robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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 | 6a34f3a | 2019-05-01 10:59:30 -0400 | [diff] [blame] | 9 | #include "include/core/SkCanvas.h" |
| 10 | #include "include/core/SkColor.h" |
| 11 | #include "include/core/SkImage.h" |
| 12 | #include "include/core/SkImageFilter.h" |
| 13 | #include "include/core/SkMatrix.h" |
| 14 | #include "include/core/SkPaint.h" |
| 15 | #include "include/core/SkRect.h" |
| 16 | #include "include/core/SkRefCnt.h" |
| 17 | #include "include/core/SkScalar.h" |
| 18 | #include "include/core/SkSize.h" |
| 19 | #include "include/core/SkString.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 20 | #include "include/core/SkSurface.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 21 | #include "include/effects/SkImageFilters.h" |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 22 | |
Ben Wagner | 6a34f3a | 2019-05-01 10:59:30 -0400 | [diff] [blame] | 23 | #include <utility> |
| 24 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 25 | static sk_sp<SkImage> create_circle_texture(int size, SkColor color) { |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 26 | auto surface(SkSurface::MakeRasterN32Premul(size, size)); |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 27 | SkCanvas* canvas = surface->getCanvas(); |
| 28 | canvas->clear(0xFF000000); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 29 | |
| 30 | SkPaint paint; |
| 31 | paint.setColor(color); |
| 32 | paint.setStrokeWidth(3); |
| 33 | paint.setStyle(SkPaint::kStroke_Style); |
| 34 | |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 35 | canvas->drawCircle(SkScalarHalf(size), SkScalarHalf(size), SkScalarHalf(size), paint); |
| 36 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 37 | return surface->makeImageSnapshot(); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 38 | } |
| 39 | |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 40 | namespace skiagm { |
| 41 | |
| 42 | class BigTileImageFilterGM : public GM { |
| 43 | public: |
| 44 | BigTileImageFilterGM() { |
| 45 | this->setBGColor(0xFF000000); |
| 46 | } |
| 47 | |
| 48 | protected: |
| 49 | |
| 50 | SkString onShortName() override { |
| 51 | return SkString("bigtileimagefilter"); |
| 52 | } |
| 53 | |
Hal Canary | fa3305a | 2019-07-18 12:36:54 -0400 | [diff] [blame] | 54 | SkISize onISize() override { |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 55 | return SkISize::Make(kWidth, kHeight); |
| 56 | } |
| 57 | |
| 58 | void onOnceBeforeDraw() override { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 59 | fRedImage = create_circle_texture(kBitmapSize, SK_ColorRED); |
| 60 | fGreenImage = create_circle_texture(kBitmapSize, SK_ColorGREEN); |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | void onDraw(SkCanvas* canvas) override { |
| 64 | canvas->clear(SK_ColorBLACK); |
| 65 | |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 66 | { |
| 67 | SkPaint p; |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 68 | |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 69 | const SkRect bound = SkRect::MakeIWH(kWidth, kHeight); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 70 | sk_sp<SkImageFilter> imageSource(SkImageFilters::Image(fRedImage)); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 71 | |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 72 | sk_sp<SkImageFilter> tif(SkImageFilters::Tile( |
| 73 | SkRect::MakeIWH(kBitmapSize, kBitmapSize), SkRect::MakeIWH(kWidth, kHeight), |
| 74 | std::move(imageSource))); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 75 | |
| 76 | p.setImageFilter(std::move(tif)); |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 77 | |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 78 | canvas->saveLayer(&bound, &p); |
| 79 | canvas->restore(); |
| 80 | } |
| 81 | |
| 82 | { |
| 83 | SkPaint p2; |
| 84 | |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 85 | const SkRect bound2 = SkRect::MakeIWH(kBitmapSize, kBitmapSize); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 86 | |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 87 | sk_sp<SkImageFilter> tif(SkImageFilters::Tile( |
| 88 | SkRect::MakeIWH(kBitmapSize, kBitmapSize), |
| 89 | SkRect::MakeIWH(kBitmapSize, kBitmapSize), |
| 90 | nullptr)); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 91 | |
| 92 | p2.setImageFilter(std::move(tif)); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 93 | |
| 94 | canvas->translate(320, 320); |
| 95 | canvas->saveLayer(&bound2, &p2); |
| 96 | canvas->setMatrix(SkMatrix::I()); |
| 97 | |
| 98 | SkRect bound3 = SkRect::MakeXYWH(320, 320, |
| 99 | SkIntToScalar(kBitmapSize), |
| 100 | SkIntToScalar(kBitmapSize)); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 101 | canvas->drawImageRect(fGreenImage.get(), bound2, bound3, nullptr, |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 102 | SkCanvas::kStrict_SrcRectConstraint); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 103 | canvas->restore(); |
| 104 | } |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | private: |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 108 | static constexpr int kWidth = 512; |
| 109 | static constexpr int kHeight = 512; |
| 110 | static constexpr int kBitmapSize = 64; |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 111 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 112 | sk_sp<SkImage> fRedImage; |
| 113 | sk_sp<SkImage> fGreenImage; |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 114 | |
| 115 | typedef GM INHERITED; |
| 116 | }; |
| 117 | |
| 118 | ////////////////////////////////////////////////////////////////////////////// |
| 119 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 120 | DEF_GM(return new BigTileImageFilterGM;) |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 121 | } |