Mercurial > fife-parpg
annotate engine/core/video/fonts/fontbase.cpp @ 166:81a222e7bd25
Fixes for event handling.
author | phoku@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Sat, 18 Oct 2008 06:46:21 +0000 |
parents | 9a05ba6735b1 |
children | 756b895e1dab |
rev | line source |
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1 /*************************************************************************** |
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2 * Copyright (C) 2005-2008 by the FIFE team * |
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3 * http://www.fifengine.de * |
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4 * This file is part of FIFE. * |
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5 * * |
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6 * FIFE is free software; you can redistribute it and/or * |
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7 * modify it under the terms of the GNU Lesser General Public * |
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8 * License as published by the Free Software Foundation; either * |
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9 * version 2.1 of the License, or (at your option) any later version. * |
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10 * * |
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11 * This library is distributed in the hope that it will be useful, * |
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
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14 * Lesser General Public License for more details. * |
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15 * * |
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16 * You should have received a copy of the GNU Lesser General Public * |
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17 * License along with this library; if not, write to the * |
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18 * Free Software Foundation, Inc., * |
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * |
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20 ***************************************************************************/ |
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21 |
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22 // Standard C++ library includes |
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23 #include <vector> |
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24 |
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25 // Platform specific includes |
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26 |
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27 // 3rd party library includes |
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28 #include <boost/filesystem/convenience.hpp> |
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29 |
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30 // FIFE includes |
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31 // These includes are split up in two parts, separated by one empty line |
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32 // First block: files included from the FIFE root src directory |
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33 // Second block: files included from the same folder |
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34 #include "util/structures/rect.h" |
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35 #include "util/base/exception.h" |
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36 #include "video/image.h" |
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37 #include "video/renderbackend.h" |
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38 |
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39 #include "fontbase.h" |
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40 |
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41 namespace FIFE { |
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42 |
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43 FontBase::FontBase(): |
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44 m_pool(), |
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45 mColor(), |
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46 mGlyphSpacing(0), |
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47 mRowSpacing(0), |
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48 mFilename(""), |
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49 m_antiAlias(true) { |
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50 } |
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51 |
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52 void FontBase::setRowSpacing(int spacing) { |
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53 mRowSpacing = spacing; |
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54 } |
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55 |
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56 int FontBase::getRowSpacing() const { |
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57 return mRowSpacing; |
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58 } |
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59 |
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60 void FontBase::setGlyphSpacing(int spacing) { |
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61 mGlyphSpacing = spacing; |
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62 } |
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63 |
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64 int FontBase::getGlyphSpacing() const { |
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65 return mGlyphSpacing; |
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66 } |
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67 |
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68 void FontBase::setAntiAlias(bool antiAlias) { |
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69 m_antiAlias = antiAlias; |
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70 } |
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71 |
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72 bool FontBase::isAntiAlias() { |
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73 return m_antiAlias; |
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74 } |
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75 |
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76 SDL_Color FontBase::getColor() const { |
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77 return mColor; |
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78 } |
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79 |
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80 int FontBase::getStringIndexAt(const std::string &text, int x) { |
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81 for (int i = 0; i < static_cast<int>(text.size()); ++i) { |
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82 if (getWidth(text.substr(0,i)) > x) { |
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83 return i-1; |
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84 } |
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85 } |
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86 return text.length(); |
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87 } |
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88 |
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89 Image* FontBase::getAsImage(const std::string& text) { |
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90 Image* image = m_pool.getRenderedText(this, text); |
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91 if (!image) { |
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92 SDL_Surface* textSurface = renderString(text); |
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93 image = RenderBackend::instance()->createImage(textSurface); |
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94 m_pool.addRenderedText( this, text, image ); |
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95 } |
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96 return image; |
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97 } |
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98 |
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99 Image* FontBase::getAsImageMultiline(const std::string& text) { |
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100 Image* image = m_pool.getRenderedText(this, text); |
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101 if (!image) { |
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102 std::vector<SDL_Surface*> lines; |
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103 |
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104 // split text as needed |
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105 std::string::size_type pos, last_pos = 0; |
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* Datasets becomes the new trunk and retires after that :-)
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106 int length = 0; |
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107 int render_width = 0, render_height = 0; |
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108 do { |
160
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|
109 pos = text.find('\n', last_pos); |
0
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110 if (pos != std::string::npos) { |
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111 length = pos - last_pos; |
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112 } else { |
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113 length = text.size() - last_pos; |
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114 } |
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115 std::string sub = text.substr(last_pos, length); |
160
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116 std::cerr << "substring: " << sub << "\n"; |
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117 SDL_Surface* text_surface = renderString(sub); |
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118 if (text_surface->w > render_width) { |
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119 render_width = text_surface->w; |
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120 } |
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121 lines.push_back(text_surface); |
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122 last_pos = pos + 1; |
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123 } while (pos != std::string::npos); |
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124 render_height = (getRowSpacing() + getHeight()) * lines.size(); |
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125 SDL_Surface* final_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, |
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126 render_width,render_height,32, |
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127 RMASK, GMASK, BMASK ,AMASK); |
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128 if (!final_surface) { |
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129 std::cerr << "CreateRGBSurface failed: " << SDL_GetError() << "\n"; |
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130 exit(0); |
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131 } |
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132 SDL_FillRect(final_surface, 0, 0x00000000); |
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133 int ypos = 0; |
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134 for (std::vector<SDL_Surface*>::iterator i = lines.begin(); i != lines.end(); ++i) { |
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135 SDL_Rect dst_rect = { 0, 0, 0, 0 }; |
