/// <summary>
/// Draws the image.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (_image != null)
{
graphics.DrawImage(_image, AbsolutePosition.X, AbsolutePosition.Y, FinalSize.Width, FinalSize.Height);
}
}
/// <summary>
/// Draws the rectangle.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (Pen != null)
{
graphics.DrawArc(Pen, AbsolutePosition.X, AbsolutePosition.Y, FinalSize.Width - 1.0f, FinalSize.Height - 1.0f, _startAngle, _sweepAngle);
}
}
/// <summary>
/// Draws the image.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (_icon != null)
{
graphics.DrawIcon(_icon, new Rectangle((int)AbsolutePosition.X, (int)AbsolutePosition.Y, (int)FinalSize.Width, (int)FinalSize.Height));
}
}
/// <summary>
/// Draws the rectangle.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (Pen == null)
{
return;
}
graphics.DrawLine(Pen, StartPointForDrawing, EndPointForDrawing);
}
/// <summary>
/// Draws the text.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (String.IsNullOrEmpty(Text) || Brush == null || Font == null)
{
return;
}
graphics.TextContrast = _textContrast;
graphics.TextRenderingHint = _textRenderingHint;
graphics.DrawString(_text, _font, Brush, new RectangleF(AbsolutePosition, _boundSize), _stringFormat);
}
/// <summary>
/// Draws the rectangle.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (Brush != null)
{
graphics.FillRectangle(Brush, AbsolutePosition.X, AbsolutePosition.Y, FinalSize.Width - 1.0f, FinalSize.Height - 1.0f);
}
if (Pen != null)
{
graphics.DrawRectangle(Pen, AbsolutePosition.X, AbsolutePosition.Y, FinalSize.Width - 1.0f, FinalSize.Height - 1.0f);
}
}
/// <summary>
/// Sets a clipping region that is the intersection of this object's clip, the child clip and the viewport.
/// </summary>
/// <param name="graphics">Graphics on which to set the clip.</param>
private void SetClipForChild(Graphics graphics)
{
Region thisClip = graphics.Clip.Clone();
LcdGdiPage.PrepareGraphicsForChild(graphics, Child);
Region childClip = graphics.Clip;
thisClip.Intersect(childClip);
thisClip.Intersect(new RectangleF(AbsolutePosition, Viewport));
graphics.Clip = thisClip;
}
/// <summary>
/// Draws the curve.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
PointF[] points = GetPoints();
if (Pen != null)
{
graphics.DrawBezier(Pen,
AbsolutePosition.X + points[0].X, AbsolutePosition.Y + points[0].Y,
AbsolutePosition.X + points[1].X, AbsolutePosition.Y + points[1].Y,
AbsolutePosition.X + points[2].X, AbsolutePosition.Y + points[2].Y,
AbsolutePosition.X + points[3].X, AbsolutePosition.Y + points[3].Y);
}
}
/// <summary>
/// Draws this object.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (_child != null)
{
SetClipForChild(graphics);
_child.Draw(page, graphics);
if (_autoScrollX || _autoScrollY)
{
HasChanged = true;
}
}
}
/// <summary>
/// Draws the cardinal spline.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
PointF[] points = GetPoints();
for (int i = 0; i < points.Length; ++i) {
PointF point = points[i];
point.X += AbsolutePosition.X;
point.Y += AbsolutePosition.Y;
points[i] = point;
}
if (_isClosed && Brush != null)
graphics.FillClosedCurve(Brush, points, _fillMode, _tension);
if (Pen != null) {
if (_isClosed)
graphics.DrawClosedCurve(Pen, points, _tension, _fillMode);
else
graphics.DrawCurve(Pen, points, _tension);
}
}
/// <summary>
/// Draws the polygon.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
PointF[] points = GetPoints();
for (int i = 0; i < points.Length; ++i)
{
PointF point = points[i];
point.X += AbsolutePosition.X;
point.Y += AbsolutePosition.Y;
points[i] = point;
}
if (Brush != null)
{
graphics.FillPolygon(Brush, points, _fillMode);
}
if (Pen != null)
{
graphics.DrawPolygon(Pen, points);
}
}
/// <summary>
/// Draws the progress bar.
