public HexLineTextSource(HexLine hexLine)
{
this.hexLine = hexLine;
}
void InitializeFontProperties()
{
var textRunProps = CreateHexTextRunProperties();
var paraProps = CreateHexTextParagraphProperties(textRunProps);
var hexLine = new HexLine(0, 0, "O", new HexLinePart[1] { new HexLinePart(0, 1, textRunProps) });
var hexLineTextSource = new HexLineTextSource(hexLine);
using (var textLine = textFormatter.FormatLine(hexLineTextSource, 0, 10000, paraProps, null)) {
characterWidth = textLine.Width;
characterHeight = textLine.Height;
}
}
bool CompareBytes(HexLine line)
{
// Assume it's been modified if the array is null. It'll be null if CacheLineBytes
// was false, the HexLine was created, then CacheLineBytes was set to true.
if (line.OriginalBytes == null)
return false;
var doc = Document;
if (doc == null)
return false;
int i = 0;
for (ulong addr = line.StartOffset; addr <= line.EndOffset && i < line.OriginalBytes.Length; addr++, i++) {
int b = doc.ReadByte(addr);
if (line.OriginalBytes[i] != b)
return false;
}
return true;
}
Rect GetCharacterRect(HexLine hexLine, double y, int column)
{
return new Rect(column * characterWidth, y, characterWidth, characterHeight);
}
public HexLineTextSource(HexLine hexLine)
{
this.hexLine = hexLine;
}
