blender/source/gameengine/GamePlayer/common/GPC_RawImage.cpp
2012-03-24 07:52:14 +00:00

135 lines
3.5 KiB
C++

/*
* ***** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 *****
*/
/** \file gameengine/GamePlayer/common/GPC_RawImage.cpp
* \ingroup player
*/
#include <iostream>
#include <string.h>
#include "GPC_RawImage.h"
#include "GPC_RawLogoArrays.h"
GPC_RawImage::GPC_RawImage()
: m_data(0), m_dataSize(0), m_width(0), m_height(0)
{
}
bool GPC_RawImage::Load(
const char *srcName,
int destWidth, int destHeight,
TImageAlignment alignment, int offsetX, int offsetY)
{
int srcWidth, srcHeight;
bool success = true;
if (strcmp(srcName, "BlenderLogo") == 0)
GetRawBlenderLogo(&m_data, &srcWidth, &srcHeight);
else
if (strcmp(srcName, "Blender3DLogo") == 0)
GetRawBlender3DLogo(&m_data, &srcWidth, &srcHeight);
#if 0
else
if (strcmp(srcName, "NaNLogo") == 0)
GetRawNaNLogo(&m_data, &srcWidth, &srcHeight);
#endif
else // unknown image
success = false;
if (success)
{
unsigned char *tempData = m_data;
int numBytes = destWidth * destHeight * 4;
m_data = new unsigned char[numBytes]; // re-use m_data ('unsigned char' was 'char')
if (m_data)
{
::memset(m_data, 0x00000000, numBytes);
m_width = destWidth;
m_height = destHeight;
int srcBytesWidth = srcWidth * 4;
int dstBytesWidth = m_width * 4;
int numRows = (srcHeight + offsetY) < m_height ? srcHeight : m_height - offsetY;
numBytes = (srcWidth + offsetX) < m_width ? srcBytesWidth : (m_width - offsetX) * 4;
if ((offsetX < m_width) && (offsetY < m_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 += (m_height - (srcHeight + offsetY)) * dstBytesWidth;
// Add horizontal offset
if (m_width > (srcWidth + offsetX)) {
dst += (m_width - (srcWidth + offsetX)) * 4;
}
else {
src += (srcWidth + offsetX - m_width) * 4;
}
for (int row = 0; row < numRows; row++) {
::memcpy(dst, src, numBytes);
src += srcBytesWidth;
dst += dstBytesWidth;
}
}
}
// doesn't compile under Linux delete [] tempData;
delete tempData;
}
else {
// Allocation failed, restore old data
m_data = tempData;
success = false;
}
}
return success;
}