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Side by Side Diff: cc/font_atlas.cc

Issue 11264056: cc: Use gfx:: Geometry types for positions, bounds, and related things. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: some missed intstuff Created 8 years, 1 month 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 #include "config.h" 5 #include "config.h"
6 6
7 #include "cc/font_atlas.h" 7 #include "cc/font_atlas.h"
8 8
9 #include <vector> 9 #include <vector>
10 10
11 #include "base/string_split.h" 11 #include "base/string_split.h"
12 #include "cc/proxy.h" 12 #include "cc/proxy.h"
13 #include "third_party/skia/include/core/SkCanvas.h" 13 #include "third_party/skia/include/core/SkCanvas.h"
14 #include "ui/gfx/point.h"
15 14
16 namespace cc { 15 namespace cc {
17 16
18 using namespace std; 17 using namespace std;
19 18
20 FontAtlas::FontAtlas(SkBitmap bitmap, IntRect asciiToRectTable[128], int fontHei ght) 19 FontAtlas::FontAtlas(SkBitmap bitmap, gfx::Rect asciiToRectTable[128], int fontH eight)
21 : m_atlas(bitmap) 20 : m_atlas(bitmap)
22 , m_fontHeight(fontHeight) 21 , m_fontHeight(fontHeight)
23 { 22 {
24 for (size_t i = 0; i < 128; ++i) 23 for (size_t i = 0; i < 128; ++i)
25 m_asciiToRectTable[i] = asciiToRectTable[i]; 24 m_asciiToRectTable[i] = asciiToRectTable[i];
26 } 25 }
27 26
28 FontAtlas::~FontAtlas() 27 FontAtlas::~FontAtlas()
29 { 28 {
30 } 29 }
31 30
32 void FontAtlas::drawText(SkCanvas* canvas, const SkPaint& paint, const std::stri ng& text, const gfx::Point& destPosition, const IntSize& clip) const 31 void FontAtlas::drawText(SkCanvas* canvas, const SkPaint& paint, const std::stri ng& text, const gfx::Point& destPosition, const gfx::Size& clip) const
33 { 32 {
34 DCHECK(Proxy::isImplThread()); 33 DCHECK(Proxy::isImplThread());
35 34
36 std::vector<std::string> lines; 35 std::vector<std::string> lines;
37 base::SplitString(text, '\n', &lines); 36 base::SplitString(text, '\n', &lines);
38 37
39 gfx::Point position = destPosition; 38 gfx::Point position = destPosition;
40 for (size_t i = 0; i < lines.size(); ++i) { 39 for (size_t i = 0; i < lines.size(); ++i) {
41 drawOneLineOfTextInternal(canvas, paint, lines[i], position); 40 drawOneLineOfTextInternal(canvas, paint, lines[i], position);
42 position.set_y(position.y() + m_fontHeight); 41 position.set_y(position.y() + m_fontHeight);
43 if (position.y() > clip.height()) 42 if (position.y() > clip.height())
44 return; 43 return;
45 } 44 }
46 } 45 }
47 46
48 void FontAtlas::drawOneLineOfTextInternal(SkCanvas* canvas, const SkPaint& paint , const std::string& textLine, const gfx::Point& destPosition) const 47 void FontAtlas::drawOneLineOfTextInternal(SkCanvas* canvas, const SkPaint& paint , const std::string& textLine, const gfx::Point& destPosition) const
49 { 48 {
50 DCHECK(Proxy::isImplThread()); 49 DCHECK(Proxy::isImplThread());
51 50
52 gfx::Point position = destPosition; 51 gfx::Point position = destPosition;
53 for (unsigned i = 0; i < textLine.length(); ++i) { 52 for (unsigned i = 0; i < textLine.length(); ++i) {
54 // If the ASCII code is out of bounds, then index 0 is used, which is ju st a plain rectangle glyph. 53 // If the ASCII code is out of bounds, then index 0 is used, which is ju st a plain rectangle glyph.
55 int asciiIndex = (textLine[i] < 128) ? textLine[i] : 0; 54 int asciiIndex = (textLine[i] < 128) ? textLine[i] : 0;
56 IntRect glyphBounds = m_asciiToRectTable[asciiIndex]; 55 gfx::Rect glyphBounds = m_asciiToRectTable[asciiIndex];
57 SkIRect source = SkIRect::MakeXYWH(glyphBounds.x(), glyphBounds.y(), gly phBounds.width(), glyphBounds.height()); 56 SkIRect source = SkIRect::MakeXYWH(glyphBounds.x(), glyphBounds.y(), gly phBounds.width(), glyphBounds.height());
58 canvas->drawBitmapRect(m_atlas, &source, SkRect::MakeXYWH(position.x(), position.y(), glyphBounds.width(), glyphBounds.height()), &paint); 57 canvas->drawBitmapRect(m_atlas, &source, SkRect::MakeXYWH(position.x(), position.y(), glyphBounds.width(), glyphBounds.height()), &paint);
59 position.set_x(position.x() + glyphBounds.width()); 58 position.set_x(position.x() + glyphBounds.width());
60 } 59 }
61 } 60 }
62 61
63 void FontAtlas::drawDebugAtlas(SkCanvas* canvas, const gfx::Point& destPosition) const 62 void FontAtlas::drawDebugAtlas(SkCanvas* canvas, const gfx::Point& destPosition) const
64 { 63 {
65 DCHECK(Proxy::isImplThread()); 64 DCHECK(Proxy::isImplThread());
66 65
67 SkIRect source = SkIRect::MakeWH(m_atlas.width(), m_atlas.height()); 66 SkIRect source = SkIRect::MakeWH(m_atlas.width(), m_atlas.height());
68 canvas->drawBitmapRect(m_atlas, &source, SkRect::MakeXYWH(destPosition.x(), destPosition.y(), m_atlas.width(), m_atlas.height())); 67 canvas->drawBitmapRect(m_atlas, &source, SkRect::MakeXYWH(destPosition.x(), destPosition.y(), m_atlas.width(), m_atlas.height()));
69 } 68 }
70 69
71 } // namespace cc 70 } // namespace cc
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