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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "config.h" | 5 #include "config.h" |
| 6 #include "core/frame/ImageBitmap.h" | 6 #include "core/frame/ImageBitmap.h" |
| 7 | 7 |
| 8 #include "core/html/HTMLCanvasElement.h" | 8 #include "core/html/HTMLCanvasElement.h" |
| 9 #include "core/html/HTMLVideoElement.h" | 9 #include "core/html/HTMLVideoElement.h" |
| 10 #include "core/html/ImageData.h" | 10 #include "core/html/ImageData.h" |
| (...skipping 30 matching lines...) Expand all Loading... |
| 41 , m_cropRect(cropRect) | 41 , m_cropRect(cropRect) |
| 42 { | 42 { |
| 43 IntRect srcRect = intersection(cropRect, IntRect(0, 0, image->width(), image
->height())); | 43 IntRect srcRect = intersection(cropRect, IntRect(0, 0, image->width(), image
->height())); |
| 44 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); | 44 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); |
| 45 m_bitmapOffset = srcRect.location(); | 45 m_bitmapOffset = srcRect.location(); |
| 46 | 46 |
| 47 if (!srcRect.width() || !srcRect.height()) | 47 if (!srcRect.width() || !srcRect.height()) |
| 48 m_imageElement = nullptr; | 48 m_imageElement = nullptr; |
| 49 else | 49 else |
| 50 m_imageElement->addClient(this); | 50 m_imageElement->addClient(this); |
| 51 | |
| 52 ScriptWrappable::init(this); | |
| 53 } | 51 } |
| 54 | 52 |
| 55 ImageBitmap::ImageBitmap(HTMLVideoElement* video, const IntRect& cropRect) | 53 ImageBitmap::ImageBitmap(HTMLVideoElement* video, const IntRect& cropRect) |
| 56 : m_imageElement(nullptr) | 54 : m_imageElement(nullptr) |
| 57 , m_cropRect(cropRect) | 55 , m_cropRect(cropRect) |
| 58 , m_bitmapOffset(IntPoint()) | 56 , m_bitmapOffset(IntPoint()) |
| 59 { | 57 { |
| 60 IntSize playerSize; | 58 IntSize playerSize; |
| 61 | 59 |
| 62 if (video->webMediaPlayer()) | 60 if (video->webMediaPlayer()) |
| 63 playerSize = video->webMediaPlayer()->naturalSize(); | 61 playerSize = video->webMediaPlayer()->naturalSize(); |
| 64 | 62 |
| 65 IntRect videoRect = IntRect(IntPoint(), playerSize); | 63 IntRect videoRect = IntRect(IntPoint(), playerSize); |
| 66 IntRect srcRect = intersection(cropRect, videoRect); | 64 IntRect srcRect = intersection(cropRect, videoRect); |
| 67 IntRect dstRect(IntPoint(), srcRect.size()); | 65 IntRect dstRect(IntPoint(), srcRect.size()); |
| 68 | 66 |
| 69 OwnPtr<ImageBuffer> buf = ImageBuffer::create(videoRect.size()); | 67 OwnPtr<ImageBuffer> buf = ImageBuffer::create(videoRect.size()); |
| 70 if (!buf) | 68 if (!buf) |
| 71 return; | 69 return; |
| 72 GraphicsContext* c = buf->context(); | 70 GraphicsContext* c = buf->context(); |
| 73 c->clip(dstRect); | 71 c->clip(dstRect); |
| 74 c->translate(-srcRect.x(), -srcRect.y()); | 72 c->translate(-srcRect.x(), -srcRect.y()); |
| 75 video->paintCurrentFrameInContext(c, videoRect); | 73 video->paintCurrentFrameInContext(c, videoRect); |
| 76 m_bitmap = buf->copyImage(DontCopyBackingStore); | 74 m_bitmap = buf->copyImage(DontCopyBackingStore); |
| 77 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); | 75 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); |
| 78 | |
| 79 ScriptWrappable::init(this); | |
