newImageJPEG always nil

sparklellama
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IP: 192.168.0.71 11 years 7 months ago #6931 by sparklellama

newImageJPEG always nil was created by sparklellama

I cannot seem to add an image to my PDF content using the iOS version of the library. My code follows. I have tried to open the document using a cache (as other topics on this forum suggest). I am noir sure if I have done it right or not.

Any help appreciated! Rather urgent. Thanks.

Here is how I open the document (seems to work OK):

Code:

    m_doc = [[PDFDoc alloc] init];
	NSString* tp = NSTemporaryDirectory();
	//tp = [tp stringByAppendingPathComponent:@"cache"];
        err = [m_doc open:path :pwd];
	[m_doc setCache:tp];

Here is how I am adding the image:

Code:

	UIImage* temp = [UIImage imageNamed:@"Signature"];
	NSString* path = NSTemporaryDirectory();
	path = [path stringByAppendingPathComponent:@"Signature.jpg"];
	[UIImageJPEGRepresentation(temp, 0) writeToFile:path atomically:YES];
	PDFDocImage* i = [m_doc newImageJPEG:path];    // always returns nil

radaee
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IP: 192.168.0.71 11 years 7 months ago #6932 by radaee

Replied by radaee on topic newImageJPEG always nil

this method need 2 condition:
1. a premium license is needed.
2. [PDFDoc setCache] invoked.

sparklellama
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IP: 192.168.0.71 11 years 7 months ago #6933 by sparklellama

Replied by sparklellama on topic newImageJPEG always nil

Thanks for the quick reply. I am using the demo license at the moment using "ActivatePremium" (I see the "RadaeePDF" watermark - until we organise payment shortly). This would work, right? Also, as you can see in the code above, I am using the setCache invocation.

radaee
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IP: 192.168.0.71 11 years 7 months ago - 11 years 7 months ago #6937 by radaee

Replied by radaee on topic newImageJPEG always nil

setCache calls like this code:

Code:

m_doc = [[PDFDoc alloc] init];
NSString* tp = NSTemporaryDirectory();
tp = [tp stringByAppendingString:@"/cache.dat"];
err = [m_doc open:path :pwd];
[m_doc setCache:tp];

Last edit: 11 years 7 months ago by .

sparklellama
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IP: 192.168.0.71 11 years 7 months ago #6940 by sparklellama

Replied by sparklellama on topic newImageJPEG always nil

Thanks for your help so far. I am very sorry but the suggested code does not appear to work. I now have the following:

Code:

        m_doc = [[PDFDoc alloc] init];
	NSString* tp = NSTemporaryDirectory();
	tp = [tp stringByAppendingPathComponent:@"/cache.dat"];
        err = [m_doc open:path :pwd];
	[m_doc setCache:tp];

I have also tried (no leading slash):

Code:

        m_doc = [[PDFDoc alloc] init];
	NSString* tp = NSTemporaryDirectory();
	tp = [tp stringByAppendingPathComponent:@"cache.dat"];
        err = [m_doc open:path :pwd];
	[m_doc setCache:tp];

But it does not appear to have made any difference. Thanks you very much if you can think of anything else that may be the problem.

radaee
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IP: 192.168.0.71 11 years 7 months ago #6943 by radaee

Replied by radaee on topic newImageJPEG always nil

other problems maybe:
1. [Document canSave] return false, mostly because of write access right for PDF file.
2. jpeg file not compitable or damaged, currently support RGB/Gray/CMYK colorspace.

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