public void ExpandToInclude(RectangleD2D rect)
{
ExpandToInclude(rect.LeftTop);
ExpandToInclude(rect.LeftBottom);
ExpandToInclude(rect.RightTop);
ExpandToInclude(rect.RightBottom);
}
/// <summary>
/// Overrides the logic for determining the size of the dialog window. See remarks for details.
/// </summary>
/// <param name="availableSize"></param>
/// <returns></returns>
/// <remarks>
/// There are two changes from the default behaviour:
/// <para>(i) when the dialog is loaded, the size is adjusted so that it is not bigger than
/// the available working area on the screen. If the initial position of the dialog is chosen so that the right lower corner of the dialog would be outside
/// of the working area, it is adjusted so that it is inside the working area.</para>
/// <para>
/// If during the dialog is showed the size of the content changed, the dialog box size is adjusted so that the lower right corner of the dialog window would
/// always be inside the working area. This does not apply if the user had manually changed the size of the dialog box before.
/// </para>
///
/// </remarks>
protected override Size MeasureOverride(Size availableSize)
{
_workArea = Current.Gui.GetScreenInformation(this.Left, this.Top);
if (!this.IsLoaded) // when the dialog is initially loaded
{
// adjust the size of the dialog box so that is is maximum the size of the working area
if (availableSize.Height > _workArea.Height)
availableSize.Height = _workArea.Height;
if (availableSize.Width > _workArea.Width)
availableSize.Width = _workArea.Width;
}
else if (this.SizeToContent == System.Windows.SizeToContent.WidthAndHeight) // when the content size changed and the user had not manually resized the box
{
// adjust the size of the dialog box so that it fits inside of the working area (without changing the position of the dialog
if (this.Top + availableSize.Height > _workArea.Bottom)
availableSize.Height = _workArea.Bottom - this.Top;
if (this.Left + availableSize.Width > _workArea.Right)
availableSize.Width = _workArea.Right - this.Left;
}
if (availableSize.Height < 0)
availableSize.Height = 0;
if (availableSize.Width < 0)
availableSize.Width = 0;
return base.MeasureOverride(availableSize);
}
public object Deserialize(object o, Altaxo.Serialization.Xml.IXmlDeserializationInfo info, object parent)
{
RectangleD2D s = null != o ? (RectangleD2D)o : new RectangleD2D();
s.X = info.GetDouble("X");
s.Y = info.GetDouble("Y");
s.Width = info.GetDouble("Width");
s.Height = info.GetDouble("Height");
return(s);
}
public static void PaintBackground(this Altaxo.Worksheet.ColumnStyle thiss, DrawingContext dc, RectangleD2D cellRectangle, bool bSelected)
{
var cellRect = cellRectangle.ToWpf();
if (bSelected)
dc.DrawRectangle(thiss.DefaultSelectedBackgroundBrush.ToWpf(), null, cellRect);
else
dc.DrawRectangle(thiss.BackgroundBrush.ToWpf(), null, cellRect);
dc.DrawLine(thiss.CellBorder.ToWpf(), cellRect.BottomLeft, cellRect.BottomRight);
dc.DrawLine(thiss.CellBorder.ToWpf(), cellRect.BottomRight, cellRect.TopRight);
}
/// <summary>
/// Creates a rectangle that includes all the provided points.
