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#define _E_FONT_C_
/*
* e-font
*
* Temporary wrappers around GdkFonts to get unicode displaying
*
* Author: Lauris Kaplinski <lauris@helixcode.com>
*
* Copyright (C) 2000 Helix Code, Inc.
*
*/
#include <unicode.h>
#include "e-font.h"
struct _EFont {
GdkFont font;
};
EFont *
e_font_from_gdk_name (const gchar *name)
{
GdkFont *font;
font = gdk_fontset_load (name);
return (EFont *) font;
}
EFont *
e_font_from_gdk_font (GdkFont *font)
{
gdk_font_ref (font);
return (EFont *) font;
}
void
e_font_ref (EFont *font)
{
gdk_font_ref (&font->font);
}
void
e_font_unref (EFont *font)
{
gdk_font_unref (&font->font);
}
gint
e_font_ascent (EFont * font)
{
return font->font.ascent;
}
gint
e_font_descent (EFont * font)
{
return font->font.descent;
}
void
e_font_draw_utf8_text (GdkDrawable *drawable, EFont *font, EFontStyle style, GdkGC *gc, gint x, gint y, gchar *text, gint numbytes)
{
guchar *iso;
gchar *p;
gint uni, len;
g_return_if_fail (drawable != NULL);
g_return_if_fail (font != NULL);
g_return_if_fail (gc != NULL);
g_return_if_fail (text != NULL);
if (numbytes < 1) return;
iso = alloca (numbytes);
for (len = 0, p = text; p != NULL && p < (text + numbytes); len++, p = unicode_next_utf8 (p)) {
unicode_get_utf8 (p, &uni);
if ((uni < ' ') || (uni > 255)) uni = ' ';
iso[len] = uni;
}
gdk_draw_text (drawable, &font->font, gc, x, y, iso, len);
if (style & E_FONT_BOLD)
gdk_draw_text (drawable, &font->font, gc, x + 1, y, iso, len);
}
gint
e_font_utf8_text_width (EFont *font, EFontStyle style, char *text, int numbytes)
{
guchar *iso;
gchar *p;
gint uni, len;
iso = alloca (numbytes);
for (len = 0, p = text; p != NULL && p < (text + numbytes); len++, p = unicode_next_utf8 (p)) {
unicode_get_utf8 (p, &uni);
if ((uni < ' ') || (uni > 255)) uni = ' ';
iso[len] = uni;
}
return gdk_text_width (&font->font, iso, len);
}
gint
e_font_utf8_char_width (EFont *font, EFontStyle style, char *text)
{
unicode_char_t uni;
guchar iso;
if (!unicode_get_utf8 (text, &uni)) return 0;
if ((uni < ' ') || (uni > 255)) uni = ' ';
iso = uni;
return gdk_text_width (&font->font, &iso, 1);
}
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