common/draw.h

   1 /*
   2  * draw.h - draw functions header
   3  *
   4  * Copyright © 2007-2008 Julien Danjou <julien@danjou.info>
   5  *
   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.
  10  *
  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.
  15  *
  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.
  19  *
  20  */
  21
  22 #ifndef AWESOME_COMMON_DRAW_H
  23 #define AWESOME_COMMON_DRAW_H
  24
  25 #include <cairo.h>
  26 #include <X11/Xlib.h>
  27 #include <X11/Xft/Xft.h>
  28
  29 typedef enum
  30 {
  31     AlignLeft,
  32     AlignRight,
  33     AlignFlex,
  34     AlignCenter
  35 } Alignment;
  36
  37 typedef struct
  38 {
  39     /* Co-ords of upper left corner */
  40     int x;
  41     int y;
  42     int width;
  43     int height;
  44 } Area;
  45
  46 typedef struct
  47 {
  48     Display *display;
  49     Drawable drawable;
  50     Visual *visual;
  51     int width;
  52     int height;
  53     int phys_screen;
  54     int depth;
  55 } DrawCtx;
  56
  57 DrawCtx *draw_context_new(Display *, int, int, int, Drawable);
  58 void draw_text(DrawCtx *, Area, Alignment, int, XftFont *, const char *, XColor fg, XColor bg);
  59 void draw_rectangle(DrawCtx *, Area, Bool, XColor);
  60
  61 void draw_graph_init(DrawCtx *, cairo_surface_t **, cairo_t **);
  62 void draw_graph(cairo_t *, int, int, int, int *, int *, int, XColor);
  63 void draw_graph_end(cairo_surface_t *, cairo_t *);
  64 void draw_graph_line(cairo_t *, int, int, int, int *, int, XColor);
  65
  66 void draw_circle(DrawCtx *, int, int, int, Bool, XColor);
  67 void draw_image(DrawCtx *, int, int, int, const char *);
  68 void draw_image_from_argb_data(DrawCtx *, int, int, int, int, int, unsigned char *);
  69 Area draw_get_image_size(const char *filename);
  70 Drawable draw_rotate(DrawCtx *, int, double, int, int);
  71 unsigned short draw_textwidth(Display *, XftFont *, char *);
  72 Alignment draw_get_align(const char *);
  73 XColor draw_color_new(Display *, int, const char *);
  74
  75 #endif
  76 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80