grab from latest android

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

1 files changed, 122 insertions, 0 deletions

diff --git a/samplecode/SamplePoints.cpp b/samplecode/SamplePoints.cpp
new file mode 100644
index 0000000000..2c19658355
--- /dev/null
+++ b/samplecode/SamplePoints.cpp
@@ -0,0 +1,122 @@
+#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 "SkRandom.h"
+#include "SkRegion.h"
+#include "SkShader.h"
+#include "SkUtils.h"
+#include "SkShaderExtras.h"
+#include "SkColorPriv.h"
+#include "SkColorFilter.h"
+#include "SkTime.h"
+#include "SkTypeface.h"
+#include "SkXfermode.h"
+
+#include "SkStream.h"
+#include "SkXMLParser.h"
+
+static SkRandom gRand;
+
+static const struct {
+    const char* fName;
+    uint32_t    fFlags;
+    bool        fFlushCache;
+} gHints[] = {
+    { "Linear", SkPaint::kLinearText_Flag,     false },
+    { "Normal",   0,                           true },
+    { "Subpixel", SkPaint::kSubpixelText_Flag, true }
+};
+
+#ifdef SK_DEBUG
+    #define REPEAT_COUNT    1
+#else
+    #define REPEAT_COUNT    5000
+#endif
+
+class PointsView : public SkView {
+    bool fAA;
+public:
+	PointsView() : fAA(false) {}
+    
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt)
+    {
+        if (SampleCode::TitleQ(*evt))
+        {
+            SampleCode::TitleR(evt, "Points");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+
+    void drawBG(SkCanvas* canvas)
+    {
+//        canvas->drawColor(0xFFDDDDDD);
+        canvas->drawColor(SK_ColorWHITE);
+   //     canvas->drawColor(SK_ColorBLACK);
+    }
+    
+    static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand)
+    {
+        for (size_t i = 0; i < n; i++)
+            pts[i].set(rand->nextUScalar1() * 640, rand->nextUScalar1() * 480);
+    }
+    
+    virtual void onDraw(SkCanvas* canvas)
+    {
+        this->drawBG(canvas);
+        
+        canvas->translate(SK_Scalar1, SK_Scalar1);
+        
+        SkRandom rand;
+        SkPaint  p0, p1, p2, p3;
+        const size_t n = 99;
+        const int TIMES = 1;
+        
+        p0.setColor(SK_ColorRED);
+        p1.setColor(SK_ColorGREEN);
+        p2.setColor(SK_ColorBLUE);
+        p3.setColor(SK_ColorWHITE);
+        
+     //   fAA = !fAA;
+        
+        p0.setAntiAlias(fAA);
+        p1.setAntiAlias(fAA);
+        p2.setAntiAlias(fAA);
+        p3.setAntiAlias(fAA);
+        
+        p0.setStrokeWidth(SkIntToScalar(4));
+        p2.setStrokeWidth(SkIntToScalar(6));
+
+        SkPoint* pts = new SkPoint[n];
+        fill_pts(pts, n, &rand);
+
+//        SkMSec now = SkTime::GetMSecs();
+        for (int times = 0; times < TIMES; times++)
+        {
+            canvas->drawPoints(SkCanvas::kPolygon_PointMode, n, pts, p0);
+            canvas->drawPoints(SkCanvas::kLines_PointMode, n, pts, p1);
+            canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p2);
+            canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p3);
+        }
+  //      printf("----- msecs %d\n", SkTime::GetMSecs() - now);
+        delete[] pts;
+    }
+    
+private:
+
+    typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new PointsView; }
+static SkViewRegister reg(MyFactory);
+