/// </summary>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Draw(LcdGdiPage page, Graphics graphics)
{
if (Brush != null)
{
graphics.FillRectangle(Brush, AbsolutePosition.X, AbsolutePosition.Y, FinalSize.Width - 1.0f, FinalSize.Height - 1.0f);
}
float penWidth;
if (Pen != null)
{
graphics.DrawRectangle(Pen, AbsolutePosition.X, AbsolutePosition.Y, FinalSize.Width - 1.0f, FinalSize.Height - 1.0f);
penWidth = Pen.Width;
}
else
{
penWidth = 0.0f;
}
if (_progressBrush != null)
{
int zeroBasedMaximum = _maximum - _minimum;
int zeroBasedValue = _value - _minimum;
float percent = zeroBasedMaximum == 0 ? 0.0f : zeroBasedValue / (float)zeroBasedMaximum;
if (_isVertical)
{
float indicatorHeight = (FinalSize.Height - penWidth * 2) * percent;
graphics.FillRectangle(_progressBrush, AbsolutePosition.X + penWidth,
AbsolutePosition.Y + FinalSize.Height - penWidth - indicatorHeight,
FinalSize.Width - penWidth * 2, indicatorHeight);
}
else
{
graphics.FillRectangle(_progressBrush, AbsolutePosition.X + penWidth, AbsolutePosition.Y + penWidth,
(FinalSize.Width - penWidth * 2) * percent, FinalSize.Height - penWidth * 2);
}
}
}
/// <summary>
/// Updates the position of the object.
/// </summary>
/// <param name="elapsedTotalTime">Time elapsed since the device creation.</param>
/// <param name="elapsedTimeSinceLastFrame">Time elapsed since last frame update.</param>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Update(TimeSpan elapsedTotalTime, TimeSpan elapsedTimeSinceLastFrame, LcdGdiPage page, Graphics graphics)
{
if (String.IsNullOrEmpty(Text) || Brush == null || Font == null)
{
FinalSize = SizeF.Empty;
}
else
{
graphics.TextContrast = _textContrast;
graphics.TextRenderingHint = _textRenderingHint;
_stringFormat.SetMeasurableCharacterRanges(new[] { new CharacterRange(0, _text.Length) });
_boundSize = Size == SizeF.Empty ? new SizeF(65536.0f, 65536.0f) : Size;
if (HorizontalAlignment == LcdGdiHorizontalAlignment.Stretch)
{
_boundSize.Width = page.Bitmap.Width - Margin.Left - Margin.Right;
}
if (VerticalAlignment == LcdGdiVerticalAlignment.Stretch)
{
_boundSize.Height = page.Bitmap.Height - Margin.Top - Margin.Bottom;
}
Region[] regions = graphics.MeasureCharacterRanges(Text, Font, new RectangleF(PointF.Empty, _boundSize), _stringFormat);
FinalSize = regions[0].GetBounds(graphics).Size;
}
CalcAbsolutePosition(page.Bitmap.Size, 1.0f);
}
/// <summary>
/// Updates the position of the object.
/// </summary>
/// <param name="elapsedTotalTime">Time elapsed since the device creation.</param>
/// <param name="elapsedTimeSinceLastFrame">Time elapsed since last frame update.</param>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Update(TimeSpan elapsedTotalTime, TimeSpan elapsedTimeSinceLastFrame, LcdGdiPage page, Graphics graphics)
{
base.Update(elapsedTotalTime, elapsedTimeSinceLastFrame, page, graphics);
if (_child != null)
{
SetClipForChild(graphics);
_child.Update(elapsedTotalTime, elapsedTimeSinceLastFrame, page, graphics);
_extent = new SizeF(_child.AbsolutePosition + _child.FinalSize);
_maxScrollX = Math.Max(0.0f, _extent.Width - FinalSize.Width + 1.0f);
_maxScrollY = Math.Max(0.0f, _extent.Height - FinalSize.Height + 1.0f);
// Auto-scroll X
if (_autoScrollXWasSet)
{
TimeSpan elapsedAutoScrollXTime = elapsedTotalTime - _autoScrollXStartTime;
if (elapsedAutoScrollXTime <= _autoScrollXFixedStartTime)
{
_currentScrollX = 0.0f;
}
else if (_currentScrollX >= _maxScrollX)
{
if (_autoScrollXEndedTime == TimeSpan.Zero)
{
_autoScrollXEndedTime = elapsedTotalTime;
}
else if (elapsedTotalTime - _autoScrollXEndedTime >= _autoScrollXFixedEndTime)
{
_autoScrollXWasSet = false;
_currentScrollX = 0.0f;
}
}
else
{
_currentScrollX = (float)((elapsedAutoScrollXTime - _autoScrollXFixedStartTime).TotalSeconds * _autoScrollSpeedX);
}
}
else
{
_autoScrollXWasSet = true;
_autoScrollXStartTime = elapsedTotalTime;
_autoScrollXEndedTime = TimeSpan.Zero;
}
// Auto-scroll Y
if (_autoScrollYWasSet)
{
TimeSpan elapsedAutoScrollYTime = elapsedTotalTime - _autoScrollYStartTime;
if (elapsedAutoScrollYTime <= _autoScrollYFixedStartTime)
{
_currentScrollY = 0.0f;
}
else if (_currentScrollY >= _maxScrollY)
{
if (_autoScrollYEndedTime == TimeSpan.Zero)
{
_autoScrollYEndedTime = elapsedTotalTime;
}
else if (elapsedTotalTime - _autoScrollYEndedTime >= _autoScrollYFixedEndTime)
{
_autoScrollYWasSet = false;
_currentScrollY = 0.0f;
}
}
else
{
_currentScrollY = (float)((elapsedAutoScrollYTime - _autoScrollYFixedStartTime).TotalSeconds * _autoScrollSpeedY);
}
}
else
{
_autoScrollYWasSet = true;
_autoScrollYStartTime = elapsedTotalTime;
_autoScrollYEndedTime = TimeSpan.Zero;
}
_currentScrollX = Math.Min(_currentScrollX, _maxScrollX);
_currentScrollY = Math.Min(_currentScrollY, _maxScrollY);
_child.AbsolutePosition = new PointF(
_child.AbsolutePosition.X + AbsolutePosition.X - _currentScrollX,
_child.AbsolutePosition.Y + AbsolutePosition.Y - _currentScrollY);
}
else
{
_extent = SizeF.Empty;
_maxScrollX = 0.0f;
_maxScrollY = 0.0f;
_currentScrollX = 0.0f;
_currentScrollY = 0.0f;
}
}
/// <summary>
/// Updates the position of the object.
