73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
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/*
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* Copyright 2015 Google Inc.
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*
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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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#ifndef HelloWorld_DEFINED
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#define HelloWorld_DEFINED
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#include "SkSurface.h"
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#include "SkWindow.h"
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class GrContext;
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struct GrGLInterface;
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class GrRenderTarget;
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class SkCanvas;
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class HelloWorldWindow : public SkOSWindow {
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public:
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enum DeviceType {
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kRaster_DeviceType,
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kGPU_DeviceType,
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};
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HelloWorldWindow(void* hwnd);
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virtual ~HelloWorldWindow() SK_OVERRIDE;
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// Changes the device type of the object.
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bool setUpBackend();
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DeviceType getDeviceType() const { return fType; }
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protected:
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SkSurface* createSurface() SK_OVERRIDE {
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if (kGPU_DeviceType == fType) {
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SkSurfaceProps props(INHERITED::getSurfaceProps());
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return SkSurface::NewRenderTargetDirect(fRenderTarget, &props);
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}
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static const SkImageInfo info = SkImageInfo::MakeN32Premul(
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SkScalarRoundToInt(this->width()), SkScalarRoundToInt(this->height()));
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return fSurface = SkSurface::NewRaster(info);
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}
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void draw(SkCanvas* canvas) SK_OVERRIDE;
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void drawContents(SkCanvas* canvas);
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void onSizeChange() SK_OVERRIDE;
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private:
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bool findNextMatch(); // Set example to the first one that matches FLAGS_match.
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void setTitle();
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void setUpRenderTarget();
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bool onHandleChar(SkUnichar unichar) SK_OVERRIDE;
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void tearDownBackend();
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// draw contents
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SkScalar fRotationAngle;
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// support framework
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DeviceType fType;
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SkSurface* fSurface;
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GrContext* fContext;
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GrRenderTarget* fRenderTarget;
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AttachmentInfo fAttachmentInfo;
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const GrGLInterface* fInterface;
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typedef SkOSWindow INHERITED;
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};
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#endif
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