bmp2c.c

画图软件

/*
    BMP2C Version 1.0
    2001 08 24 (Happy Birthday, Alexander! ^-^)
    --------
    Isaac Rounds
    [e-mail]
    www.gbadev.org/cabbage

	Edited by Sean Tasker
	[e-mail]
	www.ice-d.com
    --------
    Usage: bmp2c input.bmp output.c
    Note that the output file will be overwritten
        by default. I will probably hack up something
        to fix that in the next release (assuming
        that there will be =D)
    --------
    Greets bounce out to Jeremy Penner and SimonB!
*/

#include <stdio.h>

int main(int argv, char *argc[])
{
    FILE *fin;
    FILE *fout;
    unsigned int i,j,width,height;
	unsigned char dataV;

    if(argv<3) {
        printf("Usage: %s input.bmp output.c\n",argc[0]);
        return;
    }
    if((fin=fopen(argc[1],"r"))==NULL) {
        printf("Error loading input file.\n");
        return;
    }
    fseek(fin,0x1c,SEEK_SET);
    if(fgetc(fin)!=8) {
        printf("Bitmap must have 256 colours.\n");
        fclose(fin);
        return;
    }
    if((fout=fopen(argc[2],"w"))==NULL) {
        printf("Output file not found. Creating it now...");
        fclose(fin);
        return;
    }
    fprintf(fout,"/*\n    BMP2C Version 1.0a\n    2001 08 24 (Happy Birthday, Alexander! ^-^)\n    --------\n    Isaac Rounds\n    [e-mail]\n    www.gbadev.org/cabbage\n\n    Edited by Sean Tasker\n    [e-mail]\n    www.ice-d.com\n    --------\n    Usage: bmp2c input.bmp output.c\n    Note that the output file will be overwritten\n        by default. I will probably hack up something\n        to fix that in the next release (assuming\n        that there will be =D)\n    --------\n    Greets bounce out to Jeremy Penner and SimonB!\n*/\n\n");
    fprintf(fout,"unsigned short %s[] = {\n",strtok(argc[2],"."));
    fseek(fin,0x12,SEEK_SET);
    fread(&width,4,1,fin);
    fseek(fin,0x16,SEEK_SET);
    fread(&height,4,1,fin);
    fseek(fin,0x436,SEEK_SET);
    for(j=0; j<height; j++) {
        fprintf(fout,"   ");
        for(i=0; i<width; i++)
		{
			//The problem ocoured here. The next line was changed to the following three.
			//There were errors in the output file. After a certain number of entries the
			//output was at a max value. For example 0xFFFFFFF.
			//fprintf(fout,"%#.2x, ",fgetc(fin));
		    fread(&dataV,2,1,fin);
		    fseek(fin,0x436+i+(j*width),SEEK_SET);
			fprintf(fout,"%#.2x, ",dataV);
			//it seems as though fgetc has a problem accessing data after a certain position.
		}
        fprintf(fout,"\n");
    }
    fprintf(fout,"};");

    fclose(fin);
    fclose(fout);
    return 0;
}

/* EOF */