I've pasted a screenshot of an engineering drawing. Dimensions are the
numbers that define distances between two points. I want to be able to
programmatically zoom up on the 12.000 dimension, for example, highlight
it in some way (Put a transparent yellow over it, or change the color of
it), then an image file of the zoomed up view.
**
On 3/19/2019 1:33 AM, Tilman Hausherr wrote:
Am 18.03.2019 um 22:40 schrieb Greg Hanowski:
We get pdf engineering drawings from suppliers. We need to
programmatically zoom up on a specified dimension, highlight it, and
create an image file of the zoomed up view. How to specify the
dimension is unknown. Some dimensions might have the same text so
not sure how to differentiate. Suggestions welcome. Can pdfbox do
this?
With "dimension" do you mean a rectangle coordinate or this viewport
thing? (An exotic feature of PDF)
"Zoom up" - do you want to make it bigger? Or do you just mean to cut
it out?
Highlight = ? Put a yellow over it?
It is possible to crop on a specific area by modifying the cropbox of
a page, then only the cropped area will be seen. It's also possible to
highlight by filling a rectangle and blending this on top.
Tilman
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