Chromium Code Reviews| OLD | NEW |
|---|---|
| 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 |
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| 98 | 98 |
| 99 /** | 99 /** |
| 100 * Try to get read-only-access to the pixels behind the device. If successf ul, this returns | 100 * Try to get read-only-access to the pixels behind the device. If successf ul, this returns |
| 101 * true and fills-out the pixmap parameter. | 101 * true and fills-out the pixmap parameter. |
| 102 * | 102 * |
| 103 * On failure, returns false and ignores the pixmap parameter. | 103 * On failure, returns false and ignores the pixmap parameter. |
| 104 */ | 104 */ |
| 105 bool peekPixels(SkPixmap*); | 105 bool peekPixels(SkPixmap*); |
| 106 | 106 |
| 107 /** | 107 /** |
| 108 * Return the device's associated gpu render target, or NULL. | |
| 109 */ | |
| 110 virtual GrRenderTarget* accessRenderTarget() { return nullptr; } | |
| 111 | |
| 112 /** | |
| 113 * Don't call this! | |
| 114 */ | |
| 115 virtual GrDrawContext* accessDrawContext() { return nullptr; } | |
| 116 | |
| 117 /** | |
| 118 * Return the device's origin: its offset in device coordinates from | 108 * Return the device's origin: its offset in device coordinates from |
| 119 * the default origin in its canvas' matrix/clip | 109 * the default origin in its canvas' matrix/clip |
| 120 */ | 110 */ |
| 121 const SkIPoint& getOrigin() const { return fOrigin; } | 111 const SkIPoint& getOrigin() const { return fOrigin; } |
| 122 | 112 |
| 123 /** | 113 /** |
| 124 * onAttachToCanvas is invoked whenever a device is installed in a canvas | 114 * onAttachToCanvas is invoked whenever a device is installed in a canvas |
| 125 * (i.e., setDevice, saveLayer (for the new device created by the save), | 115 * (i.e., setDevice, saveLayer (for the new device created by the save), |
| 126 * and SkCanvas' SkBaseDevice & SkBitmap -taking ctors). It allows the | 116 * and SkCanvas' SkBaseDevice & SkBitmap -taking ctors). It allows the |
| 127 * devices to prepare for drawing (e.g., locking their pixels, etc.) | 117 * devices to prepare for drawing (e.g., locking their pixels, etc.) |
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| 378 friend class DeviceTestingAccess; | 368 friend class DeviceTestingAccess; |
| 379 | 369 |
| 380 // used to change the backend's pixels (and possibly config/rowbytes) | 370 // used to change the backend's pixels (and possibly config/rowbytes) |
| 381 // but cannot change the width/height, so there should be no change to | 371 // but cannot change the width/height, so there should be no change to |
| 382 // any clip information. | 372 // any clip information. |
| 383 // TODO: move to SkBitmapDevice | 373 // TODO: move to SkBitmapDevice |
| 384 virtual void replaceBitmapBackendForRasterSurface(const SkBitmap&) {} | 374 virtual void replaceBitmapBackendForRasterSurface(const SkBitmap&) {} |
| 385 | 375 |
| 386 virtual bool forceConservativeRasterClip() const { return false; } | 376 virtual bool forceConservativeRasterClip() const { return false; } |
| 387 | 377 |
| 378 /** | |
| 379 * Don't call this! | |
| 380 */ | |
| 381 virtual GrDrawContext* accessDrawContext() { return nullptr; } | |
|
bsalomon
2016/07/20 14:34:13
Should we allow SkSurface_Gpu (and others) to down
robertphillips
2016/07/20 14:49:13
Yeah - that would be better. I'll do that in anoth
| |
| 382 | |
| 388 // just called by SkCanvas when built as a layer | 383 // just called by SkCanvas when built as a layer |
| 389 void setOrigin(int x, int y) { fOrigin.set(x, y); } | 384 void setOrigin(int x, int y) { fOrigin.set(x, y); } |
| 390 | 385 |
| 391 /** Causes any deferred drawing to the device to be completed. | 386 /** Causes any deferred drawing to the device to be completed. |
| 392 */ | 387 */ |
| 393 virtual void flush() {} | 388 virtual void flush() {} |
| 394 | 389 |
| 395 virtual SkImageFilterCache* getImageFilterCache() { return NULL; } | 390 virtual SkImageFilterCache* getImageFilterCache() { return NULL; } |
| 396 | 391 |
| 397 SkIPoint fOrigin; | 392 SkIPoint fOrigin; |
| 398 SkMetaData* fMetaData; | 393 SkMetaData* fMetaData; |
| 399 SkSurfaceProps fSurfaceProps; | 394 SkSurfaceProps fSurfaceProps; |
| 400 | 395 |
| 401 #ifdef SK_DEBUG | 396 #ifdef SK_DEBUG |
| 402 bool fAttachedToCanvas; | 397 bool fAttachedToCanvas; |
| 403 #endif | 398 #endif |
| 404 | 399 |
| 405 typedef SkRefCnt INHERITED; | 400 typedef SkRefCnt INHERITED; |
| 406 }; | 401 }; |
| 407 | 402 |
| 408 #endif | 403 #endif |
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