In my Flutter app, I have an image and three sliders, one for Hue, one for Saturation, and one for Brightness, and I'm trying to figure out how to use the ColorFiltered widget to make these adjustm...

I want to convert an image from color to B/W (i.e. no grayscale, just black and white). Does anyone have a good colormatrix to achieve this?

I'm working on a UI for an app, and I'm attempting to use grayscale icons, and allow the user to change the theme to a color of their choosing. To do this, I'm trying to just apply a ColorFilter of...

I have the following ColorMatrixFilter. But I want to use it as a mask for Subtract-Blend mode, instead of using it directly. How do I go about achieving this? ColorMatrix: colorMatrix[ 0.393,...

I have a fairly simple setup where I want to alter the color of the svg image by using an svg filter: <svg style="height: 0;"> <filter id="hover" color-interpolation-filters="sRGB" x="0...

I created a drop shadow in SVG using SourceAlpha for the shadow, so its plain black. Using feColorMatrix I reduced the opacity a bit, but still it wasn't looking as I wanted - I want the color of t...

I have an name card scanner app to help in create new contacts which follows the following steps: User take a picture User crop the picture System shows user cropped image to confirm the crop Sys...

I'm trying to adjust the lightness of an image (You can see this option in Photoshop when trying to adjust the Hue, also lightness and brightness are two different features) using ColorMatrix but a...

I want to change the brightness on certain part of an image. I know how to use ColorMatrix to change the brightness(or hue) of an image. But it will be applied to the whole image. I have a mask f...

Hi I want to implement contrast filter in my application like this link or this contrast but with color matrix and track bar for value I already found color matrix for it float c = mytrackbar.val...

I have read the ColorMatrix documentation and it says the following: 5x4 matrix for transforming the color+alpha components of a Bitmap. The matrix is stored in a single array and its treate...

I am trying to set a constant hue value for entire image with using ColorMatrix. My goal is to make entire image look with same color without loosing brightness of any area. I found a way to shift ...

I'm doing some work on an image processing app (for fun) and am struggling to fully understand how ColorMatrix transformations work. I get the basics of linear/affine transformations, and can get b...