URL:
<http://savannah.gnu.org/bugs/?34470>
Summary: -[NSBitmapImageRep initWithFocusedViewRect:] broken
Project: GNUstep
Submitted by: julian_
Submitted on: Mo 03 Okt 2011 23:51:30 GMT
Category: Gui/AppKit
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
the following method to obtain the "raw" bytes of a NSImage does work on Cocoa
but not on GNUstep (inline posting may eat two obvious asterisks) - the
resulting data buffer is all zero:
NSImage *theImg = [[NSImage alloc] initWithContentsOfURL:_url];
[theImg lockFocus];
NSBitmapImageRep *bitmap = [[NSBitmapImageRep alloc]
initWithFocusedViewRect:NSMakeRect(0.0, 0.0, [theImg size].width, [theImg
size].height)];
[theImg unlockFocus];
char *_data = (char *)calloc( [theImg size].width * 4 * [theImg size].height,
1);
memcpy(_data, [bitmap bitmapData], [theImg size].width * 4 * [theImg
size].height);
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?34470>
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