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-rw-r--r--samplecode/SamplePoints.cpp121
1 files changed, 121 insertions, 0 deletions
diff --git a/samplecode/SamplePoints.cpp b/samplecode/SamplePoints.cpp
new file mode 100644
index 0000000..7dc98f3
--- /dev/null
+++ b/samplecode/SamplePoints.cpp
@@ -0,0 +1,121 @@
+#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 "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);
+