add test for points

git-svn-id: http://skia.googlecode.com/svn/trunk@806 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 67 insertions, 0 deletions

diff --git a/gm/points.cpp b/gm/points.cpp
new file mode 100644
index 0000000000..48d8fec2b4
--- /dev/null
+++ b/gm/points.cpp
@@ -0,0 +1,67 @@
+#include "gm.h"
+#include "SkRandom.h"
+
+namespace skiagm {
+
+class PointsGM : public GM {
+public:
+	PointsGM() {}
+
+protected:
+    virtual SkString onShortName() {
+        return SkString("points");
+    }
+
+	virtual SkISize onISize() {
+        return make_isize(640, 490);
+    }
+
+    void drawBG(SkCanvas* canvas) {
+        canvas->drawColor(SK_ColorWHITE);
+    }
+
+    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;
+
+        p0.setColor(SK_ColorRED);
+        p1.setColor(SK_ColorGREEN);
+        p2.setColor(SK_ColorBLUE);
+        p3.setColor(SK_ColorWHITE);
+
+        p0.setStrokeWidth(SkIntToScalar(4));
+        p2.setStrokeCap(SkPaint::kRound_Cap);
+        p2.setStrokeWidth(SkIntToScalar(6));
+
+        SkPoint* pts = new SkPoint[n];
+        fill_pts(pts, n, &rand);
+
+        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);
+
+        delete[] pts;
+    }
+
+private:
+    typedef GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new PointsGM; }
+static GMRegistry reg(MyFactory);
+
+}
+