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Side by Side Diff: ui/gfx/canvas.h

Issue 1543183002: Switch to standard integer types in ui/gfx/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years ago
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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 #ifndef UI_GFX_CANVAS_H_ 5 #ifndef UI_GFX_CANVAS_H_
6 #define UI_GFX_CANVAS_H_ 6 #define UI_GFX_CANVAS_H_
7 7
8 #include <stdint.h>
9
8 #include <vector> 10 #include <vector>
9 11
10 #include "base/basictypes.h" 12 #include "base/macros.h"
11 #include "base/memory/scoped_ptr.h" 13 #include "base/memory/scoped_ptr.h"
12 #include "base/strings/string16.h" 14 #include "base/strings/string16.h"
13 #include "skia/ext/platform_canvas.h" 15 #include "skia/ext/platform_canvas.h"
14 #include "skia/ext/refptr.h" 16 #include "skia/ext/refptr.h"
15 #include "ui/gfx/image/image_skia.h" 17 #include "ui/gfx/image/image_skia.h"
16 #include "ui/gfx/native_widget_types.h" 18 #include "ui/gfx/native_widget_types.h"
17 #include "ui/gfx/shadow_value.h" 19 #include "ui/gfx/shadow_value.h"
18 #include "ui/gfx/text_constants.h" 20 #include "ui/gfx/text_constants.h"
19 21
20 namespace gfx { 22 namespace gfx {
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172 float UndoDeviceScaleFactor(); 174 float UndoDeviceScaleFactor();
173 175
174 // Saves a copy of the drawing state onto a stack, operating on this copy 176 // Saves a copy of the drawing state onto a stack, operating on this copy
175 // until a balanced call to Restore() is made. 177 // until a balanced call to Restore() is made.
176 void Save(); 178 void Save();
177 179
178 // As with Save(), except draws to a layer that is blended with the canvas 180 // As with Save(), except draws to a layer that is blended with the canvas
179 // at the specified alpha once Restore() is called. 181 // at the specified alpha once Restore() is called.
180 // |layer_bounds| are the bounds of the layer relative to the current 182 // |layer_bounds| are the bounds of the layer relative to the current
181 // transform. 183 // transform.
182 void SaveLayerAlpha(uint8 alpha); 184 void SaveLayerAlpha(uint8_t alpha);
183 void SaveLayerAlpha(uint8 alpha, const Rect& layer_bounds); 185 void SaveLayerAlpha(uint8_t alpha, const Rect& layer_bounds);
184 186
185 // Restores the drawing state after a call to Save*(). It is an error to 187 // Restores the drawing state after a call to Save*(). It is an error to
186 // call Restore() more times than Save*(). 188 // call Restore() more times than Save*().
187 void Restore(); 189 void Restore();
188 190
189 // Adds |rect| to the current clip. 191 // Adds |rect| to the current clip.
190 void ClipRect(const Rect& rect); 192 void ClipRect(const Rect& rect);
191 193
192 // Adds |path| to the current clip. |do_anti_alias| is true if the clip 194 // Adds |path| to the current clip. |do_anti_alias| is true if the clip
193 // should be antialiased. 195 // should be antialiased.
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261 void DrawPath(const SkPath& path, const SkPaint& paint); 263 void DrawPath(const SkPath& path, const SkPaint& paint);
262 264
263 // Draws an image with the origin at the specified location. The upper left 265 // Draws an image with the origin at the specified location. The upper left
264 // corner of the bitmap is rendered at the specified location. 266 // corner of the bitmap is rendered at the specified location.
265 // Parameters are specified relative to current canvas scale not in pixels. 267 // Parameters are specified relative to current canvas scale not in pixels.
266 // Thus, x is 2 pixels if canvas scale = 2 & |x| = 1. 268 // Thus, x is 2 pixels if canvas scale = 2 & |x| = 1.
267 void DrawImageInt(const ImageSkia&, int x, int y); 269 void DrawImageInt(const ImageSkia&, int x, int y);
268 270
269 // Helper for DrawImageInt(..., paint) that constructs a temporary paint and 271 // Helper for DrawImageInt(..., paint) that constructs a temporary paint and
270 // calls paint.setAlpha(alpha). 272 // calls paint.setAlpha(alpha).
271 void DrawImageInt(const ImageSkia&, int x, int y, uint8 alpha); 273 void DrawImageInt(const ImageSkia&, int x, int y, uint8_t alpha);
272 274
273 // Draws an image with the origin at the specified location, using the 275 // Draws an image with the origin at the specified location, using the
274 // specified paint. The upper left corner of the bitmap is rendered at the 276 // specified paint. The upper left corner of the bitmap is rendered at the
275 // specified location. 277 // specified location.
276 // Parameters are specified relative to current canvas scale not in pixels. 278 // Parameters are specified relative to current canvas scale not in pixels.
277 // Thus, |x| is 2 pixels if canvas scale = 2 & |x| = 1. 279 // Thus, |x| is 2 pixels if canvas scale = 2 & |x| = 1.
278 void DrawImageInt(const ImageSkia& image, 280 void DrawImageInt(const ImageSkia& image,
279 int x, 281 int x,
280 int y, 282 int y,
281 const SkPaint& paint); 283 const SkPaint& paint);
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439 441
440 skia::RefPtr<skia::PlatformCanvas> owned_canvas_; 442 skia::RefPtr<skia::PlatformCanvas> owned_canvas_;
441 SkCanvas* canvas_; 443 SkCanvas* canvas_;
442 444
443 DISALLOW_COPY_AND_ASSIGN(Canvas); 445 DISALLOW_COPY_AND_ASSIGN(Canvas);
444 }; 446 };
445 447
446 } // namespace gfx 448 } // namespace gfx
447 449
448 #endif // UI_GFX_CANVAS_H_ 450 #endif // UI_GFX_CANVAS_H_
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