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| 1 /* | |
| 2 * Copyright (C) 2012 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 | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 23 */ | |
| 24 | |
| 25 #include "config.h" | |
| 26 | |
| 27 #include "core/platform/graphics/chromium/OpaqueRectTrackingContentLayerDelegate
.h" | |
| 28 | |
| 29 #include "core/platform/graphics/GraphicsContext.h" | |
| 30 #include "platform/EventTracer.h" | |
| 31 #include "platform/geometry/IntRect.h" | |
| 32 #include "platform/transforms/AffineTransform.h" | |
| 33 #include "public/platform/WebFloatRect.h" | |
| 34 #include "public/platform/WebRect.h" | |
| 35 | |
| 36 using blink::WebFloatRect; | |
| 37 using blink::WebRect; | |
| 38 | |
| 39 namespace WebCore { | |
| 40 | |
| 41 OpaqueRectTrackingContentLayerDelegate::OpaqueRectTrackingContentLayerDelegate(G
raphicsContextPainter* painter) | |
| 42 : m_painter(painter) | |
| 43 , m_opaque(false) | |
| 44 { | |
| 45 } | |
| 46 | |
| 47 OpaqueRectTrackingContentLayerDelegate::~OpaqueRectTrackingContentLayerDelegate(
) | |
| 48 { | |
| 49 } | |
| 50 | |
| 51 void OpaqueRectTrackingContentLayerDelegate::paintContents(SkCanvas* canvas, con
st WebRect& clip, bool canPaintLCDText, WebFloatRect& opaque) | |
| 52 { | |
| 53 static const unsigned char* annotationsEnabled = 0; | |
| 54 if (UNLIKELY(!annotationsEnabled)) | |
| 55 annotationsEnabled = EventTracer::getTraceCategoryEnabledFlag(TRACE_DISA
BLED_BY_DEFAULT("blink.graphics_context_annotations")); | |
| 56 | |
| 57 GraphicsContext context(canvas); | |
| 58 context.setTrackOpaqueRegion(!m_opaque); | |
| 59 context.setCertainlyOpaque(m_opaque); | |
| 60 context.setShouldSmoothFonts(canPaintLCDText); | |
| 61 | |
| 62 if (*annotationsEnabled) | |
| 63 context.setAnnotationMode(AnnotateAll); | |
| 64 | |
| 65 // Record transform prior to painting, as all opaque tracking will be | |
| 66 // relative to this current value. | |
| 67 AffineTransform canvasToContentTransform = context.getCTM().inverse(); | |
| 68 | |
| 69 m_painter->paint(context, clip); | |
| 70 | |
| 71 // Transform tracked opaque paints back to our layer's content space. | |
| 72 ASSERT(canvasToContentTransform.isInvertible()); | |
| 73 ASSERT(canvasToContentTransform.preservesAxisAlignment()); | |
| 74 opaque = canvasToContentTransform.mapRect(context.opaqueRegion().asRect()); | |
| 75 } | |
| 76 | |
| 77 } | |
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Chromium Code Reviews
Issue 26679003:
Move platform/graphics/chromium/* to platform/graphics/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master