1 2 /* 3 * Copyright 2011 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 #include "SkTextLayout.h" 9 10 SK_DEFINE_INST_COUNT(SkTextStyle) 11 12 SkTextStyle::SkTextStyle() { 13 fPaint.setAntiAlias(true); 14 } 15 16 SkTextStyle::SkTextStyle(const SkTextStyle& src) : fPaint(src.fPaint) {} 17 18 SkTextStyle::SkTextStyle(const SkPaint& paint) : fPaint(paint) {} 19 20 SkTextStyle::~SkTextStyle() {} 21 22 /////////////////////////////////////////////////////////////////////////////// 23 24 SkTextLayout::SkTextLayout() { 25 fBounds.setEmpty(); 26 fDefaultStyle = new SkTextStyle; 27 } 28 29 SkTextLayout::~SkTextLayout() { 30 fDefaultStyle->unref(); 31 fLines.deleteAll(); 32 } 33 34 void SkTextLayout::setText(const char text[], size_t length) { 35 fText.setCount(length); 36 memcpy(fText.begin(), text, length); 37 } 38 39 void SkTextLayout::setBounds(const SkRect& bounds) { 40 fBounds = bounds; 41 // if width changed, inval cache 42 } 43 44 SkTextStyle* SkTextLayout::setDefaultStyle(SkTextStyle* style) { 45 SkRefCnt_SafeAssign(fDefaultStyle, style); 46 return style; 47 } 48 49 /////////////////////////////////////////////////////////////////////////////// 50 51 struct SkTextLayout::GlyphRun { 52 GlyphRun(); 53 ~GlyphRun(); 54 55 SkPoint* fLocs; 56 uint16_t* fGlyphIDs; 57 int fCount; 58 }; 59 60 SkTextLayout::GlyphRun::GlyphRun() : fLocs(NULL), fGlyphIDs(NULL), fCount(0) {} 61 62 SkTextLayout::GlyphRun::~GlyphRun() { 63 delete[] fLocs; 64 delete[] fGlyphIDs; 65 } 66 67 struct SkTextLayout::Line { 68 Line() {} 69 ~Line(); 70 71 SkScalar fBaselineY; 72 SkTDArray<GlyphRun*> fRuns; 73 }; 74 75 SkTextLayout::Line::~Line() { 76 fRuns.deleteAll(); 77 } 78 79 void SkTextLayout::draw(SkCanvas* canvas) { 80 } 81
