public static void SaveImage(Stream stream, FreeImageBitmap bitmap)
{
AjpHeader ajpHeaderFromBitmap = bitmap.Tag as AjpHeader;
AjpHeader ajpHeaderFromComment = null;
if (!string.IsNullOrEmpty(bitmap.Comment))
{
ajpHeaderFromComment = new AjpHeader();
if (!ajpHeaderFromComment.ParseComment(bitmap.Comment))
{
ajpHeaderFromComment = null;
}
}
var ms = new MemoryStream();
var ms2 = new MemoryStream();
bitmap.Save(ms, FREE_IMAGE_FORMAT.FIF_JPEG, FREE_IMAGE_SAVE_FLAGS.JPEG_PROGRESSIVE | FREE_IMAGE_SAVE_FLAGS.JPEG_QUALITYGOOD);
using (var alpha = bitmap.GetChannel(FREE_IMAGE_COLOR_CHANNEL.FICC_ALPHA))
{
if (alpha != null)
{
alpha.Comment = "signature = 19792, version = 2, headerSize = 64, colorDepth = 8";
Pms.SaveImage(ms2, alpha);
}
}
AjpHeader ajpHeader = ajpHeaderFromBitmap;
if (ajpHeader == null)
{
ajpHeader = ajpHeaderFromComment;
}
SaveImage(stream, ms.ToArray(), ms2.ToArray(), ajpHeader);
}
public static FreeImageBitmap LoadImage(Stream ajpStream)
{
MemoryStream jpegFile;
MemoryStream pmsFile;
AjpHeader ajpHeader;
LoadImage(ajpStream, out jpegFile, out pmsFile, out ajpHeader);
if (jpegFile == null)
{
return(null);
}
jpegFile.Position = 0;
FreeImageBitmap jpegImage = new FreeImageBitmap(jpegFile, FREE_IMAGE_FORMAT.FIF_JPEG);
jpegImage.Tag = ajpHeader;
jpegImage.Comment = ajpHeader.GetComment();
if (pmsFile != null && pmsFile.Length > 0)
{
pmsFile.Position = 0;
using (var pmsImage = Pms.LoadImage(pmsFile.ToArray()))
{
if (pmsImage == null)
{
return(jpegImage);
}
jpegImage.ConvertColorDepth(FREE_IMAGE_COLOR_DEPTH.FICD_32_BPP);
jpegImage.SetChannel(pmsImage, FREE_IMAGE_COLOR_CHANNEL.FICC_ALPHA);
}
}
return(jpegImage);
}
public static FreeImageBitmap LoadImage(byte[] bytes)
{
var vspHeader = GetHeader(bytes);
if (vspHeader.width > 0 && ((vspHeader.is8Bit == 0) ? vspHeader.width : ((vspHeader.width + 7) / 8)) <= 80 && vspHeader.height > 0 && vspHeader.height <= 480)
{
}
else
{
return(null);
}
if (vspHeader.is8Bit == 1)
{
var pmsHeader = vspHeader.ToPmsHeader();
var imageData = Pms.GetImageData8Bit(pmsHeader, bytes);
FreeImageBitmap bitmap = new FreeImageBitmap(pmsHeader.width, pmsHeader.height, pmsHeader.width, 8, FREE_IMAGE_TYPE.FIT_BITMAP, imageData);
Pms.GetPalette(bitmap.Palette, pmsHeader, bytes);
bitmap.Comment = vspHeader.GetComment();
bitmap.Tag = vspHeader;
return(bitmap);
}
else
{
var imageData = GetImage(vspHeader, bytes);
FreeImageBitmap bitmap = new FreeImageBitmap(vspHeader.width * 8, vspHeader.height, vspHeader.width * 8, 8, FREE_IMAGE_TYPE.FIT_BITMAP, imageData);
GetPalette(bitmap.Palette, bytes, vspHeader);
bitmap.Comment = vspHeader.GetComment();
bitmap.Tag = vspHeader;
return(bitmap);
}
}
public static void SaveImage(Stream stream, FreeImageBitmap bitmap)
{
string comment = bitmap.Comment;
var vspHeader = new VspHeader();
if (!String.IsNullOrEmpty(comment))
{
vspHeader.ParseComment(comment);
}
if (bitmap.ColorDepth != 4 && bitmap.ColorDepth != 8)
{
if (bitmap.ColorDepth > 8)
{
if (bitmap.ColorDepth == 32)
{
bitmap.ConvertColorDepth(FREE_IMAGE_COLOR_DEPTH.FICD_24_BPP);
}
if (vspHeader.is8Bit == 0)
{
bitmap.Quantize(FREE_IMAGE_QUANTIZE.FIQ_WUQUANT, 16);
}
else
{
bitmap.Quantize(FREE_IMAGE_QUANTIZE.FIQ_WUQUANT, 256);
}
}
//throw new ArgumentException("image must be 4-bit or 8-bit");
}
if ((bitmap.Width & 7) != 0)
{
int slackPixels = (bitmap.Width & 7);
int pixelsToAdd = 8 - slackPixels;
bitmap.EnlargeCanvas <RGBQUAD>(0, 0, pixelsToAdd, 0, new RGBQUAD(Color.Black));
}
if (vspHeader.is8Bit == 0)
{
vspHeader.height = bitmap.Height;
vspHeader.width = bitmap.Width / 8;
SaveHeader(vspHeader, stream);
SavePalette(bitmap.Palette, stream);
SaveImageData(stream, bitmap);
}
else
{
vspHeader.height = bitmap.Height;
if (vspHeader.width != bitmap.Width - 1)
{
}
vspHeader.width = bitmap.Width - 1;
SaveHeader(vspHeader, stream);
var pmsHeader = vspHeader.ToPmsHeader();
Pms.SavePalette(stream, bitmap.Palette);
Pms.SaveImageData8Bit(stream, bitmap);
}
}
public static void SaveImage(Stream stream, byte[] jpegFile, FreeImageBitmap alpha, AjpHeader ajpHeader)
{
byte[] pmsFile = null;
if (alpha != null)
{
using (var ms = new MemoryStream()) {
alpha.Comment = "signature = 19792, version = 2, headerSize = 64";
Pms.SaveImage(ms, alpha);
pmsFile = ms.ToArray();
}
}
SaveImage(stream, jpegFile, pmsFile, ajpHeader);
}
public static void LoadImage(Stream ajpStream, out byte[] jpegBytes, out FreeImageBitmap alpha, out AjpHeader ajpHeader)
{
MemoryStream jpegFile;
MemoryStream pmsFile;
LoadImage(ajpStream, out jpegFile, out pmsFile, out ajpHeader);
jpegBytes = jpegFile.ToArray();
jpegFile.Dispose();
alpha = null;
if (pmsFile != null)
{
FreeImageBitmap pmsImage = Pms.LoadImage(pmsFile.ToArray());
pmsFile.Dispose();
alpha = pmsImage;
}
}
