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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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66 const float kLabelBorderYOffset = 2; | 66 const float kLabelBorderYOffset = 2; |
67 | 67 |
68 const float kMaxDragLabelWidth = 300; | 68 const float kMaxDragLabelWidth = 300; |
69 const float kMaxDragLabelStringWidth = (kMaxDragLabelWidth - 2 * kDragLabelBorde
rX); | 69 const float kMaxDragLabelStringWidth = (kMaxDragLabelWidth - 2 * kDragLabelBorde
rX); |
70 | 70 |
71 const float kDragLinkLabelFontSize = 11; | 71 const float kDragLinkLabelFontSize = 11; |
72 const float kDragLinkUrlFontSize = 10; | 72 const float kDragLinkUrlFontSize = 10; |
73 | 73 |
74 } // anonymous namespace | 74 } // anonymous namespace |
75 | 75 |
76 PassRefPtr<SkImage> DragImage::resizeAndOrientImage(PassRefPtr<SkImage> image, I
mageOrientation orientation, | 76 sk_sp<SkImage> DragImage::resizeAndOrientImage(sk_sp<SkImage> image, ImageOrient
ation orientation, |
77 FloatSize imageScale, float opacity, InterpolationQuality interpolationQuali
ty) | 77 FloatSize imageScale, float opacity, InterpolationQuality interpolationQuali
ty) |
78 { | 78 { |
79 IntSize size(image->width(), image->height()); | 79 IntSize size(image->width(), image->height()); |
80 size.scale(imageScale.width(), imageScale.height()); | 80 size.scale(imageScale.width(), imageScale.height()); |
81 AffineTransform transform; | 81 AffineTransform transform; |
82 if (orientation != DefaultImageOrientation) { | 82 if (orientation != DefaultImageOrientation) { |
83 if (orientation.usesWidthAsHeight()) | 83 if (orientation.usesWidthAsHeight()) |
84 size = size.transposedSize(); | 84 size = size.transposedSize(); |
85 transform *= orientation.transformFromDefault(FloatSize(size)); | 85 transform *= orientation.transformFromDefault(FloatSize(size)); |
86 } | 86 } |
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101 return nullptr; | 101 return nullptr; |
102 | 102 |
103 SkPaint paint; | 103 SkPaint paint; |
104 ASSERT(opacity >= 0 && opacity <= 1); | 104 ASSERT(opacity >= 0 && opacity <= 1); |
105 paint.setAlpha(opacity * 255); | 105 paint.setAlpha(opacity * 255); |
106 paint.setFilterQuality(interpolationQuality == InterpolationNone | 106 paint.setFilterQuality(interpolationQuality == InterpolationNone |
107 ? kNone_SkFilterQuality : kHigh_SkFilterQuality); | 107 ? kNone_SkFilterQuality : kHigh_SkFilterQuality); |
108 | 108 |
109 SkCanvas* canvas = surface->getCanvas(); | 109 SkCanvas* canvas = surface->getCanvas(); |
110 canvas->concat(affineTransformToSkMatrix(transform)); | 110 canvas->concat(affineTransformToSkMatrix(transform)); |
111 canvas->drawImage(image.get(), 0, 0, &paint); | 111 canvas->drawImage(image, 0, 0, &paint); |
112 | 112 |
113 return fromSkSp(surface->makeImageSnapshot()); | 113 return surface->makeImageSnapshot(); |
114 } | 114 } |
115 | 115 |
116 FloatSize DragImage::clampedImageScale(const IntSize& imageSize, const IntSize&
size, | 116 FloatSize DragImage::clampedImageScale(const IntSize& imageSize, const IntSize&
size, |
117 const IntSize& maxSize) | 117 const IntSize& maxSize) |
118 { | 118 { |
119 // Non-uniform scaling for size mapping. | 119 // Non-uniform scaling for size mapping. |
120 FloatSize imageScale( | 120 FloatSize imageScale( |
121 static_cast<float>(size.width()) / imageSize.width(), | 121 static_cast<float>(size.width()) / imageSize.width(), |
122 static_cast<float>(size.height()) / imageSize.height()); | 122 static_cast<float>(size.height()) / imageSize.height()); |
123 | 123 |
124 // Uniform scaling for clamping. | 124 // Uniform scaling for clamping. |
125 const float clampScaleX = size.width() > maxSize.width() | 125 const float clampScaleX = size.width() > maxSize.width() |
126 ? static_cast<float>(maxSize.width()) / size.width() : 1; | 126 ? static_cast<float>(maxSize.width()) / size.width() : 1; |
