public void Color_CastColorToNetColor()
{
var color = new PixColor(100, 150, 200);
var castColor = (System.Drawing.Color)color;
Assert.That(castColor.R, Is.EqualTo(color.Red));
Assert.That(castColor.G, Is.EqualTo(color.Green));
Assert.That(castColor.B, Is.EqualTo(color.Blue));
Assert.That(castColor.A, Is.EqualTo(color.Alpha));
}
private static unsafe void TransferData32(PixData pixData, BitmapData imgData, int alphaMask)
{
var imgFormat = imgData.PixelFormat;
var height = imgData.Height;
var width = imgData.Width;
for (int y = 0; y < height; y++)
{
byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
uint *pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);
for (int x = 0; x < width; x++)
{
var pixVal = PixColor.FromRgba(pixLine[x]);
byte *pixelPtr = imgLine + (x << 2);
pixelPtr[0] = pixVal.Blue;
pixelPtr[1] = pixVal.Green;
pixelPtr[2] = pixVal.Red;
pixelPtr[3] = (byte)(alphaMask | pixVal.Alpha); // Allow user to include alpha or not
}
}
}
private void CopyColormap(Bitmap img, Pix pix)
{
var imgPalette = img.Palette;
var imgPaletteEntries = imgPalette.Entries;
var pixColormap = PixColormap.Create(pix.Depth);
try
{
for (int i = 0; i < imgPaletteEntries.Length; i++)
{
PixColor c = new PixColor(imgPaletteEntries[i].R, imgPaletteEntries[i].G, imgPaletteEntries[i].B);
if (!pixColormap.AddColor(c))
{
throw new InvalidOperationException(String.Format("Failed to add colormap entry {0}.", i));
}
}
pix.Colormap = pixColormap;
}
catch (Exception)
{
pixColormap.Dispose();
throw;
}
}
public bool IsUsableColor(PixColor color)
{
int usable;
if (Interop.LeptonicaApi.pixcmapUsableColor(handle, color.Red, color.Green, color.Blue, out usable) == 0) {
return usable == 1;
} else {
throw new InvalidOperationException("Failed to detect if color was usable or not.");
}
}
public bool AddNewColor(PixColor color, out int index)
{
return Interop.LeptonicaApi.pixcmapAddNewColor(handle, color.Red, color.Green, color.Blue, out index) == 0;
}
public bool AddColor(PixColor color)
{
return Interop.LeptonicaApi.pixcmapAddColor(handle, color.Red, color.Green, color.Blue) == 0;
}
public static SD.Color ToDrawingColor(this PixColor color)
{
return(System.Drawing.Color.FromArgb(color.Alpha, color.Red, color.Green, color.Blue));
}
