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1 /* | 1 /* |
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. |
3 * Copyright (C) 2013 Intel Corporation. All rights reserved. | 3 * Copyright (C) 2013 Intel Corporation. All rights reserved. |
4 * | 4 * |
5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
6 * | 6 * |
7 * Other contributors: | 7 * Other contributors: |
8 * Robert O'Callahan <roc+@cs.cmu.edu> | 8 * Robert O'Callahan <roc+@cs.cmu.edu> |
9 * David Baron <dbaron@fas.harvard.edu> | 9 * David Baron <dbaron@fas.harvard.edu> |
10 * Christian Biesinger <cbiesinger@web.de> | 10 * Christian Biesinger <cbiesinger@web.de> |
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367 bool HasAncestorWithFilterThatMovesPixels() const; | 367 bool HasAncestorWithFilterThatMovesPixels() const; |
368 | 368 |
369 bool CanUseConvertToLayerCoords() const { | 369 bool CanUseConvertToLayerCoords() const { |
370 // These LayoutObjects have an impact on their layers without the | 370 // These LayoutObjects have an impact on their layers without the |
371 // layoutObjects knowing about it. | 371 // layoutObjects knowing about it. |
372 return !GetLayoutObject().HasTransformRelatedProperty() && | 372 return !GetLayoutObject().HasTransformRelatedProperty() && |
373 !GetLayoutObject().IsSVGRoot(); | 373 !GetLayoutObject().IsSVGRoot(); |
374 } | 374 } |
375 | 375 |
376 void ConvertToLayerCoords(const PaintLayer* ancestor_layer, | 376 void ConvertToLayerCoords(const PaintLayer* ancestor_layer, |
377 LayoutPoint&) const; | 377 LayoutPoint&, |
| 378 bool* is_descendant = nullptr) const; |
378 void ConvertToLayerCoords(const PaintLayer* ancestor_layer, | 379 void ConvertToLayerCoords(const PaintLayer* ancestor_layer, |
379 LayoutRect&) const; | 380 LayoutRect&) const; |
380 | 381 |
381 // Does the same as convertToLayerCoords() when not in multicol. For multicol, | 382 // Does the same as convertToLayerCoords() when not in multicol. For multicol, |
382 // however, convertToLayerCoords() calculates the offset in flow-thread | 383 // however, convertToLayerCoords() calculates the offset in flow-thread |
383 // coordinates (what the layout engine uses internally), while this method | 384 // coordinates (what the layout engine uses internally), while this method |
384 // calculates the visual coordinates; i.e. it figures out which column the | 385 // calculates the visual coordinates; i.e. it figures out which column the |
385 // layer starts in and adds in the offset. See | 386 // layer starts in and adds in the offset. See |
386 // http://www.chromium.org/developers/design-documents/multi-column-layout for | 387 // http://www.chromium.org/developers/design-documents/multi-column-layout for |
387 // more info. | 388 // more info. |
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1277 | 1278 |
1278 } // namespace blink | 1279 } // namespace blink |
1279 | 1280 |
1280 #ifndef NDEBUG | 1281 #ifndef NDEBUG |
1281 // Outside the WebCore namespace for ease of invocation from gdb. | 1282 // Outside the WebCore namespace for ease of invocation from gdb. |
1282 CORE_EXPORT void showLayerTree(const blink::PaintLayer*); | 1283 CORE_EXPORT void showLayerTree(const blink::PaintLayer*); |
1283 CORE_EXPORT void showLayerTree(const blink::LayoutObject*); | 1284 CORE_EXPORT void showLayerTree(const blink::LayoutObject*); |
1284 #endif | 1285 #endif |
1285 | 1286 |
1286 #endif // Layer_h | 1287 #endif // Layer_h |
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