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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 "ui/gfx/canvas.h" | 5 #include "ui/gfx/canvas.h" |
6 | 6 |
7 #include "base/i18n/rtl.h" | 7 #include "base/i18n/rtl.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/numerics/safe_conversions.h" |
10 #include "ui/gfx/font_list.h" | 11 #include "ui/gfx/font_list.h" |
11 #include "ui/gfx/geometry/insets.h" | 12 #include "ui/gfx/geometry/insets.h" |
12 #include "ui/gfx/geometry/rect.h" | 13 #include "ui/gfx/geometry/rect.h" |
13 #include "ui/gfx/geometry/safe_integer_conversions.h" | |
14 #include "ui/gfx/range/range.h" | 14 #include "ui/gfx/range/range.h" |
15 #include "ui/gfx/render_text.h" | 15 #include "ui/gfx/render_text.h" |
16 #include "ui/gfx/shadow_value.h" | 16 #include "ui/gfx/shadow_value.h" |
17 #include "ui/gfx/text_elider.h" | 17 #include "ui/gfx/text_elider.h" |
18 #include "ui/gfx/text_utils.h" | 18 #include "ui/gfx/text_utils.h" |
19 | 19 |
20 namespace gfx { | 20 namespace gfx { |
21 | 21 |
22 namespace { | 22 namespace { |
23 | 23 |
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134 if ((flags & MULTI_LINE) && *width != 0) { | 134 if ((flags & MULTI_LINE) && *width != 0) { |
135 WordWrapBehavior wrap_behavior = TRUNCATE_LONG_WORDS; | 135 WordWrapBehavior wrap_behavior = TRUNCATE_LONG_WORDS; |
136 if (flags & CHARACTER_BREAK) | 136 if (flags & CHARACTER_BREAK) |
137 wrap_behavior = WRAP_LONG_WORDS; | 137 wrap_behavior = WRAP_LONG_WORDS; |
138 else if (!(flags & NO_ELLIPSIS)) | 138 else if (!(flags & NO_ELLIPSIS)) |
139 wrap_behavior = ELIDE_LONG_WORDS; | 139 wrap_behavior = ELIDE_LONG_WORDS; |
140 | 140 |
141 std::vector<base::string16> strings; | 141 std::vector<base::string16> strings; |
142 ElideRectangleText(text, font_list, *width, INT_MAX, wrap_behavior, | 142 ElideRectangleText(text, font_list, *width, INT_MAX, wrap_behavior, |
143 &strings); | 143 &strings); |
144 Rect rect(ClampToInt(*width), INT_MAX); | 144 Rect rect(base::saturated_cast<int>(*width), INT_MAX); |
145 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); | 145 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); |
146 UpdateRenderText(rect, base::string16(), font_list, flags, 0, | 146 UpdateRenderText(rect, base::string16(), font_list, flags, 0, |
147 render_text.get()); | 147 render_text.get()); |
148 | 148 |
149 float h = 0; | 149 float h = 0; |
150 float w = 0; | 150 float w = 0; |
151 for (size_t i = 0; i < strings.size(); ++i) { | 151 for (size_t i = 0; i < strings.size(); ++i) { |
152 StripAcceleratorChars(flags, &strings[i]); | 152 StripAcceleratorChars(flags, &strings[i]); |
153 render_text->SetText(strings[i]); | 153 render_text->SetText(strings[i]); |
154 const SizeF& string_size = render_text->GetStringSizeF(); | 154 const SizeF& string_size = render_text->GetStringSizeF(); |
155 w = std::max(w, string_size.width()); | 155 w = std::max(w, string_size.width()); |
156 h += (i > 0 && line_height > 0) ? | 156 h += (i > 0 && line_height > 0) ? |
157 std::max(static_cast<float>(line_height), string_size.height()) | 157 std::max(static_cast<float>(line_height), string_size.height()) |
158 : string_size.height(); | 158 : string_size.height(); |
159 } | 159 } |
160 *width = w; | 160 *width = w; |
161 *height = h; | 161 *height = h; |
162 } else { | 162 } else { |
163 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); | 163 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); |
164 Rect rect(ClampToInt(*width), ClampToInt(*height)); | 164 Rect rect(base::saturated_cast<int>(*width), |
| 165 base::saturated_cast<int>(*height)); |
165 base::string16 adjusted_text = text; | 166 base::string16 adjusted_text = text; |
166 StripAcceleratorChars(flags, &adjusted_text); | 167 StripAcceleratorChars(flags, &adjusted_text); |
167 UpdateRenderText(rect, adjusted_text, font_list, flags, 0, | 168 UpdateRenderText(rect, adjusted_text, font_list, flags, 0, |
168 render_text.get()); | 169 render_text.get()); |
169 const SizeF& string_size = render_text->GetStringSizeF(); | 170 const SizeF& string_size = render_text->GetStringSizeF(); |
170 *width = string_size.width(); | 171 *width = string_size.width(); |
171 *height = string_size.height(); | 172 *height = string_size.height(); |
172 } | 173 } |
173 } | 174 } |
174 | 175 |
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334 UpdateRenderText(rect, text, font_list, flags, color, render_text.get()); | 335 UpdateRenderText(rect, text, font_list, flags, color, render_text.get()); |
335 render_text->SetElideBehavior(FADE_TAIL); | 336 render_text->SetElideBehavior(FADE_TAIL); |
336 | 337 |
337 canvas_->save(); | 338 canvas_->save(); |
338 ClipRect(display_rect); | 339 ClipRect(display_rect); |
339 render_text->Draw(this); | 340 render_text->Draw(this); |
340 canvas_->restore(); | 341 canvas_->restore(); |
341 } | 342 } |
342 | 343 |
343 } // namespace gfx | 344 } // namespace gfx |
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