void LoadFontAndGatherGlyphInfos(int unitSize, Action <List <GlyphInfo> > endHandler)
{
float scale = Window.BackingScaleFactor;
Task.Factory.StartNew(() => {
try {
Type typGlyphNames = typeof(FontAwesome.GlyphNames);
var memberinfos = typGlyphNames.GetMembers(BindingFlags.Public | BindingFlags.Static | BindingFlags.GetProperty);
var ctFont = new CTFont(FontAwesomeUtil.Font, 20f, CGAffineTransform.MakeIdentity());
var list = memberinfos.Select((m) => {
var fieldInfo = typGlyphNames.GetField(m.Name);
var rawName = (string)fieldInfo.GetValue(typGlyphNames);
var glyphval = ctFont.GetGlyphWithName(rawName);
return(new GlyphInfo {
GlyphName = m.Name
, RawName = rawName
, GlyphImage = FontAwesomeUtil.GetImageForBarItem(rawName, unitSize, scale)
, GlyphId = glyphval
});
}).ToList();
if (endHandler != null)
{
endHandler(list);
}
}
catch (Exception ex) {
Console.WriteLine("Exception: " + ex);
}
});
}
public override void AwakeFromNib()
{
base.AwakeFromNib();
imgvwSmallGlyph.ImageFrameStyle = NSImageFrameStyle.None;
imgvwLargeGlyph.ImageFrameStyle = NSImageFrameStyle.None;
imgvwSmallGlyph.Image = new NSImage(
FontAwesomeUtil.GetImage(GlyphNames.Font, 20, 20, 12, new CGColor(0f, 1f), new CGColor(0f, 0f))
, new SizeF(20f, 20f));
imgvwLargeGlyph.Image = new NSImage(
FontAwesomeUtil.GetImage(GlyphNames.Font, 20, 20, 18, new CGColor(0f, 1f), new CGColor(0f, 0f))
, new SizeF(20f, 20f));
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
actvw.HidesWhenStopped = true;
// Pinch gesture to scale font
var pinchGestureRecognizer = new UIPinchGestureRecognizer((recog) => {
//Console.WriteLine ("recog.State={0}, scale={1}", recog.State, recog.Scale);
if (recog.State == UIGestureRecognizerState.Began)
{
}
else if (recog.State == UIGestureRecognizerState.Changed)
{
int unitSize = (int)Math.Min(maxFontSize, Math.Max(minFontSize, this.unitFontSize * recog.Scale));
ShowProgressionLabel(String.Format("Size = {0}", unitSize));
_tableViewSource.SetHeightForRow(CalculateRowHeightFromUnitFontSize(unitSize));
tblvwGlyphList.ReloadData();
}
else if (recog.State == UIGestureRecognizerState.Recognized)
{
int unitSize = (int)Math.Min(maxFontSize, Math.Max(minFontSize, this.unitFontSize * recog.Scale));
if (unitSize != unitFontSize)
{
this.unitFontSize = unitSize;
UpdateGlyphsWithCurrentFontSize();
}
DismissProgressionLabel();
}
});
tblvwGlyphList.AddGestureRecognizer(pinchGestureRecognizer);
#region Toolbar button to save every image to PNG
var saveButton = new UIBarButtonItem(FontAwesomeUtil.GetUIImageForBarItem(GlyphNames.Save), UIBarButtonItemStyle.Plain
, (s, e) => {
var alert = new UIAlertView();
alert.Title = String.Format("{0}x{0} size of images are going to be generated.", this.unitFontSize);
alert.Message = "Clear any image in document folder before newly generate?";
int nYesButton = alert.AddButton("Clear");
int nNoButton = alert.AddButton("No");
int nCancelButton = alert.AddButton("Cancel");
alert.CancelButtonIndex = nCancelButton;
alert.Clicked += (s2, e2) => {
if (nYesButton == e2.ButtonIndex)
{
DeleteAllPNGsInDocumentFolder();
SaveEveryImageToPNG();
}
else if (nNoButton == e2.ButtonIndex)
{
SaveEveryImageToPNG();
}
};
alert.Show();
});
SetToolbarItems(new UIBarButtonItem[] { saveButton }, false);
#endregion
UpdateGlyphsWithCurrentFontSize();
}
