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| 1 /* | 1 /* |
| 2 * Copyright (C) 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2007 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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| 43 #include "platform/text/BidiTextRun.h" | 43 #include "platform/text/BidiTextRun.h" |
| 44 #include "platform/text/StringTruncator.h" | 44 #include "platform/text/StringTruncator.h" |
| 45 #include "platform/text/TextRun.h" | 45 #include "platform/text/TextRun.h" |
| 46 #include "platform/transforms/AffineTransform.h" | 46 #include "platform/transforms/AffineTransform.h" |
| 47 #include "platform/weborigin/KURL.h" | 47 #include "platform/weborigin/KURL.h" |
| 48 #include "skia/ext/image_operations.h" | 48 #include "skia/ext/image_operations.h" |
| 49 #include "third_party/skia/include/core/SkCanvas.h" | 49 #include "third_party/skia/include/core/SkCanvas.h" |
| 50 #include "third_party/skia/include/core/SkImage.h" | 50 #include "third_party/skia/include/core/SkImage.h" |
| 51 #include "third_party/skia/include/core/SkMatrix.h" | 51 #include "third_party/skia/include/core/SkMatrix.h" |
| 52 #include "third_party/skia/include/core/SkSurface.h" | 52 #include "third_party/skia/include/core/SkSurface.h" |
| 53 #include "wtf/PassOwnPtr.h" | 53 #include "wtf/PtrUtil.h" |
| 54 #include "wtf/RefPtr.h" | 54 #include "wtf/RefPtr.h" |
| 55 #include "wtf/text/WTFString.h" | 55 #include "wtf/text/WTFString.h" |
| 56 | |
| 57 #include <algorithm> | 56 #include <algorithm> |
| 57 #include <memory> |
| 58 | 58 |
| 59 namespace blink { | 59 namespace blink { |
| 60 | 60 |
| 61 namespace { | 61 namespace { |
| 62 | 62 |
| 63 const float kDragLabelBorderX = 4; | 63 const float kDragLabelBorderX = 4; |
| 64 // Keep border_y in synch with DragController::LinkDragBorderInset. | 64 // Keep border_y in synch with DragController::LinkDragBorderInset. |
| 65 const float kDragLabelBorderY = 2; | 65 const float kDragLabelBorderY = 2; |
| 66 const float kLabelBorderYOffset = 2; | 66 const float kLabelBorderYOffset = 2; |
| 67 | 67 |
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| 125 // Uniform scaling for clamping. | 125 // Uniform scaling for clamping. |
| 126 const float clampScaleX = size.width() > maxSize.width() | 126 const float clampScaleX = size.width() > maxSize.width() |
| 127 ? static_cast<float>(maxSize.width()) / size.width() : 1; | 127 ? static_cast<float>(maxSize.width()) / size.width() : 1; |
| 128 const float clampScaleY = size.height() > maxSize.height() | 128 const float clampScaleY = size.height() > maxSize.height() |
| 129 ? static_cast<float>(maxSize.height()) / size.height() : 1; | 129 ? static_cast<float>(maxSize.height()) / size.height() : 1; |
| 130 imageScale.scale(std::min(clampScaleX, clampScaleY)); | 130 imageScale.scale(std::min(clampScaleX, clampScaleY)); |
| 131 | 131 |
| 132 return imageScale; | 132 return imageScale; |
| 133 } | 133 } |
| 134 | 134 |
| 135 PassOwnPtr<DragImage> DragImage::create(Image* image, | 135 std::unique_ptr<DragImage> DragImage::create(Image* image, |
| 136 RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScale
Factor, | 136 RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScale
Factor, |
