transparency

CSS opacity and child elements

<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: alpha(opacity = 100); } </style> <div id="foo"> <div>Lorem</div> <div>ipsum</div> <div>dolor</div> </div> In the a...

smallest filesize for transparent single pixel image

I'm looking for the smallest (in terms of filesize) transparent 1 pixel image. Currently I have a gif of 49 bytes which seems to be the most popular. But I remember many years ago having one which was less than 40 bytes. Could have been 32 bytes. Can anyone do better? Graphics format is no concern as long as modern web browsers can di...

CSS: Making two transparent images overlapping

Hi all, I'm trying to make two transparent images (having the same size/dimension ) overlapping into a div at their top left corner. I tried: <html xmlns="http://www.w3.org/1999/xhtml"&gt; <body> <div style="margin:20px;"> <div id="main" style="overflow:hidden;background-color:red;width:400px;height:400px;border:3px solid blue;"> <img s...

UIView transparency shows how the sausages are made!

I have a UIView container that has two UIImageViews inside it, one partially obscuring the other (they're being composed like this to allow for occasional animation of one "layer" or another. Sometimes I want to make this container 50% alpha, so what the users sees fades. Here's the problem: setting my container view to 50% alpha makes ...

transparency in windows forms C#

if the transparentkey property is used to make the top level form transparent,it works , but it also makes the main form click-throughable. I want the opposite of this, that the form becomes transparent, but is still able to recieve clicks. can this be done ? ...

Transparent div background, with a tint of color?

Hello. Can anyone tell me how to make a div's background transparent, but with a tint of color, such as black. I've tried this using CSS although I can only get the div to be either transparent or filled with color. Thanks for the help! ...

NSColor transparency on black background?

In the background of my view, I draw a light blue color. And in the middle, i have a square box that is supposed to have an even lighter gray in it that has a 20% transparency. But for some reason the transparency is on top of a black background instead of a blue. I'm sorry If i'm not being clear. ...

Static PNG image with transparency in IE8

Similar to this question http://stackoverflow.com/questions/1251416/png-transparency-problems-in-ie8 But the answer here was to remove opacity - but I can't remove opacity. How can it be made to work with opacity? ...

How do I clear a Direct2D render target to fully transparent

Hi all, I'm trying to draw semi-transparent rectangles on an invisible HWND. However, clearing the window with ID2D1HwndRenderTarget::Clear just makes the entire window black, so when I draw rectangles on top, they look semi-black. If I don't Clear() and don't draw, then the window is invisible, as it should be. Clear() is the culprit ...

Semi-transparent PNG Image on transparent Form

Hello, I have a problem dealing with transparent images on transparent Forms. I have been trying and looking for a solution but nothing useful came up. The problem is: I have a Form, this Form has a Panel and the Panel has a PictureBox. Form and Panel are transparent. Now, if the image of the PictureBox has no semi-transparent it work...

Better png for iexplorer 6 with fireworks instead of pngfix?

Hi, I have made some screenshots of my website, and in internet explorer 6 my website looks crappy (see screenshot) I have heard something about a PNG fix, is a PNG fix the way to solve the crappy look? Do you think this could be helpfull for me? ...

visual c# - onPaint and transparency

hello everybody, I am making a simple form with two semi-transparent texts and i put it in a paint event. only, when I wider the form, the texts turn darker and grainy. actualy I want the darker color but not the grainy effect. here is my code snippet: private void sbfToolBox_Paint(object sender, PaintEventArgs e) { System.Drawing...

Firefox Opacity (Transparancy) Gradient - Fading out an image

I have an element with content inside it. The element - with its content - should be fully opaque on the left , fully transparent on the right. Evenly graded from right to left. As the content and background it is merging into are not fixed, there is no way to make an image in advance. I am aware that gradients can be used as backgrou...

IE GIF/PNG Transparency issue with jQuery

Ok, this is pretty weird... Here's the page in question: http://s289116086.onlinehome.us/lawjournaltv/index.php The main blue callout background was originally a PNG, but when I applied some jQuery trickery to it (click the numbers in the top right to see what I mean), an ugly white border appeared where the transparency should be. Se...

JPEG image with alpha channel on website

I would like to make a JPEG image file with some pixels that are partially transparent or fully transparent, similar to a PNG file with an alpha channel. Is this possible? If so, how would I go about doing this? I would like to use the image on a website. If I try to do this, would it work in any or all of the popular browsers (IE 7+, F...

PHP GD issues with ImageCreateTrueColor and PNGs

I am resizing PNG images using the GD image library function ImageCopyResampled(). It all works fine, I can even keep alpha blending transparency with the use of ImageCreateTrueColor() rather than using ImageCreate() to create the resized image. The problem is, that if I use ImageCreateTrueColor() rather than ImageCreate() the file size...

How do you override the opacity of a parent control in WPF?

When you set the opacity on a Grid in WPF, all the child elements appear to inherit its Opacity. How can you have a child element not inherit the parent's opacity? For example, the following parent grid has one child grid in the middle with a background set to red, but the background appears pinkish because of the parent's opacity. I'd ...

How do I use IImgCtx to get load an image with an alpha channel?

I have some working code that uses IImgCtx to load images, but I can't work out how to get at the alpha channel. For images like .gif's and .png's there are transparent pixels, but using anything other than a 24-bit bitmap as a drawing surface doesn't work. For reference on the interface: http://www.codeproject.com/KB/graphics/JianImgCt...

How to paste transparent image into flash project

Hi, I've created a short text (a word) in photoshop with the blending options I prefer and now it's all done I would like to paste it into my flash project. The problem is I can't get the text to be transparent in the flash, I always see the white background which is not very nice since the background on which the text will show is actua...

With only CSS, is it possible to trigger :hover and click events underneath an element?

I have a semi-transparent PNG as a background image for a div that that I'm placing over some links. As a result, the links aren't clickable. Is there a way I can hover and click "through" the div that's on top? (BTW, to position to foreground div I'm using absolute positioning and z-index.) Thanks! Mike ...