int GzPutDisplay(GzDisplay *display, int i, int j, GzIntensity r, GzIntensity g, GzIntensity b, GzIntensity a, GzDepth z)
{
/* write pixel values into the display */

    GzPixel currPixel = {r, g, b, a, z};
    //Bound checking
    if(i < 0 || i >= display->xres || j < 0 || j >= display->yres) return GZ_FAILURE; //Ignore anything outside of the resolution
    display->fbuf[j * display->xres + i] = currPixel;
    return GZ_SUCCESS;
}

int GzGetDisplay(GzDisplay *display, int i, int j, GzIntensity *r, GzIntensity *g, GzIntensity *b, GzIntensity *a, GzDepth *z)
{
    /* pass back pixel value in the display */
    /* check display class to see what vars are valid */

    //Bound checking
    if(i < 0 || i >= display->xres || j < 0 || j >= display->yres) return GZ_FAILURE;
    GzPixel currPixel = display->fbuf[j * display->xres + i];
    *r = currPixel.red;
    *g = currPixel.green;
    *b = currPixel.blue;
    *a = currPixel.alpha;
    *z = currPixel.z;

    return GZ_SUCCESS;
}