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/* Python.h should always be first */
#include <Python.h>
#include <string.h>
#include "grdel.h"
#include "cferbind.h"
#include "cairoCFerBind.h"
#include "pyqtcairoCFerBind.h"
/*
* Assigns the default name and format for saving the image
* from the PipedImagerPQ window.
*
* Arguments:
* imagename - name for the image file (can be NULL)
* imgnamelen - actual length of imagename (zero if NULL)
* formatname - name of the image format (case insensitive);
* (can be NULL)
* fmtnamelen - actual length of formatname (zero if NULL)
*
* If formatname is "" or NULL, the filename extension of
* imagename, if it exists and is recognized, will determine
* the format. Only raster formats are supported.
*
* The saveWindow function is used to save the (possibly
* scaled) image from PipedImagerPQ. Thus, imagename
* and formatname are only defaults that may not be used.
*
* Returns one if successful. If an error occurs, grdelerrmsg
* is assigned an appropriate error message and zero is returned.
*/
grdelBool pyqtcairoCFerBind_setImageName(CFerBind *self, const char imagename[],
int imgnamelen, const char formatname[], int fmtnamelen)
{
CairoCFerBindData *instdata;
grdelBool success;
/* Sanity checks */
if ( self->enginename != PyQtCairoCFerBindName ) {
strcpy(grdelerrmsg, "pyqtcairoCFerBind_setImageName: unexpected error, "
"self is not a valid CFerBind struct");
return 0;
}
instdata = (CairoCFerBindData *) self->instancedata;
/* Send the information to the image display engine */
success = grdelWindowSetImageName(instdata->viewer, imagename,
imgnamelen, formatname, fmtnamelen);
if ( ! success ) {
/* grdelerrmsg already assigned */
return 0;
}
/*
* A cairo_image_surface (CCFBIF_PNG) is always created and
* the image data is sent to PipedImagerPQ for display
* and saving to file. Thus the information does not need
* to be recorded in the cairoCFerBindData structure.
*
* Since an image surface is always used, this call by itself
* does not trigger the need for a new surface or context if
* they exist. If they do not exist, defer creating a new
* surface and context until a drawing request is made.
* Ferret may change size and other details before actually
* starting to draw.
*/
return 1;
}
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