122 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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| * Copyright 2013 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/SkBlendMode.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/SkColorFilter.h"
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| #include "include/core/SkMaskFilter.h"
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| #include "include/core/SkMatrix.h"
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| #include "include/core/SkPaint.h"
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| #include "include/core/SkPoint.h"
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| #include "include/core/SkRRect.h"
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| #include "include/core/SkRect.h"
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| #include "include/core/SkRefCnt.h"
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| #include "include/core/SkScalar.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/core/SkTypes.h"
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| #include "include/effects/SkGradientShader.h"
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| #include "src/core/SkBlurMask.h"
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| 
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| /*
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|  * Spits out an arbitrary gradient to test blur with shader on paint
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|  */
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| static sk_sp<SkShader> MakeRadial() {
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|     SkPoint pts[2] = {
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|         { 0, 0 },
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|         { SkIntToScalar(100), SkIntToScalar(100) }
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|     };
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|     SkTileMode tm = SkTileMode::kClamp;
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|     const SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, };
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|     const SkScalar pos[] = { SK_Scalar1/4, SK_Scalar1*3/4 };
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|     SkMatrix scale;
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|     scale.setScale(0.5f, 0.5f);
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|     scale.postTranslate(5.f, 5.f);
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|     SkPoint center0, center1;
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|     center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
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|                 SkScalarAve(pts[0].fY, pts[1].fY));
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|     center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
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|                 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
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|     return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX) / 7,
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|                                                  center0, (pts[1].fX - pts[0].fX) / 2,
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|                                                  colors, pos, SK_ARRAY_COUNT(colors), tm,
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|                                                  0, &scale);
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| }
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| 
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| // Simpler blurred RR test cases where all the radii are the same.
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| class SimpleBlurRoundRectGM : public skiagm::GM {
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|     SkString onShortName() override { return SkString("simpleblurroundrect"); }
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| 
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|     SkISize onISize() override { return {1000, 500}; }
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| 
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|     bool runAsBench() const override { return true; }
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| 
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|     void onDraw(SkCanvas* canvas) override {
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|         canvas->scale(1.5f, 1.5f);
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|         canvas->translate(50,50);
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| 
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|         const float blurRadii[] = { 1,5,10,20 };
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|         const int cornerRadii[] = { 1,5,10,20 };
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|         const SkRect r = SkRect::MakeWH(SkIntToScalar(25), SkIntToScalar(25));
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|         for (size_t i = 0; i < SK_ARRAY_COUNT(blurRadii); ++i) {
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|             SkAutoCanvasRestore autoRestore(canvas, true);
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|             canvas->translate(0, (r.height() + SkIntToScalar(50)) * i);
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|             for (size_t j = 0; j < SK_ARRAY_COUNT(cornerRadii); ++j) {
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|                 for (int k = 0; k <= 1; k++) {
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|                     SkPaint paint;
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|                     paint.setColor(SK_ColorBLACK);
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|                     paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle,
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|                                    SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(blurRadii[i]))));
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| 
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|                     bool useRadial = SkToBool(k);
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|                     if (useRadial) {
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|                         paint.setShader(MakeRadial());
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|                     }
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| 
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|                     SkRRect rrect;
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|                     rrect.setRectXY(r, SkIntToScalar(cornerRadii[j]),
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|                                     SkIntToScalar(cornerRadii[j]));
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|                     canvas->drawRRect(rrect, paint);
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|                     canvas->translate(r.width() + SkIntToScalar(50), 0);
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|                 }
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|             }
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|         }
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|     }
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| };
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| 
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| // Create one with dimensions/rounded corners based on the skp
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| //
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| // TODO(scroggo): Disabled in an attempt to rememdy
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| // https://code.google.com/p/skia/issues/detail?id=1801 ('Win7 Test bots all failing GenerateGMs:
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| // ran wrong number of tests')
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| //DEF_GM(return new BlurRoundRectGM(600, 5514, 6);)
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| 
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| DEF_GM(return new SimpleBlurRoundRectGM();)
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| 
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| // From crbug.com/1138810
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| DEF_SIMPLE_GM(blur_large_rrects, canvas, 300, 300) {
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|     SkPaint paint;
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|     paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 20.f));
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| 
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|     auto rect = SkRect::MakeLTRB(5.f, -20000.f, 240.f,  25.f);
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|     SkRRect rrect = SkRRect::MakeRectXY(rect, 40.f, 40.f);
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|     for (int i = 0; i < 4; ++i) {
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|         SkColor4f color{(i & 1) ? 1.f : 0.f,
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|                         (i & 2) ? 1.f : 0.f,
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|                         (i < 2) ? 1.f : 0.f,
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|                         1.f};
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|         paint.setColor(color);
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|         canvas->drawRRect(rrect, paint);
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|         canvas->rotate(90.f, 150.f, 150.f);
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|     }
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| }
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