reed | 499abab | 2015-08-20 12:30:20 -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" |
| 9 | #include "include/core/SkCanvas.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 10 | #include "include/core/SkColor.h" |
| 11 | #include "include/core/SkColorSpace.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 12 | #include "include/core/SkData.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 13 | #include "include/core/SkEncodedImageFormat.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 14 | #include "include/core/SkImage.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 15 | #include "include/core/SkImageInfo.h" |
| 16 | #include "include/core/SkMatrix.h" |
| 17 | #include "include/core/SkPaint.h" |
| 18 | #include "include/core/SkPicture.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 19 | #include "include/core/SkPictureRecorder.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 20 | #include "include/core/SkRect.h" |
| 21 | #include "include/core/SkRefCnt.h" |
| 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" |
| 28 | |
| 29 | #include <utility> |
| 30 | |
| 31 | class GrContext; |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 32 | |
| 33 | static void draw_something(SkCanvas* canvas, const SkRect& bounds) { |
| 34 | SkPaint paint; |
| 35 | paint.setAntiAlias(true); |
| 36 | paint.setColor(SK_ColorRED); |
| 37 | paint.setStyle(SkPaint::kStroke_Style); |
| 38 | paint.setStrokeWidth(10); |
| 39 | canvas->drawRect(bounds, paint); |
| 40 | paint.setStyle(SkPaint::kFill_Style); |
| 41 | paint.setColor(SK_ColorBLUE); |
| 42 | canvas->drawOval(bounds, paint); |
| 43 | } |
| 44 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 45 | typedef sk_sp<SkImage> (*ImageMakerProc)(GrContext*, SkPicture*, const SkImageInfo&); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 46 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 47 | static sk_sp<SkImage> make_raster(GrContext*, SkPicture* pic, const SkImageInfo& info) { |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 48 | auto surface(SkSurface::MakeRaster(info)); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 49 | surface->getCanvas()->clear(0); |
| 50 | surface->getCanvas()->drawPicture(pic); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 51 | return surface->makeImageSnapshot(); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 52 | } |
| 53 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 54 | static sk_sp<SkImage> make_texture(GrContext* ctx, SkPicture* pic, const SkImageInfo& info) { |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 55 | if (!ctx) { |
| 56 | return nullptr; |
| 57 | } |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 58 | auto surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, info)); |
scroggo | a1b2833 | 2016-05-12 06:19:37 -0700 | [diff] [blame] | 59 | if (!surface) { |
| 60 | return nullptr; |
| 61 | } |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 62 | surface->getCanvas()->clear(0); |
| 63 | surface->getCanvas()->drawPicture(pic); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 64 | return surface->makeImageSnapshot(); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 65 | } |
| 66 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 67 | static sk_sp<SkImage> make_pict_gen(GrContext*, SkPicture* pic, const SkImageInfo& info) { |
Brian Osman | 138ea97 | 2016-12-16 11:55:18 -0500 | [diff] [blame] | 68 | return SkImage::MakeFromPicture(sk_ref_sp(pic), info.dimensions(), nullptr, nullptr, |
Matt Sarett | e94255d | 2017-01-09 12:38:59 -0500 | [diff] [blame] | 69 | SkImage::BitDepth::kU8, |
Matt Sarett | 77a7a1b | 2017-02-07 13:56:11 -0500 | [diff] [blame] | 70 | SkColorSpace::MakeSRGB()); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 71 | } |
| 72 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 73 | static sk_sp<SkImage> make_encode_gen(GrContext* ctx, SkPicture* pic, const SkImageInfo& info) { |
| 74 | sk_sp<SkImage> src(make_raster(ctx, pic, info)); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 75 | if (!src) { |
| 76 | return nullptr; |
| 77 | } |
Mike Reed | 6409f84 | 2017-07-11 16:03:13 -0400 | [diff] [blame] | 78 | sk_sp<SkData> encoded = src->encodeToData(SkEncodedImageFormat::kPNG, 100); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 79 | if (!encoded) { |
| 80 | return nullptr; |
| 81 | } |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 82 | return SkImage::MakeFromEncoded(std::move(encoded)); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | const ImageMakerProc gProcs[] = { |
| 86 | make_raster, |
| 87 | make_texture, |
| 88 | make_pict_gen, |
| 89 | make_encode_gen, |
| 90 | }; |
| 91 | |
| 92 | /* |
| 93 | * Exercise drawing pictures inside an image, showing that the image version is pixelated |
| 94 | * (correctly) when it is inside an image. |
| 95 | */ |
| 96 | class ImageShaderGM : public skiagm::GM { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 97 | sk_sp<SkPicture> fPicture; |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 98 | |
| 99 | public: |
| 100 | ImageShaderGM() {} |
| 101 | |
| 102 | protected: |
| 103 | SkString onShortName() override { |
| 104 | return SkString("image-shader"); |
| 105 | } |
| 106 | |
| 107 | SkISize onISize() override { |
| 108 | return SkISize::Make(850, 450); |
| 109 | } |
| 110 | |
| 111 | void onOnceBeforeDraw() override { |
| 112 | const SkRect bounds = SkRect::MakeWH(100, 100); |
| 113 | SkPictureRecorder recorder; |
| 114 | draw_something(recorder.beginRecording(bounds), bounds); |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 115 | fPicture = recorder.finishRecordingAsPicture(); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | void testImage(SkCanvas* canvas, SkImage* image) { |
| 119 | SkAutoCanvasRestore acr(canvas, true); |
| 120 | |
| 121 | canvas->drawImage(image, 0, 0); |
| 122 | canvas->translate(0, 120); |
| 123 | |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 124 | const SkTileMode tile = SkTileMode::kRepeat; |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 125 | const SkMatrix localM = SkMatrix::MakeTrans(-50, -50); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 126 | SkPaint paint; |
reed | 5671c5b | 2016-03-09 14:47:34 -0800 | [diff] [blame] | 127 | paint.setShader(image->makeShader(tile, tile, &localM)); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 128 | paint.setAntiAlias(true); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 129 | canvas->drawCircle(50, 50, 50, paint); |
| 130 | } |
| 131 | |
| 132 | void onDraw(SkCanvas* canvas) override { |
| 133 | canvas->translate(20, 20); |
| 134 | |
| 135 | const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); |
| 136 | |
| 137 | for (size_t i = 0; i < SK_ARRAY_COUNT(gProcs); ++i) { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 138 | sk_sp<SkImage> image(gProcs[i](canvas->getGrContext(), fPicture.get(), info)); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 139 | if (image) { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 140 | this->testImage(canvas, image.get()); |
reed | 499abab | 2015-08-20 12:30:20 -0700 | [diff] [blame] | 141 | } |
| 142 | canvas->translate(120, 0); |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | private: |
| 147 | typedef skiagm::GM INHERITED; |
| 148 | }; |
| 149 | DEF_GM( return new ImageShaderGM; ) |