// ***************************** GoogleProgress_memory_cleanup event handler
private void GoogleProgress_memory_cleanup(object sender, EventArgs e)
{
if (GoogleProgress_annulus_graphic != null)
{
GoogleProgress_annulus_graphic =
GoogleProgress_annulus_graphic.DeleteGraphicsBuffer();
}
if (GoogleProgress_indicator_graphic != null)
{
GoogleProgress_indicator_graphic =
GoogleProgress_indicator_graphic.DeleteGraphicsBuffer();
}
}
// ********************************* GoogleProgress_create_indicator_graphic
// GoogleProgress_annulus_graphic MUST HAVE BEEN created before this method
// is invoked
private void GoogleProgress_create_indicator_graphic()
{
SolidBrush brush;
Rectangle control_bounding_rectangle;
GraphicsPath indicator_path = new GraphicsPath();
Rectangle indicator_rectangle = new Rectangle();
Region indicator_region;
//Rectangle indicator_rectangle1 = new Rectangle((Width/2) , (Height / 2), 5,5);
//Rectangle indicator_rectangle1 = new Rectangle(OuterRadius - GoogleProgress_annulus_thickness, -(GoogleProgress_annulus_thickness / 2), 10, 10);
if (GoogleProgress_indicator_graphic != null)
{
GoogleProgress_indicator_graphic = GoogleProgress_indicator_graphic.DeleteGraphicsBuffer();
}
GoogleProgress_indicator_graphic = new ZeroitGoogleProgressGraphicsBuffer();
if (GoogleProgress_indicator_graphic.CreateGraphicsBuffer(this.CreateGraphics(), 2 * OuterRadius, 2 * OuterRadius))
{
GoogleProgress_indicator_graphic.g.SmoothingMode = Smoothing;
GoogleProgress_indicator_graphic.g.TextRenderingHint = TextRendering;
control_bounding_rectangle = this.ClientRectangle;
GoogleProgress_indicator_graphic.g.FillRectangle(new SolidBrush(Color.Transparent), control_bounding_rectangle);
// compute region geometry
indicator_rectangle = new Rectangle(
new Point(OuterRadius - GoogleProgress_annulus_thickness,
-(GoogleProgress_annulus_thickness / 2)),
new Size(GoogleProgress_annulus_thickness - 1, GoogleProgress_annulus_thickness - 1));
//indicator_rectangle = new Rectangle(new Point(this.ClientRectangle.Width - OuterRadius, this.ClientRectangle.Height - OuterRadius), new Size(GoogleProgress_annulus_thickness, GoogleProgress_annulus_thickness));
#region Unused Code
//indicator_path.AddEllipse(indicator_rectangle);
//GoogleProgress_indicator_graphic.g.DrawPath(new Pen(Color.White), indicator_path);
//GoogleProgress_indicator_graphic.g.FillPath(new SolidBrush(Color.White),indicator_path);
#endregion
indicator_path.AddEllipse(indicator_rectangle);
#region Unique Rectangle
//GoogleProgress_indicator_graphic.g.FillEllipse(new SolidBrush(Color.Yellow),
// indicator_rectangle1);
//GoogleProgress_indicator_graphic.g.DrawEllipse(new Pen(Color.Yellow),
// indicator_rectangle1);
#endregion
indicator_region = new Region(indicator_path);
//indicator_region = new Region(indicator_rectangle1);
// rotate the indicator
GoogleProgress_indicator_graphic.g.ResetTransform();
GoogleProgress_indicator_graphic.g.RotateTransform(
(float)GoogleProgress_indicator_angle,
MatrixOrder.Append);
GoogleProgress_indicator_graphic.g.TranslateTransform(
(float)OuterRadius,
(float)OuterRadius,
MatrixOrder.Append);
LinearGradientBrush linbrushregion = new LinearGradientBrush(indicator_rectangle, Color1Indicator, Color2Indicator, ColorAngle);
brush = new SolidBrush(GoogleProgress_IndicatorColor);
//GoogleProgress_indicator_graphic.g.FillRegion(brush, indicator_region);
GoogleProgress_indicator_graphic.g.FillRegion(linbrushregion, indicator_region);
brush.Dispose();
indicator_region.Dispose();
indicator_path.Dispose();
}
}
// *********************************** create_annulus_graphic
#endregion
#region Paint Arguments and Methods
private void create_annulus_graphic()
{
#region Fields
LinearGradientBrush brush;
Rectangle control_bounding_rectangle = new Rectangle();
