senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "gm/gm.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 9 | #include "include/core/SkBitmap.h" |
| 10 | #include "include/core/SkBlendMode.h" |
| 11 | #include "include/core/SkCanvas.h" |
| 12 | #include "include/core/SkColor.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 13 | #include "include/core/SkColorFilter.h" |
| 14 | #include "include/core/SkImage.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 15 | #include "include/core/SkImageFilter.h" |
| 16 | #include "include/core/SkPaint.h" |
| 17 | #include "include/core/SkPoint.h" |
| 18 | #include "include/core/SkRect.h" |
| 19 | #include "include/core/SkRefCnt.h" |
| 20 | #include "include/core/SkScalar.h" |
| 21 | #include "include/core/SkSize.h" |
| 22 | #include "include/core/SkString.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 23 | #include "include/effects/SkArithmeticImageFilter.h" |
| 24 | #include "include/effects/SkBlurImageFilter.h" |
| 25 | #include "include/effects/SkColorFilterImageFilter.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 26 | #include "include/effects/SkImageSource.h" |
| 27 | #include "include/effects/SkMatrixConvolutionImageFilter.h" |
| 28 | #include "include/effects/SkMergeImageFilter.h" |
| 29 | #include "include/effects/SkMorphologyImageFilter.h" |
| 30 | #include "include/effects/SkOffsetImageFilter.h" |
| 31 | #include "include/effects/SkXfermodeImageFilter.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 32 | #include "tools/ToolUtils.h" |
| 33 | |
| 34 | #include <utility> |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 35 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 36 | class ImageFiltersGraphGM : public skiagm::GM { |
| 37 | public: |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 38 | ImageFiltersGraphGM() {} |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 39 | |
| 40 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 41 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 42 | SkString onShortName() override { |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 43 | return SkString("imagefiltersgraph"); |
| 44 | } |
| 45 | |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 46 | SkISize onISize() override { return SkISize::Make(600, 150); } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 47 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 48 | void onOnceBeforeDraw() override { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 49 | fImage = SkImage::MakeFromBitmap( |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 50 | ToolUtils::create_string_bitmap(100, 100, SK_ColorWHITE, 20, 70, 96, "e")); |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 51 | } |
| 52 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 53 | void onDraw(SkCanvas* canvas) override { |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 54 | canvas->clear(SK_ColorBLACK); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 55 | { |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 56 | sk_sp<SkImageFilter> bitmapSource(SkImageSource::Make(fImage)); |
Mike Reed | b286bc2 | 2019-04-08 16:23:20 -0400 | [diff] [blame] | 57 | sk_sp<SkColorFilter> cf(SkColorFilters::Blend(SK_ColorRED, |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 58 | SkBlendMode::kSrcIn)); |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 59 | sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(4.0f, 4.0f, std::move(bitmapSource))); |
robertphillips | fc11b0a | 2016-04-05 09:09:36 -0700 | [diff] [blame] | 60 | sk_sp<SkImageFilter> erode(SkErodeImageFilter::Make(4, 4, blur)); |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 61 | sk_sp<SkImageFilter> color(SkColorFilterImageFilter::Make(std::move(cf), |
| 62 | std::move(erode))); |
Mike Reed | 0bdaf05 | 2017-06-18 23:35:57 -0400 | [diff] [blame] | 63 | sk_sp<SkImageFilter> merge(SkMergeImageFilter::Make(blur, color)); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 64 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 65 | SkPaint paint; |
robertphillips | 2238c9d | 2016-03-30 13:34:16 -0700 | [diff] [blame] | 66 | paint.setImageFilter(std::move(merge)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 67 | canvas->drawPaint(paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 68 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 69 | } |
| 70 | { |
robertphillips | fc11b0a | 2016-04-05 09:09:36 -0700 | [diff] [blame] | 71 | sk_sp<SkImageFilter> morph(SkDilateImageFilter::Make(5, 5, nullptr)); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 72 | |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 73 | float matrix[20] = { 1, 0, 0, 0, 0, |
| 74 | 0, 1, 0, 0, 0, |
| 75 | 0, 0, 1, 0, 0, |
| 76 | 0, 0, 0, 0.5f, 0 }; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 77 | |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 78 | sk_sp<SkColorFilter> matrixFilter(SkColorFilters::Matrix(matrix)); |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 79 | sk_sp<SkImageFilter> colorMorph(SkColorFilterImageFilter::Make(std::move(matrixFilter), |
| 80 | std::move(morph))); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 81 | SkPaint paint; |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 82 | paint.setImageFilter(SkXfermodeImageFilter::Make(SkBlendMode::kSrcOver, |
| 83 | std::move(colorMorph))); |
reed | cfb6bdf | 2016-03-29 11:32:50 -0700 | [diff] [blame] | 84 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 85 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 86 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 87 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 88 | { |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 89 | float matrix[20] = { 1, 0, 0, 0, 0, |
| 90 | 0, 1, 0, 0, 0, |
| 91 | 0, 0, 1, 0, 0, |
| 92 | 0, 0, 0, 0.5f, 0 }; |
| 93 | sk_sp<SkColorFilter> matrixCF(SkColorFilters::Matrix(matrix)); |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 94 | sk_sp<SkImageFilter> matrixFilter(SkColorFilterImageFilter::Make(std::move(matrixCF), |
