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Editor/Util/ImageUtil.h

@@ -0,0 +1,72 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2001.
+// -------------------------------------------------------------------------
+//  File name:   ImageUtil.h
+//  Version:     v1.00
+//  Created:     30/1/2002 by Timur.
+//  Compilers:   Visual C++ 6.0
+//  Description: Image utilities.
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __ImageUtil_h__
+#define __ImageUtil_h__
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+/*!
+ *	Utility Class to manipulate images.
+ */
+class CImageUtil
+{
+public:
+	//////////////////////////////////////////////////////////////////////////
+	// Image loading.
+	//////////////////////////////////////////////////////////////////////////
+	//! Load image, detect image type by file extension.
+	static bool LoadImage( const CString &fileName, CImage &image );
+	//! Save image, detect image type by file extension.
+	static bool SaveImage( const CString &fileName, CImage &image );
+
+	// General image fucntions
+	static bool LoadJPEG( const CString &strFileName,CImage &image );
+	static bool SaveJPEG( const CString &strFileName,CImage &image );
+
+	static bool SaveBitmap( const CString &szFileName, CImage &image,bool inverseY=true );
+	static bool SaveBitmap(LPCSTR szFileName, DWORD dwWidth, DWORD dwHeight, DWORD dwBPP, HDC hdc);
+	static bool LoadBmp( const CString &file,CImage &image );
+	
+	//! Save image in PGM format.
+	static bool SavePGM( const CString &fileName, uint dwWidth, uint dwHeight, uint *pData);
+	//! Load image in PGM format.
+	static bool LoadPGM( const CString &fileName, uint *pWidthOut, uint *pHeightOut, uint **pImageDataOut);
+
+	//////////////////////////////////////////////////////////////////////////
+	// Image scaling.
+	//////////////////////////////////////////////////////////////////////////
+	//! Scale source image to fit size of target image.
+	static void ScaleToFit( const CByteImage &srcImage,CByteImage &trgImage );
+	//! Scale source image to fit size of target image.
+	static void ScaleToFit( const CImage &srcImage,CImage &trgImage );
+
+	//! Smooth image.
+	static void SmoothImage( CByteImage &image,int numSteps );
+
+	//////////////////////////////////////////////////////////////////////////
+	// filtered lookup 
+	//////////////////////////////////////////////////////////////////////////
+
+	//! behaviour outside of the texture is not defined
+	//! \param iniX in fix point 24.8
+	//! \param iniY in fix point 24.8
+	//! \return 0..255
+	static unsigned char GetBilinearFilteredAt( const int iniX256, const int iniY256, const CByteImage &image );
+};
+
+#endif // __ImageUtil_h__