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136 dst_rect.y = ypos; |
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137 |
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138 SDL_SetAlpha(*i,0,SDL_ALPHA_OPAQUE); |
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139 SDL_BlitSurface(*i,0,final_surface,&dst_rect); |
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140 ypos += getRowSpacing() + getHeight(); |
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* Datasets becomes the new trunk and retires after that :-)
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|
141 SDL_FreeSurface(*i); |
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142 } |
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143 image = RenderBackend::instance()->createImage(final_surface); |
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144 m_pool.addRenderedText(this, text, image); |
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145 } |
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146 return image; |
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147 } |
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148 |
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149 std::string FontBase::splitTextToWidth (const std::string& text, int render_width) { |
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* Datasets becomes the new trunk and retires after that :-)
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150 if (render_width <= 0 || text.empty()) { |
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151 return text; |
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152 } |
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153 std::string output; |
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* Datasets becomes the new trunk and retires after that :-)
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154 std::string line; |
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* Datasets becomes the new trunk and retires after that :-)
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155 std::string::size_type pos = 0; |
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* Datasets becomes the new trunk and retires after that :-)
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156 std::list<std::pair<size_t,size_t> > break_pos; |
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* Datasets becomes the new trunk and retires after that :-)
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|
157 bool firstLine = true; |
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* Datasets becomes the new trunk and retires after that :-)
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158 |
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159 while( pos < text.length() ) |
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* Datasets becomes the new trunk and retires after that :-)
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160 { |
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|
161 break_pos.clear(); |
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* Datasets becomes the new trunk and retires after that :-)
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162 if( !firstLine ) { |
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* Datasets becomes the new trunk and retires after that :-)
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163 line = "\n"; |
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* Datasets becomes the new trunk and retires after that :-)
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164 } else { |
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* Datasets becomes the new trunk and retires after that :-)
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165 firstLine = false; |
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* Datasets becomes the new trunk and retires after that :-)
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166 } |
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167 |
160
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|
168 bool haveNewLine = false; |
0
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|
169 while( getWidth(line) < render_width && pos < text.length() ) |
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* Datasets becomes the new trunk and retires after that :-)
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170 { |
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|
171 if (text.at(pos) == ' ' && !line.empty()) |
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* Datasets becomes the new trunk and retires after that :-)
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|
172 break_pos.push_back( std::make_pair(line.length(),pos) ); |
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* Datasets becomes the new trunk and retires after that :-)
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173 line.push_back( text.at(pos) ); |
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* Datasets becomes the new trunk and retires after that :-)
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174 ++pos; |
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* Datasets becomes the new trunk and retires after that :-)
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175 |
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|
176 // Special case: Already newlines in string: |
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* Datasets becomes the new trunk and retires after that :-)
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|
177 if( text.at(pos-1) == '\n' ) { |
160
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178 if( line[line.size()-1] == '\n' ) |
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Now textwrapping handles newlines correctly in trunk, too.
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|
179 line.erase(line.size()-1); |
0
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* Datasets becomes the new trunk and retires after that :-)
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180 output.append(line); |
160
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181 line = ""; |
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|
182 haveNewLine = true; |
0
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* Datasets becomes the new trunk and retires after that :-)
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|
183 break; |
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* Datasets becomes the new trunk and retires after that :-)
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184 } |
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* Datasets becomes the new trunk and retires after that :-)
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185 } |
160
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Now textwrapping handles newlines correctly in trunk, too.
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|
186 if( haveNewLine ) |
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Now textwrapping handles newlines correctly in trunk, too.
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187 continue; |
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188 |
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|
189 if( pos >= text.length()) |
0
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* Datasets becomes the new trunk and retires after that :-)
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|
190 break; |
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* Datasets becomes the new trunk and retires after that :-)
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191 |
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|
192 if( break_pos.empty() ) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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193 // No break position and line length smaller than 2 |
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* Datasets becomes the new trunk and retires after that :-)
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194 // means the renderwidth is really screwed. Just continue |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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|
195 // appending single character lines. |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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|
196 if( line.length() <= 1 ) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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changeset
|
197 output.append(line); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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198 continue; |
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* Datasets becomes the new trunk and retires after that :-)
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199 } |
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* Datasets becomes the new trunk and retires after that :-)
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200 |
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* Datasets becomes the new trunk and retires after that :-)
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201 // We can't do hyphenation here, |
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* Datasets becomes the new trunk and retires after that :-)
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202 // so we just retreat one character :-( |
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* Datasets becomes the new trunk and retires after that :-)
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203 line.erase(line.length() - 1); |
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* Datasets becomes the new trunk and retires after that :-)
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204 --pos; |
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* Datasets becomes the new trunk and retires after that :-)
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205 } else { |
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* Datasets becomes the new trunk and retires after that :-)
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206 line = line.substr(0,break_pos.back().first); |
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* Datasets becomes the new trunk and retires after that :-)
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207 pos = break_pos.back().second + 1; |
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* Datasets becomes the new trunk and retires after that :-)
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208 } |
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* Datasets becomes the new trunk and retires after that :-)
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209 output.append(line); |
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* Datasets becomes the new trunk and retires after that :-)
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210 } |
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* Datasets becomes the new trunk and retires after that :-)
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211 if( !line.empty() ) { |
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212 output.append(line); |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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213 } |
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* Datasets becomes the new trunk and retires after that :-)
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214 return output; |
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* Datasets becomes the new trunk and retires after that :-)
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215 } |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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216 } |