| 95 | nullptr)); |
robertphillips | 134ff5c | 2016-04-12 12:41:00 -0700 | [diff] [blame] | 96 | sk_sp<SkImageFilter> offsetFilter(SkOffsetImageFilter::Make(10.0f, 10.f, |
| 97 | matrixFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 98 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 99 | SkPaint paint; |
Brian Salomon | 89cb821 | 2017-01-09 10:48:23 -0500 | [diff] [blame] | 100 | paint.setImageFilter(SkArithmeticImageFilter::Make( |
| 101 | 0, 1, 1, 0, true, std::move(matrixFilter), std::move(offsetFilter), nullptr)); |
reed | cfb6bdf | 2016-03-29 11:32:50 -0700 | [diff] [blame] | 102 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 103 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 104 | canvas->translate(SkIntToScalar(100), 0); |
| 105 | } |
| 106 | { |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 107 | sk_sp<SkImageFilter> blur(SkBlurImageFilter::Make(SkIntToScalar(10), |
| 108 | SkIntToScalar(10), |
| 109 | nullptr)); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 110 | |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 111 | SkImageFilter::CropRect cropRect(SkRect::MakeWH(SkIntToScalar(95), SkIntToScalar(100))); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 112 | SkPaint paint; |
reed | cfb6bdf | 2016-03-29 11:32:50 -0700 | [diff] [blame] | 113 | paint.setImageFilter( |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 114 | SkXfermodeImageFilter::Make(SkBlendMode::kSrcIn, std::move(blur), nullptr, |
| 115 | &cropRect)); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 116 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 117 | canvas->translate(SkIntToScalar(100), 0); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 118 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 119 | { |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 120 | // Dilate -> matrix convolution. |
| 121 | // This tests that a filter using asFragmentProcessor (matrix |
| 122 | // convolution) correctly handles a non-zero source offset |
| 123 | // (supplied by the dilate). |
robertphillips | fc11b0a | 2016-04-05 09:09:36 -0700 | [diff] [blame] | 124 | sk_sp<SkImageFilter> dilate(SkDilateImageFilter::Make(5, 5, nullptr)); |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 125 | |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 126 | SkScalar kernel[9] = { |
| 127 | SkIntToScalar(-1), SkIntToScalar( -1 ), SkIntToScalar(-1), |
| 128 | SkIntToScalar(-1), SkIntToScalar( 7 ), SkIntToScalar(-1), |
| 129 | SkIntToScalar(-1), SkIntToScalar( -1 ), SkIntToScalar(-1), |
| 130 | }; |
| 131 | SkISize kernelSize = SkISize::Make(3, 3); |
| 132 | SkScalar gain = 1.0f, bias = SkIntToScalar(0); |
| 133 | SkIPoint kernelOffset = SkIPoint::Make(1, 1); |
| 134 | auto tileMode = SkMatrixConvolutionImageFilter::kClamp_TileMode; |
| 135 | bool convolveAlpha = false; |
robertphillips | ef6a47b | 2016-04-08 08:01:20 -0700 | [diff] [blame] | 136 | sk_sp<SkImageFilter> convolve(SkMatrixConvolutionImageFilter::Make(kernelSize, |
| 137 | kernel, |
| 138 | gain, |
| 139 | bias, |
| 140 | kernelOffset, |
| 141 | tileMode, |
| 142 | convolveAlpha, |
| 143 | std::move(dilate))); |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 144 | |
| 145 | SkPaint paint; |
robertphillips | fc11b0a | 2016-04-05 09:09:36 -0700 | [diff] [blame] | 146 | paint.setImageFilter(std::move(convolve)); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 147 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 148 | canvas->translate(SkIntToScalar(100), 0); |
| 149 | } |
| 150 | { |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 151 | // Test that crop offsets are absolute, not relative to the parent's crop rect. |
Mike Reed | b286bc2 | 2019-04-08 16:23:20 -0400 | [diff] [blame] | 152 | sk_sp<SkColorFilter> cf1(SkColorFilters::Blend(SK_ColorBLUE, SkBlendMode::kSrcIn)); |
| 153 | sk_sp<SkColorFilter> cf2(SkColorFilters::Blend(SK_ColorGREEN, SkBlendMode::kSrcIn)); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 154 | SkImageFilter::CropRect outerRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10), |
| 155 | SkIntToScalar(80), SkIntToScalar(80))); |
| 156 | SkImageFilter::CropRect innerRect(SkRect::MakeXYWH(SkIntToScalar(20), SkIntToScalar(20), |
| 157 | SkIntToScalar(60), SkIntToScalar(60))); |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 158 | sk_sp<SkImageFilter> color1(SkColorFilterImageFilter::Make(std::move(cf1), |
| 159 | nullptr, |
| 160 | &outerRect)); |
| 161 | sk_sp<SkImageFilter> color2(SkColorFilterImageFilter::Make(std::move(cf2), |
| 162 | std::move(color1), |
| 163 | &innerRect)); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 164 | |
| 165 | SkPaint paint; |
robertphillips | fc11b0a | 2016-04-05 09:09:36 -0700 | [diff] [blame] | 166 | paint.setImageFilter(std::move(color2)); |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 167 | paint.setColor(SK_ColorRED); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 168 | canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint); |
| 169 | canvas->translate(SkIntToScalar(100), 0); |
| 170 | } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | private: |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 174 | static void DrawClippedImage(SkCanvas* canvas, const SkImage* image, const SkPaint& paint) { |
| 175 | canvas->save(); |
| 176 | canvas->clipRect(SkRect::MakeIWH(image->width(), image->height())); |
| 177 | canvas->drawImage(image, 0, 0, &paint); |
| 178 | canvas->restore(); |
| 179 | } |
| 180 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 181 | sk_sp<SkImage> fImage; |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 182 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 183 | typedef GM INHERITED; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 184 | }; |
| 185 | |
| 186 | /////////////////////////////////////////////////////////////////////////////// |
| 187 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 188 | DEF_GM(return new ImageFiltersGraphGM;) |