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comparison src/X_main.c @ 3:164162781a7a

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Test cairo with Xlib surface
author Thinker K.F. Li <thinker@branda.to>
date Fri, 25 Jul 2008 10:09:53 +0800
parents
children 9c331ec9e210
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2:31402929c587 3:164162781a7a
1 #include <stdio.h>
2 #include <unistd.h>
3 #include <X11/Xlib.h>
4 #include <cairo.h>
5
6 void drawing(cairo_surface_t *surface, int w, int h) {
7 cairo_t *cr;
8
9 cr = cairo_create(surface);
10 cairo_set_source_rgb(cr, 0xff, 0xff, 0x80);
11 cairo_move_to(cr, 10, h / 2);
12 cairo_set_font_size(cr, 48.0);
13 cairo_text_path(cr, "hello \xe4\xb8\xad\xe6\x96\x87");
14 cairo_set_line_width(cr, 1);
15 cairo_stroke(cr);
16 }
17
18 int
19 main(int argc, char * const argv[]) {
20 Display *display;
21 Window root;
22 Visual *visual;
23 int screen;
24 XSetWindowAttributes wattr;
25 Window win;
26 int depth;
27 cairo_surface_t *surface;
28 int w, h;
29 int x, y;
30 int r;
31
32 display = XOpenDisplay(":0.0");
33 if(display == NULL)
34 printf("XOpenDisplay\n");
35 screen = DefaultScreen(display);
36 root = DefaultRootWindow(display);
37 visual = DefaultVisual(display, screen);
38 depth = DefaultDepth(display, screen);
39 wattr.override_redirect = False;
40 x = 10;
41 y = 10;
42 w = 200;
43 h = 200;
44 win = XCreateWindow(display, root,
45 x, y,
46 w, h,
47 1, depth, InputOutput, visual,
48 CWOverrideRedirect, &wattr);
49 r = XMapWindow(display, win);
50
51 surface = cairo_xlib_surface_create(display, win, visual, w, h);
52 if(surface == NULL)
53 printf("cairo_xlib_surface_create\n");
54
55 drawing(surface, w, h);
56
57 XFlush(display);
58 sleep(10);
59
60 XCloseDisplay(display);
61 }