2c8208f3a4
Reviewed at http://codereview.appspot.com/4587042/ Android - Added buttons for interaction without a keyboard. - Added the ability to zoom in to a specific point (roughly). - Added event handling (for showing a slideshow, for example). - Allow changing screen orientation - Updated README file, explaining how to build Multiplatform changes - Added SampleApp header file - Remove FPS when turning off measure FPS mode git-svn-id: http://skia.googlecode.com/svn/trunk@1596 2bbb7eff-a529-9590-31e7-b0007b416f81
146 lines
3.5 KiB
C++
146 lines
3.5 KiB
C++
/*
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* Copyright (C) 2011 Skia
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SampleWindow_DEFINED
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#define SampleWindow_DEFINED
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#include "SkWindow.h"
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#include "SampleCode.h"
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#include "SkPath.h"
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#include "SkScalar.h"
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#include "SkTDArray.h"
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#include "SkTouchGesture.h"
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#include "SkWindow.h"
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class GrContext;
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class SkEvent;
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class SkCanvas;
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class SkGpuCanvas;
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class SkPicture;
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class SkTypeface;
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enum SkTriState {
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kFalse_SkTriState,
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kTrue_SkTriState,
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kUnknown_SkTriState,
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};
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class SampleWindow : public SkOSWindow {
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SkTDArray<SkViewFactory> fSamples;
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public:
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SampleWindow(void* hwnd);
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virtual ~SampleWindow();
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virtual void draw(SkCanvas* canvas);
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void toggleRendering();
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void toggleSlideshow();
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void toggleFPS();
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bool drawsToHardware() { return fCanvasType == kGPU_CanvasType; }
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bool setGrContext(GrContext*);
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GrContext* getGrContext();
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void setZoomCenter(float x, float y);
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void changeZoomLevel(float delta);
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bool nextSample();
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bool previousSample();
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protected:
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virtual void onDraw(SkCanvas* canvas);
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virtual bool onHandleKey(SkKey key);
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virtual bool onHandleChar(SkUnichar);
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virtual void onSizeChange();
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virtual SkCanvas* beforeChildren(SkCanvas*);
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virtual void afterChildren(SkCanvas*);
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virtual void beforeChild(SkView* child, SkCanvas* canvas);
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virtual void afterChild(SkView* child, SkCanvas* canvas);
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virtual bool onEvent(const SkEvent& evt);
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virtual bool onQuery(SkEvent* evt);
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virtual bool onDispatchClick(int x, int y, Click::State);
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virtual bool onClick(Click* click);
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virtual Click* onFindClickHandler(SkScalar x, SkScalar y);
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private:
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int fCurrIndex;
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SkPicture* fPicture;
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SkGpuCanvas* fGpuCanvas;
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GrContext* fGrContext;
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SkPath fClipPath;
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SkTouchGesture fGesture;
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SkScalar fZoomLevel;
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SkScalar fZoomScale;
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enum CanvasType {
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kRaster_CanvasType,
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kPicture_CanvasType,
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kGPU_CanvasType
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};
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CanvasType fCanvasType;
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bool fUseClip;
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bool fNClip;
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bool fRepeatDrawing;
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bool fAnimating;
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bool fRotate;
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bool fScale;
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bool fRequestGrabImage;
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bool fUsePipe;
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bool fMeasureFPS;
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SkMSec fMeasureFPS_Time;
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// The following are for the 'fatbits' drawing
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// Latest position of the mouse.
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int fMouseX, fMouseY;
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int fFatBitsScale;
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// Used by the text showing position and color values.
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SkTypeface* fTypeface;
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bool fShowZoomer;
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SkTriState fLCDState;
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SkTriState fAAState;
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SkTriState fFilterState;
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SkTriState fHintingState;
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unsigned fFlipAxis;
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int fScrollTestX, fScrollTestY;
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SkScalar fZoomCenterX, fZoomCenterY;
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bool make3DReady();
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void loadView(SkView*);
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void updateTitle();
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void toggleZoomer();
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bool zoomIn();
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bool zoomOut();
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void updatePointer(int x, int y);
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void showZoomer(SkCanvas* canvas);
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void postAnimatingEvent();
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static CanvasType cycle_canvastype(CanvasType);
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typedef SkOSWindow INHERITED;
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};
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#endif
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