1 /*
2  * Copyright © 2011 Kristian Høgsberg
3  * Copyright © 2011 Benjamin Franzke
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23  * DEALINGS IN THE SOFTWARE.
24  *
25  * Authors:
26  *    Kristian Høgsberg <krh@bitplanet.net>
27  *    Benjamin Franzke <benjaminfranzke@googlemail.com>
28  */
29 
30 #include <stdlib.h>
31 
32 #include <wayland-client.h>
33 #include "wayland-egl.h"
34 #include "wayland-egl-priv.h"
35 
36 WL_EGL_EXPORT void
wl_egl_window_resize(struct wl_egl_window * egl_window,int width,int height,int dx,int dy)37 wl_egl_window_resize(struct wl_egl_window *egl_window,
38 		     int width, int height,
39 		     int dx, int dy)
40 {
41 	if (width <= 0 || height <= 0)
42 		return;
43 
44 	egl_window->width  = width;
45 	egl_window->height = height;
46 	egl_window->dx     = dx;
47 	egl_window->dy     = dy;
48 
49 	if (egl_window->resize_callback)
50 		egl_window->resize_callback(egl_window, egl_window->private);
51 }
52 
53 WL_EGL_EXPORT struct wl_egl_window *
wl_egl_window_create(struct wl_surface * surface,int width,int height)54 wl_egl_window_create(struct wl_surface *surface,
55 		     int width, int height)
56 {
57 	struct wl_egl_window *egl_window;
58 
59 	if (width <= 0 || height <= 0)
60 		return NULL;
61 
62 	egl_window = malloc(sizeof *egl_window);
63 	if (!egl_window)
64 		return NULL;
65 
66 	egl_window->surface = surface;
67 	egl_window->private = NULL;
68 	egl_window->resize_callback = NULL;
69 	egl_window->destroy_window_callback = NULL;
70 	wl_egl_window_resize(egl_window, width, height, 0, 0);
71 	egl_window->attached_width  = 0;
72 	egl_window->attached_height = 0;
73 
74 	return egl_window;
75 }
76 
77 WL_EGL_EXPORT void
wl_egl_window_destroy(struct wl_egl_window * egl_window)78 wl_egl_window_destroy(struct wl_egl_window *egl_window)
79 {
80 	if (egl_window->destroy_window_callback)
81 		egl_window->destroy_window_callback(egl_window->private);
82 	free(egl_window);
83 }
84 
85 WL_EGL_EXPORT void
wl_egl_window_get_attached_size(struct wl_egl_window * egl_window,int * width,int * height)86 wl_egl_window_get_attached_size(struct wl_egl_window *egl_window,
87 				int *width, int *height)
88 {
89 	if (width)
90 		*width = egl_window->attached_width;
91 	if (height)
92 		*height = egl_window->attached_height;
93 }
94