void RenderImage(Graphics graf)
{
if (_ImgCol == null ||
listBoxImg.SelectedIndex < 0 ||
listBoxImg.SelectedIndex >= _ImgCol.ImgList.Count
)
{
_fImgDirty =
_fDetectionDirty = false;
return;
}
LabeledImg labeledImg = _ImgCol.ImgList[listBoxImg.SelectedIndex];
// render the image
if (_fImgDirty)
{
labelImgName.Text = labeledImg.FileName;
Rectangle rect = labelImageBorder.Bounds;
rect.Width = labelHeader.Left - 1 - labelImageBorder.Bounds.Left;
rect.Height = labelStatus.Top - 1 - labelImageBorder.Bounds.Top;
graf.FillRectangle(new SolidBrush(BackColor), rect);
labeledImg.Render(graf, labelImageBorder.Bounds);
if (checkBoxLabel.Checked)
{
labeledImg.RenderAnnotations(graf, labelImageBorder.Bounds);
}
_fImgDirty = false;
}
if (_fDetectionDirty)
{
if (checkBoxDetect.Checked)
{
DetectionResult detRes = DetectFaces(labeledImg);
if (detRes != null)
{
float eThreshold = trackBarThreshold.Value * _eStepSize;
if (radioButtonRawRectangles.Checked)
{
detRes.RenderRawRect(eThreshold, graf, labelImageBorder.Bounds);
}
if (radioButtonMergedRect.Checked)
{
detRes.RenderMergedRect(eThreshold, graf, labelImageBorder.Bounds);
}
}
if (listBoxDetectedRect.Items.Count > 0)
{
ScoredRect scoredRect = (ScoredRect)listBoxDetectedRect.SelectedItem;
if (scoredRect != null)
{
labelRectInfo.Text = "Rect #" + listBoxDetectedRect.SelectedIndex + "\r\n" +
scoredRect.ToString() + "\r\n" +
"Score: " + scoredRect.Score;
scoredRect.Render(graf, labelImageBorder.Bounds, true);
labeledImg.Render(graf, scoredRect.Bounds, labelFaceBorder.Bounds);
labeledImg.Render(graf, scoredRect.Bounds, labelFaceBorderBig.Bounds);
}
}
}
_fDetectionDirty = false;
}
}