private void drawArrow(IntPtr hdc, Rectangle bounds, bool down)
{
using (Graphics g = Graphics.FromHdc(hdc))
{
using (GraphicsMode mode = new GraphicsMode(g, SmoothingMode.AntiAlias))
{
using (GraphicsPath gp = new GraphicsPath())
{
if (down)
{
// draw the frame
gp.AddLine(new Point(bounds.X, bounds.Top), new Point(bounds.X + 4, bounds.Top));
gp.AddLine(new Point(bounds.X, bounds.Top), new Point(bounds.X + 2, bounds.Top + 2));
gp.AddLine(new Point(bounds.X + 2, bounds.Top + 2), new Point(bounds.X + 4, bounds.Top));
gp.CloseFigure();
}
else
{
gp.AddLine(new Point(bounds.X, bounds.Top + 4), new Point(bounds.X + 4, bounds.Top + 4));
gp.AddLine(new Point(bounds.X, bounds.Top + 4), new Point(bounds.X + 2, bounds.Top + 2));
gp.AddLine(new Point(bounds.X + 4, bounds.Top + 4), new Point(bounds.X + 2, bounds.Top + 2));
gp.CloseFigure();
}
// draw border
using (Pen borderPen = new Pen(Color.FromArgb(240, Color.Black), 0.5f))
g.DrawPath(borderPen, gp);
// fill path
using (Brush backBrush = new SolidBrush(Color.SlateGray))
g.FillPath(backBrush, gp);
}
}
}
}
private void drawBackground(IntPtr hdc)
{
// create the graphics instance
Graphics g = Graphics.FromHdc(hdc);
// copy in the background to mimic transparency
copyBackground(g);
// create the shadow rect
Rectangle shadowArea = new Rectangle(3, TipBounds.Height - 3, TipBounds.Width - 3, TipBounds.Height);
// draw the bottom shadow
using (GraphicsMode mode = new GraphicsMode(g, SmoothingMode.AntiAlias))
{
using (GraphicsPath shadowPath = createRoundRectanglePath(g, 4, TipBounds.Height - 4, TipBounds.Width - 4, TipBounds.Height, 1f))
{
using (LinearGradientBrush shadowBrush = new LinearGradientBrush(shadowArea, Color.FromArgb(100, 0x99, 0x99, 0x99), Color.FromArgb(60, 0x44, 0x44, 0x44), LinearGradientMode.Vertical))
{
Blend blend = new Blend();
blend.Positions = new float[] { 0f, .3f, .6f, 1f };
blend.Factors = new float[] { 0f, .3f, .6f, .9f };
shadowBrush.Blend = blend;
g.FillPath(shadowBrush, shadowPath);
}
}
// draw the right shadow
using (GraphicsPath shadowPath = createRoundRectanglePath(g, TipBounds.Width - 4, 4, TipBounds.Width - 4, TipBounds.Height - 8, 1f))
{
using (LinearGradientBrush shadowBrush = new LinearGradientBrush(shadowArea, Color.FromArgb(100, 0x99, 0x99, 0x99), Color.FromArgb(60, 0x44, 0x44, 0x44), LinearGradientMode.Horizontal))
{
Blend blend = new Blend();
blend.Positions = new float[] { 0f, .3f, .6f, 1f };
blend.Factors = new float[] { 0f, .3f, .6f, .9f };
shadowBrush.Blend = blend;
g.FillPath(shadowBrush, shadowPath);
}
}
// adjust the bounds
Rectangle fillBounds = new Rectangle(0, 0, TipBounds.Width - 4, TipBounds.Height - 4);
using (GraphicsPath fillPath = createRoundRectanglePath(g, fillBounds.X, fillBounds.Y, fillBounds.Width, fillBounds.Height, 2f))
{
using (LinearGradientBrush shadowBrush = new LinearGradientBrush(shadowArea, GradientBegin, GradientEnd, LinearGradientMode.Vertical))
{
// draw the frame
using (Pen fillPen = new Pen(Color.FromArgb(250, 0x44, 0x44, 0x44)))
g.DrawPath(fillPen, fillPath);
// fill the body
Blend blend = new Blend();
blend.Positions = new float[] { 0f, .4f, .6f, 1f };
