Source/core/rendering/svg/SVGTextRunRenderingContext.h - Issue 656913006: Remove SVG fonts

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Issue 656913006: Remove SVG fonts (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Update tests for landing Created 6 years, 1 month ago

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1 /*

2 * Copyright (C) Research In Motion Limited 2011. All rights reserved.

3 *

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

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

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

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

8 *

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

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

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

12 * Library General Public License for more details.

13 *

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

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

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

17 * Boston, MA 02110-1301, USA.

18 *

19 */

20

21 #ifndef SVGTextRunRenderingContext_h

22 #define SVGTextRunRenderingContext_h

23

24 #include "platform/fonts/Font.h"

25 #include "platform/text/TextRun.h"

26

27 namespace blink {

28

29 class RenderObject;

30 class RenderSVGResource;

31

32 class SVGTextRunRenderingContext final : public TextRun::RenderingContext {

33 public:

34 static PassRefPtr<SVGTextRunRenderingContext> create(RenderObject* renderer)

35 {

36 return adoptRef(new SVGTextRunRenderingContext(renderer));

37 }

38

39 RenderObject* renderer() const { return m_renderer; }

40

41 #if ENABLE(SVG_FONTS)

42 virtual GlyphData glyphDataForCharacter(const Font&, const TextRun&, SimpleS haper&, UChar32 character, bool mirror, int currentCharacter, unsigned& advanceL ength) override;

43 virtual void drawSVGGlyphs(GraphicsContext, const TextRun&, const SimpleFon tData, const GlyphBuffer&, int from, int to, const FloatPoint&) const override;

44 virtual float floatWidthUsingSVGFont(const Font&, const TextRun&, int& chars Consumed, Glyph& glyphId) const override;

45 #else

46 virtual GlyphData glyphDataForCharacter(const Font&, const TextRun&, SimpleS haper&, UChar32 character, bool mirror, int currentCharacter, unsigned& advanceL ength) override { return 0; }

47 virtual void drawSVGGlyphs(GraphicsContext, const TextRun&, const SimpleFon tData, const GlyphBuffer&, int from, int to, const FloatPoint&) const override { }

48 virtual float floatWidthUsingSVGFont(const Font&, const TextRun&, int& chars Consumed, Glyph& glyphId) const override { return 0; }

49 #endif

50

51 private:

52 SVGTextRunRenderingContext(RenderObject* renderer)

53 : m_renderer(renderer)

54 {

55 }

56

57 virtual ~SVGTextRunRenderingContext() { }

58

59 RenderObject* m_renderer;

60 };

61

62 inline bool textRunNeedsRenderingContext(const Font& font)

63 {

64 // Only save the extra data if SVG Fonts are used, which depend on them.

65 // FIXME: SVG Fonts won't work as segmented fonts at the moment, if that's f ixed, we need to check for them as well below.

66 ASSERT(font.primaryFont());

67 return font.primaryFont()->isSVGFont();

68 }

69

70 } // namespace blink

71

72 #endif // SVGTextRunRenderingContext_h

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