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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "public/platform/WebFont.h" | 5 #include "public/platform/WebFont.h" |
6 | 6 |
7 #include "platform/fonts/Font.h" | 7 #include "platform/fonts/Font.h" |
8 #include "platform/fonts/FontCache.h" | 8 #include "platform/fonts/FontCache.h" |
9 #include "platform/fonts/FontDescription.h" | 9 #include "platform/fonts/FontDescription.h" |
10 #include "platform/graphics/GraphicsContext.h" | 10 #include "platform/graphics/GraphicsContext.h" |
(...skipping 15 matching lines...) Expand all Loading... |
26 } | 26 } |
27 | 27 |
28 class WebFont::Impl final : public DisplayItemClient { | 28 class WebFont::Impl final : public DisplayItemClient { |
29 public: | 29 public: |
30 explicit Impl(const WebFontDescription& description) | 30 explicit Impl(const WebFontDescription& description) |
31 : m_font(description) | 31 : m_font(description) |
32 { | 32 { |
33 m_font.update(nullptr); | 33 m_font.update(nullptr); |
34 } | 34 } |
35 | 35 |
36 const Font& font() const { return m_font; } | 36 const Font& getFont() const { return m_font; } |
37 String debugName() const final { return "WebFont::Impl"; } | 37 String debugName() const final { return "WebFont::Impl"; } |
38 LayoutRect visualRect() const final | 38 LayoutRect visualRect() const final |
39 { | 39 { |
40 // TODO(chrishtr): fix this. | 40 // TODO(chrishtr): fix this. |
41 return LayoutRect(); | 41 return LayoutRect(); |
42 } | 42 } |
43 | 43 |
44 private: | 44 private: |
45 Font m_font; | 45 Font m_font; |
46 }; | 46 }; |
47 | 47 |
48 WebFont::WebFont(const WebFontDescription& description) | 48 WebFont::WebFont(const WebFontDescription& description) |
49 : m_private(new Impl(description)) | 49 : m_private(new Impl(description)) |
50 { | 50 { |
51 } | 51 } |
52 | 52 |
53 WebFont::~WebFont() | 53 WebFont::~WebFont() |
54 { | 54 { |
55 m_private.reset(0); | 55 m_private.reset(0); |
56 } | 56 } |
57 | 57 |
58 WebFontDescription WebFont::fontDescription() const | 58 WebFontDescription WebFont::getFontDescription() const |
59 { | 59 { |
60 return WebFontDescription(m_private->font().fontDescription()); | 60 return WebFontDescription(m_private->getFont().getFontDescription()); |
61 } | 61 } |
62 | 62 |
63 int WebFont::ascent() const | 63 int WebFont::ascent() const |
64 { | 64 { |
65 return m_private->font().fontMetrics().ascent(); | 65 return m_private->getFont().getFontMetrics().ascent(); |
66 } | 66 } |
67 | 67 |
68 int WebFont::descent() const | 68 int WebFont::descent() const |
69 { | 69 { |
70 return m_private->font().fontMetrics().descent(); | 70 return m_private->getFont().getFontMetrics().descent(); |
71 } | 71 } |
72 | 72 |
73 int WebFont::height() const | 73 int WebFont::height() const |
74 { | 74 { |
75 return m_private->font().fontMetrics().height(); | 75 return m_private->getFont().getFontMetrics().height(); |
76 } | 76 } |
77 | 77 |
78 int WebFont::lineSpacing() const | 78 int WebFont::lineSpacing() const |
79 { | 79 { |
80 return m_private->font().fontMetrics().lineSpacing(); | 80 return m_private->getFont().getFontMetrics().lineSpacing(); |
81 } | 81 } |
82 | 82 |
83 float WebFont::xHeight() const | 83 float WebFont::xHeight() const |
84 { | 84 { |
85 return m_private->font().fontMetrics().xHeight(); | 85 return m_private->getFont().getFontMetrics().xHeight(); |
86 } | 86 } |
87 | 87 |
88 void WebFont::drawText(WebCanvas* canvas, const WebTextRun& run, | 88 void WebFont::drawText(WebCanvas* canvas, const WebTextRun& run, |
89 const WebFloatPoint& leftBaseline, WebColor color, const WebRect& clip) cons
t | 89 const WebFloatPoint& leftBaseline, WebColor color, const WebRect& clip) cons
t |
90 { | 90 { |
91 FontCachePurgePreventer fontCachePurgePreventer; | 91 FontCachePurgePreventer fontCachePurgePreventer; |
92 FloatRect textClipRect(clip); | 92 FloatRect textClipRect(clip); |
93 TextRun textRun(run); | 93 TextRun textRun(run); |
94 TextRunPaintInfo runInfo(textRun); | 94 TextRunPaintInfo runInfo(textRun); |
95 runInfo.bounds = textClipRect; | 95 runInfo.bounds = textClipRect; |
96 | 96 |
97 IntRect intRect(clip); | 97 IntRect intRect(clip); |
98 SkPictureBuilder pictureBuilder(intRect); | 98 SkPictureBuilder pictureBuilder(intRect); |
99 GraphicsContext& context = pictureBuilder.context(); | 99 GraphicsContext& context = pictureBuilder.context(); |
100 | 100 |
101 ASSERT(!DrawingRecorder::useCachedDrawingIfPossible(context, *m_private, Dis
playItem::WebFont)); | 101 ASSERT(!DrawingRecorder::useCachedDrawingIfPossible(context, *m_private, Dis
playItem::WebFont)); |
102 { | 102 { |
103 DrawingRecorder drawingRecorder(context, *m_private, DisplayItem::WebFon
t, intRect); | 103 DrawingRecorder drawingRecorder(context, *m_private, DisplayItem::WebFon
t, intRect); |
104 context.save(); | 104 context.save(); |
105 context.setFillColor(color); | 105 context.setFillColor(color); |
106 context.clip(textClipRect); | 106 context.clip(textClipRect); |
107 context.drawText(m_private->font(), runInfo, leftBaseline); | 107 context.drawText(m_private->getFont(), runInfo, leftBaseline); |
108 context.restore(); | 108 context.restore(); |
109 } | 109 } |
110 | 110 |
111 pictureBuilder.endRecording()->playback(canvas); | 111 pictureBuilder.endRecording()->playback(canvas); |
112 } | 112 } |
113 | 113 |
114 int WebFont::calculateWidth(const WebTextRun& run) const | 114 int WebFont::calculateWidth(const WebTextRun& run) const |
115 { | 115 { |
116 return m_private->font().width(run, 0); | 116 return m_private->getFont().width(run, 0); |
117 } | 117 } |
118 | 118 |
119 int WebFont::offsetForPosition(const WebTextRun& run, float position) const | 119 int WebFont::offsetForPosition(const WebTextRun& run, float position) const |
120 { | 120 { |
121 return m_private->font().offsetForPosition(run, position, true); | 121 return m_private->getFont().offsetForPosition(run, position, true); |
122 } | 122 } |
123 | 123 |
124 WebFloatRect WebFont::selectionRectForText(const WebTextRun& run, const WebFloat
Point& leftBaseline, int height, int from, int to) const | 124 WebFloatRect WebFont::selectionRectForText(const WebTextRun& run, const WebFloat
Point& leftBaseline, int height, int from, int to) const |
125 { | 125 { |
126 return m_private->font().selectionRectForText(run, leftBaseline, height, fro
m, to); | 126 return m_private->getFont().selectionRectForText(run, leftBaseline, height,
from, to); |
127 } | 127 } |
128 | 128 |
129 } // namespace blink | 129 } // namespace blink |
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