Utils/Tga2Gfx/Tga2Gfx.cpp

@@ -0,0 +1,137 @@
+/***************************/
+/*** TGA 2 Gfx Convertor ***/
+/***************************/
+
+//#include <windows.h>
+#include <stdlib.h>
+#include <stdarg.h>
+//#include <string.h>
+#include <stdio.h>
+//#include <time.h>
+//#include <math.h>
+#include <io.h>
+#include <fstream.h>
+#include <conio.h>
+
+
+
+//***************************************************************************
+struct	sTgaHdr
+{
+	char	id;			   // 0
+	char	colmaptype;	   // 1
+	char	imagetype;	   // 2
+	char	fei[2];		   // 3
+	char	cml[2];		   // 5
+	char	cmes;		   // 7
+	short	xorig;		   // 8
+	short	yorig;		   // 10
+	short	width;		   // 12
+	short	height;		   // 14
+	char	depth;		   // 15
+	char	imagedesc;	   // 16
+};
+
+
+//***************************************************************************
+sTgaHdr	*TGA;
+short	*Buffer;
+char	*InFile;
+char	*OutFile;
+
+//***************************************************************************
+void	Load()
+{
+FILE			*File;
+int				Size;
+
+		File=fopen(InFile,"rb");
+		fseek(File,0,SEEK_END);
+		Size=ftell(File);
+		fseek(File,0,SEEK_SET);
+
+		if( (TGA=(sTgaHdr*)malloc(Size))==NULL ) {printf("Out of memory.\n");exit(123);}
+   
+		fread(TGA, 1,Size,File);
+		fclose(File);
+
+		if( (Buffer=(short*)malloc(TGA->width*TGA->height*sizeof(short)))==NULL ) {printf("Out of memory.\n");exit(123);}
+}
+
+//***************************************************************************
+void	Process()
+{
+unsigned char	*InSrc=(unsigned char*)TGA+sizeof(sTgaHdr);
+short	*Dst=Buffer;
+/*
+		printf("width %i\n",TGA->width);
+		printf("height %i\n",TGA->height);
+		printf("depth %i\n",TGA->depth);
+		printf("imagedesc %i\n",TGA->imagedesc);
+*/
+		for (int Y=0; Y<TGA->height; Y++)
+		{
+			unsigned char	*Src=&InSrc[(TGA->height-Y)*(TGA->width*3)];	// Flip Image
+			for (int X=0; X<TGA->width; X++)
+			{
+				int		B=*Src++;
+				int		G=*Src++;
+				int		R=*Src++;
+
+				if (TGA->depth==24)
+				{
+					R>>=(8-5);
+					G>>=(8-5);
+					B>>=(8-5);
+				}
+				*Dst=0;
+				*Dst|=R<<0;
+				*Dst|=G<<5;
+				*Dst|=B<<10;
+				Dst++;
+			}
+		}
+}
+
+//***************************************************************************
+void	Write()
+{
+FILE			*File;
+
+		File=fopen(OutFile,"wb");
+
+		fwrite(Buffer,TGA->width*TGA->height*sizeof(short),1,File);  
+		fclose(File);
+
+		free(TGA);
+		free(Buffer);
+}
+
+//***************************************************************************
+//***************************************************************************
+//***************************************************************************
+
+void Usage(char *ErrStr)
+{
+	printf("\nTga2Gfx: by Dave\n");
+	printf("Usage: Tga2Gfx <file> [ <file>.. ] [ switches.. ]\n");
+	printf("Switches:\n");
+	printf("   -o:[FILE]       Set output File\n");
+	printf("\nERROR: %s\n",ErrStr);
+	exit(-1);
+}
+
+//***************************************************************************
+int		main(int argc, char *argv[])
+{
+		if (argc!=3) Usage("Incorrect Params");
+
+		InFile=argv[1];
+		OutFile=argv[2];
+
+
+		Load();
+		Process();
+		Write();
+		return(0);
+}