/* EXTPROTO */
int
ThaiPixel2Col (rxvt_t* r, int page, int x, int y)
{
int row; /* row storing data */
int i; /* byte offset index */
int xpixel; /* dummy x pixel */
char *str; /* drawn_text pointer */
XFontStruct *wf; /* font */
/* locate buffer storing data */
row = Pixel2Row(y);
MAX_IT(row, 0);
MIN_IT(row, r->TermWin.nrow - 1);
str = PVTS(r, page)->drawn_text[row];
/* access to font structure */
wf = r->TermWin.font;
/* increase byte offset until we get to target x */
i = 0;
xpixel = FONT_WIDTH(wf, str[0]);
x -= r->TermWin.int_bwidth;
while (xpixel <= x && i < r->TermWin.ncol){
i++;
xpixel += FONT_WIDTH(wf, str[i]); /* wf->per_char[char_num].width; */
}
MAX_IT(i, 0);
MIN_IT(i, r->TermWin.ncol);
return i;
}
/* EXTPROTO */
int
rxvt_scale_pixmap(rxvt_t *r, int page, const char *geom)
{
int flags, changed = 0;
int x = 0, y = 0;
unsigned int w = 0, h = 0;
unsigned int n;
char *p, *str;
bgPixmap_t *bgpixmap = &(PVTS(r, page)->bg);
#define MAXLEN_GEOM sizeof("[1000x1000+1000+1000]")
if (geom == NULL)
return 0;
str = rxvt_malloc(MAXLEN_GEOM + 1);
if (!STRCMP(geom, "?")) {
sprintf(str, "[%dx%d+%d+%d]", /* can't presume snprintf() ! */
min(bgpixmap->w, 9999), min(bgpixmap->h, 9999),
min(bgpixmap->x, 9999), min(bgpixmap->y, 9999));
rxvt_xterm_seq(r, page, XTerm_title, str, CHAR_ST);
rxvt_free(str);
return 0;
}
if ((p = STRCHR(geom, ';')) == NULL)
p = STRCHR(geom, '\0');
n = (p - geom);
if (n <= MAXLEN_GEOM) {
STRNCPY(str, geom, n);
str[n] = '\0';
flags = XParseGeometry(str, &x, &y, &w, &h);
if (!flags) {
flags |= WidthValue;
w = 0;
} /* default is tile */
if (flags & WidthValue) {
if (!(flags & XValue))
x = 50;
if (!(flags & HeightValue))
h = w;
if (w && !h) {
w = (bgpixmap->w * w) / 100;
h = bgpixmap->h;
} else if (h && !w) {
w = bgpixmap->w;
h = (bgpixmap->h * h) / 100;
}
if (w > 1000)
w = 1000;
if (h > 1000)
h = 1000;
if (bgpixmap->w != (short)w) {
bgpixmap->w = (short)w;
changed++;
}
if (bgpixmap->h != (short)h) {
bgpixmap->h = (short)h;
changed++;
}
}
if (!(flags & YValue)) {
if (flags & XNegative)
flags |= YNegative;
y = x;
}
if (!(flags & WidthValue) && geom[0] != '=') {
x += bgpixmap->x;
y += bgpixmap->y;
} else {
if (flags & XNegative)
x += 100;
if (flags & YNegative)
y += 100;
}
MIN_IT(x, 100);
MIN_IT(y, 100);
MAX_IT(x, 0);
MAX_IT(y, 0);
if (bgpixmap->x != x) {
bgpixmap->x = x;
changed++;
}
if (bgpixmap->y != y) {
bgpixmap->y = y;
changed++;
}
}
rxvt_free(str);
return changed;
}
