Add file missing from r3682 checkin
git-svn-id: http://skia.googlecode.com/svn/trunk@3683 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/circles.cpp b/gm/circles.cpp
new file mode 100644
index 0000000..4513934
--- /dev/null
+++ b/gm/circles.cpp
@@ -0,0 +1,205 @@
+
+/*
+ * Copyright 2012 Intel Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "gm.h"
+#include "SkTArray.h"
+#include "SkRandom.h"
+#include "SkMatrix.h"
+#include "SkBlurMaskFilter.h"
+#include "SkGradientShader.h"
+#include "SkBlurDrawLooper.h"
+
+namespace skiagm {
+
+class CircleGM : public GM {
+public:
+ CircleGM() {
+ this->setBGColor(0xFF000000);
+ this->makePaints();
+ this->makeMatrices();
+ }
+
+protected:
+ virtual SkString onShortName() SK_OVERRIDE {
+ return SkString("circles");
+ }
+
+ virtual SkISize onISize() SK_OVERRIDE {
+ return make_isize(1200, 900);
+ }
+
+ void makePaints() {
+ {
+ // no AA
+ SkPaint p;
+ fPaints.push_back(p);
+ }
+
+ {
+ // AA
+ SkPaint p;
+ p.setAntiAlias(true);
+ fPaints.push_back(p);
+ }
+
+ {
+ // AA with mask filter
+ SkPaint p;
+ p.setAntiAlias(true);
+ SkMaskFilter* mf = SkBlurMaskFilter::Create(SkIntToScalar(5),
+ SkBlurMaskFilter::kNormal_BlurStyle,
+ SkBlurMaskFilter::kHighQuality_BlurFlag);
+ p.setMaskFilter(mf)->unref();
+ fPaints.push_back(p);
+ }
+
+ {
+ // AA with radial shader
+ SkPaint p;
+ p.setAntiAlias(true);
+ SkPoint center = SkPoint::Make(SkIntToScalar(40), SkIntToScalar(40));
+ SkColor colors[] = { SK_ColorBLUE, SK_ColorRED, SK_ColorGREEN };
+ SkScalar pos[] = { 0, SK_ScalarHalf, SK_Scalar1 };
+ SkShader* s = SkGradientShader::CreateRadial(center,
+ SkIntToScalar(20),
+ colors,
+ pos,
+ SK_ARRAY_COUNT(colors),
+ SkShader::kClamp_TileMode);
+ p.setShader(s)->unref();
+ fPaints.push_back(p);
+ }
+
+ {
+ // AA with blur
+ SkPaint p;
+ p.setAntiAlias(true);
+ SkBlurDrawLooper* shadowLooper =
+ new SkBlurDrawLooper (SkIntToScalar(10), SkIntToScalar(5),
+ SkIntToScalar(10), 0xFF0000FF,
+ SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
+ SkBlurDrawLooper::kOverrideColor_BlurFlag |
+ SkBlurDrawLooper::kHighQuality_BlurFlag );
+ SkAutoUnref aurL0(shadowLooper);
+ p.setLooper(shadowLooper);
+ fPaints.push_back(p);
+ }
+
+ {
+ // AA with stroke style
+ SkPaint p;
+ p.setAntiAlias(true);
+ p.setStyle(SkPaint::kStroke_Style);
+ p.setStrokeWidth(SkIntToScalar(3));
+ fPaints.push_back(p);
+ }
+
+ {
+ // AA with stroke style, width = 0
+ SkPaint p;
+ p.setAntiAlias(true);
+ p.setStyle(SkPaint::kStroke_Style);
+ fPaints.push_back(p);
+ }
+
+ {
+ // AA with stroke and fill style
+ SkPaint p;
+ p.setAntiAlias(true);
+ p.setStyle(SkPaint::kStrokeAndFill_Style);
+ p.setStrokeWidth(SkIntToScalar(2));
+ fPaints.push_back(p);
+ }
+ }
+
+ void makeMatrices() {
+ {
+ SkMatrix m;
+ m.setScale(SkIntToScalar(2), SkIntToScalar(3));
+ fMatrices.push_back(m);
+ }
+
+ {
+ SkMatrix m;
+ m.setScale(SkIntToScalar(2), SkIntToScalar(2));
+ fMatrices.push_back(m);
+ }
+
+ {
+ SkMatrix m;
+ m.setSkew(SkIntToScalar(2), SkIntToScalar(3));
+ fMatrices.push_back(m);
+ }
+
+ {
+ SkMatrix m;
+ m.setSkew(SkIntToScalar(2), SkIntToScalar(2));
+ fMatrices.push_back(m);
+ }
+
+ {
+ SkMatrix m;
+ m.setRotate(SkIntToScalar(30));
+ fMatrices.push_back(m);
+ }
+ }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ SkRandom rand;
+ canvas->translate(20 * SK_Scalar1, 20 * SK_Scalar1);
+
+ int i;
+ for (i = 0; i < fPaints.count(); ++i) {
+ canvas->save();
+ // position the path, and make it at off-integer coords.
+ canvas->translate(SK_Scalar1 * 200 * (i % 5) + SK_Scalar1 / 4,
+ SK_Scalar1 * 200 * (i / 5) + 3 * SK_Scalar1 / 4);
+ SkColor color = rand.nextU();
+ color |= 0xff000000;
+ fPaints[i].setColor(color);
+
+ canvas->drawCircle(SkIntToScalar(40), SkIntToScalar(40),
+ SkIntToScalar(20),
+ fPaints[i]);
+ canvas->restore();
+ }
+
+ for (int j = 0; j < fMatrices.count(); ++j, ++i) {
+ canvas->save();
+
+ canvas->translate(SK_Scalar1 * 200 * (i % 5) + SK_Scalar1 / 4,
+ SK_Scalar1 * 200 * (i / 5) + 3 * SK_Scalar1 / 4);
+
+ canvas->concat(fMatrices[j]);
+
+ SkPaint paint;
+ paint.setAntiAlias(true);
+
+ SkColor color = rand.nextU();
+ color |= 0xff000000;
+ paint.setColor(color);
+
+ canvas->drawCircle(SkIntToScalar(40), SkIntToScalar(40),
+ SkIntToScalar(20),
+ paint);
+
+ canvas->restore();
+ }
+ }
+
+private:
+ typedef GM INHERITED;
+ SkTArray<SkPaint> fPaints;
+ SkTArray<SkMatrix> fMatrices;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* MyFactory(void*) { return new CircleGM; }
+static GMRegistry reg(MyFactory);
+
+}