int GCgettextsize(Gwidget_t * widget, Gtextline_t * tlp, int n, char *fn,
double fs, Gsize_t * gsp)
{
Gsize_t gs;
PIXsize_t ps;
GdkFont *font;
int i, dir, asc, des, rbearing, lbearing, width;
gs.x = 0, gs.y = fs;
ps = sdrawtopix(widget, gs);
if (!(font = findfont(fn, ps.y))) {
gsp->x = 1, gsp->y = 1;
return 0;
}
SETFONT(font);
for (ps.x = ps.y = 0, i = 0; i < n; i++) {
gdk_text_extents(font, tlp[i].p, tlp[i].n, &lbearing, &rbearing,
&width, &asc, &des);
ps.x = max(ps.x, width), ps.y += asc + des;
}
*gsp = spixtodraw(widget, ps);
return 0;
}
/* Returns the metrics of a string.
font : a GdkFont
text : the text to measure
text_length : the length of the text in bytes. (If the font is a
16-bit font, this is twice the length of the text in characters.)
lbearing : the left bearing of the string.
rbearing : the right bearing of the string.
width : the width of the string.
ascent : the ascent of the string.
descent : the descent of the string. */
int
clip_GDK_TEXTEXTENTS(ClipMachine * cm)
{
C_object *cfont = _fetch_co_opt(cm);
gchar * string = _clip_parc(cm,2);
gint text_length = _clip_parni(cm,3);
gint lbearing, rbearing, width, ascent, descent;
CHECKCOBJOPT(cfont,GDK_IS_FONT(cfont));
CHECKARG(2,CHARACTER_t); CHECKOPT(3,NUMERIC_t);
if (_clip_parinfo(cm,3)==UNDEF_t) text_length = strlen(string);
LOCALE_TO_UTF(string);
gdk_text_extents(GDK_FONT(cfont->object), string, text_length,
&lbearing, &rbearing, &width, &ascent, &descent);
FREE_TEXT(string);
_clip_storni(cm,lbearing,4,0);
_clip_storni(cm,rbearing,5,0);
_clip_storni(cm,width,6,0);
_clip_storni(cm,ascent,7,0);
_clip_storni(cm,descent,8,0);
return 0;
err:
return 1;
}
int GCtext(Gwidget_t * widget, Gtextline_t * tlp, int n, Gpoint_t go,
char *fn, double fs, char *justs, Ggattr_t * ap)
{
Gsize_t gs;
PIXpoint_t po;
PIXsize_t ps;
PIXrect_t pr;
Grect_t gr;
GdkFont *font;
int dir, asc, des, x = 0, y, w, h, i;
int lbearing, rbearing, width;
po = pdrawtopix(widget, go);
gs.x = 0, gs.y = fs;
ps = sdrawtopix(widget, gs);
if (!(font = findfont(fn, ps.y))) {
printf("NO FONT\n");
gdk_draw_rectangle(widget->w, GC, FALSE, po.x, po.y, 1, 1);
return 0;
}
setgattr(widget, ap);
SETFONT(font);
for (w = h = 0, i = 0; i < n; i++) {
gdk_text_extents(font, tlp[i].p, tlp[i].n, &lbearing, &rbearing,
&width, &asc, &des);
tlp[i].w = width, tlp[i].h = asc + des;
w = max(w, width), h += asc + des;
}
switch (justs[0]) {
case 'l':
po.x += w / 2;
break;
case 'r':
po.x -= w / 2;
break;
}
switch (justs[1]) {
case 'd':
po.y -= h;
break;
case 'c':
po.y -= h / 2;
break;
}
pr.o.x = po.x - w / 2, pr.o.y = po.y;
pr.c.x = po.x + w / 2, pr.c.y = po.y + h;
gr = rpixtodraw(widget, pr);
/* if(!ISVISIBLE(gr))
return 1;
*/
for (i = 0; i < n; i++) {
switch (tlp[i].j) {
case 'l':
x = po.x - w / 2;
break;
case 'n':
x = po.x - tlp[i].w / 2;
break;
case 'r':
x = po.x - (tlp[i].w - w / 2);
break;
}
y = po.y + (i + 1) * tlp[i].h - des;
gdk_draw_text(widget->w->window, font, GC, x, y, tlp[i].p,
tlp[i].n);
}
return 0;
}
