private void ButtonSave_Click(object sender, RoutedEventArgs e)
{
if (checkValidity(out float size) && savePicture(size))
{
Close();
}
bool checkValidity(out float size)
{
if (!float.TryParse(_textBoxSize.Text, out size))
{
MessageBox.Show("Please check your input. The input is invalid.", "Info");
size = default;
return(!(e.Handled = true));
}
return(true);
}
bool savePicture(float size)
{
var saveFileDialog = new SaveFileDialog
{
AddExtension = true,
DefaultExt = "png",
Filter = "PNG files|*.png|JPG files|*.jpg|BMP files|*.bmp|GIF files|*.gif|WMF files|*.wmf",
Title = "Save picture..."
};
if (!(saveFileDialog.ShowDialog() is true))
{
return(!(e.Handled = true));
}
var pc = new PointConverter(size, size);
var layerCollection = new LayerCollection
{
new BackLayer(pc, _settings.BackgroundColor),
new GridLineLayer(
pc, _settings.GridLineWidth, _settings.GridLineColor),
new BlockLineLayer(
pc, _settings.BlockLineWidth, _settings.BlockLineColor),
new ValueLayer(
pc, _settings.ValueScale, _settings.CandidateScale,
_settings.GivenColor, _settings.ModifiableColor, _settings.CandidateColor,
_settings.GivenFontName, _settings.ModifiableFontName,
_settings.CandidateFontName, _grid, _settings.ShowCandidates),
};
if (_oldCollection[typeof(CustomViewLayer)] is CustomViewLayer customViewLayer)
{
layerCollection.Add(new CustomViewLayer(pc, customViewLayer));
}
if (_oldCollection[typeof(ViewLayer)] is ViewLayer viewLayer)
{
layerCollection.Add(new ViewLayer(pc, viewLayer));
}
Bitmap?bitmap = null;
try
{
bitmap = new Bitmap((int)size, (int)size);
int selectedIndex = saveFileDialog.FilterIndex;
string fileName = saveFileDialog.FileName;
if (selectedIndex >= -1 && selectedIndex <= 3)
{
// Normal picture formats.
layerCollection.IntegrateTo(bitmap);
var encoderParameters = new EncoderParameters(1);
encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality, 100L);
bitmap.Save(
fileName,
GetEncoderInfo(
selectedIndex switch
{
-1 => Png,
0 => Png,
1 => Jpeg,
2 => Bmp,
3 => Gif,
_ => throw Throwings.ImpossibleCase
}) ?? throw new NullReferenceException("The return value is null."),
encoderParameters);
}