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src/bmp.cpp

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+////////////////////////////////////////////////////////////////////////////////
+//
+//	Module:		bmp.cpp
+//	Author:		Tom Hicks
+//	Creation:	09-01-2003
+//	LastEdit:	10-09-2003
+//	Editors:	Tom Hicks
+//
+//	Purpose:
+//		To implement a wrapper function that will load a 24bit windows bitmap
+//	file and return a pointer to a TextureImage object containing the image.
+//
+//	Summary of Methods:
+//	Global
+//		-LoadBMP
+//			Loads a 24 bit windows bitmap file specified by fn and returns a
+//				pointer to a TextureImage object containing the bitmap image.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include "../include/bmp.h"
+
+TextureImage* LoadBMP(const char* fn)
+{
+	//If anything is not perfect return NULL after cleaning up our mess
+
+	FILE* f=NULL;	//A pointer to our file structure
+
+	//If our filename is null
+	if(!fn)
+		return NULL;
+
+
+	//Try to open our file and if successfull...
+	f=fopen(fn, "r");
+	if(f)
+	{
+		//close the file 
+		fclose(f);
+
+		//Load our bitmap structure from the file.
+		AUX_RGBImageRec* bmp = auxDIBImageLoad(fn);
+
+		//If the load was successfull.
+		if(bmp)
+		{
+			//Allocate memory for a TextureImage Structure.
+			TextureImage* tex = new TextureImage;
+			
+			 //Convert the bitmap to a TextureImage.
+			tex->data = bmp->data;
+			tex->sizeX = bmp->sizeX;
+			tex->sizeY = bmp->sizeY;
+			tex->type = GL_RGB;
+			tex->bpp = 3;
+			
+			//Free the bitmap but not it's data and return our TextureImage.
+			free(bmp);
+			return tex;
+		}
+	}
+	return NULL;
+}