internal protected virtual void OnPaintScrollBarArrow(
PaintScrollBarArrowEventArgs e)
{
Graphics g = e.Graphics;
Rectangle rect = e.ArrowRectangle;
ControlState controlState = e.ControlState;
ArrowDirection direction = e.ArrowDirection;
bool bHorizontal = e.Orientation == Orientation.Horizontal;
bool bEnabled = e.Enabled;
Color backColor = BackNormal;
Color baseColor = Base;
Color borderColor = Border;
Color innerBorderColor = InnerBorder;
Color foreColor = Fore;
bool changeColor = false;
if (bEnabled)
{
switch (controlState)
{
case ControlState.Hover:
baseColor = BackHover;
break;
case ControlState.Pressed:
baseColor = BackPressed;
changeColor = true;
break;
default:
baseColor = Base;
break;
}
}
else
{
backColor = GetGray(backColor);
baseColor = GetGray(Base);
borderColor = GetGray(borderColor);
foreColor = GetGray(foreColor);
}
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
ControlPaintEx.DrawScrollBarArraw(
g,
rect,
baseColor,
backColor,
borderColor,
innerBorderColor,
foreColor,
e.Orientation,
direction,
changeColor);
}
}
internal protected virtual void OnPaintScrollBarTrack(
PaintScrollBarTrackEventArgs e)
{
Graphics g = e.Graphics;
Rectangle rect = e.TrackRectangle;
Color baseColor = GetGray(Base);
ControlPaintEx.DrawScrollBarTrack(
g, rect, baseColor, Color.White, e.Orientation);
}
internal protected virtual void OnPaintScrollBarThumb(
PaintScrollBarThumbEventArgs e)
{
bool bEnabled = e.Enabled;
if (!bEnabled)
{
return;
}
Graphics g = e.Graphics;
Rectangle rect = e.ThumbRectangle;
ControlState controlState = e.ControlState;
Color backColor = BackNormal;
Color baseColor = Base;
Color borderColor = Border;
Color innerBorderColor = InnerBorder;
bool changeColor = false;
switch (controlState)
{
case ControlState.Hover:
baseColor = BackHover;
break;
case ControlState.Pressed:
baseColor = BackPressed;
changeColor = true;
break;
default:
baseColor = Base;
break;
}
using (SmoothingModeGraphics sg = new SmoothingModeGraphics(g))
{
ControlPaintEx.DrawScrollBarThumb(
g,
rect,
baseColor,
backColor,
borderColor,
innerBorderColor,
e.Orientation,
changeColor);
}
}
private void DrawScrollBar(
IntPtr maskHWnd,
Rectangle bounds,
Rectangle trackRect,
Rectangle topLeftArrowRect,
Rectangle bottomRightArrowRect,
Rectangle thumbRect,
ControlState topLeftArrowState,
ControlState bottomRightArrowState,
ControlState thumbState,
Orientation direction)
{
bool bHorizontal = direction == Orientation.Horizontal;
ArrowDirection arrowDirection;
bool bEnabled = _owner.Enabled;
IScrollBarPaint paint = _owner as IScrollBarPaint;
if (paint == null)
{
return;
}
ImageDc tempDc = new ImageDc(bounds.Width, bounds.Height);
IntPtr hdc = NativeMethods.GetDC(maskHWnd);
try
{
using (Graphics g = Graphics.FromHdc(tempDc.Hdc))
{
using (PaintScrollBarTrackEventArgs te =
new PaintScrollBarTrackEventArgs(
g,
trackRect,
direction,
bEnabled))
{
Graphics ge = te.Graphics;
Rectangle rect = te.TrackRectangle;
Color baseColor = GetGray(Color.Blue);
ControlPaintEx.DrawScrollBarTrack(
ge, rect, baseColor, Color.White, te.Orientation);
//paint.OnPaintScrollBarTrack(te);
}
arrowDirection = bHorizontal ?
ArrowDirection.Left : ArrowDirection.Up;
using (PaintScrollBarArrowEventArgs te =
new PaintScrollBarArrowEventArgs(
g,
topLeftArrowRect,
topLeftArrowState,
arrowDirection,
direction,
bEnabled))
{
paint.OnPaintScrollBarArrow(te);
}
arrowDirection = bHorizontal ?
