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Questions tagged [transparency]

Transparency is the property of being see-through; a transparent object reveals objects behind it. Transparency is also known as alpha blending. The opposite of transparency is opacity.

Transparency in technology is an attribute of a graphical object and refers to the degree to which the object can be seen through.

Objects can be layered on top of one another, the order of which is decided by a . An object which is rendered "on top of" another may have a transparency level where the object underneath is seen through the object on top, with the view of the object underneath blended () with that of the object on top.

Transparency is the opposite of .

See also:

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Is it possible to make an image transparent in a gradient?

I want to do it using CSS. I don't want to the whole image to have equal transparency on every pixel.
scythargon
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How to draw transparent BMP with GDI+

I'm currently editing some old GDI code to use GDI+ and ran into a problem when it comes to draw a BMP file with transparent background. The old GDI code did not use any obvious extra code to draw the background transparent so I'm wondering how to…
sigy
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how to make gtk.Layout transparent

don be afraid of that big class - it was interesting for me to write so it could work in that universal way. it could be the parent-class for transparent elements, and not-parent. so, the trouble. it can make transparent the main gtk.Window, the…
scythargon
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Removing blotchiness on transparent PNGs filtered with additional opacity in IE

I made a rotating image fader using Javascript and CSS to show images and unload them. I wanted to use transparent PNG's, I didn't expect or care if they looked good in IE 6, but IE 7 and 8 treated them with the same disrespect. Firefox and other…
Peter Turner
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Java - Transparent window on Dual Monitor

I want to use a fullscreen transparent Window in Java. Looks like no Problem. Window ovl = new Window(null) ; ovl.setBackground(new Color(255,255,255,200)); ovl.setLayout(new BorderLayout()); ovl.setVisible(true); ovl.setAlwaysOnTop(true); //…
Roland Schuller - IT-Open.at
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CSS3 background-clip not working for transparent borders

I am following the transparent border tutorial at CSS-Tricks. However, my code does not render the border transparent. My code (to my eyes) looks correct. Please see this fiddle #popup { position: fixed; top: 20px; right: 20px; …
mrtsherman
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How do I control the opacity of image mask output created from two images, in SVG?

How do I retain the opacity of an image when creating an image mask using two images in SVG? As seen in the picture below, the image is nearly transparent - it should be completely opaque. Why is this happening, and how can I force the masked…
Danny Bullis
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How to create a transparent image with text using GIMP from command line interface

Yes, I want to use GIMP to create a transparent image with some text on my Ubuntu box. Please help.
Rakesh Sankar
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WebGL z-buffer artifacts?

We are working on a Three.js based WebGL project, and have trouble understanding how transparency is handled in WebGL. The image shows a doublesided surface drawn with alpha = 0.7, which behaves correctly on its right side. However closer to the…
Emil Axelsson
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Merging JPGs with GDI in C#

My scenario: I have one color background image JPG. I have one black text on white background JPG. Both images are the same size (height and width) I want to overlay the image with black text and white background over the color background image,…
Bryan Denny
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Very slow scrolling in JScrollPane when using per-pixel transparency

I am using per-pixel transparency using AWTUtilities.setWindowOpaque() on JFrame, that contains JScrollPane. When transparency is on, the scrolling in that pane is very slow and laggy, without it is not. Trying this on Windows 7 and JDK 6. public…
Jay Gridley
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Combining semi transparency of background image with keyframe animation

I would like to add a continuous fading effect in the background image of my wrapper. I know you can use keyframe animation to make a background image move arround, however, i was wondering if there is a fade effect possible using this technique.…
Daan Twice
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Winforms semi-transparent PNG over semi-transparent PNG

I think I must be missing something obvious, but I'm unable to find this after several hours of searching. Is there no way to use a PictureBox or other control to contain an image with partial transparent/alpha-blended pixels, and place that over…
eselk
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ISGL3D Transparency issues

I am running a iOS project using the isgl3d framework for showing pod files. I have a stylish car with 0.5 alpha windows, that I wish to render on a camera background, seeking some augmented reality goodness. The alpha on the windows looks okay, but…
Nils Munch
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How to create a translucent(the space below the window should be Clickable) window for java SE 1.5?

I have come across many articles that makes transparent window(i.e by taking a screencapture and drawing that image as background). But using them i can't do anything over the space that is occupied by my applet(as it's not click-through). I also…
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