/// <summary>
///
/// </summary>
/// <param name="G"></param>
/// <param name="Rect"></param>
/// <param name="BaseColor"></param>
/// <param name="BorderColor"></param>
/// <param name="InnerBorderColor"></param>
/// <param name="Style"></param>
/// <param name="RoundWidth"></param>
/// <param name="DrawBorder"></param>
/// <param name="DrawGlass"></param>
/// <param name="Mode"></param>
internal static void RenderBackgroundInternal(
Graphics G,
Rectangle Rect,
Color BaseColor,
Color BorderColor,
Color InnerBorderColor,
FormRoundStyle Style,
int RoundWidth,
bool DrawBorder,
bool DrawGlass,
LinearGradientMode Mode)
{
RenderBackgroundInternal(
G,
Rect,
BaseColor,
BorderColor,
InnerBorderColor,
Style,
8,
0.45f,
DrawBorder,
DrawGlass,
Mode,
Mode == LinearGradientMode.Vertical ? System.Windows.Forms.Orientation.Horizontal : System.Windows.Forms.Orientation.Vertical);
}
/// <summary>
///
/// </summary>
/// <param name="G"></param>
/// <param name="Rect"></param>
/// <param name="RStyle"></param>
/// <param name="Radius"></param>
private void DrawBorder(
Graphics G, Rectangle Rect, FormRoundStyle RStyle, int Radius)
{
Rect.Width -= 1;
Rect.Height -= 1;
using (GraphicsPath path = FormGraphicsPathHelper.CreatePath(
Rect, Radius, RStyle, false))
{
using (Pen pen = new Pen(ColorTable.BorderColor))
{
G.DrawPath(pen, path);
}
}
Rect.Inflate(-1, -1);
using (GraphicsPath path = FormGraphicsPathHelper.CreatePath(
Rect, Radius, RStyle, false))
{
using (Pen pen = new Pen(ColorTable.InnerBorderColor))
{
G.DrawPath(pen, path);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="G"></param>
/// <param name="Rect"></param>
/// <param name="State"></param>
/// <param name="Active"></param>
/// <param name="MinimizeBox"></param>
/// <param name="MaximizeBox"></param>
private void RenderSkinFormCloseBoxInternal(
Graphics G,
Rectangle Rect,
FormControlBoxState State,
bool Active,
bool MinimizeBox,
bool MaximizeBox)
{
Color baseColor = ColorTable.ControlBoxActiveColor;
if (State == FormControlBoxState.Pressed)
{
baseColor = ColorTable.ControlCloseBoxPressedColor;
}
else if (State == FormControlBoxState.Hover)
{
baseColor = ColorTable.ControlCloseBoxHoverColor;
}
else
{
baseColor = Active ?
ColorTable.ControlBoxActiveColor :
ColorTable.CaptionDeleteActiveColor;
}
FormRoundStyle roundStyle = MinimizeBox || MaximizeBox ?
FormRoundStyle.BottomRight : FormRoundStyle.Bottom;
using (FormAntiAliasGraphics antiGraphics = new FormAntiAliasGraphics(G))
{
FormRenderHelper.RenderBackgroundInternal(
G,
Rect,
baseColor,
baseColor,
ColorTable.ControlBoxInnerBorderColor,
roundStyle,
6,
.38F,
false,
false,
LinearGradientMode.Vertical,
System.Windows.Forms.Orientation.Horizontal);
using (Pen pen = new Pen(ColorTable.BorderColor))
{
G.DrawLine(pen, Rect.X, Rect.Y, Rect.Right, Rect.Y);
}
using (GraphicsPath path = CreateCloseFlagPath(Rect))
{
G.FillPath(Brushes.White, path);
using (Pen pen = new Pen(baseColor))
{
G.DrawPath(pen, path);
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="G"></param>
/// <param name="Rect"></param>
/// <param name="BaseColor"></param>
/// <param name="BorderColor"></param>
/// <param name="InnerBorderColor"></param>
/// <param name="Style"></param>
/// <param name="DrawBorder"></param>
/// <param name="DrawGlass"></param>
/// <param name="Mode"></param>
internal static void RenderBackgroundInternal(
