EasyBMP_BMP.h

/*************************************************
*                                                *
*  EasyBMP Cross-Platform Windows Bitmap Library *
*                                                *
*  Author: Paul Macklin                          *
*   email: macklin01@users.sourceforge.net       *
* support: http://easybmp.sourceforge.net        *
*                                                *
*          file: EasyBMP_VariousBMPutilities.h   *
*    date added: 05-02-2005                      *
* date modified: 12-01-2006                      *
*       version: 1.06                            *
*                                                *
*   License: BSD (revised/modified)              *
* Copyright: 2005-6 by the EasyBMP Project       *
*                                                *
* description: Defines BMP class                 *
*                                                *
*************************************************/

#ifndef _EasyBMP_BMP_h_
#define _EasyBMP_BMP_h_

bool SafeFread(char* buffer, int size, int number, FILE* fp);
bool EasyBMPcheckDataSize(void);

class BMP
{
private:

	int BitDepth;
	int Width;
	int Height;
	RGBApixel** Pixels;
	RGBApixel* Colors;
	int XPelsPerMeter;
	int YPelsPerMeter;

	ebmpBYTE* MetaData1;
	int SizeOfMetaData1;
	ebmpBYTE* MetaData2;
	int SizeOfMetaData2;

	bool Read32bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Read24bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Read8bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Read4bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Read1bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);

	bool Write32bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Write24bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Write8bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Write4bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);
	bool Write1bitRow(ebmpBYTE* Buffer, int BufferSize, int Row);

	ebmpBYTE FindClosestColor(RGBApixel& input);

public:

	int TellBitDepth(void);
	int TellWidth(void);
	int TellHeight(void);
	int TellNumberOfColors(void);
	void SetDPI(int HorizontalDPI, int VerticalDPI);
	int TellVerticalDPI(void);
	int TellHorizontalDPI(void);

	BMP();
	BMP(BMP& Input);
	~BMP();
	RGBApixel* operator()(int i, int j);

	RGBApixel GetPixel(int i, int j) const;
	bool SetPixel(int i, int j, RGBApixel NewPixel);

	bool CreateStandardColorTable(void);

	bool SetSize(int NewWidth, int NewHeight);
	bool SetBitDepth(int NewDepth);
	bool WriteToFile(const char* FileName);
	bool ReadFromFile(const char* FileName);

	RGBApixel GetColor(int ColorNumber);
	bool SetColor(int ColorNumber, RGBApixel NewColor);
};

#endif