OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. |
3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> | 3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> |
4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | 4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
(...skipping 357 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
368 { | 368 { |
369 String lowercaseMimeType = mimeType.lower(); | 369 String lowercaseMimeType = mimeType.lower(); |
370 | 370 |
371 // FIXME: Make isSupportedImageMIMETypeForEncoding threadsafe (to allow this
method to be used on a worker thread). | 371 // FIXME: Make isSupportedImageMIMETypeForEncoding threadsafe (to allow this
method to be used on a worker thread). |
372 if (mimeType.isNull() || !MIMETypeRegistry::isSupportedImageMIMETypeForEncod
ing(lowercaseMimeType)) | 372 if (mimeType.isNull() || !MIMETypeRegistry::isSupportedImageMIMETypeForEncod
ing(lowercaseMimeType)) |
373 lowercaseMimeType = "image/png"; | 373 lowercaseMimeType = "image/png"; |
374 | 374 |
375 return lowercaseMimeType; | 375 return lowercaseMimeType; |
376 } | 376 } |
377 | 377 |
378 String HTMLCanvasElement::toDataURL(const String& mimeType, const double* qualit
y, ExceptionState& exceptionState) | 378 const AtomicString HTMLCanvasElement::imageSourceURL() const |
379 { | 379 { |
380 if (!m_originClean) { | 380 return AtomicString(toDataURLInternal("image/png", 0)); |
381 exceptionState.throwSecurityError("Tainted canvases may not be exported.
"); | 381 } |
382 return String(); | |
383 } | |
384 | 382 |
| 383 String HTMLCanvasElement::toDataURLInternal(const String& mimeType, const double
* quality) const |
| 384 { |
385 if (m_size.isEmpty() || !buffer()) | 385 if (m_size.isEmpty() || !buffer()) |
386 return String("data:,"); | 386 return String("data:,"); |
387 | 387 |
388 String encodingMimeType = toEncodingMimeType(mimeType); | 388 String encodingMimeType = toEncodingMimeType(mimeType); |
389 | 389 |
390 // Try to get ImageData first, as that may avoid lossy conversions. | 390 // Try to get ImageData first, as that may avoid lossy conversions. |
391 RefPtrWillBeRawPtr<ImageData> imageData = getImageData(); | 391 RefPtrWillBeRawPtr<ImageData> imageData = getImageData(); |
392 | 392 |
393 if (imageData) | 393 if (imageData) |
394 return ImageDataToDataURL(ImageDataBuffer(imageData->size(), imageData->
data()), encodingMimeType, quality); | 394 return ImageDataToDataURL(ImageDataBuffer(imageData->size(), imageData->
data()), encodingMimeType, quality); |
395 | 395 |
396 if (m_context) | 396 if (m_context) |
397 m_context->paintRenderingResultsToCanvas(); | 397 m_context->paintRenderingResultsToCanvas(); |
398 | 398 |
399 return buffer()->toDataURL(encodingMimeType, quality); | 399 return buffer()->toDataURL(encodingMimeType, quality); |
400 } | 400 } |
401 | 401 |
402 PassRefPtrWillBeRawPtr<ImageData> HTMLCanvasElement::getImageData() | 402 String HTMLCanvasElement::toDataURL(const String& mimeType, const double* qualit
y, ExceptionState& exceptionState) const |
| 403 { |
| 404 if (!m_originClean) { |
| 405 exceptionState.throwSecurityError("Tainted canvases may not be exported.
"); |
| 406 return String(); |
| 407 } |
| 408 |
| 409 return toDataURLInternal(mimeType, quality); |
| 410 } |
| 411 |
| 412 PassRefPtrWillBeRawPtr<ImageData> HTMLCanvasElement::getImageData() const |
403 { | 413 { |
404 if (!m_context || !m_context->is3d()) | 414 if (!m_context || !m_context->is3d()) |
405 return nullptr; | 415 return nullptr; |
406 return toWebGLRenderingContext(m_context.get())->paintRenderingResultsToImag
eData(); | 416 return toWebGLRenderingContext(m_context.get())->paintRenderingResultsToImag
eData(); |
407 } | 417 } |
408 | 418 |
409 SecurityOrigin* HTMLCanvasElement::securityOrigin() const | 419 SecurityOrigin* HTMLCanvasElement::securityOrigin() const |
410 { | 420 { |
411 return document().securityOrigin(); | 421 return document().securityOrigin(); |
412 } | 422 } |
(...skipping 273 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
686 { | 696 { |
687 return !originClean(); | 697 return !originClean(); |
688 } | 698 } |
689 | 699 |
690 FloatSize HTMLCanvasElement::sourceSize() const | 700 FloatSize HTMLCanvasElement::sourceSize() const |
691 { | 701 { |
692 return FloatSize(width(), height()); | 702 return FloatSize(width(), height()); |
693 } | 703 } |
694 | 704 |
695 } | 705 } |
OLD | NEW |