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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef ShadowList_h | |
| 32 #define ShadowList_h | |
| 33 | |
| 34 #include "core/layout/style/ShadowData.h" | |
| 35 #include "platform/geometry/FloatRectOutsets.h" | |
| 36 #include "platform/geometry/LayoutRect.h" | |
| 37 #include "platform/graphics/DrawLooperBuilder.h" | |
| 38 #include "wtf/PassOwnPtr.h" | |
| 39 #include "wtf/RefCounted.h" | |
| 40 #include "wtf/Vector.h" | |
| 41 | |
| 42 namespace blink { | |
| 43 | |
| 44 class FloatRect; | |
| 45 class LayoutRect; | |
| 46 | |
| 47 typedef Vector<ShadowData, 1> ShadowDataVector; | |
| 48 | |
| 49 // These are used to store shadows in specified order, but we usually want to | |
| 50 // iterate over them backwards as the first-specified shadow is painted on top. | |
| 51 class ShadowList : public RefCounted<ShadowList> { | |
| 52 public: | |
| 53 // This consumes passed in vector. | |
| 54 static PassRefPtr<ShadowList> adopt(ShadowDataVector& shadows) | |
| 55 { | |
| 56 return adoptRef(new ShadowList(shadows)); | |
| 57 } | |
| 58 const ShadowDataVector& shadows() const { return m_shadows; } | |
| 59 bool operator==(const ShadowList& o) const { return m_shadows == o.m_shadows
; } | |
| 60 bool operator!=(const ShadowList& o) const { return !(*this == o); } | |
| 61 | |
| 62 static PassRefPtr<ShadowList> blend(const ShadowList* from, const ShadowList
* to, double progress); | |
| 63 | |
| 64 // Outsets needed to include all shadows in this list, as well as the | |
| 65 // source (i.e. no outsets will be negative). | |
| 66 FloatRectOutsets rectOutsetsIncludingOriginal() const; | |
| 67 | |
| 68 void adjustRectForShadow(LayoutRect&) const; | |
| 69 void adjustRectForShadow(FloatRect&) const; | |
| 70 | |
| 71 PassOwnPtr<DrawLooperBuilder> createDrawLooper(DrawLooperBuilder::ShadowAlph
aMode, bool isHorizontal = true) const; | |
| 72 | |
| 73 private: | |
| 74 ShadowList(ShadowDataVector& shadows) | |
| 75 { | |
| 76 // If we have no shadows, we use a null ShadowList | |
| 77 ASSERT(!shadows.isEmpty()); | |
| 78 m_shadows.swap(shadows); | |
| 79 m_shadows.shrinkToFit(); | |
| 80 } | |
| 81 ShadowDataVector m_shadows; | |
| 82 }; | |
| 83 | |
| 84 } // namespace blink | |
| 85 | |
| 86 #endif // ShadowList_h | |
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Chromium Code Reviews
Issue 1045723009:
Move core/layout/style to core/style (Closed)
Base URL: svn://svn.chromium.org/blink/trunk