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/* Python.h should always be first */
#include <Python.h>
#include <cairo/cairo.h>
#include <string.h>
#include "grdel.h"
#include "cferbind.h"
#include "cairoCFerBind.h"
#include "FerMem.h"
/*
* Deletes (frees) any allocated resources associated with this
* "Window" (bindings instance), and then deletes (frees) the
* bindings instance. After calling this function, this bindings
* instance should no longer be used.
*
* Returns one if successful. If an error occurs, grdelerrmsg
* is assigned an appropriate error message and zero is returned.
*/
grdelBool cairoCFerBind_deleteWindow(CFerBind *self)
{
CairoCFerBindData *instdata;
CCFBPicture *delpic;
/* Sanity check */
if ( (self->enginename != CairoCFerBindName) &&
(self->enginename != PyQtCairoCFerBindName) ) {
strcpy(grdelerrmsg, "cairoCFerBind_deleteWindow: unexpected error, "
"self is not a valid CFerBind struct");
return 0;
}
instdata = (CairoCFerBindData *) self->instancedata;
/* Delete any existing context and surface */
if ( instdata->context != NULL ) {
/*
* Explicitly call cairo_show_page before destroying the context.
* Cairo 1.2 (but not 1.4 or later) requires this call.
*/
cairo_show_page(instdata->context);
cairo_destroy(instdata->context);
instdata->context = NULL;
}
if ( instdata->surface != NULL ) {
/* Explicitly finish the surface just to be safe */
cairo_surface_finish(instdata->surface);
cairo_surface_destroy(instdata->surface);
instdata->surface = NULL;
}
/* Delete any stored pictures */
while ( instdata->firstpic != NULL ) {
delpic = instdata->firstpic;
instdata->firstpic = delpic->next;
cairo_surface_finish(delpic->surface);
cairo_surface_destroy(delpic->surface);
FerMem_Free(delpic, __FILE__, __LINE__);
}
instdata->lastpic = NULL;
FerMem_Free(self->instancedata, __FILE__, __LINE__);
self->instancedata = NULL;
FerMem_Free(self, __FILE__, __LINE__);
return 1;
}
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