/**
* Convert a palette-independent value to a hardware color
*
* @param psd Screen device
* @param c 24-bit RGB color.
* @return Hardware-specific color.
*/
MWPIXELVAL
GdFindColor(PSD psd, MWCOLORVAL c)
{
/*
* Handle truecolor displays.
*/
switch(psd->pixtype) {
case MWPF_TRUECOLOR8888:
/* create 32 bit ARGB pixel (0xAARRGGBB) from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXEL8888(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL8888(c);
case MWPF_TRUECOLORABGR:
/* create 32 bit ABGR pixel (0xAABBGGRR) from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXELABGR(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXELABGR(c);
case MWPF_TRUECOLOR888:
/* create 24 bit 0RGB pixel (0x00RRGGBB) from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXEL888(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL888(c);
case MWPF_TRUECOLOR565:
/* create 16 bit RGB5/6/5 format pixel from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXEL565(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL565(c);
case MWPF_TRUECOLOR555:
/* create 16 bit RGB5/5/5 format pixel from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXEL555(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL555(c);
case MWPF_TRUECOLOR1555:
/* create 16 bit RGB5/5/5 format pixel from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXEL1555(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL1555(c);
case MWPF_TRUECOLOR332:
/* create 8 bit RGB3/3/2 format pixel from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXEL332(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL332(c);
case MWPF_TRUECOLOR233:
/* create 8 bit BGR2/3/3 format pixel from ABGR colorval (0xAABBGGRR)*/
/*RGB2PIXEL332(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL233(c);
}
/* case MWPF_PALETTE: must be running 1, 2, 4 or 8 bit palette*/
/* handle 1bpp pixmaps, not running in palette mode*/
if (psd->ncolors == 2 && scrdev.pixtype != MWPF_PALETTE)
return c & 1;
/* search palette for closest match*/
return GdFindNearestColor(gr_palette, (int)psd->ncolors, c);
}
/*
* Convert a palette-independent value to a hardware color
*/
MWPIXELVAL
GdFindColor(MWCOLORVAL c)
{
/*
* Handle truecolor displays. Note that the MWF_PALINDEX
* bit is ignored when running truecolor drivers.
*/
switch(gr_pixtype) {
case MWPF_TRUECOLOR0888:
case MWPF_TRUECOLOR888:
/* create 24 bit 8/8/8 pixel (0x00RRGGBB) from RGB colorval*/
/*RGB2PIXEL888(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL888(c);
case MWPF_TRUECOLOR565:
/* create 16 bit 5/6/5 format pixel from RGB colorval*/
/*RGB2PIXEL565(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL565(c);
case MWPF_TRUECOLOR555:
/* create 16 bit 5/5/5 format pixel from RGB colorval*/
/*RGB2PIXEL555(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL555(c);
case MWPF_TRUECOLOR332:
/* create 8 bit 3/3/2 format pixel from RGB colorval*/
/*RGB2PIXEL332(REDVALUE(c), GREENVALUE(c), BLUEVALUE(c))*/
return COLOR2PIXEL332(c);
}
/* case MWPF_PALETTE: must be running 1, 2, 4 or 8 bit palette*/
/*
* Check if color is a palette index. Note that the index
* isn't error checked against the system palette, for speed.
*/
if(c & MWF_PALINDEX)
return (c & 0xff);
/* search palette for closest match*/
return GdFindNearestColor(gr_palette, (int)gr_ncolors, c);
}
