/// <summary>
/// Creates a <see cref="BitmapImage"/> from the stored <see cref="Dna"/> and stores it on the <see cref="IDnaRendererUtility"/>.
/// </summary>
/// <param name="width">Width of the <see cref="BitmapImage"/>.</param>
/// <param name="height">Height of the <see cref="BitmapImage"/>.</param>
/// <param name="renderer">The renderer to create the <see cref="BitmapImage"/> with.</param>
public void CreateBitmapImage(int width, int height, IDnaRendererUtility renderer)
{
if (renderer == null)
{
throw new ArgumentNullException(nameof(renderer));
}
renderer.Image = Render(width, height, renderer).ToBitmapImage();
}
// Renders the image of a given size to a writeable bitmap.
private WriteableBitmap Render(int width, int height, IDnaRendererUtility renderer)
{
var writeableBitmap = new WriteableBitmap(width, height, 300, 300, PixelFormats.Rgb24, null);
if (this.dnaSource == null)
{
return(writeableBitmap);
}
renderer.CreateImage(writeableBitmap, this.dnaSource);
return(writeableBitmap);
}
/// <summary>
/// Renders the stored <see cref="Dna"/> with the given <see cref="IDnaRendererUtility"/>.
/// </summary>
/// <param name="renderer">The renderer to create the image with.</param>
/// <returns>The location of the image.</returns>
public string RenderImage(IDnaRendererUtility renderer)
{
if (renderer == null)
{
return(errorImageLocation);
}
this.dnaBitmapRenderer.CreateBitmapImage(this.renderWidth, this.renderHeight, renderer);
if (renderer.Image == null)
{
return(errorImageLocation);
}
return(renderer.SaveToFile(saveLocation));
}
/// <summary>
/// Saves the image stores on the <see cref="IDnaRendererUtility"/> to the given save path.
/// </summary>
/// <param name="renderer">The renderer that produced an image.</param>
/// <param name="savePath">The path to save the file to.</param>
/// <returns></returns>
public static string SaveToFile(this IDnaRendererUtility renderer, string savePath)
{
const string fileType = ".jpg";
var encoder = new JpegBitmapEncoder();
var saveLocation = Path.Combine(savePath, renderer.Name);
// TODO fix this hack to get a unique file.
if (File.Exists(saveLocation + fileType))
{
saveLocation += Guid.NewGuid().ToString();
}
saveLocation += fileType;
encoder.Frames.Add(BitmapFrame.Create(renderer.Image));
using (var filestream = new FileStream(saveLocation, FileMode.OpenOrCreate))
{
encoder.Save(filestream);
}
return(saveLocation);
}
/// <summary>
/// Renders a bitmap for the selected renderer and sets the image.
/// </summary>
public void RenderImage(IDnaRendererUtility renderer)
{
this.DnaBitmapImageLocation = ImageManager.Instance.RenderImage(renderer);
}
