--- /dev/null
+#ifndef SkTextLayout_DEFINED
+#define SkTextLayout_DEFINED
+
+#include "SkPaint.h"
+#include "SkRefCnt.h"
+
+class SkTextStyle : public SkRefCnt {
+public:
+ SkTextStyle();
+ SkTextStyle(const SkTextStyle&);
+ explicit SkTextStyle(const SkPaint&);
+ virtual ~SkTextStyle();
+
+ const SkPaint& paint() const { return fPaint; }
+ SkPaint& paint() { return fPaint; }
+
+ // todo: bidi-override, language
+
+private:
+ SkPaint fPaint;
+};
+
+class SkTextLayout {
+public:
+ SkTextLayout();
+ ~SkTextLayout();
+
+ void setText(const char text[], size_t length);
+ void setBounds(const SkRect& bounds);
+
+ SkTextStyle* getDefaultStyle() const { return fDefaultStyle; }
+ SkTextStyle* setDefaultStyle(SkTextStyle*);
+
+// SkTextStyle* setStyle(SkTextStyle*, size_t offset, size_t length);
+
+ void draw(SkCanvas* canvas);
+
+private:
+ SkTDArray<char> fText;
+ SkTextStyle* fDefaultStyle;
+ SkRect fBounds;
+
+ // cache
+ struct Line;
+ struct GlyphRun;
+ SkTDArray<Line*> fLines;
+};
+
+#endif
+
--- /dev/null
+#include "SkTextLayout.h"
+
+SkTextStyle::SkTextStyle() {
+ fPaint.setAntiAlias(true);
+}
+
+SkTextStyle::SkTextStyle(const SkTextStyle& src) : fPaint(src.fPaint) {}
+
+SkTextStyle::SkTextStyle(const SkPaint& paint) : fPaint(paint) {}
+
+SkTextStyle::~SkTextStyle() {}
+
+///////////////////////////////////////////////////////////////////////////////
+
+SkTextLayout::SkTextLayout() {
+ fBounds.setEmpty();
+ fDefaultStyle = new SkTextStyle;
+}
+
+SkTextLayout::~SkTextLayout() {
+ fDefaultStyle->unref();
+ fLines.deleteAll();
+}
+
+void SkTextLayout::setText(const char text[], size_t length) {
+ fText.setCount(length);
+ memcpy(fText.begin(), text, length);
+}
+
+void SkTextLayout::setBounds(const SkRect& bounds) {
+ fBounds = bounds;
+ // if width changed, inval cache
+}
+
+SkTextStyle* SkTextLayout::setDefaultStyle(SkTextStyle* style) {
+ SkRefCnt_SafeAssign(fDefaultStyle, style);
+ return style;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+struct SkTextLayout::GlyphRun {
+ GlyphRun();
+ ~GlyphRun();
+
+ SkPoint* fLocs;
+ uint16_t* fGlyphIDs;
+ int fCount;
+};
+
+SkTextLayout::GlyphRun::GlyphRun() : fLocs(NULL), fGlyphIDs(NULL), fCount(0) {}
+
+SkTextLayout::GlyphRun::~GlyphRun() {
+ delete[] fLocs;
+ delete[] fGlyphIDs;
+}
+
+struct SkTextLayout::Line {
+ Line() {}
+ ~Line();
+
+ SkScalar fBaselineY;
+ SkTDArray<GlyphRun*> fRuns;
+};
+
+SkTextLayout::Line::~Line() {
+ fRuns.deleteAll();
+}
+
+void SkTextLayout::draw(SkCanvas* canvas) {
+}
+