xrdp/common/pixman-region.h

76 lines
2.4 KiB
C

/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2016
*
* 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, from pixman.h
*/
#ifndef PIXMAN_PIXMAN_H__
#define PIXMAN_PIXMAN_H__
typedef int pixman_bool_t;
struct pixman_region16_data
{
long size;
long numRects;
};
struct pixman_box16
{
signed short x1, y1, x2, y2;
};
struct pixman_region16
{
struct pixman_box16 extents;
struct pixman_region16_data *data;
};
enum _pixman_region_overlap_t
{
PIXMAN_REGION_OUT,
PIXMAN_REGION_IN,
PIXMAN_REGION_PART
};
typedef enum _pixman_region_overlap_t pixman_region_overlap_t;
typedef struct pixman_region16_data pixman_region16_data_t;
typedef struct pixman_box16 pixman_box16_t;
typedef struct pixman_region16 pixman_region16_t;
/* creation/destruction */
void pixman_region_init (pixman_region16_t *region);
void pixman_region_init_rect (pixman_region16_t *region, int x, int y,
unsigned int width, unsigned int height);
void pixman_region_fini (pixman_region16_t *region);
pixman_bool_t pixman_region_union (pixman_region16_t *new_reg,
pixman_region16_t *reg1,
pixman_region16_t *reg2);
pixman_bool_t pixman_region_subtract (pixman_region16_t *reg_d,
pixman_region16_t *reg_m,
pixman_region16_t *reg_s);
pixman_bool_t pixman_region_intersect (pixman_region16_t *new_reg,
pixman_region16_t *reg1,
pixman_region16_t *reg2);
pixman_box16_t *pixman_region_rectangles (pixman_region16_t *region,
int *n_rects);
pixman_bool_t pixman_region_not_empty (pixman_region16_t *region);
pixman_box16_t *pixman_region_extents (pixman_region16_t *region);
#endif