PdfRpt.Core.Helper.GradientBackground.DrawGradientBackground C# (CSharp) 메소드

        public static void DrawGradientBackground(this Rectangle position, PdfContentByte[] canvases, BaseColor startColor, BaseColor endColor)
        {
            if (startColor == null || endColor == null) return;

            var cb = canvases[PdfPTable.BACKGROUNDCANVAS];
            cb.SaveState();

            var shading = PdfShading.SimpleAxial(
                                    cb.PdfWriter,
                                    position.Left, position.Top, position.Left, position.Bottom,
                                    startColor, endColor);
            var shadingPattern = new PdfShadingPattern(shading);

            cb.SetShadingFill(shadingPattern);
            cb.Rectangle(position.Left, position.Bottom, position.Width, position.Height);
            cb.Fill();

            cb.RestoreState();
        }