static PyObject * pl_resize(PyObject *self, PyObject *args)
{
int width, height ;
PLDisplay pldis;
TRY (PyArg_ParseTuple(args, "ii:resize", &width, &height));
pldis.width=width;
pldis.height=height;
pl_cmd(PLESC_RESIZE, (void *) &(pldis));
pl_cmd(PLESC_EXPOSE, (void *) NULL);
Py_INCREF(Py_None);
return Py_None;
}
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();
}
static PyObject * pl_expose(PyObject *self, PyObject *args)
{
TRY (PyArg_ParseTuple(args, ":expose"));
pl_cmd(PLESC_EXPOSE, (void *) NULL);
Py_INCREF(Py_None);
return Py_None;
}
int main( int argc, const char *argv[] )
{
cairo_surface_t *cairoSurface;
cairo_t *cairoContext;
cairoSurface = cairo_ps_surface_create( "ext-cairo-test.ps", 720, 540 );
cairoContext = cairo_create( cairoSurface );
plparseopts( &argc, argv, PL_PARSE_FULL );
plsdev( "extcairo" );
plinit();
pl_cmd( PLESC_DEVINIT, cairoContext );
plenv( 0.0, 1.0, 0.0, 1.0, 1, 0 );
pllab( "x", "y", "title" );
plend();
cairo_destroy( cairoContext );
cairo_surface_destroy( cairoSurface );
exit( 0 );
}
value ml_set_plplot_cairo_context( value context )
{
CAMLparam1( context );
pl_cmd( PLESC_DEVINIT, cairo_t_val( context ) );
CAMLreturn( Val_unit );
}
