private void FillBackground(Graphics graphics, int imageWidth, TabStateType tabState)
{
Brush brush = new SolidBrush((tabState == TabStateType.Normal) ? _tabColor : _selectedColor);
graphics.FillRectangle(brush, 0, 0, imageWidth, _tabHeight);
}
private Bitmap CreateTabRightImage(TabStateType tabState)
{
int cornerHeight = 0;
int cornerWidth = 0;
if (_tabType == TabType.LeftLean || _tabType == TabType.Symetrical)
{
cornerHeight = _cornerHeight;
cornerWidth = _cornerWidth;
}
int imageWidth = _tabWidth - (_cornerWidth / 2) - 1;
Bitmap tabRightImage = new Bitmap(imageWidth, _tabHeight, PixelFormat.Format32bppArgb);
Graphics graphics = Graphics.FromImage(tabRightImage);
this.FillBackground(graphics, imageWidth, tabState);
Pen pen = this.GetPen();
if (cornerWidth > 0 && cornerHeight > 0)
{
if (_cornerType == CornerType.Rounded)
this.DrawCornerArc(graphics, pen, CornerSideType.Right);
else
this.DrawCornerLine(graphics, pen, CornerSideType.Right, imageWidth);
}
// draw right image vertical line
Point pointA = new Point();
Point pointB = new Point();
int penWidth = Convert.ToInt32(pen.Width);
pointA.X = imageWidth - (1 + penWidth / 2);
pointA.Y = cornerHeight / 2;
pointB.X = imageWidth - (1 + penWidth / 2);
pointB.Y = _tabHeight;
graphics.DrawLine(pen, pointA, pointB);
// draw right image horizontal line
pointA.X = 0;
pointA.Y = penWidth / 2;
pointB.X = (imageWidth - cornerWidth + (cornerWidth / 2)) - 1;
pointB.Y = penWidth / 2;
graphics.DrawLine(pen, pointA, pointB);
Color currentTabColor = (tabState == TabStateType.Normal) ? _tabColor : _selectedColor;
for (int y = 0; y < cornerHeight / 2; y++)
{
for (int x = imageWidth - 1; x > pointB.X; x--)
{
if (!this.ClearPixel(tabRightImage, currentTabColor, x, y))
break;
}
}
return tabRightImage;
}
