TImageEnProc.CropTransparentBorder

Declaration

procedure CropTransparentBorder;

Description

Removes any transparent area on the edge of the image, resizing the resulting image to the visible rectangle.

Example

// Add text to a layer and then remove the transparent area around the text

// add a new layer
ImageEnView1.LayersAdd;

// White fill the new layer
ImageEnView1.Proc.Fill(CreateRGB(255, 255, 255));

// Output our text
ImageEnView1.Proc.TextOut(Align_Text_Horz_Center, Align_Text_Near_Bottom, ExtractFileName(ImageEnView1.IO.Params.Filename), 'Arial', 32, clRed, [fsBold]);

// Make the white background transparent
ImageEnView1.Proc.SetTransparentColors(CreateRGB(255, 255, 255), CreateRGB(255, 255, 255), 0); // remove the white, making it as transparent

// Crop to the text size
ImageEnView1.Proc.CropTransparentBorder;

See Also

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