/// </summary>
/// <param name="points">The points that the rectangle should include.</param>
/// <returns>The rectangle that includes all the provided points.</returns>
/// <exception cref="System.ArgumentException">Enumeration is empty!</exception>
public static RectangleD2D NewRectangleIncludingAllPoints(IEnumerable <PointD2D> points)
{
var en = points.GetEnumerator();
if (!en.MoveNext())
{
throw new ArgumentException("Enumeration is empty!", nameof(points));
}
var result = new RectangleD2D(en.Current, PointD2D.Empty);
while (en.MoveNext())
{
result.ExpandToInclude(en.Current);
}
return(result);
}
private static void RowHeaderStyle_Paint(Altaxo.Worksheet.RowHeaderStyle thiss, object drawingContext, RectangleD2D cellRect, int nRow, Altaxo.Data.DataColumn data, bool bSelected)
{
var dc = (DrawingContext)drawingContext;
Rect cellRectangle = cellRect.ToWpf();
thiss.PaintBackground(dc, cellRect, bSelected);
string text = "[" + nRow + "]";
var font = WpfFontManager.ToWpf(thiss.TextFont);
var fontSize = (thiss.TextFont.Size * 96) / 72;
var txtBrush = bSelected ? thiss.DefaultSelectedTextBrush.ToWpf() : thiss.TextBrush.ToWpf();
FormattedText t;
t = new FormattedText(text, System.Globalization.CultureInfo.InvariantCulture, FlowDirection.LeftToRight, font, fontSize, txtBrush);
t.MaxTextWidth = cellRectangle.Width;
t.TextAlignment = TextAlignment.Center;
dc.DrawText(t, cellRectangle.Location); // ("[" + nRow + "]", _textFont, _textBrush, cellRectangle, _textFormat);
}
private static void ColumnHeaderStyle_Paint(Altaxo.Worksheet.ColumnHeaderStyle thiss, object drawingContext, RectangleD2D cellRect, int nRow, Altaxo.Data.DataColumn data, bool bSelected)
{
var dc = (DrawingContext)drawingContext;
Rect cellRectangle = cellRect.ToWpf();
thiss.PaintBackground(dc, cellRect, bSelected);
Altaxo.Data.DataColumnCollection dataColCol = (Altaxo.Data.DataColumnCollection)AbsoluteDocumentPath.GetRootNodeImplementing(data, typeof(Altaxo.Data.DataColumnCollection));
string columnnumber = dataColCol.GetColumnNumber(data).ToString();
string kindandgroup = string.Format("({0}{1})", dataColCol.GetColumnKind(data).ToString(), dataColCol.GetColumnGroup(data));
var font = WpfFontManager.ToWpf(thiss.TextFont);
var fontSize = (thiss.TextFont.Size * 96) / 72;
var fontheight = font.FontFamily.LineSpacing * fontSize;
var nameRectangle = cellRectangle;
nameRectangle.Height = Math.Max(fontheight, cellRectangle.Height - fontheight);
var numRectangle = cellRectangle;
numRectangle.Height = fontheight;
numRectangle.Y = Math.Max(cellRectangle.Y + cellRectangle.Height - fontheight, cellRectangle.Y);
var txtBrush = bSelected ? thiss.DefaultSelectedTextBrush.ToWpf() : thiss.TextBrush.ToWpf();
FormattedText t;
t = new FormattedText(columnnumber, System.Globalization.CultureInfo.InvariantCulture, FlowDirection.LeftToRight, font, fontSize, txtBrush);
t.MaxTextWidth = numRectangle.Width;
t.TextAlignment = TextAlignment.Left;
dc.DrawText(t, numRectangle.Location);
t = new FormattedText(kindandgroup, System.Globalization.CultureInfo.InvariantCulture, FlowDirection.LeftToRight, font, fontSize, txtBrush);
t.MaxTextWidth = numRectangle.Width;
t.TextAlignment = TextAlignment.Right;
dc.DrawText(t, numRectangle.Location);
t = new FormattedText(data.Name, System.Globalization.CultureInfo.InvariantCulture, FlowDirection.LeftToRight, font, fontSize, txtBrush);
