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 | |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 8 | #include "SkImageSource.h" |
| 9 | #include "SkSurface.h" |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 10 | #include "SkTileImageFilter.h" |
| 11 | #include "gm.h" |
| 12 | |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 13 | static SkImage* create_circle_texture(int size, SkColor color) { |
| 14 | SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(size, size)); |
| 15 | SkCanvas* canvas = surface->getCanvas(); |
| 16 | canvas->clear(0xFF000000); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 17 | |
| 18 | SkPaint paint; |
| 19 | paint.setColor(color); |
| 20 | paint.setStrokeWidth(3); |
| 21 | paint.setStyle(SkPaint::kStroke_Style); |
| 22 | |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 23 | canvas->drawCircle(SkScalarHalf(size), SkScalarHalf(size), SkScalarHalf(size), paint); |
| 24 | |
| 25 | return surface->newImageSnapshot(); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 26 | } |
| 27 | |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 28 | namespace skiagm { |
| 29 | |
| 30 | class BigTileImageFilterGM : public GM { |
| 31 | public: |
| 32 | BigTileImageFilterGM() { |
| 33 | this->setBGColor(0xFF000000); |
| 34 | } |
| 35 | |
| 36 | protected: |
| 37 | |
| 38 | SkString onShortName() override { |
| 39 | return SkString("bigtileimagefilter"); |
| 40 | } |
| 41 | |
| 42 | SkISize onISize() override{ |
| 43 | return SkISize::Make(kWidth, kHeight); |
| 44 | } |
| 45 | |
| 46 | void onOnceBeforeDraw() override { |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 47 | fRedImage.reset(create_circle_texture(kBitmapSize, SK_ColorRED)); |
| 48 | fGreenImage.reset(create_circle_texture(kBitmapSize, SK_ColorGREEN)); |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 49 | } |
| 50 | |
| 51 | void onDraw(SkCanvas* canvas) override { |
| 52 | canvas->clear(SK_ColorBLACK); |
| 53 | |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 54 | { |
| 55 | SkPaint p; |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 56 | |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 57 | SkRect bound = SkRect::MakeWH(SkIntToScalar(kWidth), SkIntToScalar(kHeight)); |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 58 | SkAutoTUnref<SkImageFilter> imageSource(SkImageSource::Create(fRedImage)); |
reed | 5ea95df | 2015-10-06 14:05:32 -0700 | [diff] [blame] | 59 | SkAutoTUnref<SkImageFilter> tif(SkTileImageFilter::Create( |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 60 | SkRect::MakeWH(SkIntToScalar(kBitmapSize), SkIntToScalar(kBitmapSize)), |
| 61 | SkRect::MakeWH(SkIntToScalar(kWidth), SkIntToScalar(kHeight)), |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 62 | imageSource)); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 63 | p.setImageFilter(tif); |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 64 | |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 65 | canvas->saveLayer(&bound, &p); |
| 66 | canvas->restore(); |
| 67 | } |
| 68 | |
| 69 | { |
| 70 | SkPaint p2; |
| 71 | |
| 72 | SkRect bound2 = SkRect::MakeWH(SkIntToScalar(kBitmapSize), SkIntToScalar(kBitmapSize)); |
| 73 | |
reed | 5ea95df | 2015-10-06 14:05:32 -0700 | [diff] [blame] | 74 | SkAutoTUnref<SkImageFilter> tif2(SkTileImageFilter::Create( |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 75 | SkRect::MakeWH(SkIntToScalar(kBitmapSize), SkIntToScalar(kBitmapSize)), |
| 76 | SkRect::MakeWH(SkIntToScalar(kBitmapSize), SkIntToScalar(kBitmapSize)), |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 77 | nullptr)); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 78 | p2.setImageFilter(tif2); |
| 79 | |
| 80 | canvas->translate(320, 320); |
| 81 | canvas->saveLayer(&bound2, &p2); |
| 82 | canvas->setMatrix(SkMatrix::I()); |
| 83 | |
| 84 | SkRect bound3 = SkRect::MakeXYWH(320, 320, |
| 85 | SkIntToScalar(kBitmapSize), |
| 86 | SkIntToScalar(kBitmapSize)); |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 87 | canvas->drawImageRect(fGreenImage, bound2, bound3, nullptr, |
| 88 | SkCanvas::kStrict_SrcRectConstraint); |
robertphillips | c3176aa | 2015-06-16 09:44:56 -0700 | [diff] [blame] | 89 | canvas->restore(); |
| 90 | } |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | private: |
| 94 | static const int kWidth = 512; |
| 95 | static const int kHeight = 512; |
| 96 | static const int kBitmapSize = 64; |
| 97 | |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 98 | SkAutoTUnref<SkImage> fRedImage; |
| 99 | SkAutoTUnref<SkImage> fGreenImage; |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 100 | |
| 101 | typedef GM INHERITED; |
| 102 | }; |
| 103 | |
| 104 | ////////////////////////////////////////////////////////////////////////////// |
| 105 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 106 | DEF_GM(return new BigTileImageFilterGM;) |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 107 | } |