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| 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" |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 | 23 |
| 24 SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter( | 24 SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter( |
| 25 const SkISize& kernelSize, | 25 const SkISize& kernelSize, |
| 26 const SkScalar* kernel, | 26 const SkScalar* kernel, |
| 27 SkScalar gain, | 27 SkScalar gain, |
| 28 SkScalar bias, | 28 SkScalar bias, |
| 29 const SkIPoint& kernelOffset, | 29 const SkIPoint& kernelOffset, |
| 30 TileMode tileMode, | 30 TileMode tileMode, |
| 31 bool convolveAlpha, | 31 bool convolveAlpha, |
| 32 SkImageFilter* input, | 32 SkImageFilter* input, |
| 33 const CropRect* cropRect, | 33 const CropRect* cropRect) |
| 34 uint32_t uniqueID) | 34 : INHERITED(1, &input, cropRect), |
| 35 : INHERITED(1, &input, cropRect, uniqueID), | |
| 36 fKernelSize(kernelSize), | 35 fKernelSize(kernelSize), |
| 37 fGain(gain), | 36 fGain(gain), |
| 38 fBias(bias), | 37 fBias(bias), |
| 39 fKernelOffset(kernelOffset), | 38 fKernelOffset(kernelOffset), |
| 40 fTileMode(tileMode), | 39 fTileMode(tileMode), |
| 41 fConvolveAlpha(convolveAlpha) { | 40 fConvolveAlpha(convolveAlpha) { |
| 42 size_t size = (size_t) sk_64_mul(fKernelSize.width(), fKernelSize.height()); | 41 size_t size = (size_t) sk_64_mul(fKernelSize.width(), fKernelSize.height()); |
| 43 fKernel = SkNEW_ARRAY(SkScalar, size); | 42 fKernel = SkNEW_ARRAY(SkScalar, size); |
| 44 memcpy(fKernel, kernel, size * sizeof(SkScalar)); | 43 memcpy(fKernel, kernel, size * sizeof(SkScalar)); |
| 45 SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); | 44 SkASSERT(kernelSize.fWidth >= 1 && kernelSize.fHeight >= 1); |
| 46 SkASSERT(kernelOffset.fX >= 0 && kernelOffset.fX < kernelSize.fWidth); | 45 SkASSERT(kernelOffset.fX >= 0 && kernelOffset.fX < kernelSize.fWidth); |
| 47 SkASSERT(kernelOffset.fY >= 0 && kernelOffset.fY < kernelSize.fHeight); | 46 SkASSERT(kernelOffset.fY >= 0 && kernelOffset.fY < kernelSize.fHeight); |
| 48 } | 47 } |
| 49 | 48 |
| 50 SkMatrixConvolutionImageFilter* SkMatrixConvolutionImageFilter::Create( | 49 SkMatrixConvolutionImageFilter* SkMatrixConvolutionImageFilter::Create( |
| 51 const SkISize& kernelSize, | 50 const SkISize& kernelSize, |
| 52 const SkScalar* kernel, | 51 const SkScalar* kernel, |
| 53 SkScalar gain, | 52 SkScalar gain, |
| 54 SkScalar bias, | 53 SkScalar bias, |
| 55 const SkIPoint& kernelOffset, | 54 const SkIPoint& kernelOffset, |
| 56 TileMode tileMode, | 55 TileMode tileMode, |
| 57 bool convolveAlpha, | 56 bool convolveAlpha, |
| 58 SkImageFilter* input, | 57 SkImageFilter* input, |
| 59 const CropRect* cropRect, | 58 const CropRect* cropRect) { |
| 60 uint32_t uniqueID) { | |
| 61 if (kernelSize.width() < 1 || kernelSize.height() < 1) { | 59 if (kernelSize.width() < 1 || kernelSize.height() < 1) { |
| 62 return NULL; | 60 return NULL; |
| 63 } | 61 } |
| 64 if (gMaxKernelSize / kernelSize.fWidth < kernelSize.fHeight) { | 62 if (gMaxKernelSize / kernelSize.fWidth < kernelSize.fHeight) { |
| 65 return NULL; | 63 return NULL; |
| 66 } | 64 } |
| 67 if (!kernel) { | 65 if (!kernel) { |
| 68 return NULL; | 66 return NULL; |
| 69 } | 67 } |
| 70 if ((kernelOffset.fX < 0) || (kernelOffset.fX >= kernelSize.fWidth) || | 68 if ((kernelOffset.fX < 0) || (kernelOffset.fX >= kernelSize.fWidth) || |
| 71 (kernelOffset.fY < 0) || (kernelOffset.fY >= kernelSize.fHeight)) { | 69 (kernelOffset.fY < 0) || (kernelOffset.fY >= kernelSize.fHeight)) { |
| 72 return NULL; | 70 return NULL; |
| 73 } | 71 } |
| 74 return SkNEW_ARGS(SkMatrixConvolutionImageFilter, (kernelSize, kernel, gain,
bias, | 72 return SkNEW_ARGS(SkMatrixConvolutionImageFilter, (kernelSize, kernel, gain,
bias, |
| 75 kernelOffset, tileMode, c
onvolveAlpha, | 73 kernelOffset, tileMode, c
onvolveAlpha, |
| 76 input, cropRect, uniqueID
