1 files changed, 157 insertions, 0 deletions
diff --git a/samplecode/SamplePicture.cpp b/samplecode/SamplePicture.cpp
new file mode 100644
index 0000000..dfc1555
--- /dev/null
+++ b/samplecode/SamplePicture.cpp
@@ -0,0 +1,157 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "Sk64.h"
+#include "SkGradientShader.h"
+#include "SkGraphics.h"
+#include "SkImageDecoder.h"
+#include "SkKernel33MaskFilter.h"
+#include "SkPath.h"
+#include "SkPicture.h"
+#include "SkRandom.h"
+#include "SkRegion.h"
+#include "SkShader.h"
+#include "SkUtils.h"
+#include "SkColorPriv.h"
+#include "SkColorFilter.h"
+#include "SkTime.h"
+#include "SkTypeface.h"
+#include "SkXfermode.h"
+
+#include "SkStream.h"
+#include "SkXMLParser.h"
+
+static void drawCircle(SkCanvas* canvas, int r, SkColor color) {
+    SkPaint paint;
+    paint.setAntiAlias(true);
+    paint.setColor(color);
+
+    canvas->drawCircle(SkIntToScalar(r), SkIntToScalar(r), SkIntToScalar(r),
+                       paint);
+}
+
+class PictureView : public SkView {
+public:
+	PictureView() {
+        fPicture = new SkPicture;
+        SkCanvas* canvas = fPicture->beginRecording(100, 100);
+        SkPaint paint;
+        paint.setAntiAlias(true);
+        
+        drawCircle(canvas, 50, SK_ColorBLACK);
+        fSubPicture = new SkPicture;
+        canvas->drawPicture(*fSubPicture);
+        canvas->translate(SkIntToScalar(50), 0);
+        canvas->drawPicture(*fSubPicture);
+        canvas->translate(0, SkIntToScalar(50));
+        canvas->drawPicture(*fSubPicture);
+        canvas->translate(SkIntToScalar(-50), 0);
+        canvas->drawPicture(*fSubPicture);
+        // fPicture now has (4) references to us. We can release ours, and just
+        // unref fPicture in our destructor, and it will in turn take care of
+        // the other references to fSubPicture
+        fSubPicture->unref();
+    }
+    
+    virtual ~PictureView() {
+        fPicture->unref();
+    }
+    
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "Picture");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+
+    void drawBG(SkCanvas* canvas) {
+//        canvas->drawColor(0xFFDDDDDD);
+        canvas->drawColor(SK_ColorWHITE);
+   //     canvas->drawColor(SK_ColorBLACK);
+    }
+    
+    void drawSomething(SkCanvas* canvas) {
+        SkPaint paint;
+        
+        paint.setAntiAlias(true);
+    
+        paint.setColor(SK_ColorRED);
+        canvas->drawCircle(SkIntToScalar(50), SkIntToScalar(50),
+                           SkIntToScalar(40), paint);
+        paint.setColor(SK_ColorBLACK);
+        paint.setTextSize(SkIntToScalar(40));
+        canvas->drawText("Picture", 7, SkIntToScalar(50), SkIntToScalar(62),
+                         paint);
+    }
+
+    virtual void onDraw(SkCanvas* canvas) {
+        this->drawBG(canvas);
+
+        drawSomething(canvas);
+        
+        SkPicture* pict = new SkPicture;
+        SkAutoUnref aur(pict);
+
+        drawSomething(pict->beginRecording(100, 100));
+        pict->endRecording();
+        
+        canvas->save();
+        canvas->translate(SkIntToScalar(300), SkIntToScalar(50));
+        canvas->scale(-SK_Scalar1, -SK_Scalar1);
+        canvas->translate(-SkIntToScalar(100), -SkIntToScalar(50));
+        canvas->drawPicture(*pict);
+        canvas->restore();
+
+        canvas->save();
+        canvas->translate(SkIntToScalar(200), SkIntToScalar(150));
+        canvas->scale(SK_Scalar1, -SK_Scalar1);
+        canvas->translate(0, -SkIntToScalar(50));
+        canvas->drawPicture(*pict);
+        canvas->restore();
+        
+        canvas->save();
+        canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
+        canvas->scale(-SK_Scalar1, SK_Scalar1);
+        canvas->translate(-SkIntToScalar(100), 0);
+        canvas->drawPicture(*pict);
+        canvas->restore();
+        
+        // test that we can re-record a subpicture, and see the results
+        
+        canvas->translate(SkIntToScalar(10), SkIntToScalar(250));
+        drawCircle(fSubPicture->beginRecording(50, 50), 25,
+                   fRand.nextU() | 0xFF000000);
+        canvas->drawPicture(*fPicture);
+        delayInval(500);
+    }
+    
+private:
+    #define INVAL_ALL_TYPE  "inval-all"
+    
+    void delayInval(SkMSec delay) {
+        (new SkEvent(INVAL_ALL_TYPE))->post(this->getSinkID(), delay);
+    }
+    
+    virtual bool onEvent(const SkEvent& evt) {
+        if (evt.isType(INVAL_ALL_TYPE)) {
+            this->inval(NULL);
+            return true;
+        }
+        return this->INHERITED::onEvent(evt);
+    }
+
+    SkPicture*  fPicture;
+    SkPicture*  fSubPicture;
+    SkRandom    fRand;
+
+    typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new PictureView; }
+static SkViewRegister reg(MyFactory);
+