Baka_MPlayer.Controls.ColorSlider.DrawColorSlider C# (CSharp) Method

        private void DrawColorSlider(PaintEventArgs e, Color thumbFirstColorPaint, Color thumbSecondColorPaint,
                                     Color thumbBorderColorPaint, Color barColorPaint, Color elapsedBarColorPaint)
        {
            try
            {
                // set up thumbRect aproprietly
                int trackX = (((trackerValue - barMinimum) * (ClientRectangle.Width - thumbSize.Width)) / (barMaximum - barMinimum));
                thumbRect = new Rectangle(trackX, (ClientRectangle.Height - thumbSize.Height) / 2, thumbSize.Width - 1, thumbSize.Height);

                // get thumb shape path
                GraphicsPath thumbPath;
                if (thumbCustomShape == null)
                {
                    thumbPath = CreateRoundRectPath(thumbRect, thumbRoundRectSize);
                }
                else
                {
                    thumbPath = thumbCustomShape;
                    var m = new Matrix();
                    m.Translate(thumbRect.Left - thumbPath.GetBounds().Left, thumbRect.Top - thumbPath.GetBounds().Top);
                    thumbPath.Transform(m);
                }

                thumbHalfRect = thumbRect;
                thumbHalfRect.Height /= 2;

                // draw bar

                // adjust drawing rects
                barRect = ClientRectangle;
                barRect.Inflate(0, (barHeight - barRect.Height) / 2);

                elapsedRect = barRect;
                elapsedRect.Width = thumbRect.Left + thumbSize.Width / 2;

                using (var barBrush = new SolidBrush(barColorPaint))
                {
                    e.Graphics.FillRectangle(barBrush, barRect);

                    // draw elapsed bar
                    using (var elapsedBrush = new SolidBrush(elapsedBarColorPaint))
                    {
                        if (Capture && drawSemitransparentThumb)
                        {
                            var elapsedReg = new Region(elapsedRect);
                            elapsedReg.Exclude(thumbPath);
                            e.Graphics.FillRegion(elapsedBrush, elapsedReg);
                        }
                        else
                        {
                            e.Graphics.FillRectangle(elapsedBrush, elapsedRect);
                        }
                    }

                    // create tick marks (chapter marks)
                    foreach (var m in marks)
                    {
                        if (m > maxMarkValue)
                            continue;

                        var x = (m * this.ClientRectangle.Width) / maxMarkValue;
                        var r = new Rectangle((int)x, barRect.Y, barRect.Height, barRect.Height);
                        r.Inflate(0, 2);

                        e.Graphics.FillRectangle(barBrush, r);
                    }
                }

                // draw thumb
                Color newthumbFirstColorPaint = thumbFirstColorPaint, newthumbSecondColorPaint = thumbSecondColorPaint;
                if (Capture && drawSemitransparentThumb)
                {
                    newthumbFirstColorPaint = Color.FromArgb(175, thumbFirstColorPaint);
                    newthumbSecondColorPaint = Color.FromArgb(175, thumbSecondColorPaint);
                }
                using (var lgbThumb = new LinearGradientBrush(thumbRect,
                    newthumbFirstColorPaint, newthumbSecondColorPaint, LinearGradientMode.Vertical))
                {
                    e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
                    e.Graphics.FillPath(lgbThumb, thumbPath);
                    // draw thumb border
                    Color newThumbBorderColor = thumbBorderColorPaint;

                    using (var thumbPen = new Pen(newThumbBorderColor))
                    {
                        e.Graphics.DrawPath(thumbPen, thumbPath);
                    }
                }
            }
            catch (Exception err)
            {
                Console.WriteLine("ColorSlider.cs: DrawBackground Error in {0}: {1}", Name, err.Message);
            }
        }