/// <summary>
/// Scales the foreground image by X percent
/// </summary>
/// <param name="scale">Expects a value between [0.0,1.0]. Beyond 1.0 will scale the image larger.</param>
private static Image <Rgba32> ScaleImage(Image <Rgba32> sourceImage, double scale)
{
var canvasWidth = UpscaledCanvasWidth;
var canvasHeight = UpscaledCanvasHeight;
var resizeWidth = (int)Math.Max(canvasWidth * scale, 1.0);
var resizeHeight = (int)Math.Max(canvasHeight * scale, 1.0);
return(IconResizer.ResizeImage(sourceImage, resizeWidth, resizeHeight, canvasWidth, canvasHeight));
}
/// <summary>
/// Exports the currently set image to a file
/// Saves image as png and applies all effects to the image before saving
/// </summary>
public void ExportImage()
{
if (_workingImage == null || string.IsNullOrEmpty(_workingImagePath))
{
return;
}
const string ResizedImageSuffix = "_resized";
const string PngExtension = ".png";
using (var resizedImage = ScaleImage(_workingImage, _imageScale))
using (var invertedImage = _invertColor ? InvertImage(resizedImage) : resizedImage)
{
var resizedImageName = System.IO.Path.GetFileNameWithoutExtension(_workingImagePath) + ResizedImageSuffix + PngExtension;
var resizedImagePath = System.IO.Path.Join(System.IO.Path.GetDirectoryName(_workingImagePath), resizedImageName);
IconResizer.SaveImagePng(invertedImage, resizedImagePath);
}
}
/// <summary>
/// Inverts the colors of the image
/// </summary>
/// <param name="sourceImage"></param>
/// <returns></returns>
private static Image <Rgba32> InvertImage(Image <Rgba32> sourceImage)
{
return(IconResizer.InvertImage(sourceImage));
}
