Skia Merge (revision 1510)

This CL includes bug fixes and closely mirrors the version of
Skia used in Chrome M13, which is likely to be our baseline for
ICS.

The CL also adds source files for the SampleApp which will allow
us to execute basic skia tests. The SampleApp requires the
utils/views directory in order to run.

Finally, we have included the PDF backend for Skia in order to
experiment with using it to generate PDF files for certain
applications.

Note: The SampleApp and PDF code are not built as part of libskia.

Change-Id: I1895ccfbd8074e25f19148cc7bd1b4af571fb307

1 files changed, 100 insertions, 0 deletions

diff --git a/samplecode/SampleOverflow.cpp b/samplecode/SampleOverflow.cpp
new file mode 100644
index 0000000000..d3ecff751b
--- /dev/null
+++ b/samplecode/SampleOverflow.cpp
@@ -0,0 +1,100 @@
+#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;
+    SkCanvas canvas;
+    SkMatrix matrix;
+    matrix.reset();
+    
+    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
+    bitmap.allocPixels();
+    canvas.setBitmapDevice(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
+}
+
+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;
+}
+
+static void TestOverflowHitTest() {
+    SkPath path;
+    
+#ifdef SK_SCALAR_IS_FLOATx
+    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);
+