protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (this.Bytes == null)
{
return;
}
using (GraphicResources gr = new GraphicResources(e.Graphics))
{
int offset = 0;
float y = TopMargin;
while (offset < this.Bytes.Length)
{
// Start a new line.
float x = LeftMargin;
// Write the offset on the left margin.
string offsetText = offset.ToString("X4");
e.Graphics.DrawString(offsetText, gr.Font, gr.BrushForAddress, x, y);
x += AddressCount * CharWidth;
for (int i = 0; i < BytesPerLine; ++i)
{
if (offset == this.Bytes.Length)
{
break;
}
byte b = this.Bytes[offset];
x += ContentGutter;
string bits = ByteAsBitString(b);
e.Graphics.DrawString(bits, gr.Font, gr.BrushForNonSelection, x, y);
bits = SelectionIntersection(bits, offset);
if (bits != null)
{
e.Graphics.DrawString(bits, gr.Font, gr.BrushForSelection, x, y);
}
x += 8 * CharWidth;
offset++;
}
y += LineHeight;
}
}
}
private void OnBytesChanged()
{
if (this.Bytes == null)
{
return;
}
using (Graphics g = this.CreateGraphics())
using (GraphicResources gr = new GraphicResources(g))
{
SizeF sampleText = g.MeasureString("Wj", gr.Font);
LineHeight = sampleText.Height;
LineCount = (int)Math.Ceiling((float)this.Bytes.Length / BytesPerLine);
this.Height = (int)(LineHeight * LineCount) + TopMargin + BottomMargin;
this.CharWidth = sampleText.Width / 2;
this.Width = (int)(
LeftMargin + AddressCount * CharWidth + ContentGutter +
BytesPerLine * CharWidth * 8 + ContentGutter * BytesPerLine + RightMargin);
}
}
