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/* Copyright (c) 2012 Jess VanDerwalker <washu@sonic.net>
*
* image.c
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <xcwm/xcwm.h>
#include <xcb/xcb.h>
#include <xcb/xcb_aux.h>
#include <xcb/xcb_image.h>
#include "xcwm_internal.h"
xcwm_image_t *
xcwm_image_copy_full(xcwm_window_t *window)
{
xcb_get_geometry_reply_t *geom_reply;
xcb_image_t *image;
geom_reply = _xcwm_get_window_geometry(window->context->conn,
window->window_id);
xcb_flush(window->context->conn);
/* Get the full image of the window */
image = xcb_image_get(window->context->conn,
window->window_id,
0,
0,
geom_reply->width,
geom_reply->height,
(unsigned int)~0L,
XCB_IMAGE_FORMAT_Z_PIXMAP);
if (!image) {
return NULL;
}
xcwm_image_t * xcwm_image = malloc(sizeof(xcwm_image_t));
xcwm_image->image = image;
xcwm_image->x = geom_reply->x;
xcwm_image->y = geom_reply->y;
xcwm_image->width = geom_reply->width;
xcwm_image->height = geom_reply->height;
free(geom_reply);
return xcwm_image;
}
xcwm_image_t *
xcwm_image_copy_damaged(xcwm_window_t *window)
{
xcb_image_t *image;
xcb_flush(window->context->conn);
/* Return null if image is 0 by 0 */
if (window->dmg_bounds->width == 0 || window->dmg_bounds->height == 0) {
return NULL;
}
/* Get the image of the damaged area of the window */
image = xcb_image_get(window->context->conn,
window->window_id,
window->dmg_bounds->x,
window->dmg_bounds->y,
window->dmg_bounds->width,
window->dmg_bounds->height,
(unsigned int)~0L,
XCB_IMAGE_FORMAT_Z_PIXMAP);
/* Failed to get a valid image, return null */
if (!image) {
return NULL;
}
xcwm_image_t * xcwm_image = malloc(sizeof(xcwm_image_t));
xcwm_image->image = image;
xcwm_image->x = window->dmg_bounds->x;
xcwm_image->y = window->dmg_bounds->y;
xcwm_image->width = window->dmg_bounds->width;
xcwm_image->height = window->dmg_bounds->height;
return xcwm_image;
}
void
xcwm_image_destroy(xcwm_image_t * image)
{
xcb_image_destroy(image->image);
free(image);
}
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