void
writeuncompressed(int fd, Memimage *m)
{
char chanstr[32];
int bpl, y, j;
uchar *buf;
if(chantostr(chanstr, m->chan) == nil)
sysfatal("can't convert channel descriptor: %r");
fprint(fd, "%11s %11d %11d %11d %11d ",
chanstr, m->r.min.x, m->r.min.y, m->r.max.x, m->r.max.y);
bpl = bytesperline(m->r, m->depth);
buf = malloc(bpl);
if(buf == nil)
sysfatal("malloc failed: %r");
for(y=m->r.min.y; y<m->r.max.y; y++){
j = unloadmemimage(m, Rect(m->r.min.x, y, m->r.max.x, y+1), buf, bpl);
if(j != bpl)
sysfatal("image unload failed: %r");
if(write(fd, buf, bpl) != bpl)
sysfatal("write failed: %r");
}
free(buf);
}
int
memunload(Memimage *src, Rectangle r, uint8_t *data, int n)
{
Memimage *tmp;
Memlayer *dl;
Rectangle lr;
int dx;
Top:
dl = src->layer;
if(dl == nil)
return unloadmemimage(src, r, data, n);
/*
* Convert to screen coordinates.
*/
lr = r;
r.min.x += dl->delta.x;
r.min.y += dl->delta.y;
r.max.x += dl->delta.x;
r.max.y += dl->delta.y;
dx = dl->delta.x&(7/src->depth);
if(dl->clear && dx==0){
src = dl->screen->image;
goto Top;
}
/*
* src is an obscured layer or data is unaligned
*/
if(dl->save && dx==0){
if(dl->refreshfn != nil)
return -1; /* can't unload window if it's not Refbackup */
if(n > 0)
memlhide(src, r);
n = unloadmemimage(dl->save, lr, data, n);
return n;
}
tmp = allocmemimage(lr, src->chan);
if(tmp == nil)
return -1;
memdraw(tmp, lr, src, lr.min, nil, lr.min, S);
n = unloadmemimage(tmp, lr, data, n);
freememimage(tmp);
return n;
}
void
getimage(Cimage *ci, Rune *altr)
{
Rectangle r;
Memimage *mi;
Image *i, *i2;
char buf[128];
uchar *bits;
int nbits;
mi = ci->mi;
if(mi == nil) {
snprint(buf, sizeof(buf), "[%S]", altr ? altr : L"IMG");
r.min = Pt(0, 0);
r.max.x = 2*Space + stringwidth(font, buf);
r.max.y = 2*Space + font->height;
ci->i = eallocimage(display, r, GREY1, 1, DBlack);
r.min.x += Space;
r.min.y += Space;
string(ci->i, r.min, display->white, ZP, font, buf);
return;
}
nbits = bytesperline(mi->r, mi->depth)*Dy(mi->r);
bits = emalloc(nbits);
unloadmemimage(mi, mi->r, bits, nbits);
/*
/* get rid of alpha channel from transparent gif * /
if(mi->depth == 16){
for(y=1; y<nbits; y+=2)
bits[y>>1] = bits[y];
}
*/
i = eallocimage(display, mi->r, mi->chan, 0, DNofill);
loadimage(i, i->r, bits, nbits);
i2 = eallocimage(display, i->r, RGB24, 1, DNofill);
draw(i2, i2->r, display->black, nil, ZP);
draw(i2, i2->r, i, nil, i->r.min);
free(bits);
freememimage(mi);
freeimage(i);
ci->i = i2;
ci->mi = nil;
}
