Added 3 new sample tests. http://codereview.appspot.com/4527092/
git-svn-id: http://skia.googlecode.com/svn/trunk@1464 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleAnimatedGradient.cpp b/samplecode/SampleAnimatedGradient.cpp
new file mode 100644
index 0000000..a7b2a46
--- /dev/null
+++ b/samplecode/SampleAnimatedGradient.cpp
@@ -0,0 +1,90 @@
+#include "SampleCode.h"
+#include "SkCanvas.h"
+#include "SkGradientShader.h"
+
+class GradientView : public SampleView {
+public:
+ GradientView() {
+ this->setBGColor(0xFFDDDDDD);
+ }
+
+protected:
+ struct GradData {
+ int fCount;
+ const SkColor* fColors;
+ const SkScalar* fPos;
+ };
+ // overrides from SkEventSink
+ virtual bool onQuery(SkEvent* evt) {
+ if (SampleCode::TitleQ(*evt)) {
+ SampleCode::TitleR(evt, "Gradients");
+ return true;
+ }
+ return this->INHERITED::onQuery(evt);
+ }
+ virtual void onDrawContent(SkCanvas* canvas) {
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ paint.setStyle(SkPaint::kStroke_Style);
+ paint.setStrokeWidth(SkScalarHalf(SkIntToScalar(3)));
+ paint.setStyle(SkPaint::kFill_Style);
+
+ SkPoint p = SkPoint::Make(0,0);
+ SkPoint q = SkPoint::Make(100,100);
+ SkPoint pts[] = {p, q};
+
+ SkScalar t, temp, x, y;
+ SkColor gColors[] = {
+ SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK
+ };
+ t = SampleCode::GetAnimScalar(SkIntToScalar(2), SkIntToScalar(20));
+ temp = SampleCode::GetAnimScalar(SkIntToScalar(1), SkIntToScalar(8));
+ SkScalar step = SK_ScalarPI / (10);
+ SkScalar angle = t * step;
+ x = SkScalarSinCos(angle, &y);
+ SkScalar colorPositions[] = { 0, 0.1 + x, 0.4 + y, 0.9 - x + y, 1.0};
+ GradData data = { 5, gColors, colorPositions };
+
+
+ SkRect r = { 0, 0, SkIntToScalar(200), SkIntToScalar(200) };
+ SkShader* shader1 = SkGradientShader::CreateLinear(
+ pts, data.fColors, data.fPos,data.fCount,
+ SkShader::kMirror_TileMode);
+ paint.setShader(shader1)->unref();
+
+ canvas->drawRect(r, paint);
+
+
+ SkPoint s = SkPoint::Make(100,100);
+ SkShader* shader2 = SkGradientShader::CreateRadial(
+ s, 100, data.fColors, data.fPos, data.fCount,
+ SkShader::kMirror_TileMode);
+ paint.setShader(shader2)->unref();
+ canvas->translate(250, 0);
+ canvas->drawRect(r, paint);
+
+ SkShader* shader3 = SkGradientShader::CreateTwoPointRadial(
+ p, 0, q, 100, data.fColors, data.fPos, data.fCount,
+ SkShader::kMirror_TileMode);
+ paint.setShader(shader3)->unref();
+ canvas->translate(0, 250);
+ canvas->drawRect(r, paint);
+
+ SkShader* shader4 = SkGradientShader::CreateSweep(
+ 100, 100, data.fColors, data.fPos, data.fCount);
+
+ paint.setShader(shader4)->unref();
+ canvas->translate(-250, 0);
+ canvas->drawRect(r, paint);
+
+ this->inval(NULL);
+ }
+
+private:
+ typedef SampleView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new GradientView; }
+static SkViewRegister reg(MyFactory);
\ No newline at end of file