void Dither32Bit::ditherImageColor32(unsigned char* lum,
unsigned char* cr,
unsigned char* cb,
unsigned char* out,
int rows,
int cols,
int mod) {
int L;
int n;
int rowWork;
int colWork;
unsigned int *row1, *row2;
unsigned char *lum2;
PIXVAL* local_r_2_pix;
PIXVAL* local_g_2_pix;
PIXVAL* local_b_2_pix;
row1 = (unsigned int *)out;
row2 = row1+cols+mod;
lum2 = lum+cols;
// because the width/height are a multiply of a macroblocksize
// cols/rows always are even
colWork=cols>>1;
rowWork=rows>>1;
mod=cols+2*mod;
while(rowWork--) {
n=colWork;
while(n--) {
local_r_2_pix=r_2_pix+Cr_r_tab[*cr];
local_g_2_pix=g_2_pix+Cr_g_tab[*cr++] + Cb_g_tab[*cb];
local_b_2_pix=b_2_pix+Cb_b_tab[*cb++];
L = L_tab[*lum++];
doRow(row1,L);
L = L_tab[*lum++];
doRow(row1,L);
L = L_tab [*lum2++];
doRow(row2,L);
L = L_tab [*lum2++];
doRow(row2,L);
}
row2 += mod;
lum += cols;
lum2 += cols;
row1 += mod;
}
}
void* RenderThread::run()
{
while (1)
{
std::auto_ptr<WorkItem> wi(img->wq.waitForItem());
RowWorkItem* rwi = NULL;
QuitWorkItem* qwi = NULL;
if ((rwi = dynamic_cast<RowWorkItem*>(wi.get())))
{
doRow(rwi->row);
}
else if ((qwi = dynamic_cast<QuitWorkItem*>(wi.get())))
{
break;
}
else
{
gf_a(0);
}
}
return NULL;
}
void Fixture::doRows(Parse *rows)
{
while (rows) {
Parse *more = rows->more;
doRow(rows);
rows = more;
}
}
