00001 // $Id: imagemap.cpp 1282 2006-06-09 09:46:49Z alex $ 00002 /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE 00003 ================================XARAHEADERSTART=========================== 00004 00005 Xara LX, a vector drawing and manipulation program. 00006 Copyright (C) 1993-2006 Xara Group Ltd. 00007 Copyright on certain contributions may be held in joint with their 00008 respective authors. See AUTHORS file for details. 00009 00010 LICENSE TO USE AND MODIFY SOFTWARE 00011 ---------------------------------- 00012 00013 This file is part of Xara LX. 00014 00015 Xara LX is free software; you can redistribute it and/or modify it 00016 under the terms of the GNU General Public License version 2 as published 00017 by the Free Software Foundation. 00018 00019 Xara LX and its component source files are distributed in the hope 00020 that it will be useful, but WITHOUT ANY WARRANTY; without even the 00021 implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00022 See the GNU General Public License for more details. 00023 00024 You should have received a copy of the GNU General Public License along 00025 with Xara LX (see the file GPL in the root directory of the 00026 distribution); if not, write to the Free Software Foundation, Inc., 51 00027 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00028 00029 00030 ADDITIONAL RIGHTS 00031 ----------------- 00032 00033 Conditional upon your continuing compliance with the GNU General Public 00034 License described above, Xara Group Ltd grants to you certain additional 00035 rights. 00036 00037 The additional rights are to use, modify, and distribute the software 00038 together with the wxWidgets library, the wxXtra library, and the "CDraw" 00039 library and any other such library that any version of Xara LX relased 00040 by Xara Group Ltd requires in order to compile and execute, including 00041 the static linking of that library to XaraLX. 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All rights in these marks are reserved. 00091 00092 00093 Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. 00094 http://www.xara.com/ 00095 00096 =================================XARAHEADEREND============================ 00097 */ 00098 // Imagemap class 00099 00100 #include "camtypes.h" 00101 #include "imagemap.h" 00102 00103 #include "clicarea.h" //For ImagemapClickableArea and derived classes 00104 #include "filtimop.h" //For ImagemapFilterOptions::GetOriginOfExportArea 00105 //#include "paths.h" //For Path::Scale - in camtypes.h [AUTOMATICALLY REMOVED] 00106 //#include "doccoord.h" //For DocCoord::Scale - in camtypes.h [AUTOMATICALLY REMOVED] 00107 00108 CC_IMPLEMENT_DYNAMIC(Imagemap, List) 00109 00110 /************************************************* 00111 00112 Constructors 00113 00114 ***********************************************/ 00115 00116 /******************************************************************************************** 00117 00118 > Imagemap::Imagemap() : List() 00119 00120 Author: Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com> 00121 Created: 15/4/97 00122 Purpose: Default constructor 00123 00124 ********************************************************************************************/ 00125 00126 Imagemap::Imagemap() : OverrideList() 00127 { 00128 //Does nothing 00129 } 00130 00131 /************************************************* 00132 00133 Destructor 00134 00135 ***********************************************/ 00136 00137 /******************************************************************************************** 00138 00139 > Imagemap::~Imagemap() 00140 00141 Author: Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com> 00142 Created: 15/4/97 00143 Purpose: Destructor 00144 00145 ********************************************************************************************/ 00146 00147 Imagemap::~Imagemap() 00148 { 00149 //Delete all our list items 00150 DeleteAll(); 00151 } 00152 00153 /************************************************* 00154 00155 Adding to the imagemap 00156 00157 ***********************************************/ 00158 00159 /******************************************************************************************** 00160 00161 > Imagemap::AddRectangle(DocRect rectToAdd, TCHAR* pcURL=NULL, TCHAR* pcFrame=NULL); 00162 00163 00164 Author: Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com> 00165 Created: 15/4/97 00166 Inputs: rectToAdd The rectangle to add to the imagemap 00167 Purpose: Adds a rectangular clickable region to the imagemap 00168 00169 ********************************************************************************************/ 00170 00171 void Imagemap::AddRectangle(DocRect rectToAdd, TCHAR* pcURL, TCHAR* pcFrame) 00172 { 00173 //Create a new ImagemapClickableRectangle with the rectangle we've been given 00174 ImagemapClickableRectangle* pRectangle=new ImagemapClickableRectangle(rectToAdd, pcURL, pcFrame); 00175 00176 //And add it to the imagemap 00177 //Note that we add it to the head of the list. That's because, in imagemaps, 00178 //the first clickable area found in the file is the one nearest the front. 