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102 lines
2.7 KiB
102 lines
2.7 KiB
11 years ago
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/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Laxmikant Rashinkar 2014
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Routines to copy regions from framebuffer to shared memory
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* this should be before all X11 .h files */
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#include <xorg-server.h>
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/* all driver need this */
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#include <xf86.h>
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#include <xf86_OSproc.h>
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#include "rdp.h"
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#include "rdpDraw.h"
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#include "rdpClientCon.h"
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#define LOG_LEVEL 1
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#define LLOGLN(_level, _args) \
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do { if (_level < LOG_LEVEL) { ErrorF _args ; ErrorF("\n"); } } while (0)
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/**
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* Copy an array of rectangles from one memory area to another
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*****************************************************************************/
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Bool rdpCapture(RegionPtr in_reg, RegionPtr out_reg,
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void *src, int src_width, int src_height, int src_stride, int src_format,
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void *dst, int dst_width, int dst_height, int dst_stride, int dst_format,
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int mode)
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{
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BoxRec rect;
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char *src_rect;
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char *dst_rect;
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int num_regions;
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int bpp;
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int width;
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int height;
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int offset;
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int bytes;
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int i;
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int j;
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/*
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* note: mode = 0: default, one is to one copy
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* xxx_format = 0: default, 4 bytes per pixel
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*/
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/* for now we only handle defaults */
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/* number of rectangles to copy */
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num_regions = REGION_NUM_RECTS(in_reg);
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/* get bytes per pixel */
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bpp = src_stride / src_width;
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for (i = 0; i < num_regions; i++)
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{
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/* get rect to copy */
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rect = REGION_RECTS(in_reg)[i];
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/* get rect dimensions */
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width = rect.x2 - rect.x1;
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height = rect.y2 - rect.y1;
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/* point to start of each rect in respective memory */
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offset = rect.y1 * src_stride + rect.x1 * bpp;
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src_rect = src + offset;
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dst_rect = dst + offset;
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/* bytes per line */
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bytes = width * bpp;
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/* copy one line at a time */
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for (j = 0; j < height; j++)
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{
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memcpy(dst_rect, src_rect, bytes);
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src_rect += src_stride;
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dst_rect += src_stride;
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}
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}
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return rdpRegionCopy(out_reg, in_reg);
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}
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