t.MaxTextWidth = nameRectangle.Width;
t.TextAlignment = TextAlignment.Center;
dc.DrawText(t, nameRectangle.Location);
}
public void Draw(Graphics g, BrushX brush, RectangleD2D innerArea)
{
innerArea.Inflate(_shadowLength / 2, _shadowLength / 2); // Padding
var outerArea = innerArea;
outerArea.Inflate(_shadowLength, _shadowLength);
brush.SetEnvironment(outerArea, BrushX.GetEffectiveMaximumResolution(g, 1));
g.FillRectangle(brush, (RectangleF)outerArea);
SolidBrush twhite = new SolidBrush(Color.FromArgb(128, 255, 255, 255));
RectangleF oA = (RectangleF)outerArea;
RectangleF iA = (RectangleF)innerArea;
g.FillPolygon(twhite, new PointF[] {
new PointF(oA.Left,oA.Top), // upper left point
new PointF(oA.Right,oA.Top), // go to the right
new PointF(iA.Right,iA.Top), // go 45 deg left down in the upper right corner
new PointF(iA.Left,iA.Top), // upper left corner of the inner rectangle
new PointF(iA.Left,iA.Bottom), // lower left corner of the inner rectangle
new PointF(oA.Left,oA.Bottom) // lower left corner
});
SolidBrush tblack = new SolidBrush(Color.FromArgb(128, 0, 0, 0));
g.FillPolygon(tblack, new PointF[] {
new PointF(oA.Right,oA.Bottom),
new PointF(oA.Right,oA.Top),
new PointF(iA.Right,iA.Top),
new PointF(iA.Right,iA.Bottom), // upper left corner of the inner rectangle
new PointF(iA.Left,iA.Bottom), // lower left corner of the inner rectangle
new PointF(oA.Left,oA.Bottom) // lower left corner
});
}
/// <summary>
/// Handles the mouse move event.
/// </summary>
/// <param name="position">Mouse position.</param>
/// <param name="e">MouseEventArgs as provided by the view.</param>
/// <returns>The next mouse state handler that should handle mouse events.</returns>
public override void OnMouseMove(PointD2D position, MouseEventArgs e)
{
base.OnMouseMove(position, e);
if (null != ActiveGrip)
{
PointD2D graphCoord = _grac.ConvertMouseToRootLayerCoordinates(position);
ActiveGrip.MoveGrip(graphCoord);
_wereObjectsMoved = true;
_grac.RenderOverlay();
}
else if (e.LeftButton == MouseButtonState.Pressed)
{
var diffPos = position - _positionLastMouseDownInMouseCoordinates;
var oldRect = _rectangleSelectionArea_GraphCoordinates;
if (null != _rectangleSelectionArea_GraphCoordinates ||
Math.Abs(diffPos.X) >= System.Windows.SystemParameters.MinimumHorizontalDragDistance ||
Math.Abs(diffPos.Y) >= System.Windows.SystemParameters.MinimumHorizontalDragDistance)
{
if (null == _rectangleSelectionArea_GraphCoordinates)
{
_grac.CaptureMouse();
}
var pt1 = _grac.ConvertMouseToRootLayerCoordinates(_positionLastMouseDownInMouseCoordinates);
var rect = new RectangleD2D(pt1, PointD2D.Empty);
rect.ExpandToInclude(_grac.ConvertMouseToRootLayerCoordinates(position));
_rectangleSelectionArea_GraphCoordinates = rect;
}
if (null != _rectangleSelectionArea_GraphCoordinates)
_grac.RenderOverlay();
}
}
public void Draw(System.Drawing.Graphics g, BrushX brush, RectangleD2D innerArea)
{
if (brush != null)
{
brush.SetEnvironment(innerArea, BrushX.GetEffectiveMaximumResolution(g, 1));
g.FillRectangle(brush, (RectangleF)innerArea);
}
}
public void Draw(System.Drawing.Graphics g, RectangleD2D innerArea)
{
Draw(g, _brush, innerArea);
}
/// <summary>
/// Adjusts the position and auto size of this group shape according to the contained elements. Must be called after changing any of the contained elements.
