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Rank: Newbie
Groups: Member
Joined: 6/17/2011
Posts: 3
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Hello,
Is there an option in the PDFDocument class where we can specify how the PDF is save?
In Adobe Illustrator, there are available options to save the PDF like "High Quality Print", "Press Quality", etc and we needed the PDF to be save using that option (or at least have the settings be "Press Quality"
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,194
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Hi,
No. That's not how it works. PDF can contain text, raster image or vector image data (vector "images" are not really images, see my previous reply for more details). Text and vector image data are already vector data so there is no qualify concern about it.
The quality of raster image depends on your image. We take whatever resolution you give to us and save it in the PDF file. So there is no such thing as a “quality level” on our end. The quality level is determined by the quality of the image you gave to us.
Adobe Illustrator is an end to end solution so it can have a “quality level” option, for example, to determine the resolution when it generates intermediate raster image files. That does not apply to us because we don’t generate any images. You give us image and we put it into the PDF for you.
Hope this helps. Please feel free to let us know if you have any more questions.
Thanks!
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Rank: Newbie
Groups: Member
Joined: 6/17/2011
Posts: 3
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Thank you for your immediate response to my inquiry
I have some more questions, you said that you take whatever image we give and you put it in PDF.
Using the ACMImage, I embedded a "Grayscale" image into the PDF, however, when we were trying to open the PDF file in Adobe Illustrator or photoshop, the image embedded was converted(?) to "RGB".
Our vendor requires that the embedded image be "grayscale", any idea why it became RGB? Is there a class or method that I can use to convert it back to grayscale?
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Rank: Administration
Groups: Administration
Joined: 5/27/2007
Posts: 24,194
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Hi,
I believe our library does automatically convert grayscale image to RGB image (I am not sure why yet, I can look into further). When I said "take whatever your image is", I was referring to the image quality (resolution). Internally we do perform some conversions for various reasons. For example, we may convert 555RGB to 888RGB.
We have to change our code in order to make sure the file is saved as grayscale in PDF, we will look into that and see whether it is possible for us to do so and reply again as soon as any update information is available.
Thanks!
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