grab from latest android

git-svn-id: http://skia.googlecode.com/svn/trunk@27 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 103 insertions, 0 deletions

diff --git a/src/views/SkParsePaint.cpp b/src/views/SkParsePaint.cpp
new file mode 100644
index 0000000000..7bf02440f1
--- /dev/null
+++ b/src/views/SkParsePaint.cpp
@@ -0,0 +1,103 @@
+#include "SkParsePaint.h"
+#include "SkTSearch.h"
+#include "SkParse.h"
+#include "SkImageDecoder.h"
+#include "SkGradientShader.h"
+
+static SkShader* inflate_shader(const SkDOM& dom, const SkDOM::Node* node)
+{
+	if ((node = dom.getFirstChild(node, "shader")) == nil)
+		return nil;
+
+	const char* str;
+
+	if (dom.hasAttr(node, "type", "linear-gradient"))
+	{
+		SkColor		colors[2];
+		SkPoint		pts[2];
+
+		colors[0] = colors[1] = SK_ColorBLACK;	// need to initialized the alpha to opaque, since FindColor doesn't set it
+		if ((str = dom.findAttr(node, "c0")) != nil &&
+			SkParse::FindColor(str, &colors[0]) &&
+			(str = dom.findAttr(node, "c1")) != nil &&
+			SkParse::FindColor(str, &colors[1]) &&
+			dom.findScalars(node, "p0", &pts[0].fX, 2) &&
+			dom.findScalars(node, "p1", &pts[1].fX, 2))
+		{
+			SkShader::TileMode	mode = SkShader::kClamp_TileMode;
+			int					index;
+
+			if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0)
+				mode = (SkShader::TileMode)index;
+			return SkGradientShader::CreateLinear(pts, colors, nil, 2, mode);
+		}
+	}
+	else if (dom.hasAttr(node, "type", "bitmap"))
+	{
+		if ((str = dom.findAttr(node, "src")) == nil)
+			return nil;
+
+		SkBitmap	bm;
+
+		if (SkImageDecoder::DecodeFile(str, &bm))
+		{
+			SkShader::TileMode	mode = SkShader::kRepeat_TileMode;
+			int					index;
+
+			if ((index = dom.findList(node, "tile-mode", "clamp,repeat,mirror")) >= 0)
+				mode = (SkShader::TileMode)index;
+
+			return SkShader::CreateBitmapShader(bm, mode, mode);
+		}
+	}
+	return nil;
+}
+
+void SkPaint_Inflate(SkPaint* paint, const SkDOM& dom, const SkDOM::Node* node)
+{
+	SkASSERT(paint);
+	SkASSERT(&dom);
+	SkASSERT(node);
+
+	SkScalar x;
+
+	if (dom.findScalar(node, "stroke-width", &x))
+		paint->setStrokeWidth(x);
+	if (dom.findScalar(node, "text-size", &x))
+		paint->setTextSize(x);
+	
+	bool	b;
+
+	SkASSERT("legacy: use is-stroke" && !dom.findBool(node, "is-frame", &b));
+
+	if (dom.findBool(node, "is-stroke", &b))
+		paint->setStyle(b ? SkPaint::kStroke_Style : SkPaint::kFill_Style);
+	if (dom.findBool(node, "is-antialias", &b))
+		paint->setAntiAlias(b);
+	if (dom.findBool(node, "is-lineartext", &b))
+		paint->setLinearText(b);
+
+	const char* str = dom.findAttr(node, "color");
+	if (str)
+	{
+		SkColor	c = paint->getColor();
+		if (SkParse::FindColor(str, &c))
+			paint->setColor(c);
+	}
+
+	// do this AFTER parsing for the color
+	if (dom.findScalar(node, "opacity", &x))
+	{
+		x = SkMaxScalar(0, SkMinScalar(x, SK_Scalar1));
+		paint->setAlpha(SkScalarRound(x * 255));
+	}
+
+	int	index = dom.findList(node, "text-anchor", "left,center,right");
+	if (index >= 0)
+		paint->setTextAlign((SkPaint::Align)index);
+
+	SkShader* shader = inflate_shader(dom, node);
+	if (shader)
+		paint->setShader(shader)->unref();
+}
+