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); } } } } }