epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 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 | */ |
bungeman | d3ebb48 | 2015-08-05 13:57:49 -0700 | [diff] [blame] | 7 | |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 8 | #include "gm.h" |
reed | fb8c1fc | 2015-08-04 18:44:56 -0700 | [diff] [blame] | 9 | #include "SkBlurDrawLooper.h" |
bungeman | d3ebb48 | 2015-08-05 13:57:49 -0700 | [diff] [blame] | 10 | #include "SkBlurMask.h" |
| 11 | #include "SkPath.h" |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 12 | |
| 13 | namespace skiagm { |
| 14 | |
| 15 | /////////////////////////////////////////////////////////////////////////////// |
| 16 | |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 17 | static void setup(SkPaint* paint, SkColor c, SkScalar strokeWidth) { |
| 18 | paint->setColor(c); |
| 19 | if (strokeWidth < 0) { |
| 20 | paint->setStyle(SkPaint::kFill_Style); |
| 21 | } else { |
| 22 | paint->setStyle(SkPaint::kStroke_Style); |
| 23 | paint->setStrokeWidth(strokeWidth); |
| 24 | } |
| 25 | } |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 26 | |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 27 | class ShadowsGM : public GM { |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 28 | public: |
| 29 | SkPath fCirclePath; |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 30 | SkRect fRect; |
caryclark | 500ab75 | 2015-09-04 05:20:32 -0700 | [diff] [blame] | 31 | SkBitmap fBitmap; |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 32 | |
caryclark | 63c684a | 2015-02-25 09:04:04 -0800 | [diff] [blame] | 33 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 34 | void onOnceBeforeDraw() override { |
caryclark | 65cdba6 | 2015-06-15 06:51:08 -0700 | [diff] [blame] | 35 | this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD)); |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 36 | fCirclePath.addCircle(SkIntToScalar(20), SkIntToScalar(20), SkIntToScalar(10) ); |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 37 | fRect.set(SkIntToScalar(10), SkIntToScalar(10), |
| 38 | SkIntToScalar(30), SkIntToScalar(30)); |
caryclark | 500ab75 | 2015-09-04 05:20:32 -0700 | [diff] [blame] | 39 | fBitmap.allocPixels(SkImageInfo::Make(20, 20, SkColorType::kAlpha_8_SkColorType, |
| 40 | kPremul_SkAlphaType)); |
| 41 | SkCanvas canvas(fBitmap); |
| 42 | canvas.clear(0x0); |
| 43 | SkPaint p; |
| 44 | canvas.drawRect(SkRect::MakeXYWH(10, 0, 10, 10), p); |
| 45 | canvas.drawRect(SkRect::MakeXYWH(0, 10, 10, 10), p); |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 46 | } |
| 47 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 48 | SkString onShortName() override { |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 49 | return SkString("shadows"); |
| 50 | } |
| 51 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 52 | SkISize onISize() override { |
caryclark | c8b350d | 2015-09-04 06:19:48 -0700 | [diff] [blame] | 53 | return SkISize::Make(200, 200); |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 54 | } |
| 55 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 56 | void onDraw(SkCanvas* canvas) override { |
reed | 2d6ba66 | 2015-12-20 20:08:42 -0800 | [diff] [blame^] | 57 | SkBlurDrawLooper* shadowLoopers[5]; |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 58 | shadowLoopers[0] = |
| 59 | SkBlurDrawLooper::Create(SK_ColorBLUE, |
| 60 | SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(10)), |
| 61 | SkIntToScalar(5), SkIntToScalar(10), |
| 62 | SkBlurDrawLooper::kIgnoreTransform_BlurFlag | |
| 63 | SkBlurDrawLooper::kOverrideColor_BlurFlag | |
| 64 | SkBlurDrawLooper::kHighQuality_BlurFlag); |
| 65 | SkAutoUnref aurL0(shadowLoopers[0]); |
| 66 | shadowLoopers[1] = |
| 67 | SkBlurDrawLooper::Create(SK_ColorBLUE, |
| 68 | SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(10)), |
| 69 | SkIntToScalar(5), SkIntToScalar(10), |
| 70 | SkBlurDrawLooper::kIgnoreTransform_BlurFlag | |
| 71 | SkBlurDrawLooper::kOverrideColor_BlurFlag); |
| 72 | SkAutoUnref aurL1(shadowLoopers[1]); |
