surfacevector.cc

   1 /*\r
   2     Copyright 2012 Marten Richter\r
   3 \r
   4     This file is part of VOMP.\r
   5 \r
   6     VOMP is free software; you can redistribute it and/or modify\r
   7     it under the terms of the GNU General Public License as published by\r
   8     the Free Software Foundation; either version 2 of the License, or\r
   9     (at your option) any later version.\r
  10 \r
  11     VOMP is distributed in the hope that it will be useful,\r
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14     GNU General Public License for more details.\r
  15 \r
  16     You should have received a copy of the GNU General Public License\r
  17     along with VOMP; if not, write to the Free Software\r
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.\r
  19 */\r
  20 \r
  21 #include "surfacevector.h"\r
  22 #include "bitmap.h"\r
  23 #include <wchar.h>\r
  24 #include <stdlib.h>\r
  25 \r
  26 SurfaceVector::SurfaceVector(OsdVector* vosd)\r
  27 {\r
  28 \r
  29         osd=vosd;\r
  30 }\r
  31 \r
  32 SurfaceVector::~SurfaceVector()\r
  33 {\r
  34         osd->removeSurface(this);\r
  35         list<SVGCommand>::iterator itty=commands.begin();\r
  36         while (itty!=commands.end())\r
  37         {\r
  38                 osd->removeStyleRef((*itty).getRef()); // We remove the Style reference, so that osd can free stuff\r
  39                 ImageIndex ii=(*itty).getImageIndex();\r
  40                 if (ii) osd->removeImageRef(ii);\r
  41                 itty++;\r
  42         }\r
  43 }\r
  44 \r
  45 \r
  46 int SurfaceVector::getFontHeight()\r
  47 {\r
  48         return osd->getFontHeight();\r
  49 }\r
  50 \r
  51 float SurfaceVector::getCharWidth(wchar_t c)\r
  52 {\r
  53         return osd->getCharWidth(c);\r
  54 }\r
  55 \r
  56 wchar_t SurfaceVector::getWChar(const char* str, unsigned int *length)\r
  57 {\r
  58         int mlength=0;\r
  59         int max_length=4;\r
  60         wchar_t tempo[1];\r
  61         size_t num_bytes=1;\r
  62         if (str[0]=='\0') {\r
  63                 *length=1;\r
  64                 return '\0';\r
  65         } else if (str[1]=='\0'){\r
  66                 max_length=2;\r
  67         } else if (str[2]=='\0'){\r
  68                 max_length=3;\r
  69         }\r
  70         mbstate_t state;\r
  71         memset((void*)&state,0,sizeof(state));\r
  72         num_bytes=mbrtowc(tempo, str, max_length, &state);\r
  73         if (num_bytes!=((size_t) -1) && num_bytes!=((size_t) -2))\r
  74         {\r
  75                 *length=num_bytes;\r
  76                 return *tempo;\r
  77         }\r
  78         *length=1;\r
  79         return '?';\r
  80 }\r
  81 \r
  82 \r
  83 int SurfaceVector::drawText(const char* text, int x, int y, const DrawStyle& c){\r
  84         return drawText(text, x, y, 0, c);\r
  85 }\r
  86 \r
  87 int SurfaceVector::drawText(const char* text, int x, int y, int width, const DrawStyle& c)\r
  88 {\r
  89         float shift=0.;\r
  90         const char *run=text;\r
  91         mbstate_t state;\r
  92         wchar_t tempo[1];\r
  93         size_t num_bytes=1;\r
  94         size_t length=strlen(text);\r
  95         memset((void*)&state,0,sizeof(state));\r
  96         command_mutex.Lock();\r
  97         num_bytes=mbrtowc(tempo, run, length, &state);\r
  98         while (num_bytes!=((size_t) -1) && num_bytes!=((size_t) -2) && length>0)\r
  99         {\r
 100                 unsigned int ref=osd->getStyleRef(c);\r
 101                 commands.push_back(SVGCommand(x+shift,y,*tempo,ref));\r
 102                 shift+=osd->getCharWidth(*tempo);\r
 103                 length -= num_bytes;\r
 104                 run += num_bytes;\r