| 80 } | 76 } |
| 81 | 77 |
| 82 ImageBitmap::ImageBitmap(HTMLCanvasElement* canvas, const IntRect& cropRect) | 78 ImageBitmap::ImageBitmap(HTMLCanvasElement* canvas, const IntRect& cropRect) |
| 83 : m_imageElement(nullptr) | 79 : m_imageElement(nullptr) |
| 84 , m_cropRect(cropRect) | 80 , m_cropRect(cropRect) |
| 85 , m_bitmapOffset(IntPoint()) | 81 , m_bitmapOffset(IntPoint()) |
| 86 { | 82 { |
| 87 CanvasRenderingContext* sourceContext = canvas->renderingContext(); | 83 CanvasRenderingContext* sourceContext = canvas->renderingContext(); |
| 88 if (sourceContext && sourceContext->is3d()) | 84 if (sourceContext && sourceContext->is3d()) |
| 89 sourceContext->paintRenderingResultsToCanvas(); | 85 sourceContext->paintRenderingResultsToCanvas(); |
| 90 | 86 |
| 91 IntRect srcRect = intersection(cropRect, IntRect(IntPoint(), canvas->size())
); | 87 IntRect srcRect = intersection(cropRect, IntRect(IntPoint(), canvas->size())
); |
| 92 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); | 88 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); |
| 93 m_bitmap = cropImage(canvas->buffer()->copyImage(CopyBackingStore).get(), cr
opRect); | 89 m_bitmap = cropImage(canvas->buffer()->copyImage(CopyBackingStore).get(), cr
opRect); |
| 94 | |
| 95 ScriptWrappable::init(this); | |
| 96 } | 90 } |
| 97 | 91 |
| 98 ImageBitmap::ImageBitmap(ImageData* data, const IntRect& cropRect) | 92 ImageBitmap::ImageBitmap(ImageData* data, const IntRect& cropRect) |
| 99 : m_imageElement(nullptr) | 93 : m_imageElement(nullptr) |
| 100 , m_cropRect(cropRect) | 94 , m_cropRect(cropRect) |
| 101 , m_bitmapOffset(IntPoint()) | 95 , m_bitmapOffset(IntPoint()) |
| 102 { | 96 { |
| 103 IntRect srcRect = intersection(cropRect, IntRect(IntPoint(), data->size())); | 97 IntRect srcRect = intersection(cropRect, IntRect(IntPoint(), data->size())); |
| 104 | 98 |
| 105 OwnPtr<ImageBuffer> buf = ImageBuffer::create(data->size()); | 99 OwnPtr<ImageBuffer> buf = ImageBuffer::create(data->size()); |
| 106 if (!buf) | 100 if (!buf) |
| 107 return; | 101 return; |
| 108 if (srcRect.width() > 0 && srcRect.height() > 0) | 102 if (srcRect.width() > 0 && srcRect.height() > 0) |
| 109 buf->putByteArray(Premultiplied, data->data(), data->size(), srcRect, In
tPoint(std::min(0, -cropRect.x()), std::min(0, -cropRect.y()))); | 103 buf->putByteArray(Premultiplied, data->data(), data->size(), srcRect, In
tPoint(std::min(0, -cropRect.x()), std::min(0, -cropRect.y()))); |
| 110 | 104 |
| 111 m_bitmap = buf->copyImage(DontCopyBackingStore); | 105 m_bitmap = buf->copyImage(DontCopyBackingStore); |
| 112 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); | 106 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); |
| 113 | |
| 114 ScriptWrappable::init(this); | |
| 115 } | 107 } |
| 116 | 108 |
| 117 ImageBitmap::ImageBitmap(ImageBitmap* bitmap, const IntRect& cropRect) | 109 ImageBitmap::ImageBitmap(ImageBitmap* bitmap, const IntRect& cropRect) |
| 118 : m_imageElement(bitmap->imageElement()) | 110 : m_imageElement(bitmap->imageElement()) |
| 119 , m_bitmap(nullptr) | 111 , m_bitmap(nullptr) |
| 120 , m_cropRect(cropRect) | 112 , m_cropRect(cropRect) |
