1 files changed, 181 insertions, 0 deletions
diff --git a/libs/graphics/sgl/SkPathEffect.cpp b/libs/graphics/sgl/SkPathEffect.cpp
new file mode 100644
index 0000000000..cb09db13b3
--- /dev/null
+++ b/libs/graphics/sgl/SkPathEffect.cpp
@@ -0,0 +1,181 @@
+#include "SkPathEffect.h"
+#include "SkPath.h"
+#include "SkBuffer.h"
+
+SkFlattenable::Factory SkFlattenable::getFactory()
+{
+	return NULL;
+}
+
+void SkFlattenable::flatten(SkWBuffer&)
+{
+}
+
+//////////////////////////////////////////////////////////////////////////////////
+
+bool SkPathEffect::filterPath(SkPath*, const SkPath&, SkScalar*)
+{
+	return false;
+}
+
+static SkFlattenable* create_null_patheffect(SkRBuffer&)
+{
+	return SkNEW(SkPathEffect);
+}
+
+SkFlattenable::Factory SkPathEffect::getFactory()
+{
+	return create_null_patheffect;
+}
+
+//////////////////////////////////////////////////////////////////////////////////
+
+SkPairPathEffect::SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1)
+	: fPE0(pe0), fPE1(pe1)
+{
+	SkASSERT(pe0);
+	SkASSERT(pe1);
+	fPE0->ref();
+	fPE1->ref();
+}
+
+SkPairPathEffect::~SkPairPathEffect()
+{
+	fPE0->unref();
+	fPE1->unref();
+}
+
+/*
+	Format: [oe0-factory][pe1-factory][pe0-size][pe0-data][pe1-data]
+*/
+void SkPairPathEffect::flatten(SkWBuffer& buffer)
+{
+    buffer.writePtr((void*)fPE0->getFactory());
+    buffer.writePtr((void*)fPE1->getFactory());
+    fPE0->flatten(buffer);
+    fPE1->flatten(buffer);
+}
+
+SkPairPathEffect::SkPairPathEffect(SkRBuffer& buffer)
+{
+    Factory factory0 = (Factory)buffer.readPtr();
+    Factory factory1 = (Factory)buffer.readPtr();
+	
+	fPE0 = (SkPathEffect*)factory0(buffer);
+	fPE1 = (SkPathEffect*)factory1(buffer);
+}
+
+//////////////////////////////////////////////////////////////////////////////////
+
+bool SkComposePathEffect::filterPath(SkPath* dst, const SkPath& src, SkScalar* width)
+{
+	SkPath			tmp;
+	const SkPath*	ptr = &src;
+
+	if (fPE1->filterPath(&tmp, src, width))
+		ptr = &tmp;
+	return fPE0->filterPath(dst, *ptr, width);
+}
+
+SkFlattenable* SkComposePathEffect::CreateProc(SkRBuffer& buffer)
+{
+	return SkNEW_ARGS(SkComposePathEffect, (buffer));
+}
+
+SkFlattenable::Factory SkComposePathEffect::getFactory()
+{
+	return SkComposePathEffect::CreateProc;
+}
+
+//////////////////////////////////////////////////////////////////////////////////
+
+bool SkSumPathEffect::filterPath(SkPath* dst, const SkPath& src, SkScalar* width)
+{
+	// use bit-or so that we always call both, even if the first one succeeds
+	return	fPE0->filterPath(dst, src, width) | fPE1->filterPath(dst, src, width);
+}
+
+SkFlattenable* SkSumPathEffect::CreateProc(SkRBuffer& buffer)
+{
+	return SkNEW_ARGS(SkSumPathEffect, (buffer));
+}
+
+SkFlattenable::Factory SkSumPathEffect::getFactory()
+{
+	return SkSumPathEffect::CreateProc;
+}
+
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "SkStroke.h"
+
+SkStrokePathEffect::SkStrokePathEffect(const SkPaint& paint)
+	: fWidth(paint.getStrokeWidth()), fMiter(paint.getStrokeMiter()),
+	  fStyle(SkToU8(paint.getStyle())), fJoin(SkToU8(paint.getStrokeJoin())), fCap(SkToU8(paint.getStrokeCap()))
+{
+}
+
+SkStrokePathEffect::SkStrokePathEffect(SkScalar width, SkPaint::Style style, SkPaint::Join join, SkPaint::Cap cap, SkScalar miter)
+	: fWidth(width), fMiter(miter), fStyle(SkToU8(style)), fJoin(SkToU8(join)), fCap(SkToU8(cap))
+{
+	if (miter < 0)	// signal they want the default
+		fMiter = SK_DefaultMiterLimit;
+}
+
+bool SkStrokePathEffect::filterPath(SkPath* dst, const SkPath& src, SkScalar* width)
+{
+	if (fWidth < 0 || fStyle == SkPaint::kFill_Style)
+		return false;
+
+	if (fStyle == SkPaint::kStroke_Style && fWidth == 0)	// hairline
+	{
+		*width = 0;
+		return true;
+	}
+
+	SkStroke	stroke;
+
+	stroke.setWidth(fWidth);
+	stroke.setMiterLimit(fMiter);
+	stroke.setJoin((SkPaint::Join)fJoin);
+	stroke.setCap((SkPaint::Cap)fCap);
+	stroke.setDoFill(fStyle == SkPaint::kStrokeAndFill_Style);
+
+	stroke.strokePath(src, dst);
+	return true;
+}
+
+SkFlattenable::Factory SkStrokePathEffect::getFactory()
+{
+	return CreateProc;
+}
+
+SkFlattenable* SkStrokePathEffect::CreateProc(SkRBuffer& buffer)
+{
+	return SkNEW_ARGS(SkStrokePathEffect, (buffer));
+}
+
+void SkStrokePathEffect::flatten(SkWBuffer& buffer)
+{
+    this->INHERITED::flatten(buffer);
+
+	buffer.writeScalar(fWidth);
+	buffer.writeScalar(fMiter);
+    buffer.write8(fStyle);
+    buffer.write8(fJoin);
+    buffer.write8(fCap);
+    buffer.padToAlign4();
+}
+
+SkStrokePathEffect::SkStrokePathEffect(SkRBuffer& buffer)
+	: SkPathEffect(buffer)
+{
+    fWidth = buffer.readScalar();
+    fMiter = buffer.readScalar();
+    fStyle = buffer.readU8();
+    fJoin = buffer.readU8();
+    fCap = buffer.readU8();
+    buffer.skipToAlign4();
+}
+
+