private void FontPreviewSurface_MouseMove(object sender, MouseEventArgs e)
{
var position = GetRelativeMouseLocation(e.Location, FontPreviewSurface);
var needToInvalidate = false;
foreach (var letterBox in m_letters)
{
if (letterBox.Rect.Contains(position))
{
if (!letterBox.IsPreSelected)
{
letterBox.IsPreSelected = true;
needToInvalidate = true;
}
}
else
{
if (letterBox.IsPreSelected)
{
needToInvalidate = true;
}
letterBox.IsPreSelected = false;
}
}
if (needToInvalidate)
{
FontPreviewSurface.Invalidate();
}
}
private void FontPreviewSurface_MouseDown(object sender, MouseEventArgs e)
{
var position = GetRelativeMouseLocation(e.Location, FontPreviewSurface);
var selectedLetterBox = (LetterBox)null;
foreach (var letterBox in m_letters)
{
if (letterBox.Rect.Contains(position))
{
if (!letterBox.IsSelected)
{
letterBox.IsSelected = true;
selectedLetterBox = letterBox;
}
else
{
letterBox.IsSelected = false;
}
}
else
{
letterBox.IsSelected = false;
}
}
m_selectedLetterBox = selectedLetterBox;
FontPreviewSurface.Invalidate();
}
private void LettersTextBox_TextChanged(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(LettersTextBox.Text))
{
m_letters.ForEach(x => x.Letter = string.Empty);
OkButton.Enabled = false;
}
else
{
var letters = LettersTextBox.Text;
var minCount = Math.Min(m_letters.Count, letters.Length);
for (var i = 0; i < minCount; i++)
{
m_letters[i].Letter = letters[i].ToString();
}
if (letters.Length < m_letters.Count)
{
m_letters.Skip(letters.Length).ForEach(x => x.Letter = string.Empty);
}
OkButton.Enabled = true;
}
FontPreviewSurface.Invalidate();
}
private void LoadFontButton_Click(object sender, EventArgs e)
{
string fileName;
using (var op = new OpenFileDialog {
Title = @"Select font file...", Filter = Consts.FontImportFilter
})
{
if (op.ShowDialog() != DialogResult.OK)
{
return;
}
fileName = op.FileName;
}
try
{
var pfc = new PrivateFontCollection();
var fontBytes = File.ReadAllBytes(fileName);
unsafe
{
fixed(byte *pFontData = fontBytes)
{
pfc.AddMemoryFont((IntPtr)pFontData, fontBytes.Length);
}
}
m_externalFontFamily = pfc.Families.First(x => x.IsStyleAvailable(FontStyle.Regular));
m_font = CreateFont();
FontPreviewSurface.Invalidate();
}
catch (Exception ex)
{
InfoBox.Show("An error occured during loading font file.\n" + ex.Message);
}
}
private void InitializeControls()
{
foreach (var font in FontFamily.Families)
{
FontComboBox.Items.Add(font.Name);
}
var tahomaIndex = FontComboBox.Items.IndexOf("Tahoma");
if (tahomaIndex != -1)
{
FontComboBox.SelectedIndex = tahomaIndex;
}
else if (FontComboBox.Items.Count > 0)
{
FontComboBox.SelectedIndex = 0;
}
FontSizeUpDown.ValueChanged += (s, e) =>
{
m_fontSize = (float)FontSizeUpDown.Value;
m_font = CreateFont();
FontPreviewSurface.Invalidate();
};
FontComboBox.TextChanged += (s, e) =>
{
m_fontName = FontComboBox.Text;
m_externalFontFamily = null;
m_font = CreateFont();
FontPreviewSurface.Invalidate();
};
LettersTextBox.TextChanged += LettersTextBox_TextChanged;
LoadFontButton.Click += LoadFontButton_Click;
BoldButton.CheckedChanged += FontStyleButton_Click;
ItalicButton.CheckedChanged += FontStyleButton_Click;
UnderlineButton.CheckedChanged += FontStyleButton_Click;
ShiftUpButton.Click += AdjustFontPosition;
ShiftDownButton.Click += AdjustFontPosition;
ShiftLeftButton.Click += AdjustFontPosition;
ShiftRightButton.Click += AdjustFontPosition;
ZeroNineButton.Click += (s, e) => LettersTextBox.Text = GetLetters('0', '9');
LowerAZButton.Click += (s, e) => LettersTextBox.Text = GetLetters('a', 'z');
UpperAZButton.Click += (s, e) => LettersTextBox.Text = GetLetters('A', 'Z');
OkButton.Click += OkButton_Click;
FontPreviewSurface.Resize += (s, e) => FontPreviewSurface.Invalidate();
FontPreviewSurface.MouseDown += FontPreviewSurface_MouseDown;
FontPreviewSurface.MouseMove += FontPreviewSurface_MouseMove;
FontPreviewSurface.Paint += FontPreviewSurface_Paint;
m_fontName = FontComboBox.Text;
m_fontSize = (float)FontSizeUpDown.Value;
m_font = CreateFont();
}
private void AdjustFontPosition(object sender, EventArgs e)
{
if (m_selectedLetterBox == null)
{
if (sender == ShiftUpButton)
{
m_letters.ForEach(x => x.LetterOffsetY--);
}
if (sender == ShiftDownButton)
{
m_letters.ForEach(x => x.LetterOffsetY++);
}
if (sender == ShiftLeftButton)
{
m_letters.ForEach(x => x.LetterOffsetX--);
}
if (sender == ShiftRightButton)
{
m_letters.ForEach(x => x.LetterOffsetX++);
}
}
else
{
if (sender == ShiftUpButton)
{
m_selectedLetterBox.LetterOffsetY--;
}
if (sender == ShiftDownButton)
{
m_selectedLetterBox.LetterOffsetY++;
}
if (sender == ShiftLeftButton)
{
m_selectedLetterBox.LetterOffsetX--;
}
if (sender == ShiftRightButton)
{
m_selectedLetterBox.LetterOffsetX++;
}
}
FontPreviewSurface.Invalidate();
}
private void FontStyleButton_Click(object sender, EventArgs eventArgs)
{
var newStyle = FontStyle.Regular;
if (BoldButton.Checked)
{
newStyle |= FontStyle.Bold;
}
if (ItalicButton.Checked)
{
newStyle |= FontStyle.Italic;
}
if (UnderlineButton.Checked)
{
newStyle |= FontStyle.Underline;
}
m_fontStyle = newStyle;
m_font = CreateFont();
FontPreviewSurface.Invalidate();
}
