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" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 23 | #include "include/effects/SkImageFilters.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 24 | #include "tools/ToolUtils.h" |
| 25 | |
| 26 | #include <utility> |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 27 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 28 | class ImageFiltersGraphGM : public skiagm::GM { |
| 29 | public: |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 30 | ImageFiltersGraphGM() {} |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 31 | |
| 32 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 33 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 34 | SkString onShortName() override { |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 35 | return SkString("imagefiltersgraph"); |
| 36 | } |
| 37 | |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 38 | SkISize onISize() override { return SkISize::Make(600, 150); } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 39 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 40 | void onOnceBeforeDraw() override { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 41 | fImage = SkImage::MakeFromBitmap( |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 42 | 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] | 43 | } |
| 44 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 45 | void onDraw(SkCanvas* canvas) override { |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 46 | canvas->clear(SK_ColorBLACK); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 47 | { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 48 | sk_sp<SkImageFilter> bitmapSource(SkImageFilters::Image(fImage)); |
Mike Reed | b286bc2 | 2019-04-08 16:23:20 -0400 | [diff] [blame] | 49 | sk_sp<SkColorFilter> cf(SkColorFilters::Blend(SK_ColorRED, |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 50 | SkBlendMode::kSrcIn)); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 51 | sk_sp<SkImageFilter> blur(SkImageFilters::Blur(4.0f, 4.0f, std::move(bitmapSource))); |
| 52 | sk_sp<SkImageFilter> erode(SkImageFilters::Erode(4, 4, blur)); |
| 53 | sk_sp<SkImageFilter> color(SkImageFilters::ColorFilter(std::move(cf), |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 54 | std::move(erode))); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 55 | sk_sp<SkImageFilter> merge(SkImageFilters::Merge(blur, color)); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 56 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 57 | SkPaint paint; |
robertphillips | 2238c9d | 2016-03-30 13:34:16 -0700 | [diff] [blame] | 58 | paint.setImageFilter(std::move(merge)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 59 | canvas->drawPaint(paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 60 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 61 | } |
| 62 | { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 63 | sk_sp<SkImageFilter> morph(SkImageFilters::Dilate(5, 5, nullptr)); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 64 | |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 65 | float matrix[20] = { 1, 0, 0, 0, 0, |
| 66 | 0, 1, 0, 0, 0, |
| 67 | 0, 0, 1, 0, 0, |
| 68 | 0, 0, 0, 0.5f, 0 }; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 69 | |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 70 | sk_sp<SkColorFilter> matrixFilter(SkColorFilters::Matrix(matrix)); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 71 | sk_sp<SkImageFilter> colorMorph(SkImageFilters::ColorFilter(std::move(matrixFilter), |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 72 | std::move(morph))); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 73 | SkPaint paint; |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 74 | paint.setImageFilter(SkImageFilters::Xfermode(SkBlendMode::kSrcOver, |
| 75 | std::move(colorMorph))); |
reed | cfb6bdf | 2016-03-29 11:32:50 -0700 | [diff] [blame] | 76 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 77 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 78 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 79 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 80 | { |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 81 | float matrix[20] = { 1, 0, 0, 0, 0, |
| 82 | 0, 1, 0, 0, 0, |
| 83 | 0, 0, 1, 0, 0, |
| 84 | 0, 0, 0, 0.5f, 0 }; |
| 85 | sk_sp<SkColorFilter> matrixCF(SkColorFilters::Matrix(matrix)); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 86 | sk_sp<SkImageFilter> matrixFilter(SkImageFilters::ColorFilter(std::move(matrixCF), |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 87 | nullptr)); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 88 | sk_sp<SkImageFilter> offsetFilter(SkImageFilters::Offset(10.0f, 10.f, matrixFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 89 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 90 | SkPaint paint; |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 91 | paint.setImageFilter(SkImageFilters::Arithmetic( |
