bitmap.h

小型的3D游戏引擎

#ifndef _GCBITMAP_H_
#define _GCBITMAP_H_

#include "loader.h"

/* NOTE: The screenBpp does nothing in this loader, */
/* it's just the for compability with CTarga		*/

class GcBitmap : public GcLoader
{
public:
	// Constructor/Destructor
	GcBitmap();
	~GcBitmap();

	// Load bitmap from file
	bool Load(char *fileName);

	// Write bitmap to file
	bool Write(char *fileName, uint width, uint height, uint screenBpp = 0);

	// Take a screenshot
	/* WARNING! DO NOT USE THIS IF THE BITMAP ARE TO BE USED FURTHER ON */
	void Screenshot(char *fileName, uint winWidth, uint winHeight, uint screenBpp = 0);

	// Draw the bitmap
	void Draw(uint xPos, uint yPos);

	// Height/Width/Size
	uint Height() { return bitmapInfoHeader.biHeight; }
	uint Width()  { return bitmapInfoHeader.biWidth; }
	byte Bpp()	  { return (byte)bitmapInfoHeader.biBitCount; }		
	uint Size()	  { return bitmapInfoHeader.biSizeImage; }

	// Image
	byte *Image() { return bitmapImage; }
	byte Image(int index) { return bitmapImage[index]; }

	// Destroy
	void Destroy();

private:
	BITMAPFILEHEADER	bitmapFileHeader;	// Bitmap file header
	BITMAPINFOHEADER	bitmapInfoHeader;	// Bitmpa info header
	byte				*bitmapImage;		// The image
	int					colorMode;			// 1 == 8 bit, 2 == 16, 3 == RGB 4 == RGBA
	byte				tempRGB;			// Swap variable
};

#endif