/*
* Copy the parameters (except GC of course) from one cache record to another.
*/
void
copyCgs(XtermWidget xw, VTwin *cgsWin, CgsEnum dstCgsId, CgsEnum srcCgsId)
{
if (dstCgsId != srcCgsId) {
CgsCache *me;
if ((me = myCache(xw, cgsWin, srcCgsId)) != 0) {
TRACE(("copyCgs from %s to %s\n",
traceCgsEnum(srcCgsId),
traceCgsEnum(dstCgsId)));
TRACE2(("copyCgs from %s (me %p, fg %s, bg %s, cset %s) to %s {{\n",
traceCgsEnum(srcCgsId),
me,
tracePixel(xw, THIS(fg)),
tracePixel(xw, THIS(bg)),
traceCSet(THIS(cset)),
traceCgsEnum(dstCgsId)));
setCgsCSet(xw, cgsWin, dstCgsId, THIS(cset));
setCgsFore(xw, cgsWin, dstCgsId, THIS(fg));
setCgsBack(xw, cgsWin, dstCgsId, THIS(bg));
setCgsFont(xw, cgsWin, dstCgsId, THIS(font));
TRACE2(("...copyCgs }}\n"));
}
}
}
static GC
chgCache(XtermWidget xw, CgsEnum cgsId GCC_UNUSED, CgsCache * me, Bool both)
{
XGCValues xgcv;
XtGCMask mask = (GCForeground | GCBackground | GCFont);
memset(&xgcv, 0, sizeof(xgcv));
TRACE2(("chgCache(%s) old data fg=%s, bg=%s, font=%s cset %s\n",
traceCgsEnum(cgsId),
tracePixel(xw, THIS(fg)),
tracePixel(xw, THIS(bg)),
traceFont(THIS(font)),
traceCSet(THIS(cset))));
#if OPT_TRACE > 1
if (!SameFont(THIS(font), NEXT(font)))
TRACE2(("...chgCache new font=%s\n", traceFont(NEXT(font))));
if (!SameCSet(THIS(cset), NEXT(cset)))
TRACE2(("...chgCache new cset=%s\n", traceCSet(NEXT(cset))));
if (!SameColor(THIS(fg), NEXT(fg)))
TRACE2(("...chgCache new fg=%s\n", tracePixel(xw, NEXT(fg))));
if (!SameColor(THIS(bg), NEXT(bg)))
TRACE2(("...chgCache new bg=%s\n", tracePixel(xw, NEXT(bg))));
#endif
if (both) {
THIS(font) = NEXT(font);
THIS(cset) = NEXT(cset);
}
THIS(fg) = NEXT(fg);
THIS(bg) = NEXT(bg);
xgcv.font = THIS(font)->fs->fid;
xgcv.foreground = THIS(fg);
xgcv.background = THIS(bg);
XChangeGC(myDisplay(xw), THIS(gc), mask, &xgcv);
TRACE2(("...chgCache(%s) updated gc %p(%d)\n",
traceCgsEnum(cgsId), THIS(gc), ITEM()));
THIS(used) = 0;
return THIS(gc);
}
void RayTracer::traceLines( int start, int stop )
{
vec3f col;
if( !scene )
return;
if( stop > buffer_height )
stop = buffer_height;
for( int j = start; j < stop; ++j )
for( int i = 0; i < buffer_width; ++i )
tracePixel(i,j);
}
/*
* Return a GC associated with the given id, allocating if needed.
*/
GC
getCgsGC(XtermWidget xw, VTwin *cgsWin, CgsEnum cgsId)
{
CgsCache *me;
GC result = 0;
int j, k;
unsigned used = 0;
if ((me = myCache(xw, cgsWin, cgsId)) != 0) {
TRACE2(("getCgsGC(%s, %s)\n",
traceVTwin(xw, cgsWin), traceCgsEnum(cgsId)));
if (me->mask != 0) {
/* fill in the unchanged fields */
if (!(me->mask & GC_CSet))
NEXT(cset) = 0; /* OPT_DEC_CHRSET */
if (!(me->mask & GCFont))
NEXT(font) = THIS(font);
if (!(me->mask & GCForeground))
NEXT(fg) = THIS(fg);
if (!(me->mask & GCBackground))
NEXT(bg) = THIS(bg);
if (NEXT(font) == 0) {
setCgsFont(xw, cgsWin, cgsId, 0);
}
TRACE2(("...Cgs new data fg=%s, bg=%s, font=%s cset %s\n",
tracePixel(xw, NEXT(fg)),
tracePixel(xw, NEXT(bg)),
traceFont(NEXT(font)),
traceCSet(NEXT(cset))));
/* try to find the given data in an already-created GC */
for (j = 0; j < DEPTH; ++j) {
if (LIST(j).gc != 0
&& SameFont(LIST(j).font, NEXT(font))
&& SameCSet(LIST(j).cset, NEXT(cset))
&& SameColor(LIST(j).fg, NEXT(fg))
&& SameColor(LIST(j).bg, NEXT(bg))) {
LINK(j);
result = THIS(gc);
TRACE2(("getCgsGC existing %p(%d)\n", result, ITEM()));
break;
}
}
if (result == 0) {
/* try to find an empty slot, to create a new GC */
used = 0;
for (j = 0; j < DEPTH; ++j) {
if (LIST(j).gc == 0) {
LINK(j);
result = newCache(xw, cgsWin, cgsId, me);
break;
}
if (used < LIST(j).used)
used = LIST(j).used;
}
}
if (result == 0) {
/* if none were empty, pick the least-used slot, to modify */
for (j = 0, k = -1; j < DEPTH; ++j) {
if (used >= LIST(j).used) {
used = LIST(j).used;
k = j;
}
}
LINK(k);
TRACE2(("...getCgsGC least-used(%d) was %d\n", k, THIS(used)));
result = chgCache(xw, cgsId, me, True);
}
me->next = *(me->data);
} else {
result = THIS(gc);
}
me->mask = 0;
THIS(used) += 1;
TRACE2(("...getCgsGC(%s, %s) gc %p(%d), used %d\n",
traceVTwin(xw, cgsWin),
traceCgsEnum(cgsId), result, ITEM(), THIS(used)));
}
return result;
}
