Shamusworld >> Repos - virtualjaguar/blob - src/include/fbmpop4p.h

   1                 int count=0;\r
   2                 uint32 c;\r
   3                 paletteRam+=idx*4;\r
   4                 if (flags&FLAGS_READMODIFY)\r
   5                 {\r
   6                         if (flags&FLAGS_HFLIP)\r
   7                         {\r
   8                                 if (flags&FLAGS_TRANSPARENT)\r
   9                                 {\r
  10                                         while (iwidth)\r
  11                                         {\r
  12                                                 c=jaguar_byte_read(ptr++);\r
  13                                                 uint32 cl=c>>4;\r
  14                                                 uint32 ch=c&0x0f;\r
  15                                                 if (cl)\r
  16                                                 {\r
  17                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);\r
  18                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);\r
  19                                                 }\r
  20                                                 else\r
  21                                                         current_line_buffer-=2;\r
  22                                                 if (ch)\r
  23                                                 {\r
  24                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);\r
  25                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);\r
  26                                                 }\r
  27                                                 else\r
  28                                                         current_line_buffer-=2;\r
  29                                                 count+=1;\r
  30                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
  31                                                 {\r
  32                                                         ptr-=8*(pitch-1);\r
  33                                                         count=0;\r
  34                                                 }\r
  35                                                 iwidth--;\r
  36                                         }\r
  37                                 }\r
  38                                 else\r
  39                                 {\r
  40                                         while (iwidth)\r
  41                                         {\r
  42                                                 c=jaguar_byte_read(ptr++);\r
  43                                                 uint32 cl=c>>4;\r
  44                                                 uint32 ch=c&0x0f;\r
  45                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);\r
  46                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);\r
  47                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);\r
  48                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);\r
  49                                                 count+=1;\r
  50                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
  51                                                 {\r
  52                                                         ptr-=8*(pitch-1);\r
  53                                                         count=0;\r
  54                                                 }\r
  55                                                 iwidth--;\r
  56                                         }\r
  57                                 }\r
  58                         }\r
  59                         else\r
  60                         {\r
  61                                 if (flags&FLAGS_TRANSPARENT)\r
  62                                 {\r
  63                                         while (iwidth)\r
  64                                         {\r
  65                                                 c=jaguar_byte_read(ptr++);\r
  66                                                 uint32 cl=c>>4;\r
  67                                                 uint32 ch=c&0x0f;\r
  68                                                 if (cl)\r
  69                                                 {\r
  70                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);\r
  71                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);\r
  72                                                 }\r
  73                                                 else\r
  74                                                         current_line_buffer+=2;\r
  75                                                 if (ch)\r
  76                                                 {\r
  77                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);\r
  78                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);\r
  79                                                 }\r
  80                                                 else\r
  81                                                         current_line_buffer+=2;\r
  82                                                 count+=1;\r
  83                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
  84                                                 {\r
  85                                                         ptr+=8*(pitch-1);\r
  86                                                         count=0;\r
  87                                                 }\r
  88                                                 iwidth--;\r
  89                                         }\r
  90                                 }\r
  91                                 else\r
  92                                 {\r
  93                                         while (iwidth)\r
  94                                         {\r
  95                                                 c=jaguar_byte_read(ptr++);\r
  96                                                 uint32 cl=c>>4;\r
  97                                                 uint32 ch=c&0x0f;\r
  98                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);\r
  99                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);\r
 100                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);\r
 101                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);\r
 102                                                 iwidth--;\r
 103                                                 count+=1;\r
 104                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
 105                                                 {\r
 106                                                         ptr+=8*(pitch-1);\r
 107                                                         count=0;\r
 108                                                 }\r
 109                                         }\r
 110                                 }\r
 111                         }\r
 112                 }\r
 113                 else\r
 114                 {\r
 115                         if (flags&FLAGS_HFLIP)\r
 116                         {\r
