auto import from //branches/cupcake/...@125939

1 files changed, 110 insertions, 0 deletions

diff --git a/samplecode/SampleBitmapRect.cpp b/samplecode/SampleBitmapRect.cpp
new file mode 100644
index 0000000..f164e06
--- /dev/null
+++ b/samplecode/SampleBitmapRect.cpp
@@ -0,0 +1,110 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkGradientShader.h"
+#include "SkGraphics.h"
+#include "SkImageDecoder.h"
+#include "SkPath.h"
+#include "SkPorterDuff.h"
+#include "SkRegion.h"
+#include "SkShader.h"
+#include "SkUtils.h"
+#include "SkXfermode.h"
+#include "SkColorPriv.h"
+#include "SkColorFilter.h"
+#include "SkTime.h"
+#include "SkTypeface.h"
+
+#include "SkImageRef.h"
+#include "SkOSFile.h"
+#include "SkStream.h"
+
+#define SPECIFIC_IMAGE  "/skimages/main.gif"
+
+class BitmapRectView : public SkView {
+public:
+    SkBitmap fBitmap;
+    int      fCurrX, fCurrY;
+
+	BitmapRectView() {
+        SkImageDecoder::DecodeFile(SPECIFIC_IMAGE, &fBitmap);
+        fCurrX = fCurrY = 0;
+    }
+    
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt)
+    {
+        if (SampleCode::TitleQ(*evt))
+        {
+            SkString str("BitmapRect: ");
+            str.append(SPECIFIC_IMAGE);
+            SampleCode::TitleR(evt, str.c_str());
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+    
+    void drawBG(SkCanvas* canvas)
+    {
+        canvas->drawColor(SK_ColorGRAY);
+    }
+    
+    virtual void onDraw(SkCanvas* canvas)
+    {
+        this->drawBG(canvas);
+        
+        canvas->drawBitmap(fBitmap, 0, 0, NULL);
+        
+        SkIRect subset;
+        const int SRC_WIDTH = 16;
+        const int SRC_HEIGHT = 16;
+        
+        subset.set(0, 0, SRC_WIDTH, SRC_HEIGHT);
+        subset.offset(fCurrX, fCurrY);
+        
+        SkDebugf("---- src x=%d y=%d\n", subset.fLeft, subset.fTop);
+        
+        SkRect  dst0, dst1;
+        SkScalar y = SkIntToScalar(fBitmap.height() + 16);
+        
+        dst0.set(SkIntToScalar(50), y,
+                 SkIntToScalar(50+SRC_WIDTH),
+                 y + SkIntToScalar(SRC_HEIGHT));
+        dst1 = dst0;
+        dst1.offset(SkIntToScalar(200), 0);
+        dst1.fRight = dst1.fLeft + 8 * dst0.width();
+        dst1.fBottom = dst1.fTop + 8 * dst0.height();
+        
+        canvas->drawBitmapRect(fBitmap, &subset, dst0, NULL);
+        canvas->drawBitmapRect(fBitmap, &subset, dst1, NULL);
+        
+        SkPaint paint;
+        paint.setColor(0x88FF0000);
+        canvas->drawRect(dst0, paint);
+        paint.setColor(0x880000FF);
+        canvas->drawRect(dst1, paint);
+    }
+    
+    virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) 
+    {
+        return new Click(this);
+    }
+    
+    virtual bool onClick(Click* click) 
+    {
+        fCurrX = click->fICurr.fX;
+        fCurrY = click->fICurr.fY;
+        this->inval(NULL);
+        return true;
+    }
+    
+private:
+    typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new BitmapRectView; }
+static SkViewRegister reg(MyFactory);
+