1 /* 2 * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org) 3 * (C) 2000 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Dirk Mueller (mueller (at) kde.org) 5 * Copyright (C) 2003, 2006, 2007 Apple Computer, Inc. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24 #ifndef TextRun_h 25 #define TextRun_h 26 27 #include "PlatformString.h" 28 29 namespace WebCore { 30 31 class RenderObject; 32 class SVGPaintServer; 33 34 class TextRun { 35 public: 36 TextRun(const UChar* c, int len, bool allowTabs = false, int xpos = 0, int padding = 0, bool rtl = false, bool directionalOverride = false, 37 bool applyRunRounding = true, bool applyWordRounding = true) 38 : m_characters(c) 39 , m_len(len) 40 , m_xpos(xpos) 41 , m_padding(padding) 42 , m_allowTabs(allowTabs) 43 , m_rtl(rtl) 44 , m_directionalOverride(directionalOverride) 45 , m_applyRunRounding(applyRunRounding) 46 , m_applyWordRounding(applyWordRounding) 47 , m_disableSpacing(false) 48 #if ENABLE(SVG_FONTS) 49 , m_referencingRenderObject(0) 50 , m_activePaintServer(0) 51 #endif 52 { 53 } 54 55 TextRun(const String& s, bool allowTabs = false, int xpos = 0, int padding = 0, bool rtl = false, bool directionalOverride = false, 56 bool applyRunRounding = true, bool applyWordRounding = true) 57 : m_characters(s.characters()) 58 , m_len(s.length()) 59 , m_xpos(xpos) 60 , m_padding(padding) 61 , m_allowTabs(allowTabs) 62 , m_rtl(rtl) 63 , m_directionalOverride(directionalOverride) 64 , m_applyRunRounding(applyRunRounding) 65 , m_applyWordRounding(applyWordRounding) 66 , m_disableSpacing(false) 67 #if ENABLE(SVG_FONTS) 68 , m_referencingRenderObject(0) 69 , m_activePaintServer(0) 70 #endif 71 { 72 } 73 74 UChar operator[](int i) const { return m_characters[i]; } 75 const UChar* data(int i) const { return &m_characters[i]; } 76 77 const UChar* characters() const { return m_characters; } 78 int length() const { return m_len; } 79 80 void setText(const UChar* c, int len) { m_characters = c; m_len = len; } 81 82 bool allowTabs() const { return m_allowTabs; } 83 int xPos() const { return m_xpos; } 84 int padding() const { return m_padding; } 85 bool rtl() const { return m_rtl; } 86 bool ltr() const { return !m_rtl; } 87 bool directionalOverride() const { return m_directionalOverride; } 88 bool applyRunRounding() const { return m_applyRunRounding; } 89 bool applyWordRounding() const { return m_applyWordRounding; } 90 bool spacingDisabled() const { return m_disableSpacing; } 91 92 void disableSpacing() { m_disableSpacing = true; } 93 void disableRoundingHacks() { m_applyRunRounding = m_applyWordRounding = false; } 94 void setRTL(bool b) { m_rtl = b; } 95 void setDirectionalOverride(bool override) { m_directionalOverride = override; } 96 97 #if ENABLE(SVG_FONTS) 98 RenderObject* referencingRenderObject() const { return m_referencingRenderObject; } 99 void setReferencingRenderObject(RenderObject* object) { m_referencingRenderObject = object; } 100 101 SVGPaintServer* activePaintServer() const { return m_activePaintServer; } 102 void setActivePaintServer(SVGPaintServer* object) { m_activePaintServer = object; } 103 #endif 104 105 private: 106 const UChar* m_characters; 107 int m_len; 108 109 int m_xpos; 110 int m_padding; 111 bool m_allowTabs; 112 bool m_rtl; 113 bool m_directionalOverride; 114 bool m_applyRunRounding; 115 bool m_applyWordRounding; 116 bool m_disableSpacing; 117 118 #if ENABLE(SVG_FONTS) 119 RenderObject* m_referencingRenderObject; 120 SVGPaintServer* m_activePaintServer; 121 #endif 122 }; 123 124 } 125 126 #endif 127