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/* ScummVM - Scumm Interpreter
* Copyright (C) 2002-2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/stdafx.h"
#include "common/endian.h"
namespace Scumm {
void smush_decode_codec1(byte *dst, const byte *src, int left, int top, int width, int height, int pitch) {
byte val, code;
int32 length;
int h = height, size_line;
dst += top * pitch;
for (h = 0; h < height; h++) {
size_line = READ_LE_UINT16(src);
src += 2;
dst += left;
while (size_line > 0) {
code = *src++;
size_line--;
length = (code >> 1) + 1;
if (code & 1) {
val = *src++;
size_line--;
if (val)
memset(dst, val, length);
dst += length;
} else {
size_line -= length;
while (length--) {
val = *src++;
if (val)
*dst = val;
dst++;
}
}
}
dst += pitch - left - width;
}
}
} // End of namespace Scumm
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