INTERNALS
HISTORY
*****************************************************************************/
{
AROS_LIBFUNC_INIT
HIDDT_PixelLUT pixlut;
LONG pixwritten;
EnterFunc(bug("WritePixelArray8(%p, %d, %d, %d, %d)\n",
rp, xstart, ystart, xstop, ystop));
pixlut.entries = AROS_PALETTE_SIZE;
pixlut.pixels = IS_HIDD_BM(rp->BitMap) ? HIDD_BM_PIXTAB(rp->BitMap) : NULL;
if (!pixlut.pixels)
{
if (GetBitMapAttr(rp->BitMap, BMA_DEPTH) > 8)
{
D(bug("WritePixelArray8: Can't work on hicolor/truecolor screen without LUT"));
ReturnInt("WritePixelArray8", LONG, 0);
}
}
pixwritten = write_pixels_8(rp, array
, ((xstop - xstart + 1) + 15) & ~15 /* modulo */
, xstart, ystart
, xstop, ystop
, &pixlut
static VOID hidd2amiga_fast(struct BitMap *hidd_bm
, LONG x_src , LONG y_src
, APTR dest_info
, LONG x_dest, LONG y_dest
, ULONG xsize, ULONG ysize
, VOID (*putbuf_hook)()
)
{
ULONG tocopy_w, tocopy_h;
LONG pixels_left_to_process = xsize * ysize;
ULONG current_x, current_y, next_x, next_y;
#warning Src bitmap migh be user initialized so we should not use HIDD_BM_PIXTAB() below
HIDDT_PixelLUT pixlut = { AROS_PALETTE_SIZE, HIDD_BM_PIXTAB(hidd_bm) };
Object *bm_obj;
next_x = 0;
next_y = 0;
bm_obj = OBTAIN_HIDD_BM(hidd_bm);
if (NULL == bm_obj)
return;
LOCK_PIXBUF
while (pixels_left_to_process)
{
current_x = next_x;
current_y = next_y;
if (NUMLUTPIX < xsize)
{
/* buffer cant hold a single horizontal line, and must
divide each line into copies */
tocopy_w = xsize - current_x;
if (tocopy_w > NUMLUTPIX)
{
/* Not quite finished with current horizontal pixel line */
tocopy_w = NUMLUTPIX;
next_x += NUMLUTPIX;
}
else
{ /* Start at a new line */
next_x = 0;
next_y ++;
}
tocopy_h = 1;
}
else
{
tocopy_h = MIN(NUMLUTPIX / xsize, ysize - current_y);
tocopy_w = xsize;
next_x = 0;
next_y += tocopy_h;
}
/* Get some more pixels from the HIDD */
HIDD_BM_GetImageLUT(bm_obj
, (UBYTE *)pixel_buf
, tocopy_w
, x_src + current_x
, y_src + current_y
, tocopy_w, tocopy_h
, &pixlut);
/* Write pixels to the destination */
putbuf_hook(dest_info
, current_x + x_src
, current_y + y_src
, current_x + x_dest
, current_y + y_dest
, tocopy_w, tocopy_h
, (UBYTE *)pixel_buf
, bm_obj
, IS_HIDD_BM(hidd_bm) ? HIDD_BM_PIXTAB(hidd_bm) : NULL
);
pixels_left_to_process -= (tocopy_w * tocopy_h);
}
ULOCK_PIXBUF
RELEASE_HIDD_BM(bm_obj, hidd_bm);
return;
}
