grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 106 insertions, 0 deletions

diff --git a/samplecode/SampleCamera.cpp b/samplecode/SampleCamera.cpp
new file mode 100644
index 0000000000..9a8d1efc8a
--- /dev/null
+++ b/samplecode/SampleCamera.cpp
@@ -0,0 +1,106 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkCamera.h"
+#include "SkEmbossMaskFilter.h"
+#include "SkGradientShader.h"
+#include "SkPath.h"
+#include "SkRegion.h"
+#include "SkShader.h"
+#include "SkUtils.h"
+#include "SkRandom.h"
+
+class CameraView : public SkView {
+public:
+	CameraView()
+    {
+        fRX = fRY = fRZ = 0;
+    }
+    
+    virtual ~CameraView()
+    {
+    }
+
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt)
+    {
+        if (SampleCode::TitleQ(*evt))
+        {
+            SampleCode::TitleR(evt, "Camera");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+    
+    void drawBG(SkCanvas* canvas)
+    {
+        canvas->drawColor(0xFFDDDDDD);
+//        canvas->drawColor(0, SkPorterDuff::kClear_Mode);
+    }
+    
+    virtual void onDraw(SkCanvas* canvas)
+    {
+        this->drawBG(canvas);
+
+        canvas->translate(this->width()/2, this->height()/2);
+
+        Sk3DView    view;
+        view.rotateX(SkIntToScalar(fRX));
+        view.rotateY(SkIntToScalar(fRY));
+        view.applyToCanvas(canvas);
+        
+        SkPaint paint;
+        SkScalar rad = SkIntToScalar(50);
+        SkScalar dim = rad*2;
+
+        if (view.dotWithNormal(0, 0, SK_Scalar1) < 0) {
+            paint.setColor(SK_ColorRED);
+        }
+        
+        paint.setAntiAlias(true);
+
+#if 0
+        SkEmbossMaskFilter::Light light;
+        light.fDirection[0] = SK_Scalar1;
+        light.fDirection[1] = SK_Scalar1;
+        light.fDirection[2] = SK_Scalar1;
+        light.fAmbient = 180;
+        light.fSpecular = 16 * 2;
+        paint.setMaskFilter(new SkEmbossMaskFilter(light, SkIntToScalar(4)));
+#endif
+
+        canvas->drawCircle(0, 0, rad, paint);
+        canvas->drawCircle(-dim, -dim, rad, paint);
+        canvas->drawCircle(-dim,  dim, rad, paint);
+        canvas->drawCircle( dim, -dim, rad, paint);
+        canvas->drawCircle( dim,  dim, rad, paint);
+        
+        fRY += 1;
+        if (fRY >= 360)
+            fRY = 0;
+        this->inval(NULL);
+    }
+
+    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) 
+    {
+        SkScalar angle = SkScalarDiv(this->height()/2 - y, this->height());
+        fRX = SkScalarRound(angle * 180);
+        return this->INHERITED::onFindClickHandler(x, y);
+    }
+    
+    virtual bool onClick(Click* click) 
+    {
+        return this->INHERITED::onClick(click);
+    }
+    
+private:
+    int fRX, fRY, fRZ;
+    typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new CameraView; }
+static SkViewRegister reg(MyFactory);
+