I\'m developing an android app and I\'m facing a weird issue. I\'m doing some image processing on a SurfaceView. I\'m drawing the processed image using a canvas and the following method:
How do I color a cell in a datagridview with the alpha-channel? 开发者_开发百科 RGB works ok, but when specifying the alpha I get distorted numbers instead. I make this color change in the cellPaintin
It seems that PNG loaded with ImageIO.read ignore the alpha channel. (I tried with JRE 6 update 20) Bug ?
I am trying to use GetPixel and SetPixel to copy the contents of one picture to another (I know there are other methods to do so, but there are reasons I want to try this ;D)
I\'ve made a Color Picker in C#, but s开发者_如何学Goomeone asked me to make an Alpha property. So far it works great, except for the part of the Alpha property itself.
I want to render particles with hexagons that fade out to the outside. I\'ve used a TRIANGLE_FAN for each particle.开发者_高级运维 However, the transparency doesn\'t look very nice.
I read a couple of thing about this, but I can\'t figure how to put it in my code. Here it is : function go($im开发者_如何学Pythonage) {
I have an app in which I am trying to allow the user to dim the display by gestures.I have a UIView which contains a number of other views and buttons, and over that I place a UIView whose background
Alpha blended forms a开发者_如何学Gore no problem (for example http://www.codeproject.com/KB/graphics/alphaBG.aspx) but alpha blended controls like pictureboxes with 32bit images don\'t work...
I\'ve added a button to a lower toolbar like this: UIImage *locationImage = [UIImage imageNamed:@\"193-location-arrow.png\"];