michael@0: 
michael@0: /*
michael@0:  * Copyright 2011 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: #include "SkTextLayout.h"
michael@0: 
michael@0: SkTextStyle::SkTextStyle() {
michael@0:     fPaint.setAntiAlias(true);
michael@0: }
michael@0: 
michael@0: SkTextStyle::SkTextStyle(const SkTextStyle& src) : fPaint(src.fPaint) {}
michael@0: 
michael@0: SkTextStyle::SkTextStyle(const SkPaint& paint) : fPaint(paint) {}
michael@0: 
michael@0: SkTextStyle::~SkTextStyle() {}
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: SkTextLayout::SkTextLayout() {
michael@0:     fBounds.setEmpty();
michael@0:     fDefaultStyle = new SkTextStyle;
michael@0: }
michael@0: 
michael@0: SkTextLayout::~SkTextLayout() {
michael@0:     fDefaultStyle->unref();
michael@0:     fLines.deleteAll();
michael@0: }
michael@0: 
michael@0: void SkTextLayout::setText(const char text[], size_t length) {
michael@0:     fText.setCount(length);
michael@0:     memcpy(fText.begin(), text, length);
michael@0: }
michael@0: 
michael@0: void SkTextLayout::setBounds(const SkRect& bounds) {
michael@0:     fBounds = bounds;
michael@0:     // if width changed, inval cache
michael@0: }
michael@0: 
michael@0: SkTextStyle* SkTextLayout::setDefaultStyle(SkTextStyle* style) {
michael@0:     SkRefCnt_SafeAssign(fDefaultStyle, style);
michael@0:     return style;
michael@0: }
michael@0: 
michael@0: ///////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: struct SkTextLayout::GlyphRun {
michael@0:     GlyphRun();
michael@0:     ~GlyphRun();
michael@0: 
michael@0:     SkPoint*    fLocs;
michael@0:     uint16_t*   fGlyphIDs;
michael@0:     int         fCount;
michael@0: };
michael@0: 
michael@0: SkTextLayout::GlyphRun::GlyphRun() : fLocs(NULL), fGlyphIDs(NULL), fCount(0) {}
michael@0: 
michael@0: SkTextLayout::GlyphRun::~GlyphRun() {
michael@0:     delete[] fLocs;
michael@0:     delete[] fGlyphIDs;
michael@0: }
michael@0: 
michael@0: struct SkTextLayout::Line {
michael@0:     Line() {}
michael@0:     ~Line();
michael@0: 
michael@0:     SkScalar                fBaselineY;
michael@0:     SkTDArray<GlyphRun*>    fRuns;
michael@0: };
michael@0: 
michael@0: SkTextLayout::Line::~Line() {
michael@0:     fRuns.deleteAll();
michael@0: }
michael@0: 
michael@0: void SkTextLayout::draw(SkCanvas* canvas) {
michael@0: }