alpha-transparency Questions
1
Solved
I've been wanting to write it for some time now... as a project for the university, I've written (with a friend) a game that needed good explosions & particles effects. we've encountered some p...
Alitaalitha asked 16/9, 2012 at 12:24
2
Solved
I'm trying to render a texture which has a mix of fully-transparent pixels, and fully-opaque pixels. It seems like my only option is to render them distance-wise back-to-front (after all fully opaq...
Fancywork asked 8/9, 2012 at 23:24
2
Solved
I have a quick question for someone who knows the Python Image Library better than I do. I have a png image with an alpha-channel, and I want the top two rows of pixels to be completely transparent...
Impresario asked 1/9, 2012 at 15:1
1
Does android support alpha channel in any of its native supported video formats, or does anybody has an idea if it is in the pipeline?
Might be possible in h.264 in android in 3.0 ?
Nauseous asked 19/3, 2012 at 22:3
2
Having two overlapping PictureBox controls, I'm trying to make the transparent areas of the picture box let the controls below (in the z-order) being visible.
Even after trying what Microsof...
Recalcitrate asked 10/7, 2012 at 11:17
2
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I have set of images. In this images exist green alpha color. I need replace that transparent color to another color (i want replace to white alpha color).
Its my code:
$img = imagecreatefrompng(...
Zubkoff asked 20/4, 2012 at 12:28
1
Solved
What am I doing wrong here please?
I'm trying to shade alternate 24-hr daily rectangles with transparent gray. But only the last rectangle from the for-loop gets drawn(?!?) If I do things manually ...
Attract asked 12/5, 2012 at 12:56
1
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Im wondering if I'm doing something wrong, or if this is as good a result as im going to get. Both PNGs on the left are 95x111. The image of the robot has a 5px or so padding of transparent pixels ...
Bethea asked 27/9, 2011 at 19:49
3
Solved
Let's say I get a HBITMAP object/handle from a native Windows function. I can convert it to a managed bitmap using Bitmap.FromHbitmap(nativeHBitmap), but if the native image has transparency inform...
Grandniece asked 7/1, 2011 at 15:54
2
Solved
I am trying to do an alpha blend operation of an RGBA image (foreground image), on to a RGB image (background image). However, while doing so I think I may be doing the wrong alpha blending operati...
Quicklime asked 26/1, 2012 at 6:43
1
Solved
I want to change a drawable's alpha value when it is pressed.
So I create two drawables and put them in a StateListDrawable and set the alpha value for the pressed state. But it just doesn't work.
...
Daggerboard asked 15/7, 2011 at 9:51
1
Solved
I'm using System.Drawing.Image in .Net to do a simple conversion from png to jpeg.
I'm basically just using these two lines of code:
Image img = Image.FromFile(filename);
img.Save(newFilename, Sy...
Marabout asked 28/6, 2011 at 22:2
3
Solved
<style type="text/css">
div#foo {
background: #0000ff;
width: 200px;
height: 200px;
opacity: 0.30;
filter: alpha(opacity = 30);
}
div#foo>div {
color: black;
opacity:1;
filter: al...
Garlan asked 1/4, 2010 at 15:19
1
Solved
I'm looking for a formula to convert them.
I know to convert a general transparency it is
alpha * new + ( 1 - alpha ) * old
I have:
Color A : RGB( 85, 113, 135 )
Color B : RGB( 43, 169, 225 )
...
Ferrer asked 17/8, 2010 at 19:21
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