senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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/SkCanvas.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 11 | #include "include/core/SkColor.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 12 | #include "include/core/SkFilterQuality.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 13 | #include "include/core/SkImage.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 14 | #include "include/core/SkImageFilter.h" |
| 15 | #include "include/core/SkMatrix.h" |
| 16 | #include "include/core/SkPaint.h" |
| 17 | #include "include/core/SkPoint.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 18 | #include "include/core/SkPoint3.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 19 | #include "include/core/SkRect.h" |
| 20 | #include "include/core/SkRefCnt.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 21 | #include "include/core/SkScalar.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 22 | #include "include/core/SkShader.h" |
| 23 | #include "include/core/SkSize.h" |
| 24 | #include "include/core/SkString.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 25 | #include "include/core/SkSurface.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 26 | #include "include/core/SkTileMode.h" |
| 27 | #include "include/core/SkTypes.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 28 | #include "include/effects/SkBlurImageFilter.h" |
| 29 | #include "include/effects/SkDisplacementMapEffect.h" |
| 30 | #include "include/effects/SkDropShadowImageFilter.h" |
| 31 | #include "include/effects/SkGradientShader.h" |
| 32 | #include "include/effects/SkImageSource.h" |
| 33 | #include "include/effects/SkLightingImageFilter.h" |
| 34 | #include "include/effects/SkMorphologyImageFilter.h" |
| 35 | #include "include/effects/SkOffsetImageFilter.h" |
| 36 | #include "include/effects/SkPaintImageFilter.h" |
| 37 | #include "include/effects/SkPerlinNoiseShader.h" |
| 38 | #include "tools/ToolUtils.h" |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 39 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 40 | #include <utility> |
| 41 | |
senorblanco@chromium.org | 897b73f | 2014-02-19 22:10:12 +0000 | [diff] [blame] | 42 | #define RESIZE_FACTOR SkIntToScalar(4) |
| 43 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 44 | static sk_sp<SkImage> make_gradient_circle(int width, int height) { |
| 45 | SkScalar x = SkIntToScalar(width / 2); |
| 46 | SkScalar y = SkIntToScalar(height / 2); |
Mike Reed | df85c38 | 2017-02-14 10:59:19 -0500 | [diff] [blame] | 47 | SkScalar radius = SkMinScalar(x, y) * 4 / 5; |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 48 | sk_sp<SkSurface> surface(SkSurface::MakeRasterN32Premul(width, height)); |
| 49 | SkCanvas* canvas = surface->getCanvas(); |
| 50 | canvas->clear(0x00000000); |
| 51 | SkColor colors[2]; |
| 52 | colors[0] = SK_ColorWHITE; |
| 53 | colors[1] = SK_ColorBLACK; |
| 54 | SkPaint paint; |
| 55 | paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullptr, |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 56 | 2, SkTileMode::kClamp)); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 57 | canvas->drawCircle(x, y, radius, paint); |
| 58 | |
| 59 | return surface->makeImageSnapshot(); |
| 60 | } |
| 61 | |
| 62 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 63 | namespace skiagm { |
| 64 | |
| 65 | class ImageFiltersScaledGM : public GM { |
| 66 | public: |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 67 | ImageFiltersScaledGM() { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 68 | this->setBGColor(0x00000000); |
| 69 | } |
| 70 | |
| 71 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 72 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 73 | SkString onShortName() override { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 74 | return SkString("imagefiltersscaled"); |
| 75 | } |
| 76 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 77 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 78 | return SkISize::Make(1428, 500); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 79 | } |
| 80 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 81 | void onOnceBeforeDraw() override { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 82 | fCheckerboard = SkImage::MakeFromBitmap( |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 83 | ToolUtils::create_checkerboard_bitmap(64, 64, 0xFFA0A0A0, 0xFF404040, 8)); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 84 | fGradientCircle = make_gradient_circle(64, 64); |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 85 | } |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 86 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 87 | void onDraw(SkCanvas* canvas) override { |
senorblanco | 16b254a | 2015-04-09 11:13:24 -0700 | [diff] [blame] | 88 | canvas->clear(SK_ColorBLACK); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 89 | |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 90 | sk_sp<SkImageFilter> gradient(SkImageSource::Make(fGradientCircle)); |
