void playlist_list_draw_string_wc(PlayList_List *pl, GdkFont *font, gint line, gint width, gchar *text)
{
GdkWChar *wtext;
int len, newlen;
/*
* Convert the string to a wide character string to avoid
* destroying multibyte strings, when converting underscores,
* "%20" etc.
*/
/*
* Allocate some extra space, we might extend it by one
* character below
*/
wtext = g_malloc((strlen(text) + 3) * sizeof(GdkWChar));
len = gdk_mbstowcs(wtext, text, strlen(text) + 1);
if (len == -1)
{
/* Conversion failed */
for (len = 0; text[len] != '\0'; len++)
wtext[len] = text[len];
}
wtext[len] = L'\0';
if (cfg.convert_underscore)
{
int i;
for (i = 0; i < len; i++)
if (wtext[i] == L'_')
wtext[i] = L' ';
}
if (cfg.convert_twenty && len > 2)
{
GdkWChar *wtmp;
while ((wtmp = find_in_wstr(wtext, "%20")) != NULL)
{
GdkWChar *wtmp2 = wtmp + 3;
*(wtmp++) = L' ';
while (*wtmp2)
*(wtmp++) = *(wtmp2++);
*wtmp = L'\0';
len -= 2;
}
}
newlen = len + 2;
while (gdk_text_width_wc(font, wtext, len) > width && len > 4)
{
/*
* First check if the string gets short enough by
* extending it with one character and then convert
* three characters to dots. If it's still too long,
* remove charaters, one by one.
*/
len = newlen--;
wtext[len - 3] = L'.';
wtext[len - 2] = L'.';
wtext[len - 1] = L'.';
wtext[len] = L'\0';
}
gdk_draw_text_wc(pl->pl_widget.parent, font, pl->pl_widget.gc,
pl->pl_widget.x,
pl->pl_widget.y + line * pl->pl_fheight + font->ascent,
wtext, len);
g_free(wtext);
}
/* subfunction of gtk_plot_gdk_draw_string(). */
static gint
drawstring(GtkPlotPC *pc,
GdkBitmap *dest,
GdkGC *gc,
GdkColor *black, GdkColor *white,
gint dx, gint dy,
GtkPSFont *psfont,
GdkFont *font,
GdkFont *latin_font,
GdkWChar wc)
{
GdkBitmap *tmp;
GdkFont *dfont;
GdkImage *image;
gint w, h, a, d, x, y, d2;
guint32 pixel;
if (psfont->i18n_latinfamily && psfont->vertical && (0 > wc || wc > 0x7f)) {
/* vertical-writing CJK postscript fonts. */
dfont = font;
w = gdk_char_width_wc(dfont, wc);
a = dfont->ascent;
d = dfont->descent;
h = a + d;
d2 = w * d / h;
tmp = gdk_pixmap_new(GTK_PLOT_GDK(pc)->window, w, h, 1);
gdk_gc_set_foreground(gc, white);
gdk_draw_rectangle(tmp, gc, TRUE, 0, 0, -1, -1);
gdk_gc_set_foreground(gc, black);
gdk_draw_text_wc(tmp, dfont, gc, 0, a, &wc, 1);
image = gdk_image_get(tmp, 0, 0, w, h);
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
pixel = gdk_image_get_pixel(image, x, y);
if (pixel == black->pixel)
gdk_draw_point(dest, gc, dx + y, dy + d2 - x);
}
}
gdk_image_destroy(image);
gdk_pixmap_unref(tmp);
return h;
} else {
/* horizontal writing */
if (psfont->i18n_latinfamily && 0 <= wc && wc <= 0x7f)
dfont = latin_font;
else
dfont = font;
gdk_draw_text_wc(dest, dfont, gc, dx, dy, &wc, 1);
w = gdk_char_width_wc(dfont, wc);
return w;
}
}
