pdfdraw | PDF rendering library for Go | Document Editor library
kandi X-RAY | pdfdraw Summary
kandi X-RAY | pdfdraw Summary
PDF rendering library for Go (currently wrapping C-based PDF rendering libs)
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Top functions reviewed by kandi - BETA
- PopplerOpenDoc opens a poppler document .
- openQuartzDoc opens and returns a new quartz document
- OpenBackend opens a backend for the given backend .
- Open opens a document at the given path .
- Backends returns the names of all backends .
- Page returns the Page at the given index .
- RegisterBackend registers a backend backend .
- init initializes all backends
pdfdraw Key Features
pdfdraw Examples and Code Snippets
Community Discussions
Trending Discussions on pdfdraw
QUESTION
I have an ASP.Net Core 2 MVC webapp that needs to retrieve and serve a pdf that's stored on a different server on the same LAN. It knows the full pathname. This code works well while developing on local machine (I stripped down the code to the bare minimum to get to the point):
...ANSWER
Answered 2019-Feb-06 at 08:56Your Ubuntu server does not understand Windows share paths. Simply try to access the path you provided on your Ubuntu server and you'll see the issue.
You will have to mount the share on your server to be able to access it. You also will have to use a different path for your local development and your deployment.
On Ubuntu it may be something like /mnt/srv1/Drawings (provided you mounted the share in /mnt/srv1) while on windows your path stays the same.
QUESTION
I'm wondering why i'm getting a bitmap from a page that has a different size/dpi than the bitmap i used to create the page.
example: bmp
is a Bitmap
with a Width of 1275 and Height 1651 at a dpi of 150. I use this bitmap to create the page. When i use PDFDraw to retrieve the Bitmap at the end of my code, Bitmap
b
has a Width of 2657 and height of 3440 at 150 dpi. Why has this changed and how can i get my original bitmap back?
ANSWER
Answered 2018-Feb-02 at 17:36You can call Convert.ToPDF(pdfdoc, path_to_image)
and simply pass in the path to the image, and PDFNet will do all the calculations for you, plus auto rotation in the latest version.
In particular your page size calculation is off. It "should" be
var imgRect = new Rect(0, 0, bmp.Width / 150.0 * 72.0, bmp.Height / 150.0 * 72.0);
So you get a PDF page with the true physical dimension of the image.
QUESTION
While testing in the samples from PDFPrintTest, we noticed that Example 2 coupled with Event Handler's example 1 is not behaving properly.
Example 1 of PrintPage Event Handler:
...ANSWER
Answered 2017-Jun-13 at 22:54Thank you for pointing this out. Just as you are, I am unclear why bmp.Save
works fine, but Graphics.DrawImage(bmp,...
is only showing the background color. I suspect it has something to do with the other parameters passed into Graphics.DrawImage
Since the Bitmap object is correct, then this particular issue is really a .Net question and not a PDFNet question, which I am currently unable to answer.
The other part of the sample runs fine, the one using PDFDraw.DrawInRect
. Does this not work for you?
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