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-rw-r--r--gm/points.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/gm/points.cpp b/gm/points.cpp
new file mode 100644
index 0000000..48d8fec
--- /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);
+
+}
+