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| 1 /* | |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "sky/engine/web/WebFontImpl.h" | |
| 32 | |
| 33 #include "skia/ext/platform_canvas.h" | |
| 34 #include "sky/engine/platform/fonts/FontCache.h" | |
| 35 #include "sky/engine/platform/fonts/FontDescription.h" | |
| 36 #include "sky/engine/platform/graphics/GraphicsContext.h" | |
| 37 #include "sky/engine/platform/text/TextRun.h" | |
| 38 #include "sky/engine/public/platform/WebFloatPoint.h" | |
| 39 #include "sky/engine/public/platform/WebFloatRect.h" | |
| 40 #include "sky/engine/public/platform/WebRect.h" | |
| 41 #include "sky/engine/public/web/WebFontDescription.h" | |
| 42 #include "sky/engine/public/web/WebTextRun.h" | |
| 43 | |
| 44 namespace blink { | |
| 45 | |
| 46 WebFont* WebFont::create(const WebFontDescription& desc) | |
| 47 { | |
| 48 return new WebFontImpl(desc); | |
| 49 } | |
| 50 | |
| 51 WebFontImpl::WebFontImpl(const FontDescription& desc) | |
| 52 : m_font(desc) | |
| 53 { | |
| 54 m_font.update(nullptr); | |
| 55 } | |
| 56 | |
| 57 WebFontDescription WebFontImpl::fontDescription() const | |
| 58 { | |
| 59 return WebFontDescription(m_font.fontDescription()); | |
| 60 } | |
| 61 | |
| 62 int WebFontImpl::ascent() const | |
| 63 { | |
| 64 return m_font.fontMetrics().ascent(); | |
| 65 } | |
| 66 | |
| 67 int WebFontImpl::descent() const | |
| 68 { | |
| 69 return m_font.fontMetrics().descent(); | |
| 70 } | |
| 71 | |
| 72 int WebFontImpl::height() const | |
| 73 { | |
| 74 return m_font.fontMetrics().height(); | |
| 75 } | |
| 76 | |
| 77 int WebFontImpl::lineSpacing() const | |
| 78 { | |
| 79 return m_font.fontMetrics().lineSpacing(); | |
| 80 } | |
| 81 | |
| 82 float WebFontImpl::xHeight() const | |
| 83 { | |
| 84 return m_font.fontMetrics().xHeight(); | |
| 85 } | |
| 86 | |
| 87 void WebFontImpl::drawText(WebCanvas* canvas, const WebTextRun& run, const WebFl
oatPoint& leftBaseline, | |
| 88 WebColor color, const WebRect& clip, bool canvasIsOpa
que, | |
| 89 int from, int to) const | |
| 90 { | |
| 91 FontCachePurgePreventer fontCachePurgePreventer; | |
| 92 FloatRect textClipRect(clip); | |
| 93 TextRun textRun(run); | |
| 94 TextRunPaintInfo runInfo(textRun); | |
| 95 runInfo.from = from; | |
| 96 runInfo.to = to == -1 ? textRun.length() : to; | |
| 97 runInfo.bounds = textClipRect; | |
| 98 GraphicsContext gc(canvas); | |
| 99 | |
| 100 gc.save(); | |
| 101 gc.setCertainlyOpaque(canvasIsOpaque); | |
| 102 gc.setFillColor(color); | |
| 103 gc.clip(textClipRect); | |
| 104 m_font.drawText(&gc, runInfo, leftBaseline); | |
| 105 gc.restore(); | |
| 106 } | |
| 107 | |
| 108 int WebFontImpl::calculateWidth(const WebTextRun& run) const | |
| 109 { | |
| 110 FontCachePurgePreventer fontCachePurgePreventer; | |
| 111 return m_font.width(run, 0); | |
| 112 } | |
| 113 | |
| 114 int WebFontImpl::offsetForPosition(const WebTextRun& run, float position) const | |
| 115 { | |
| 116 FontCachePurgePreventer fontCachePurgePreventer; | |
| 117 return m_font.offsetForPosition(run, position, true); | |
| 118 } | |
| 119 | |
| 120 WebFloatRect WebFontImpl::selectionRectForText(const WebTextRun& run, const WebF
loatPoint& leftBaseline, int height, int from, int to) const | |
| 121 { | |
| 122 FontCachePurgePreventer fontCachePurgePreventer; | |
| 123 return m_font.selectionRectForText(run, leftBaseline, height, from, to); | |
| 124 } | |
| 125 | |
| 126 } // namespace blink | |
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Chromium Code Reviews
Issue 1210153009:
Remove (almost all of) //sky/engine/web (Closed)
Base URL: git@github.com:domokit/mojo.git@master