| File: | root/firefox-clang/gfx/cairo/cairo/src/cairo-fallback-compositor.c |
| Warning: | line 166, column 5 Value stored to 'status' is never read |
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| 1 | /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */ |
| 2 | /* cairo - a vector graphics library with display and print output |
| 3 | * |
| 4 | * Copyright © 2002 University of Southern California |
| 5 | * Copyright © 2005 Red Hat, Inc. |
| 6 | * Copyright © 2011 Intel Corporation |
| 7 | * |
| 8 | * This library is free software; you can redistribute it and/or |
| 9 | * modify it either under the terms of the GNU Lesser General Public |
| 10 | * License version 2.1 as published by the Free Software Foundation |
| 11 | * (the "LGPL") or, at your option, under the terms of the Mozilla |
| 12 | * Public License Version 1.1 (the "MPL"). If you do not alter this |
| 13 | * notice, a recipient may use your version of this file under either |
| 14 | * the MPL or the LGPL. |
| 15 | * |
| 16 | * You should have received a copy of the LGPL along with this library |
| 17 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA |
| 19 | * You should have received a copy of the MPL along with this library |
| 20 | * in the file COPYING-MPL-1.1 |
| 21 | * |
| 22 | * The contents of this file are subject to the Mozilla Public License |
| 23 | * Version 1.1 (the "License"); you may not use this file except in |
| 24 | * compliance with the License. You may obtain a copy of the License at |
| 25 | * http://www.mozilla.org/MPL/ |
| 26 | * |
| 27 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
| 28 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
| 29 | * the specific language governing rights and limitations. |
| 30 | * |
| 31 | * The Original Code is the cairo graphics library. |
| 32 | * |
| 33 | * The Initial Developer of the Original Code is University of Southern |
| 34 | * California. |
| 35 | * |
| 36 | * Contributor(s): |
| 37 | * Carl D. Worth <cworth@cworth.org> |
| 38 | * Joonas Pihlaja <jpihlaja@cc.helsinki.fi> |
| 39 | * Chris Wilson <chris@chris-wilson.co.uk> |
| 40 | */ |
| 41 | |
| 42 | #include "cairoint.h" |
| 43 | |
| 44 | #include "cairo-compositor-private.h" |
| 45 | #include "cairo-image-surface-private.h" |
| 46 | #include "cairo-surface-offset-private.h" |
| 47 | |
| 48 | /* high-level compositor interface */ |
| 49 | |
| 50 | static cairo_int_status_t |
| 51 | _cairo_fallback_compositor_paint (const cairo_compositor_t *_compositor, |
| 52 | cairo_composite_rectangles_t *extents) |
| 53 | { |
| 54 | cairo_image_surface_t *image; |
| 55 | cairo_int_status_t status; |
| 56 | |
| 57 | TRACE ((stderr, "%s\n", __FUNCTION__)); |
| 58 | |
| 59 | image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded); |
| 60 | |
| 61 | status = _cairo_surface_offset_paint (&image->base, |
| 62 | extents->unbounded.x, |
| 63 | extents->unbounded.y, |
| 64 | extents->op, |
| 65 | &extents->source_pattern.base, |
| 66 | extents->clip); |
| 67 | |
| 68 | return _cairo_surface_unmap_image (extents->surface, image); |
| 69 | } |
| 70 | |
| 71 | static cairo_int_status_t |
| 72 | _cairo_fallback_compositor_mask (const cairo_compositor_t *_compositor, |
| 73 | cairo_composite_rectangles_t *extents) |
| 74 | { |
| 75 | cairo_image_surface_t *image; |
| 76 | cairo_int_status_t status; |
| 77 | |
| 78 | TRACE ((stderr, "%s\n", __FUNCTION__)); |
| 79 | |
| 80 | image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded); |
| 81 | |
| 82 | status = _cairo_surface_offset_mask (&image->base, |
