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| 1 /* libs/graphics/sgl/SkBlitter_Sprite.cpp | |
| 2 ** | |
| 3 ** Copyright 2006, The Android Open Source Project | |
| 4 ** | |
| 5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 ** you may not use this file except in compliance with the License. | |
| 7 ** You may obtain a copy of the License at | |
| 8 ** | |
| 9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 ** | |
| 11 ** Unless required by applicable law or agreed to in writing, software | |
| 12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 ** See the License for the specific language governing permissions and | |
| 15 ** limitations under the License. | |
| 16 */ | |
| 17 | |
| 18 #include "SkSpriteBlitter.h" | |
| 19 | |
| 20 SkSpriteBlitter::SkSpriteBlitter(const SkBitmap& source) | |
| 21 : fSource(&source) | |
| 22 { | |
| 23 fSource->lockPixels(); | |
| 24 } | |
| 25 | |
| 26 SkSpriteBlitter::~SkSpriteBlitter() | |
| 27 { | |
| 28 fSource->unlockPixels(); | |
| 29 } | |
| 30 | |
| 31 void SkSpriteBlitter::setup(const SkBitmap& device, int left, int top, | |
| 32 const SkPaint& paint) | |
| 33 { | |
| 34 fDevice = &device; | |
| 35 fLeft = left; | |
| 36 fTop = top; | |
| 37 fPaint = &paint; | |
| 38 } | |
| 39 | |
| 40 #ifdef SK_DEBUG | |
| 41 void SkSpriteBlitter::blitH(int x, int y, int width) | |
| 42 { | |
| 43 SkASSERT(!"how did we get here?"); | |
| 44 } | |
| 45 | |
| 46 void SkSpriteBlitter::blitAntiH(int x, int y, const SkAlpha antialias[], const i
nt16_t runs[]) | |
| 47 { | |
| 48 SkASSERT(!"how did we get here?"); | |
| 49 } | |
| 50 | |
| 51 void SkSpriteBlitter::blitV(int x, int y, int height, SkAlpha alpha) | |
| 52 { | |
| 53 SkASSERT(!"how did we get here?"); | |
| 54 } | |
| 55 | |
| 56 void SkSpriteBlitter::blitMask(const SkMask&, const SkIRect& clip) | |
| 57 { | |
| 58 SkASSERT(!"how did we get here?"); | |
| 59 } | |
| 60 #endif | |
| 61 | |
| 62 ////////////////////////////////////////////////////////////////////////////////
////////////// | |
| 63 ////////////////////////////////////////////////////////////////////////////////
////////////// | |
| 64 | |
| 65 // returning null means the caller will call SkBlitter::Choose() and | |
| 66 // have wrapped the source bitmap inside a shader | |
| 67 SkBlitter* SkBlitter::ChooseSprite( const SkBitmap& device, | |
| 68 const SkPaint& paint, | |
| 69 const SkBitmap& source, | |
| 70 int left, int top, | |
| 71 void* storage, size_t storageSize) | |
| 72 { | |
| 73 /* We currently ignore antialiasing and filtertype, meaning we will take ou
r | |
| 74 special blitters regardless of these settings. Ignoring filtertype seems
fine | |
| 75 since by definition there is no scale in the matrix. Ignoring antialiasi
ng is | |
| 76 a bit of a hack, since we "could" pass in the fractional left/top for th
e bitmap, | |
| 77 and respect that by blending the edges of the bitmap against the device.
To support | |
| 78 this we could either add more special blitters here, or detect antialias
ing in the | |
| 79 paint and return null if it is set, forcing the client to take the slow
shader case | |
| 80 (which does respect soft edges). | |
| 81 */ | |
| 82 | |
| 83 SkSpriteBlitter* blitter; | |
| 84 | |
| 85 switch (device.getConfig()) { | |
| 86 case SkBitmap::kRGB_565_Config: | |
| 87 blitter = SkSpriteBlitter::ChooseD16(source, paint, storage, storageSize
); | |
| 88 break; | |
| 89 case SkBitmap::kARGB_8888_Config: | |
| 90 blitter = SkSpriteBlitter::ChooseD32(source, paint, storage, storageSize
); | |
| 91 break; | |
| 92 default: | |
| 93 blitter = NULL; | |
| 94 break; | |
| 95 } | |
| 96 | |
| 97 if (blitter) | |
| 98 blitter->setup(device, left, top, paint); | |
| 99 return blitter; | |
| 100 } | |
| 101 | |
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Chromium Code Reviews
Issue 113827:
Remove the remainder of the skia source code from the Chromium repo.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/