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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/paint/ImagePainter.h" | 5 #include "core/paint/ImagePainter.h" |
6 | 6 |
7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" |
8 #include "core/dom/Element.h" | 8 #include "core/dom/Element.h" |
9 #include "core/editing/FrameSelection.h" | 9 #include "core/editing/FrameSelection.h" |
10 #include "core/frame/LocalFrame.h" | 10 #include "core/frame/LocalFrame.h" |
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39 return; | 39 return; |
40 | 40 |
41 Element* focusedElement = document.focusedElement(); | 41 Element* focusedElement = document.focusedElement(); |
42 if (!isHTMLAreaElement(focusedElement)) | 42 if (!isHTMLAreaElement(focusedElement)) |
43 return; | 43 return; |
44 | 44 |
45 HTMLAreaElement& areaElement = toHTMLAreaElement(*focusedElement); | 45 HTMLAreaElement& areaElement = toHTMLAreaElement(*focusedElement); |
46 if (areaElement.imageElement() != m_layoutImage.node()) | 46 if (areaElement.imageElement() != m_layoutImage.node()) |
47 return; | 47 return; |
48 | 48 |
49 // Even if the theme handles focus ring drawing for entire elements, it won't
do it for | 49 // Even if the theme handles focus ring drawing for entire elements, it won't |
50 // an area within an image, so we don't call LayoutTheme::themeDrawsFocusRing
here. | 50 // do it for an area within an image, so we don't call |
| 51 // LayoutTheme::themeDrawsFocusRing here. |
51 | 52 |
52 const ComputedStyle& areaElementStyle = *areaElement.ensureComputedStyle(); | 53 const ComputedStyle& areaElementStyle = *areaElement.ensureComputedStyle(); |
53 int outlineWidth = areaElementStyle.outlineWidth(); | 54 int outlineWidth = areaElementStyle.outlineWidth(); |
54 if (!outlineWidth) | 55 if (!outlineWidth) |
55 return; | 56 return; |
56 | 57 |
57 Path path = areaElement.getPath(&m_layoutImage); | 58 Path path = areaElement.getPath(&m_layoutImage); |
58 if (path.isEmpty()) | 59 if (path.isEmpty()) |
59 return; | 60 return; |
60 | 61 |
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125 paintInfo.phase, contentRect); | 126 paintInfo.phase, contentRect); |
126 paintIntoRect(context, paintRect, contentRect); | 127 paintIntoRect(context, paintRect, contentRect); |
127 } | 128 } |
128 } | 129 } |
129 | 130 |
130 void ImagePainter::paintIntoRect(GraphicsContext& context, | 131 void ImagePainter::paintIntoRect(GraphicsContext& context, |
131 const LayoutRect& destRect, | 132 const LayoutRect& destRect, |
132 const LayoutRect& contentRect) { | 133 const LayoutRect& contentRect) { |
133 if (!m_layoutImage.imageResource()->hasImage() || | 134 if (!m_layoutImage.imageResource()->hasImage() || |
134 m_layoutImage.imageResource()->errorOccurred()) | 135 m_layoutImage.imageResource()->errorOccurred()) |
135 return; // FIXME: should we just ASSERT these conditions? (audit all caller
s). | 136 return; // FIXME: should we just ASSERT these conditions? (audit all |
| 137 // callers). |
136 | 138 |
137 IntRect pixelSnappedDestRect = pixelSnappedIntRect(destRect); | 139 IntRect pixelSnappedDestRect = pixelSnappedIntRect(destRect); |
138 if (pixelSnappedDestRect.isEmpty()) | 140 if (pixelSnappedDestRect.isEmpty()) |
139 return; | 141 return; |
140 | 142 |
141 RefPtr<Image> image = m_layoutImage.imageResource()->image( | 143 RefPtr<Image> image = m_layoutImage.imageResource()->image( |
142 pixelSnappedDestRect.size(), m_layoutImage.style()->effectiveZoom()); | 144 pixelSnappedDestRect.size(), m_layoutImage.style()->effectiveZoom()); |
143 if (!image || image->isNull()) | 145 if (!image || image->isNull()) |
144 return; | 146 return; |
145 | 147 |
146 // FIXME: why is interpolation quality selection not included in the Instrumen
tation reported cost of drawing an image? | 148 // FIXME: why is interpolation quality selection not included in the |
| 149 // Instrumentation reported cost of drawing an image? |
147 InterpolationQuality interpolationQuality = | 150 InterpolationQuality interpolationQuality = |
148 BoxPainter::chooseInterpolationQuality( | 151 BoxPainter::chooseInterpolationQuality( |
149 m_layoutImage, image.get(), image.get(), | 152 m_layoutImage, image.get(), image.get(), |
150 LayoutSize(pixelSnappedDestRect.size())); | 153 LayoutSize(pixelSnappedDestRect.size())); |
151 | 154 |
152 FloatRect srcRect = image->rect(); | 155 FloatRect srcRect = image->rect(); |
153 // If the content rect requires clipping, adjust |srcRect| and |pixelSnappedDe
stRect| over using a clip. | 156 // If the content rect requires clipping, adjust |srcRect| and |
| 157 // |pixelSnappedDestRect| over using a clip. |
154 if (!contentRect.contains(destRect)) { | 158 if (!contentRect.contains(destRect)) { |
155 IntRect pixelSnappedContentRect = pixelSnappedIntRect(contentRect); | 159 IntRect pixelSnappedContentRect = pixelSnappedIntRect(contentRect); |
156 pixelSnappedContentRect.intersect(pixelSnappedDestRect); | 160 pixelSnappedContentRect.intersect(pixelSnappedDestRect); |
157 if (pixelSnappedContentRect.isEmpty()) | 161 if (pixelSnappedContentRect.isEmpty()) |
158 return; | 162 return; |
159 srcRect = mapRect(pixelSnappedContentRect, pixelSnappedDestRect, srcRect); | 163 srcRect = mapRect(pixelSnappedContentRect, pixelSnappedDestRect, srcRect); |
160 pixelSnappedDestRect = pixelSnappedContentRect; | 164 pixelSnappedDestRect = pixelSnappedContentRect; |
161 } | 165 } |
162 | 166 |
163 TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage", | 167 TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "PaintImage", |
164 "data", InspectorPaintImageEvent::data(m_layoutImage)); | 168 "data", InspectorPaintImageEvent::data(m_layoutImage)); |
165 | 169 |
166 InterpolationQuality previousInterpolationQuality = | 170 InterpolationQuality previousInterpolationQuality = |
167 context.imageInterpolationQuality(); | 171 context.imageInterpolationQuality(); |
168 context.setImageInterpolationQuality(interpolationQuality); | 172 context.setImageInterpolationQuality(interpolationQuality); |
169 context.drawImage( | 173 context.drawImage( |
170 image.get(), pixelSnappedDestRect, &srcRect, SkXfermode::kSrcOver_Mode, | 174 image.get(), pixelSnappedDestRect, &srcRect, SkXfermode::kSrcOver_Mode, |
171 LayoutObject::shouldRespectImageOrientation(&m_layoutImage)); | 175 LayoutObject::shouldRespectImageOrientation(&m_layoutImage)); |
172 context.setImageInterpolationQuality(previousInterpolationQuality); | 176 context.setImageInterpolationQuality(previousInterpolationQuality); |
173 } | 177 } |
174 | 178 |
175 } // namespace blink | 179 } // namespace blink |
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