| 91 | sk_sp<SkImageFilter> checkerboard(SkImageSource::Make(fCheckerboard)); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 92 | |
ajuma | 77b6ba3 | 2016-01-08 14:58:35 -0800 | [diff] [blame] | 93 | SkPaint noisePaint; |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 94 | noisePaint.setShader(SkPerlinNoiseShader::MakeFractalNoise(SkDoubleToScalar(0.1), |
| 95 | SkDoubleToScalar(0.05), 1, 0)); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 96 | |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 97 | SkPoint3 pointLocation = SkPoint3::Make(0, 0, SkIntToScalar(10)); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 98 | SkPoint3 spotLocation = SkPoint3::Make(SkIntToScalar(-10), |
| 99 | SkIntToScalar(-10), |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 100 | SkIntToScalar(20)); |
| 101 | SkPoint3 spotTarget = SkPoint3::Make(SkIntToScalar(40), SkIntToScalar(40), 0); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 102 | SkScalar spotExponent = SK_Scalar1; |
| 103 | SkScalar cutoffAngle = SkIntToScalar(15); |
| 104 | SkScalar kd = SkIntToScalar(2); |
| 105 | SkScalar surfaceScale = SkIntToScalar(1); |
| 106 | SkColor white(0xFFFFFFFF); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 107 | SkMatrix resizeMatrix; |
| 108 | resizeMatrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 109 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 110 | sk_sp<SkImageFilter> filters[] = { |
| 111 | SkBlurImageFilter::Make(SkIntToScalar(4), SkIntToScalar(4), nullptr), |
| 112 | SkDropShadowImageFilter::Make( |
| 113 | SkIntToScalar(5), SkIntToScalar(10), |
| 114 | SkIntToScalar(3), SkIntToScalar(3), SK_ColorYELLOW, |
| 115 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, |
| 116 | nullptr), |
robertphillips | bfe11fc | 2016-04-15 07:17:36 -0700 | [diff] [blame] | 117 | SkDisplacementMapEffect::Make(SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 118 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 119 | SkIntToScalar(12), |
| 120 | std::move(gradient), |
| 121 | checkerboard), |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 122 | SkDilateImageFilter::Make(1, 1, checkerboard), |
| 123 | SkErodeImageFilter::Make(1, 1, checkerboard), |
| 124 | SkOffsetImageFilter::Make(SkIntToScalar(32), 0, nullptr), |
| 125 | SkImageFilter::MakeMatrixFilter(resizeMatrix, kNone_SkFilterQuality, nullptr), |
| 126 | SkPaintImageFilter::Make(noisePaint), |
| 127 | SkLightingImageFilter::MakePointLitDiffuse(pointLocation, white, surfaceScale, kd, |
| 128 | nullptr), |
| 129 | SkLightingImageFilter::MakeSpotLitDiffuse(spotLocation, spotTarget, spotExponent, |
| 130 | cutoffAngle, white, surfaceScale, kd, |
| 131 | nullptr), |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 132 | }; |
| 133 | |
| 134 | SkVector scales[] = { |
| 135 | SkVector::Make(SkScalarInvert(2), SkScalarInvert(2)), |
| 136 | SkVector::Make(SkIntToScalar(1), SkIntToScalar(1)), |
| 137 | SkVector::Make(SkIntToScalar(1), SkIntToScalar(2)), |
| 138 | SkVector::Make(SkIntToScalar(2), SkIntToScalar(1)), |
| 139 | SkVector::Make(SkIntToScalar(2), SkIntToScalar(2)), |
| 140 | }; |
| 141 | |
| 142 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 143 | SkScalar margin = SkIntToScalar(16); |
| 144 | SkRect bounds = r; |
| 145 | bounds.outset(margin, margin); |
| 146 | |
| 147 | for (size_t j = 0; j < SK_ARRAY_COUNT(scales); ++j) { |
| 148 | canvas->save(); |
| 149 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| 150 | SkPaint paint; |
| 151 | paint.setColor(SK_ColorBLUE); |
| 152 | paint.setImageFilter(filters[i]); |
| 153 | paint.setAntiAlias(true); |
| 154 | canvas->save(); |
| 155 | canvas->scale(scales[j].fX, scales[j].fY); |
senorblanco | 0abdf76 | 2015-08-20 11:10:41 -0700 | [diff] [blame] | 156 | canvas->clipRect(r); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 157 | if (5 == i) { |
| 158 | canvas->translate(SkIntToScalar(-32), 0); |
senorblanco@chromium.org | 897b73f | 2014-02-19 22:10:12 +0000 | [diff] [blame] | 159 | } else if (6 == i) { |
| 160 | canvas->scale(SkScalarInvert(RESIZE_FACTOR), |
| 161 | SkScalarInvert(RESIZE_FACTOR)); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 162 | } |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 163 | canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, paint); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 164 | canvas->restore(); |
| 165 | canvas->translate(r.width() * scales[j].fX + margin, 0); |
| 166 | } |
| 167 | canvas->restore(); |
| 168 | canvas->translate(0, r.height() * scales[j].fY + margin); |
| 169 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | private: |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 173 | sk_sp<SkImage> fCheckerboard, fGradientCircle; |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 174 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 175 | typedef GM INHERITED; |
| 176 | }; |
| 177 | |
| 178 | ////////////////////////////////////////////////////////////////////////////// |
| 179 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 180 | DEF_GM(return new ImageFiltersScaledGM;) |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 181 | } |