2 * draw.h - draw functions header
4 * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #ifndef AWESOME_COMMON_DRAW_H
23 #define AWESOME_COMMON_DRAW_H
26 #include <pango/pangocairo.h>
31 #include "common/array.h"
32 #include "common/list.h"
33 #include "common/buffer.h"
34 #include "common/xutil.h"
38 unsigned initialized
: 1;
50 AlignCenter
= (1 << 1),
52 AlignBottom
= (1 << 3),
56 typedef struct vector_t vector_t
;
59 /** Co-ords of starting point */
62 /** Offset to starting point */
67 typedef struct area_t area_t
;
70 /** Co-ords of upper left corner */
77 DO_ARRAY(area_t
, area
, DO_NOTHING
)
79 #define AREA_LEFT(a) ((a).x)
80 #define AREA_TOP(a) ((a).y)
81 #define AREA_RIGHT(a) ((a).x + (a).width)
82 #define AREA_BOTTOM(a) ((a).y + (a).height)
86 PangoFontDescription
*desc
;
93 xcb_visualtype_t
*visual
;
99 cairo_surface_t
*surface
;
105 void draw_context_init(draw_context_t
*, int, int, int,
106 xcb_pixmap_t
, const xcolor_t
*, const xcolor_t
*);
108 /** Wipe a draw context.
109 * \param ctx The draw_context_t to wipe.
112 draw_context_wipe(draw_context_t
*ctx
)
116 g_object_unref(ctx
->layout
);
121 cairo_surface_destroy(ctx
->surface
);
126 cairo_destroy(ctx
->cr
);
131 font_t
*draw_font_new(const char *);
132 void draw_font_delete(font_t
**);
134 char * draw_iso2utf8(const char *, size_t);
137 a_iso2utf8(char **dest
, const char *str
, ssize_t len
)
140 if((utf8
= draw_iso2utf8(str
, len
)))
145 *dest
= a_strdup(str
);
151 PangoAttrList
*attr_list
;
157 int left
, right
, top
;
166 alignment_t bg_align
;
178 } draw_parser_data_t
;
180 bool draw_text_markup_expand(draw_parser_data_t
*, const char *, ssize_t
);
182 void draw_text(draw_context_t
*, font_t
*, area_t
, const char *, ssize_t len
, draw_parser_data_t
*);
183 void draw_rectangle(draw_context_t
*, area_t
, float, bool, const xcolor_t
*);
184 void draw_rectangle_gradient(draw_context_t
*, area_t
, float, bool, vector_t
,
185 const xcolor_t
*, const xcolor_t
*, const xcolor_t
*);
187 void draw_graph_setup(draw_context_t
*);
188 void draw_graph(draw_context_t
*, area_t
, int *, int *, int, position_t
, vector_t
,
189 const xcolor_t
*, const xcolor_t
*, const xcolor_t
*);
190 void draw_graph_line(draw_context_t
*, area_t
, int *, int, position_t
, vector_t
,
191 const xcolor_t
*, const xcolor_t
*, const xcolor_t
*);
192 void draw_image(draw_context_t
*, int, int, int, image_t
*);
193 void draw_rotate(draw_context_t
*, xcb_drawable_t
, xcb_drawable_t
, int, int, int, int, double, int, int);
194 area_t
draw_text_extents(font_t
*, const char *, ssize_t
, draw_parser_data_t
*);
195 alignment_t
draw_align_fromstr(const char *, ssize_t
);
196 const char *draw_align_tostr(alignment_t
);
202 xcb_alloc_color_cookie_t cookie_hexa
;
203 xcb_alloc_named_color_cookie_t cookie_named
;
208 bool is_hexa
, has_error
;
210 } xcolor_init_request_t
;
212 xcolor_init_request_t
xcolor_init_unchecked(xcolor_t
*, const char *, ssize_t
);
213 bool xcolor_init_reply(xcolor_init_request_t
);
216 draw_parser_data_init(draw_parser_data_t
*pdata
)
222 draw_parser_data_wipe(draw_parser_data_t
*pdata
)
226 pango_attr_list_unref(pdata
->attr_list
);
227 p_delete(&pdata
->text
);
228 image_unref(&pdata
->bg_image
);
233 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80