127 const float clampScaleY = size.height() > maxSize.height() | 127 const float clampScaleY = size.height() > maxSize.height() |
128 ? static_cast<float>(maxSize.height()) / size.height() : 1; | 128 ? static_cast<float>(maxSize.height()) / size.height() : 1; |
129 imageScale.scale(std::min(clampScaleX, clampScaleY)); | 129 imageScale.scale(std::min(clampScaleX, clampScaleY)); |
130 | 130 |
131 return imageScale; | 131 return imageScale; |
132 } | 132 } |
133 | 133 |
134 std::unique_ptr<DragImage> DragImage::create(Image* image, | 134 std::unique_ptr<DragImage> DragImage::create(Image* image, |
135 RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScale
Factor, | 135 RespectImageOrientationEnum shouldRespectImageOrientation, float deviceScale
Factor, |
136 InterpolationQuality interpolationQuality, float opacity, FloatSize imageSca
le) | 136 InterpolationQuality interpolationQuality, float opacity, FloatSize imageSca
le) |
137 { | 137 { |
138 if (!image) | 138 if (!image) |
139 return nullptr; | 139 return nullptr; |
140 | 140 |
141 RefPtr<SkImage> skImage = image->imageForCurrentFrame(); | 141 sk_sp<SkImage> skImage = image->imageForCurrentFrame(); |
142 if (!skImage) | 142 if (!skImage) |
143 return nullptr; | 143 return nullptr; |
144 | 144 |
145 ImageOrientation orientation; | 145 ImageOrientation orientation; |
146 if (shouldRespectImageOrientation == RespectImageOrientation && image->isBit
mapImage()) | 146 if (shouldRespectImageOrientation == RespectImageOrientation && image->isBit
mapImage()) |
147 orientation = toBitmapImage(image)->currentFrameOrientation(); | 147 orientation = toBitmapImage(image)->currentFrameOrientation(); |
148 | 148 |
149 SkBitmap bm; | 149 SkBitmap bm; |
150 RefPtr<SkImage> resizedImage = | 150 sk_sp<SkImage> resizedImage = |
151 resizeAndOrientImage(skImage.release(), orientation, imageScale, opacity
, interpolationQuality); | 151 resizeAndOrientImage(std::move(skImage), orientation, imageScale, opacit
y, interpolationQuality); |
152 if (!resizedImage || !resizedImage->asLegacyBitmap(&bm, SkImage::kRO_LegacyB
itmapMode)) | 152 if (!resizedImage || !resizedImage->asLegacyBitmap(&bm, SkImage::kRO_LegacyB
itmapMode)) |
153 return nullptr; | 153 return nullptr; |
154 | 154 |
155 return wrapUnique(new DragImage(bm, deviceScaleFactor, interpolationQuality)
); | 155 return wrapUnique(new DragImage(bm, deviceScaleFactor, interpolationQuality)
); |
156 } | 156 } |
157 | 157 |
158 static Font deriveDragLabelFont(int size, FontWeight fontWeight, const FontDescr
iption& systemFont) | 158 static Font deriveDragLabelFont(int size, FontWeight fontWeight, const FontDescr
iption& systemFont) |
159 { | 159 { |
160 FontDescription description = systemFont; | 160 FontDescription description = systemFont; |
161 description.setWeight(fontWeight); | 161 description.setWeight(fontWeight); |
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267 | 267 |
268 void DragImage::scale(float scaleX, float scaleY) | 268 void DragImage::scale(float scaleX, float scaleY) |
269 { | 269 { |
270 skia::ImageOperations::ResizeMethod resizeMethod = m_interpolationQuality ==
InterpolationNone ? skia::ImageOperations::RESIZE_BOX : skia::ImageOperations::
RESIZE_LANCZOS3; | 270 skia::ImageOperations::ResizeMethod resizeMethod = m_interpolationQuality ==
InterpolationNone ? skia::ImageOperations::RESIZE_BOX : skia::ImageOperations::
RESIZE_LANCZOS3; |
271 int imageWidth = scaleX * m_bitmap.width(); | 271 int imageWidth = scaleX * m_bitmap.width(); |
272 int imageHeight = scaleY * m_bitmap.height(); | 272 int imageHeight = scaleY * m_bitmap.height(); |
273 m_bitmap = skia::ImageOperations::Resize(m_bitmap, resizeMethod, imageWidth,
imageHeight); | 273 m_bitmap = skia::ImageOperations::Resize(m_bitmap, resizeMethod, imageWidth,
imageHeight); |
274 } | 274 } |
275 | 275 |
276 } // namespace blink | 276 } // namespace blink |
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