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