/// <summary>
/// Fill the palette combobox with the available palette representations.
/// </summary>
public void FillPaletteComboBox()
{
try
{
Palettes palettes = AppContext.Palettes;
PixelFormat pixelFormat = PixelFormats.Indexed8;
int width = (int)cbImageRepresentation.Width - 24;
var height = (int)cbImageRepresentation.Height;
int stride = width * (pixelFormat.BitsPerPixel / 8);
for (int i = 0; i < palettes.Count; i++)
{
// get the palette data
KeyValuePair <string, BitmapPalette> kvp = palettes.GetNamePalettePair(i);
string paletteName = kvp.Key;
var comboItem = new Image();
// the bitmapsource...
// allocate the bitmap's bits
var bits = new byte[height * stride];
// fill the bits with colorinformation
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
bits[x + (y * stride)] = (byte)((x * 256) / width);
}
}
// finally create the BitmapSource object
BitmapSource bitmap = BitmapSource.Create(width, height, 96.0, 96.0, PixelFormats.Indexed8, kvp.Value, bits, stride);
comboItem.Source = bitmap;
comboItem.ToolTip = paletteName;
comboItem.Stretch = Stretch.Fill;
comboItem.VerticalAlignment = VerticalAlignment.Stretch;
comboItem.HorizontalAlignment = HorizontalAlignment.Stretch;
cbImageRepresentation.Items.Add(comboItem);
cbImageRepresentation.Items.Add(paletteName);
}
this.cbImageRepresentation.SelectedIndex = this.paletteIndex;
var currentImage = cbImageRepresentation.Items[cbImageRepresentation.SelectedIndex] as Image;
if (currentImage != null)
{
this.paletteToolTip.Source = currentImage.Source;
this.cbImageRepresentation.ToolTip = this.paletteToolTip;
}
}
catch (Exception e)
{
Util.ReportException(e);
}
}
