Crazy Eddie's GUI System
0.8.4
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00001 /*********************************************************************** 00002 created: 25/05/2009 00003 author: Paul Turner 00004 *************************************************************************/ 00005 /*************************************************************************** 00006 * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team 00007 * 00008 * Permission is hereby granted, free of charge, to any person obtaining 00009 * a copy of this software and associated documentation files (the 00010 * "Software"), to deal in the Software without restriction, including 00011 * without limitation the rights to use, copy, modify, merge, publish, 00012 * distribute, sublicense, and/or sell copies of the Software, and to 00013 * permit persons to whom the Software is furnished to do so, subject to 00014 * the following conditions: 00015 * 00016 * The above copyright notice and this permission notice shall be 00017 * included in all copies or substantial portions of the Software. 00018 * 00019 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00020 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00021 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 00022 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR 00023 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 00024 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 00025 * OTHER DEALINGS IN THE SOFTWARE. 00026 ***************************************************************************/ 00027 #ifndef _CEGUIRenderedStringWordWrapper_h_ 00028 #define _CEGUIRenderedStringWordWrapper_h_ 00029 00030 #include "CEGUI/FormattedRenderedString.h" 00031 #include "CEGUI/JustifiedRenderedString.h" 00032 #include "CEGUI/Vector.h" 00033 #include <vector> 00034 00035 // Start of CEGUI namespace section 00036 namespace CEGUI 00037 { 00043 template <typename T> 00044 class RenderedStringWordWrapper : public FormattedRenderedString 00045 { 00046 public: 00048 RenderedStringWordWrapper(const RenderedString& string); 00050 ~RenderedStringWordWrapper(); 00051 00052 // implementation of base interface 00053 void format(const Window* ref_wnd, const Sizef& area_size); 00054 void draw(const Window* ref_wnd, GeometryBuffer& buffer, 00055 const Vector2f& position, const ColourRect* mod_colours, 00056 const Rectf* clip_rect) const; 00057 size_t getFormattedLineCount() const; 00058 float getHorizontalExtent(const Window* ref_wnd) const; 00059 float getVerticalExtent(const Window* ref_wnd) const; 00060 00061 protected: 00063 void deleteFormatters(); 00065 typedef std::vector<FormattedRenderedString* 00066 CEGUI_VECTOR_ALLOC(FormattedRenderedString*)> LineList; 00068 LineList d_lines; 00069 }; 00070 00072 template <> CEGUIEXPORT 00073 void RenderedStringWordWrapper<JustifiedRenderedString>::format(const Window* ref_wnd, 00074 const Sizef& area_size); 00075 00076 //----------------------------------------------------------------------------// 00077 template <typename T> 00078 RenderedStringWordWrapper<T>::RenderedStringWordWrapper( 00079 const RenderedString& string) : 00080 FormattedRenderedString(string) 00081 { 00082 } 00083 00084 //----------------------------------------------------------------------------// 00085 template <typename T> 00086 RenderedStringWordWrapper<T>::~RenderedStringWordWrapper() 00087 { 00088 deleteFormatters(); 00089 } 00090 00091 //----------------------------------------------------------------------------// 00092 template <typename T> 00093 void RenderedStringWordWrapper<T>::format(const Window* ref_wnd, 00094 const Sizef& area_size) 00095 { 00096 deleteFormatters(); 00097 00098 RenderedString rstring, lstring; 00099 rstring = *d_renderedString; 00100 float rs_width; 00101 00102 T* frs; 00103 00104 for (size_t line = 0; line < rstring.getLineCount(); ++line) 00105 { 00106 while ((rs_width = rstring.getPixelSize(ref_wnd, line).d_width) > 0) 00107 { 00108 // skip line if no wrapping occurs 00109 if (rs_width <= area_size.d_width) 00110 break; 00111 00112 // split rstring at width into lstring and remaining rstring 00113 rstring.split(ref_wnd, line, area_size.d_width, lstring); 00114 frs = CEGUI_NEW_AO T(*new RenderedString(lstring)); 00115 frs->format(ref_wnd, area_size); 00116 d_lines.push_back(frs); 00117 line = 0; 00118 } 00119 } 00120 00121 // last line. 00122 frs = CEGUI_NEW_AO T(*new RenderedString(rstring)); 00123 frs->format(ref_wnd, area_size); 00124 d_lines.push_back(frs); 00125 } 00126 00127 //----------------------------------------------------------------------------// 00128 template <typename T> 00129 void RenderedStringWordWrapper<T>::draw(const Window* ref_wnd, 00130 GeometryBuffer& buffer, 00131 const Vector2f& position, 00132 const ColourRect* mod_colours, 00133 const Rectf* clip_rect) const 00134 { 00135 Vector2f line_pos(position); 00136 typename LineList::const_iterator i = d_lines.begin(); 00137 for (; i != d_lines.end(); ++i) 00138 { 00139 (*i)->draw(ref_wnd, buffer, line_pos, mod_colours, clip_rect); 00140 line_pos.d_y += (*i)->getVerticalExtent(ref_wnd); 00141 } 00142 } 00143 00144 //----------------------------------------------------------------------------// 00145 template <typename T> 00146 size_t RenderedStringWordWrapper<T>::getFormattedLineCount() const 00147 { 00148 return d_lines.size(); 00149 } 00150 00151 //----------------------------------------------------------------------------// 00152 template <typename T> 00153 float RenderedStringWordWrapper<T>::getHorizontalExtent(const Window* ref_wnd) const 00154 { 00155 // TODO: Cache at format time. 00156 00157 float w = 0; 00158 typename LineList::const_iterator i = d_lines.begin(); 00159 for (; i != d_lines.end(); ++i) 00160 { 00161 const float cur_width = (*i)->getHorizontalExtent(ref_wnd); 00162 if (cur_width > w) 00163 w = cur_width; 00164 } 00165 00166 return w; 00167 } 00168 00169 //----------------------------------------------------------------------------// 00170 template <typename T> 00171 float RenderedStringWordWrapper<T>::getVerticalExtent(const Window* ref_wnd) const 00172 { 00173 // TODO: Cache at format time. 00174 00175 float h = 0; 00176 typename LineList::const_iterator i = d_lines.begin(); 00177 for (; i != d_lines.end(); ++i) 00178 h += (*i)->getVerticalExtent(ref_wnd); 00179 00180 return h; 00181 } 00182 00183 //----------------------------------------------------------------------------// 00184 template <typename T> 00185 void RenderedStringWordWrapper<T>::deleteFormatters() 00186 { 00187 for (size_t i = 0; i < d_lines.size(); ++i) 00188 { 00189 // get the rendered string back from rthe formatter 00190 const RenderedString* rs = &d_lines[i]->getRenderedString(); 00191 // delete the formatter 00192 CEGUI_DELETE_AO d_lines[i]; 00193 // delete the rendered string. 00194 CEGUI_DELETE_AO rs; 00195 } 00196 00197 d_lines.clear(); 00198 } 00199 00200 //----------------------------------------------------------------------------// 00201 00202 } // End of CEGUI namespace section 00203 00204 #endif // end of guard _CEGUIRenderedStringWordWrapper_h_