00179 AddHead(pRectangle); 00180 } 00181 00182 /******************************************************************************************** 00183 00184 > Imagemap::AddCircle(Path* pthToAdd, TCHAR* pcURL=NULL, TCHAR* pcFrame=NULL); 00185 00186 00187 Author: Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com> 00188 Created: 15/4/97 00189 Inputs: pthToAdd The circular path to add to the imagemap 00190 Purpose: Adds a circular clickable region to the imagemap 00191 00192 ********************************************************************************************/ 00193 00194 void Imagemap::AddCircle(Path* pthToAdd, TCHAR* pcURL, TCHAR* pcFrame) 00195 { 00196 //Create a new ImagemapClickableCircle with our scaled path 00197 ImagemapClickableCircle* pCircle=new ImagemapClickableCircle(pthToAdd, pcURL, pcFrame); 00198 00199 //And add it to the imagemap 00200 //Note that we add it to the head of the list. That's because, in imagemaps, 00201 //the first clickable area found in the file is the one nearest the front. 00202 AddHead(pCircle); 00203 } 00204 00205 /******************************************************************************************** 00206 00207 > Imagemap::AddPolygon(Path* pthToAdd, TCHAR* pcURL=NULL, TCHAR* pcFrame=NULL); 00208 00209 00210 Author: Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com> 00211 Created: 15/4/97 00212 Inputs: pthToAdd The path to add to the imagemap 00213 00214 Purpose: Adds a straight-sided polygon to the imagemap 00215 00216 ********************************************************************************************/ 00217 00218 void Imagemap::AddPolygon(Path* pthToAdd, TCHAR* pcURL, TCHAR* pcFrame) 00219 { 00220 //Create a new ImagemapClickableCircle with the path we've been given 00221 ImagemapClickablePolygon* pPolygon=new ImagemapClickablePolygon(pthToAdd, pcURL, pcFrame); 00222 00223 //And add it to the imagemap 00224 //Note that we add it to the head of the list. That's because, in imagemaps, 00225 //the first clickable area found in the file is the one nearest the front. 00226 AddHead(pPolygon); 00227 } 00228 00229 /************************************************* 00230 00231 Writing out the imagemap 00232 00233 ***********************************************/ 00234 00235 00236 /******************************************************************************************** 00237 00238 > INT32 Imagemap::WriteHelper(CCLexFile* pfileToWrite=NULL, TCHAR* pcBuffer=NULL) 00239 00240 Author: Graham_Walmsley (Xara Group Ltd) <camelotdev@xara.com> 00241 Created: 16/4/97 00242 Inputs: pfileToWrite - The file to write to 00243 pcBuffer - Pointer to a text buffer to write to 00244 00245 Either of the above may be NULL. 00246 00247 Returns: The number of TCHARs written. 00248 00249 Purpose: Writes out the imagemap. 00250 00251 This function simply iterates through the list and calls on 00252 the members to write themselves out. 00253 00254 SeeAlso: ImagemapRenderRegion::Write() 00255 00256 ********************************************************************************************/ 00257 00258 INT32 Imagemap::Write(CCLexFile* pfileToWrite, TCHAR* pcBuffer) 00259 { 00260 //Set up a variable to remember how many bytes we have written 00261 INT32 lBytesWritten=0; 00262 00263 //Now, get the first clickable area in the imagemap 00264 ImagemapClickableArea* pAreaToWrite=(ImagemapClickableArea*) GetHead(); 00265 00266 //And while we're still looking at a valid clickable area 00267 while (pAreaToWrite!=NULL) 00268 { 00269 //Tell that area to write itself out to the imagemap. 00270 //This function will return the number of TCHARs it writes 00271 lBytesWritten+=pAreaToWrite->Write(pfileToWrite, pcBuffer); 00272 00273 //And move on to the next clickable area 00274 pAreaToWrite=(ImagemapClickableArea*) GetNext(pAreaToWrite); 00275 } 00276 00277 //And return the number of TCHARs we have written 00278 return lBytesWritten; 00279 00280 } 00281 00282 00283