Shamusworld >> Repos - virtualjaguar/blob - src/include/zbmpop4.h

   1                 uint8   *paletteRam=&tom_ram_8[0x400];\r
   2                 paletteRam+=idx*4;\r
   3                 \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 (scaled_width)\r
  11                                         {\r
  12                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
  13                                                 if (!(cnt&(1<<16)))\r
  14                                                         c>>=4;\r
  15                                                 if (c)\r
  16                                                 {\r
  17                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[((c&0x0f)<<1)+0]);\r
  18                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[((c&0x0f)<<1)+1]);\r
  19                                                 }\r
  20                                                 else\r
  21                                                         current_line_buffer-=2;\r
  22                                                 cnt+=hscale_fixed;\r
  23                                                 scaled_width--;\r
  24                                         }\r
  25                                 }\r
  26                                 else\r
  27                                 {\r
  28                                         while (scaled_width)\r
  29                                         {\r
  30                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
  31                                                 if (!(cnt&(1<<16)))\r
  32                                                         c>>=4;\r
  33                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[((c&0x0f)<<1)+0]);\r
  34                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[((c&0x0f)<<1)+1]);\r
  35 \r
  36                                                 cnt+=hscale_fixed;\r
  37                                                 scaled_width--;\r
  38                                         }\r
  39                                 }\r
  40                         }\r
  41                         else\r
  42                         {\r
  43                                 if (flags&FLAGS_TRANSPARENT)\r
  44                                 {                                       \r
  45                                         while (scaled_width)\r
  46                                         {\r
  47                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
  48                                                 if (!(cnt&(1<<16)))\r
  49                                                         c>>=4;\r
  50                                                 if (c)\r
  51                                                 {\r
  52                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[((c&0x0f)<<1)+0]);\r
  53                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[((c&0x0f)<<1)+1]);\r
  54                                                 }\r
  55                                                 else\r
  56                                                         current_line_buffer+=2;\r
  57                                                 cnt+=hscale_fixed;\r
  58                                                 scaled_width--;\r
  59                                         }\r
  60                                 }\r
  61                                 else\r
  62                                 {\r
  63                                         while (scaled_width)\r
  64                                         {\r
  65                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
  66                                                 if (!(cnt&(1<<16)))\r
  67                                                         c>>=4;\r
  68                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[((c&0x0f)<<1)+0]);\r
  69                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[((c&0x0f)<<1)+1]);\r
  70 \r
  71                                                 cnt+=hscale_fixed;\r
  72                                                 scaled_width--;\r
  73                                         }\r
  74                                 }\r
  75                         }\r
  76                 }\r
  77                 else\r
  78                 {\r
  79                         if (flags&FLAGS_HFLIP)\r
  80                         {\r
  81                                 if (flags&FLAGS_TRANSPARENT)\r
  82                                 {                                       \r
  83                                         while (scaled_width)\r
  84                                         {\r
  85                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
  86                                                 if (!(cnt&(1<<16)))\r
  87                                                         c>>=4;\r
  88                                                 if (c)\r
  89                                                 {\r
  90                                                         *current_line_buffer--=paletteRam[((c&0x0f)<<1)+0];\r
  91                                                         *current_line_buffer--=paletteRam[((c&0x0f)<<1)+1];\r
  92                                                 }\r
  93                                                 else\r
  94                                                         current_line_buffer-=2;\r
  95                                                 cnt+=hscale_fixed;\r
  96                                                 scaled_width--;\r
  97                                         }\r
  98                                 }\r
  99                                 else\r
 100                                 {\r
 101                                         while (scaled_width)\r
 102                                         {\r
 103                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
 104                                                 if (!(cnt&(1<<16)))\r
 105                                                         c>>=4;\r
 106                                                 *current_line_buffer--=paletteRam[((c&0x0f)<<1)+0];\r
 107                                                 *current_line_buffer--=paletteRam[((c&0x0f)<<1)+1];\r
 108 \r
 109                                                 cnt+=hscale_fixed;\r
 110                                                 scaled_width--;\r
 111                                         }\r
 112                                 }\r
 113                         }\r
 114                         else\r
 115                         {\r
 116                                 if (flags&FLAGS_TRANSPARENT)\r
 117                                 {                                       \r
 118                                         while (scaled_width)\r
 119                                         {\r
 120                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
 121                                                 if (!(cnt&(1<<16)))\r
 122                                                         c>>=4;\r
 123                                                 if (c)\r
 124                                                 {\r
 125                                                         *current_line_buffer++=paletteRam[((c&0x0f)<<1)+0];\r
 126                                                         *current_line_buffer++=paletteRam[((c&0x0f)<<1)+1];\r
 127                                                 }\r
 128                                                 else\r
 129                                                         current_line_buffer+=2;\r
 130                                                 cnt+=hscale_fixed;\r
 131                                                 scaled_width--;\r
 132                                         }\r
 133                                 }\r
 134                                 else\r
 135                                 {\r
 136                                         while (scaled_width)\r
 137                                         {\r
 138                                                 uint32 c=jaguar_byte_read(ptr+(cnt>>17));\r
 139                                                 if (!(cnt&(1<<16)))\r
 140                                                         c>>=4;\r
 141                                                 *current_line_buffer++=paletteRam[((c&0x0f)<<1)+0];\r
 142                                                 *current_line_buffer++=paletteRam[((c&0x0f)<<1)+1];\r
 143 \r
 144                                                 cnt+=hscale_fixed;\r
 145                                                 scaled_width--;\r
 146                                         }\r
 147                                 }\r
 148                         }\r
 149                 }\r