Source/core/svg/graphics/SVGImageCache.cpp - 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) 2011 Research In Motion Limited. All rights reserved.

3 * Copyright (C) 2013 Apple Inc. All rights reserved.

4 *

5 * This library is free software; you can redistribute it and/or

6 * modify it under the terms of the GNU Library General Public

7 * License as published by the Free Software Foundation; either

8 * version 2 of the License, or (at your option) any later version.

9 *

10 * This library is distributed in the hope that it will be useful,

11 * but WITHOUT ANY WARRANTY; without even the implied warranty of

12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

13 * Library General Public License for more details.

14 *

15 * You should have received a copy of the GNU Library General Public License

16 * along with this library; see the file COPYING.LIB. If not, write to

17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

18 * Boston, MA 02110-1301, USA.

19 */

20

21 #include "config.h"

22 #include "core/svg/graphics/SVGImageCache.h"

23

24 #include "core/fetch/ImageResource.h"

25 #include "core/page/FrameView.h"

26 #include "core/page/Page.h"

27 #include "core/platform/graphics/GraphicsContext.h"

28 #include "core/platform/graphics/ImageBuffer.h"

29 #include "core/rendering/svg/RenderSVGRoot.h"

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

31 #include "core/svg/graphics/SVGImageForContainer.h"

32

33 namespace WebCore {

34

35 SVGImageCache::SVGImageCache(SVGImage* svgImage)

36 : m_svgImage(svgImage)

37 {

38 ASSERT(m_svgImage);

39 }

40

41 SVGImageCache::~SVGImageCache()

42 {

43 m_imageForContainerMap.clear();

44 }

45

46 void SVGImageCache::removeClientFromCache(const ImageResourceClient* client)

47 {

48 ASSERT(client);

49

50 if (m_imageForContainerMap.contains(client))

51 m_imageForContainerMap.remove(client);

52 }

53

54 void SVGImageCache::setContainerSizeForRenderer(const ImageResourceClient* clien t, const IntSize& containerSize, float containerZoom)

55 {

56 ASSERT(client);

57 ASSERT(!containerSize.isEmpty());

58 ASSERT(containerZoom);

59

60 FloatSize containerSizeWithoutZoom(containerSize);

61 containerSizeWithoutZoom.scale(1 / containerZoom);

62

63 m_imageForContainerMap.set(client, SVGImageForContainer::create(m_svgImage, containerSizeWithoutZoom, containerZoom));

64 }

65

66 IntSize SVGImageCache::imageSizeForRenderer(const RenderObject* renderer) const

67 {

68 IntSize imageSize = m_svgImage->size();

69 if (!renderer)

70 return imageSize;

71

72 ImageForContainerMap::const_iterator it = m_imageForContainerMap.find(render er);

73 if (it == m_imageForContainerMap.end())

74 return imageSize;

75

76 RefPtr<SVGImageForContainer> imageForContainer = it->value;

77 ASSERT(!imageForContainer->size().isEmpty());

78 return imageForContainer->size();

79 }

80

81 // FIXME: This doesn't take into account the animation timeline so animations wi ll not

82 // restart on page load, nor will two animations in different pages have differe nt timelines.

83 Image* SVGImageCache::imageForRenderer(const RenderObject* renderer)

84 {

85 if (!renderer)

86 return Image::nullImage();

87

88 ImageForContainerMap::iterator it = m_imageForContainerMap.find(renderer);

89 if (it == m_imageForContainerMap.end())

90 return Image::nullImage();

91

92 RefPtr<SVGImageForContainer> imageForContainer = it->value;

93 ASSERT(!imageForContainer->size().isEmpty());

94 return imageForContainer.get();

95 }

96

97 } // namespace WebCore

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