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Diffstat (limited to 'libnautilus-extensions/nautilus-scalable-font.h')
| -rw-r--r-- | libnautilus-extensions/nautilus-scalable-font.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/libnautilus-extensions/nautilus-scalable-font.h b/libnautilus-extensions/nautilus-scalable-font.h new file mode 100644 index 000000000..f640e9b45 --- /dev/null +++ b/libnautilus-extensions/nautilus-scalable-font.h @@ -0,0 +1,138 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ + +/* nautilus-scalable-font.h - A GtkObject subclass for access to scalable fonts. + + Copyright (C) 1999, 2000 Eazel, Inc. + + The Gnome Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The Gnome Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the Gnome Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + + Authors: Ramiro Estrugo <ramiro@eazel.com> +*/ + + +/* NautilusScalableFont is a GtkObject that provdes a simple + * interface to Raph Levien's librsvg FreeType2 bases anti aliased + * text rendering. + * + * Currently, Type1 only Type1 fonts are supported. + * + * Fonts are automatically queried and used if available. Right + * now this is fairly simple code which does not handle all the + * complexities of the hell that is x fonts. + * + * In the Star Trek future, we will use gnome-print (gnome-font?). + * However, we will keep the interface to scalable font usage simple + * and hidden behind this interface. + * + */ + +#ifndef NAUTILUS_SCALABLE_FONT_H +#define NAUTILUS_SCALABLE_FONT_H + +#include <gtk/gtkobject.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <libgnome/gnome-defs.h> +#include <libnautilus-extensions/nautilus-string-list.h> +#include <libart_lgpl/art_rect.h> + +BEGIN_GNOME_DECLS + +#define NAUTILUS_TYPE_SCALABLE_FONT (nautilus_scalable_font_get_type ()) +#define NAUTILUS_SCALABLE_FONT(obj) (GTK_CHECK_CAST ((obj), NAUTILUS_TYPE_SCALABLE_FONT, NautilusScalableFont)) +#define NAUTILUS_SCALABLE_FONT_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), NAUTILUS_TYPE_SCALABLE_FONT, NautilusScalableFontClass)) +#define NAUTILUS_IS_SCALABLE_FONT(obj) (GTK_CHECK_TYPE ((obj), NAUTILUS_TYPE_SCALABLE_FONT)) +#define NAUTILUS_IS_SCALABLE_FONT_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), NAUTILUS_TYPE_SCALABLE_FONT)) + +typedef struct _NautilusScalableFont NautilusScalableFont; +typedef struct _NautilusScalableFontClass NautilusScalableFontClass; +typedef struct _NautilusScalableFontDetail NautilusScalableFontDetail; + +struct _NautilusScalableFont +{ + /* Superclass */ + GtkObject object; + + /* Private things */ + NautilusScalableFontDetail *detail; +}; + +struct _NautilusScalableFontClass +{ + GtkObjectClass parent_class; +}; + +GtkType nautilus_scalable_font_get_type (void); +GtkObject * nautilus_scalable_font_new (const char *family, + const char *weight, + const char *slant, + const char *set_width); +void nautilus_scalable_font_measure_text (const NautilusScalableFont *font, + guint font_width, + guint font_height, + const char *text, + guint *text_width_out, + guint *text_height_out); +void nautilus_scalable_font_measure_text_lines (NautilusScalableFont *font, + guint font_width, + guint font_height, + const char *text_lines[], + guint num_text_lines, + guint text_line_widths[], + guint text_line_heights[], + guint *max_width_out, + guint *total_height_out); +void nautilus_scalable_font_draw_text (const NautilusScalableFont *font, + GdkPixbuf *destination_pixbuf, + const ArtIRect *destination_area, + guint font_width, + guint font_height, + const char *text, + guint32 color, + guchar overall_alpha); +void nautilus_scalable_font_draw_text_lines (const NautilusScalableFont *font, + GdkPixbuf *destination_pixbuf, + const ArtIRect *destination_area, + guint font_width, + guint font_height, + const char *text_lines[], + const guint text_line_widths[], + const guint text_line_heights[], + GtkJustification justification, + const guint num_lines, + guint line_offset, + guint32 color, + guchar overall_alpha); +guint nautilus_scalable_font_largest_fitting_font_size (const NautilusScalableFont *font, + const char *text, + guint available_width, + const guint font_sizes[], + guint num_font_sizes); +NautilusScalableFont *nautilus_scalable_font_get_default_font (void); +NautilusStringList * nautilus_scalable_font_get_font_family_list (void); +gboolean nautilus_scalable_font_query_font (const char *family, + NautilusStringList **weights, + NautilusStringList **slants, + NautilusStringList **set_widths); +gboolean nautilus_scalable_font_query_font (const char *family, + NautilusStringList **weights, + NautilusStringList **slants, + NautilusStringList **set_widths); + +END_GNOME_DECLS + +#endif /* NAUTILUS_SCALABLE_FONT_H */ + + |