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Diffstat (limited to 'trunk/pango/pango-attributes.h')
| -rw-r--r-- | trunk/pango/pango-attributes.h | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/trunk/pango/pango-attributes.h b/trunk/pango/pango-attributes.h new file mode 100644 index 00000000..98ee9868 --- /dev/null +++ b/trunk/pango/pango-attributes.h @@ -0,0 +1,274 @@ +/* Pango + * pango-attributes.h: Attributed text + * + * Copyright (C) 2000 Red Hat Software + * + * This 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. + * + * This 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 this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __PANGO_ATTRIBUTES_H__ +#define __PANGO_ATTRIBUTES_H__ + +#include <pango/pango-font.h> +#include <glib-object.h> + +G_BEGIN_DECLS + +/* PangoColor */ + +typedef struct _PangoColor PangoColor; + +struct _PangoColor +{ + guint16 red; + guint16 green; + guint16 blue; +}; + +#define PANGO_TYPE_COLOR pango_color_get_type () +GType pango_color_get_type (void) G_GNUC_CONST; + +PangoColor *pango_color_copy (const PangoColor *src); +void pango_color_free (PangoColor *color); +gboolean pango_color_parse (PangoColor *color, + const char *spec); +gchar *pango_color_to_string(const PangoColor *color); + + +/* Attributes */ + +typedef struct _PangoAttribute PangoAttribute; +typedef struct _PangoAttrClass PangoAttrClass; + +typedef struct _PangoAttrString PangoAttrString; +typedef struct _PangoAttrLanguage PangoAttrLanguage; +typedef struct _PangoAttrInt PangoAttrInt; +typedef struct _PangoAttrSize PangoAttrSize; +typedef struct _PangoAttrFloat PangoAttrFloat; +typedef struct _PangoAttrColor PangoAttrColor; +typedef struct _PangoAttrFontDesc PangoAttrFontDesc; +typedef struct _PangoAttrShape PangoAttrShape; + +#define PANGO_TYPE_ATTR_LIST pango_attr_list_get_type () +typedef struct _PangoAttrList PangoAttrList; +typedef struct _PangoAttrIterator PangoAttrIterator; + +typedef enum +{ + PANGO_ATTR_INVALID, /* 0 is an invalid attribute type */ + PANGO_ATTR_LANGUAGE, /* PangoAttrLanguage */ + PANGO_ATTR_FAMILY, /* PangoAttrString */ + PANGO_ATTR_STYLE, /* PangoAttrInt */ + PANGO_ATTR_WEIGHT, /* PangoAttrInt */ + PANGO_ATTR_VARIANT, /* PangoAttrInt */ + PANGO_ATTR_STRETCH, /* PangoAttrInt */ + PANGO_ATTR_SIZE, /* PangoAttrSize */ + PANGO_ATTR_FONT_DESC, /* PangoAttrFontDesc */ + PANGO_ATTR_FOREGROUND, /* PangoAttrColor */ + PANGO_ATTR_BACKGROUND, /* PangoAttrColor */ + PANGO_ATTR_UNDERLINE, /* PangoAttrInt */ + PANGO_ATTR_STRIKETHROUGH, /* PangoAttrInt */ + PANGO_ATTR_RISE, /* PangoAttrInt */ + PANGO_ATTR_SHAPE, /* PangoAttrShape */ + PANGO_ATTR_SCALE, /* PangoAttrFloat */ + PANGO_ATTR_FALLBACK, /* PangoAttrInt */ + PANGO_ATTR_LETTER_SPACING, /* PangoAttrInt */ + PANGO_ATTR_UNDERLINE_COLOR, /* PangoAttrColor */ + PANGO_ATTR_STRIKETHROUGH_COLOR,/* PangoAttrColor */ + PANGO_ATTR_ABSOLUTE_SIZE, /* PangoAttrSize */ + PANGO_ATTR_GRAVITY, /* PangoAttrInt */ + PANGO_ATTR_GRAVITY_HINT /* PangoAttrInt */ +} PangoAttrType; + +typedef enum { + PANGO_UNDERLINE_NONE, + PANGO_UNDERLINE_SINGLE, + PANGO_UNDERLINE_DOUBLE, + PANGO_UNDERLINE_LOW, + PANGO_UNDERLINE_ERROR +} PangoUnderline; + +struct _PangoAttribute +{ + const PangoAttrClass *klass; + guint start_index; /* in bytes */ + guint end_index; /* in bytes. The character at this index is not included */ +}; + +typedef gboolean (*PangoAttrFilterFunc) (PangoAttribute *attribute, + gpointer data); + +typedef gpointer (*PangoAttrDataCopyFunc) (gconstpointer data); + +struct _PangoAttrClass +{ + /*< public >*/ + PangoAttrType type; + PangoAttribute * (*copy) (const PangoAttribute *attr); + void (*destroy) (PangoAttribute *attr); + gboolean (*equal) (const PangoAttribute *attr1, const PangoAttribute *attr2); +}; + +struct _PangoAttrString +{ + PangoAttribute attr; + char *value; +}; + +struct _PangoAttrLanguage +{ + PangoAttribute attr; + PangoLanguage *value; +}; + +struct _PangoAttrInt +{ + PangoAttribute attr; + int value; +}; + +struct _PangoAttrFloat +{ + PangoAttribute attr; + double value; +}; + +struct _PangoAttrColor +{ + PangoAttribute attr; + PangoColor