| 73 | shadowLoopers[2] = |
| 74 | SkBlurDrawLooper::Create(SK_ColorBLACK, |
| 75 | SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)), |
| 76 | SkIntToScalar(5), |
| 77 | SkIntToScalar(10), |
| 78 | SkBlurDrawLooper::kIgnoreTransform_BlurFlag | |
| 79 | SkBlurDrawLooper::kHighQuality_BlurFlag); |
| 80 | SkAutoUnref aurL2(shadowLoopers[2]); |
| 81 | shadowLoopers[3] = |
| 82 | SkBlurDrawLooper::Create(0x7FFF0000, |
| 83 | SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)), |
| 84 | SkIntToScalar(-5), SkIntToScalar(-10), |
| 85 | SkBlurDrawLooper::kIgnoreTransform_BlurFlag | |
| 86 | SkBlurDrawLooper::kOverrideColor_BlurFlag | |
| 87 | SkBlurDrawLooper::kHighQuality_BlurFlag); |
| 88 | SkAutoUnref aurL3(shadowLoopers[3]); |
| 89 | shadowLoopers[4] = |
| 90 | SkBlurDrawLooper::Create(SK_ColorBLACK, SkIntToScalar(0), |
| 91 | SkIntToScalar(5), SkIntToScalar(5), |
| 92 | SkBlurDrawLooper::kIgnoreTransform_BlurFlag | |
| 93 | SkBlurDrawLooper::kOverrideColor_BlurFlag | |
| 94 | SkBlurDrawLooper::kHighQuality_BlurFlag); |
| 95 | SkAutoUnref aurL4(shadowLoopers[4]); |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 96 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 97 | static const struct { |
| 98 | SkColor fColor; |
| 99 | SkScalar fStrokeWidth; |
| 100 | } gRec[] = { |
| 101 | { SK_ColorRED, -SK_Scalar1 }, |
| 102 | { SK_ColorGREEN, SkIntToScalar(4) }, |
| 103 | { SK_ColorBLUE, SkIntToScalar(0)}, |
| 104 | }; |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 105 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 106 | SkPaint paint; |
| 107 | paint.setAntiAlias(true); |
| 108 | for (size_t i = 0; i < SK_ARRAY_COUNT(shadowLoopers); ++i) { |
| 109 | SkAutoCanvasRestore acr(canvas, true); |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 110 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 111 | paint.setLooper(shadowLoopers[i]); |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 112 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 113 | canvas->translate(SkIntToScalar((unsigned int)i*40), SkIntToScalar(0)); |
| 114 | setup(&paint, gRec[0].fColor, gRec[0].fStrokeWidth); |
| 115 | canvas->drawRect(fRect, paint); |
reed@google.com | e3605d0 | 2011-05-26 15:12:35 +0000 | [diff] [blame] | 116 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 117 | canvas->translate(SkIntToScalar(0), SkIntToScalar(40)); |
| 118 | setup(&paint, gRec[1].fColor, gRec[1].fStrokeWidth); |
| 119 | canvas->drawPath(fCirclePath, paint); |
junov@chromium.org | 7c545bd | 2012-04-05 13:20:59 +0000 | [diff] [blame] | 120 | |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 121 | canvas->translate(SkIntToScalar(0), SkIntToScalar(40)); |
| 122 | setup(&paint, gRec[2].fColor, gRec[2].fStrokeWidth); |
| 123 | canvas->drawPath(fCirclePath, paint); |
caryclark | 500ab75 | 2015-09-04 05:20:32 -0700 | [diff] [blame] | 124 | |
| 125 | // see bug.skia.org/562 (reference, draws correct) |
| 126 | canvas->translate(0, 40); |
| 127 | paint.setColor(SK_ColorBLACK); |
| 128 | canvas->drawBitmap(fBitmap, 10, 10, &paint); |
| 129 | |
| 130 | canvas->translate(0, 40); |
| 131 | SkAutoTUnref<SkShader> shader(SkShader::CreateBitmapShader( |
| 132 | fBitmap, SkShader::kRepeat_TileMode, |
| 133 | SkShader::kRepeat_TileMode)); |
| 134 | |
| 135 | // see bug.skia.org/562 (shows bug as reported) |
| 136 | paint.setShader(shader); |
| 137 | paint.setStyle(SkPaint::kFill_Style); |
| 138 | canvas->drawRect(SkRect::MakeXYWH(10, 10, 20, 20), paint); |
| 139 | paint.setShader(nullptr); |
mtklein | f059900 | 2015-07-13 06:18:39 -0700 | [diff] [blame] | 140 | } |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 141 | } |
senorblanco@chromium.org | 4868e6b | 2011-02-18 19:03:01 +0000 | [diff] [blame] | 142 | |
| 143 | private: |
| 144 | typedef GM INHERITED; |
| 145 | }; |
| 146 | |
| 147 | /////////////////////////////////////////////////////////////////////////////// |
| 148 | |
| 149 | static GM* MyFactory(void*) { return new ShadowsGM; } |
| 150 | static GMRegistry reg(MyFactory); |
| 151 | |
| 152 | } |