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Side by Side Diff: cc/font_atlas.h

Issue 11189043: cc: Rename cc classes and members to match filenames (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 2 months ago
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1 // Copyright 2012 The Chromium Authors. All rights reserved. 1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CCFontAtlas_h 5 #ifndef CCFontAtlas_h
6 #define CCFontAtlas_h 6 #define CCFontAtlas_h
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
12 #include "IntRect.h" 12 #include "IntRect.h"
13 #include "third_party/skia/include/core/SkBitmap.h" 13 #include "third_party/skia/include/core/SkBitmap.h"
14 14
15 class SkCanvas; 15 class SkCanvas;
16 16
17 namespace gfx { 17 namespace gfx {
18 class Point; 18 class Point;
19 } 19 }
20 20
21 namespace cc { 21 namespace cc {
22 22
23 class IntSize; 23 class IntSize;
24 24
25 // This class provides basic ability to draw text onto the heads-up display. 25 // This class provides basic ability to draw text onto the heads-up display.
26 class CCFontAtlas { 26 class FontAtlas {
27 public: 27 public:
28 static scoped_ptr<CCFontAtlas> create(SkBitmap bitmap, IntRect asciiToRectTa ble[128], int fontHeight) 28 static scoped_ptr<FontAtlas> create(SkBitmap bitmap, IntRect asciiToRectTabl e[128], int fontHeight)
29 { 29 {
30 return make_scoped_ptr(new CCFontAtlas(bitmap, asciiToRectTable, fontHei ght)); 30 return make_scoped_ptr(new FontAtlas(bitmap, asciiToRectTable, fontHeigh t));
31 } 31 }
32 ~CCFontAtlas(); 32 ~FontAtlas();
33 33
34 // Draws multiple lines of text where each line of text is separated by '\n' . 34 // Draws multiple lines of text where each line of text is separated by '\n' .
35 // - Correct glyphs will be drawn for ASCII codes in the range 32-127; any c haracters 35 // - Correct glyphs will be drawn for ASCII codes in the range 32-127; any c haracters
36 // outside that range will be displayed as a default rectangle glyph. 36 // outside that range will be displayed as a default rectangle glyph.
37 // - IntSize clip is used to avoid wasting time drawing things that are outs ide the 37 // - IntSize clip is used to avoid wasting time drawing things that are outs ide the
38 // target canvas bounds. 38 // target canvas bounds.
39 // - Should only be called only on the impl thread. 39 // - Should only be called only on the impl thread.
40 void drawText(SkCanvas*, const SkPaint&, const std::string& text, const gfx: :Point& destPosition, const IntSize& clip) const; 40 void drawText(SkCanvas*, const SkPaint&, const std::string& text, const gfx: :Point& destPosition, const IntSize& clip) const;
41 41
42 // Draws the entire atlas at the specified position, just for debugging purp oses. 42 // Draws the entire atlas at the specified position, just for debugging purp oses.
43 void drawDebugAtlas(SkCanvas*, const gfx::Point& destPosition) const; 43 void drawDebugAtlas(SkCanvas*, const gfx::Point& destPosition) const;
44 44
45 private: 45 private:
46 CCFontAtlas(SkBitmap, IntRect asciiToRectTable[128], int fontHeight); 46 FontAtlas(SkBitmap, IntRect asciiToRectTable[128], int fontHeight);
47 47
48 void drawOneLineOfTextInternal(SkCanvas*, const SkPaint&, const std::string& , const gfx::Point& destPosition) const; 48 void drawOneLineOfTextInternal(SkCanvas*, const SkPaint&, const std::string& , const gfx::Point& destPosition) const;
49 49
50 // The actual texture atlas containing all the pre-rendered glyphs. 50 // The actual texture atlas containing all the pre-rendered glyphs.
51 SkBitmap m_atlas; 51 SkBitmap m_atlas;
52 52
53 // The look-up tables mapping ascii characters to their IntRect locations on the atlas. 53 // The look-up tables mapping ascii characters to their IntRect locations on the atlas.
54 IntRect m_asciiToRectTable[128]; 54 IntRect m_asciiToRectTable[128];
55 55
56 int m_fontHeight; 56 int m_fontHeight;
57 57
58 DISALLOW_COPY_AND_ASSIGN(CCFontAtlas); 58 DISALLOW_COPY_AND_ASSIGN(FontAtlas);
59 }; 59 };
60 60
61 } // namespace cc 61 } // namespace cc
62 62
63 #endif 63 #endif
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