grab from latest android
git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SamplePath.cpp b/samplecode/SamplePath.cpp
new file mode 100644
index 0000000..04d006a
--- /dev/null
+++ b/samplecode/SamplePath.cpp
@@ -0,0 +1,164 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkGradientShader.h"
+#include "SkGraphics.h"
+#include "SkImageDecoder.h"
+#include "SkPath.h"
+#include "SkPorterDuff.h"
+#include "SkRegion.h"
+#include "SkShader.h"
+#include "SkUtils.h"
+#include "SkXfermode.h"
+#include "SkShaderExtras.h"
+#include "SkColorPriv.h"
+#include "SkColorFilter.h"
+#include "SkTime.h"
+#include "SkTypeface.h"
+
+class PathView : public SkView {
+public:
+ int fDStroke, fStroke, fMinStroke, fMaxStroke;
+ SkPath fPath[6];
+ bool fShowHairline;
+
+ PathView()
+ {
+ fShowHairline = false;
+
+ fDStroke = 1;
+ fStroke = 10;
+ fMinStroke = 10;
+ fMaxStroke = 180;
+
+ const int V = 85;
+
+ fPath[0].moveTo(SkIntToScalar(40), SkIntToScalar(70));
+ fPath[0].lineTo(SkIntToScalar(70), SkIntToScalar(70) + SK_Scalar1/1);
+ fPath[0].lineTo(SkIntToScalar(110), SkIntToScalar(70));
+
+ fPath[1].moveTo(SkIntToScalar(40), SkIntToScalar(70));
+ fPath[1].lineTo(SkIntToScalar(70), SkIntToScalar(70) - SK_Scalar1/1);
+ fPath[1].lineTo(SkIntToScalar(110), SkIntToScalar(70));
+
+ fPath[2].moveTo(SkIntToScalar(V), SkIntToScalar(V));
+ fPath[2].lineTo(SkIntToScalar(50), SkIntToScalar(V));
+ fPath[2].lineTo(SkIntToScalar(50), SkIntToScalar(50));
+
+ fPath[3].moveTo(SkIntToScalar(50), SkIntToScalar(50));
+ fPath[3].lineTo(SkIntToScalar(50), SkIntToScalar(V));
+ fPath[3].lineTo(SkIntToScalar(V), SkIntToScalar(V));
+
+ fPath[4].moveTo(SkIntToScalar(50), SkIntToScalar(50));
+ fPath[4].lineTo(SkIntToScalar(50), SkIntToScalar(V));
+ fPath[4].lineTo(SkIntToScalar(52), SkIntToScalar(50));
+
+ fPath[5].moveTo(SkIntToScalar(52), SkIntToScalar(50));
+ fPath[5].lineTo(SkIntToScalar(50), SkIntToScalar(V));
+ fPath[5].lineTo(SkIntToScalar(50), SkIntToScalar(50));
+ }
+
+ virtual ~PathView()
+ {
+ }
+
+ void nextStroke()
+ {
+ fStroke += fDStroke;
+ if (fStroke > fMaxStroke || fStroke < fMinStroke)
+ fDStroke = -fDStroke;
+ }
+
+protected:
+ // overrides from SkEventSink
+ virtual bool onQuery(SkEvent* evt)
+ {
+ if (SampleCode::TitleQ(*evt))
+ {
+ SampleCode::TitleR(evt, "Paths");
+ return true;
+ }
+ return this->INHERITED::onQuery(evt);
+ }
+
+ void drawBG(SkCanvas* canvas)
+ {
+ canvas->drawColor(0xFFDDDDDD);
+// canvas->drawColor(SK_ColorWHITE);
+ }
+
+ void drawPath(SkCanvas* canvas, const SkPath& path, SkPaint::Join j)
+ {
+ SkPaint paint;
+
+ paint.setAntiAlias(true);
+ paint.setStyle(SkPaint::kStroke_Style);
+ paint.setStrokeJoin(j);
+ paint.setStrokeWidth(SkIntToScalar(fStroke));
+
+ if (fShowHairline)
+ {
+ SkPath fill;
+
+ paint.getFillPath(path, &fill);
+ paint.setStrokeWidth(0);
+ canvas->drawPath(fill, paint);
+ }
+ else
+ canvas->drawPath(path, paint);
+
+ paint.setColor(SK_ColorRED);
+ paint.setStrokeWidth(0);
+ canvas->drawPath(path, paint);
+ }
+
+ virtual void onDraw(SkCanvas* canvas)
+ {
+ this->drawBG(canvas);
+
+ canvas->translate(SkIntToScalar(50), SkIntToScalar(50));
+
+ static const SkPaint::Join gJoins[] = {
+ SkPaint::kBevel_Join,
+ SkPaint::kMiter_Join,
+ SkPaint::kRound_Join
+ };
+
+ for (int i = 0; i < SK_ARRAY_COUNT(gJoins); i++)
+ {
+ canvas->save();
+ for (int j = 0; j < SK_ARRAY_COUNT(fPath); j++)
+ {
+ this->drawPath(canvas, fPath[j], gJoins[i]);
+ canvas->translate(SkIntToScalar(200), 0);
+ }
+ canvas->restore();
+
+ canvas->translate(0, SkIntToScalar(200));
+ }
+
+ this->nextStroke();
+ this->inval(NULL);
+ }
+
+ virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y)
+ {
+ fShowHairline = !fShowHairline;
+ this->inval(NULL);
+ return this->INHERITED::onFindClickHandler(x, y);
+ }
+
+ virtual bool onClick(Click* click)
+ {
+ return this->INHERITED::onClick(click);
+ }
+
+private:
+ typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new PathView; }
+static SkViewRegister reg(MyFactory);
+