| 137 InterpolationQuality interpolationQuality, float opacity, FloatSize imageSca
le) | 137 InterpolationQuality interpolationQuality, float opacity, FloatSize imageSca
le) |
| 138 { | 138 { |
| 139 if (!image) | 139 if (!image) |
| 140 return nullptr; | 140 return nullptr; |
| 141 | 141 |
| 142 RefPtr<SkImage> skImage = image->imageForCurrentFrame(); | 142 RefPtr<SkImage> skImage = image->imageForCurrentFrame(); |
| 143 if (!skImage) | 143 if (!skImage) |
| 144 return nullptr; | 144 return nullptr; |
| 145 | 145 |
| 146 ImageOrientation orientation; | 146 ImageOrientation orientation; |
| 147 if (shouldRespectImageOrientation == RespectImageOrientation && image->isBit
mapImage()) | 147 if (shouldRespectImageOrientation == RespectImageOrientation && image->isBit
mapImage()) |
| 148 orientation = toBitmapImage(image)->currentFrameOrientation(); | 148 orientation = toBitmapImage(image)->currentFrameOrientation(); |
| 149 | 149 |
| 150 SkBitmap bm; | 150 SkBitmap bm; |
| 151 RefPtr<SkImage> resizedImage = | 151 RefPtr<SkImage> resizedImage = |
| 152 resizeAndOrientImage(skImage.release(), orientation, imageScale, opacity
, interpolationQuality); | 152 resizeAndOrientImage(skImage.release(), orientation, imageScale, opacity
, interpolationQuality); |
| 153 if (!resizedImage || !resizedImage->asLegacyBitmap(&bm, SkImage::kRO_LegacyB
itmapMode)) | 153 if (!resizedImage || !resizedImage->asLegacyBitmap(&bm, SkImage::kRO_LegacyB
itmapMode)) |
| 154 return nullptr; | 154 return nullptr; |
| 155 | 155 |
| 156 return adoptPtr(new DragImage(bm, deviceScaleFactor, interpolationQuality)); | 156 return wrapUnique(new DragImage(bm, deviceScaleFactor, interpolationQuality)
); |
| 157 } | 157 } |
| 158 | 158 |
| 159 static Font deriveDragLabelFont(int size, FontWeight fontWeight, const FontDescr
iption& systemFont) | 159 static Font deriveDragLabelFont(int size, FontWeight fontWeight, const FontDescr
iption& systemFont) |
| 160 { | 160 { |
| 161 FontDescription description = systemFont; | 161 FontDescription description = systemFont; |
| 162 description.setWeight(fontWeight); | 162 description.setWeight(fontWeight); |
| 163 description.setSpecifiedSize(size); | 163 description.setSpecifiedSize(size); |
| 164 description.setComputedSize(size); | 164 description.setComputedSize(size); |
| 165 Font result(description); | 165 Font result(description); |
| 166 result.update(nullptr); | 166 result.update(nullptr); |
| 167 return result; | 167 return result; |
| 168 } | 168 } |
| 169 | 169 |
| 170 PassOwnPtr<DragImage> DragImage::create(const KURL& url, const String& inLabel,
const FontDescription& systemFont, float deviceScaleFactor) | 170 std::unique_ptr<DragImage> DragImage::create(const KURL& url, const String& inLa
bel, const FontDescription& systemFont, float deviceScaleFactor) |
| 171 { | 171 { |
| 172 const Font labelFont = deriveDragLabelFont(kDragLinkLabelFontSize, FontWeigh
tBold, systemFont); | 172 const Font labelFont = deriveDragLabelFont(kDragLinkLabelFontSize, FontWeigh
tBold, systemFont); |
| 173 const Font urlFont = deriveDragLabelFont(kDragLinkUrlFontSize, FontWeightNor
mal, systemFont); | 173 const Font urlFont = deriveDragLabelFont(kDragLinkUrlFontSize, FontWeightNor
mal, systemFont); |
