///<inheritdoc/>
public override void Draw(ZplElementBase element, DrawerOptions options)
{
if (element is ZplTextField textField)
{
float x = textField.PositionX;
float y = textField.PositionY;
var font = textField.Font;
float fontSize = font.FontHeight > 0 ? font.FontHeight : font.FontWidth;
var scaleX = 1.0f;
if (font.FontWidth != 0 && font.FontWidth != fontSize)
{
scaleX = (float)font.FontWidth / fontSize;
}
fontSize *= 0.95f;
var typeface = options.FontLoader(font.FontName);
using var skPaint = new SKPaint();
skPaint.Color = SKColors.Black;
skPaint.Typeface = typeface;
skPaint.TextSize = fontSize;
skPaint.TextScaleX = scaleX;
var textBounds = new SKRect();
var textBoundBaseline = new SKRect();
string DisplayText = textField.Text.ReplaceSpecialChars();
skPaint.MeasureText(new string('A', DisplayText.Length), ref textBoundBaseline);
skPaint.MeasureText(DisplayText, ref textBounds);
if (textField.FieldTypeset != null)
{
y -= textBounds.Height;
}
using (new SKAutoCanvasRestore(this._skCanvas))
{
SKMatrix matrix = SKMatrix.Empty;
if (textField.FieldOrigin != null)
{
switch (textField.Font.FieldOrientation)
{
case Label.FieldOrientation.Rotated90:
matrix = SKMatrix.CreateRotationDegrees(90, x, y);
y -= font.FontHeight - textBoundBaseline.Height;
break;
case Label.FieldOrientation.Rotated180:
matrix = SKMatrix.CreateRotationDegrees(180, x, y);
x -= textBounds.Width;
y -= font.FontHeight - textBoundBaseline.Height;
break;
case Label.FieldOrientation.Rotated270:
matrix = SKMatrix.CreateRotationDegrees(270, x, y);
x -= textBounds.Width;
y += textBoundBaseline.Height;
break;
case Label.FieldOrientation.Normal:
y += textBoundBaseline.Height;
break;
}
}
else
{
switch (textField.Font.FieldOrientation)
{
case Label.FieldOrientation.Rotated90:
matrix = SKMatrix.CreateRotationDegrees(90, x, y);
x += textBoundBaseline.Height;
break;
case Label.FieldOrientation.Rotated180:
matrix = SKMatrix.CreateRotationDegrees(180, x, y);
y -= textBoundBaseline.Height;
break;
case Label.FieldOrientation.Rotated270:
matrix = SKMatrix.CreateRotationDegrees(270, x, y);
x -= textBoundBaseline.Height;
break;
case Label.FieldOrientation.Normal:
y += textBoundBaseline.Height;
break;
}
}
if (matrix != SKMatrix.Empty)
{
this._skCanvas.SetMatrix(matrix);
}
this._skCanvas.DrawText(DisplayText, x, y, new SKFont(typeface, fontSize, scaleX, 0), skPaint);
}
}
}
///<inheritdoc/>
public virtual void Draw(ZplElementBase element, DrawerOptions options = null)
{
Draw(element); // Most element just ignore the context
}
