PangoContext* wxApp::GetPangoContext()
{
static PangoContext *s_pangoContext = NULL;
if ( !s_pangoContext )
{
Display *dpy = wxGlobalDisplay();
#ifdef HAVE_PANGO_XFT
int xscreen = DefaultScreen(dpy);
static int use_xft = -1;
if (use_xft == -1)
{
wxString val = wxGetenv( L"GDK_USE_XFT" );
use_xft = val == L"1";
}
if (use_xft)
s_pangoContext = pango_xft_get_context(dpy, xscreen);
else
#endif // HAVE_PANGO_XFT
s_pangoContext = pango_x_get_context(dpy);
if (!PANGO_IS_CONTEXT(s_pangoContext))
{
wxLogError( wxT("No pango context.") );
}
}
return s_pangoContext;
}
static int
_pango_xft_Load(TextState * ts, const char *name)
{
FontCtxPangoXft *fdc;
PangoFontDescription *font;
PangoFontMask flags;
if (!_pango_ctx)
_pango_ctx = pango_xft_get_context(disp, Dpy.screen);
if (!_pango_ctx)
return -1;
font = pango_font_description_from_string(name);
if (!font)
return -1;
flags = pango_font_description_get_set_fields(font);
if ((flags & PANGO_FONT_MASK_FAMILY) == 0)
pango_font_description_set_family(font, "sans");
if ((flags & PANGO_FONT_MASK_SIZE) == 0)
pango_font_description_set_size(font, 10 * PANGO_SCALE);
fdc = EMALLOC(FontCtxPangoXft, 1);
if (!fdc)
return -1;
fdc->font = font;
ts->fdc = fdc;
ts->need_utf8 = 1;
ts->type = FONT_TYPE_PANGO_XFT;
ts->ops = &FontOps_pango;
return 0;
}
static bool
pango_load (Lisp_Font *f)
{
PangoLanguage *language;
PangoFontDescription *fontdesc;
PangoFont *font;
PangoFontMetrics *metrics;
if (pango_context)
{
language = pango_context_get_language (pango_context);
}
else
{
char *langname, *p;
#ifdef HAVE_PANGO_XFT
pango_context = pango_xft_get_context (dpy, screen_num);
#endif
langname = g_strdup (setlocale (LC_CTYPE, NULL));
p = strchr (langname, '.');
if (p)
*p = 0;
p = strchr (langname, '@');
if (p)
*p = 0;
language = pango_language_from_string (langname);
pango_context_set_language (pango_context, language);
g_free (langname);
}
fontdesc = pango_font_description_from_string (rep_STR (f->name));
if (!pango_font_description_get_family (fontdesc))
pango_font_description_set_family (fontdesc, "Sans");
if (pango_font_description_get_size (fontdesc) <= 0)
pango_font_description_set_size (fontdesc, 12 * PANGO_SCALE);
pango_context_set_font_description (pango_context, fontdesc);
font = pango_context_load_font (pango_context, fontdesc);
if (!font) {
pango_font_description_free(fontdesc);
return FALSE;
}
metrics = pango_font_get_metrics (font, language);
f->ascent = metrics->ascent / PANGO_SCALE;
f->descent = metrics->descent / PANGO_SCALE;
pango_font_metrics_unref (metrics);
f->font = fontdesc; /* We save the font description, not the font itself!
That's because it seems we can't recover it perfectly
later, and the layout routines want a description */
return TRUE;
}
RrInstance* RrInstanceNew (Display *display, gint screen)
{
definst = g_slice_new(RrInstance);
definst->display = display;
definst->screen = screen;
definst->depth = DefaultDepth(display, screen);
definst->visual = DefaultVisual(display, screen);
definst->colormap = DefaultColormap(display, screen);
definst->pango = pango_xft_get_context(display, screen);
definst->pseudo_colors = NULL;
definst->color_hash = g_hash_table_new_full(g_int_hash, g_int_equal,
NULL, dest);
switch (definst->visual->class) {
case TrueColor:
RrTrueColorSetup(definst);
break;
case PseudoColor:
case StaticColor:
case GrayScale:
case StaticGray:
RrPseudoColorSetup(definst);
break;
default:
g_critical("Unsupported visual class");
g_free (definst);
return definst = NULL;
}
return definst;
}
void
initfont(DC *dc, const char *fontstr) {
dc->pgc = pango_xft_get_context(dc->dpy, screen);
dc->pfd = pango_font_description_from_string(fontstr);
dc->plo = pango_layout_new(dc->pgc);
pango_layout_set_font_description(dc->plo, dc->pfd);
pango_layout_set_wrap(dc->plo, PANGO_WRAP_WORD_CHAR);
pango_layout_set_alignment(dc->plo, PANGO_ALIGN_LEFT);
}
PangoContext* wxApp::GetPangoContext()
{
static PangoContext *s_pangoContext = NULL;
if ( !s_pangoContext )
{
Display *dpy = wxGlobalDisplay();
int xscreen = DefaultScreen(dpy);
s_pangoContext = pango_xft_get_context(dpy, xscreen);
if (!PANGO_IS_CONTEXT(s_pangoContext))
{
wxLogError( wxT("No pango context.") );
}
}
return s_pangoContext;
}
void
initfont(DC *dc, const char *fontstr) {
PangoFontMetrics *metrics;
dc->pgc = pango_xft_get_context(dc->dpy, 0);
dc->pfd = pango_font_description_from_string(fontstr);
if(pango_font_description_get_size(dc->pfd) == 0)
pango_font_description_set_size(dc->pfd, 12 * PANGO_SCALE);
metrics = pango_context_get_metrics(dc->pgc, dc->pfd, pango_language_from_string(""));
dc->font.ascent = pango_font_metrics_get_ascent(metrics) / PANGO_SCALE;
dc->font.descent = pango_font_metrics_get_descent(metrics) / PANGO_SCALE;
dc->font.height = dc->font.ascent + dc->font.descent;
pango_font_metrics_unref(metrics);
dc->plo = pango_layout_new(dc->pgc);
pango_layout_set_font_description(dc->plo, dc->pfd);
}
int main(int argc, char *argv[])
{
pango_xft_get_context(NULL, 0);
return 0;
}
