private void setDeviceImage(
Size size,
System.Windows.Forms.ColorDepth colorDepth
)
{
this.size = size;
this.colorDepth = colorDepth;
// Initialise the data:
BITMAPINFOHEADER bmInfoHdr = new BITMAPINFOHEADER(
size, colorDepth);
this.data = new byte[
this.MaskImageIndex(bmInfoHdr) + this.MaskImageSize(bmInfoHdr)];
MemoryStream mw = new MemoryStream(this.data, 0, this.data.Length,
true);
BinaryWriter bw = new BinaryWriter(mw);
bmInfoHdr.Write(bw);
// Write the colour indexes if required:
switch (this.colorDepth)
{
case ColorDepth.Depth4Bit:
write16ColorPalette(bw);
break;
case ColorDepth.Depth8Bit:
write256ColorPalette(bw);
break;
}
bw.Close();
}
/// <summary>
/// Constructs a new icon device image from an array of
/// bytes in the Icon file format
/// </summary>
/// <param name="b">Array of bytes</param>
internal IconDeviceImage(
byte[] b
)
{
// store the bytes:
data = new Byte[b.Length];
for (int i = 0; i < b.Length; i++)
{
data[i] = b[i];
}
// Read the BitmapInfoHeader structure to get the
// size and number of bytes:
BITMAPINFOHEADER bmInfoHeader = new BITMAPINFOHEADER(data);
//Console.WriteLine(bmInfoHeader.ToString());
this.size.Width = bmInfoHeader.biWidth;
this.size.Height = bmInfoHeader.biHeight/2;
switch (bmInfoHeader.biBitCount)
{
case 1:
case 4:
this.colorDepth = ColorDepth.Depth4Bit;
break;
case 8:
this.colorDepth = ColorDepth.Depth8Bit;
break;
case 16:
this.colorDepth = ColorDepth.Depth16Bit;
break;
case 24:
this.colorDepth = ColorDepth.Depth24Bit;
break;
case 32:
this.colorDepth = ColorDepth.Depth32Bit;
break;
}
createIcon();
}
public IconFormat(System.Drawing.Size size, System.Windows.Forms.ColorDepth colorDepth)
{
_Size = size;
_ColorDepth = colorDepth;
}