Graphics G,
Rectangle Rect,
Color BaseColor,
Color BorderColor,
Color InnerBorderColor,
FormRoundStyle Style,
bool DrawBorder,
bool DrawGlass,
LinearGradientMode Mode)
{
RenderBackgroundInternal(
G,
Rect,
BaseColor,
BorderColor,
InnerBorderColor,
Style,
8,
DrawBorder,
DrawGlass,
Mode);
}
/// <summary>
///
/// </summary>
/// <param name="G"></param>
/// <param name="Rect"></param>
/// <param name="BaseColor"></param>
/// <param name="BorderColor"></param>
/// <param name="InnerBorderColor"></param>
/// <param name="Style"></param>
/// <param name="RoundWidth"></param>
/// <param name="basePosition"></param>
/// <param name="DrawBorder"></param>
/// <param name="DrawGlass"></param>
/// <param name="Mode"></param>
internal static void RenderBackgroundInternal(
Graphics G,
Rectangle Rect,
Color BaseColor,
Color BorderColor,
Color InnerBorderColor,
FormRoundStyle Style,
int RoundWidth,
float basePosition,
bool DrawBorder,
bool DrawGlass,
LinearGradientMode Mode,
System.Windows.Forms.Orientation Orientation)
{
if (DrawBorder)
{
Rect.Width--; Rect.Height--;
}
using (LinearGradientBrush brush = new LinearGradientBrush(Rect, Color.Transparent, Color.Transparent, Mode))
{
Color[] colors = new Color[4];
colors[0] = GetColor(BaseColor, 0, 35, 24, 9);
colors[1] = GetColor(BaseColor, 0, 13, 8, 3);
colors[2] = BaseColor;
colors[3] = GetColor(BaseColor, 0, 35, 24, 9);
ColorBlend blend = new ColorBlend();
blend.Positions = new float[] { 0.0f, basePosition, basePosition + 0.05f, 1.0f };
blend.Colors = colors;
brush.InterpolationColors = blend;
if (Style != FormRoundStyle.None)
{
using (GraphicsPath path = FormGraphicsPathHelper.CreatePath(Rect, RoundWidth, Style, false))
{
G.FillPath(brush, path);
}
if (BaseColor.A > 80)
{
Rectangle rectTop = Rect;
if (Mode == LinearGradientMode.Vertical)
{
rectTop.Height = (int)(rectTop.Height * basePosition);
}
else
{
rectTop.Width = (int)(Rect.Width * basePosition);
}
using (GraphicsPath pathTop = FormGraphicsPathHelper.CreatePath(rectTop, RoundWidth, FormRoundStyle.Top, false))
{
using (SolidBrush brushAlpha = new SolidBrush(Color.FromArgb(128, 255, 255, 255)))
{
G.FillPath(brushAlpha, pathTop);
}
}
}
if (DrawGlass)
{
RectangleF glassRect = Rect;
if (Mode == LinearGradientMode.Vertical)
{
glassRect.Y = Rect.Y + Rect.Height * basePosition;
glassRect.Height = (Rect.Height - Rect.Height * basePosition) * 2;
}
else
{
glassRect.X = Rect.X + Rect.Width * basePosition;
glassRect.Width = (Rect.Width - Rect.Width * basePosition) * 2;
}
FormControlPaintEx.DrawGlass(G, glassRect, 170, 0, Orientation);
}
if (DrawBorder)
{
using (GraphicsPath path = FormGraphicsPathHelper.CreatePath(Rect, RoundWidth, Style, false))
{
using (Pen pen = new Pen(BorderColor))
{
G.DrawPath(pen, path);
}
}
Rect.Inflate(-1, -1);
using (GraphicsPath path = FormGraphicsPathHelper.CreatePath(Rect, RoundWidth, Style, false))
{
using (Pen pen = new Pen(InnerBorderColor))
{
G.DrawPath(pen, path);
}
}
}
}
else
{
G.FillRectangle(brush, Rect);
if (BaseColor.A > 80)
{
Rectangle rectTop = Rect;
if (Mode == LinearGradientMode.Vertical)
{
rectTop.Height = (int)(rectTop.Height * basePosition);
}
else
{
rectTop.Width = (int)(Rect.Width * basePosition);
}
using (SolidBrush brushAlpha = new SolidBrush(Color.FromArgb(128, 255, 255, 255)))
{
G.FillRectangle(brushAlpha, rectTop);
}
}
