add
git-svn-id: http://skia.googlecode.com/svn/trunk@1099 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SamplePathFill.cpp b/samplecode/SamplePathFill.cpp
new file mode 100644
index 0000000..d25917f
--- /dev/null
+++ b/samplecode/SamplePathFill.cpp
@@ -0,0 +1,145 @@
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkGraphics.h"
+#include "SkRandom.h"
+#include "SkBlurDrawLooper.h"
+#include "SkGradientShader.h"
+
+typedef SkScalar (*MakePathProc)(SkPath*);
+
+static SkScalar make_frame(SkPath* path) {
+ SkRect r = { 10, 10, 630, 470 };
+ path->addRoundRect(r, 15, 15);
+
+ SkPaint paint;
+ paint.setStyle(SkPaint::kStroke_Style);
+ paint.setStrokeWidth(5);
+ paint.getFillPath(*path, path);
+ return 15;
+}
+
+static SkScalar make_triangle(SkPath* path) {
+ static const int gCoord[] = {
+ 10, 20, 15, 5, 30, 30
+ };
+ path->moveTo(SkIntToScalar(gCoord[0]), SkIntToScalar(gCoord[1]));
+ path->lineTo(SkIntToScalar(gCoord[2]), SkIntToScalar(gCoord[3]));
+ path->lineTo(SkIntToScalar(gCoord[4]), SkIntToScalar(gCoord[5]));
+ path->close();
+ path->offset(10, 0);
+ return SkIntToScalar(30);
+}
+
+static SkScalar make_rect(SkPath* path) {
+ SkRect r = { 10, 10, 30, 30 };
+ path->addRect(r);
+ path->offset(10, 0);
+ return SkIntToScalar(30);
+}
+
+static SkScalar make_oval(SkPath* path) {
+ SkRect r = { 10, 10, 30, 30 };
+ path->addOval(r);
+ path->offset(10, 0);
+ return SkIntToScalar(30);
+}
+
+static SkScalar make_sawtooth(SkPath* path) {
+ SkScalar x = SkIntToScalar(20);
+ SkScalar y = SkIntToScalar(20);
+ const SkScalar x0 = x;
+ const SkScalar dx = SK_Scalar1 * 5;
+ const SkScalar dy = SK_Scalar1 * 10;
+
+ path->moveTo(x, y);
+ for (int i = 0; i < 32; i++) {
+ x += dx;
+ path->lineTo(x, y - dy);
+ x += dx;
+ path->lineTo(x, y + dy);
+ }
+ path->lineTo(x, y + 2 * dy);
+ path->lineTo(x0, y + 2 * dy);
+ path->close();
+ return SkIntToScalar(30);
+}
+
+static SkScalar make_star(SkPath* path, int n) {
+ const SkScalar c = SkIntToScalar(45);
+ const SkScalar r = SkIntToScalar(20);
+
+ SkScalar rad = -SK_ScalarPI / 2;
+ const SkScalar drad = (n >> 1) * SK_ScalarPI * 2 / n;
+
+ path->moveTo(c, c - r);
+ for (int i = 1; i < n; i++) {
+ rad += drad;
+ SkScalar cosV, sinV = SkScalarSinCos(rad, &cosV);
+ path->lineTo(c + SkScalarMul(cosV, r), c + SkScalarMul(sinV, r));
+ }
+ path->close();
+ return r * 2 * 6 / 5;
+}
+
+static SkScalar make_star_5(SkPath* path) { return make_star(path, 5); }
+static SkScalar make_star_13(SkPath* path) { return make_star(path, 13); }
+
+static const MakePathProc gProcs[] = {
+ make_frame,
+ make_triangle,
+ make_rect,
+ make_oval,
+ make_sawtooth,
+ make_star_5,
+ make_star_13
+};
+
+#define N SK_ARRAY_COUNT(gProcs)
+
+class PathFillView : public SkView {
+ SkPath fPath[N];
+ SkScalar fDY[N];
+
+public:
+ PathFillView() {
+ for (size_t i = 0; i < N; i++) {
+ fDY[i] = gProcs[i](&fPath[i]);
+ }
+ }
+
+protected:
+ // overrides from SkEventSink
+ virtual bool onQuery(SkEvent* evt) {
+ if (SampleCode::TitleQ(*evt)) {
+ SampleCode::TitleR(evt, "PathFill");
+ return true;
+ }
+ return this->INHERITED::onQuery(evt);
+ }
+
+ void drawBG(SkCanvas* canvas) {
+ canvas->drawColor(0xFFDDDDDD);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ this->drawBG(canvas);
+
+ SkPaint paint;
+ paint.setAntiAlias(true);
+
+ for (size_t i = 0; i < N; i++) {
+ canvas->drawPath(fPath[i], paint);
+ canvas->translate(0, fDY[i]);
+ }
+ }
+
+private:
+ typedef SkView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new PathFillView; }
+static SkViewRegister reg(MyFactory);
+