For whoever is still looking for a totally transparent panel, I found a nice solution in this blog by William Smash who in turn has taken it from Tobias Hertkorn on his T# blog. I thought its worth posting it as an answer here. C# code: public class TransparentPanel : Panel { protected override CreateParams … Read more
imagealphablending( $targetImage, false ); imagesavealpha( $targetImage, true ); did it for me. Thanks ceejayoz. note, the target image needs the alpha settings, not the source image. Edit: full replacement code. See also answers below and their comments. This is not guaranteed to be be perfect in any way, but did achieve my needs at the … Read more
The Windows clipboard, by default, does not support transparency, but you can put content on the clipboard in many types together to make sure most applications find some type in it that they can use. Sadly, the most common type, DeviceIndependentBitmap (which Windows itself seems to use) is a really dirty and unreliable one. I … Read more
N.B. There is a clipping bug in this code, which is fixed in the accepted answer to paintComponent() is drawing on other components. This should only be considered as a solution if the ‘clipping bug fix’ is incorporated. // Paint the BG color of the parent, everywhere outside the clip // of the text bubble. … Read more
After spending some reputation on a unsuccessful bounty to get some help on this issue, I finally realized how complex was the problem I was interested in. The few individuals that have accomplished this task don’t share much. During my research I found different ways to achieve what I was looking for. One of the … Read more
You can achieve a transparent cut out circle with 2 different techniques : 1.SVG The following examples use an inline svg. The first snippet uses the mask element to cut out the transparent circle and the second hollow circle is made with a path element. The circle is made with 2 arc commands : With … Read more
You don’t need to change the background color of the image to the background color of the window, but make the background of the image transparent. Set the transparent colorkey by pygame.Surface.set_colorkey: Set the current color key for the Surface. When blitting this Surface onto a destination, any pixels that have the same color as … Read more
Use the below code for black: <color name=”black”>#000000</color> Now if I want to use opacity then you can use the below code: <color name=”black”>#99000000</color> <!– 99 is for alpha and others pairs zero’s are for R G B –> And below for opacity code: and all opacity level here Hex Opacity Values 100% — FF … Read more
This is a Custom Control derived from Control, which can be made translucent. The interface is a colored circle which can contain a couple of numbers. The Control exposes these custom properties: Opacity: The level of opacity of the control BackGround [0, 255] InnerPadding: The distance between the inner rectangle, which defines the circle bounds … Read more
Building on Jeff’s answer, your first step would be to create a canvas representation of your PNG. The following creates an off-screen canvas that is the same width and height as your image and has the image drawn on it. var img = document.getElementById(‘my-image’); var canvas = document.createElement(‘canvas’); canvas.width = img.width; canvas.height = img.height; canvas.getContext(‘2d’).drawImage(img, … Read more