senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +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" |
| 12 | #include "include/core/SkImage.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 13 | #include "include/core/SkImageFilter.h" |
| 14 | #include "include/core/SkMatrix.h" |
| 15 | #include "include/core/SkPaint.h" |
| 16 | #include "include/core/SkPoint.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 17 | #include "include/core/SkPoint3.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 18 | #include "include/core/SkRect.h" |
| 19 | #include "include/core/SkRefCnt.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 20 | #include "include/core/SkScalar.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 21 | #include "include/core/SkShader.h" |
| 22 | #include "include/core/SkSize.h" |
| 23 | #include "include/core/SkString.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 24 | #include "include/core/SkSurface.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 25 | #include "include/core/SkTileMode.h" |
| 26 | #include "include/core/SkTypes.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 27 | #include "include/effects/SkGradientShader.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 28 | #include "include/effects/SkImageFilters.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 29 | #include "include/effects/SkPerlinNoiseShader.h" |
| 30 | #include "tools/ToolUtils.h" |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 31 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 32 | #include <utility> |
| 33 | |
senorblanco@chromium.org | 897b73f | 2014-02-19 22:10:12 +0000 | [diff] [blame] | 34 | #define RESIZE_FACTOR_X SkIntToScalar(2) |
| 35 | #define RESIZE_FACTOR_Y SkIntToScalar(5) |
| 36 | |
robertphillips | 549c899 | 2016-04-01 09:28:51 -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); |
Brian Osman | 116b33e | 2020-02-05 13:34:09 -0500 | [diff] [blame] | 40 | SkScalar radius = std::min(x, y) * 0.8f; |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 41 | auto 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 | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 50 | canvas->drawCircle(x, y, radius, paint); |
| 51 | return surface->makeImageSnapshot(); |
| 52 | } |
| 53 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 54 | static void draw_clipped_filter(SkCanvas* canvas, sk_sp<SkImageFilter> filter, size_t i, |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 55 | const SkRect& primBounds, const SkRect& clipBounds) { |
| 56 | SkPaint paint; |
| 57 | paint.setColor(SK_ColorWHITE); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 58 | paint.setImageFilter(std::move(filter)); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 59 | paint.setAntiAlias(true); |
| 60 | canvas->save(); |
| 61 | canvas->clipRect(clipBounds); |
| 62 | if (5 == i) { |
| 63 | canvas->translate(SkIntToScalar(16), SkIntToScalar(-32)); |
| 64 | } else if (6 == i) { |
| 65 | canvas->scale(SkScalarInvert(RESIZE_FACTOR_X), SkScalarInvert(RESIZE_FACTOR_Y)); |
| 66 | } |
| 67 | canvas->drawCircle(primBounds.centerX(), primBounds.centerY(), |
| 68 | primBounds.width() * 2 / 5, paint); |
| 69 | canvas->restore(); |
| 70 | } |
| 71 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 72 | namespace skiagm { |
| 73 | |
| 74 | class ImageFiltersClippedGM : public GM { |
| 75 | public: |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 76 | ImageFiltersClippedGM() { |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 77 | this->setBGColor(0x00000000); |
| 78 | } |
| 79 | |
| 80 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 81 | SkString onShortName() override { |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 82 | return SkString("imagefiltersclipped"); |
| 83 | } |
| 84 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 85 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 86 | return SkISize::Make(860, 500); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 87 | } |
| 88 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 89 | void onOnceBeforeDraw() override { |
Mike Reed | ac9f0c9 | 2020-12-23 10:11:33 -0500 | [diff] [blame] | 90 | fCheckerboard = |
