;
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}
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cairo_int_status_t
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_cairo_compositor_mask (const cairo_compositor_t *compositor,
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cairo_surface_t *surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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const cairo_pattern_t *mask,
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const cairo_clip_t *clip)
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{
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cairo_composite_rectangles_t extents;
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cairo_int_status_t status;
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TRACE ((stderr, "%s\n", __FUNCTION__));
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status = _cairo_composite_rectangles_init_for_mask (&extents, surface,
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op, source, mask,
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clip);
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if (unlikely (status))
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return status;
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do {
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while (compositor->mask == NULL)
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compositor = compositor->delegate;
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status = compositor->mask (compositor, &extents);
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compositor = compositor->delegate;
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} while (status == CAIRO_INT_STATUS_UNSUPPORTED);
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if (status == CAIRO_INT_STATUS_SUCCESS && surface->damage) {
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TRACE ((stderr, "%s: applying damage (%d,%d)x(%d, %d)\n",
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__FUNCTION__,
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extents.unbounded.x, extents.unbounded.y,
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extents.unbounded.width, extents.unbounded.height));
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surface->damage = _cairo_damage_add_rectangle (surface->damage,
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&extents.unbounded);
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}
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_cairo_composite_rectangles_fini (&extents);
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return status;
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}
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cairo_int_status_t
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_cairo_compositor_stroke (const cairo_compositor_t *compositor,
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cairo_surface_t *surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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const cairo_path_fixed_t *path,
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const cairo_stroke_style_t *style,
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const cairo_matrix_t *ctm,
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const cairo_matrix_t *ctm_inverse,
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double tolerance,
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cairo_antialias_t antialias,
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const cairo_clip_t *clip)
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{
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cairo_composite_rectangles_t extents;
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cairo_int_status_t status;
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TRACE ((stderr, "%s\n", __FUNCTION__));
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if (_cairo_pen_vertices_needed (tolerance, style->line_width/2, ctm) <= 1)
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return CAIRO_INT_STATUS_NOTHING_TO_DO;
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status = _cairo_composite_rectangles_init_for_stroke (&extents, surface,
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op, source,
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path, style, ctm,
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clip);
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if (unlikely (status))
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return status;
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do {
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while (compositor->stroke == NULL)
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compositor = compositor->delegate;
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status = compositor->stroke (compositor, &extents,
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path, style, ctm, ctm_inverse,
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tolerance, antialias);
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compositor = compositor->delegate;
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} while (status == CAIRO_INT_STATUS_UNSUPPORTED);
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if (status == CAIRO_INT_STATUS_SUCCESS && surface->damage) {
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TRACE ((stderr, "%s: applying damage (%d,%d)x(%d, %d)\n",
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__FUNCTION__,
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extents.unbounded.x, extents.unbounded.y,
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extents.unbounded.width, extents.unbounded.height));
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surface->damage = _cairo_damage_add_rectangle (surface->damage,
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&extents.unbounded);
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}
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_cairo_composite_rectangles_fini (&extents);
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return status;
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}
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cairo_int_status_t
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_cairo_compositor_fill (const cairo_compositor_t *compositor,
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cairo_surface_t *surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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const cairo_path_fixed_t *path,
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cairo_fill_rule_t fill_rule,
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double tolerance,
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cairo_antialias_t antialias,
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const cairo_clip_t *clip)
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{
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cairo_composite_rectangles_t extents;
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cairo_int_status_t status;
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TRACE ((stderr, "%s\n", __FUNCTION__));
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status = _cairo_composite_rectangles_init_for_fill (&extents, surface,
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op, source, path,
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clip);
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if (unlikely (status))
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return status;
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do {
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while (compositor->fill == NULL)
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compositor = compositor->delegate;
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status = compositor->fill (compositor, &extents,
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path, fill_rule, tolerance, antialias);
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compositor = compositor->delegate;
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} while (status == CAIRO_INT_STATUS_UNSUPPORTED);
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if (status == CAIRO_INT_STATUS_SUCCESS && surface->damage) {
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TRACE ((stderr, "%s: applying damage (%d,%d)x(%d, %d)\n",
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__FUNCTION__,
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extents.unbounded.x, extents.unbounded.y,
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extents.unbounded.width, extents.unbounded.height));
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surface->damage = _cairo_damage_add_rectangle (surface->damage,
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&extents.unbounded);
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}
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_cairo_composite_rectangles_fini (&extents);
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return status;
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}
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cairo_int_status_t
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_cairo_compositor_glyphs (const cairo_compositor_t *compositor,
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cairo_surface_t *surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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cairo_glyph_t *glyphs,
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int num_glyphs,
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cairo_scaled_font_t *scaled_font,
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const cairo_clip_t *clip)
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{
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cairo_composite_rectangles_t extents;
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cairo_bool_t overlap;
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cairo_int_status_t status;
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TRACE ((stderr, "%s\n", __FUNCTION__));
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status = _cairo_composite_rectangles_init_for_glyphs (&extents, surface,
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op, source,
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scaled_font,
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glyphs, num_glyphs,
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clip, &overlap);
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if (unlikely (status))
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return status;
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do {
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while (compositor->glyphs == NULL)
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compositor = compositor->delegate;
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status = compositor->glyphs (compositor, &extents,
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scaled_font, glyphs, num_glyphs, overlap);
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compositor = compositor->delegate;
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} while (status == CAIRO_INT_STATUS_UNSUPPORTED);
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if (status == CAIRO_INT_STATUS_SUCCESS && surface->damage) {
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TRACE ((stderr, "%s: applying damage (%d,%d)x(%d, %d)\n",
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__FUNCTION__,
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extents.unbounded.x, extents.unbounded.y,
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extents.unbounded.width, extents.unbounded.height));
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surface->damage = _cairo_damage_add_rectangle (surface->damage,
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&extents.unbounded);
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}
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_cairo_composite_rectangles_fini (&extents);
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return status;
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}
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