forked from bartvdbraak/blender
137 lines
3.5 KiB
C++
137 lines
3.5 KiB
C++
/*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file gameengine/GamePlayer/common/GPC_RawImage.cpp
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* \ingroup player
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*/
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#include <iostream>
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#include <string.h>
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#include "GPC_RawImage.h"
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#include "GPC_RawLogoArrays.h"
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GPC_RawImage::GPC_RawImage()
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: m_data(0), m_dataSize(0), m_width(0), m_height(0)
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{
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}
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bool GPC_RawImage::Load(
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const char *srcName,
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int destWidth, int destHeight,
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TImageAlignment alignment, int offsetX, int offsetY)
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{
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int srcWidth, srcHeight;
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bool success = true;
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if(strcmp(srcName, "BlenderLogo") == 0)
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GetRawBlenderLogo(&m_data, &srcWidth, &srcHeight);
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else
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if(strcmp(srcName, "Blender3DLogo") == 0)
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GetRawBlender3DLogo(&m_data, &srcWidth, &srcHeight);
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#if 0
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else
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if(strcmp(srcName, "NaNLogo") == 0)
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GetRawNaNLogo(&m_data, &srcWidth, &srcHeight);
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#endif
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else // unknown image
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success = false;
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if(success)
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{
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unsigned char *tempData = m_data;
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int numBytes = destWidth * destHeight * 4;
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m_data = new unsigned char[numBytes]; // re-use m_data ('unsigned char' was 'char')
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if(m_data)
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{
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::memset(m_data, 0x00000000, numBytes);
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m_width = destWidth;
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m_height = destHeight;
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int srcBytesWidth = srcWidth * 4;
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int dstBytesWidth = m_width * 4;
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int numRows = (srcHeight + offsetY) < m_height ? srcHeight : m_height - offsetY;
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numBytes = (srcWidth + offsetX) < m_width ? srcBytesWidth : (m_width - offsetX) * 4;
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if((offsetX < m_width) && (offsetY < m_height))
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{
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unsigned char* src = (unsigned char*)tempData;
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unsigned char* dst = (unsigned char*)m_data;
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if(alignment == alignTopLeft)
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{
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// Put original in upper left corner
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// Add vertical offset
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dst += offsetY * dstBytesWidth;
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// Add horizontal offset
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dst += offsetX * 4;
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for (int row = 0; row < numRows; row++)
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{
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::memcpy(dst, src, numBytes);
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src += srcBytesWidth;
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dst += dstBytesWidth;
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}
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}
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else
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{
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// Put original in lower right corner
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// Add vertical offset
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dst += (m_height - (srcHeight + offsetY)) * dstBytesWidth;
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// Add horizontal offset
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if (m_width > (srcWidth + offsetX)) {
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dst += (m_width - (srcWidth + offsetX)) * 4;
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}
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else {
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src += (srcWidth + offsetX - m_width) * 4;
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}
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for (int row = 0; row < numRows; row++) {
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::memcpy(dst, src, numBytes);
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src += srcBytesWidth;
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dst += dstBytesWidth;
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}
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}
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}
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// doesn't compile under Linux delete [] tempData;
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delete tempData;
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}
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else {
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// Allocation failed, restore old data
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m_data = tempData;
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success = false;
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}
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}
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return success;
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}
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