| 91 | ToolUtils::create_checkerboard_image(64, 64, 0xFFA0A0A0, 0xFF404040, 8); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 92 | fGradientCircle = make_gradient_circle(64, 64); |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 93 | } |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 94 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 95 | void onDraw(SkCanvas* canvas) override { |
senorblanco | 16b254a | 2015-04-09 11:13:24 -0700 | [diff] [blame] | 96 | canvas->clear(SK_ColorBLACK); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 97 | |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 98 | sk_sp<SkImageFilter> gradient(SkImageFilters::Image(fGradientCircle)); |
| 99 | sk_sp<SkImageFilter> checkerboard(SkImageFilters::Image(fCheckerboard)); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 100 | SkMatrix resizeMatrix; |
| 101 | resizeMatrix.setScale(RESIZE_FACTOR_X, RESIZE_FACTOR_Y); |
senorblanco | 7b7ecfc | 2015-08-26 14:26:40 -0700 | [diff] [blame] | 102 | SkPoint3 pointLocation = SkPoint3::Make(32, 32, SkIntToScalar(10)); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 103 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 104 | sk_sp<SkImageFilter> filters[] = { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 105 | SkImageFilters::Blur(SkIntToScalar(12), SkIntToScalar(12), nullptr), |
| 106 | SkImageFilters::DropShadow(SkIntToScalar(10), SkIntToScalar(10), |
| 107 | SkIntToScalar(3), SkIntToScalar(3), SK_ColorGREEN, nullptr), |
| 108 | SkImageFilters::DisplacementMap(SkColorChannel::kR, SkColorChannel::kR, |
| 109 | SkIntToScalar(12), std::move(gradient), checkerboard), |
| 110 | SkImageFilters::Dilate(2, 2, checkerboard), |
| 111 | SkImageFilters::Erode(2, 2, checkerboard), |
| 112 | SkImageFilters::Offset(SkIntToScalar(-16), SkIntToScalar(32), nullptr), |
Mike Reed | 9223665 | 2021-02-01 13:07:32 -0500 | [diff] [blame] | 113 | SkImageFilters::MatrixTransform(resizeMatrix, SkSamplingOptions(), nullptr), |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 114 | SkImageFilters::PointLitDiffuse(pointLocation, SK_ColorWHITE, SK_Scalar1, |
| 115 | SkIntToScalar(2), checkerboard), |
senorblanco | 7b7ecfc | 2015-08-26 14:26:40 -0700 | [diff] [blame] | 116 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 120 | SkScalar margin = SkIntToScalar(16); |
| 121 | SkRect bounds = r; |
| 122 | bounds.outset(margin, margin); |
| 123 | |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 124 | canvas->save(); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 125 | for (int xOffset = 0; xOffset < 80; xOffset += 16) { |
| 126 | canvas->save(); |
| 127 | bounds.fLeft = SkIntToScalar(xOffset); |
| 128 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 129 | draw_clipped_filter(canvas, filters[i], i, r, bounds); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 130 | canvas->translate(r.width() + margin, 0); |
| 131 | } |
| 132 | canvas->restore(); |
| 133 | canvas->translate(0, r.height() + margin); |
| 134 | } |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 135 | canvas->restore(); |
senorblanco@chromium.org | 6711780 | 2014-02-06 00:36:01 +0000 | [diff] [blame] | 136 | |
Michael Ludwig | 7d0f853 | 2020-10-07 15:27:20 -0400 | [diff] [blame] | 137 | sk_sp<SkImageFilter> rectFilter(SkImageFilters::Shader( |
| 138 | SkPerlinNoiseShader::MakeFractalNoise(0.1f, 0.05f, 1, 0))); |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 139 | canvas->translate(SK_ARRAY_COUNT(filters)*(r.width() + margin), 0); |
| 140 | for (int xOffset = 0; xOffset < 80; xOffset += 16) { |
| 141 | bounds.fLeft = SkIntToScalar(xOffset); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 142 | draw_clipped_filter(canvas, rectFilter, 0, r, bounds); |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 143 | canvas->translate(0, r.height() + margin); |
| 144 | } |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | private: |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 148 | sk_sp<SkImage> fCheckerboard, fGradientCircle; |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 149 | |
John Stiles | 7571f9e | 2020-09-02 22:42:33 -0400 | [diff] [blame] | 150 | using INHERITED = GM; |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 151 | }; |
| 152 | |
| 153 | ////////////////////////////////////////////////////////////////////////////// |
| 154 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 155 | DEF_GM(return new ImageFiltersClippedGM;) |
John Stiles | a6841be | 2020-08-06 14:11:56 -0400 | [diff] [blame] | 156 | } // namespace skiagm |