public override void Show(object value)
{
var inputImage = (IplImage)value;
visualizerImage = IplImageHelper.EnsureImageFormat(visualizerImage, inputImage.Size, inputImage.Depth, inputImage.Channels);
CV.Copy(inputImage, visualizerImage);
UpdateStatus();
}
public override void Show(object value)
{
var inputImage = (IplImage)value;
if (Mashups.Count > 0)
{
VisualizerImage = IplImageHelper.EnsureImageFormat(VisualizerImage, inputImage.Size, inputImage.Depth, inputImage.Channels);
CV.Copy(inputImage, VisualizerImage);
}
else
{
VisualizerImage = inputImage;
}
}
public void Update(IplImage image, double min, double max)
{
if (image == null)
{
throw new ArgumentNullException("image");
}
if (image.Depth != IplDepth.U8)
{
//double min, max;
//Point minLoc, maxLoc;
normalizedImage = IplImageHelper.EnsureImageFormat(normalizedImage, image.Size, IplDepth.U8, image.Channels);
//using (var buffer = image.Reshape(1, 0))
//{
// CV.MinMaxLoc(buffer, out min, out max, out minLoc, out maxLoc);
//}
var range = max - min;
var scale = range > 0 ? 255.0 / range : 0;
var shift = range > 0 ? -min : 0;
CV.ConvertScale(image, normalizedImage, scale, shift * scale);
image = normalizedImage;
}
if (!nonPowerOfTwo || image.Width > maxTextureSize || image.Height > maxTextureSize)
{
var textureWidth = Math.Min(maxTextureSize, NearestPowerOfTwo(image.Width));
var textureHeight = Math.Min(maxTextureSize, NearestPowerOfTwo(image.Height));
textureImage = IplImageHelper.EnsureImageFormat(textureImage, new Size(textureWidth, textureHeight), image.Depth, image.Channels);
CV.Resize(image, textureImage, SubPixelInterpolation.Linear);
image = textureImage;
}
OpenTK.Graphics.OpenGL.PixelFormat pixelFormat;
switch (image.Channels)
{
case 1: pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Luminance; break;
case 2: pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rg; break;
case 3: pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Bgr; break;
case 4: pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Bgra; break;
default: throw new ArgumentException("Image has an unsupported number of channels.", "image");
}
GL.BindTexture(TextureTarget.Texture2D, texture);
GL.PixelStore(PixelStoreParameter.UnpackRowLength, image.WidthStep / image.Channels);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, image.Width, image.Height, 0, pixelFormat, PixelType.UnsignedByte, image.ImageData);
}
public override void Show(object value)
{
if (textVisualizer != null)
{
textVisualizer.Show(value);
}
else
{
if (input != null)
{
canvas = IplImageHelper.EnsureColorCopy(canvas, input);
Draw(canvas, value);
base.Show(canvas);
}
}
}
public override void Show(object value)
{
regions = (RegionActivityCollection)value;
if (input != null)
{
canvas = IplImageHelper.EnsureColorCopy(canvas, input);
for (int i = 0; i < regions.Count; i++)
{
var rectangle = regions[i].Rect;
var color = regions[i].Activity.Val0 > 0 ? ActiveRoi : InactiveRoi;
int baseline;
Size labelSize;
var label = i.ToString();
var activity = regions[i].Activity.Val0.ToString("0.##");
CV.GetTextSize(label, font, out labelSize, out baseline);
CV.PutText(canvas, label, new Point(rectangle.X + RoiThickness, rectangle.Y + labelSize.Height + RoiThickness), font, color);
CV.PutText(canvas, activity, new Point(rectangle.X + RoiThickness, rectangle.Y - labelSize.Height - RoiThickness), font, color);
}
base.Show(canvas);
}
}
public override void Show(object value)
{
var image = (IplImage)value;
var visualizerImage = visualizer.VisualizerImage;
if (visualizerImage != null && image != null)
{
// Treat image as mask and overlay it
if (image.Channels == 1)
{
var overlay = image;
// If target is a color image, convert before overlay
if (visualizerImage.Channels == 3)
{
color = IplImageHelper.EnsureImageFormat(color, visualizerImage.Size, visualizerImage.Depth, visualizerImage.Channels);
CV.CvtColor(image, color, ColorConversion.Gray2Bgr);
overlay = color;
}
CV.Copy(overlay, visualizerImage, image);
}
}
}