| 83 | extents->unbounded.x, |
| 84 | extents->unbounded.y, |
| 85 | extents->op, |
| 86 | &extents->source_pattern.base, |
| 87 | &extents->mask_pattern.base, |
| 88 | extents->clip); |
| 89 | |
| 90 | return _cairo_surface_unmap_image (extents->surface, image); |
| 91 | } |
| 92 | |
| 93 | static cairo_int_status_t |
| 94 | _cairo_fallback_compositor_stroke (const cairo_compositor_t *_compositor, |
| 95 | cairo_composite_rectangles_t *extents, |
| 96 | const cairo_path_fixed_t *path, |
| 97 | const cairo_stroke_style_t *style, |
| 98 | const cairo_matrix_t *ctm, |
| 99 | const cairo_matrix_t *ctm_inverse, |
| 100 | double tolerance, |
| 101 | cairo_antialias_t antialias) |
| 102 | { |
| 103 | cairo_image_surface_t *image; |
| 104 | cairo_int_status_t status; |
| 105 | |
| 106 | TRACE ((stderr, "%s\n", __FUNCTION__)); |
| 107 | |
| 108 | image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded); |
| 109 | |
| 110 | status = _cairo_surface_offset_stroke (&image->base, |
| 111 | extents->unbounded.x, |
| 112 | extents->unbounded.y, |
| 113 | extents->op, |
| 114 | &extents->source_pattern.base, |
| 115 | path, style, |
| 116 | ctm, ctm_inverse, |
| 117 | tolerance, |
| 118 | antialias, |
| 119 | extents->clip); |
| 120 | |
| 121 | return _cairo_surface_unmap_image (extents->surface, image); |
| 122 | } |
| 123 | |
| 124 | static cairo_int_status_t |
| 125 | _cairo_fallback_compositor_fill (const cairo_compositor_t *_compositor, |
| 126 | cairo_composite_rectangles_t *extents, |
| 127 | const cairo_path_fixed_t *path, |
| 128 | cairo_fill_rule_t fill_rule, |
| 129 | double tolerance, |
| 130 | cairo_antialias_t antialias) |
| 131 | { |
| 132 | cairo_image_surface_t *image; |
| 133 | cairo_int_status_t status; |
| 134 | |
| 135 | TRACE ((stderr, "%s\n", __FUNCTION__)); |
| 136 | |
| 137 | image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded); |
| 138 | |
| 139 | status = _cairo_surface_offset_fill (&image->base, |
| 140 | extents->unbounded.x, |
| 141 | extents->unbounded.y, |
| 142 | extents->op, |
| 143 | &extents->source_pattern.base, |
| 144 | path, |
| 145 | fill_rule, tolerance, antialias, |
| 146 | extents->clip); |
| 147 | |
| 148 | return _cairo_surface_unmap_image (extents->surface, image); |
| 149 | } |
| 150 | |
| 151 | static cairo_int_status_t |
| 152 | _cairo_fallback_compositor_glyphs (const cairo_compositor_t *_compositor, |
| 153 | cairo_composite_rectangles_t *extents, |
| 154 | cairo_scaled_font_t *scaled_font, |
| 155 | cairo_glyph_t *glyphs, |
| 156 | int num_glyphs, |
| 157 | cairo_bool_t overlap) |
| 158 | { |
| 159 | cairo_image_surface_t *image; |
| 160 | cairo_int_status_t status; |
| 161 | |
| 162 | TRACE ((stderr, "%s\n", __FUNCTION__)); |
| 163 | |
| 164 | image = _cairo_surface_map_to_image (extents->surface, &extents->unbounded); |
| 165 | |
| 166 | status = _cairo_surface_offset_glyphs (&image->base, |
Value stored to 'status' is never read | |
| 167 | extents->unbounded.x, |
| 168 | extents->unbounded.y, |
| 169 | extents->op, |
| 170 | &extents->source_pattern.base, |
| 171 | scaled_font, glyphs, num_glyphs, |
| 172 | extents->clip); |
| 173 | |
| 174 | return _cairo_surface_unmap_image (extents->surface, image); |
| 175 | } |
| 176 | |
| 177 | const cairo_compositor_t _cairo_fallback_compositor = { |
| 178 | &__cairo_no_compositor, |
| 179 | |
| 180 | _cairo_fallback_compositor_paint, |
| 181 | _cairo_fallback_compositor_mask, |
| 182 | _cairo_fallback_compositor_stroke, |
| 183 | _cairo_fallback_compositor_fill, |
| 184 | _cairo_fallback_compositor_glyphs, |
| 185 | }; |