Search found 17 matches

by tplambeck
Mon Feb 26, 2024 4:30 pm
Forum: VintaSoft Imaging .NET SDK and Plug-ins Discussions
Topic: Applying Brightness Contrast Command to a Figure
Replies: 2
Views: 168

Re: Applying Brightness Contrast Command to a Figure

That was something I was planning to try if changing the unrendered figure was not feasible. I will implement that, thank you.
by tplambeck
Fri Feb 23, 2024 5:24 pm
Forum: VintaSoft Imaging .NET SDK and Plug-ins Discussions
Topic: Applying Brightness Contrast Command to a Figure
Replies: 2
Views: 168

Applying Brightness Contrast Command to a Figure

Is it possible to use the ChangeBrightnessContrastCommand to modify a figure before rendering the figure on a document? I am adding a PNG signature to a PDF delivery document captured on a mobile device. Sometimes the signatures are very faint and need to be darkened. Currently, I am adding them to ...
by tplambeck
Mon Aug 09, 2021 5:56 pm
Forum: VintaSoft PDF .NET Plug-in Discussions
Topic: JavaScript Warning on Fillable Form
Replies: 1
Views: 3632

JavaScript Warning on Fillable Form

I recently implemented logic to use interactive forms in one of my applications. It works great but on some forms I open I get a pop up message entitled JavaScript Warning and this message: "The PDF file requires a newer version of Adobe Reader. Press OK to download the latest version or see yo...
by tplambeck
Sat Mar 13, 2021 3:42 am
Forum: VintaSoft Imaging .NET SDK and Plug-ins Discussions
Topic: Replacing Background Color on PNG to Transparent
Replies: 2
Views: 3131

Re: Replacing Background Color on PNG to Transparent

I was able to resolve the issue by saving the image with the PngEncoder and reloading it. After that, I was able to make the background transparent.
by tplambeck
Fri Mar 12, 2021 9:46 pm
Forum: VintaSoft Imaging .NET SDK and Plug-ins Discussions
Topic: Replacing Background Color on PNG to Transparent
Replies: 2
Views: 3131

Replacing Background Color on PNG to Transparent

I am receiving PNG image files into my system and I need to change the background color to transparent. I run the ReplaceColorCommand but the background is unchanged. I checked the image with the HasCertainColorCommand and the image does not have the transparent color so I assume this is the issue? ...
by tplambeck
Thu Feb 11, 2021 9:07 pm
Forum: VintaSoft PDF .NET Plug-in Discussions
Topic: Cropping PDF Using Mouse
Replies: 1
Views: 1255

Cropping PDF Using Mouse

It's been a year since I've worked on this project. I need to crop PDF pages. I'm able to crop by defining a rectangle in the code. I cannot get the CropSelectionTool to work at all. I'm assuming that is the correct approach but can't get it to work using a menu item click. Any help appreciated! Tha...
by tplambeck
Thu Mar 05, 2020 5:12 pm
Forum: VintaSoft PDF .NET Plug-in Discussions
Topic: Rotating Page in PDF Document
Replies: 2
Views: 575

Re: Rotating Page in PDF Document

Great, thank you!
by tplambeck
Thu Mar 05, 2020 1:05 am
Forum: VintaSoft PDF .NET Plug-in Discussions
Topic: Rotating Page in PDF Document
Replies: 2
Views: 575

Rotating Page in PDF Document

Can you provide a quick example of how to rotate a page of a PDF in an image viewer? Not sure if I should be rotating the page in the PdfDocument or the image in the viewer or both and in which order.

Thanks
by tplambeck
Fri Feb 28, 2020 8:16 pm
Forum: VintaSoft PDF .NET Plug-in Discussions
Topic: Bad our unsupported image format??
Replies: 3
Views: 756

Re: Bad our unsupported image format??

I just emailed it to you thanks!
by tplambeck
Fri Feb 28, 2020 7:23 pm
Forum: VintaSoft PDF .NET Plug-in Discussions
Topic: Bad our unsupported image format??
Replies: 3
Views: 756

Bad our unsupported image format??

I'm getting a strange error when trying to view a PDF file. The file is coming from a memory stream out of a database. The PDF in the image viewer says: Bad or unsupported image format: PNG predictor 255 is not supported now. Any ideas on what the issue might be? I'm able to open other PDFs from the...