ImageEn, unit iegdiplus

TIECanvasTextStyling


Declaration

TIECanvasTextStyling = class
  BorderWidth: Integer;
  BorderColor: TColor;
  BorderLineJoin: TIECanvasPenLineJoin;
  FillTransparency1: Integer;
  FillTransparency2: Integer;
  FillColor2: TColor;
  FillGradient: TIEGDIPlusGradient;
end;


Description

Properties for adding borders and custom fills when drawing text.

Border Properties
Property Description Default
BorderWidth Specifies the size of the border. Set to 0 to disable text borders 0
BorderColor The color of the border. Note: The fill with be the Font.Color clBlack
BorderLineJoin Borders are rendered as a series of lines. Specify the method for line joins ieljMiter

Fill Properties
Property Description Default
FillTransparency1 A separate transparency level to use for the fill, e.g. to draw text with borders only and no fill. Set transparency in the range from 0 (fully transparent) to 255 (totally opaque). Note: An alternative is to set the Font.Color to clNone 255
FillTransparency2 If a FillGradient is not gpgNone, then FillColor2 and FillTransparency2 specify the color and transparency of the gradient end point. Set transparency in the range from 0 (fully transparent) to 255 (totally opaque) 255
FillColor2 If a FillGradient is not gpgNone, then FillColor2 and FillTransparency2 specify the color and transparency of the gradient end point. Note: Fill Color 1 is Font.Color clRed
FillGradient The gradient for the fill if FillColor2 is not clNone gpgNone



Note: Width specifies the pixels added to a character in a horizontal or vertical dimension, e.g. a border width of 4, will add a border of approximately 2 pixels


Demo

Demo  Demos\LayerEditing\Layers_TextOut\TextLayers.dpr


Examples

// Yellow text without border
ImageEnView1.IEBitmap.IECanvas.Font.Size  := 54;
ImageEnView1.IEBitmap.IECanvas.Font.Style := [fsBold];
ImageEnView1.IEBitmap.IECanvas.Font.Color := clYellow;
ImageEnView1.IEBitmap.IECanvas.DrawText( 'ImageEn!', 280, 200 );
ImageEnView1.Update();




// Yellow text with red border
ImageEnView1.IEBitmap.IECanvas.Font.Size  := 54;
ImageEnView1.IEBitmap.IECanvas.Font.Style := [fsBold];
ImageEnView1.IEBitmap.IECanvas.Font.Color := clYellow;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderWidth := 3;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderColor := clRed;
ImageEnView1.IEBitmap.IECanvas.DrawText( 'ImageEn!', 280, 200 );
ImageEnView1.Update();




// Semi-transparent white text with red border
ImageEnView1.IEBitmap.IECanvas.Font.Size  := 54;
ImageEnView1.IEBitmap.IECanvas.Font.Style := [fsBold];
ImageEnView1.IEBitmap.IECanvas.Font.Color := clWhite;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderWidth := 3;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderColor := clRed;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillTransparency1 := IEOpacityToAlphaD( 0.3 ); // 30% opaque
ImageEnView1.IEBitmap.IECanvas.DrawText( 'ImageEn!', 280, 200 );
ImageEnView1.Update();




// Transparent text with rounded yellow border
ImageEnView1.IEBitmap.IECanvas.Font.Size  := 54;
ImageEnView1.IEBitmap.IECanvas.Font.Style := [fsBold];
ImageEnView1.IEBitmap.IECanvas.Font.Color := clWhite;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderWidth := 3;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderColor := clYellow;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderLineJoin := ieljRound;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillTransparency1 := 0;  // 100% transparent
ImageEnView1.IEBitmap.IECanvas.DrawText( 'ImageEn!', 280, 200 );
ImageEnView1.Update();




// Gradient text with border
ImageEnView1.IEBitmap.IECanvas.Font.Size  := 54;
ImageEnView1.IEBitmap.IECanvas.Font.Style := [fsBold];
ImageEnView1.IEBitmap.IECanvas.Font.Color := clRed;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderWidth := 3;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderColor := clBlack;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillColor2 := clYellow;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillGradient := gpgVertical;
ImageEnView1.IEBitmap.IECanvas.DrawText( 'ImageEn!', 280, 200 );
ImageEnView1.Update();




// Centered gradient text without border
ImageEnView1.IEBitmap.IECanvas.Font.Size  := 54;
ImageEnView1.IEBitmap.IECanvas.Font.Style := [fsBold];
ImageEnView1.IEBitmap.IECanvas.Font.Color := clRed;
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderWidth := 0;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillColor2 := clWhite;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillGradient := gpgVertCenter;
ImageEnView1.IEBitmap.IECanvas.DrawText( 'ImageEn!', 280, 200 );
ImageEnView1.Update();




// Text with gradient ranging from 0% to 70% opacity
ImageEnView1.IEBitmap.IECanvas.Font.Size  := 54;
ImageEnView1.IEBitmap.IECanvas.Font.Style := [fsBold];
ImageEnView1.IEBitmap.IECanvas.TextStyling.BorderWidth := 0;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillTransparency1 := 0;                        // 100% transparent
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillTransparency2 := IEOpacityToAlphaD( 0.7 ); // 70% opacity
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillGradient := gpgHorizontal;
ImageEnView1.IEBitmap.IECanvas.TextStyling.FillColor2 := clYellow;
ImageEnView1.IEBitmap.IECanvas.DrawText( 'ImageEn!', 280, 200 );
ImageEnView1.Update();




See Also

◼IEDrawGradientToComboListBoxItem