/// <summary>Initializes a MetaPen object.</summary>
/// <param name="in">the InputMeta object that holds the inputstream of the WMF image</param>
public virtual void Init(InputMeta @in)
{
style = @in.ReadWord();
penWidth = @in.ReadShort();
@in.ReadWord();
color = @in.ReadColor();
}
/// <summary>Initializes the MetaFont instance.</summary>
/// <param name="in">InputMeta containing the WMF data</param>
/// <exception cref="System.IO.IOException"/>
public virtual void Init(InputMeta @in)
{
height = Math.Abs(@in.ReadShort());
@in.Skip(2);
angle = (float)(@in.ReadShort() / 1800.0 * Math.PI);
@in.Skip(2);
bold = (@in.ReadShort() >= BOLDTHRESHOLD ? MARKER_BOLD : 0);
italic = (@in.ReadByte() != 0 ? MARKER_ITALIC : 0);
underline = (@in.ReadByte() != 0);
strikeout = (@in.ReadByte() != 0);
charset = @in.ReadByte();
@in.Skip(3);
pitchAndFamily = @in.ReadByte();
byte[] name = new byte[NAME_SIZE];
int k;
for (k = 0; k < NAME_SIZE; ++k)
{
int c = @in.ReadByte();
if (c == 0)
{
break;
}
name[k] = (byte)c;
}
try {
faceName = iText.IO.Util.JavaUtil.GetStringForBytes(name, 0, k, "Cp1252");
}
catch (ArgumentException) {
faceName = iText.IO.Util.JavaUtil.GetStringForBytes(name, 0, k);
}
faceName = faceName.ToLower(System.Globalization.CultureInfo.InvariantCulture);
}
/// <summary>This method checks if the image is a valid WMF and processes some parameters.</summary>
private void ProcessParameters()
{
Stream @is = null;
try {
String errorID;
if (wmf.GetData() == null)
{
@is = UrlUtil.OpenStream(wmf.GetUrl());
errorID = wmf.GetUrl().ToString();
}
else
{
@is = new MemoryStream(wmf.GetData());
errorID = "Byte array";
}
InputMeta @in = new InputMeta(@is);
if (@in.ReadInt() != unchecked ((int)(0x9AC6CDD7)))
{
throw new PdfException(PdfException._1IsNotAValidPlaceableWindowsMetafile, errorID);
}
@in.ReadWord();
int left = @in.ReadShort();
int top = @in.ReadShort();
int right = @in.ReadShort();
int bottom = @in.ReadShort();
int inch = @in.ReadWord();
wmf.SetDpi(72, 72);
wmf.SetHeight((float)(bottom - top) / inch * 72f);
wmf.SetWidth((float)(right - left) / inch * 72f);
}
catch (System.IO.IOException) {
throw new PdfException(PdfException.WmfImageException);
}
finally {
if (@is != null)
{
try {
@is.Dispose();
}
catch (System.IO.IOException) {
}
}
}
}
/// <summary>Creates a MetaDo instance.</summary>
/// <param name="in">inputstream containing the data</param>
/// <param name="cb">PdfCanvas</param>
public MetaDo(Stream @in, PdfCanvas cb)
{
this.cb = cb;
this.@in = new InputMeta(@in);
}
/// <summary>Initializes this MetaBrush object.</summary>
/// <param name="in">the InputMeta</param>
/// <exception cref="System.IO.IOException"/>
public virtual void Init(InputMeta @in)
{
style = @in.ReadWord();
color = @in.ReadColor();
hatch = @in.ReadWord();
}
