int Fenetre::hauteurTexte(const char *texte) const {
if (!existe) return -1;
int lb,rb,w,as,de;
gdk_string_extents (fonte, texte, &lb, &rb, &w, &as, &de);
traiteEvenements();
return as+de; // hauteur du texte en pixels
}
// Méthodes pour écrire du texte et des entiers dans une fenêtre
void Fenetre::ecrit(int x, int y, const char * texte) {
if (existe) {
gdk_gc_set_rgb_fg_color(fenetre->style->fg_gc[GTK_STATE_NORMAL],&stylo);
int lb,rb,w,as,de;
gdk_string_extents (fonte, texte, &lb, &rb, &w, &as, &de);
gdk_draw_string (dessin, fonte,
fenetre->style->fg_gc[GTK_WIDGET_STATE (fenetre)],x,y-de,texte);
gtk_widget_queue_draw(fenetre); // provoquer l'affichage
traiteEvenements();
}
}
void VisualTextExtents (KinoFont *font, char *text,
int *width, int *lbearing, int *rbearing, int *ascent, int *descent)
{
if (font)
{
gdk_string_extents ((GdkFont *) font, text,
lbearing, rbearing, width, ascent, descent);
}
else
{
*width = 0;
*lbearing = 0;
*rbearing = 0;
*ascent = 0;
*descent = 0;
}
}
/* Returns the metrics of a NULL-terminated string.
font : a GdkFont.
string : the NULL-terminated string to measure.
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_STRINGEXTENTS(ClipMachine * cm)
{
C_object *cfont = _fetch_co_opt(cm);
gchar * string = _clip_parc(cm,2);
gint lbearing, rbearing, width, ascent, descent;
CHECKCOBJOPT(cfont,GDK_IS_FONT(cfont));
CHECKARG(2,CHARACTER_t);
LOCALE_TO_UTF(string);
gdk_string_extents(GDK_FONT(cfont->object), string,
&lbearing, &rbearing, &width, &ascent, &descent);
FREE_TEXT(string);
_clip_storni(cm,lbearing,3,0);
_clip_storni(cm,rbearing,4,0);
_clip_storni(cm,width,5,0);
_clip_storni(cm,ascent,6,0);
_clip_storni(cm,descent,7,0);
return 0;
err:
return 1;
}
