protected async Task ConvertImageAsync(string source, string destination, int widthDp, int heightDp, int dpi, ImageFormat extension, ColorInfo color)
{
var pixelWidth = ResolutionConverter.DpToPixel(widthDp, dpi);
var pixelHeight = ResolutionConverter.DpToPixel(heightDp, dpi);
using (var bitmap = new Bitmap(pixelWidth, pixelHeight))
{
var document = SvgDocument.Open(source);
document.Width = new SvgUnit(SvgUnitType.Pixel, pixelWidth);
document.Height = new SvgUnit(SvgUnitType.Pixel, pixelHeight);
document.Ppi = dpi;
if (color != null)
{
foreach (var documentChild in document.Children)
{
ChangeFill(document, documentChild, ColorHelper.FromRgb(color.HexCode));
}
}
document.Draw(bitmap);
using (var writeStream =
new FileStream(destination, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite))
{
bitmap.Save(writeStream, extension);
}
}
}
public Boolean Validate(IMediaFeature feature, IRenderDevice device)
{
var res = ResolutionConverter.Convert(feature.Value);
if (res != null)
{
var desired = res.AsInt32();
var available = device.Resolution;
if (feature.IsMaximum)
{
return(available <= desired);
}
else if (feature.IsMinimum)
{
return(available >= desired);
}
return(desired == available);
}
return(false);
}