if (DrawGlass)
{
RectangleF glassRect = Rect;
if (Mode == LinearGradientMode.Vertical)
{
glassRect.Y = Rect.Y + Rect.Height * basePosition;
glassRect.Height = (Rect.Height - Rect.Height * basePosition) * 2;
}
else
{
glassRect.X = Rect.X + Rect.Width * basePosition;
glassRect.Width = (Rect.Width - Rect.Width * basePosition) * 2;
}
FormControlPaintEx.DrawGlass(G, glassRect, 200, 0, Orientation);
}
if (DrawBorder)
{
using (Pen pen = new Pen(BorderColor))
{
G.DrawRectangle(pen, Rect);
}
Rect.Inflate(-1, -1);
using (Pen pen = new Pen(InnerBorderColor))
{
G.DrawRectangle(pen, Rect);
}
}
}
}
}
/// <summary>
/// 建立帶有圓角樣式的路徑。
/// </summary>
/// <param name="Rect">用來建立路徑的矩形。</param>
/// <param name="Radius">圓角的大小。</param>
/// <param name="Style">圓角的樣式。</param>
/// <param name="CorRection">是否把矩形長寬減 1,以便畫出邊框。</param>
/// <returns>建立的路徑。</returns>
public static GraphicsPath CreatePath(
Rectangle Rect, int Radius, FormRoundStyle Style, bool CorRection)
{
GraphicsPath path = new GraphicsPath();
int RadiusCorRection = CorRection ? 1 : 0;
switch (Style)
{
case FormRoundStyle.None:
path.AddRectangle(Rect);
break;
case FormRoundStyle.All:
path.AddArc(Rect.X, Rect.Y, Radius, Radius, 180, 90);
path.AddArc(
Rect.Right - Radius - RadiusCorRection,
Rect.Y,
Radius,
Radius,
270,
90);
path.AddArc(
Rect.Right - Radius - RadiusCorRection,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius, 0, 90);
path.AddArc(
Rect.X,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius,
90,
90);
break;
case FormRoundStyle.Left:
path.AddArc(Rect.X, Rect.Y, Radius, Radius, 180, 90);
path.AddLine(
Rect.Right - RadiusCorRection, Rect.Y,
Rect.Right - RadiusCorRection, Rect.Bottom - RadiusCorRection);
path.AddArc(
Rect.X,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius,
90,
90);
break;
case FormRoundStyle.Right:
path.AddArc(
Rect.Right - Radius - RadiusCorRection,
Rect.Y,
Radius,
Radius,
270,
90);
path.AddArc(
Rect.Right - Radius - RadiusCorRection,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius,
0,
90);
path.AddLine(Rect.X, Rect.Bottom - RadiusCorRection, Rect.X, Rect.Y);
break;
case FormRoundStyle.Top:
path.AddArc(Rect.X, Rect.Y, Radius, Radius, 180, 90);
path.AddArc(
Rect.Right - Radius - RadiusCorRection,
Rect.Y,
Radius,
Radius,
270,
90);
path.AddLine(
Rect.Right - RadiusCorRection, Rect.Bottom - RadiusCorRection,
Rect.X, Rect.Bottom - RadiusCorRection);
break;
case FormRoundStyle.Bottom:
path.AddArc(
Rect.Right - Radius - RadiusCorRection,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius,
0,
90);
path.AddArc(
Rect.X,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius,
90,
90);
path.AddLine(Rect.X, Rect.Y, Rect.Right - RadiusCorRection, Rect.Y);
break;
case FormRoundStyle.BottomLeft:
path.AddArc(
Rect.X,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius,
90,
90);
path.AddLine(Rect.X, Rect.Y, Rect.Right - RadiusCorRection, Rect.Y);
path.AddLine(
Rect.Right - RadiusCorRection,
Rect.Y,
Rect.Right - RadiusCorRection,
Rect.Bottom - RadiusCorRection);
break;
case FormRoundStyle.BottomRight:
path.AddArc(
Rect.Right - Radius - RadiusCorRection,
Rect.Bottom - Radius - RadiusCorRection,
Radius,
Radius,
0,
90);
path.AddLine(Rect.X, Rect.Bottom - RadiusCorRection, Rect.X, Rect.Y);
path.AddLine(Rect.X, Rect.Y, Rect.Right - RadiusCorRection, Rect.Y);
break;
}
path.CloseFigure();
return(path);
}
