initial snapshot, trunk@5966

Change-Id: I5c9aa88bd82f150da9f5b1152bc2d5aa4baaabb2

1 files changed, 109 insertions, 0 deletions

diff --git a/samplecode/SampleOverflow.cpp b/samplecode/SampleOverflow.cpp
new file mode 100644
index 0000000000..3cf30ad9df
--- /dev/null
+++ b/samplecode/SampleOverflow.cpp
@@ -0,0 +1,109 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#include "SampleCode.h"
+#include "SkView.h"
+#include "SkCanvas.h"
+#include "SkDevice.h"
+#include "SkPaint.h"
+
+static void DrawRoundRect() {
+#ifdef SK_SCALAR_IS_FIXED
+    bool ret = false;
+    SkPaint  paint;
+    SkBitmap bitmap;
+    SkMatrix matrix;
+    matrix.reset();
+
+    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
+    bitmap.allocPixels();
+
+    SkCanvas canvas(bitmap);
+
+    // set up clipper
+    SkRect skclip;
+    skclip.set(SkIntToFixed(284), SkIntToFixed(40), SkIntToFixed(1370), SkIntToFixed(708));
+
+    ret = canvas.clipRect(skclip);
+    SkASSERT(ret);
+
+    matrix.set(SkMatrix::kMTransX, SkFloatToFixed(-1153.28));
+    matrix.set(SkMatrix::kMTransY, SkFloatToFixed(1180.50));
+
+    matrix.set(SkMatrix::kMScaleX, SkFloatToFixed(0.177171));
+    matrix.set(SkMatrix::kMScaleY, SkFloatToFixed(0.177043));
+
+    matrix.set(SkMatrix::kMSkewX, SkFloatToFixed(0.126968));
+    matrix.set(SkMatrix::kMSkewY, SkFloatToFixed(-0.126876));
+
+    matrix.set(SkMatrix::kMPersp0, SkFloatToFixed(0.0));
+    matrix.set(SkMatrix::kMPersp1, SkFloatToFixed(0.0));
+
+    ret = canvas.concat(matrix);
+
+    paint.setAntiAlias(true);
+    paint.setColor(0xb2202020);
+    paint.setStyle(SkPaint::kStroke_Style);
+    paint.setStrokeWidth(SkFloatToFixed(68.13));
+
+    SkRect r;
+    r.set(SkFloatToFixed(-313.714417), SkFloatToFixed(-4.826389), SkFloatToFixed(18014.447266), SkFloatToFixed(1858.154541));
+    canvas.drawRoundRect(r, SkFloatToFixed(91.756363), SkFloatToFixed(91.756363), paint);
+#endif
+}
+
+#ifdef SK_SCALAR_IS_FLOATx // FIXME: unclear when if ever this can be enabled
+static bool HitTestPath(const SkPath& path, SkScalar x, SkScalar y) {
+    SkRegion    rgn, clip;
+
+    int ix = SkScalarFloor(x);
+    int iy = SkScalarFloor(y);
+
+    clip.setRect(ix, iy, ix + 1, iy + 1);
+
+    bool contains = rgn.setPath(path, clip);
+    return contains;
+}
+#endif
+
+static void TestOverflowHitTest() {
+    SkPath path;
+
+#ifdef SK_SCALAR_IS_FLOATx // FIXME: unclear when if ever this can be enabled
+    path.addCircle(0, 0, 70000, SkPath::kCCW_Direction);
+    SkASSERT(HitTestPath(path, 40000, 40000));
+#endif
+}
+
+class OverflowView : public SampleView {
+public:
+    OverflowView() {}
+
+protected:
+    // overrides from SkEventSink
+    virtual bool onQuery(SkEvent* evt) {
+        if (SampleCode::TitleQ(*evt)) {
+            SampleCode::TitleR(evt, "Circles");
+            return true;
+        }
+        return this->INHERITED::onQuery(evt);
+    }
+
+    virtual void onDrawContent(SkCanvas* canvas) {
+        DrawRoundRect();
+        TestOverflowHitTest();
+    }
+
+private:
+    typedef SampleView INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static SkView* MyFactory() { return new OverflowView; }
+static SkViewRegister reg(MyFactory);
+