Georg Seifert wrote:
[NSView dataWithEPSInsideRect:] does not seem to help, unless I
build a dummy view, draw in it and then use this method.
I believe that's the general idea. An NSBezierPath instance by itself
doesn't really do anything unless/until you draw it into a suitable
graphics context. Read the Cocoa Drawing Guide; in particular, the
'Creating Graphics Contexts' chapter.
but this seems to be quite complicated.
I'm no graphics guru (so try not to laugh), but here's a simple example:
/////// CustomView.h ///////
#import <Cocoa/Cocoa.h>
@interface CustomView : NSView {
}
- (NSEPSImageRep *)epsImageRep;
@end
/////// CustomView.m ///////
#import "CustomView.h"
@implementation CustomView
- (void)drawRect:(NSRect)rect {
// do all your drawing here... e.g. to draw a black rectangle in
middle of view:
[[NSBezierPath bezierPathWithRect: NSMakeRect(10, 10, 20, 20)] fill];
}
- (NSEPSImageRep *)epsImageRep {
NSData* theData = [self dataWithEPSInsideRect: [self bounds]];
return [NSEPSImageRep imageRepWithData: theData];
}
@end
/////// main.m ///////
int main(int argc, char *argv[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
// create a custom view of the desired size
CustomView *view = [[CustomView alloc] initWithFrame: NSMakeRect(0,
0, 40, 40)];
// extract an EPS image rep from it
NSEPSImageRep *epsRep = [view epsImageRep];
// do some stuff with the EPS image rep here... e.g. to write to file:
[[epsRep EPSRepresentation] writeToFile: @"/Users/foobar/test.eps"
atomically: NO];
[view release];
[pool release];
return 0;
}
HTH
has
--
Control AppleScriptable applications from Python, Ruby and ObjC:
http://appscript.sourceforge.net
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