GraphicsPath inner_path;
Rectangle inner_rectangle;
int inner_rectangle_side;
Region inner_region;
Region outer_region;
GraphicsPath outer_path;
int outer_rectangle_side = 2 * OuterRadius;
#region Unused Code
Bitmap bit = new Bitmap(5, 5);
PaintEventArgs e = new PaintEventArgs(Graphics.FromImage(bit), control_bounding_rectangle);
control_bounding_rectangle = new Rectangle(0, 0, Width - 3, Height - 3);
e.Graphics.SmoothingMode = SmoothingMode.HighQuality;
e.Graphics.FillEllipse(new SolidBrush(Color.Green), control_bounding_rectangle);
e.Graphics.DrawEllipse(new Pen(Color.Yellow, 2), control_bounding_rectangle);
//// compute outer geometry
outer_path = new GraphicsPath();
//outer_path.AddEllipse(control_bounding_rectangle);
outer_region = new Region(outer_path);
// compute inner geometry
inner_rectangle_side = 2 * InnerRadius;
inner_rectangle = new Rectangle(
GoogleProgress_annulus_thickness,
GoogleProgress_annulus_thickness,
(2 * InnerRadius) - 2,
(2 * InnerRadius) - 2);
inner_path = new GraphicsPath();
//inner_path.AddEllipse(inner_rectangle);
e.Graphics.FillEllipse(
new SolidBrush(BackColor),
inner_rectangle);
e.Graphics.DrawEllipse(
new Pen(Color.Black, 1),
inner_rectangle);
inner_region = new Region(inner_path);
//// exclude inner from outer
//outer_region.Exclude(inner_region);
//// paint the outer
//brush = create_linear_gradient_brush(
// new Point(OuterRadius, 0),
// new Point(OuterRadius,
// outer_rectangle_side),
// AnnulusColor,
// TransitionColor);
//e.Graphics.FillRegion(brush, outer_region);
//// clean up
//brush.Dispose();
//outer_region.Dispose();
//outer_path.Dispose();
//inner_region.Dispose();
//inner_path.Dispose();
#endregion
#endregion
GoogleProgress_annulus_graphic = new ZeroitGoogleProgressGraphicsBuffer();
if (GoogleProgress_annulus_graphic.CreateGraphicsBuffer(
this.CreateGraphics(),
this.Width,
this.Height))
{
GoogleProgress_annulus_graphic.g.SmoothingMode = Smoothing;
GoogleProgress_annulus_graphic.g.TextRenderingHint = TextRendering;
//control_bounding_rectangle = this.ClientRectangle;
control_bounding_rectangle = new Rectangle(0, 0, Width - 2, Height - 2);
//control_bounding_rectangle.Inflate(1, 1);
GoogleProgress_annulus_graphic.g.FillRectangle(
new SolidBrush(BackColor),
control_bounding_rectangle);
LinearGradientBrush linbrush = new LinearGradientBrush(control_bounding_rectangle, Color1Bigcircle, Color2Bigcircle, ColorAngle);
GoogleProgress_annulus_graphic.g.FillEllipse(
/*new SolidBrush(Color.Red)*/ linbrush,
control_bounding_rectangle);
GoogleProgress_annulus_graphic.g.DrawEllipse(
new Pen(Color.Transparent, 1),
control_bounding_rectangle);
//control_bounding_rectangle.Inflate(-10, -10);
//// compute outer geometry
outer_path = new GraphicsPath();
//outer_path.AddEllipse(control_bounding_rectangle);
outer_region = new Region(outer_path);
// compute inner geometry
inner_rectangle_side = 2 * InnerRadius;
inner_rectangle = new Rectangle(
GoogleProgress_annulus_thickness,
GoogleProgress_annulus_thickness,
(2 * InnerRadius) - 2,
(2 * InnerRadius) - 2);
inner_path = new GraphicsPath();
//inner_path.AddEllipse(inner_rectangle);
GoogleProgress_annulus_graphic.g.FillEllipse(
new SolidBrush(BackColor),
inner_rectangle);
GoogleProgress_annulus_graphic.g.DrawEllipse(
new Pen(ColorInnerBorder, InnerBorder),
inner_rectangle);
inner_region = new Region(inner_path);
// exclude inner from outer
outer_region.Exclude(inner_region);
// paint the outer
brush = create_linear_gradient_brush(
new Point(OuterRadius, 0),
new Point(OuterRadius,
outer_rectangle_side),
AnnulusColor,
TransitionColor);
GoogleProgress_annulus_graphic.g.FillRegion(brush, outer_region);
// clean up
brush.Dispose();
outer_region.Dispose();
outer_path.Dispose();
inner_region.Dispose();
inner_path.Dispose();
}
}