Brian Salomon | 89cb821 | 2017-01-09 10:48:23 -0500 | [diff] [blame] | 92 | 0, 1, 1, 0, true, std::move(matrixFilter), std::move(offsetFilter), nullptr)); |
reed | cfb6bdf | 2016-03-29 11:32:50 -0700 | [diff] [blame] | 93 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 94 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 95 | canvas->translate(SkIntToScalar(100), 0); |
| 96 | } |
| 97 | { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 98 | sk_sp<SkImageFilter> blur(SkImageFilters::Blur(10, 10, nullptr)); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 99 | |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 100 | SkIRect cropRect = SkIRect::MakeWH(95, 100); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 101 | SkPaint paint; |
reed | cfb6bdf | 2016-03-29 11:32:50 -0700 | [diff] [blame] | 102 | paint.setImageFilter( |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 103 | SkImageFilters::Xfermode(SkBlendMode::kSrcIn, std::move(blur), nullptr, &cropRect)); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 104 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 105 | canvas->translate(SkIntToScalar(100), 0); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 106 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 107 | { |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 108 | // Dilate -> matrix convolution. |
| 109 | // This tests that a filter using asFragmentProcessor (matrix |
| 110 | // convolution) correctly handles a non-zero source offset |
| 111 | // (supplied by the dilate). |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 112 | sk_sp<SkImageFilter> dilate(SkImageFilters::Dilate(5, 5, nullptr)); |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 113 | |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 114 | SkScalar kernel[9] = { -1, -1, -1, |
| 115 | -1, 7, -1, |
| 116 | -1, -1, -1 }; |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 117 | SkISize kernelSize = SkISize::Make(3, 3); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 118 | SkScalar gain = 1.0f, bias = 0; |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 119 | SkIPoint kernelOffset = SkIPoint::Make(1, 1); |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 120 | bool convolveAlpha = false; |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 121 | sk_sp<SkImageFilter> convolve(SkImageFilters::MatrixConvolution( |
| 122 | kernelSize, kernel, gain, bias, kernelOffset, SkTileMode::kClamp, convolveAlpha, |
| 123 | std::move(dilate))); |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 124 | |
| 125 | SkPaint paint; |
robertphillips | fc11b0a | 2016-04-05 09:09:36 -0700 | [diff] [blame] | 126 | paint.setImageFilter(std::move(convolve)); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 127 | DrawClippedImage(canvas, fImage.get(), paint); |
senorblanco | eae84c2 | 2016-01-26 08:41:02 -0800 | [diff] [blame] | 128 | canvas->translate(SkIntToScalar(100), 0); |
| 129 | } |
| 130 | { |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 131 | // 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] | 132 | sk_sp<SkColorFilter> cf1(SkColorFilters::Blend(SK_ColorBLUE, SkBlendMode::kSrcIn)); |
| 133 | sk_sp<SkColorFilter> cf2(SkColorFilters::Blend(SK_ColorGREEN, SkBlendMode::kSrcIn)); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 134 | SkIRect outerRect = SkIRect::MakeXYWH(10, 10, 80, 80); |
| 135 | SkIRect innerRect= SkIRect::MakeXYWH(20, 20, 60, 60); |
| 136 | sk_sp<SkImageFilter> color1(SkImageFilters::ColorFilter( |
| 137 | std::move(cf1), nullptr, &outerRect)); |
| 138 | sk_sp<SkImageFilter> color2(SkImageFilters::ColorFilter( |
| 139 | std::move(cf2), std::move(color1), &innerRect)); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 140 | |
| 141 | SkPaint paint; |
robertphillips | fc11b0a | 2016-04-05 09:09:36 -0700 | [diff] [blame] | 142 | paint.setImageFilter(std::move(color2)); |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 143 | paint.setColor(SK_ColorRED); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 144 | canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint); |
| 145 | canvas->translate(SkIntToScalar(100), 0); |
| 146 | } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | private: |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 150 | static void DrawClippedImage(SkCanvas* canvas, const SkImage* image, const SkPaint& paint) { |
| 151 | canvas->save(); |
| 152 | canvas->clipRect(SkRect::MakeIWH(image->width(), image->height())); |
| 153 | canvas->drawImage(image, 0, 0, &paint); |
| 154 | canvas->restore(); |
| 155 | } |
| 156 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 157 | sk_sp<SkImage> fImage; |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 158 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 159 | typedef GM INHERITED; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 160 | }; |
| 161 | |
| 162 | /////////////////////////////////////////////////////////////////////////////// |
| 163 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 164 | DEF_GM(return new ImageFiltersGraphGM;) |