/// </summary>
/// <param name="elapsedTotalTime">Time elapsed since the device creation.</param>
/// <param name="elapsedTimeSinceLastFrame">Time elapsed since last frame update.</param>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Update(TimeSpan elapsedTotalTime, TimeSpan elapsedTimeSinceLastFrame, LcdGdiPage page, Graphics graphics)
{
if (Pen == null)
{
base.Update(elapsedTotalTime, elapsedTimeSinceLastFrame, page, graphics);
return;
}
float finalWidth;
if (HorizontalAlignment == LcdGdiHorizontalAlignment.Stretch)
{
finalWidth = page.Bitmap.Width - Margin.Left - Margin.Right;
}
else if (Size.Width == 0)
{
finalWidth = Pen.Width;
}
else
{
finalWidth = Math.Abs(Size.Width);
}
float finalHeight;
if (VerticalAlignment == LcdGdiVerticalAlignment.Stretch)
{
finalHeight = page.Bitmap.Height - Margin.Top - Margin.Bottom;
}
else if (Size.Height == 0)
{
finalHeight = Pen.Width;
}
else
{
finalHeight = Math.Abs(Size.Height);
}
FinalSize = new SizeF(finalWidth, finalHeight);
CalcAbsolutePosition(page.Bitmap.Size);
}
/// <summary> /// Derived classes must override this method in order to draw the GDI object. /// </summary> /// <param name="page">Page where this object will be drawn.</param> /// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param> protected internal abstract void Draw(LcdGdiPage page, Graphics graphics);
/// <summary>
/// Derived classes must override this method in order to calculate the
/// absolute position and final size of the object. This method is called only if
/// <see cref="HasChanged"/> is <c>true</c>.
/// </summary>
/// <param name="elapsedTotalTime">Time elapsed since the device creation.</param>
/// <param name="elapsedTimeSinceLastFrame">Time elapsed since last frame update.</param>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal virtual void Update(TimeSpan elapsedTotalTime, TimeSpan elapsedTimeSinceLastFrame, LcdGdiPage page, Graphics graphics)
{
FinalSize = new SizeF(
HorizontalAlignment != LcdGdiHorizontalAlignment.Stretch ? Size.Width : page.Bitmap.Width - Margin.Left - Margin.Right,
VerticalAlignment != LcdGdiVerticalAlignment.Stretch ? Size.Height : page.Bitmap.Height - Margin.Top - Margin.Bottom);
CalcAbsolutePosition(page.Bitmap.Size);
}
/// <summary>
/// Updates the position of the object.
/// </summary>
/// <param name="elapsedTotalTime">Time elapsed since the device creation.</param>
/// <param name="elapsedTimeSinceLastFrame">Time elapsed since last frame update.</param>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Update(TimeSpan elapsedTotalTime, TimeSpan elapsedTimeSinceLastFrame, LcdGdiPage page, Graphics graphics)
{
base.Update(elapsedTotalTime, elapsedTimeSinceLastFrame, page, graphics);
if (_alignOnPixels)
{
AbsolutePosition = new PointF((float)Math.Truncate(AbsolutePosition.X), (float)Math.Truncate(AbsolutePosition.Y));
}
}
/// <summary>
/// Updates the position of the object.
/// </summary>
/// <param name="elapsedTotalTime">Time elapsed since the device creation.</param>
/// <param name="elapsedTimeSinceLastFrame">Time elapsed since last frame update.</param>
/// <param name="page">Page where this object will be drawn.</param>
/// <param name="graphics"><see cref="Graphics"/> to use for drawing.</param>
protected internal override void Update(TimeSpan elapsedTotalTime, TimeSpan elapsedTimeSinceLastFrame, LcdGdiPage page, Graphics graphics)
{
FinalSize = Size;
if (KeepAbsolute)
{
AbsolutePosition = new PointF();
}
else
{
CalcAbsolutePosition(page.Bitmap.Size);
}
}
