public static Bitmap DrawFaces(Bitmap baseImage, Microsoft.ProjectOxford.Face.Contract.Face[] faces, EmotionScores[] emotionScores, string[] celebName)
{
if (faces == null)
{
return(baseImage);
}
Action <System.Drawing.Graphics, double> drawAction = (drawingContext, annotationScale) =>
{
for (int i = 0; i < faces.Length; i++)
{
var face = faces[i];
if (face.FaceRectangle == null)
{
continue;
}
Rectangle faceRect = new Rectangle(
face.FaceRectangle.Left, face.FaceRectangle.Top,
face.FaceRectangle.Width, face.FaceRectangle.Height);
string text = "";
if (face.FaceAttributes != null)
{
text += Aggregation.SummarizeFaceAttributes(face.FaceAttributes);
}
faceRect.Inflate((int)(6 * annotationScale), (int)(6 * annotationScale));
double lineThickness = 4 * annotationScale;
drawingContext.DrawRectangle(new Pen(Color.Yellow, (float)lineThickness), faceRect);
}
};
return(DrawOverlay(baseImage, drawAction));;
}
public static BitmapSource DrawFaces(BitmapSource baseImage, Microsoft.ProjectOxford.Face.Contract.Face[] faces, EmotionScores[] emotionScores, string[] celebName, Control form)
{
if (faces == null)
{
return(baseImage);
}
Action <DrawingContext, double> drawAction = (drawingContext, annotationScale) =>
{
//ImageSource imgsrc = null;
for (int i = 0; i < faces.Length; i++)
{
var face = faces[i];
if (face.FaceRectangle == null)
{
continue;
}
Rect faceRect = new Rect(
face.FaceRectangle.Left, face.FaceRectangle.Top,
face.FaceRectangle.Width, face.FaceRectangle.Height);
string text = "";
if (face.FaceAttributes != null)
{
text += Aggregation.SummarizeFaceAttributes(face.FaceAttributes);
}
if (emotionScores?[i] != null)
{
text += Aggregation.SummarizeEmotion(emotionScores[i]);
}
if (celebName?[i] != null)
{
text += celebName[i];
}
faceRect.Inflate(6 * annotationScale, 6 * annotationScale);
double lineThickness = 4 * annotationScale;
drawingContext.DrawRectangle(
Brushes.Transparent,
new Pen(s_lineBrush, lineThickness),
faceRect);
ClearEmojis(form);
if (text != "")
{
text = GetEmotionName(text);
FormattedText ft = new FormattedText(text,
CultureInfo.CurrentCulture, System.Windows.FlowDirection.LeftToRight, s_typeface,
16 * annotationScale, Brushes.Black);
var pad = 6 * annotationScale;
var ypad = pad;
var xpad = pad + 10 * annotationScale;
var origin = new System.Windows.Point(
faceRect.Left + xpad - lineThickness / 2,
faceRect.Top - ft.Height - ypad + lineThickness / 2);
var rect = ft.BuildHighlightGeometry(origin).GetRenderBounds(null);
rect.Inflate(xpad, ypad);
drawingContext.DrawRectangle(s_lineBrush, null, rect);
drawingContext.DrawText(ft, origin);
var x = baseImage.DpiX + faceRect.X;
var y = baseImage.DpiY + faceRect.Y;
Console.WriteLine("------------------");
Console.WriteLine("baseImage width: " + baseImage.Width);
Console.WriteLine("form width: " + form.Width);
Console.WriteLine("faceRect width: " + faceRect.Width);
Console.WriteLine("ft width: " + ft.Width);
Console.WriteLine("x: " + x);
Console.WriteLine("y: " + y);
Console.WriteLine("------------------");
var originEmoji = new System.Windows.Point(
faceRect.Left + lineThickness,
faceRect.Top - ((ft.Height - ypad + lineThickness / 2) * 8));
Rect rectEmoji = new Rect(originEmoji, new Size(90, 90));
drawingContext.DrawRectangle(null, null, rectEmoji);
var displayEmoji = new DisplayEmotion();
displayEmoji.ShowEmoji(drawingContext, rectEmoji, text);
}
}
};
return(DrawOverlay(baseImage, drawAction));
}