text-watermark | watermark library based on ImageMagick for Node.js | Computer Vision library
kandi X-RAY | text-watermark Summary
kandi X-RAY | text-watermark Summary
A watermark library based on ImageMagick for Node.js that can be used to put text watermarks on images.
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QUESTION
I am working on a React website where I want to add watermark on an image when user reads that image from Firebase storage. So is there any way to add watermark while reading the image from the storage ?
I've already gone through How to add an image or text (Watermark) on a video/image - Flutter/Dart but it's related to Flutter/Dart, but I want the answer for REACT.
Kindly guide me through this.
Thanks
...ANSWER
Answered 2020-Jun-16 at 13:45If you want to add a watermark to images in to Firebase Storage, I'd typically do that using a Cloud Function that triggers when the image is uploaded. You can base it on the example image converter here: https://github.com/firebase/functions-samples/tree/master/convert-images
The sample uses Image Magick to perform the conversion, so you can also use Image Magick to add a watermark to the image.
QUESTION
I am doing an image watermarking application using C# Windows Form in Visual Studio 2017. Most of my codes are referenced from https://www.c-sharpcorner.com/article/build-a-simple-watermarking-utility-in-C-Sharp/, which helped me a lot. However I find the codes provided for watermark position is too limited hence I added a new set of codes to enable more position choices for the watermark. (Top Left, Top Right, Bottom Left, Bottom Right etc)
However, there's some issues with the codes I use for my 'top' watermark position. According to this link (Watermarking image position[asp.net]) and this link (https://www.codeproject.com/Articles/31538/%2FArticles%2F31538%2FWatermarker-Embedding-image-and-text-watermarks) I found that the code for 'Top Left' position is a single integer value for both X and Y values.
The issue is that my watermark position is not really at the 'top' of the image (even though I used the codes from the above links I've found). Also, I realized that the bigger the text size of the watermark text I set, the lower the position of the watermark would be. How can I resolve this issue? I would not want the user to select an option for 'Top Left' and sees the resulting watermark position that is nearly at the center of the image because the text size is large.
The code I'm using for 'Top Left':
...ANSWER
Answered 2019-Jan-25 at 10:19I played around with numbers and managed to put my watermark position at the 'Top Left' with the following codes:
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