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- /*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "gm/gm.h"
- #include "include/core/SkBlurTypes.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkImageFilter.h"
- #include "include/core/SkMaskFilter.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkPathEffect.h"
- #include "include/core/SkPoint.h"
- #include "include/core/SkRegion.h"
- #include "include/core/SkShader.h"
- #include "include/core/SkSize.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTileMode.h"
- #include "include/effects/SkBlurImageFilter.h"
- #include "include/effects/SkDashPathEffect.h"
- #include "include/effects/SkGradientShader.h"
- class DrawRegionModesGM : public skiagm::GM {
- public:
- DrawRegionModesGM() {}
- protected:
- SkString onShortName() override {
- return SkString("drawregionmodes");
- }
- SkISize onISize() override {
- return SkISize::Make(375, 500);
- }
- void onOnceBeforeDraw() override {
- fRegion.op( 50, 50, 100, 100, SkRegion::kUnion_Op);
- fRegion.op( 50, 100, 150, 150, SkRegion::kUnion_Op);
- }
- void onDraw(SkCanvas* canvas) override {
- canvas->clear(SK_ColorGREEN);
- SkPaint paint;
- paint.setStyle(SkPaint::kFill_Style);
- paint.setColor(SK_ColorRED);
- paint.setAntiAlias(true);
- canvas->save();
- canvas->translate(-50.0f, 75.0f);
- canvas->rotate(-45.0f);
- canvas->drawRegion(fRegion, paint);
- canvas->translate(125.0f, 125.0f);
- paint.setImageFilter(SkBlurImageFilter::Make(5.0f, 5.0f, nullptr, nullptr));
- canvas->drawRegion(fRegion, paint);
- canvas->translate(-125.0f, 125.0f);
- paint.setImageFilter(nullptr);
- paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 5.0f));
- canvas->drawRegion(fRegion, paint);
- canvas->translate(-125.0f, -125.0f);
- paint.setMaskFilter(nullptr);
- paint.setStyle(SkPaint::kStroke_Style);
- float intervals[] = { 5.0f, 5.0f };
- paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 2.5f));
- canvas->drawRegion(fRegion, paint);
- canvas->restore();
- canvas->translate(100, 325);
- paint.setPathEffect(nullptr);
- paint.setStyle(SkPaint::kFill_Style);
- SkPoint points[] = { SkPoint::Make(50.0f, 50.0f), SkPoint::Make(150.0f, 150.0f) };
- SkColor colors[] = { SK_ColorBLUE, SK_ColorYELLOW };
- paint.setShader(SkGradientShader::MakeLinear(points, colors, nullptr, 2,
- SkTileMode::kClamp));
- canvas->drawRegion(fRegion, paint);
- }
- private:
- SkRegion fRegion;
- typedef skiagm::GM INHERITED;
- };
- DEF_GM( return new DrawRegionModesGM; )
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