#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <Fl/fl_file_chooser.H>
#include <Fl/fl_message.H>
#include "TargaWindow.h"


int main(int argc, char** argv) {

		// The name of the TGA file to load
		char* filename = 0;
		// The name of the TGA file we're going to write
		char* ofilename = 0;

		// If there is just one argument, then that argument should
		// be the TGA file to load
		if (argc == 2) {
			filename = argv[1];
		} else if (argc == 3) {
			filename = argv[1];
			ofilename = argv[2];
		} else if ( argc == 1 ) {
			// Using a file chooser, allow the user to select a targa
			// file to manipulate.
			filename = fl_file_chooser("Pick a targa file","{*.tga}","");
		}				

		// If filename exists, not NULL, then the user chose a 
		// targa file to manipulate
		if (filename) {
			// Create a TargaWindow of size 300 x 300
			TargaWindow a(300,300);
	
			// Set the image of the TargaWindow to be the image file
			// chosen by the user.
			a.setImage(filename);
			// Display the window
			a.show();
			// Run FLTK
			Fl::run();
			// When the user exits FLTK ( closes the window )
			// Allow the user save the file into a targa file
			// of their choice.


			// If the filename is NULL, ask the user to input a filename
			// for writing out the targa image.
			if (ofilename == NULL) {
				const char* outfname = fl_input("Output Filename?",ofilename);
				if (outfname)
					a.writeImage(outfname);
			} else {
				a.writeImage(ofilename);
			}
		}

		return 1;
}