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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" | |
6 | |
7 #include <limits.h> | 5 #include <limits.h> |
8 #include <stddef.h> | 6 #include <stddef.h> |
9 #include <stdint.h> | 7 #include <stdint.h> |
10 | 8 |
| 9 #include <memory> |
| 10 |
11 #include "base/i18n/rtl.h" | 11 #include "base/i18n/rtl.h" |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "base/numerics/safe_conversions.h" | 13 #include "base/numerics/safe_conversions.h" |
15 #include "build/build_config.h" | 14 #include "build/build_config.h" |
16 #include "third_party/skia/include/core/SkBitmap.h" | 15 #include "third_party/skia/include/core/SkBitmap.h" |
17 #include "third_party/skia/include/core/SkPixmap.h" | 16 #include "third_party/skia/include/core/SkPixmap.h" |
| 17 #include "ui/gfx/canvas.h" |
18 #include "ui/gfx/font_list.h" | 18 #include "ui/gfx/font_list.h" |
19 #include "ui/gfx/geometry/insets.h" | 19 #include "ui/gfx/geometry/insets.h" |
20 #include "ui/gfx/geometry/rect.h" | 20 #include "ui/gfx/geometry/rect.h" |
21 #include "ui/gfx/range/range.h" | 21 #include "ui/gfx/range/range.h" |
22 #include "ui/gfx/render_text.h" | 22 #include "ui/gfx/render_text.h" |
23 #include "ui/gfx/shadow_value.h" | 23 #include "ui/gfx/shadow_value.h" |
24 #include "ui/gfx/skia_util.h" | 24 #include "ui/gfx/skia_util.h" |
25 #include "ui/gfx/text_elider.h" | 25 #include "ui/gfx/text_elider.h" |
26 #include "ui/gfx/text_utils.h" | 26 #include "ui/gfx/text_utils.h" |
27 | 27 |
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143 WordWrapBehavior wrap_behavior = TRUNCATE_LONG_WORDS; | 143 WordWrapBehavior wrap_behavior = TRUNCATE_LONG_WORDS; |
144 if (flags & CHARACTER_BREAK) | 144 if (flags & CHARACTER_BREAK) |
145 wrap_behavior = WRAP_LONG_WORDS; | 145 wrap_behavior = WRAP_LONG_WORDS; |
146 else if (!(flags & NO_ELLIPSIS)) | 146 else if (!(flags & NO_ELLIPSIS)) |
147 wrap_behavior = ELIDE_LONG_WORDS; | 147 wrap_behavior = ELIDE_LONG_WORDS; |
148 | 148 |
149 std::vector<base::string16> strings; | 149 std::vector<base::string16> strings; |
150 ElideRectangleText(text, font_list, *width, INT_MAX, wrap_behavior, | 150 ElideRectangleText(text, font_list, *width, INT_MAX, wrap_behavior, |
151 &strings); | 151 &strings); |
152 Rect rect(base::saturated_cast<int>(*width), INT_MAX); | 152 Rect rect(base::saturated_cast<int>(*width), INT_MAX); |
153 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); | 153 std::unique_ptr<RenderText> render_text(RenderText::CreateInstance()); |
154 UpdateRenderText(rect, base::string16(), font_list, flags, 0, | 154 UpdateRenderText(rect, base::string16(), font_list, flags, 0, |
155 render_text.get()); | 155 render_text.get()); |
156 | 156 |
157 float h = 0; | 157 float h = 0; |
158 float w = 0; | 158 float w = 0; |
159 for (size_t i = 0; i < strings.size(); ++i) { | 159 for (size_t i = 0; i < strings.size(); ++i) { |
160 StripAcceleratorChars(flags, &strings[i]); | 160 StripAcceleratorChars(flags, &strings[i]); |
161 render_text->SetText(strings[i]); | 161 render_text->SetText(strings[i]); |
162 const SizeF& string_size = render_text->GetStringSizeF(); | 162 const SizeF& string_size = render_text->GetStringSizeF(); |
163 w = std::max(w, string_size.width()); | 163 w = std::max(w, string_size.width()); |
164 h += (i > 0 && line_height > 0) ? | 164 h += (i > 0 && line_height > 0) ? |
165 std::max(static_cast<float>(line_height), string_size.height()) | 165 std::max(static_cast<float>(line_height), string_size.height()) |
166 : string_size.height(); | 166 : string_size.height(); |
167 } | 167 } |
168 *width = w; | 168 *width = w; |
169 *height = h; | 169 *height = h; |
170 } else { | 170 } else { |
171 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); | 171 std::unique_ptr<RenderText> render_text(RenderText::CreateInstance()); |
