Edge Detect Classic (for Paint.NET v5.0+)

BoltBait · January 24, 2023

The Stylize > Edge Detect effect was rewritten for Paint.NET v5.0 and several people have requested the old edge detect effect back. So, here it is:

This is the "classic" (pre v5.0) version of Stylize > Edge Detect.

Download

EdgeDetectClassic.zip

Download this zip file to your desktop. Unzip it. Run the included Install_EdgeDetectClassic batch file.

After install, you should find the effect in the Effects > Stylize menu under the name of "Edge Detect Classic".

Source

CodeLab script:

Spoiler

// Name: Edge Detect Classic
// Submenu: Stylize
// Author: BoltBait
// Title: BoltBait's Edge Detect Classic v1.0
// Version: 1.0
// Desc: Old-School Edge Detect
// Keywords: edge|detect|classic
// URL: https://BoltBait.com/pdn
// Help: Edge Detect Classic v1.0\nUI ©2023 by BoltBait\nAlgorithm ©2004 by Chris Crosetto\nAll rights reserved.
#region UICode
AngleControl Amount1 = 45; // [-180,180] Edge Detect Angle
#endregion

EdgeDetectEffect edgedetectEffect = new EdgeDetectEffect();
PropertyCollection edgedetectProps;

protected override void OnDispose(bool disposing)
{
    if (disposing)
    {
        edgedetectEffect?.Dispose(); edgedetectEffect = null;
    }

    base.OnDispose(disposing);
}

void PreRender(Surface dst, Surface src)
{
    edgedetectEffect.EnvironmentParameters = EnvironmentParameters;
    edgedetectProps = edgedetectEffect.CreatePropertyCollection();
    PropertyBasedEffectConfigToken edgedetectParameters = new PropertyBasedEffectConfigToken(edgedetectProps);
    edgedetectParameters.SetPropertyValue(EdgeDetectEffect.PropertyNames.Angle, Amount1);
    edgedetectEffect.SetRenderInfo(edgedetectParameters, new RenderArgs(dst), new RenderArgs(src));
}

void Render(Surface dst, Surface src, Rectangle rect)
{
    edgedetectEffect.Render(new Rectangle[1] {rect},0,1);
}