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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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Adding some opacity on an image with imagecopymerge in PHP

Here my problem: I want to change the opacity of an image, by copying it on another transparent image. My code: $opacity = 50; $transparentImage = imagecreatetruecolor($width, $height); imagesavealpha($transparentImage, true); $transColour =…
Sybio
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ios "Data Loading" Notification with transparent background

I am trying to create a view in iOS to let the user know their data is loading... it should have about a 200x200 Rounded-corner box in the middle with a spinner and the words "Data Loading..." and a transparent background. This all is working except…
El Guapo
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Picture box transparency in vb

When i run my code, the picture box has a background colour, even though I have set the background colour to transparent in the properties window. any ideas?
Sam
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Android RemoteView Alpha Issue

I would like to change the alpha programmatically value of my image view inside my remote view but it has no effect at all. how i assign it: v.setInt(vR.id.imageView, "setAlpha", alpha); how i declare it:
Anthea
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Component with transparent background to BufferedImage?

I have a component extends JPanel. It saves itself as bufferedimage on every call of paintComponent method. Component is not completely transparent, only its background. Problem is background is not transparent. I am using setOpaque(false); Here is…
previous_developer
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Android getting animation effect only once in dynamic view

I am inflating a view and putting the view below another, everything is fine but the animation is just coming once in desired fashion...and when i again press the button to put the view its not coming the way it had appeared first time. HERE IS THE…
Programmer
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Xcode render the .PNG images all white

I'm importing a .PNG into xcode. The image has transparency. When it's rendered on a button from the ID, all the content of the image except the transparency turns to white. Is this a known issue? Is it because of the way I save the .PNG? Thanks for…
Vince
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Javascript slider with fade fails on chrome while works on FF and IE7/8/9

I am facing problems with this javascript code. It does a fade every 6 seconds between background and foreground div, to create an slider. It works perfectly on Firefox 9 and probably in lower versions, and I have test that it really works in IE7,…
Fran Marzoa
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Transparent label control is not refreshing properly

I've created a transparent label control and the transparency works great. However, I find when I update the control's Text field, the original Text doesn't clear before it paints the new text. So if I change the control's Text field several times,…
simon.d
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Make a portion of div transparent with HTML5 and canvas

I'm working on scratch off HTML5 effect and I need both background and foreground to be DIVs with animated content inside. So I need Foreground DIV on top of Background DIV and I want to mask regions of the Foreground DIV as user scratches them off.…
andr111
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Transparent Oval Border in Windows Forms

Is it possible to make a transparent and oval border in windows forms? Inner part of the form should not be transparent. We have a image with a transparent and oval border, we set it as the BackgroundImage of the form. If we use TransparencyKey,…
mehmet6parmak
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PHP png: transparency converted to visible color. How to avoid it?

When I try to convert png -> png with resizing I got transparency presented as concrete color: #ff00ff; Here is result: https://i.stack.imgur.com/1xTd5.png Here is the code:
John Smith
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How to make a transparent picturebox click through?

I want to make the picture-box in a form to be transparent and click through. In the above image, yellow areas are the picture-boxes and Red area is the form. Form area should be transparent but not click through. Picture-boxes should be…
Failed_Noob
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Convert SWF to PNG image with transparency

I'm converting a swf file to png image using SWFtoImage tool in c#. I'm able to convert the file successfully, but the problem is transparency. The converted image contains a black background instead of transparent, as you can see in the attached…
NaveenBhat
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Marker transparency in Matlab

I would like to know if there is possible to set the transparency of a line marker to opaque in order to improve my animation (satellite movement around the Earth).
julianfperez
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