2006-10-03 Matthew Allum <mallum@openedhand.com>
* configure.ac:
* clutter/Makefile.am:
* clutter/clutter-actor.c:
* clutter/clutter-label.c:
* clutter/clutter-label.h:
* clutter/pango/Makefile.am:
* clutter/pango/pangoclutter-font.c:
* clutter/pango/pangoclutter-fontmap.c:
* clutter/pango/pangoclutter-private.h:
* clutter/pango/pangoclutter-render.c:
* clutter/pango/pangoclutter.h:
Add initial rough new pango renderer and clutter-label.
* examples/super-oh.c:
* examples/test.c:
Minor fixups
This commit is contained in:
Matthew Allum
213
clutter/pango/pangoclutter-fontmap.c
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213
clutter/pango/pangoclutter-fontmap.c
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@ -0,0 +1,213 @@
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/* Pango
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* Clutter fonts handling
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*
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* Copyright (C) 2000 Red Hat Software
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* Copyright (C) 2000 Tor Lillqvist
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* Copyright (C) 2006 Marc Lehmann <pcg@goof.com>
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*
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* This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <glib.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "pangoclutter.h"
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#include "pangoclutter-private.h"
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#include <pango/pangofc-font.h>
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#include <pango/pangofc-fontmap.h>
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struct _PangoClutterFontMap
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{
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PangoFcFontMap parent_instance;
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FT_Library library;
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/* Function to call on prepared patterns to do final
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* config tweaking.
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*/
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PangoClutterSubstituteFunc substitute_func;
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gpointer substitute_data;
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GDestroyNotify substitute_destroy;
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PangoRenderer *renderer;
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};
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struct _PangoClutterFontMapClass
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{
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PangoFcFontMapClass parent_class;
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};
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G_DEFINE_TYPE (PangoClutterFontMap, pango_clutter_font_map, PANGO_TYPE_FC_FONT_MAP)
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static void
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pango_clutter_font_map_finalize (GObject *object)
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{
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PangoClutterFontMap *fontmap = PANGO_CLUTTER_FONT_MAP (object);
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if (fontmap->renderer)
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g_object_unref (fontmap->renderer);
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if (fontmap->substitute_destroy)
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fontmap->substitute_destroy (fontmap->substitute_data);
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FT_Done_FreeType (fontmap->library);
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G_OBJECT_CLASS (pango_clutter_font_map_parent_class)->finalize (object);
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}
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PangoFontMap *
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pango_clutter_font_map_new (void)
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{
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PangoClutterFontMap *fontmap;
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FT_Error error;
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/* Make sure that the type system is initialized */
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g_type_init ();
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fontmap = g_object_new (PANGO_TYPE_CLUTTER_FONT_MAP, NULL);
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error = FT_Init_FreeType (&fontmap->library);
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if (error != FT_Err_Ok)
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g_critical ("pango_clutter_font_map_new: Could not initialize freetype");
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return (PangoFontMap *)fontmap;
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}
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void
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pango_clutter_font_map_set_default_substitute (PangoClutterFontMap *fontmap,
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PangoClutterSubstituteFunc func,
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gpointer data,
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GDestroyNotify notify)
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{
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if (fontmap->substitute_destroy)
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fontmap->substitute_destroy (fontmap->substitute_data);
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fontmap->substitute_func = func;
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fontmap->substitute_data = data;
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fontmap->substitute_destroy = notify;
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pango_fc_font_map_cache_clear (PANGO_FC_FONT_MAP (fontmap));
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}
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/**
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* pango_clutter_font_map_substitute_changed:
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* @fontmap: a #PangoClutterFontmap
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*
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* Call this function any time the results of the
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* default substitution function set with
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* pango_clutter_font_map_set_default_substitute() change.
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* That is, if your subsitution function will return different
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* results for the same input pattern, you must call this function.
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*
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* Since: 1.2
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**/
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void
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pango_clutter_font_map_substitute_changed (PangoClutterFontMap *fontmap)
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{
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pango_fc_font_map_cache_clear (PANGO_FC_FONT_MAP (fontmap));
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}
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/**
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* pango_clutter_font_map_create_context:
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* @fontmap: a #PangoClutterFontmap
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*
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* Create a #PangoContext for the given fontmap.
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*
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* Return value: the newly created context; free with g_object_unref().
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*
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* Since: 1.2
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**/
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PangoContext *
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pango_clutter_font_map_create_context (PangoClutterFontMap *fontmap)
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{
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g_return_val_if_fail (PANGO_CLUTTER_IS_FONT_MAP (fontmap), NULL);
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return pango_fc_font_map_create_context (PANGO_FC_FONT_MAP (fontmap));
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}
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FT_Library
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_pango_clutter_font_map_get_library (PangoFontMap *fontmap_)
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{
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PangoClutterFontMap *fontmap = (PangoClutterFontMap *)fontmap_;
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return fontmap->library;
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}
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/**
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* _pango_clutter_font_map_get_renderer:
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* @fontmap: a #PangoClutterFontmap
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*
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* Gets the singleton PangoClutterRenderer for this fontmap.
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*
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* Return value:
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**/
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PangoRenderer *
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_pango_clutter_font_map_get_renderer (PangoClutterFontMap *fontmap)
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{
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if (!fontmap->renderer)
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fontmap->renderer = g_object_new (PANGO_TYPE_CLUTTER_RENDERER, NULL);
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return fontmap->renderer;
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}
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static void
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pango_clutter_font_map_default_substitute (PangoFcFontMap *fcfontmap,
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FcPattern *pattern)
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{
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PangoClutterFontMap *fontmap = PANGO_CLUTTER_FONT_MAP (fcfontmap);
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FcConfigSubstitute (NULL, pattern, FcMatchPattern);
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if (fontmap->substitute_func)
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fontmap->substitute_func (pattern, fontmap->substitute_data);
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#if 0
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FcValue v;
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if (FcPatternGet (pattern, FC_DPI, 0, &v) == FcResultNoMatch)
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FcPatternAddDouble (pattern, FC_DPI, fontmap->dpi_y);
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#endif
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FcDefaultSubstitute (pattern);
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}
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static PangoFcFont *
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pango_clutter_font_map_new_font (PangoFcFontMap *fcfontmap,
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FcPattern *pattern)
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{
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return (PangoFcFont *)_pango_clutter_font_new (PANGO_CLUTTER_FONT_MAP (fcfontmap), pattern);
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}
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static void
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pango_clutter_font_map_class_init (PangoClutterFontMapClass *class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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PangoFcFontMapClass *fcfontmap_class = PANGO_FC_FONT_MAP_CLASS (class);
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gobject_class->finalize = pango_clutter_font_map_finalize;
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fcfontmap_class->default_substitute = pango_clutter_font_map_default_substitute;
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fcfontmap_class->new_font = pango_clutter_font_map_new_font;
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}
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static void
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pango_clutter_font_map_init (PangoClutterFontMap *fontmap)
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{
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fontmap->library = NULL;
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}
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