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Directly set backend font options in clutter_set_font_flags

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Instead of having a separate set of font options that override the
backend options when clutter_set_font_flags is called, it now just
directly sets the backend font options. So now the font flags are just
a convenience wrapper around the backend font options.

This also makes the ClutterText labels automatically update when the
font flags are changed because they will respond to the 'font-changed'
signal from the backend.
This commit is contained in:
Neil Roberts 2009-01-27 16:55:25 +00:00
parent 89b0b00dd1
commit 6b9da72ab0
2 changed files with 9 additions and 22 deletions
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28
clutter/clutter-main.c
View File

@ -453,7 +453,6 @@ update_pango_context (ClutterBackend *backend,
/* get the configuration for the PangoContext from the backend */
font_name = clutter_backend_get_font_name (backend);
font_options = clutter_backend_get_font_options (backend);
font_options = cairo_font_options_copy (font_options);
resolution = clutter_backend_get_resolution (backend);
font_desc = pango_font_description_from_string (font_name);
@ -461,13 +460,8 @@ update_pango_context (ClutterBackend *backend,
if (resolution < 0)
resolution = 96.0; /* fall back */
if (CLUTTER_CONTEXT ()->user_font_options)
cairo_font_options_merge (font_options,
CLUTTER_CONTEXT ()->user_font_options);
pango_context_set_font_description (context, font_desc);
pango_cairo_context_set_font_options (context, font_options);
cairo_font_options_destroy (font_options);
pango_cairo_context_set_resolution (context, resolution);
pango_font_description_free (font_desc);
@ -2610,10 +2604,7 @@ clutter_clear_glyph_cache (void)
* text but will use more texture memory.
*
* Enabling hinting improves text quality for static text but may
* introduce some artifacts if the text is animated. Changing the
* hinting flag will only effect newly created PangoLayouts. So
* #ClutterText actors will not show the change until a property which
* causes it to recreate the layout is also changed.
* introduce some artifacts if the text is animated.
*
* Since: 1.0
*/
@ -2621,6 +2612,7 @@ void
clutter_set_font_flags (ClutterFontFlags flags)
{
ClutterFontFlags old_flags, changed_flags;
cairo_font_options_t *font_options;
if (CLUTTER_CONTEXT ()->font_map)
cogl_pango_font_map_set_use_mipmapping (CLUTTER_CONTEXT ()->font_map,
@ -2629,19 +2621,23 @@ clutter_set_font_flags (ClutterFontFlags flags)
old_flags = clutter_get_font_flags ();
if (CLUTTER_CONTEXT ()->user_font_options == NULL)
CLUTTER_CONTEXT ()->user_font_options = cairo_font_options_create ();
font_options = clutter_backend_get_font_options (CLUTTER_CONTEXT ()->backend);
font_options = cairo_font_options_copy (font_options);
/* Only set the font options that have actually changed so we don't
override a detailed setting from the backend */
changed_flags = old_flags ^ flags;
if ((changed_flags & CLUTTER_FONT_HINTING))
cairo_font_options_set_hint_style (CLUTTER_CONTEXT ()->user_font_options,
cairo_font_options_set_hint_style (font_options,
(flags & CLUTTER_FONT_HINTING)
? CAIRO_HINT_STYLE_FULL
: CAIRO_HINT_STYLE_NONE);
clutter_backend_set_font_options (CLUTTER_CONTEXT ()->backend, font_options);
cairo_font_options_destroy (font_options);
if (CLUTTER_CONTEXT ()->pango_context)
update_pango_context (CLUTTER_CONTEXT ()->backend,
CLUTTER_CONTEXT ()->pango_context);
@ -2672,10 +2668,6 @@ clutter_get_font_flags (void)
flags |= CLUTTER_FONT_MIPMAPPING;
font_options = clutter_backend_get_font_options (ctxt->backend);
font_options = cairo_font_options_copy (font_options);
if (ctxt->user_font_options)
cairo_font_options_merge (font_options, ctxt->user_font_options);
if ((cairo_font_options_get_hint_style (font_options)
!= CAIRO_HINT_STYLE_DEFAULT)
@ -2683,8 +2675,6 @@ clutter_get_font_flags (void)
!= CAIRO_HINT_STYLE_NONE))
flags |= CLUTTER_FONT_HINTING;
cairo_font_options_destroy (font_options);
return flags;
}

3
clutter/clutter-private.h
View File

@ -129,9 +129,6 @@ struct _ClutterMainContext
PangoContext *pango_context; /* Global Pango context */
CoglPangoFontMap *font_map; /* Global font map */
/* Font options set by clutter_set_font_flags */
cairo_font_options_t *user_font_options;
GSList *input_devices; /* For extra input devices, i.e
MultiTouch */
};