public IObservable <int> GenerateMetaData(int dpi, Rectangle?area)
{
return(Observable.Create((IObserver <int> observer) =>
{
MetaDataDTO = new GerberMetaDataDTO
{
UnitInMicroMeters = Header.UnitInMicroMeters,
TrailingDigits = Header.TrailingDigits,
DPI = dpi,
Scale = (int)Math.Pow(10, Header.TrailingDigits) / dpi,
Bounds = area ?? CalculateBounds()
};
MetaDataDTO.PolarityLayers.Add(new PlarityLayerDTO()
{
IsDarkPolarity = true
});
if (MetaDataBaseDTO == null)
{
MetaDataBaseDTO = MetaDataDTO;
}
var counter = 0;
Traces.ToObservable().Subscribe(
trace =>
{
updateMetaData(trace, 0);
observer.OnNext(++counter);
},
ex => observer.OnError(ex),
() => observer.OnCompleted()
);
return () => { };
}));
}
/// <summary>
/// Draw metada in size passed
/// </summary>
/// <param name="metaData"></param>
/// <param name="size">Maximun width and height to scale the image</param>
/// <returns>Return bitmap with image</returns>
public Bitmap Draw(GerberMetaDataDTO metaData, Size size)
{
var width = metaData.Bounds.Width / metaData.Scale;
var height = Math.Abs(metaData.Bounds.Height) / metaData.Scale;
var image = new Bitmap(width + 1, height + 1);
image.SetResolution(metaData.DPI, metaData.DPI);
var offsetX = metaData.Bounds.X / metaData.Scale * -1;
var offsetY = (metaData.Bounds.Y + metaData.Bounds.Height) / metaData.Scale * -1;
using (Graphics graphics = Graphics.FromImage(image))
{
Pen penAux = new Pen(Color.Gray, 1);
for (var h = 0; h < image.Height; h++)
{
graphics.DrawLine(penAux, 0, h, image.Width, h);
}
var color = Color.Green;
Pen pen = new Pen(color, 1);
metaData.PolarityLayers.ForEach(
p => p.Rows.ForEach(r =>
r.Columns.ForEach(c =>
{
if (c.Left == c.Right)
{
if (c.Left + offsetX < image.Width && r.RowIndex + offsetY < image.Height)
{
image.SetPixel(c.Left + offsetX, r.RowIndex + offsetY, color);
}
}
else
{
graphics.DrawLine(pen, c.Left + offsetX, r.RowIndex + offsetY, c.Right + offsetX, r.RowIndex + offsetY);
}
})
));
}
if (!size.IsEmpty)
{
var scale = 1f;
scale = (float)size.Width / width;
var scaleSY = (float)size.Height / height;
if (scaleSY < scale)
{
scale = scaleSY;
}
width = (int)(width * scale);
height = (int)(height * scale);
var imageScale = new Bitmap(width + 1, height + 1);
imageScale.SetResolution(metaData.DPI, metaData.DPI);
var destRect = new Rectangle(0, 0, width, height);
using (Graphics graphics = Graphics.FromImage(imageScale))
{
graphics.DrawImage(image, destRect);
}
return(imageScale);
}
else
{
return(image);
}
}
/// <summary>
/// Draw metada
/// </summary>
/// <param name="metaData"></param>
/// <returns>Return bitmap with image</returns>
public Bitmap Draw(GerberMetaDataDTO metaData)
{
return(Draw(metaData, new Size()));
}