Source/core/svg/graphics/SVGImageForContainer.h - Issue 25627006: Generalize ImageForContainer

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Issue 25627006: Generalize ImageForContainer (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 7 years, 2 months ago

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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

6 * are met:

7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the

11 * documentation and/or other materials provided with the distribution.

12 *

13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR

17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

24 */

25

26 #ifndef SVGImageForContainer_h

27 #define SVGImageForContainer_h

28

29 #include "core/platform/graphics/Image.h"

30 #include "core/svg/graphics/SVGImage.h"

31 #include "platform/geometry/FloatRect.h"

32 #include "platform/geometry/FloatSize.h"

33

34 namespace WebCore {

35

36 class SVGImageForContainer : public Image {

37 public:

38 static PassRefPtr<SVGImageForContainer> create(SVGImage* image, const FloatS ize& containerSize, float zoom)

39 {

40 return adoptRef(new SVGImageForContainer(image, containerSize, zoom));

41 }

42

43 virtual bool isSVGImage() const OVERRIDE { return true; }

44

45 virtual IntSize size() const OVERRIDE;

46

47 virtual bool usesContainerSize() const OVERRIDE { return m_image->usesContai nerSize(); }

48 virtual bool hasRelativeWidth() const OVERRIDE { return m_image->hasRelative Width(); }

49 virtual bool hasRelativeHeight() const OVERRIDE { return m_image->hasRelativ eHeight(); }

50 virtual void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intr insicHeight, FloatSize& intrinsicRatio) OVERRIDE

51 {

52 m_image->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, int rinsicRatio);

53 }

54

55 virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&, Comp ositeOperator, BlendMode) OVERRIDE;

56

57 virtual void drawPattern(GraphicsContext*, const FloatRect&, const FloatSize &, const FloatPoint&, CompositeOperator, const FloatRect&, BlendMode) OVERRIDE;

58

59 // FIXME: Implement this to be less conservative.

60 virtual bool currentFrameKnownToBeOpaque() OVERRIDE { return false; }

61

62 virtual PassRefPtr<NativeImageSkia> nativeImageForCurrentFrame() OVERRIDE;

63

64 private:

65 SVGImageForContainer(SVGImage* image, const FloatSize& containerSize, float zoom)

66 : m_image(image)

67 , m_containerSize(containerSize)

68 , m_zoom(zoom)

69 {

70 }

71

72 virtual void destroyDecodedData(bool) OVERRIDE { }

73 virtual unsigned decodedSize() const OVERRIDE { return 0; }

74

75 SVGImage* m_image;

76 const FloatSize m_containerSize;

77 const float m_zoom;

78 };

79 }

80

81 #endif // SVGImageForContainer_h

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