136 lines
4.6 KiB
C
136 lines
4.6 KiB
C
/**
|
|
* Copyright © 2014 Thincast Technologies GmbH
|
|
* Copyright © 2014 Hardening <contact@hardening-consulting.com>
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and
|
|
* its documentation for any purpose is hereby granted without fee, provided
|
|
* that the above copyright notice appear in all copies and that both that
|
|
* copyright notice and this permission notice appear in supporting
|
|
* documentation, and that the name of the copyright holders not be used in
|
|
* advertising or publicity pertaining to distribution of the software
|
|
* without specific, written prior permission. The copyright holders make
|
|
* no representations about the suitability of this software for any
|
|
* purpose. It is provided "as is" without express or implied warranty.
|
|
*
|
|
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
|
|
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
|
|
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
|
|
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
|
|
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __REGION_H___
|
|
#define __REGION_H___
|
|
|
|
#include <freerdp/api.h>
|
|
#include <freerdp/types.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct _REGION16_DATA;
|
|
typedef struct _REGION16_DATA REGION16_DATA;
|
|
|
|
/**
|
|
* @brief
|
|
*/
|
|
struct _REGION16 {
|
|
RECTANGLE_16 extents;
|
|
REGION16_DATA *data;
|
|
};
|
|
typedef struct _REGION16 REGION16;
|
|
|
|
/** computes if two rectangles intersect
|
|
* @param r1 first rectangle
|
|
* @param r2 second rectangle
|
|
* @return if the two rectangles intersect
|
|
*/
|
|
FREERDP_API BOOL rectangles_intersects(const RECTANGLE_16 *r1, const RECTANGLE_16 *r2);
|
|
|
|
/** computes the intersection of two rectangles
|
|
* @param r1 first rectangle
|
|
* @param r2 second rectangle
|
|
* @param dst resulting intersection
|
|
* @return if the two rectangles intersect
|
|
*/
|
|
FREERDP_API BOOL rectangles_intersection(const RECTANGLE_16 *r1, const RECTANGLE_16 *r2, RECTANGLE_16 *dst);
|
|
|
|
/** initialize a region16
|
|
* @param region the region to initialise
|
|
*/
|
|
FREERDP_API void region16_init(REGION16 *region);
|
|
|
|
/** @return the number of rectangles of this region16 */
|
|
FREERDP_API int region16_n_rects(const REGION16 *region);
|
|
|
|
/** returns a pointer on rectangles and the number of rectangles in this region.
|
|
* nbRect can be set to NULL if not interested by the numnber of rectangles.
|
|
* @param region the input region
|
|
* @param nbRects a pointer that will be filled with the number of rectangles
|
|
* @return a pointer on the rectangles
|
|
*/
|
|
FREERDP_API const RECTANGLE_16 *region16_rects(const REGION16 *region, int *nbRects);
|
|
|
|
/** @return the extents rectangle of this region */
|
|
FREERDP_API const RECTANGLE_16 *region16_extents(const REGION16 *region);
|
|
|
|
/** returns if the region is empty
|
|
* @param region
|
|
* @return if the region is empty
|
|
*/
|
|
FREERDP_API BOOL region16_is_empty(const REGION16 *region);
|
|
|
|
/** clears the region, the region is resetted to a (0,0,0,0) region
|
|
* @param region
|
|
*/
|
|
FREERDP_API void region16_clear(REGION16 *region);
|
|
|
|
/** dumps the region on stderr
|
|
* @param region the region to dump
|
|
*/
|
|
FREERDP_API void region16_print(const REGION16 *region);
|
|
|
|
/** copies the region to another region
|
|
* @param dst destination region
|
|
* @param src source region
|
|
* @return if the operation was successful (false meaning out-of-memory)
|
|
*/
|
|
FREERDP_API BOOL region16_copy(REGION16 *dst, const REGION16 *src);
|
|
|
|
/** adds a rectangle in src and stores the resulting region in dst
|
|
* @param dst destination region
|
|
* @param src source region
|
|
* @param rect the rectangle to add
|
|
* @return if the operation was successful (false meaning out-of-memory)
|
|
*/
|
|
FREERDP_API BOOL region16_union_rect(REGION16 *dst, const REGION16 *src, const RECTANGLE_16 *rect);
|
|
|
|
/** returns if a rectangle intersects the region
|
|
* @param src the region
|
|
* @param arg2 the rectangle
|
|
* @return if region and rectangle intersect
|
|
*/
|
|
FREERDP_API BOOL region16_intersects_rect(const REGION16 *src, const RECTANGLE_16 *arg2);
|
|
|
|
/** computes the intersection between a region and a rectangle
|
|
* @param dst destination region
|
|
* @param src the source region
|
|
* @param arg2 the rectangle that intersects
|
|
* @return if the operation was successful (false meaning out-of-memory)
|
|
*/
|
|
FREERDP_API BOOL region16_intersect_rect(REGION16 *dst, const REGION16 *src, const RECTANGLE_16 *arg2);
|
|
|
|
/** release internal data associated with this region
|
|
* @param region the region to release
|
|
*/
|
|
FREERDP_API void region16_uninit(REGION16 *region);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __REGION_H___ */
|