Initial revision

[virtualjaguar] / src / include / fbmpop4p.h

diff --git a/src/include/fbmpop4p.h b/src/include/fbmpop4p.h
new file mode 100644 (file)
index 0000000..ec2091d
--- /dev/null
+++ b/src/include/fbmpop4p.h
@@ -0,0 +1,221 @@
+               int count=0;
+               uint32 c;
+               paletteRam+=idx*4;
+               if (flags&FLAGS_READMODIFY)
+               {
+                       if (flags&FLAGS_HFLIP)
+                       {
+                               if (flags&FLAGS_TRANSPARENT)
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               if (cl)
+                                               {
+                                                       *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);
+                                                       *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);
+                                               }
+                                               else
+                                                       current_line_buffer-=2;
+                                               if (ch)
+                                               {
+                                                       *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);
+                                                       *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);
+                                               }
+                                               else
+                                                       current_line_buffer-=2;
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr-=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                               iwidth--;
+                                       }
+                               }
+                               else
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);
+                                               *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);
+                                               *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);
+                                               *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr-=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                               iwidth--;
+                                       }
+                               }
+                       }
+                       else
+                       {
+                               if (flags&FLAGS_TRANSPARENT)
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               if (cl)
+                                               {
+                                                       *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);
+                                                       *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);
+                                               }
+                                               else
+                                                       current_line_buffer+=2;
+                                               if (ch)
+                                               {
+                                                       *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);
+                                                       *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);
+                                               }
+                                               else
+                                                       current_line_buffer+=2;
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr+=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                               iwidth--;
+                                       }
+                               }
+                               else
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(cl<<1)+0]);
+                                               *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(cl<<1)+1]);
+                                               *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(ch<<1)+0]);
+                                               *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(ch<<1)+1]);
+                                               iwidth--;
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr+=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                       }
+                               }
+                       }
+               }
+               else
+               {
+                       if (flags&FLAGS_HFLIP)
+                       {
+                               if (flags&FLAGS_TRANSPARENT)
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               if (cl)
+                                               {
+                                                       *current_line_buffer--=paletteRam[(cl<<1)+0];
+                                                       *current_line_buffer--=paletteRam[(cl<<1)+1];
+                                               }
+                                               else
+                                                       current_line_buffer-=2;
+                                               if (ch)
+                                               {
+                                                       *current_line_buffer--=paletteRam[(ch<<1)+0];
+                                                       *current_line_buffer--=paletteRam[(ch<<1)+1];
+                                               }
+                                               else
+                                                       current_line_buffer-=2;
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr-=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                               iwidth--;
+                                       }
+                               }
+                               else
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               *current_line_buffer--=paletteRam[(cl<<1)+0];
+                                               *current_line_buffer--=paletteRam[(cl<<1)+1];
+                                               *current_line_buffer--=paletteRam[(ch<<1)+0];
+                                               *current_line_buffer--=paletteRam[(ch<<1)+1];
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr-=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                               iwidth--;
+                                       }
+                               }
+                       }
+                       else
+                       {
+                               if (flags&FLAGS_TRANSPARENT)
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               if (cl)
+                                               {
+                                                       *current_line_buffer++=paletteRam[(cl<<1)+0];
+                                                       *current_line_buffer++=paletteRam[(cl<<1)+1];
+                                               }
+                                               else
+                                                       current_line_buffer+=2;
+                                               if (ch)
+                                               {
+                                                       *current_line_buffer++=paletteRam[(ch<<1)+0];
+                                                       *current_line_buffer++=paletteRam[(ch<<1)+1];
+                                               }
+                                               else
+                                                       current_line_buffer+=2;
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr+=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                               iwidth--;
+                                       }
+                               }
+                               else
+                               {
+                                       while (iwidth)
+                                       {
+                                               c=jaguar_byte_read(ptr++);
+                                               uint32 cl=c>>4;
+                                               uint32 ch=c&0x0f;
+                                               *current_line_buffer++=paletteRam[(cl<<1)+0];
+                                               *current_line_buffer++=paletteRam[(cl<<1)+1];
+                                               *current_line_buffer++=paletteRam[(ch<<1)+0];
+                                               *current_line_buffer++=paletteRam[(ch<<1)+1];
+                                               count+=1;
+                                               if (count==8) // 8 bytes = a phrase (64 bits)
+                                               {
+                                                       ptr+=8*(pitch-1);
+                                                       count=0;
+                                               }
+                                               iwidth--;
+                                       }
+                               }
+                       }
+               }