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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" |
| (...skipping 28 matching lines...) Expand all Loading... |
| 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 |
| (...skipping 64 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 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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