summaryrefslogtreecommitdiff
path: root/gdk/gdkdrawable.h
blob: 151152c053018137c21274eacb456d46ec30542d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
/* GDK - The GIMP Drawing Kit
 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
 */

#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif

#ifndef __GDK_DRAWABLE_H__
#define __GDK_DRAWABLE_H__

#include <gdk/gdktypes.h>
#include <gdk/gdkgc.h>
#include <gdk-pixbuf/gdk-pixbuf.h>

#include <cairo.h>

G_BEGIN_DECLS

typedef struct _GdkDrawableClass GdkDrawableClass;

#define GDK_TYPE_DRAWABLE              (gdk_drawable_get_type ())
#define GDK_DRAWABLE(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DRAWABLE, GdkDrawable))
#define GDK_DRAWABLE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAWABLE, GdkDrawableClass))
#define GDK_IS_DRAWABLE(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DRAWABLE))
#define GDK_IS_DRAWABLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAWABLE))
#define GDK_DRAWABLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAWABLE, GdkDrawableClass))

struct _GdkDrawable
{
  GObject parent_instance;
};
 
struct _GdkDrawableClass 
{
  GObjectClass parent_class;
  
  GdkGC *(*create_gc)    (GdkDrawable    *drawable,
		          GdkGCValues    *values,
		          GdkGCValuesMask mask);
  void (*draw_rectangle) (GdkDrawable  *drawable,
			  GdkGC	       *gc,
			  gboolean	filled,
			  gint		x,
			  gint		y,
			  gint		width,
			  gint		height);
  void (*draw_drawable)  (GdkDrawable  *drawable,
			  GdkGC	       *gc,
			  GdkDrawable  *src,
			  gint		xsrc,
			  gint		ysrc,
			  gint		xdest,
			  gint		ydest,
			  gint		width,
			  gint		height);
  void (*draw_points)	 (GdkDrawable  *drawable,
			  GdkGC	       *gc,
			  GdkPoint     *points,
			  gint		npoints);
  void (*draw_segments)	 (GdkDrawable  *drawable,
			  GdkGC	       *gc,
			  GdkSegment   *segs,
			  gint		nsegs);
  void (*draw_lines)     (GdkDrawable  *drawable,
			  GdkGC        *gc,
			  GdkPoint     *points,
			  gint          npoints);

  gint (*get_depth)      (GdkDrawable  *drawable);
  void (*get_size)       (GdkDrawable  *drawable,
                          gint         *width,
                          gint         *height);

  void (*set_colormap)   (GdkDrawable  *drawable,
                          GdkColormap  *cmap);

  GdkColormap* (*get_colormap)	(GdkDrawable  *drawable);
  GdkVisual*   (*get_visual)	(GdkDrawable  *drawable);
  GdkScreen*   (*get_screen)	(GdkDrawable  *drawable);

  cairo_region_t*   (*get_clip_region)    (GdkDrawable  *drawable);
  cairo_region_t*   (*get_visible_region) (GdkDrawable  *drawable);

  GdkDrawable* (*get_composite_drawable) (GdkDrawable *drawable,
                                          gint         x,
                                          gint         y,
                                          gint         width,
                                          gint         height,
                                          gint        *composite_x_offset,
                                          gint        *composite_y_offset);

  cairo_surface_t *(*ref_cairo_surface) (GdkDrawable *drawable);

  GdkDrawable *(*get_source_drawable) (GdkDrawable *drawable);

  void         (*set_cairo_clip)      (GdkDrawable *drawable,
				       cairo_t *cr);

  cairo_surface_t * (*create_cairo_surface) (GdkDrawable *drawable,
					     int width,
					     int height);

  void (*draw_drawable_with_src)  (GdkDrawable  *drawable,
				   GdkGC	       *gc,
				   GdkDrawable  *src,
				   gint		xsrc,
				   gint		ysrc,
				   gint		xdest,
				   gint		ydest,
				   gint		width,
				   gint		height,
				   GdkDrawable  *original_src);

  /* Padding for future expansion */
  void         (*_gdk_reserved7)  (void);
  void         (*_gdk_reserved9)  (void);
  void         (*_gdk_reserved10) (void);
  void         (*_gdk_reserved11) (void);
  void         (*_gdk_reserved12) (void);
  void         (*_gdk_reserved13) (void);
  void         (*_gdk_reserved14) (void);
  void         (*_gdk_reserved15) (void);
};

GType           gdk_drawable_get_type     (void) G_GNUC_CONST;

/* Manipulation of drawables
 */
void            gdk_drawable_get_size     (GdkDrawable	  *drawable,
					   gint	          *width,
					   gint  	  *height);
void	        gdk_drawable_set_colormap (GdkDrawable	  *drawable,
					   GdkColormap	  *colormap);
GdkColormap*    gdk_drawable_get_colormap (GdkDrawable	  *drawable);
GdkVisual*      gdk_drawable_get_visual   (GdkDrawable	  *drawable);
gint            gdk_drawable_get_depth    (GdkDrawable	  *drawable);
GdkScreen*	gdk_drawable_get_screen   (GdkDrawable    *drawable);
GdkDisplay*	gdk_drawable_get_display  (GdkDrawable    *drawable);

/* Drawing
 */
void gdk_draw_point     (GdkDrawable      *drawable,
			 GdkGC            *gc,
			 gint              x,
			 gint              y);
void gdk_draw_line      (GdkDrawable      *drawable,
			 GdkGC            *gc,
			 gint              x1_,
			 gint              y1_,
			 gint              x2_,
			 gint              y2_);
void gdk_draw_rectangle (GdkDrawable      *drawable,
			 GdkGC            *gc,
			 gboolean          filled,
			 gint              x,
			 gint              y,
			 gint              width,
			 gint              height);
void gdk_draw_drawable  (GdkDrawable      *drawable,
			 GdkGC            *gc,
			 GdkDrawable      *src,
			 gint              xsrc,
			 gint              ysrc,
			 gint              xdest,
			 gint              ydest,
			 gint              width,
			 gint              height);
void gdk_draw_points    (GdkDrawable      *drawable,
			 GdkGC            *gc,
			 const GdkPoint   *points,
			 gint              n_points);
void gdk_draw_segments  (GdkDrawable      *drawable,
			 GdkGC            *gc,
			 const GdkSegment *segs,
			 gint              n_segs);
void gdk_draw_lines     (GdkDrawable      *drawable,
			 GdkGC            *gc,
			 const GdkPoint   *points,
			 gint              n_points);

void gdk_draw_layout_line (GdkDrawable      *drawable,
			   GdkGC            *gc,
			   gint              x,
			   gint              y,
			   PangoLayoutLine  *line);
void gdk_draw_layout      (GdkDrawable      *drawable,
			   GdkGC            *gc,
			   gint              x,
			   gint              y,
			   PangoLayout      *layout);

void gdk_draw_layout_line_with_colors (GdkDrawable     *drawable,
                                       GdkGC           *gc,
                                       gint             x,
                                       gint             y,
                                       PangoLayoutLine *line,
                                       const GdkColor  *foreground,
                                       const GdkColor  *background);
void gdk_draw_layout_with_colors      (GdkDrawable     *drawable,
                                       GdkGC           *gc,
                                       gint             x,
                                       gint             y,
                                       PangoLayout     *layout,
                                       const GdkColor  *foreground,
                                       const GdkColor  *background);

cairo_region_t *gdk_drawable_get_clip_region    (GdkDrawable *drawable);
cairo_region_t *gdk_drawable_get_visible_region (GdkDrawable *drawable);

G_END_DECLS

#endif /* __GDK_DRAWABLE_H__ */