| 121 , m_bitmapOffset(IntPoint()) | 113 , m_bitmapOffset(IntPoint()) |
| 122 { | 114 { |
| 123 IntRect oldBitmapRect = bitmap->bitmapRect(); | 115 IntRect oldBitmapRect = bitmap->bitmapRect(); |
| 124 IntRect srcRect = intersection(cropRect, oldBitmapRect); | 116 IntRect srcRect = intersection(cropRect, oldBitmapRect); |
| 125 m_bitmapRect = IntRect(IntPoint(std::max(0, oldBitmapRect.x() - cropRect.x()
), std::max(0, oldBitmapRect.y() - cropRect.y())), srcRect.size()); | 117 m_bitmapRect = IntRect(IntPoint(std::max(0, oldBitmapRect.x() - cropRect.x()
), std::max(0, oldBitmapRect.y() - cropRect.y())), srcRect.size()); |
| 126 | 118 |
| 127 if (m_imageElement) { | 119 if (m_imageElement) { |
| 128 m_imageElement->addClient(this); | 120 m_imageElement->addClient(this); |
| 129 m_bitmapOffset = srcRect.location(); | 121 m_bitmapOffset = srcRect.location(); |
| 130 } else if (bitmap->bitmapImage()) { | 122 } else if (bitmap->bitmapImage()) { |
| 131 IntRect adjustedCropRect(IntPoint(cropRect.x() -oldBitmapRect.x(), cropR
ect.y() - oldBitmapRect.y()), cropRect.size()); | 123 IntRect adjustedCropRect(IntPoint(cropRect.x() -oldBitmapRect.x(), cropR
ect.y() - oldBitmapRect.y()), cropRect.size()); |
| 132 m_bitmap = cropImage(bitmap->bitmapImage().get(), adjustedCropRect); | 124 m_bitmap = cropImage(bitmap->bitmapImage().get(), adjustedCropRect); |
| 133 } | 125 } |
| 134 | |
| 135 ScriptWrappable::init(this); | |
| 136 } | 126 } |
| 137 | 127 |
| 138 ImageBitmap::ImageBitmap(Image* image, const IntRect& cropRect) | 128 ImageBitmap::ImageBitmap(Image* image, const IntRect& cropRect) |
| 139 : m_imageElement(nullptr) | 129 : m_imageElement(nullptr) |
| 140 , m_cropRect(cropRect) | 130 , m_cropRect(cropRect) |
| 141 { | 131 { |
| 142 IntRect srcRect = intersection(cropRect, IntRect(IntPoint(), image->size()))
; | 132 IntRect srcRect = intersection(cropRect, IntRect(IntPoint(), image->size()))
; |
| 143 m_bitmap = cropImage(image, cropRect); | 133 m_bitmap = cropImage(image, cropRect); |
| 144 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); | 134 m_bitmapRect = IntRect(IntPoint(std::max(0, -cropRect.x()), std::max(0, -cro
pRect.y())), srcRect.size()); |
| 145 | |
| 146 ScriptWrappable::init(this); | |
| 147 } | 135 } |
| 148 | 136 |
| 149 ImageBitmap::~ImageBitmap() | 137 ImageBitmap::~ImageBitmap() |
| 150 { | 138 { |
| 151 #if !ENABLE(OILPAN) | 139 #if !ENABLE(OILPAN) |
| 152 if (m_imageElement) | 140 if (m_imageElement) |
| 153 m_imageElement->removeClient(this); | 141 m_imageElement->removeClient(this); |
| 154 #endif | 142 #endif |
| 155 } | 143 } |
| 156 | 144 |
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| 228 { | 216 { |
| 229 return FloatSize(width(), height()); | 217 return FloatSize(width(), height()); |
| 230 } | 218 } |
| 231 | 219 |
| 232 void ImageBitmap::trace(Visitor* visitor) | 220 void ImageBitmap::trace(Visitor* visitor) |
| 233 { | 221 { |
| 234 visitor->trace(m_imageElement); | 222 visitor->trace(m_imageElement); |
| 235 ImageLoaderClient::trace(visitor); | 223 ImageLoaderClient::trace(visitor); |
| 236 } | 224 } |
| 237 | 225 |
| 238 } | 226 } // namespace blink |
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