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ATGAImage.h

Go to the documentation of this file.

/*
CS Senior Project 2003
Team : Leftfield
Project : ModernWarfare
Members :
- Russ Christensen              <rchriste@cs.utah.edu>
- Todd Smith                    <tcsmith@cs.utah.edu>
- Usit Duongsaa                 <duongsaa@cs.utah.edu>

Copyright 2003 Russ Christensen, Usit Duongsaa, and Todd Smith. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 
THIS SOFTWARE IS PROVIDED BY RUSS CHRISTENSEN, USIT DUONGSAA, AND TODD SMITH ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RUSS, USIT, TODD OR OTHER CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


//  Load TGA images, decode, and allow user to read values at pixel level

#if !defined(AFX_GRAPHICS_H__97DD8875_1535_40B5_9AC5_6396C9F6266F__INCLUDED_)
#define AFX_GRAPHICS_H__97DD8875_1535_40B5_9AC5_6396C9F6266F__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "ExternalLibs.h"

typedef unsigned long DWORD;
typedef unsigned int UINT;
typedef unsigned short WORD;
typedef unsigned char UBYTE;

struct tgaHeader
{
        UBYTE   IdLength;
        UBYTE   ColourMapType;
        UBYTE   DataTypeCode;
        WORD    ColourMapOrigin;
        UBYTE   ColourMapLength;
        UBYTE   ColourMapDepth;
        WORD    x_Origin;
        WORD    y_Origin;
        WORD    Width;
        WORD    Height;
        UBYTE   BitsPerPixel;
        UBYTE   ImageDescriptor;
};
        

class CImage  
{
public:
        CImage();
        virtual ~CImage();

public:
        inline void DecodeT10Tga24(const tgaHeader& Header, int& nImageSize);
        inline void DecodeT2Tga24(const tgaHeader& Header, const int& nImageSize);
        inline void DecodeT10Tga16(const tgaHeader& Header, const int& nImageSize);
        inline void DecodeT2Tga16(const tgaHeader& Header, const int& nImageSize);
        // Load a bmp
        // 
        // 
        void LoadBmp(const string& strFileName);

        // Load a tga file
        // 
        // recieves:
        //      strFileName - the name of the file to get
        //      bAlpha - is there going to be an alpha channel only used for 24 bit pictures
        void LoadTga(const string& strFileName);

        // Get the Image data
        UBYTE* GetImageData();

        // Return the bytes per pixel
        UBYTE GetBPP();

        // Return the Height of the image
        UINT GetHeight();

        // Return the Width of the image
        UINT GetWidth();

        void SetAlpha(UBYTE AlphaValue);
        void bAlphaChannel(bool bAlpha);

        void LoadRaw(const string &strName, int nSize);

private:
        UBYTE * m_ubImageData;  // The obj to hold the data.
        UINT    m_dwHeight;             // Height of graphic
        UINT    m_dwWidth;              // Width of graphic
        UBYTE   m_ubBpp;                // Bytes per pixel 4, 3, 2
        bool    m_bAlpha;               // Does the image include an alpha channel
        UBYTE   m_ubAlphaValue; 
};

#endif // !defined(AFX_GRAPHICS_H__97DD8875_1535_40B5_9AC5_6396C9F6266F__INCLUDED_)

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