| 174 FontCachePurgePreventer fontCachePurgePreventer; | 174 FontCachePurgePreventer fontCachePurgePreventer; |
| 175 | 175 |
| 176 bool drawURLString = true; | 176 bool drawURLString = true; |
| 177 bool clipURLString = false; | 177 bool clipURLString = false; |
| 178 bool clipLabelString = false; | 178 bool clipLabelString = false; |
| 179 float maxDragLabelStringWidthDIP = kMaxDragLabelStringWidth / deviceScaleFac
tor; | 179 float maxDragLabelStringWidthDIP = kMaxDragLabelStringWidth / deviceScaleFac
tor; |
| 180 | 180 |
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| 206 imageSize.setWidth(maxDragLabelStringWidthDIP); | 206 imageSize.setWidth(maxDragLabelStringWidthDIP); |
| 207 clipURLString = true; | 207 clipURLString = true; |
| 208 } else | 208 } else |
| 209 imageSize.setWidth(std::max(labelSize.width(), urlStringSize.width()
) + kDragLabelBorderX * 2); | 209 imageSize.setWidth(std::max(labelSize.width(), urlStringSize.width()
) + kDragLabelBorderX * 2); |
| 210 } | 210 } |
| 211 | 211 |
| 212 // We now know how big the image needs to be, so we create and | 212 // We now know how big the image needs to be, so we create and |
| 213 // fill the background | 213 // fill the background |
| 214 IntSize scaledImageSize = imageSize; | 214 IntSize scaledImageSize = imageSize; |
| 215 scaledImageSize.scale(deviceScaleFactor); | 215 scaledImageSize.scale(deviceScaleFactor); |
| 216 OwnPtr<ImageBuffer> buffer(ImageBuffer::create(scaledImageSize)); | 216 std::unique_ptr<ImageBuffer> buffer(ImageBuffer::create(scaledImageSize)); |
| 217 if (!buffer) | 217 if (!buffer) |
| 218 return nullptr; | 218 return nullptr; |
| 219 | 219 |
| 220 buffer->canvas()->scale(deviceScaleFactor, deviceScaleFactor); | 220 buffer->canvas()->scale(deviceScaleFactor, deviceScaleFactor); |
| 221 | 221 |
| 222 const float DragLabelRadius = 5; | 222 const float DragLabelRadius = 5; |
| 223 | 223 |
| 224 IntRect rect(IntPoint(), imageSize); | 224 IntRect rect(IntPoint(), imageSize); |
| 225 SkPaint backgroundPaint; | 225 SkPaint backgroundPaint; |
| 226 backgroundPaint.setColor(SkColorSetRGB(140, 140, 140)); | 226 backgroundPaint.setColor(SkColorSetRGB(140, 140, 140)); |
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| 268 | 268 |
| 269 void DragImage::scale(float scaleX, float scaleY) | 269 void DragImage::scale(float scaleX, float scaleY) |
| 270 { | 270 { |
| 271 skia::ImageOperations::ResizeMethod resizeMethod = m_interpolationQuality ==
InterpolationNone ? skia::ImageOperations::RESIZE_BOX : skia::ImageOperations::
RESIZE_LANCZOS3; | 271 skia::ImageOperations::ResizeMethod resizeMethod = m_interpolationQuality ==
InterpolationNone ? skia::ImageOperations::RESIZE_BOX : skia::ImageOperations::
RESIZE_LANCZOS3; |
| 272 int imageWidth = scaleX * m_bitmap.width(); | 272 int imageWidth = scaleX * m_bitmap.width(); |
| 273 int imageHeight = scaleY * m_bitmap.height(); | 273 int imageHeight = scaleY * m_bitmap.height(); |
| 274 m_bitmap = skia::ImageOperations::Resize(m_bitmap, resizeMethod, imageWidth,
imageHeight); | 274 m_bitmap = skia::ImageOperations::Resize(m_bitmap, resizeMethod, imageWidth,
imageHeight); |
| 275 } | 275 } |
| 276 | 276 |
| 277 } // namespace blink | 277 } // namespace blink |
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