ArrowDirection.Right : ArrowDirection.Down;
using (PaintScrollBarArrowEventArgs te =
new PaintScrollBarArrowEventArgs(
g,
bottomRightArrowRect,
bottomRightArrowState,
arrowDirection,
direction,
bEnabled))
{
paint.OnPaintScrollBarArrow(te);
}
using (PaintScrollBarThumbEventArgs te =
new PaintScrollBarThumbEventArgs(
g,
thumbRect,
thumbState,
direction,
bEnabled))
{
paint.OnPaintScrollBarThumb(te);
}
}
NativeMethods.BitBlt(
hdc,
0,
0,
bounds.Width,
bounds.Height,
tempDc.Hdc,
0,
0,
TernaryRasterOperations.SRCCOPY);
}
finally
{
NativeMethods.ReleaseDC(maskHWnd, hdc);
tempDc.Dispose();
}
}
internal static void RenderBackgroundInternal(
Graphics g,
Rectangle rect,
Color baseColor,
Color borderColor,
Color innerBorderColor,
RoundStyle style,
int roundWidth,
float basePosition,
bool drawBorder,
bool drawGlass,
LinearGradientMode mode)
{
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 != RoundStyle.None)
{
using (GraphicsPath path =
GraphicsPathHelper.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 = GraphicsPathHelper.CreatePath(
rectTop, roundWidth, RoundStyle.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;
}
ControlPaintEx.DrawGlass(g, glassRect, 170, 0);
}
if (drawBorder)
{
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(rect, roundWidth, style, false))
{
using (Pen pen = new Pen(borderColor))
{
g.DrawPath(pen, path);
}
}
rect.Inflate(-1, -1);
using (GraphicsPath path =
GraphicsPathHelper.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;
}
ControlPaintEx.DrawGlass(g, glassRect, 200, 0);
}
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);
}
}
}
}
}
internal static void RenderBackgroundInternal3(
Graphics g,
Rectangle rect,
Color baseColor,
Color borderColor,
Color innerBorderColor,
RoundStyle style,
int roundWidth,
float basePosition,
bool drawBorder,
bool drawGlass,
LinearGradientMode mode)
{
if (drawBorder)
{
rect.Width--;
rect.Height--;
}
if (rect.Width < 1 || rect.Height < 1)
{
return;
}
using (LinearGradientBrush brush = new LinearGradientBrush(
rect, Color.Transparent, Color.Transparent, mode))
{
FillBrush(brush, baseColor, borderColor, basePosition, drawGlass);
if (style != RoundStyle.None)
{
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(rect, roundWidth, style, false))
{
g.FillPath(brush, path);
}
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;
}
ControlPaintEx.DrawGlass(g, glassRect, 170, 0);
if (baseColor.A > 0)
{
Rectangle rectTop = rect;
if (mode == LinearGradientMode.Vertical)
{
rectTop.Height = (int)(rectTop.Height * basePosition);
}
else
{
rectTop.Width = (int)(rect.Width * basePosition);
}
using (GraphicsPath pathTop = GraphicsPathHelper.CreatePath(
rectTop, roundWidth, RoundStyle.Top, false))
{
using (SolidBrush brushAlpha =
new SolidBrush(Color.FromArgb(128, 255, 255, 255)))
{
g.FillPath(brushAlpha, pathTop);
}
}
}
}
if (drawBorder)
{
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(rect, roundWidth, style, false))
{
using (Pen pen = new Pen(borderColor))
{
g.DrawPath(pen, path);
}
}
rect.Inflate(-1, -1);
using (GraphicsPath path =
GraphicsPathHelper.CreatePath(rect, roundWidth, style, false))
{
using (Pen pen = new Pen(innerBorderColor))
{
g.DrawPath(pen, path);
}
}
}
}
else
{
g.FillRectangle(brush, rect);
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;
}
ControlPaintEx.DrawGlass(g, glassRect, 200, 0);
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 (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);
}
}
}
}
}
