static PyObject*

FigureCanvas_write_bitmap(FigureCanvas* self, PyObject* args)

{

View* view = self->view;

int n;

const unichar* characters;

NSSize size;

double width, height, dpi;

if(!view)

{

PyErr_SetString(PyExc_RuntimeError, "NSView* is NULL");

return NULL;

}

/* NSSize contains CGFloat; cannot use size directly */

if(!PyArg_ParseTuple(args, "u#ddd",

&characters, &n, &width, &height, &dpi)) return NULL;

size.width = width;

size.height = height;

/* This function may be called from inside the event loop, when an

NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];

NSRect rect = [view bounds];

NSString* filename = [NSString stringWithCharacters: characters

length: (unsigned)n];

NSString* extension = [filename pathExtension];

/* Calling dataWithPDFInsideRect on the view causes its update status

const BOOL invalid = [view needsDisplay];

NSData* data = [view dataWithPDFInsideRect: rect];

if (invalid) [view setNeedsDisplay: YES];

NSImage* image = [[NSImage alloc] initWithData: data];

NSImage *resizedImage = [[NSImage alloc] initWithSize:size];

[resizedImage lockFocus];

[image drawInRect:NSMakeRect(0, 0, width, height) fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1.0];

[resizedImage unlockFocus];

data = [resizedImage TIFFRepresentation];

[image release];

[resizedImage release];

NSBitmapImageRep* rep = [NSBitmapImageRep imageRepWithData:data];

NSSize pxlSize = NSMakeSize([rep pixelsWide], [rep pixelsHigh]);

NSSize newSize = NSMakeSize(72.0 * pxlSize.width / dpi, 72.0 * pxlSize.height / dpi);

[rep setSize:newSize];

NSBitmapImageFileType filetype;

if ([extension isEqualToString: @"bmp"])

filetype = NSBMPFileType;

else if ([extension isEqualToString: @"gif"])

filetype = NSGIFFileType;

else if ([extension isEqualToString: @"jpg"] ||

[extension isEqualToString: @"jpeg"])

filetype = NSJPEGFileType;

else if ([extension isEqualToString: @"png"])

filetype = NSPNGFileType;

else if ([extension isEqualToString: @"tiff"] ||

[extension isEqualToString: @"tif"])

filetype = NSTIFFFileType;

else

{ PyErr_SetString(PyExc_ValueError, "Unknown file type");

return NULL;

}

data = [rep representationUsingType:filetype properties:[NSDictionary dictionary]];

[data writeToFile: filename atomically: YES];

[pool release];

Py_INCREF(Py_None);

return Py_None;

}

{"write_bitmap",

(PyCFunction)FigureCanvas_write_bitmap,

METH_VARARGS,

"Saves the figure to the specified file as a bitmap\n"

"(bmp, gif, jpeg, or png).\n"

},