I am working with an HTML canvas blown up 32x its pixel width and height. When I draw lines on it, however, I notice that the edge pixels of lines are drawn semi-transparently (exactly half transparent). Is there a way to stop this?  In this picture,...
I'm trying to use blur.js to create a blur effect on my site so you can see the site background behind the content. However, it appears to be trying to access an image called "none."  Here is the output from the chrome javascript log:  $(...
I've been following the lessons about transparency and gradients on the Mozilla site: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Canvas_tutorial/Applying_styles_and_colors but I have not been able to figure this one out.  I know I ca...
I'm new to threejs and I'm trying to make a simple 3d model. Nevertheless, I've got some transparency / disparition issue since I've started to play with opacity.  the important part of my code, is here:      var cylJaun = new THREE.M...
In html5, when you draw to a canvas using putImageData(), if some of the pixels you are drawing are transparent (or semi-transparent), how do you keep old pixels in the canvas unaffected?  example:  var imgData = context.createImageData(30,30); for(v...
I've been setting up a small framework for rendering positionable and animated graphics onto a <canvas> element - primarily to help my understanding of it.  I downloaded a random sprite sheet off the internet for testing - it has a transpar...
Is there a way to read transparent pixels from a picture using javascript?   I think, that it could be something similar to what PNG fixes does for IE (reading transparent pixels and applying some stuff, lol). But yes, for every browser..  Ah, would...
Hey am developing a website where i want to display a div with a semi transparent background so that the page background is visible. i want this to work on all browsers. am fine using CSS , JS or jquery... please give me suggestions and if possible s...
What is the best way to make something like a mask with rounded corners for an image using CSS/JS/HTML? So, I need to add rounded corners to a rectangle image. I thought about adding 4 graphic elements like this one  above the image at its corners to...
I got this situation which is hard for me to search on Google and explain.  Our company prints photos on aluminium and we give our customers two choices.   The first choice is to print their pictures on aluminium just like they gave the picture to us...

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