--- ray/src/px/x11image.c 1991/05/03 09:49:02 1.18 +++ ray/src/px/x11image.c 1991/05/03 13:28:39 1.22 @@ -246,9 +246,9 @@ init() /* get data and open window */ XSetFont(thedisplay, ourgc, fontid); revgc = XCreateGC(thedisplay, wind, 0, 0); XSetFunction(thedisplay, revgc, GXinvert); - XStoreName(thedisplay, wind, fname == NULL ? progname : fname); XDefineCursor(thedisplay, wind, XCreateFontCursor(thedisplay, XC_diamond_cross)); + XStoreName(thedisplay, wind, fname == NULL ? progname : fname); if (geometry != NULL) { bzero((char *)&oursizhints, sizeof(oursizhints)); i = XParseGeometry(geometry, &oursizhints.x, &oursizhints.y, @@ -652,10 +652,11 @@ add2icon(y, scan) /* add a scanline to our icon data int y; COLR *scan; { - static char *dp = NULL; static short cerr[ICONSIZ]; + static int ynext; + static char *dp; register int err; - register int x, xi; + register int x, ti; if (iconheight == 0) { /* initialize */ if (xmax <= ICONSIZ && ymax <= ICONSIZ) { @@ -668,26 +669,24 @@ COLR *scan; iconwidth = ICONSIZ*xmax/ymax; iconheight = ICONSIZ; } + ynext = 0; dp = icondata - 1; } - if (dp == NULL) /* done already */ + if (y < ynext*ymax/iconheight) /* skip this one */ return; - if (y % (ymax/iconheight)) /* skip this one */ - return; err = 0; for (x = 0; x < iconwidth; x++) { if (!(x&7)) *++dp = 0; - xi = x*xmax/iconwidth; - err += normbright(scan[xi]) + cerr[x]; + ti = x*xmax/iconwidth; + err += normbright(scan[ti]) + cerr[x]; if (err > 127) err -= 255; else *dp |= 1<<(x&07); cerr[x] = err >>= 1; } - if (y >= ymax - ymax/iconheight) /* all done */ - dp = NULL; + ynext++; }