protected override void DrawCore(GeoCanvas canvas, Collection <SimpleCandidate> labelsInAllLayers)
{
if (String.IsNullOrEmpty(projectPath))
{
return;
}
base.DrawCore(canvas, labelsInAllLayers);
double oneToOneScale = PrinterHelper.GetPointsPerGeographyUnit(canvas.MapUnit);
RectangleShape currentBoundingBox = GetBoundingBox();
string drawingText = projectPath;
if (printerWrapMode == PrinterWrapMode.WrapText)
{
float drawingSize = (float)(Font.Size * oneToOneScale / canvas.CurrentScale);
drawingFont = new GeoFont(Font.FontName, drawingSize, Font.Style);
drawingText = WrapText(canvas, currentBoundingBox, drawingFont, projectPath);
}
else
{
// 1st time draw the layer, change the fontsize to match up the boundingBox
if (lastBoundingBox == null)
{
float drawingSize = font.Size;
if (currentBoundingBox.GetWellKnownText() != new RectangleShape().GetWellKnownText())
{
drawingSize = GetFontSizeByBoundingBox(canvas, Font, drawingText, currentBoundingBox);
}
drawingFont = new GeoFont(font.FontName, drawingSize, font.Style);
drawingSize = (float)(drawingSize / oneToOneScale * canvas.CurrentScale);
Font = new GeoFont(font.FontName, drawingSize, font.Style);
}
else
{
// change the boundingBox, change the fontsize to match up the boundingBox
if ((Math.Round(lastBoundingBox.Width, 8) != Math.Round(currentBoundingBox.Width, 8)) ||
(Math.Round(lastBoundingBox.Height, 8) != Math.Round(currentBoundingBox.Height, 8))) // Change font size when resize
{
float drawingSize = GetFontSizeByBoundingBox(canvas, drawingFont, drawingText, currentBoundingBox);
drawingFont = new GeoFont(font.FontName, drawingSize, font.Style);
drawingSize = (float)(drawingSize / oneToOneScale * canvas.CurrentScale);
Font = new GeoFont(font.FontName, drawingSize, font.Style);
}
else
{
float drawingSize = (float)(Font.Size * oneToOneScale / canvas.CurrentScale);
drawingFont = new GeoFont(font.FontName, drawingSize, font.Style);
}
}
lastBoundingBox = currentBoundingBox;
}
canvas.DrawTextWithWorldCoordinate(drawingText, drawingFont, TextBrush, currentBoundingBox.GetCenterPoint().X, currentBoundingBox.GetCenterPoint().Y, DrawingLevel.LabelLevel);
}