OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2012 The Android Open Source Project | 2 * Copyright 2012 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 #include "SkMatrixConvolutionImageFilter.h" | 8 #include "SkMatrixConvolutionImageFilter.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
11 #include "SkFlattenableBuffers.h" | 11 #include "SkFlattenableBuffers.h" |
12 #include "SkRect.h" | 12 #include "SkRect.h" |
13 #include "SkUnPreMultiply.h" | 13 #include "SkUnPreMultiply.h" |
14 | 14 |
15 #if SK_SUPPORT_GPU | 15 #if SK_SUPPORT_GPU |
16 #include "gl/GrGLEffect.h" | 16 #include "gl/GrGLEffect.h" |
17 #include "effects/GrSingleTextureEffect.h" | 17 #include "effects/GrSingleTextureEffect.h" |
18 #include "GrTBackendEffectFactory.h" | 18 #include "GrTBackendEffectFactory.h" |
19 #include "GrTexture.h" | 19 #include "GrTexture.h" |
20 #include "SkMatrix.h" | 20 #include "SkMatrix.h" |
21 | 21 |
22 #endif | 22 #endif |
23 | 23 |
| 24 static bool tile_mode_is_valid(SkMatrixConvolutionImageFilter::TileMode tileMode
) { |
| 25 switch (tileMode) { |
| 26 case SkMatrixConvolutionImageFilter::kClamp_TileMode: |
| 27 case SkMatrixConvolutionImageFilter::kRepeat_TileMode: |
| 28 case SkMatrixConvolutionImageFilter::kClampToBlack_TileMode: |
| 29 return true; |
| 30 default: |
| 31 break; |
| 32 } |
| 33 return false; |
| 34 } |
| 35 |
24 SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(const SkISize& ke
rnelSize, const SkScalar* kernel, SkScalar gain, SkScalar bias, const SkIPoint&
target, TileMode tileMode, bool convolveAlpha, SkImageFilter* input) | 36 SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(const SkISize& ke
rnelSize, const SkScalar* kernel, SkScalar gain, SkScalar bias, const SkIPoint&
target, TileMode tileMode, bool convolveAlpha, SkImageFilter* input) |
25 : INHERITED(input), | 37 : INHERITED(input), |
26 fKernelSize(kernelSize), | 38 fKernelSize(kernelSize), |
27 fGain(gain), | 39 fGain(gain), |
28 fBias(bias), | 40 fBias(bias), |
29 fTarget(target), | 41 fTarget(target), |
30 fTileMode(tileMode), | 42 fTileMode(tileMode), |
31 fConvolveAlpha(convolveAlpha) { | 43 fConvolveAlpha(convolveAlpha) { |
32 uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; | 44 uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; |
33 fKernel = SkNEW_ARRAY(SkScalar, size); | 45 fKernel = SkNEW_ARRAY(SkScalar, size); |
34 memcpy(fKernel, kernel, size * sizeof(SkScalar)); | 46 memcpy(fKernel, kernel, size * sizeof(SkScalar)); |
35 SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); | 47 SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); |
36 SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth); | 48 SkASSERT(target.fX >= 0 && target.fX < kernelSize.fWidth); |
37 SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight); | 49 SkASSERT(target.fY >= 0 && target.fY < kernelSize.fHeight); |
38 } | 50 } |
39 | 51 |
40 SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableRead
Buffer& buffer) : INHERITED(buffer) { | 52 SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableRead
Buffer& buffer) : INHERITED(buffer) { |
41 fKernelSize.fWidth = buffer.readInt(); | 53 fKernelSize.fWidth = buffer.readInt(); |
42 fKernelSize.fHeight = buffer.readInt(); | 54 fKernelSize.fHeight = buffer.readInt(); |
43 uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; | 55 uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight; |
44 fKernel = SkNEW_ARRAY(SkScalar, size); | 56 fKernel = SkNEW_ARRAY(SkScalar, size); |
45 SkDEBUGCODE(uint32_t readSize = )buffer.readScalarArray(fKernel); | 57 SkDEBUGCODE(uint32_t readSize = )buffer.readScalarArray(fKernel); |
46 SkASSERT(readSize == size); | 58 SkASSERT(readSize == size); |
47 fGain = buffer.readScalar(); | 59 fGain = buffer.readScalar(); |
48 fBias = buffer.readScalar(); | 60 fBias = buffer.readScalar(); |
49 fTarget.fX = buffer.readInt(); | 61 fTarget.fX = buffer.readInt(); |
50 fTarget.fY = buffer.readInt(); | 62 fTarget.fY = buffer.readInt(); |
51 fTileMode = (TileMode) buffer.readInt(); | 63 fTileMode = (TileMode) buffer.readInt(); |
52 fConvolveAlpha = buffer.readBool(); | 64 fConvolveAlpha = buffer.readBool(); |
| 65 buffer.validate(SkScalarIsFinite(fGain) && |
| 66 SkScalarIsFinite(fBias) && |
| 67 tile_mode_is_valid(fTileMode)); |
53 } | 68 } |
54 | 69 |
55 void SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) c
onst { | 70 void SkMatrixConvolutionImageFilter::flatten(SkFlattenableWriteBuffer& buffer) c
onst { |
56 this->INHERITED::flatten(buffer); | 71 this->INHERITED::flatten(buffer); |
57 buffer.writeInt(fKernelSize.fWidth); | 72 buffer.writeInt(fKernelSize.fWidth); |
58 buffer.writeInt(fKernelSize.fHeight); | 73 buffer.writeInt(fKernelSize.fHeight); |
59 buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); | 74 buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); |
60 buffer.writeScalar(fGain); | 75 buffer.writeScalar(fGain); |
61 buffer.writeScalar(fBias); | 76 buffer.writeScalar(fBias); |
62 buffer.writeInt(fTarget.fX); | 77 buffer.writeInt(fTarget.fX); |
(...skipping 498 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
561 fBias, | 576 fBias, |
562 fTarget, | 577 fTarget, |
563 fTileMode, | 578 fTileMode, |
564 fConvolveAlpha); | 579 fConvolveAlpha); |
565 return true; | 580 return true; |
566 } | 581 } |
567 | 582 |
568 /////////////////////////////////////////////////////////////////////////////// | 583 /////////////////////////////////////////////////////////////////////////////// |
569 | 584 |
570 #endif | 585 #endif |
OLD | NEW |