problem generating PDF using quartz

[Victor Bovio]

Hi,

I'm trying to save a test PDF from scratch using the following code:

        NSString *path = @"~/Desktop/test.pdf";
        NSString *fullPath = [path stringByExpandingTildeInPath];

        CFStringRef str =  
CFStringCreateWithCString(kCFAllocatorDefault, [fullPath cString],  
kCFStringEncodingMacRoman);
        CFURLRef url = CFURLCreateWithString(kCFAllocatorDefault,  
str, NULL);

        CGDataConsumerRef consumer = CGDataConsumerCreateWithURL(url);
        CGRect mediaBox = CGRectMake(0, 0, 100, 100);

        CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
        float rgba[] = { 1.0, 0.5, 0.0, 1.0 };
        CGColorRef color = CGColorCreate(colorSpace, rgba);

        // CGContextRef pdfContext = CGPDFContextCreateWithURL(url,  
&mediaBox, NULL);
        CGContextRef pdfContext = CGPDFContextCreate(consumer,  
&mediaBox, NULL);

        CGContextBeginPage(pdfContext, &mediaBox);
        CGContextSaveGState(pdfContext);
        CGContextClipToRect(pdfContext, mediaBox);
        CGContextSetFillColorWithColor(pdfContext, color);
        CGContextFillRect(pdfContext, mediaBox);
        CGContextRestoreGState(pdfContext);
        CGContextEndPage(pdfContext);

        CGContextRelease(pdfContext);

        CGDataConsumerRelease(consumer);
        CGColorRelease(color);
        CGColorSpaceRelease(colorSpace);


but I get this error when trying it:

"<Error>: CGDataConsumer(url_close): write failed: -15."


any ideas ???

Thanks.


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