public static Npck[] FromBackgroundImageSharePalette(EmguImage[] images, BackgroundImporter importer)
{
if (!(importer.Quantization is FixedPaletteQuantization)) {
// Concatenate images
EmguImage combinedImg = images[0].Clone();
for (int i = 1; i < images.Length; i++)
combinedImg = combinedImg.ConcateHorizontal(images[i]);
NdsQuantization quantization = new NdsQuantization();
quantization.Quantizate(combinedImg);
importer.Quantization = new FixedPaletteQuantization(quantization.Palette);
combinedImg.Dispose();
}
// Create packs
Npck[] packs = new Npck[images.Length];
for (int i = 0; i < images.Length; i++) {
MemoryStream nclrStr = new MemoryStream();
MemoryStream ncgrStr = new MemoryStream();
MemoryStream nscrStr = new MemoryStream();
importer.ImportBackground(images[i], nscrStr, ncgrStr, nclrStr);
nclrStr.Position = ncgrStr.Position = nscrStr.Position = 0;
// Only first pack file has palette file
if (i == 0)
packs[i] = Npck.FromBackgroundStreams(nscrStr, ncgrStr, nclrStr);
else
packs[i] = Npck.FromBackgroundStreams(nscrStr, ncgrStr, null);
}
return packs;
}
public static Npck[] FromBackgroundImageShareImage(EmguImage[] images, BackgroundImporter importer)
{
Npck[] packs = new Npck[images.Length];
EmguImage combinedImg = images[0].Clone();
// Concatenate images
for (int i = 1; i < images.Length; i++)
combinedImg = combinedImg.ConcateHorizontal(images[i]);
if (!(importer.Quantization is FixedPaletteQuantization)) {
// Get quantization to share palette
NdsQuantization quantization = new NdsQuantization();
quantization.Quantizate(combinedImg);
importer.Quantization = new FixedPaletteQuantization(quantization.Palette);
}
// Get the palette and image file that it's shared
MemoryStream nclrStr = new MemoryStream();
MemoryStream ncgrStr = new MemoryStream();
importer.ImportBackground(combinedImg, null, ncgrStr, nclrStr);
nclrStr.Position = ncgrStr.Position = 0;
// Get the array of pixel from the image file
Ncgr ncgr = new Ncgr(ncgrStr);
Pixel[] fullImage = ncgr.GetPixels();
ncgrStr.Position = 0;
// Create packs
for (int i = 0; i < images.Length; i++) {
MemoryStream nscrStr = new MemoryStream();
importer.ImportBackgroundShareImage(images[i], fullImage, nscrStr);
nscrStr.Position = 0;
// Only first pack file has palette and image files
if (i == 0)
packs[i] = Npck.FromBackgroundStreams(nscrStr, ncgrStr, nclrStr);
else
packs[i] = Npck.FromBackgroundStreams(nscrStr, null, null);
}
combinedImg.Dispose();
return packs;
}