transparency
How can I set the opacity or transparency of a Panel in WinForms?
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
Only PNG supports transparency, is that true?
png-32 supports different levels of transparency. Each pixel can have an opacity between 0 and 255, with 0 as completely transparent. png-24 supports setting one color as fully transparent. Everything else will be opaque. gif uses a color palette. You can specify that one color in the palette is fully transparent. png-8 also uses a … Read more
ImageMagick extend canvas with transparent background
Use this instead: convert \ input.png \ -background none \ -gravity center \ -extent 100×100 \ output.png Note well: The order of the parameters is significant! (To convince yourself, just put -background none at the end of the parameters instead of the start…) Updated: Thanks to @jesmith who noticed that the commandline I originally provided … Read more
smallest filesize for transparent single pixel image
The smallest valid transparent GIF is 35 bytes. data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEAAAAALAAAAAABAAEAAAIBAAA= 47 49 46 38 39 61 01 00 01 00 00 00 00 21 f9 04 01 00 00 00 00 2c 00 00 00 00 01 00 01 00 00 02 01 00 00 This should work in every browser, new and old, as well … Read more
How can I make an image transparent on Android?
Try this: ImageView myImage = (ImageView) findViewById(R.id.myImage); myImage.setAlpha(127); //value: [0-255]. Where 0 is fully transparent and 255 is fully opaque. Note: setAlpha(int) is deprecated in favor of setAlpha(float) where 0 is fully transparent and 1 is fully opaque. Use it like: myImage.setAlpha(0.5f)
How to find the alpha channel transparency value of a pixel in a png image? [closed]
In Photoshop’s Info panel, you can choose ‘Opacity’ as a readout mode, though it will show up as a percentage and not as a real alpha value. To enable it, simply open the Info window, choose Panel Options and then set the Second Color Readout mode to Opacity.
WPF Window with transparent background containing opaque controls [duplicate]
Instead of setting the opacity of the window, set its background’s opacity: <Window x:Class=”WpfApplication3.MainWindow” xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation” xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml” Title=”MainWindow” Height=”350″ Width=”525″ AllowsTransparency=”True” WindowStyle=”None”> <Window.Background> <SolidColorBrush Opacity=”0.5″ Color=”White”/> </Window.Background> <Grid> <Button Width=”200″ Height=”50″>button</Button> </Grid> </Window>
How to make transparent gradient?
Just use an 8-digit color value, e.g. #FFF8F8F6, where the first two characters are the alpha value. FF being fully opaque, and 00 being fully transparent.
Setting Background color to transparent in Plotly plots
For a fully transparent plot, make sure to specify both the paper bgcolor and the plot’s: import plotly.plotly as py from plotly.graph_objs import * py.sign_in(”, ”) data = Data([ Bar( x=[‘Sivaranjani S’, ‘Vijayalakshmi C’, ‘Rajeshwari S’, ‘Shanthi Priscilla’, ‘Pandiyaraj G’, ‘Kamatchi S’, ‘MohanaPriya’, ‘Madhumitha G’, ‘Franklin Alphones Raj J’, ‘Akfaris Almaas’, ‘Biswajit Champati’, ‘Priya R’, … Read more