Am 13.09.2016 um 19:10 schrieb Jorge Reyes:
Thank you for your answer, Herr Hausherr.
I was asking because there is a BoundingBox class and the
documentation states: "T*his is an implementation of a bounding box.
This was originally written for the AMF parser.*" Additionally, the
PDPage class has a getBBox() method, so I was curious to the
differences between MediaBox, BoundingBox, CropBox and BleedBox. Is
this something I can find in the PDF specification document?
Yes, just google for PDF 32000 specification. But like I said, the page
BBox does not really exist, the method returns the cropBox. I suspect
this was done because the base class required it.
You will usually only need MediaBox and CropBox in your work.
Tilman
Thanks again for your help.
Jorge
On 9/13/2016 9:56 AM, Tilman Hausherr wrote:
Am 13.09.2016 um 18:50 schrieb Jorge Reyes:
Hello:
First time user here. What is the difference between MediaBox and
BoundingBox? And when should I use either?
I hadn't heard of the page BBox. This returns the cropBox.
MediaBox:
A rectangle expressed in default user space units, that shall define
the boundaries of the physical medium on which the page shall be
displayed or printed
CropBox:
A rectangle, expressed in default user space units, that shall define
the visible region of default user space. When the page is displayed
or printed, its contents shall be clipped (cropped) to this rectangle
and then shall be imposed on the output medium in some
implementation-defined manner. Default value: the value of MediaBox.
I can't tell what you should use. What do you want to do? For create
a PDF, just set the mediabox to the A4 and don't bother about the rest.
Tilman
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