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 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 8 | #include "SkBlurImageFilter.h" |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 9 | #include "SkColor.h" |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 10 | #include "SkDisplacementMapEffect.h" |
| 11 | #include "SkDropShadowImageFilter.h" |
| 12 | #include "SkGradientShader.h" |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 13 | #include "SkImage.h" |
| 14 | #include "SkImageSource.h" |
senorblanco | 7b7ecfc | 2015-08-26 14:26:40 -0700 | [diff] [blame] | 15 | #include "SkLightingImageFilter.h" |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 16 | #include "SkMorphologyImageFilter.h" |
| 17 | #include "SkOffsetImageFilter.h" |
ajuma | 77b6ba3 | 2016-01-08 14:58:35 -0800 | [diff] [blame] | 18 | #include "SkPaintImageFilter.h" |
senorblanco@chromium.org | 47d98c8 | 2014-03-03 14:58:09 +0000 | [diff] [blame] | 19 | #include "SkPerlinNoiseShader.h" |
senorblanco | 7b7ecfc | 2015-08-26 14:26:40 -0700 | [diff] [blame] | 20 | #include "SkPoint3.h" |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 21 | #include "SkScalar.h" |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 22 | #include "SkSurface.h" |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 23 | #include "gm.h" |
Mike Klein | 33d2055 | 2017-03-22 13:47:51 -0400 | [diff] [blame] | 24 | #include "sk_tool_utils.h" |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 25 | |
senorblanco@chromium.org | 897b73f | 2014-02-19 22:10:12 +0000 | [diff] [blame] | 26 | #define RESIZE_FACTOR_X SkIntToScalar(2) |
| 27 | #define RESIZE_FACTOR_Y SkIntToScalar(5) |
| 28 | |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 29 | static sk_sp<SkImage> make_gradient_circle(int width, int height) { |
| 30 | SkScalar x = SkIntToScalar(width / 2); |
| 31 | SkScalar y = SkIntToScalar(height / 2); |
| 32 | SkScalar radius = SkMinScalar(x, y) * 0.8f; |
| 33 | auto surface(SkSurface::MakeRasterN32Premul(width, height)); |
| 34 | SkCanvas* canvas = surface->getCanvas(); |
| 35 | canvas->clear(0x00000000); |
| 36 | SkColor colors[2]; |
| 37 | colors[0] = SK_ColorWHITE; |
| 38 | colors[1] = SK_ColorBLACK; |
| 39 | SkPaint paint; |
| 40 | paint.setShader(SkGradientShader::MakeRadial(SkPoint::Make(x, y), radius, colors, nullptr, |
| 41 | 2, SkShader::kClamp_TileMode)); |
| 42 | canvas->drawCircle(x, y, radius, paint); |
| 43 | return surface->makeImageSnapshot(); |
| 44 | } |
| 45 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 46 | 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] | 47 | const SkRect& primBounds, const SkRect& clipBounds) { |
| 48 | SkPaint paint; |
| 49 | paint.setColor(SK_ColorWHITE); |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 50 | paint.setImageFilter(std::move(filter)); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 51 | paint.setAntiAlias(true); |
| 52 | canvas->save(); |
| 53 | canvas->clipRect(clipBounds); |
| 54 | if (5 == i) { |
| 55 | canvas->translate(SkIntToScalar(16), SkIntToScalar(-32)); |
| 56 | } else if (6 == i) { |
| 57 | canvas->scale(SkScalarInvert(RESIZE_FACTOR_X), SkScalarInvert(RESIZE_FACTOR_Y)); |
| 58 | } |
| 59 | canvas->drawCircle(primBounds.centerX(), primBounds.centerY(), |
| 60 | primBounds.width() * 2 / 5, paint); |
| 61 | canvas->restore(); |
| 62 | } |
| 63 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 64 | namespace skiagm { |
| 65 | |
| 66 | class ImageFiltersClippedGM : public GM { |
| 67 | public: |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 68 | ImageFiltersClippedGM() { |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 69 | this->setBGColor(0x00000000); |
| 70 | } |
| 71 | |
| 72 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 73 | SkString onShortName() override { |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 74 | return SkString("imagefiltersclipped"); |
| 75 | } |