)); | 74 input, cropRect)); |
| 77 } | 75 } |
| 78 | 76 |
| 79 SkFlattenable* SkMatrixConvolutionImageFilter::CreateProc(SkReadBuffer& buffer)
{ | 77 SkFlattenable* SkMatrixConvolutionImageFilter::CreateProc(SkReadBuffer& buffer)
{ |
| 80 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); | 78 SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 81 SkISize kernelSize; | 79 SkISize kernelSize; |
| 82 kernelSize.fWidth = buffer.readInt(); | 80 kernelSize.fWidth = buffer.readInt(); |
| 83 kernelSize.fHeight = buffer.readInt(); | 81 kernelSize.fHeight = buffer.readInt(); |
| 84 const int count = buffer.getArrayCount(); | 82 const int count = buffer.getArrayCount(); |
| 85 | 83 |
| 86 const int64_t kernelArea = sk_64_mul(kernelSize.width(), kernelSize.height()
); | 84 const int64_t kernelArea = sk_64_mul(kernelSize.width(), kernelSize.height()
); |
| 87 if (!buffer.validate(kernelArea == count)) { | 85 if (!buffer.validate(kernelArea == count)) { |
| 88 return NULL; | 86 return NULL; |
| 89 } | 87 } |
| 90 SkAutoSTArray<16, SkScalar> kernel(count); | 88 SkAutoSTArray<16, SkScalar> kernel(count); |
| 91 if (!buffer.readScalarArray(kernel.get(), count)) { | 89 if (!buffer.readScalarArray(kernel.get(), count)) { |
| 92 return NULL; | 90 return NULL; |
| 93 } | 91 } |
| 94 SkScalar gain = buffer.readScalar(); | 92 SkScalar gain = buffer.readScalar(); |
| 95 SkScalar bias = buffer.readScalar(); | 93 SkScalar bias = buffer.readScalar(); |
| 96 SkIPoint kernelOffset; | 94 SkIPoint kernelOffset; |
| 97 kernelOffset.fX = buffer.readInt(); | 95 kernelOffset.fX = buffer.readInt(); |
| 98 kernelOffset.fY = buffer.readInt(); | 96 kernelOffset.fY = buffer.readInt(); |
| 99 TileMode tileMode = (TileMode)buffer.readInt(); | 97 TileMode tileMode = (TileMode)buffer.readInt(); |
| 100 bool convolveAlpha = buffer.readBool(); | 98 bool convolveAlpha = buffer.readBool(); |
| 101 return Create(kernelSize, kernel.get(), gain, bias, kernelOffset, tileMode,
convolveAlpha, | 99 return Create(kernelSize, kernel.get(), gain, bias, kernelOffset, tileMode,
convolveAlpha, |
| 102 common.getInput(0), &common.cropRect(), common.uniqueID()); | 100 common.getInput(0), &common.cropRect()); |
| 103 } | 101 } |
| 104 | 102 |
| 105 void SkMatrixConvolutionImageFilter::flatten(SkWriteBuffer& buffer) const { | 103 void SkMatrixConvolutionImageFilter::flatten(SkWriteBuffer& buffer) const { |
| 106 this->INHERITED::flatten(buffer); | 104 this->INHERITED::flatten(buffer); |
| 107 buffer.writeInt(fKernelSize.fWidth); | 105 buffer.writeInt(fKernelSize.fWidth); |
| 108 buffer.writeInt(fKernelSize.fHeight); | 106 buffer.writeInt(fKernelSize.fHeight); |
| 109 buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); | 107 buffer.writeScalarArray(fKernel, fKernelSize.fWidth * fKernelSize.fHeight); |
| 110 buffer.writeScalar(fGain); | 108 buffer.writeScalar(fGain); |
| 111 buffer.writeScalar(fBias); | 109 buffer.writeScalar(fBias); |
| 112 buffer.writeInt(fKernelOffset.fX); | 110 buffer.writeInt(fKernelOffset.fX); |
| (...skipping 266 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 379 str->appendf("%f ", fKernel[y * fKernelSize.width() + x]); | 377 str->appendf("%f ", fKernel[y * fKernelSize.width() + x]); |
| 380 } | 378 } |
| 381 } | 379 } |
| 382 str->appendf(")"); | 380 str->appendf(")"); |
| 383 str->appendf("gain: %f bias: %f ", fGain, fBias); | 381 str->appendf("gain: %f bias: %f ", fGain, fBias); |
| 384 str->appendf("offset: (%d, %d) ", fKernelOffset.fX, fKernelOffset.fY); | 382 str->appendf("offset: (%d, %d) ", fKernelOffset.fX, fKernelOffset.fY); |
| 385 str->appendf("convolveAlpha: %s", fConvolveAlpha ? "true" : "false"); | 383 str->appendf("convolveAlpha: %s", fConvolveAlpha ? "true" : "false"); |
| 386 str->append(")"); | 384 str->append(")"); |
| 387 } | 385 } |
| 388 #endif | 386 #endif |
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