private void fileNew_Click(object sender, EventArgs e)
{
if(changed) {
// If changed since last save ask to save changes
DialogResult result = MessageBox.Show(this,
"Do you want to save changes before opening a new file?",
"Save Changes",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question);
// Handle response
switch(result) {
case DialogResult.Yes:
// Try saving
fileSave_Click(sender, e);
// If not saved, cancel open
if(changed) return;
break;
case DialogResult.Cancel:
return;
}
}
// Show size dialog and get result
SizeDialog sd = new SizeDialog();
sd.Text = "New Pattern";
DialogResult result2 = sd.ShowDialog(this);
if(result2 == DialogResult.OK) {
// Create image for new pattern
Bitmap bmp = new Bitmap(sd.Width, sd.Height);
for(int y = 0; y < bmp.Height; y++) {
for(int x = 0; x < bmp.Width; x++) {
bmp.SetPixel(x, y, Color.White);
}
}
// Set filename and changed flag
filename = null;
changed = false;
// Set pattern image, refresh control and set form title
pattern.Image = bmp;
pattern.Refresh();
SetTitle();
}
}
private void patternSize_Click(object sender, EventArgs e)
{
// Show size dialog and get result
SizeDialog sd = new SizeDialog();
sd.Width = pattern.PatternWidth;
sd.Height = pattern.PatternHeight;
sd.Text = "Pattern Size";
DialogResult result = sd.ShowDialog(this);
if(result == DialogResult.OK) {
// If result is OK, change pattern size
pattern.PatternWidth = sd.Width;
pattern.PatternHeight = sd.Height;
// Update title
SetTitle();
// Redraw control
pattern.Refresh();
}
}
private void patternCellSize_Click(object sender, EventArgs e)
{
// Create and show size dialog
SizeDialog sd = new SizeDialog();
sd.Width = pattern.CellWidth;
sd.Height = pattern.CellHeight;
sd.Text = "Cell Size";
DialogResult result = sd.ShowDialog(this);
if(result == DialogResult.OK) {
// If result is OK, change cell size
pattern.CellWidth = sd.Width;
pattern.CellHeight = sd.Height;
// Redraw control
pattern.Refresh();
}
}