blend.Factors = new float[] { 0f, .3f, .6f, .8f };
shadowBrush.Blend = blend;
g.FillPath(shadowBrush, fillPath);
}
}
}
g.Dispose();
}
private void drawFocusedButton(IntPtr hdc, Rectangle bounds, LinearGradientMode gradient)
{
using (Graphics g = Graphics.FromHdc(hdc))
{
// draw using anti alias
using (GraphicsMode mode = new GraphicsMode(g, SmoothingMode.AntiAlias))
{
// create the path
using (GraphicsPath buttonPath = createRoundRectanglePath(
g,
bounds.X, bounds.Y,
bounds.Width, bounds.Height,
1.0f))
{
// draw the outer edge
using (Pen borderPen = new Pen(Color.FromArgb(150, Color.SlateGray), 1f))
g.DrawPath(borderPen, buttonPath);
}
bounds.Inflate(-1, -1);
using (GraphicsPath buttonPath = createRoundRectanglePath(
g,
bounds.X, bounds.Y,
bounds.Width, bounds.Height,
1.0f))
{
// draw the inner edge
using (Pen borderPen = new Pen(Color.FromArgb(150, Color.DarkGray), 1.5f))
g.DrawPath(borderPen, buttonPath);
// create a thin gradient cover
using (LinearGradientBrush fillBrush = new LinearGradientBrush(
bounds,
Color.FromArgb(50, Color.White),
Color.FromArgb(50, Color.SlateGray),
gradient))
{
// shift the blend factors
Blend blend = new Blend();
blend.Positions = new float[] { 0f, .3f, .6f, 1f };
blend.Factors = new float[] { 0f, .5f, .8f, .2f };
fillBrush.Blend = blend;
// fill the path
g.FillPath(fillBrush, buttonPath);
}
}
}
}
}
private void createBufferImage()
{
ProgressBar pb = (ProgressBar)Control.FromHandle(_hProgressBarWnd);
Rectangle bounds = pb.ClientRectangle;
Rectangle bdcopy = bounds;
_cBufferDc.Height = pb.Height;
_cBufferDc.Width = pb.Width;
Graphics g = Graphics.FromHdc(_cBufferDc.Hdc);
using (GraphicsMode mode = new GraphicsMode(g, SmoothingMode.AntiAlias))
{
using (GraphicsPath barPath = createRoundRectanglePath(
g,
bounds.X, bounds.Y,
bounds.Width, bounds.Height,
1f))
{
using (SolidBrush backBrush = new SolidBrush(pb.BackColor))
g.FillRectangle(backBrush, bounds);
// draw the frame
using (LinearGradientBrush borderBrush = new LinearGradientBrush(
bounds,
Color.DarkGray,
Color.Silver,
90f))
{
borderBrush.SetSigmaBellShape(0.5f);
using (Pen borderPen = new Pen(borderBrush, .5f))
g.DrawPath(borderPen, barPath);
}
bounds.Width--;
bounds.Height--;
// create a clipping region
RectangleF clipBounds = bounds;
clipBounds.Inflate(-1, -1);
using (GraphicsPath clipPath = createRoundRectanglePath(
g,
clipBounds.X, clipBounds.Y,
clipBounds.Width + 1, clipBounds.Height + 1,
1f))
{
using (Region region = new Region(clipPath))
g.SetClip(region, CombineMode.Exclude);
}
// fill in the edge accent
using (LinearGradientBrush edgeBrush = new LinearGradientBrush(
bounds,
Color.DarkGray,
Color.Black,
90f))
{
edgeBrush.SetBlendTriangularShape(0.5f);
g.FillPath(edgeBrush, barPath);
g.ResetClip();
bounds.Inflate(-1, -1);
}
// fill with a subtle glow
using (LinearGradientBrush fillBrush = new LinearGradientBrush(
bounds,
Color.FromArgb(100, Color.White),
Color.FromArgb(100, Color.Silver),
LinearGradientMode.Vertical))
{
fillBrush.SetBlendTriangularShape(0.4f);
g.FillPath(fillBrush, barPath);
g.ResetClip();
}
}
}
g.Dispose();
}