| 76 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 77 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 78 | return SkISize::Make(860, 500); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +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 |
| 83 | (sk_tool_utils::create_checkerboard_bitmap(64, 64, 0xFFA0A0A0, 0xFF404040, 8)); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -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 | c4b12f1 | 2014-02-05 17:51:22 +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)); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 92 | SkMatrix resizeMatrix; |
| 93 | resizeMatrix.setScale(RESIZE_FACTOR_X, RESIZE_FACTOR_Y); |
senorblanco | 7b7ecfc | 2015-08-26 14:26:40 -0700 | [diff] [blame] | 94 | SkPoint3 pointLocation = SkPoint3::Make(32, 32, SkIntToScalar(10)); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 95 | |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 96 | sk_sp<SkImageFilter> filters[] = { |
| 97 | SkBlurImageFilter::Make(SkIntToScalar(12), SkIntToScalar(12), nullptr), |
| 98 | SkDropShadowImageFilter::Make( |
| 99 | SkIntToScalar(10), SkIntToScalar(10), |
| 100 | SkIntToScalar(3), SkIntToScalar(3), SK_ColorGREEN, |
| 101 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, |
| 102 | nullptr), |
robertphillips | bfe11fc | 2016-04-15 07:17:36 -0700 | [diff] [blame] | 103 | SkDisplacementMapEffect::Make(SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 104 | SkDisplacementMapEffect::kR_ChannelSelectorType, |
| 105 | SkIntToScalar(12), |
| 106 | std::move(gradient), |
| 107 | checkerboard), |
robertphillips | 12fa47d | 2016-04-08 16:28:09 -0700 | [diff] [blame] | 108 | SkDilateImageFilter::Make(2, 2, checkerboard), |
| 109 | SkErodeImageFilter::Make(2, 2, checkerboard), |
| 110 | SkOffsetImageFilter::Make(SkIntToScalar(-16), SkIntToScalar(32), nullptr), |
| 111 | SkImageFilter::MakeMatrixFilter(resizeMatrix, kNone_SkFilterQuality, nullptr), |
| 112 | SkLightingImageFilter::MakePointLitDiffuse(pointLocation, SK_ColorWHITE, SK_Scalar1, |
| 113 | SkIntToScalar(2), checkerboard), |
senorblanco | 7b7ecfc | 2015-08-26 14:26:40 -0700 | [diff] [blame] | 114 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 115 | }; |
| 116 | |
| 117 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 118 | SkScalar margin = SkIntToScalar(16); |
| 119 | SkRect bounds = r; |
| 120 | bounds.outset(margin, margin); |
| 121 | |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 122 | canvas->save(); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 123 | for (int xOffset = 0; xOffset < 80; xOffset += 16) { |
| 124 | canvas->save(); |
| 125 | bounds.fLeft = SkIntToScalar(xOffset); |
| 126 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 127 | draw_clipped_filter(canvas, filters[i], i, r, bounds); |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 128 | canvas->translate(r.width() + margin, 0); |
| 129 | } |
| 130 | canvas->restore(); |
| 131 | canvas->translate(0, r.height() + margin); |
| 132 | } |
jvanverth | 0278197 | 2015-07-21 08:38:06 -0700 | [diff] [blame] | 133 | canvas->restore(); |
senorblanco@chromium.org | 6711780 | 2014-02-06 00:36:01 +0000 | [diff] [blame] | 134 | |
ajuma | 77b6ba3 | 2016-01-08 14:58:35 -0800 | [diff] [blame] | 135 | SkPaint noisePaint; |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 136 | noisePaint.setShader(SkPerlinNoiseShader::MakeFractalNoise(0.1f, 0.05f, 1, 0)); |
| 137 | |
robertphillips | 372177e | 2016-03-30 07:32:28 -0700 | [diff] [blame] | 138 | sk_sp<SkImageFilter> rectFilter(SkPaintImageFilter::Make(noisePaint)); |
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 | |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 150 | typedef GM INHERITED; |
| 151 | }; |
| 152 | |
| 153 | ////////////////////////////////////////////////////////////////////////////// |
| 154 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 155 | DEF_GM(return new ImageFiltersClippedGM;) |
senorblanco@chromium.org | c4b12f1 | 2014-02-05 17:51:22 +0000 | [diff] [blame] | 156 | } |