/// <summary>
/// Sets CellWidth, CellHeight properties based on the size of the first png icon found at the specified path.
/// </summary>
public void ChooseIconCellSize(string path)
{
if (!Directory.Exists(path))
{
return;
}
CellWidth = 32;
CellHeight = 32;
// let's try to determine real size by first file
try
{
string[] files = Directory.GetFiles(path);
foreach (string filename in files)
{
string ext = Path.GetExtension(filename);
if (ext.EqualsIgnoreCase(".png"))
{
var size = GdiPlusHelper.GetIconSize(filename);
if (size != default(Size))
{
CellWidth = size.Width;
CellHeight = size.Height;
}
}
}
}
catch (Exception ex)
{
MessageService.Current.Info("Failed to load icon: " + ex.Message);
}
}
/// <summary>
/// Changes the texture
/// </summary>
private void SelectionTextureChanged()
{
string filename = textureControl1.SelectedPath;
if (string.IsNullOrWhiteSpace(filename))
{
return;
}
var clrTransparent = GdiPlusHelper.GetTransparentColor(filename);
var img = BitmapSource.Open(filename, true);
{
img.TransparentColorFrom = clrTransparent;
img.TransparentColorTo = clrTransparent;
img.UseTransparentColor = true;
_style.Marker.Icon = img;
DrawPreview();
}
btnApply.Enabled = true;
}
/// <summary>
/// This gets called to instruct the element to draw itself in the appropriate spot of the graphics object
/// </summary>
protected override void Draw(Graphics g, bool printing, bool export, int x, int y)
{
var oldHint = g.TextRenderingHint;
g.TextRenderingHint = _textHint;
using (Brush colorBrush = new SolidBrush(_color))
{
using (var sf = GdiPlusHelper.GetStringFormat(_contentAlignment))
{
var r = new RectangleF {
X = x, Y = y, Width = Rectangle.Width, Height = Rectangle.Height
};
g.DrawString(_text, _font, colorBrush, r, sf);
}
}
g.TextRenderingHint = oldHint;
}
