URL:
<http://savannah.gnu.org/bugs/?21681>
Summary: NSImage drawInRect:fromRect:operation:fraction does
not understand NSZeroRect fromRect (does not show up)
Project: GNUstep
Submitted by: wojno
Submitted on: Friday 11/30/2007 at 05:05
Category: Gui/AppKit
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
When calling this function:
[NSImage drawInRect:fromRect:operation:fraction]
Apple's documentation says that passing in a zero fromRect will use the
image's current size and position (no clipping of the image). Using NSZeroRect
(which is 0,0,0,0), causes the image to be drawn with 0 width and height (so
you see nothing).
http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/Classes/NSImage_Class/index.html#//apple_ref/doc/uid/TP40004051
Suggested fix: at the beginning of drawInRect, if the width and height, and
origin is all zero, set the size of the fromRect to the image's size. That
will produce correct behavior.
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