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/**
* $Id: RawImageRsrc.cpp 14444 2008-04-16 22:40:48Z hos $
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "RawImageRsrc.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
RawImageRsrc::RawImageRsrc()
: m_width(0), m_height(0)
{
}
bool RawImageRsrc::load(
HINSTANCE hInstApp, LPCTSTR lpName, LPCTSTR lpType,
int srcWidth, int srcHeight,
int width, int height,
TImageAlignment alignment, int offsetX, int offsetY)
{
bool success = MemoryResource::load(hInstApp, lpName, lpType);
if (success) {
void* tempData = m_data;
int numBytes = width*height*4;
m_data = new char [numBytes];
if (m_data) {
::memset(m_data, 0x00000000, numBytes);
m_width = width;
m_height = height;
int srcBytesWidth = srcWidth * 4;
int dstBytesWidth = width * 4;
int numRows = (srcHeight + offsetY) < height ? srcHeight : height - offsetY;
numBytes = (srcWidth + offsetX) < width ? srcBytesWidth : (width - offsetX)*4;
if ((offsetX < width) && (offsetY < height)) {
unsigned char* src = (unsigned char*)tempData;
unsigned char* dst = (unsigned char*)m_data;
if (alignment == alignTopLeft) {
// Put original in upper left corner
// Add vertical offset
dst += offsetY * dstBytesWidth;
// Add horizontal offset
dst += offsetX * 4;
for (int row = 0; row < numRows; row++) {
::memcpy(dst, src, numBytes);
src += srcBytesWidth;
dst += dstBytesWidth;
}
}
else {
// Put original in lower right corner
// Add vertical offset
dst += (height - (srcHeight + offsetY)) * dstBytesWidth;
// Add horizontal offset
if (width > (srcWidth + offsetX)) {
dst += (width - (srcWidth + offsetX)) * 4;
}
else {
src += (srcWidth + offsetX - width) * 4;
}
for (int row = 0; row < numRows; row++) {
::memcpy(dst, src, numBytes);
src += srcBytesWidth;
dst += dstBytesWidth;
}
}
}
delete [] tempData;
}
else {
// Allocation failed, restore old data
m_data = tempData;
success = false;
}
}
return success;
}
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