public PixelWrapper(Ipixel _data, double _xScale, double _yScale)
{
Graphic = InitializeRectangle(_yScale, _xScale);
Graphic.Tag = _data.Tag;
Graphic.ToolTip = _data.Description;
}
private void AddPixel(double x, double y, double xScale, double yScale, ref Canvas _renderedImage, Ipixel _data, int _maxR, int _maxG, int _maxB)
{
PixelWrapper xrfPix = new PixelWrapper(_data, xScale, yScale);
Canvas.SetTop(xrfPix.Graphic, y);
Canvas.SetLeft(xrfPix.Graphic, x);
xrfPix.Graphic.Fill = new SolidColorBrush(_generateColorAction(_data.Temperature, _maxR, _maxG, _maxB));
xrfPix.Graphic.MouseEnter += Graphic_MouseEnter;
xrfPix.Graphic.MouseLeftButtonDown += Graphic_MouseLeftButtonDown;
xrfPix.Graphic.MouseRightButtonDown += Graphic_MouseRightButtonDown;
_renderedImage.Children.Add(xrfPix.Graphic);
}
private Canvas RenderImage(Ipixel[][] imageGrid, double imageSize, int maxR, int maxG, int maxB)
{
if(_effectiveImage == null)
_effectiveImage = new Canvas();
int imageRows = imageGrid.Length;
int imageColumns = imageGrid[0].Length;
double pixelScaleX, pixelScaleY;
if (RenderToScale)
{
int scaleDivisor = (imageRows > imageColumns) ? imageRows : imageColumns;
pixelScaleY = pixelScaleX = imageSize / scaleDivisor;
_effectiveImage.Height = (imageRows < imageColumns) ? (imageSize * imageRows / imageColumns) : imageSize;
_effectiveImage.Width = (imageRows < imageColumns) ? imageSize : (imageSize * imageColumns / imageRows);
}
else
{
pixelScaleY = imageSize / imageRows;
pixelScaleX = imageSize / imageColumns;
_effectiveImage.Height = _effectiveImage.Width = imageSize;
}
for (int i = 0; i < imageRows; i++)
{
for (int j = 0; j < imageColumns; j++)
{
AddPixel(j * pixelScaleX, i * pixelScaleY, pixelScaleX, pixelScaleY, ref _effectiveImage, imageGrid[i][j], maxR, maxG, maxB);
}
}
return _effectiveImage;
}
/// <summary>
/// Refreshes the graph using data from a single-layer image.
/// </summary>
/// <param name="imageGrid">An array containing image data.</param>
public void RefreshImage(Ipixel[][] imageGrid)
{
if (RenderedImage != null)
Clear();
if (imageGrid != null)
{
RenderedImage = RenderImage(imageGrid, _imageSize, _maxChannelValue, _maxChannelValue, _maxChannelValue);
_imageBuffer = imageGrid;
}
}
