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/SkGradientShader.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 29 | #include "include/effects/SkImageFilters.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 30 | #include "include/effects/SkPerlinNoiseShader.h" |
| 31 | #include "tools/ToolUtils.h" |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 32 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 33 | #include <utility> |
| 34 | |
senorblanco@chromium.org | 897b73f | 2014-02-19 22:10:12 +0000 | [diff] [blame] | 35 | #define RESIZE_FACTOR SkIntToScalar(4) |
| 36 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 37 | static sk_sp<SkImage> make_gradient_circle(int width, int height) { |
| 38 | SkScalar x = SkIntToScalar(width / 2); |
| 39 | SkScalar y = SkIntToScalar(height / 2); |
Mike Reed | df85c38 | 2017-02-14 10:59:19 -0500 | [diff] [blame] | 40 | SkScalar radius = SkMinScalar(x, y) * 4 / 5; |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 41 | sk_sp<SkSurface> surface(SkSurface::MakeRasterN32Premul(width, height)); |
| 42 | SkCanvas* canvas = surface->getCanvas(); |
| 43 | canvas->clear(0x00000000); |
| 44 | SkColor colors[2]; |
| 45 | colors[0] = SK_ColorWHITE; |
| 46 | colors[1] = SK_ColorBLACK; |
| 47 | SkPaint paint; |
| 48 | paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullptr, |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 49 | 2, SkTileMode::kClamp)); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 50 | canvas->drawCircle(x, y, radius, paint); |
| 51 | |
| 52 | return surface->makeImageSnapshot(); |
| 53 | } |
| 54 | |
| 55 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 56 | namespace skiagm { |
| 57 | |
| 58 | class ImageFiltersScaledGM : public GM { |
| 59 | public: |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 60 | ImageFiltersScaledGM() { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 61 | this->setBGColor(0x00000000); |
| 62 | } |
| 63 | |
| 64 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 65 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 66 | SkString onShortName() override { |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 67 | return SkString("imagefiltersscaled"); |
| 68 | } |
| 69 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 70 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 71 | return SkISize::Make(1428, 500); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 72 | } |
| 73 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 74 | void onOnceBeforeDraw() override { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 75 | fCheckerboard = SkImage::MakeFromBitmap( |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 76 | ToolUtils::create_checkerboard_bitmap(64, 64, 0xFFA0A0A0, 0xFF404040, 8)); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 77 | fGradientCircle = make_gradient_circle(64, 64); |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 78 | } |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 79 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 80 | void onDraw(SkCanvas* canvas) override { |
senorblanco | 16b254a | 2015-04-09 11:13:24 -0700 | [diff] [blame] | 81 | canvas->clear(SK_ColorBLACK); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 82 | |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 83 | sk_sp<SkImageFilter> gradient(SkImageFilters::Image(fGradientCircle)); |
| 84 | sk_sp<SkImageFilter> checkerboard(SkImageFilters::Image(fCheckerboard)); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 85 | |
ajuma | 77b6ba3 | 2016-01-08 14:58:35 -0800 | [diff] [blame] | 86 | SkPaint noisePaint; |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 87 | noisePaint.setShader(SkPerlinNoiseShader::MakeFractalNoise(SkDoubleToScalar(0.1), |
| 88 | SkDoubleToScalar(0.05), 1, 0)); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 89 | |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 90 | SkPoint3 pointLocation = SkPoint3::Make(0, 0, SkIntToScalar(10)); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 91 | SkPoint3 spotLocation = SkPoint3::Make(SkIntToScalar(-10), |
| 92 | SkIntToScalar(-10), |
