tgraphics.h - ltk - Socket-based GUI for X11 (WIP)
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tgraphics.h (3877B)
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1 /*
2 * Copyright (c) 2021, 2022 lumidify <nobody@lumidify.org>
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #ifndef LTK_GRAPHICS_H
18 #define LTK_GRAPHICS_H
19
20 /* FIXME: make this global and use it elsewhere */
21 #define USE_XLIB_GRAPHICS 1
22
23 typedef struct ltk_renderdata ltk_renderdata;
24
25 /* FIXME: Is it faster to take ltk_color* or ltk_color? */
26
27 #include <X11/Xft/Xft.h>
28 #include "rect.h"
29 #include "color.h"
30 #include "ltk.h"
31 #include "compat.h"
32
33 typedef enum {
34 LTK_BORDER_NONE = 0,
35 LTK_BORDER_TOP = 1,
36 LTK_BORDER_RIGHT = 2,
37 LTK_BORDER_BOTTOM = 4,
38 LTK_BORDER_LEFT = 8,
39 LTK_BORDER_ALL = 0xF
40 } ltk_border_sides;
41
42 /* typedef struct ltk_surface ltk_surface; */
43
44 /* FIXME: graphics context */
45 ltk_surface *ltk_surface_create(ltk_renderdata *renderdata, int w, int h);
46 void ltk_surface_destroy(ltk_surface *s);
47 /* returns 0 if successful, 1 if not resizable */
48 int ltk_surface_resize(ltk_surface *s, int w, int h);
49 /* FIXME: kind of hacky */
50 void ltk_surface_update_size(ltk_surface *s, int w, int h);
51 ltk_surface *ltk_surface_from_window(ltk_renderdata *renderdata, int w, int h);
52 void ltk_surface_get_size(ltk_surface *s, int *w, int *h);
53 void ltk_surface_copy(ltk_surface *src, ltk_surface *dst, ltk_rect src_rect, int dst_x, int dst_y);
54 void ltk_surface_draw_rect(ltk_surface *s, ltk_color *c, ltk_rect rect, int line_width);
55 void ltk_surface_fill_rect(ltk_surface *s, ltk_color *c, ltk_rect rect);
56 /* FIXME: document properly, especiall difference to draw_rect with offsets and line_width */
57 void ltk_surface_draw_border(ltk_surface *s, ltk_color *c, ltk_rect rect, int line_width, ltk_border_sides border_sides);
58 void ltk_surface_draw_border_clipped(ltk_surface *s, ltk_color *c, ltk_rect rect, ltk_rect clip_rect, int line_width, ltk_border_sides border_sides);
59 void ltk_surface_fill_polygon(ltk_surface *s, ltk_color *c, ltk_point *points, size_t npoints);
60 void ltk_surface_fill_polygon_clipped(ltk_surface *s, ltk_color *c, ltk_point *points, size_t npoints, ltk_rect clip);
61
62 /* TODO */
63 /*
64 void ltk_surface_draw_arc(ltk_surface *s, ltk_color *c, int x, int y, int w, int h, int angle1, int angle2, int line_width);
65 void ltk_surface_fill_arc(ltk_surface *s, ltk_color *c, int x, int y, int w, int h, int angle1, int angle2);
66 void ltk_surface_draw_circle(ltk_surface *s, ltk_color *c, int xc, int yc, int r, int line_width);
67 void ltk_surface_fill_circle(ltk_surface *s, ltk_color *c, int xc, int yc, int r);
68 */
69
70 /* FIXME: only generate draw if needed */
71 #if USE_XFT == 1
72 XftDraw *ltk_surface_get_xft_draw(ltk_surface *s);
73 #endif
74 #if USE_XLIB_GRAPHICS == 1
75 Drawable ltk_surface_get_drawable(ltk_surface *s);
76 #endif
77
78 void renderer_set_imspot(ltk_renderdata *renderdata, int x, int y);
79 ltk_renderdata *renderer_create_window(const char *title, int x, int y, unsigned int w, unsigned int h);
80 void renderer_destroy_window(ltk_renderdata *renderdata);
81 void renderer_set_window_properties(ltk_renderdata *renderdata, ltk_color *bg);
82 /* FIXME: this is kind of out of place */
83 void renderer_swap_buffers(ltk_renderdata *renderdata);
84 /* FIXME: this is just for the socket name and is a bit weird */
85 unsigned long renderer_get_window_id(ltk_renderdata *renderdata);
86
87 #endif /* LTK_GRAPHICS_H */