Exemplo n.º 1
0
void setup_plot_drawable( App *a )
{
    struct
    {
        Display  *display;
        Drawable drawable;
    }     xinfo;

    PLFLT x[3] = { 1, 3, 4 };
    PLFLT y[3] = { 3, 2, 5 };

    plsdev( "xcairo" );
    plsetopt( "drvopt", "external_drawable" );
    plinit();

  #if TO_PIXMAP == 1
    // Here we set up to draw to a pixmap
    xinfo.display  = GDK_PIXMAP_XDISPLAY( a->plotwindow_pixmap );
    xinfo.drawable = GDK_PIXMAP_XID( a->plotwindow_pixmap );
  #else
    // Alternatively, we can do direct to a visible X Window
    xinfo.display  = GDK_WINDOW_XDISPLAY( a->plotwindow->window );
    xinfo.drawable = GDK_WINDOW_XID( a->plotwindow->window );
  #endif

    pl_cmd( PLESC_DEVINIT, &xinfo );
    plenv( 0, 5, 0, 5, 0, 0 );

    plline( 3, x, y );
    plend();
}
Exemplo n.º 2
0
static void plplot_set_window_size( plot_driver_type * driver , int width , int height) {
  char * geometry = util_alloc_sprintf("%dx%d", width, height);
  plsetopt("geometry", geometry);
  free( geometry );

  {
    plplot_state_type * state = driver->state;
    plsstrm( state->stream );  
    //{
    //  printf("---------- Calling plinit()\n");
    //  errno = 0;
    //  pllib_init();
    //  printf("%s: after plinit(): errno:%d  / strerror:%s\n",__func__ , errno , strerror( errno ));
    //}
    plinit();


    pladv(0);  /* And what does this do ... */
    plvsta();
  }
}
Exemplo n.º 3
0
int
main(int argc, char *argv[])
{
    int i, digmax;
    int xleng0 = 400, yleng0 = 300, xoff0 = 200, yoff0 = 200;
    int xleng1 = 400, yleng1 = 300, xoff1 = 500, yoff1 = 500;

/* Select either TK or DP driver and use a small window */
/* Using DP results in a crash at the end due to some odd cleanup problems */
/* The geometry strings MUST be in writable memory */

    char geometry_master[] = "500x410+100+200";
    char geometry_slave[]  = "500x410+650+200";

    char driver[80];

/* plplot initialization */
/* Parse and process command line arguments */

    (void) plparseopts(&argc, argv, PL_PARSE_FULL);

    plgdev(driver);

    printf("Demo of multiple output streams via the %s driver.\n", driver);
    printf("Running with the second stream as slave to the first.\n");
    printf("\n");

/* Set up first stream */

    plsetopt("geometry", geometry_master);

    plsdev(driver);
    plssub(2, 2);
    plinit();

/* Start next stream */

    plsstrm(1);

/* Turn off pause to make this a slave (must follow master) */

    plsetopt("geometry", geometry_slave);
    plspause(0);
    plsdev(driver);
    plinit();

/* Set up the data & plot */
/* Original case */

    plsstrm(0);

    xscale = 6.;
    yscale = 1.;
    xoff = 0.;
    yoff = 0.;
    plot1();

/* Set up the data & plot */

    xscale = 1.;
    yscale = 1.e+6;
    plot1();

/* Set up the data & plot */

    xscale = 1.;
    yscale = 1.e-6;
    digmax = 2;
    plsyax(digmax, 0);
    plot1();

/* Set up the data & plot */

    xscale = 1.;
    yscale = 0.0014;
    yoff = 0.0185;
    digmax = 5;
    plsyax(digmax, 0);
    plot1();

/* To slave */
/* The pleop() ensures the eop indicator gets lit. */

    plsstrm(1);
    plot4();
    pleop();

/* Back to master */

    plsstrm(0);
    plot2();
    plot3();

/* To slave */

    plsstrm(1);
    plot5();
    pleop();

/* Back to master to wait for user to advance */

    plsstrm(0);
    pleop();

/* Call plend to finish off. */

    plend();
    exit(0);
}