82 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Copyright 2015 Google Inc.
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|  *
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|  * Use of this source code is governed by a BD-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/SkCanvas.h"
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| #include "include/core/SkFont.h"
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| #include "include/core/SkImageInfo.h"
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| #include "include/core/SkPaint.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/SkSize.h"
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| #include "include/core/SkString.h"
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| #include "include/core/SkSurface.h"
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| #include "include/core/SkSurfaceProps.h"
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| #include "include/core/SkTextBlob.h"
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| #include "include/core/SkTypeface.h"
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| #include "tools/ToolUtils.h"
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| 
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| // This tests that we don't try to reuse textblobs from the GPU textblob cache across pixel geometry
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| // changes when we have LCD.  crbug/486744
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| namespace skiagm {
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| class TextBlobGeometryChange : public GM {
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| public:
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|     TextBlobGeometryChange() { }
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| 
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| protected:
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|     SkString onShortName() override {
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|         return SkString("textblobgeometrychange");
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|     }
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| 
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|     SkISize onISize() override {
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|         return SkISize::Make(kWidth, kHeight);
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|     }
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| 
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|     void onDraw(SkCanvas* canvas) override {
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|         const char text[] = "Hamburgefons";
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| 
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|         SkFont font(ToolUtils::create_portable_typeface(), 20);
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|         font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
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| 
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|         SkTextBlobBuilder builder;
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| 
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|         ToolUtils::add_to_text_blob(&builder, text, font, 10, 10);
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| 
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|         sk_sp<SkTextBlob> blob(builder.make());
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| 
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|         SkImageInfo info = SkImageInfo::MakeN32Premul(200, 200);
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|         SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
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|         auto           surface = ToolUtils::makeSurface(canvas, info, &props);
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|         SkCanvas* c = surface->getCanvas();
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| 
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|         // LCD text on white background
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|         SkRect rect = SkRect::MakeLTRB(0.f, 0.f, SkIntToScalar(kWidth), kHeight / 2.f);
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|         SkPaint rectPaint;
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|         rectPaint.setColor(0xffffffff);
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|         canvas->drawRect(rect, rectPaint);
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|         canvas->drawTextBlob(blob, 10, 50, SkPaint());
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| 
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|         // This should not look garbled since we should disable LCD text in this case
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|         // (i.e., unknown pixel geometry)
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|         c->clear(0x00ffffff);
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|         c->drawTextBlob(blob, 10, 150, SkPaint());
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|         surface->draw(canvas, 0, 0);
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|     }
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| 
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| private:
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|     inline static constexpr int kWidth = 200;
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|     inline static constexpr int kHeight = 200;
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| 
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|     using INHERITED = GM;
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| };
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| 
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| //////////////////////////////////////////////////////////////////////////////
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| 
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| DEF_GM(return new TextBlobGeometryChange;)
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| }  // namespace skiagm
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