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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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76 | 76 |
77 PassRefPtr<SkImage> DragImage::resizeAndOrientImage(PassRefPtr<SkImage> image, I
mageOrientation orientation, | 77 PassRefPtr<SkImage> DragImage::resizeAndOrientImage(PassRefPtr<SkImage> image, I
mageOrientation orientation, |
78 FloatSize imageScale, float opacity, InterpolationQuality interpolationQuali
ty) | 78 FloatSize imageScale, float opacity, InterpolationQuality interpolationQuali
ty) |
79 { | 79 { |
80 IntSize size(image->width(), image->height()); | 80 IntSize size(image->width(), image->height()); |
81 size.scale(imageScale.width(), imageScale.height()); | 81 size.scale(imageScale.width(), imageScale.height()); |
82 AffineTransform transform; | 82 AffineTransform transform; |
83 if (orientation != DefaultImageOrientation) { | 83 if (orientation != DefaultImageOrientation) { |
84 if (orientation.usesWidthAsHeight()) | 84 if (orientation.usesWidthAsHeight()) |
85 size = size.transposedSize(); | 85 size = size.transposedSize(); |
86 transform *= orientation.transformFromDefault(size); | 86 transform *= orientation.transformFromDefault(FloatSize(size)); |
87 } | 87 } |
88 transform.scaleNonUniform(imageScale.width(), imageScale.height()); | 88 transform.scaleNonUniform(imageScale.width(), imageScale.height()); |
89 | 89 |
90 if (size.isEmpty()) | 90 if (size.isEmpty()) |
91 return nullptr; | 91 return nullptr; |
92 | 92 |
93 if (transform.isIdentity() && opacity == 1) { | 93 if (transform.isIdentity() && opacity == 1) { |
94 // Nothing to adjust, just use the original. | 94 // Nothing to adjust, just use the original. |
95 ASSERT(image->width() == size.width()); | 95 ASSERT(image->width() == size.width()); |
96 ASSERT(image->height() == size.height()); | 96 ASSERT(image->height() == size.height()); |
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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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