robertphillips | 3d32d76 | 2015-07-13 13:16:44 -0700 | [diff] [blame] | 93 | SkIntToScalar(20)); |
| 94 | SkPoint3 spotTarget = SkPoint3::Make(SkIntToScalar(40), SkIntToScalar(40), 0); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 95 | SkScalar spotExponent = SK_Scalar1; |
| 96 | SkScalar cutoffAngle = SkIntToScalar(15); |
| 97 | SkScalar kd = SkIntToScalar(2); |
| 98 | SkScalar surfaceScale = SkIntToScalar(1); |
| 99 | SkColor white(0xFFFFFFFF); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 100 | SkMatrix resizeMatrix; |
| 101 | resizeMatrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR); |
commit-bot@chromium.org | 1037d92 | 2014-03-13 19:45:41 +0000 | [diff] [blame] | 102 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 103 | sk_sp<SkImageFilter> filters[] = { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 104 | SkImageFilters::Blur(SkIntToScalar(4), SkIntToScalar(4), nullptr), |
| 105 | SkImageFilters::DropShadow(5, 10, 3, 3, SK_ColorYELLOW, nullptr), |
| 106 | SkImageFilters::DisplacementMap(SkColorChannel::kR, SkColorChannel::kR, 12, |
| 107 | std::move(gradient), checkerboard), |
| 108 | SkImageFilters::Dilate(1, 1, checkerboard), |
| 109 | SkImageFilters::Erode(1, 1, checkerboard), |
| 110 | SkImageFilters::Offset(SkIntToScalar(32), 0, nullptr), |
| 111 | SkImageFilters::MatrixTransform(resizeMatrix, kNone_SkFilterQuality, nullptr), |
| 112 | SkImageFilters::Paint(noisePaint), |
| 113 | SkImageFilters::PointLitDiffuse(pointLocation, white, surfaceScale, kd, nullptr), |
| 114 | SkImageFilters::SpotLitDiffuse(spotLocation, spotTarget, spotExponent, |
| 115 | cutoffAngle, white, surfaceScale, kd, nullptr), |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 116 | }; |
| 117 | |
| 118 | SkVector scales[] = { |
| 119 | SkVector::Make(SkScalarInvert(2), SkScalarInvert(2)), |
| 120 | SkVector::Make(SkIntToScalar(1), SkIntToScalar(1)), |
| 121 | SkVector::Make(SkIntToScalar(1), SkIntToScalar(2)), |
| 122 | SkVector::Make(SkIntToScalar(2), SkIntToScalar(1)), |
| 123 | SkVector::Make(SkIntToScalar(2), SkIntToScalar(2)), |
| 124 | }; |
| 125 | |
| 126 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 127 | SkScalar margin = SkIntToScalar(16); |
| 128 | SkRect bounds = r; |
| 129 | bounds.outset(margin, margin); |
| 130 | |
| 131 | for (size_t j = 0; j < SK_ARRAY_COUNT(scales); ++j) { |
| 132 | canvas->save(); |
| 133 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| 134 | SkPaint paint; |
| 135 | paint.setColor(SK_ColorBLUE); |
| 136 | paint.setImageFilter(filters[i]); |
| 137 | paint.setAntiAlias(true); |
| 138 | canvas->save(); |
| 139 | canvas->scale(scales[j].fX, scales[j].fY); |
senorblanco | 0abdf76 | 2015-08-20 11:10:41 -0700 | [diff] [blame] | 140 | canvas->clipRect(r); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 141 | if (5 == i) { |
| 142 | canvas->translate(SkIntToScalar(-32), 0); |
senorblanco@chromium.org | 897b73f | 2014-02-19 22:10:12 +0000 | [diff] [blame] | 143 | } else if (6 == i) { |
| 144 | canvas->scale(SkScalarInvert(RESIZE_FACTOR), |
| 145 | SkScalarInvert(RESIZE_FACTOR)); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 146 | } |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 147 | canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, paint); |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 148 | canvas->restore(); |
| 149 | canvas->translate(r.width() * scales[j].fX + margin, 0); |
| 150 | } |
| 151 | canvas->restore(); |
| 152 | canvas->translate(0, r.height() * scales[j].fY + margin); |
| 153 | } |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 154 | } |
| 155 | |
| 156 | private: |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 157 | sk_sp<SkImage> fCheckerboard, fGradientCircle; |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 158 | |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 159 | typedef GM INHERITED; |
| 160 | }; |
| 161 | |
| 162 | ////////////////////////////////////////////////////////////////////////////// |
| 163 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 164 | DEF_GM(return new ImageFiltersScaledGM;) |
senorblanco@chromium.org | 2bfe36b | 2014-01-20 19:58:28 +0000 | [diff] [blame] | 165 | } |