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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Laxmikant Rashinkar 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.
*
* Routines to copy regions from framebuffer to shared memory
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* this should be before all X11 .h files */
#include <xorg-server.h>
/* all driver need this */
#include <xf86.h>
#include <xf86_OSproc.h>
#include "rdp.h"
#include "rdpDraw.h"
#include "rdpClientCon.h"
#include "rdpReg.h"
#define LOG_LEVEL 1
#define LLOGLN(_level, _args) \
do { if (_level < LOG_LEVEL) { ErrorF _args ; ErrorF("\n"); } } while (0)
/**
* Copy an array of rectangles from one memory area to another
*****************************************************************************/
Bool rdpCapture(RegionPtr in_reg, RegionPtr out_reg,
void *src, int src_width, int src_height, int src_stride, int src_format,
void *dst, int dst_width, int dst_height, int dst_stride, int dst_format,
int mode)
{
BoxRec rect;
char *src_rect;
char *dst_rect;
int num_regions;
int bpp;
int width;
int height;
int offset;
int bytes;
int i;
int j;
/*
* note: mode = 0: default, one is to one copy
* xxx_format = 0: default, 4 bytes per pixel
*/
/* for now we only handle defaults */
/* number of rectangles to copy */
num_regions = REGION_NUM_RECTS(in_reg);
/* get bytes per pixel */
bpp = src_stride / src_width;
for (i = 0; i < num_regions; i++)
{
/* get rect to copy */
rect = REGION_RECTS(in_reg)[i];
/* get rect dimensions */
width = rect.x2 - rect.x1;
height = rect.y2 - rect.y1;
/* point to start of each rect in respective memory */
offset = rect.y1 * src_stride + rect.x1 * bpp;
src_rect = src + offset;
dst_rect = dst + offset;
/* bytes per line */
bytes = width * bpp;
/* copy one line at a time */
for (j = 0; j < height; j++)
{
memcpy(dst_rect, src_rect, bytes);
src_rect += src_stride;
dst_rect += src_stride;
}
}
return rdpRegionCopy(out_reg, in_reg);
}
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