 105                 if (shift>width && width >0) {\r
 106                         command_mutex.Unlock();\r
 107                         return 1;\r
 108                 }\r
 109                 num_bytes=mbrtowc(tempo, run, length, &state);\r
 110         }\r
 111         command_mutex.Unlock();\r
 112         return 1;\r
 113 \r
 114 }\r
 115 int SurfaceVector::drawTextRJ(const char* text, int x, int y, const DrawStyle& c)\r
 116 {\r
 117         float shift=0.;\r
 118         const char *run=text;\r
 119         mbstate_t state;\r
 120         wchar_t tempo[1];\r
 121         size_t num_bytes=1;\r
 122         size_t length=strlen(text);\r
 123         memset((void*)&state,0,sizeof(state));\r
 124 \r
 125         num_bytes=mbrtowc(tempo, run, length, &state);\r
 126         while (num_bytes!=((size_t) -1) && num_bytes!=((size_t) -2) && length>0)\r
 127         {\r
 128                 shift+=osd->getCharWidth(*tempo);\r
 129                 length -= num_bytes;\r
 130                 run += num_bytes;\r
 131                 num_bytes=mbrtowc(tempo, run, length, &state);\r
 132         }\r
 133         return drawText(text, x-shift,  y, c);\r
 134 }\r
 135 \r
 136 int SurfaceVector::drawTextCentre(const char* text, int x, int y, const DrawStyle& c)\r
 137 {\r
 138         float shift=0;\r
 139         const char *run=text;\r
 140         mbstate_t state;\r
 141         wchar_t tempo[1];\r
 142         size_t num_bytes=1;\r
 143         size_t length=strlen(text);\r
 144         memset((void*)&state,0,sizeof(state));\r
 145 \r
 146         num_bytes=mbrtowc(tempo, run, length, &state);\r
 147         while (num_bytes!=((size_t) -1) && num_bytes!=((size_t) -2) && length>0)\r
 148         {\r
 149                 shift+=osd->getCharWidth(*tempo);\r
 150                 length -= num_bytes;\r
 151                 run += num_bytes;\r
 152                 num_bytes=mbrtowc(tempo, run, length, &state);\r
 153         }\r
 154         return drawText(text, x-shift/2.,  y, c);\r
 155 }\r
 156 \r
 157 void SurfaceVector::drawJpeg(const char *fileName,int x, int y,int *width, int *height)\r
 158 {\r
 159         command_mutex.Lock();\r
 160         ImageIndex image=osd->getJpegRef(fileName,width,height);\r
 161         commands.push_back(SVGCommand(x,y,*height,*width,image,0));\r
 162         command_mutex.Unlock();\r
 163 }\r
 164 \r
 165 int SurfaceVector::create(UINT width, UINT height)\r
 166 {\r
 167         sheight=height;\r
 168         swidth=width;\r
 169         return 1;\r
 170 }\r
 171 void SurfaceVector::display()\r
 172 {\r
 173         //nothing this is really mvp specific\r
 174 }\r
 175 \r
 176 int SurfaceVector::fillblt(int x, int y, int width, int height, const DrawStyle& c)\r
 177 {\r
 178         command_mutex.Lock();\r
 179         removeCommands(x,y,width,height); // remove commands below the box\r
 180         unsigned int ref=osd->getStyleRef(c);\r
 181         commands.push_back(SVGCommand(x,y,width,height,Rectangle,ref));\r
 182         command_mutex.Unlock();\r
 183         return 1;\r
 184 \r
 185 }\r
 186 void SurfaceVector::drawHorzLine(int x1, int x2, int y, const DrawStyle& c)\r
 187 {\r
 188         command_mutex.Lock();\r
 189         unsigned int ref=osd->getStyleRef(c);\r
 190         commands.push_back(SVGCommand(x1,y,x2-x1,1,HorzLine,ref));\r
 191         command_mutex.Unlock();\r
 192 }\r
 193 \r
 194 void SurfaceVector::drawVertLine(int x, int y1, int y2, const DrawStyle& c){\r
 195         command_mutex.Lock();\r
 196         unsigned int ref=osd->getStyleRef(c);\r
 197         commands.push_back(SVGCommand(x,y1,1,y2-y1,VertLine,ref));\r
 198         command_mutex.Unlock();\r
 199 }\r
 200 \r
