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/* Pango
* pango-layout.h: Highlevel layout driver
*
* 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_LAYOUT_H__
#define __PANGO_LAYOUT_H__
#include <pango/pango-attributes.h>
#include <pango/pango-context.h>
#include <pango/pango-glyph.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct _PangoLayout PangoLayout;
typedef struct _PangoLayoutClass PangoLayoutClass;
typedef struct _PangoLayoutLine PangoLayoutLine;
typedef struct _PangoLayoutRun PangoLayoutRun;
typedef enum {
PANGO_ALIGN_LEFT,
PANGO_ALIGN_CENTER,
PANGO_ALIGN_RIGHT
} PangoAlignment;
struct _PangoLayoutLine
{
PangoLayout *layout;
gint length; /* length of line in bytes*/
GSList *runs;
};
struct _PangoLayoutRun
{
PangoItem *item;
PangoGlyphString *glyphs;
};
#define PANGO_TYPE_LAYOUT (pango_layout_get_type ())
#define PANGO_LAYOUT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_LAYOUT, PangoLayout))
#define PANGO_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_LAYOUT, PangoLayoutClass))
#define PANGO_IS_LAYOUT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_LAYOUT))
#define PANGO_IS_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_LAYOUT))
#define PANGO_LAYOUT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_LAYOUT, PangoLayoutClass))
/* The PangoLayout and PangoLayoutClass structs are private; if you
* need to create a subclass of these, mail otaylor@redhat.com
*/
GType pango_layout_get_type (void);
PangoLayout *pango_layout_new (PangoContext *context);
PangoContext *pango_layout_get_context (PangoLayout *layout);
void pango_layout_set_attributes (PangoLayout *layout,
PangoAttrList *attrs);
void pango_layout_set_text (PangoLayout *layout,
const char *text,
int length);
void pango_layout_set_font_description (PangoLayout *layout,
const PangoFontDescription *desc);
void pango_layout_set_width (PangoLayout *layout,
int width);
int pango_layout_get_width (PangoLayout *layout);
void pango_layout_set_indent (PangoLayout *layout,
int indent);
int pango_layout_get_indent (PangoLayout *layout);
void pango_layout_set_spacing (PangoLayout *layout,
int spacing);
int pango_layout_get_spacing (PangoLayout *layout);
void pango_layout_set_justify (PangoLayout *layout,
gboolean justify);
gboolean pango_layout_get_justify (PangoLayout *layout);
void pango_layout_set_alignment (PangoLayout *layout,
PangoAlignment alignment);
PangoAlignment pango_layout_get_alignment (PangoLayout *layout);
void pango_layout_context_changed (PangoLayout *layout);
void pango_layout_get_log_attrs (PangoLayout *layout,
PangoLogAttr **attrs,
gint *n_attrs);
void pango_layout_index_to_pos (PangoLayout *layout,
int index,
PangoRectangle *pos);
void pango_layout_get_cursor_pos (PangoLayout *layout,
int index,
PangoRectangle *strong_pos,
PangoRectangle *weak_pos);
void pango_layout_move_cursor_visually (PangoLayout *layout,
int old_index,
int old_trailing,
int direction,
int *new_index,
int *new_trailing);
gboolean pango_layout_xy_to_index (PangoLayout *layout,
int x,
int y,
int *index,
gboolean *trailing);
void pango_layout_get_extents (PangoLayout *layout,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_get_pixel_extents (PangoLayout *layout,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_get_size (PangoLayout *layout,
int *width,
int *height);
void pango_layout_get_pixel_size (PangoLayout *layout,
int *width,
int *height);
int pango_layout_get_line_count (PangoLayout *layout);
PangoLayoutLine *pango_layout_get_line (PangoLayout *layout,
int line);
GSList * pango_layout_get_lines (PangoLayout *layout);
void pango_layout_line_ref (PangoLayoutLine *line);
void pango_layout_line_unref (PangoLayoutLine *line);
void pango_layout_line_x_to_index (PangoLayoutLine *line,
int x_pos,
int *index,
int *trailing);
void pango_layout_line_index_to_x (PangoLayoutLine *line,
int index,
gboolean trailing,
int *x_pos);
void pango_layout_line_get_x_ranges (PangoLayoutLine *line,
int start_index,
int end_index,
int **ranges,
int *n_ranges);
void pango_layout_line_get_extents (PangoLayoutLine *line,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
void pango_layout_line_get_pixel_extents (PangoLayoutLine *layout_line,
PangoRectangle *ink_rect,
PangoRectangle *logical_rect);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __PANGO_LAYOUT_H__ */
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