/// <summary>
/// Gets the face-only texture from the given texture.
/// </summary>
/// <returns>The face texture.</returns>
/// <param name="tex">The camera shot texture</param>
/// <param name="face">The detected face</param>
public static Texture2D GetFaceTexture(Texture2D tex, ref Face face)
{
if (tex != null && face != null)
{
FaceRectangle rect = face.faceRectangle;
int texY = tex.height - rect.top - rect.height;
return(CloudTexTools.GetTexturePart(tex, rect.left, texY, rect.width, rect.height));
}
return(null);
}
// draw face rectangles
/// <summary>
/// Draws the face rectacgles in the given texture.
/// </summary>
/// <param name="faces">List of faces.</param>
/// <param name="tex">The camera shot texture</param>
public static void DrawFaceRects(Texture2D tex, Face[] faces, Color[] faceColors)
{
for (int i = 0; i < faces.Length; i++)
{
Face face = faces[i];
Color faceColor = faceColors[i % faceColors.Length];
FaceRectangle rect = face.faceRectangle;
CloudTexTools.DrawRect(tex, rect.left, rect.top, rect.width, rect.height, faceColor);
}
tex.Apply();
}
/// <summary>
/// Gets the image as texture2d.
/// </summary>
/// <returns>The image.</returns>
public Texture2D GetImage()
{
Texture2D snap = new Texture2D(webcamTex.width, webcamTex.height);
if (webcamTex)
{
snap.SetPixels(webcamTex.GetPixels());
snap.Apply();
if (flipHorizontally)
{
snap = CloudTexTools.FlipTexture(snap);
}
}
return(snap);
}
/// <summary>
/// Gets webcam snapshot.
/// </summary>
public Texture2D GetSnapshot()
{
Texture2D snap = new Texture2D(webcamTex.width, webcamTex.height, TextureFormat.ARGB32, false);
if (webcamTex)
{
snap.SetPixels(webcamTex.GetPixels());
snap.Apply();
if (flipHorizontally)
{
snap = CloudTexTools.FlipTexture(snap);
}
}
return(snap);
}
// draw face rectangles
/// <summary>
/// Draws the face rectangles in the given texture.
/// </summary>
/// <param name="faces">List of faces.</param>
/// <param name="tex">Tex.</param>
/// <param name="faceColors">List of face colors for each face</param>
/// <param name="drawHeadPoseArrow">If true, draws arrow according to head pose of each face</param>
public void DrawFaceRects(Texture2D tex, Face[] faces, Color[] faceColors, bool drawHeadPoseArrow)
{
for (int i = 0; i < faces.Length; i++)
{
Face face = faces[i];
Color faceColor = faceColors[i % faceColors.Length];
FaceRectangle rect = face.faceRectangle;
CloudTexTools.DrawRect(tex, rect.left, rect.top, rect.width, rect.height, faceColor);
if (drawHeadPoseArrow)
{
HeadPose headPose = face.faceAttributes.headPose;
int cx = rect.width / 2;
int cy = rect.height / 4;
int arrowX = rect.left + cx;
int arrowY = rect.top + (3 * cy);
int radius = Math.Min(cx, cy);
float x = arrowX + radius * Mathf.Sin(headPose.yaw * Mathf.Deg2Rad);
float y = arrowY + radius * Mathf.Cos(headPose.yaw * Mathf.Deg2Rad);
int arrowHead = radius / 4;
if (arrowHead > 15)
{
arrowHead = 15;
}
if (arrowHead < 8)
{
arrowHead = 8;
}
CloudTexTools.DrawArrow(tex, arrowX, arrowY, (int)x, (int)y, faceColor, arrowHead, 30);
}
}
tex.Apply();
}
