PangoContext *
dia_font_get_context()
{
if (pango_context == NULL) {
/* Maybe this one with pangocairo
dia_font_push_context (pango_cairo_font_map_create_context (pango_cairo_font_map_get_default()));
* but it gives:
(lt-dia:30476): Pango-CRITICAL **: pango_renderer_draw_layout: assertion `PANGO_IS_RENDERER (renderer)' failed
*/
#ifdef HAVE_FREETYPE
/* This is suggested by new Pango (1.2.4+), but doesn't get us the
* right resolution:(
dia_font_push_context(pango_ft2_font_map_create_context(pango_ft2_font_map_new()));
*/
/* with 96x96 it gives consistent - too big - sizes with the cairo renderer, it was 75x75 with 0.96.x
dia_font_push_context(pango_ft2_get_context(96,96));
*/
dia_font_push_context(pango_ft2_get_context(75,75));
#else
if (gdk_display_get_default ())
dia_font_push_context(gdk_pango_context_get());
else {
# ifdef GDK_WINDOWING_WIN32
dia_font_push_context(pango_win32_get_context ());
# else
g_warning ("dia_font_get_context() : not font context w/o display. Crashing soon.");
# endif
}
#endif
}
return pango_context;
}
font_factory::font_factory(void) :
nbEnt(0), // Note: this "ents" cache only keeps fonts from being unreffed, does not speed up access
maxEnt(32),
ents(static_cast<font_entry*>(g_malloc(maxEnt*sizeof(font_entry)))),
#ifdef USE_PANGO_WIN32
fontServer(pango_win32_font_map_for_display()),
fontContext(pango_win32_get_context()),
pangoFontCache(pango_win32_font_map_get_font_cache(fontServer)),
hScreenDC(pango_win32_get_dc()),
#else
fontServer(pango_ft2_font_map_new()),
fontContext(0),
#endif
fontSize(512),
loadedPtr(new FaceMapType())
{
#ifdef USE_PANGO_WIN32
#else
pango_ft2_font_map_set_resolution(PANGO_FT2_FONT_MAP(fontServer),
72, 72);
fontContext = pango_font_map_create_context(fontServer);
pango_ft2_font_map_set_default_substitute(PANGO_FT2_FONT_MAP(fontServer),
FactorySubstituteFunc,
this,
NULL);
#endif
}
/* Create/get a pango context
*
* On windows we use the win32 context creator, on everything else we
* use the cairo one.
*/
PangoContext *
splitter_create_pango_context(void) {
#ifdef _WIN32
return pango_win32_get_context();
#else
return pango_context_new();
#endif
}
/* Create/get a pango context
*
* On windows we use the win32 context creator, on everything else we
* use the cairo one.
*/
PangoContext *
splitter_create_pango_context(void) {
#ifdef _WIN32
return pango_win32_get_context();
#else
PangoContext *context = NULL;
PangoFontMap *fontmap = pango_cairo_font_map_get_default();
context =
pango_cairo_font_map_create_context(PANGO_CAIRO_FONT_MAP(fontmap));
g_object_unref(G_OBJECT(fontmap));
return context;
#endif
}
int
main (int argc, char **argv)
{
guint flags = DUMP_ABSOLUTE;
int i;
PangoContext *context;
for (i = 1; i < argc; ++i) {
if (strcmp (argv[i], "--factors") == 0)
flags |= DUMP_FACTORS;
else if (strcmp (argv[i], "--relative") == 0)
flags &= ~(DUMP_ABSOLUTE);
}
#ifdef G_OS_WIN32
context = pango_win32_get_context ();
#else
context = pango_ft2_get_context(75,75);
#endif
dump_font_sizes (context, fdopen(1, "wb"), flags);
}
static void
set_font(DiaRenderer *self, DiaFont *font, real height)
{
WmfRenderer *renderer = WMF_RENDERER (self);
W32::LPCTSTR sFace;
W32::DWORD dwItalic = 0;
W32::DWORD dwWeight = FW_DONTCARE;
DiaFontStyle style = dia_font_get_style(font);
real font_size = dia_font_get_size (font) * (height / dia_font_get_height (font));
DIAG_NOTE(renderer, "set_font %s %f\n",
dia_font_get_family (font), height);
if (renderer->hFont) {
W32::DeleteObject(renderer->hFont);
renderer->hFont = NULL;
}
if (renderer->pango_context) {
g_object_unref (renderer->pango_context);
renderer->pango_context = NULL;
}
if (renderer->use_pango) {
#ifdef __PANGOWIN32_H__ /* with the pangowin32 backend there is a better way */
if (!renderer->pango_context)
renderer->pango_context = pango_win32_get_context ();
PangoFont* pf = pango_context_load_font (renderer->pango_context, dia_font_get_description (font));
if (pf)
{
W32::LOGFONT* lf = pango_win32_font_logfont (pf);
/* .93 : sligthly smaller looks much better */
lf->lfHeight = -SC(height*.93);
lf->lfHeight = -SC(font_size);
renderer->hFont = (W32::HFONT)W32::CreateFontIndirect (lf);
g_free (lf);
g_object_unref (pf);
}
else
{
gchar *desc = pango_font_description_to_string (dia_font_get_description (font));