color; +}; + +struct _PangoAttrSize +{ + PangoAttribute attr; + int size; + guint absolute : 1; +}; + +struct _PangoAttrShape +{ + PangoAttribute attr; + PangoRectangle ink_rect; + PangoRectangle logical_rect; + + gpointer data; + PangoAttrDataCopyFunc copy_func; + GDestroyNotify destroy_func; +}; + +struct _PangoAttrFontDesc +{ + PangoAttribute attr; + PangoFontDescription *desc; +}; + +PangoAttrType pango_attr_type_register (const gchar *name); + +PangoAttribute * pango_attribute_copy (const PangoAttribute *attr); +void pango_attribute_destroy (PangoAttribute *attr); +gboolean pango_attribute_equal (const PangoAttribute *attr1, + const PangoAttribute *attr2) G_GNUC_PURE; + +PangoAttribute *pango_attr_language_new (PangoLanguage *language); +PangoAttribute *pango_attr_family_new (const char *family); +PangoAttribute *pango_attr_foreground_new (guint16 red, + guint16 green, + guint16 blue); +PangoAttribute *pango_attr_background_new (guint16 red, + guint16 green, + guint16 blue); +PangoAttribute *pango_attr_size_new (int size); +PangoAttribute *pango_attr_size_new_absolute (int size); +PangoAttribute *pango_attr_style_new (PangoStyle style); +PangoAttribute *pango_attr_weight_new (PangoWeight weight); +PangoAttribute *pango_attr_variant_new (PangoVariant variant); +PangoAttribute *pango_attr_stretch_new (PangoStretch stretch); +PangoAttribute *pango_attr_font_desc_new (const PangoFontDescription *desc); + +PangoAttribute *pango_attr_underline_new (PangoUnderline underline); +PangoAttribute *pango_attr_underline_color_new (guint16 red, + guint16 green, + guint16 blue); +PangoAttribute *pango_attr_strikethrough_new (gboolean strikethrough); +PangoAttribute *pango_attr_strikethrough_color_new (guint16 red, + guint16 green, + guint16 blue); + +PangoAttribute *pango_attr_rise_new (int rise); +PangoAttribute *pango_attr_scale_new (double scale_factor); +PangoAttribute *pango_attr_fallback_new (gboolean enable_fallback); +PangoAttribute *pango_attr_letter_spacing_new (int letter_spacing); + +PangoAttribute *pango_attr_shape_new (const PangoRectangle *ink_rect, + const PangoRectangle *logical_rect); +PangoAttribute *pango_attr_shape_new_with_data (const PangoRectangle *ink_rect, + const PangoRectangle *logical_rect, + gpointer data, + PangoAttrDataCopyFunc copy_func, + GDestroyNotify destroy_func); + +PangoAttribute *pango_attr_gravity_new (PangoGravity gravity); +PangoAttribute *pango_attr_gravity_hint_new (PangoGravityHint hint); + +GType pango_attr_list_get_type (void) G_GNUC_CONST; +PangoAttrList * pango_attr_list_new (void); +PangoAttrList * pango_attr_list_ref (PangoAttrList *list); +void pango_attr_list_unref (PangoAttrList *list); +PangoAttrList * pango_attr_list_copy (PangoAttrList *list); +void pango_attr_list_insert (PangoAttrList *list, + PangoAttribute *attr); +void pango_attr_list_insert_before (PangoAttrList *list, + PangoAttribute *attr); +void pango_attr_list_change (PangoAttrList *list, + PangoAttribute *attr); +void pango_attr_list_splice (PangoAttrList *list, + PangoAttrList *other, + gint pos, + gint len); + +PangoAttrList *pango_attr_list_filter (PangoAttrList *list, + PangoAttrFilterFunc func, + gpointer data); + +PangoAttrIterator *pango_attr_list_get_iterator (PangoAttrList *list); + +void pango_attr_iterator_range (PangoAttrIterator *iterator, + gint *start, + gint *end); +gboolean pango_attr_iterator_next (PangoAttrIterator *iterator); +PangoAttrIterator *pango_attr_iterator_copy (PangoAttrIterator *iterator); +void pango_attr_iterator_destroy (PangoAttrIterator *iterator); +PangoAttribute * pango_attr_iterator_get (PangoAttrIterator *iterator, + PangoAttrType type); +void pango_attr_iterator_get_font (PangoAttrIterator *iterator, + PangoFontDescription *desc, + PangoLanguage **language, + GSList **extra_attrs); +GSList * pango_attr_iterator_get_attrs (PangoAttrIterator *iterator); + + +gboolean pango_parse_markup (const char *markup_text, + int length, + gunichar accel_marker, + PangoAttrList **attr_list, + char **text, + gunichar *accel_char, + GError **error); + +G_END_DECLS + +#endif /* __PANGO_ATTRIBUTES_H__ */ |