public static SalientArea[] FromQuery(ResizeSettings s)
{
var salientareas = s.GetList <float>("c.salientareas", null);
if (salientareas != null)
{
if (salientareas.Length % 5 != 0)
{
throw new ImageProcessingException(400,
"Incorrect number of values provided in c.salientareas (must be multiple of 5). Usage: &c.salientareas=x1,y1,x2,y2,weight,x1,y1,x2,y2,weight");
}
return(salientareas.ToList()
.SplitList(5)
.Select(v => new SalientArea {
Area = new RectangleF(v[0], v[1], v[2] - v[0], v[3] - v[1]),
Weight = v[4]
})
.ToArray());
}
var focus = s.GetList <float>("c.focus", null);
if (focus != null && focus.Length == 2)
{
return(new[] { new SalientArea {
Area = new RectangleF(focus[0], focus[1], 0, 0), Weight = 1
} });
}
if (focus != null && focus.Length > 2 && focus.Length % 4 == 0)
{
return(focus.ToList()
.SplitList(4)
.Select(v => new SalientArea {
Area = new RectangleF(v[0], v[1], v[2] - v[0], v[3] - v[1]),
Weight = 1
})
.ToArray());
}
return(new SalientArea[0]);
}
private RectangleF determineManualCropWindow(ResizeSettings settings)
{
RectangleF cropWindow = copyRect;
if (cropWindow.IsEmpty)
{
//Use the crop size if present.
cropWindow = new RectangleF(new PointF(0, 0), originalSize);
if (settings.GetList <double>("crop", 0, 4) != null)
{
cropWindow = PolygonMath.ToRectangle(settings.getCustomCropSourceRect(originalSize)); //Round the custom crop rectangle coordinates
//Ensure right/bottom bounded after rounding completes
cropWindow.Width = Math.Min(originalSize.Width - cropWindow.Left, cropWindow.Width);
cropWindow.Height = Math.Min(originalSize.Height - cropWindow.Top, cropWindow.Height);
if (cropWindow.Size.IsEmpty)
{
throw new Exception("You must specify a custom crop rectangle if crop=custom");
}
}
}
return(cropWindow);
}
