epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 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 | */ |
reed@android.com | ed8dbf7 | 2010-02-11 13:56:04 +0000 | [diff] [blame] | 8 | #include "SkTextLayout.h" |
| 9 | |
reed@android.com | ed8dbf7 | 2010-02-11 13:56:04 +0000 | [diff] [blame] | 10 | SkTextStyle::SkTextStyle() { |
| 11 | fPaint.setAntiAlias(true); |
| 12 | } |
| 13 | |
| 14 | SkTextStyle::SkTextStyle(const SkTextStyle& src) : fPaint(src.fPaint) {} |
| 15 | |
| 16 | SkTextStyle::SkTextStyle(const SkPaint& paint) : fPaint(paint) {} |
| 17 | |
| 18 | SkTextStyle::~SkTextStyle() {} |
| 19 | |
| 20 | /////////////////////////////////////////////////////////////////////////////// |
| 21 | |
| 22 | SkTextLayout::SkTextLayout() { |
| 23 | fBounds.setEmpty(); |
| 24 | fDefaultStyle = new SkTextStyle; |
| 25 | } |
| 26 | |
| 27 | SkTextLayout::~SkTextLayout() { |
| 28 | fDefaultStyle->unref(); |
| 29 | fLines.deleteAll(); |
| 30 | } |
| 31 | |
| 32 | void SkTextLayout::setText(const char text[], size_t length) { |
| 33 | fText.setCount(length); |
| 34 | memcpy(fText.begin(), text, length); |
| 35 | } |
| 36 | |
| 37 | void SkTextLayout::setBounds(const SkRect& bounds) { |
| 38 | fBounds = bounds; |
| 39 | // if width changed, inval cache |
| 40 | } |
| 41 | |
| 42 | SkTextStyle* SkTextLayout::setDefaultStyle(SkTextStyle* style) { |
| 43 | SkRefCnt_SafeAssign(fDefaultStyle, style); |
| 44 | return style; |
| 45 | } |
| 46 | |
| 47 | /////////////////////////////////////////////////////////////////////////////// |
| 48 | |
| 49 | struct SkTextLayout::GlyphRun { |
| 50 | GlyphRun(); |
| 51 | ~GlyphRun(); |
| 52 | |
| 53 | SkPoint* fLocs; |
| 54 | uint16_t* fGlyphIDs; |
| 55 | int fCount; |
| 56 | }; |
| 57 | |
| 58 | SkTextLayout::GlyphRun::GlyphRun() : fLocs(NULL), fGlyphIDs(NULL), fCount(0) {} |
| 59 | |
| 60 | SkTextLayout::GlyphRun::~GlyphRun() { |
| 61 | delete[] fLocs; |
| 62 | delete[] fGlyphIDs; |
| 63 | } |
| 64 | |
| 65 | struct SkTextLayout::Line { |
| 66 | Line() {} |
| 67 | ~Line(); |
| 68 | |
| 69 | SkScalar fBaselineY; |
| 70 | SkTDArray<GlyphRun*> fRuns; |
| 71 | }; |
| 72 | |
| 73 | SkTextLayout::Line::~Line() { |
| 74 | fRuns.deleteAll(); |
| 75 | } |
| 76 | |
| 77 | void SkTextLayout::draw(SkCanvas* canvas) { |
| 78 | } |