private static void DrawLinearGradientBack(Graphics g,
Rectangle backRect,
LinearItemColors colors)
{
// Reduce rect draw drawing inside the border
backRect.Inflate(-1, -1);
using (LinearGradientBrush backBrush = new LinearGradientBrush(backRect, colors.Fill1, colors.Fill2, 90f))
g.FillRectangle(backBrush, backRect);
}
private void UpdateCache()
{
// Only need to create the cache objects first time around
if (_gradientItem == null)
{
_linearItem = new LinearItemColors(KCT.ButtonSelectedGradientMiddle,
CommonHelper.BlackenColor(KCT.ButtonSelectedGradientMiddle, 0.91f, 0.91f, 0.91f),
CommonHelper.BlackenColor(KCT.ButtonSelectedGradientMiddle, 0.75f, 0.75f, 0.75f));
_gradientItem = new GradientItemColors(KCT.CheckBackground,
KCT.ButtonSelectedGradientBegin,
KCT.ButtonSelectedGradientBegin);
_gradientTracking = new GradientItemColors(KCT.ButtonSelectedBorder,
KCT.ButtonSelectedGradientBegin,
KCT.ButtonSelectedGradientEnd);
_gradientPressed = new GradientItemColors(KCT.ButtonPressedBorder,
KCT.ButtonPressedGradientBegin,
KCT.ButtonPressedGradientEnd);
_gradientChecked = new GradientItemColors(KCT.ButtonPressedBorder,
KCT.ButtonCheckedGradientBegin,
KCT.ButtonCheckedGradientEnd);
_gradientCheckedTracking = new GradientItemColors(KCT.ButtonSelectedBorder,
KCT.ButtonPressedGradientBegin,
KCT.ButtonCheckedGradientEnd);
}
}
private static void DrawLinearGradientItem(Graphics g,
Rectangle backRect,
LinearItemColors colors)
{
// Cannot paint a zero sized area
if ((backRect.Width > 0) && (backRect.Height > 0))
{
// Draw the background of the entire item
DrawLinearGradientBack(g, backRect, colors);
// Draw the border of the entire item
DrawLinearGradientBorder(g, backRect, colors);
}
}
private void DrawLinearContextMenuItem(Graphics g,
ToolStripItem item,
LinearItemColors colors)
{
// Do we need to draw with separator on the opposite edge?
Rectangle backRect = new Rectangle(2, 0, item.Bounds.Width - 3, item.Bounds.Height);
// Perform actual drawing into the background
DrawLinearGradientItem(g, backRect, colors);
}
private static void DrawLinearGradientBorder(Graphics g,
Rectangle backRect,
LinearItemColors colors)
{
// Drawing with anti aliasing to create smoother appearance
using (AntiAlias aa = new AntiAlias(g))
using (Pen borderPen = new Pen(colors.Border))
using (GraphicsPath borderPath = CreateBorderPath(backRect, _cutMenuItemBack))
g.DrawPath(borderPen, borderPath);
}
