1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BackgroundImageGeometry_h 6 #define BackgroundImageGeometry_h 7 8 #include "platform/geometry/IntPoint.h" 9 #include "platform/geometry/IntRect.h" 10 #include "platform/geometry/IntSize.h" 11 12 namespace blink { 13 14 class BackgroundImageGeometry { 15 public: BackgroundImageGeometry()16 BackgroundImageGeometry() 17 : m_hasNonLocalGeometry(false) 18 { } 19 destOrigin()20 IntPoint destOrigin() const { return m_destOrigin; } setDestOrigin(const IntPoint & destOrigin)21 void setDestOrigin(const IntPoint& destOrigin) 22 { 23 m_destOrigin = destOrigin; 24 } 25 destRect()26 IntRect destRect() const { return m_destRect; } setDestRect(const IntRect & destRect)27 void setDestRect(const IntRect& destRect) 28 { 29 m_destRect = destRect; 30 } 31 32 // Returns the phase relative to the destination rectangle. 33 IntPoint relativePhase() const; 34 phase()35 IntPoint phase() const { return m_phase; } setPhase(const IntPoint & phase)36 void setPhase(const IntPoint& phase) 37 { 38 m_phase = phase; 39 } 40 tileSize()41 IntSize tileSize() const { return m_tileSize; } setTileSize(const IntSize & tileSize)42 void setTileSize(const IntSize& tileSize) 43 { 44 m_tileSize = tileSize; 45 } 46 47 // Space-size represents extra width and height that may be added to 48 // the image if used as a pattern with repeat: space spaceSize()49 IntSize spaceSize() const { return m_repeatSpacing; } setSpaceSize(const IntSize & repeatSpacing)50 void setSpaceSize(const IntSize& repeatSpacing) 51 { 52 m_repeatSpacing = repeatSpacing; 53 } 54 setPhaseX(int x)55 void setPhaseX(int x) { m_phase.setX(x); } setPhaseY(int y)56 void setPhaseY(int y) { m_phase.setY(y); } 57 58 void setNoRepeatX(int xOffset); 59 void setNoRepeatY(int yOffset); 60 61 void useFixedAttachment(const IntPoint& attachmentPoint); 62 63 void clip(const IntRect&); 64 65 void setHasNonLocalGeometry(bool hasNonLocalGeometry = true) { m_hasNonLocalGeometry = hasNonLocalGeometry; } hasNonLocalGeometry()66 bool hasNonLocalGeometry() const { return m_hasNonLocalGeometry; } 67 68 private: 69 IntRect m_destRect; 70 IntPoint m_destOrigin; 71 IntPoint m_phase; 72 IntSize m_tileSize; 73 IntSize m_repeatSpacing; 74 bool m_hasNonLocalGeometry; // Has background-attachment: fixed. Implies that we can't always cheaply compute destRect. 75 }; 76 77 #endif // BackgroundImageGeometry_h 78 79 } // namespace blink 80