You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
138 lines
3.6 KiB
138 lines
3.6 KiB
/**
|
|
* xrdp: A Remote Desktop Protocol server.
|
|
*
|
|
* Copyright (C) Jay Sorg 2004-2014
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
* region
|
|
*/
|
|
|
|
#if defined(HAVE_CONFIG_H)
|
|
#include <config_ac.h>
|
|
#endif
|
|
|
|
#include "xrdp.h"
|
|
|
|
#if defined(XRDP_PIXMAN)
|
|
#include <pixman.h>
|
|
#else
|
|
#include "pixman-region.h"
|
|
#endif
|
|
|
|
/*****************************************************************************/
|
|
struct xrdp_region *
|
|
xrdp_region_create(struct xrdp_wm *wm)
|
|
{
|
|
struct xrdp_region *self;
|
|
|
|
self = (struct xrdp_region *)g_malloc(sizeof(struct xrdp_region), 1);
|
|
self->wm = wm;
|
|
self->reg = (struct pixman_region16 *)
|
|
g_malloc(sizeof(struct pixman_region16), 1);
|
|
pixman_region_init(self->reg);
|
|
return self;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void
|
|
xrdp_region_delete(struct xrdp_region *self)
|
|
{
|
|
if (self == 0)
|
|
{
|
|
return;
|
|
}
|
|
pixman_region_fini(self->reg);
|
|
g_free(self->reg);
|
|
g_free(self);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error */
|
|
int
|
|
xrdp_region_add_rect(struct xrdp_region *self, struct xrdp_rect *rect)
|
|
{
|
|
struct pixman_region16 lreg;
|
|
|
|
pixman_region_init_rect(&lreg, rect->left, rect->top,
|
|
rect->right - rect->left,
|
|
rect->bottom - rect->top);
|
|
if (!pixman_region_union(self->reg, self->reg, &lreg))
|
|
{
|
|
pixman_region_fini(&lreg);
|
|
return 1;
|
|
}
|
|
pixman_region_fini(&lreg);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error */
|
|
int
|
|
xrdp_region_subtract_rect(struct xrdp_region *self, struct xrdp_rect *rect)
|
|
{
|
|
struct pixman_region16 lreg;
|
|
|
|
pixman_region_init_rect(&lreg, rect->left, rect->top,
|
|
rect->right - rect->left,
|
|
rect->bottom - rect->top);
|
|
if (!pixman_region_subtract(self->reg, self->reg, &lreg))
|
|
{
|
|
pixman_region_fini(&lreg);
|
|
return 1;
|
|
}
|
|
pixman_region_fini(&lreg);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* returns error */
|
|
int
|
|
xrdp_region_intersect_rect(struct xrdp_region* self, struct xrdp_rect* rect)
|
|
{
|
|
struct pixman_region16 lreg;
|
|
|
|
pixman_region_init_rect(&lreg, rect->left, rect->top,
|
|
rect->right - rect->left,
|
|
rect->bottom - rect->top);
|
|
if (!pixman_region_intersect(self->reg, self->reg, &lreg))
|
|
{
|
|
pixman_region_fini(&lreg);
|
|
return 1;
|
|
}
|
|
pixman_region_fini(&lreg);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* returns error */
|
|
int
|
|
xrdp_region_get_rect(struct xrdp_region *self, int index,
|
|
struct xrdp_rect *rect)
|
|
{
|
|
struct pixman_box16 *box;
|
|
int count;
|
|
|
|
box = pixman_region_rectangles(self->reg, &count);
|
|
if ((box != 0) && (index >= 0) && (index < count))
|
|
{
|
|
rect->left = box[index].x1;
|
|
rect->top = box[index].y1;
|
|
rect->right = box[index].x2;
|
|
rect->bottom = box[index].y2;
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|