2 * Copyright 2016 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
9 #include "SkBlurMaskFilter.h"
11 #include "SkDashPathEffect.h"
12 #include "SkGradientShader.h"
13 #include "SkImageFilter.h"
16 class DrawRegionModesGM : public skiagm::GM {
18 DrawRegionModesGM() {}
21 SkString onShortName() override {
22 return SkString("drawregionmodes");
25 SkISize onISize() override {
26 return SkISize::Make(375, 500);
29 void onOnceBeforeDraw() override {
30 fRegion.op( 50, 50, 100, 100, SkRegion::kUnion_Op);
31 fRegion.op( 50, 100, 150, 150, SkRegion::kUnion_Op);
34 void onDraw(SkCanvas* canvas) override {
35 canvas->clear(SK_ColorGREEN);
38 paint.setStyle(SkPaint::kFill_Style);
39 paint.setColor(0xFFFF0000);
40 paint.setAntiAlias(true);
42 canvas->translate(-50.0f, 75.0f);
43 canvas->rotate(-45.0f);
44 canvas->drawRegion(fRegion, paint);
46 canvas->translate(125.0f, 125.0f);
47 paint.setImageFilter(SkImageFilter::MakeBlur(5.0f, 5.0f, nullptr, nullptr));
48 canvas->drawRegion(fRegion, paint);
50 canvas->translate(-125.0f, 125.0f);
51 paint.setImageFilter(nullptr);
52 SkRect occluder = SkRect::MakeEmpty();
53 paint.setMaskFilter(SkBlurMaskFilter::Make(kNormal_SkBlurStyle, 5.0f, occluder, 0));
54 canvas->drawRegion(fRegion, paint);
56 canvas->translate(-125.0f, -125.0f);
57 paint.setMaskFilter(nullptr);
58 paint.setStyle(SkPaint::kStroke_Style);
59 float intervals[] = { 5.0f, 5.0f };
60 paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 2.5f));
61 canvas->drawRegion(fRegion, paint);
63 canvas->setMatrix(SkMatrix::I());
64 canvas->translate(100, 325);
65 paint.setPathEffect(nullptr);
66 paint.setStyle(SkPaint::kFill_Style);
67 SkPoint points[] = { SkPoint::Make(50.0f, 50.0f), SkPoint::Make(150.0f, 150.0f) };
68 SkColor colors[] = { SK_ColorBLUE, SK_ColorYELLOW };
69 paint.setShader(SkGradientShader::MakeLinear(points, colors, nullptr, 2,
70 SkShader::kClamp_TileMode));
71 canvas->drawRegion(fRegion, paint);
77 typedef skiagm::GM INHERITED;
79 DEF_GM( return new DrawRegionModesGM; )