Add 'P' to SampleApp to cycle through pixel geometries.

samplecode/SampleApp.h

 /*
  * Copyright 2011 Skia
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SampleApp_DEFINED
 #define SampleApp_DEFINED
 
@@ skipping 106 matching lines @@
 
     void draw(SkCanvas*) override;
 
     void setDeviceType(DeviceType type);
     void setDeviceColorType(SkColorType, SkColorProfileType);
     void toggleRendering();
     void toggleSlideshow();
     void toggleFPS();
     void showOverview();
     void toggleDistanceFieldFonts();
+    void setPixelGeometry(int pixelGeometryIndex);
 
     GrContext* getGrContext() const { return fDevManager->getGrContext(); }
 
     void setZoomCenter(float x, float y);
     void changeZoomLevel(float delta);
     void changeOffset(SkVector delta);
     bool nextSample();
     bool previousSample();
     bool goToSample(int i);
     SkString getSampleTitle(int i);
@@ skipping 62 matching lines @@
     int fMouseX, fMouseY;
     int fFatBitsScale;
     // Used by the text showing position and color values.
     SkTypeface* fTypeface;
     bool fShowZoomer;
 
     SkOSMenu::TriState fLCDState;
     SkOSMenu::TriState fAAState;
     SkOSMenu::TriState fSubpixelState;
     int fHintingState;
+    int fPixelGeometryIndex;
     int fFilterQualityIndex;
     unsigned   fFlipAxis;
 
     int fMSAASampleCount;
 
     SkScalar fZoomCenterX, fZoomCenterY;
 
     //Stores global settings
     SkOSMenu* fAppMenu; // We pass ownership to SkWindow, when we call addMenu
     //Stores slide specific settings
@@ skipping 12 matching lines @@
     void postAnimatingEvent();
     int findByTitle(const char*);
     void listTitles();
     SkSize tileSize() const;
     bool sendAnimatePulse();
 
     typedef SkOSWindow INHERITED;
 };
 
 #endif