/// <summary>
/// A simple scaling routine
/// </summary>
/// <param name="bitmap">Bitmap to scale</param>
/// <param name="dpi">uint with the dpi value to scale for</param>
/// <returns>Bitmap</returns>
public static Bitmap SimpleBitmapScaler(Bitmap bitmap, uint dpi)
{
if (dpi == DpiHandler.DefaultScreenDpi)
{
return(bitmap);
}
var newSize = DpiHandler.ScaleWithDpi(bitmap.Size, dpi);
var result = new Bitmap(newSize.Width, newSize.Height, bitmap.PixelFormat);
using (var graphics = Graphics.FromImage(result))
{
graphics.InterpolationMode = InterpolationMode.NearestNeighbor;
graphics.DrawImage(bitmap, new Rectangle(0, 0, newSize.Width, newSize.Height), new Rectangle(0, 0, bitmap.Width, bitmap.Height), GraphicsUnit.Pixel);
}
return(result);
}
/// <summary>
/// Create a BitmapScaleHandler with a ComponentResourceManager as resource provider
/// </summary>
/// <param name="dpiHandler">DpiHandler</param>
/// <param name="resourceType">Type to create the ComponentResourceManager for</param>
/// <param name="bitmapScaler">A function to provide a newly scaled bitmap, you can return the provide bitmap if you want to keep it as is</param>
public static BitmapScaleHandler <string> WithComponentResourceManager(DpiHandler dpiHandler, Type resourceType, Func <Bitmap, uint, Bitmap> bitmapScaler = null)
{
var resources = new ComponentResourceManager(resourceType);
return(Create <string>(dpiHandler, (imageName, dpi) => (Bitmap)resources.GetObject(imageName), bitmapScaler));
}
/// <summary>
/// Create a BitmapScaleHandler with a ComponentResourceManager as resource provider
/// </summary>
/// <param name="dpiHandler">DpiHandler</param>
/// <param name="resourceType">Type to create the ComponentResourceManager for</param>
/// <param name="bitmapScaler">A function to provide a newly scaled bitmap, you can return the provide bitmap if you want to keep it as is</param>
public static BitmapScaleHandler <string, TValue> WithComponentResourceManager <TValue>(DpiHandler dpiHandler, Type resourceType, Func <TValue, uint, TValue> bitmapScaler = null) where TValue : IDisposable
{
return(Create <string, TValue>(dpiHandler, (imageName, dpi) =>
{
var resources = new ComponentResourceManager(resourceType);
return (TValue)resources.GetObject(imageName);
}, bitmapScaler));
}