grab from latest android

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

1 files changed, 63 insertions, 0 deletions

diff --git a/samplecode/SampleNinePatch.cpp b/samplecode/SampleNinePatch.cpp
new file mode 100644
index 0000000000..5c075b52e1
--- /dev/null
+++ b/samplecode/SampleNinePatch.cpp
@@ -0,0 +1,63 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkImageDecoder.h"
+#include "SkNinePatch.h"
+#include "SkPaint.h"
+#include "SkUnPreMultiply.h"
+
+class NinePatchView : public SkView {
+public:
+    SkBitmap fBM;
+
+	NinePatchView() {
+        SkImageDecoder::DecodeFile("/skimages/folder_background.9.png", &fBM);
+    }
+
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "NinePatch");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+    
+    void drawBG(SkCanvas* canvas) {
+        canvas->drawColor(SK_ColorWHITE);
+        
+        canvas->drawBitmap(fBM, 0, 0);
+        
+        SkIRect margins;
+        SkRect  dst;
+        int d = 25;
+        
+        margins.set(d, d, d, d);
+        dst.set(0, 0, SkIntToScalar(200), SkIntToScalar(200));
+        dst.offset(SkIntToScalar(fBM.width()), 0);
+        dst.offset(SkIntToScalar(2), SkIntToScalar(2));
+        
+        SkNinePatch::DrawNine(canvas, dst, fBM, margins);
+        
+        int cx = fBM.width()/2;
+        int cy = fBM.height()/2;
+        SkPMColor pm = *fBM.getAddr32(cx, cy);
+        SkColor c = SkUnPreMultiply::PMColorToColor(pm);
+        SkColor pm2 = SkPreMultiplyColor(c);
+        //SkDebugf("--- pm %x c %x pm2 %x\n", pm, c, pm2);
+    }
+    
+    virtual void onDraw(SkCanvas* canvas) {
+        this->drawBG(canvas);
+    }
+    
+private:
+    typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new NinePatchView; }
+static SkViewRegister reg(MyFactory);
+