private void Deserialize(byte[] data, bool ignoreErrors)
{
// Deserialize headers
ByteStream stream = new ByteStream(data);
ICONDIR icondir = new ICONDIR(stream);
ICONDIRENTRY[] icondirentries = new ICONDIRENTRY[icondir.ImageCount];
for (int i = 0; i < icondirentries.Length; i++)
{
icondirentries[i] = new ICONDIRENTRY(icondir.Type, stream);
}
this.Type = icondir.Type;
// Deserialize images
foreach (ICONDIRENTRY icondirentry in icondirentries)
{
try
{
this.Images.Add(new ICOImage(this.Type, icondirentry, data));
} catch (Exception e)
{
if (!ignoreErrors)
{
throw e;
}
}
}
}
public static byte[] FromICO(ICONDIRENTRY icondirentry, byte[] BMPData)
{
byte[] result = new byte[BITMAPFILEHEADER_SIZE + BMPData.Length];
ByteStream stream = new ByteStream(result);
// Header field used to identify the BMP: "BM" in ASCII
stream.Write16(BITMAPFILEHEADER_SIGNATURE);
// The size of the BMP file in bytes
stream.Write32(result.Length);
// Reserved; actual value depends on the application that creates the image
stream.Write16(0);
// Reserved; actual value depends on the application that creates the image
stream.Write16(0);
// The offset of the byte where the bitmap image data (pixel array) can be found
stream.Write32(BITMAPFILEHEADER_SIZE + BITMAPINFOHEADER_SIZE);
// Copy BMPData
Bytes.Replace(result, BMPData, BITMAPFILEHEADER_SIZE);
// Fix BITMAPINFOHEADER height
int bpp = Bytes.FromBytes(result, BITMAPFILEHEADER_SIZE + BITMAPINFOHEADER_BITSPERPIXEL_OFFSET, 2);
int height = Bytes.FromBytes(result, BITMAPFILEHEADER_SIZE + BITMAPINFOHEADER_HEIGHT_OFFSET, 4);
height /= 2;
byte[] heightBytes = Bytes.FromInt(height, 4);
Bytes.Replace(result, heightBytes, BITMAPFILEHEADER_SIZE + BITMAPINFOHEADER_HEIGHT_OFFSET);
if (bpp < 32)
{
// TODO: Strip AND mask inside the bitmap data?
}
return(result);
}
private byte[] SerializeHeaders()
{
ByteStream stream = new ByteStream(ICONDIR.SIZE + (ICONDIRENTRY.SIZE * Images.Count));
stream.Write(ICONDIR.Serialize(this.Type, this.Images.Count));
foreach (ICOImage image in Images)
{
stream.Write(ICONDIRENTRY.Serialize(this.Type, image, this.OffsetOfImage(image)));
}
return(stream.Buffer);
}
internal ICOImage(ICOType type, ICONDIRENTRY icondirentry, byte[] icoData)
{
byte[] imageData = Bytes.Subset(icoData, icondirentry.Image.Offset, icondirentry.Image.Size);
if (BMP.isStrippedBMP(imageData))
{
imageData = BMP.FromICO(icondirentry, imageData);
this.Type = ICOImageType.BMP;
}
else
{
this.Type = ICOImageType.PNG;
}
MemoryStream stream = new MemoryStream(imageData);
this.Image = new Bitmap(System.Drawing.Image.FromStream(stream));
this.HotspotX = icondirentry.Image.HotspotX;
this.HotspotY = icondirentry.Image.HotspotY;
}
