OLD | NEW |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "modules/canvas2d/CanvasRenderingContext2DState.h" | 5 #include "modules/canvas2d/CanvasRenderingContext2DState.h" |
6 | 6 |
7 #include "core/css/CSSFontSelector.h" | 7 #include "core/css/CSSFontSelector.h" |
8 #include "core/css/resolver/FilterOperationResolver.h" | 8 #include "core/css/resolver/FilterOperationResolver.h" |
9 #include "core/css/resolver/StyleBuilder.h" | 9 #include "core/css/resolver/StyleBuilder.h" |
10 #include "core/css/resolver/StyleResolverState.h" | 10 #include "core/css/resolver/StyleResolverState.h" |
(...skipping 277 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
288 context->clearFilterReferences(); | 288 context->clearFilterReferences(); |
289 context->addFilterReferences(filters, canvasElement->document()); | 289 context->addFilterReferences(filters, canvasElement->document()); |
290 } | 290 } |
291 | 291 |
292 SkImageFilter* CanvasRenderingContext2DState::getFilter(Element* styleResolution
Host, IntSize canvasSize, CanvasRenderingContext2D* context) const | 292 SkImageFilter* CanvasRenderingContext2DState::getFilter(Element* styleResolution
Host, IntSize canvasSize, CanvasRenderingContext2D* context) const |
293 { | 293 { |
294 if (!m_filterValue) | 294 if (!m_filterValue) |
295 return nullptr; | 295 return nullptr; |
296 | 296 |
297 // StyleResolverState cannot be used in frame-less documents. | 297 // StyleResolverState cannot be used in frame-less documents. |
298 if (!styleResolutionHost->document().frame()) | 298 if (styleResolutionHost && !styleResolutionHost->document().frame()) |
299 return nullptr; | 299 return nullptr; |
300 | 300 |
301 if (!m_resolvedFilter) { | 301 if (!m_resolvedFilter) { |
302 RefPtr<ComputedStyle> filterStyle = ComputedStyle::create(); | 302 RefPtr<ComputedStyle> filterStyle = ComputedStyle::create(); |
303 // Must set font in case the filter uses any font-relative units (em, ex
) | 303 // Must set font in case the filter uses any font-relative units (em, ex
) |
304 filterStyle->setFont(m_fontForFilter); | 304 filterStyle->setFont(m_fontForFilter); |
305 | 305 |
306 StyleResolverState resolverState(styleResolutionHost->document(), styleR
esolutionHost, filterStyle.get()); | 306 if (styleResolutionHost) { |
307 resolverState.setStyle(filterStyle); | 307 StyleResolverState resolverState(styleResolutionHost->document(), st
yleResolutionHost, filterStyle.get()); |
| 308 resolverState.setStyle(filterStyle); |
308 | 309 |
309 StyleBuilder::applyProperty(CSSPropertyFilter, resolverState, *m_filterV
alue); | 310 StyleBuilder::applyProperty(CSSPropertyFilter, resolverState, *m_fil
terValue); |
310 resolverState.loadPendingResources(); | 311 resolverState.loadPendingResources(); |
| 312 } else { |
| 313 StyleResolverState resolverState(filterStyle.get()); |
| 314 resolverState.setStyle(filterStyle); |
| 315 |
| 316 StyleBuilder::applyProperty(CSSPropertyFilter, resolverState, *m_fil
terValue); |
| 317 resolverState.loadPendingResources(); |
| 318 } |
| 319 |
| 320 |
311 FilterEffectBuilder* filterEffectBuilder = FilterEffectBuilder::create()
; | 321 FilterEffectBuilder* filterEffectBuilder = FilterEffectBuilder::create()
; |
312 | 322 |
313 // We can't reuse m_fillPaint and m_strokePaint for the filter, since th
ese incorporate | 323 // We can't reuse m_fillPaint and m_strokePaint for the filter, since th
ese incorporate |
314 // the global alpha, which isn't applicable here. | 324 // the global alpha, which isn't applicable here. |
315 SkPaint fillPaintForFilter; | 325 SkPaint fillPaintForFilter; |
316 SkPaint strokePaintForFilter; | 326 SkPaint strokePaintForFilter; |
317 m_fillStyle->applyToPaint(fillPaintForFilter); | 327 m_fillStyle->applyToPaint(fillPaintForFilter); |
318 m_strokeStyle->applyToPaint(strokePaintForFilter); | 328 m_strokeStyle->applyToPaint(strokePaintForFilter); |
319 fillPaintForFilter.setColor(m_fillStyle->paintColor()); | 329 fillPaintForFilter.setColor(m_fillStyle->paintColor()); |
320 strokePaintForFilter.setColor(m_strokeStyle->paintColor()); | 330 strokePaintForFilter.setColor(m_strokeStyle->paintColor()); |
321 FloatSize floatCanvasSize(canvasSize); | 331 FloatSize floatCanvasSize(canvasSize); |
322 const double effectiveZoom = 1.0; // Deliberately ignore zoom on the can
vas element | 332 const double effectiveZoom = 1.0; // Deliberately ignore zoom on the can
vas element |
323 filterEffectBuilder->build(styleResolutionHost, filterStyle->filter(), e
ffectiveZoom, &floatCanvasSize, &fillPaintForFilter, &strokePaintForFilter); | 333 filterEffectBuilder->build(styleResolutionHost, filterStyle->filter(), e
ffectiveZoom, &floatCanvasSize, &fillPaintForFilter, &strokePaintForFilter); |
324 | 334 |
325 if (FilterEffect* lastEffect = filterEffectBuilder->lastEffect()) { | 335 if (FilterEffect* lastEffect = filterEffectBuilder->lastEffect()) { |
326 lastEffect->determineMaximumEffectRect(DetermineMaxEffectRectNone); | 336 lastEffect->determineMaximumEffectRect(DetermineMaxEffectRectNone); |
327 m_resolvedFilter = SkiaImageFilterBuilder::build(lastEffect, ColorSp
aceDeviceRGB); | 337 m_resolvedFilter = SkiaImageFilterBuilder::build(lastEffect, ColorSp
aceDeviceRGB); |
328 if (m_resolvedFilter) { | 338 if (styleResolutionHost && m_resolvedFilter) { |
329 updateFilterReferences(toHTMLCanvasElement(styleResolutionHost),
context, filterStyle->filter()); | 339 updateFilterReferences(toHTMLCanvasElement(styleResolutionHost),
context, filterStyle->filter()); |
330 if (lastEffect->originTainted()) | 340 if (lastEffect->originTainted()) |
331 context->setOriginTainted(); | 341 context->setOriginTainted(); |
332 } | 342 } |
333 } | 343 } |
334 } | 344 } |
335 | 345 |
336 return m_resolvedFilter.get(); | 346 return m_resolvedFilter.get(); |
337 } | 347 } |
338 | 348 |
(...skipping 222 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
561 paint->setLooper(0); | 571 paint->setLooper(0); |
562 paint->setImageFilter(shadowAndForegroundImageFilter()); | 572 paint->setImageFilter(shadowAndForegroundImageFilter()); |
563 return paint; | 573 return paint; |
564 } | 574 } |
565 paint->setLooper(sk_ref_sp(shadowAndForegroundDrawLooper())); | 575 paint->setLooper(sk_ref_sp(shadowAndForegroundDrawLooper())); |
566 paint->setImageFilter(0); | 576 paint->setImageFilter(0); |
567 return paint; | 577 return paint; |
568 } | 578 } |
569 | 579 |
570 } // namespace blink | 580 } // namespace blink |
OLD | NEW |