dia_context_add_message(renderer->ctx, _("Cannot render unknown font:\n%s"), desc);
g_free (desc);
}
#else
g_assert_not_reached();
#endif
} else {
sFace = dia_font_get_family (font);
dwItalic = DIA_FONT_STYLE_GET_SLANT(style) != DIA_FONT_NORMAL;
/* although there is a known algorithm avoid it for cleanness */
switch (DIA_FONT_STYLE_GET_WEIGHT(style)) {
case DIA_FONT_ULTRALIGHT : dwWeight = FW_ULTRALIGHT; break;
case DIA_FONT_LIGHT : dwWeight = FW_LIGHT; break;
case DIA_FONT_MEDIUM : dwWeight = FW_MEDIUM; break;
case DIA_FONT_DEMIBOLD : dwWeight = FW_DEMIBOLD; break;
case DIA_FONT_BOLD : dwWeight = FW_BOLD; break;
case DIA_FONT_ULTRABOLD : dwWeight = FW_ULTRABOLD; break;
case DIA_FONT_HEAVY : dwWeight = FW_HEAVY; break;
default : dwWeight = FW_NORMAL; break;
}
//Hack to get BYTE out of namespace W32
# ifndef BYTE
# define BYTE unsigned char
# endif
renderer->hFont = (W32::HFONT)W32::CreateFont(
- SC (font_size), // logical height of font
0, // logical average character width
0, // angle of escapement
0, // base-line orientation angle
dwWeight, // font weight
dwItalic, // italic attribute flag
0, // underline attribute flag
0, // strikeout attribute flag
DEFAULT_CHARSET, // character set identifier
OUT_TT_PRECIS, // output precision
CLIP_DEFAULT_PRECIS, // clipping precision
PROOF_QUALITY, // output quality
DEFAULT_PITCH, // pitch and family
sFace); // pointer to typeface name string
}
}
int
main (int argc, char **argv)
{
char *text;
GtkWidget *window;
GtkWidget *scrollwin;
GtkWidget *vbox, *hbox;
GtkWidget *frame;
GtkWidget *checkbutton;
gtk_init (&argc, &argv);
if (argc != 2)
{
fprintf (stderr, "Usage: %s FILE\n", g_get_prgname ());
exit(1);
}
/* Create the list of paragraphs from the supplied file
*/
text = read_file (argv[1]);
if (!text)
exit(1);
context = pango_win32_get_context ();
paragraphs = split_paragraphs (text);
pango_context_set_language (context, pango_language_from_string ("en_US"));
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR);
font_description = pango_font_description_new ();
pango_font_description_set_family(font_description, "sans");
pango_font_description_set_size(font_description, 16 * PANGO_SCALE);
#if 0 /* default init ok? */
font_description.style = PANGO_STYLE_NORMAL;
font_description.variant = PANGO_VARIANT_NORMAL;
font_description.weight = 500;
font_description.stretch = PANGO_STRETCH_NORMAL;
#endif
pango_context_set_font_description (context, font_description);
/* Create the user interface
*/
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), 400, 400);
gtk_signal_connect (GTK_OBJECT (window), "destroy",
GTK_SIGNAL_FUNC (gtk_main_quit), NULL);
vbox = gtk_vbox_new (FALSE, 4);
gtk_container_add (GTK_CONTAINER (window), vbox);
hbox = make_font_selector ();
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
scrollwin = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrollwin),
GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
gtk_box_pack_start (GTK_BOX (vbox), scrollwin, TRUE, TRUE, 0);
layout = gtk_layout_new (NULL, NULL);
gtk_widget_set_events (layout, GDK_BUTTON_PRESS_MASK);
gtk_widget_set_app_paintable (layout, TRUE);
gtk_signal_connect (GTK_OBJECT (layout), "size_allocate",
GTK_SIGNAL_FUNC (size_allocate), paragraphs);
gtk_signal_connect (GTK_OBJECT (layout), "expose_event",
GTK_SIGNAL_FUNC (expose), paragraphs);
gtk_signal_connect (GTK_OBJECT (layout), "draw",
GTK_SIGNAL_FUNC (draw), paragraphs);
gtk_signal_connect (GTK_OBJECT (layout), "button_press_event",
GTK_SIGNAL_FUNC (button_press), paragraphs);
#if GTK_CHECK_VERSION (1,3,2)
gtk_widget_set_double_buffered (layout, FALSE);
#endif
gtk_container_add (GTK_CONTAINER (scrollwin), layout);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
message_label = gtk_label_new ("Current char:");
gtk_misc_set_padding (GTK_MISC (message_label), 1, 1);
gtk_misc_set_alignment (GTK_MISC (message_label), 0.0, 0.5);
gtk_container_add (GTK_CONTAINER (frame), message_label);
checkbutton = gtk_check_button_new_with_label ("Use RTL global direction");
gtk_signal_connect (GTK_OBJECT (checkbutton), "toggled",
GTK_SIGNAL_FUNC (checkbutton_toggled), NULL);
gtk_box_pack_start (GTK_BOX (vbox), checkbutton, FALSE, FALSE, 0);
gtk_widget_show_all (window);
gtk_main ();
return 0;
}