 201 void SurfaceVector::drawBitmap(int x, int y, const Bitmap& bm)\r
 202 {\r
 203         //this is complicated\r
 204         command_mutex.Lock();\r
 205         ImageIndex image=osd->getImageRGBA(bm.getWidth(),bm.getHeight());\r
 206         unsigned int * data=(unsigned int*)malloc(sizeof(unsigned int)*bm.getWidth());\r
 207         for (UINT j = 0; j < bm.getHeight(); ++j){\r
 208            for (UINT i = 0; i < bm.getWidth(); ++i)\r
 209            {\r
 210                    data[i]=bm.getColour(i,j);\r
 211            }\r
 212            osd->imageUploadLine(image,j,bm.getWidth(),data);\r
 213     }\r
 214         free(data);\r
 215         commands.push_back(SVGCommand(x,y,bm.getHeight(),bm.getWidth(),image,0));\r
 216         command_mutex.Unlock();\r
 217 }\r
 218 \r
 219 void SurfaceVector::drawPoint(int x, int y, DrawStyle& c, bool fastdraw){\r
 220         if (!fastdraw) command_mutex.Lock();\r
 221         unsigned int ref=osd->getStyleRef(c);\r
 222         commands.push_back(SVGCommand(x,y,1,1,Point,ref));\r
 223         if (!fastdraw)  command_mutex.Unlock();\r
 224 }\r
 225 void SurfaceVector::drawMonoBitmap(UCHAR* base, int dx, int dy, unsigned int height,unsigned int width, Colour& nextColour)\r
 226 {\r
 227         command_mutex.Lock();\r
 228         ImageIndex image=osd->getMonoBitmapRef(base,width,height);\r
 229         unsigned int ref=osd->getColorRef(nextColour);\r
 230         commands.push_back(SVGCommand(dx,dy,height,width,image,ref));\r
 231         command_mutex.Unlock();\r
 232 }\r
 233 \r
 234 \r
 235 int SurfaceVector::removeCommands(float x,float y,float width,float height)\r
 236 {\r
 237         // we iterate through all old commands in order to remove commands hidden by this rectangle\r
 238         list<SVGCommand>::iterator itty=commands.begin();\r
 239         while (itty!=commands.end())\r
 240         {\r
 241                 if ((*itty).Test(x,y,width,height) ) {\r
 242                         osd->removeStyleRef((*itty).getRef()); // We remove the Style reference, so that osd can free stuff\r
 243                         ImageIndex ii=(*itty).getImageIndex();\r
 244                         if (ii) osd->removeImageRef(ii);\r
 245                         itty=commands.erase(itty);\r
 246                 } else {\r
 247                         itty++;\r
 248                 }\r
 249         }\r
 250         return 1;\r
 251 \r
 252 }\r
 253 \r
 254 int SurfaceVector::updateToScreen(int sx, int sy, int w, int h, int dx, int dy)\r
 255 {\r
 256         // ok this method really works in a pixel oriented way\r
 257         command_mutex.Lock();\r
 258         osd->updateOrAddSurface(this,dx-sx,dy-sy,swidth,sheight,commands);\r
 259         command_mutex.Unlock();\r
 260         return 1;\r
 261 }\r
 262 \r
 263 \r
 264 /* This is for systems which need a locking of the drawing surface to speed up drawing */\r
 265 void SurfaceVector::startFastDraw() {\r
 266         command_mutex.Lock();\r
 267 }\r
 268 void SurfaceVector::endFastDraw() {\r
 269         command_mutex.Unlock();\r
 270 }\r
 271 \r
 272 \r
 273 void SurfaceVector::drawTTChar(int ox, int oy,int x, int y, cTeletextChar c)\r
 274 {\r
 275         command_mutex.Lock();\r
 276         list<SVGCommand>::iterator itty=commands.begin();\r
 277         while (itty!=commands.end())\r
 278         {\r
 279                 if ((*itty).TTTest(ox,oy,x,y) ) {\r
 280                         itty=commands.erase(itty);\r
 281                         break;\r
 282                 } else {\r
 283                         itty++;\r
 284                 }\r
 285         }\r
 286         commands.push_back(SVGCommand(ox,oy,x,y,c.getInternal()));\r
 287         command_mutex.Unlock();\r
 288 }\r