diff options
Diffstat (limited to 'gfx.cpp')
| -rw-r--r-- | gfx.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
@@ -1998,4 +1998,95 @@ int Scumm::remapPaletteColor(byte r, byte g, byte b, uint threshold) { void Scumm::setupShadowPalette(int slot,int rfact,int gfact,int bfact,int from,int to) { +} + +void Scumm::drawBomp(BompDrawData *bd) { + byte *dest = bd->out + bd->y * bd->outwidth, *src; + int h = bd->srcheight; + bool inside; + + if (h==0 || bd->srcwidth==0) + return; + + inside = (bd->x>=0) && (bd->y>=0) && + (bd->x <= bd->outwidth - bd->srcwidth) && + (bd->y <= bd->outheight - bd->srcheight); + assert(_objs[2].obj_nr == 36); + + if (1 || bd->scale_x==255 && bd->scale_y==255) { + /* Routine used when no scaling is needed */ + if (inside) { + dest += bd->x; + src = bd->dataptr; + do { + byte code,color; + uint len = bd->srcwidth, num, i; + byte *d = dest; + src += 2; + do { + code = *src++; + num = (code>>1)+1; + if (num>len) num=len; + len -= num; + if (code&1) { + color = *src++; + if (color!=255) { + do *d++ = color; while (--num); + } else { + d += num; + } + } else { + for(i=0;i<num; i++) + if ( (color=src[i]) != 255) + d[i] = color; + d += num; + src += num; + } + } while (len); + dest += bd->outwidth; + } while (--h); + } else { + uint y = bd->y; + src = bd->dataptr; + + do { + byte color,code; + uint len, num; + uint x; + if ((uint)y >= (uint)bd->outheight) { + src += READ_LE_UINT16(src) + 2; + continue; + } + len = bd->srcwidth; + x = bd->x; + + src += 2; + do { + byte code = *src++; + num = (code>>1)+1; + if (num>len) num=len; + len -= num; + if (code&1) { + if ((color = *src++)!=255) { + do { + if ((uint)x < (uint)bd->outwidth) + dest[x] = color; + } while (++x,--num); + } else { + x += num; + } + } else { + do { + if ((color=*src++) != 255 && (uint)x < (uint)bd->outwidth) + dest[x] = color; + } while (++x,--num); + } + } while (len); + } while (dest += bd->outwidth,y++,--h); + } + } else { + /* scaling of bomp images not supported yet */ + } + CHECK_HEAP + assert(_objs[2].obj_nr == 36); }
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