grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleBitmapRect.cpp b/samplecode/SampleBitmapRect.cpp
new file mode 100644
index 0000000..5919084
--- /dev/null
+++ b/samplecode/SampleBitmapRect.cpp
@@ -0,0 +1,111 @@
+#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 "SkShaderExtras.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);
+