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1 /* | 1 /* |
2 * Copyright 2010 The Android Open Source Project | 2 * Copyright 2010 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkDevice_DEFINED | 8 #ifndef SkDevice_DEFINED |
9 #define SkDevice_DEFINED | 9 #define SkDevice_DEFINED |
10 | 10 |
11 #include "SkRefCnt.h" | 11 #include "SkRefCnt.h" |
12 #include "SkCanvas.h" | 12 #include "SkCanvas.h" |
13 #include "SkColor.h" | 13 #include "SkColor.h" |
14 #include "SkSurfaceProps.h" | 14 #include "SkSurfaceProps.h" |
15 | 15 |
16 class SkBitmap; | 16 class SkBitmap; |
17 class SkClipStack; | 17 class SkClipStack; |
18 class SkDraw; | 18 class SkDraw; |
19 class SkDrawFilter; | 19 class SkDrawFilter; |
20 class SkImageFilterCache; | 20 class SkImageFilterCache; |
21 struct SkIRect; | 21 struct SkIRect; |
22 class SkMatrix; | 22 class SkMatrix; |
23 class SkMetaData; | 23 class SkMetaData; |
| 24 class SkRasterCanvasLayerAllocator; |
24 class SkRegion; | 25 class SkRegion; |
25 class GrRenderTarget; | 26 class GrRenderTarget; |
26 | 27 |
27 class SK_API SkBaseDevice : public SkRefCnt { | 28 class SK_API SkBaseDevice : public SkRefCnt { |
28 public: | 29 public: |
29 /** | 30 /** |
30 * Construct a new device. | 31 * Construct a new device. |
31 */ | 32 */ |
32 explicit SkBaseDevice(const SkSurfaceProps&); | 33 explicit SkBaseDevice(const SkSurfaceProps&); |
33 virtual ~SkBaseDevice(); | 34 virtual ~SkBaseDevice(); |
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354 * Create a new device based on CreateInfo. If the paint is not null, then
it represents a | 355 * Create a new device based on CreateInfo. If the paint is not null, then
it represents a |
355 * preview of how the new device will be composed with its creator device (
this). | 356 * preview of how the new device will be composed with its creator device (
this). |
356 * | 357 * |
357 * The subclass may be handed this device in drawDevice(), so it must alway
s return | 358 * The subclass may be handed this device in drawDevice(), so it must alway
s return |
358 * a device that it knows how to draw, and that it knows how to identify if
it is not of the | 359 * a device that it knows how to draw, and that it knows how to identify if
it is not of the |
359 * same subclass (since drawDevice is passed a SkBaseDevice*). If the subcl
ass cannot fulfill | 360 * same subclass (since drawDevice is passed a SkBaseDevice*). If the subcl
ass cannot fulfill |
360 * that contract (e.g. PDF cannot support some settings on the paint) it sh
ould return NULL, | 361 * that contract (e.g. PDF cannot support some settings on the paint) it sh
ould return NULL, |
361 * and the caller may then decide to explicitly create a bitmapdevice, know
ing that later | 362 * and the caller may then decide to explicitly create a bitmapdevice, know
ing that later |
362 * it could not call drawDevice with it (but it could call drawSprite or dr
awBitmap). | 363 * it could not call drawDevice with it (but it could call drawSprite or dr
awBitmap). |
363 */ | 364 */ |
364 virtual SkBaseDevice* onCreateDevice(const CreateInfo&, const SkPaint*) { | 365 virtual SkBaseDevice* onCreateDevice(const CreateInfo&, |
| 366 const SkPaint*, |
| 367 SkRasterCanvasLayerAllocator*) { |
365 return NULL; | 368 return NULL; |
366 } | 369 } |
367 | 370 |
368 /** | 371 /** |
369 * Calls through to drawSprite, processing the imagefilter. | 372 * Calls through to drawSprite, processing the imagefilter. |
370 */ | 373 */ |
371 virtual void drawSpriteWithFilter(const SkDraw&, const SkBitmap&, | 374 virtual void drawSpriteWithFilter(const SkDraw&, const SkBitmap&, |
372 int x, int y, const SkPaint&); | 375 int x, int y, const SkPaint&); |
373 | 376 |
374 // A helper function used by derived classes to log the scale factor of a bi
tmap or image draw. | 377 // A helper function used by derived classes to log the scale factor of a bi
tmap or image draw. |
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405 SkSurfaceProps fSurfaceProps; | 408 SkSurfaceProps fSurfaceProps; |
406 | 409 |
407 #ifdef SK_DEBUG | 410 #ifdef SK_DEBUG |
408 bool fAttachedToCanvas; | 411 bool fAttachedToCanvas; |
409 #endif | 412 #endif |
410 | 413 |
411 typedef SkRefCnt INHERITED; | 414 typedef SkRefCnt INHERITED; |
412 }; | 415 }; |
413 | 416 |
414 #endif | 417 #endif |
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