 117                                 if (flags&FLAGS_TRANSPARENT)\r
 118                                 {\r
 119                                         while (iwidth)\r
 120                                         {\r
 121                                                 c=jaguar_byte_read(ptr++);\r
 122                                                 uint32 cl=c>>4;\r
 123                                                 uint32 ch=c&0x0f;\r
 124                                                 if (cl)\r
 125                                                 {\r
 126                                                         *current_line_buffer--=paletteRam[(cl<<1)+0];\r
 127                                                         *current_line_buffer--=paletteRam[(cl<<1)+1];\r
 128                                                 }\r
 129                                                 else\r
 130                                                         current_line_buffer-=2;\r
 131                                                 if (ch)\r
 132                                                 {\r
 133                                                         *current_line_buffer--=paletteRam[(ch<<1)+0];\r
 134                                                         *current_line_buffer--=paletteRam[(ch<<1)+1];\r
 135                                                 }\r
 136                                                 else\r
 137                                                         current_line_buffer-=2;\r
 138                                                 count+=1;\r
 139                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
 140                                                 {\r
 141                                                         ptr-=8*(pitch-1);\r
 142                                                         count=0;\r
 143                                                 }\r
 144                                                 iwidth--;\r
 145                                         }\r
 146                                 }\r
 147                                 else\r
 148                                 {\r
 149                                         while (iwidth)\r
 150                                         {\r
 151                                                 c=jaguar_byte_read(ptr++);\r
 152                                                 uint32 cl=c>>4;\r
 153                                                 uint32 ch=c&0x0f;\r
 154                                                 *current_line_buffer--=paletteRam[(cl<<1)+0];\r
 155                                                 *current_line_buffer--=paletteRam[(cl<<1)+1];\r
 156                                                 *current_line_buffer--=paletteRam[(ch<<1)+0];\r
 157                                                 *current_line_buffer--=paletteRam[(ch<<1)+1];\r
 158                                                 count+=1;\r
 159                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
 160                                                 {\r
 161                                                         ptr-=8*(pitch-1);\r
 162                                                         count=0;\r
 163                                                 }\r
 164                                                 iwidth--;\r
 165                                         }\r
 166                                 }\r
 167                         }\r
 168                         else\r
 169                         {\r
 170                                 if (flags&FLAGS_TRANSPARENT)\r
 171                                 {\r
 172                                         while (iwidth)\r
 173                                         {\r
 174                                                 c=jaguar_byte_read(ptr++);\r
 175                                                 uint32 cl=c>>4;\r
 176                                                 uint32 ch=c&0x0f;\r
 177                                                 if (cl)\r
 178                                                 {\r
 179                                                         *current_line_buffer++=paletteRam[(cl<<1)+0];\r
 180                                                         *current_line_buffer++=paletteRam[(cl<<1)+1];\r
 181                                                 }\r
 182                                                 else\r
 183                                                         current_line_buffer+=2;\r
 184                                                 if (ch)\r
 185                                                 {\r
 186                                                         *current_line_buffer++=paletteRam[(ch<<1)+0];\r
 187                                                         *current_line_buffer++=paletteRam[(ch<<1)+1];\r
 188                                                 }\r
 189                                                 else\r
 190                                                         current_line_buffer+=2;\r
 191                                                 count+=1;\r
 192                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
 193                                                 {\r
 194                                                         ptr+=8*(pitch-1);\r
 195                                                         count=0;\r
 196                                                 }\r
 197                                                 iwidth--;\r
 198                                         }\r
 199                                 }\r
 200                                 else\r
 201                                 {\r
 202                                         while (iwidth)\r
 203                                         {\r
 204                                                 c=jaguar_byte_read(ptr++);\r
 205                                                 uint32 cl=c>>4;\r
 206                                                 uint32 ch=c&0x0f;\r
 207                                                 *current_line_buffer++=paletteRam[(cl<<1)+0];\r
 208                                                 *current_line_buffer++=paletteRam[(cl<<1)+1];\r
 209                                                 *current_line_buffer++=paletteRam[(ch<<1)+0];\r
 210                                                 *current_line_buffer++=paletteRam[(ch<<1)+1];\r
 211                                                 count+=1;\r
 212                                                 if (count==8) // 8 bytes = a phrase (64 bits)\r
 213                                                 {\r
 214                                                         ptr+=8*(pitch-1);\r
 215                                                         count=0;\r
 216                                                 }\r
 217                                                 iwidth--;\r
 218                                         }\r
 219                                 }\r
 220                         }\r
 221                 }\r