add golden master code for shapes

git-svn-id: http://skia.googlecode.com/svn/trunk@241 2bbb7eff-a529-9590-31e7-b0007b416f81

gm/shapes.cpp

@@ -0,0 +1,131 @@
+#include "gm.h"
+#include "SkPicture.h"
+#include "SkRectShape.h"
+#include "SkGroupShape.h"
+
+namespace skiagm {
+
+static SkRect make_rect(int l, int t, int r, int b) {
+    SkRect rect;
+    rect.set(SkIntToScalar(l), SkIntToScalar(t),
+             SkIntToScalar(r), SkIntToScalar(b));
+    return rect;
+}
+
+static SkShape* make_shape0(bool red) {
+    SkRectShape* s = new SkRectShape;
+    s->setRect(make_rect(10, 10, 90, 90));
+    if (red) {
+        s->paint().setColor(SK_ColorRED);
+    }
+    return s;
+}
+
+static SkShape* make_shape1() {
+    SkRectShape* s = new SkRectShape;
+    s->setOval(make_rect(10, 10, 90, 90));
+    s->paint().setColor(SK_ColorBLUE);
+    return s;
+}
+
+static SkShape* make_shape2() {
+    SkRectShape* s = new SkRectShape;
+    s->setRRect(make_rect(10, 10, 90, 90),
+                SkIntToScalar(20), SkIntToScalar(20));
+    s->paint().setColor(SK_ColorGREEN);
+    return s;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+class ShapesGM : public GM {
+    SkGroupShape fGroup;
+    SkMatrixRef*    fMatrixRefs[4];
+public:
+	ShapesGM() {
+        SkMatrix m;
+        fGroup.appendShape(make_shape0(false))->unref();
+        m.setRotate(SkIntToScalar(30), SkIntToScalar(50), SkIntToScalar(50));
+        m.postTranslate(0, SkIntToScalar(120));
+        fGroup.appendShape(make_shape0(true), m)->unref();
+
+        m.setTranslate(SkIntToScalar(120), 0);
+        fGroup.appendShape(make_shape1(), m)->unref();
+        m.postTranslate(0, SkIntToScalar(120));
+        fGroup.appendShape(make_shape2(), m)->unref();
+        
+        for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrixRefs); i++) {
+            SkSafeRef(fMatrixRefs[i] = fGroup.getShapeMatrixRef(i));
+        }
+        
+        fAngle = 0;
+    }
+    
+    virtual ~ShapesGM() {
+        for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrixRefs); i++) {
+            SkSafeUnref(fMatrixRefs[i]);
+        }
+    }
+    
+protected:
+    virtual SkString onShortName() {
+        return SkString("shapes");
+    }
+    
+	virtual SkISize onISize() {
+        return make_isize(380, 480);
+    }
+    
+    void drawBG(SkCanvas* canvas) {
+        canvas->drawColor(0xFFDDDDDD);
+    }
+    
+    int fAngle;
+    
+    virtual void onDraw(SkCanvas* canvas) {
+        this->drawBG(canvas);
+        
+        SkMatrix saveM = *fMatrixRefs[3];
+        fAngle = (fAngle + 5) % 360;
+        SkScalar c = SkIntToScalar(50);
+        fMatrixRefs[3]->preRotate(SkIntToScalar(fAngle), c, c);
+        
+        SkMatrix matrix;
+     
+        SkGroupShape* gs = new SkGroupShape;
+        SkAutoUnref aur(gs);
+        gs->appendShape(&fGroup);
+        matrix.setScale(-SK_Scalar1, SK_Scalar1);
+        matrix.postTranslate(SkIntToScalar(220), SkIntToScalar(240));
+        gs->appendShape(&fGroup, matrix);
+        matrix.setTranslate(SkIntToScalar(240), 0);
+        matrix.preScale(SK_Scalar1*2, SK_Scalar1*2);
+        gs->appendShape(&fGroup, matrix);
+        
+#if 0        
+        canvas->drawShape(gs);
+#else
+        SkPicture pict;
+        SkCanvas* cv = pict.beginRecording(1000, 1000);
+        cv->scale(SK_ScalarHalf, SK_ScalarHalf);
+        cv->drawShape(gs);
+        cv->translate(SkIntToScalar(680), SkIntToScalar(480));
+        cv->scale(-SK_Scalar1, SK_Scalar1);
+        cv->drawShape(gs);
+        pict.endRecording();
+        canvas->drawPicture(pict);
+#endif
+
+        *fMatrixRefs[3] = saveM;
+}
+    
+private:
+    typedef GM INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new ShapesGM; }
+static GMRegistry reg(MyFactory);
+
+}