172 Rect rect(base::saturated_cast<int>(*width), | 172 Rect rect(base::saturated_cast<int>(*width), |
173 base::saturated_cast<int>(*height)); | 173 base::saturated_cast<int>(*height)); |
174 base::string16 adjusted_text = text; | 174 base::string16 adjusted_text = text; |
175 StripAcceleratorChars(flags, &adjusted_text); | 175 StripAcceleratorChars(flags, &adjusted_text); |
176 UpdateRenderText(rect, adjusted_text, font_list, flags, 0, | 176 UpdateRenderText(rect, adjusted_text, font_list, flags, 0, |
177 render_text.get()); | 177 render_text.get()); |
178 const SizeF& string_size = render_text->GetStringSizeF(); | 178 const SizeF& string_size = render_text->GetStringSizeF(); |
179 *width = string_size.width(); | 179 *width = string_size.width(); |
180 *height = string_size.height(); | 180 *height = string_size.height(); |
181 } | 181 } |
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192 return; | 192 return; |
193 | 193 |
194 Rect clip_rect(text_bounds); | 194 Rect clip_rect(text_bounds); |
195 clip_rect.Inset(ShadowValue::GetMargin(shadows)); | 195 clip_rect.Inset(ShadowValue::GetMargin(shadows)); |
196 | 196 |
197 canvas_->save(); | 197 canvas_->save(); |
198 ClipRect(clip_rect); | 198 ClipRect(clip_rect); |
199 | 199 |
200 Rect rect(text_bounds); | 200 Rect rect(text_bounds); |
201 | 201 |
202 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); | 202 std::unique_ptr<RenderText> render_text(RenderText::CreateInstance()); |
203 render_text->set_shadows(shadows); | 203 render_text->set_shadows(shadows); |
204 | 204 |
205 if (flags & MULTI_LINE) { | 205 if (flags & MULTI_LINE) { |
206 WordWrapBehavior wrap_behavior = IGNORE_LONG_WORDS; | 206 WordWrapBehavior wrap_behavior = IGNORE_LONG_WORDS; |
207 if (flags & CHARACTER_BREAK) | 207 if (flags & CHARACTER_BREAK) |
208 wrap_behavior = WRAP_LONG_WORDS; | 208 wrap_behavior = WRAP_LONG_WORDS; |
209 else if (!(flags & NO_ELLIPSIS)) | 209 else if (!(flags & NO_ELLIPSIS)) |
210 wrap_behavior = ELIDE_LONG_WORDS; | 210 wrap_behavior = ELIDE_LONG_WORDS; |
211 | 211 |
212 std::vector<base::string16> strings; | 212 std::vector<base::string16> strings; |
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334 if (GetStringWidth(text, font_list) <= display_rect.width()) { | 334 if (GetStringWidth(text, font_list) <= display_rect.width()) { |
335 DrawStringRectWithFlags(text, font_list, color, display_rect, flags); | 335 DrawStringRectWithFlags(text, font_list, color, display_rect, flags); |
336 return; | 336 return; |
337 } | 337 } |
338 // Align with content directionality instead of fading both ends. | 338 // Align with content directionality instead of fading both ends. |
339 flags &= ~TEXT_ALIGN_CENTER; | 339 flags &= ~TEXT_ALIGN_CENTER; |
340 if (!(flags & (TEXT_ALIGN_LEFT | TEXT_ALIGN_RIGHT))) | 340 if (!(flags & (TEXT_ALIGN_LEFT | TEXT_ALIGN_RIGHT))) |
341 flags |= TEXT_ALIGN_TO_HEAD; | 341 flags |= TEXT_ALIGN_TO_HEAD; |
342 flags |= NO_ELLIPSIS; | 342 flags |= NO_ELLIPSIS; |
343 | 343 |
344 scoped_ptr<RenderText> render_text(RenderText::CreateInstance()); | 344 std::unique_ptr<RenderText> render_text(RenderText::CreateInstance()); |
345 Rect rect = display_rect; | 345 Rect rect = display_rect; |
346 UpdateRenderText(rect, text, font_list, flags, color, render_text.get()); | 346 UpdateRenderText(rect, text, font_list, flags, color, render_text.get()); |
347 render_text->SetElideBehavior(FADE_TAIL); | 347 render_text->SetElideBehavior(FADE_TAIL); |
348 | 348 |
349 canvas_->save(); | 349 canvas_->save(); |
350 ClipRect(display_rect); | 350 ClipRect(display_rect); |
351 render_text->Draw(this); | 351 render_text->Draw(this); |
352 canvas_->restore(); | 352 canvas_->restore(); |
353 } | 353 } |
354 | 354 |
355 } // namespace gfx | 355 } // namespace gfx |
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