/// </summary>
public void AdjustPosition()
{
RectangleD2D bounds = RectangleD2D.Empty;
bool boundsInitialized = false;
foreach (var e in _groupedObjects)
{
var p1 = new PointD2D(0, 0);
var p2 = new PointD2D(1, 0);
var p3 = new PointD2D(0, 1);
var p4 = new PointD2D(1, 1);
p1 = e.RelativeLocalToAbsoluteParentCoordinates(p1);
p2 = e.RelativeLocalToAbsoluteParentCoordinates(p2);
p3 = e.RelativeLocalToAbsoluteParentCoordinates(p3);
p4 = e.RelativeLocalToAbsoluteParentCoordinates(p4);
if (boundsInitialized)
{
bounds.ExpandToInclude(p1);
}
else
{
bounds = new RectangleD2D(p1.X, p1.Y, 0, 0);
boundsInitialized = true;
}
bounds.ExpandToInclude(p2);
bounds.ExpandToInclude(p3);
bounds.ExpandToInclude(p4);
}
if (bounds != Bounds)
{
// adjust position in this way that bounds.X and bounds.Y get zero
var dx = bounds.X;
var dy = bounds.Y;
foreach (var e in _groupedObjects)
{
e.ShiftPosition(-dx, -dy);
}
this.ShiftPosition(dx, dy);
((ItemLocationDirectAutoSize)_location).SetSizeInAutoSizeMode(bounds.Size, false);
bounds.Location = new PointD2D(0, 0);
UpdateTransformationMatrix();
}
}
public RectangleD2D MeasureItem(System.Drawing.Graphics g, RectangleD2D innerArea)
{
innerArea.Inflate(3.0 * _shadowLength / 2, 3.0 * _shadowLength / 2);
return innerArea;
}
/// <summary>
/// Calculates the dimensions of the greatest (by area) rectangle included in an outer rectangle, where the inner rectangle is rotated/sheared/scaled.
/// </summary>
/// <param name="outerRectangle">The outer rectangle.</param>
/// <param name="sx">SX component of the transformation matrix that is applied to the inner rectangle.</param>
/// <param name="rx">RX component of the transformation matrix that is applied to the inner rectangle.</param>
/// <param name="ry">RY component of the transformation matrix that is applied to the inner rectangle.</param>
/// <param name="sy">SY component of the transformation matrix that is applied to the inner rectangle.</param>
/// <returns>The inner rectangle with the greatest area that fits (when transformed with the transformation elements) into the outer rectangle.
/// The position of the returned rectangle is calculated so that it centers into the outer rectangle.</returns>
/// <exception cref="System.ArgumentOutOfRangeException">
/// X-Size of outer rectangle must be > 0
/// or
/// Y-Size of outer rectangle must be > 0
/// </exception>
public static RectangleD2D GetIncludedTransformedRectangle(this RectangleD2D outerRectangle, double sx, double rx, double ry, double sy)
{
PointD2D outerRectangleSize = outerRectangle.Size;
if (!(outerRectangleSize.X > 0))
throw new ArgumentOutOfRangeException("X-Size of outer rectangle must be > 0");
if (!(outerRectangleSize.Y > 0))
throw new ArgumentOutOfRangeException("Y-Size of outer rectangle must be > 0");
double a = Math.Abs(sx);
double b = Math.Abs(rx);
double c = Math.Abs(ry);
double d = Math.Abs(sy);
double maxArea = 0;
double sizeX = 0, sizeY = 0;
double x, y, area;
{
// solution 1, which touches all walls
double bcMad = b * c - a * d;
if (bcMad != 0)
{
x = (b * outerRectangleSize.Y - d * outerRectangleSize.X) / bcMad;
y = (c * outerRectangleSize.X - a * outerRectangleSize.Y) / bcMad;
area = x * y;
if (maxArea < area)
{
maxArea = area;
sizeX = x;
sizeY = y;
}
}
}
{
// solution2 (which does not touch the left and right walls of the outer retangle
var eps2 = outerRectangleSize.X - outerRectangleSize.Y * (b * c + a * d) / (2 * c * d);
if (eps2 >= 0 && eps2 < outerRectangleSize.X)
{
area = outerRectangleSize.Y * outerRectangleSize.Y / (4 * c * d);
x = outerRectangleSize.Y / (2 * c);
y = outerRectangleSize.Y / (2 * d);
if (maxArea < area)
{
maxArea = area;
sizeX = x;
sizeY = y;
}
}
}
{
// solution3 (which does not touch the top and bottom walls of the outer rectangle
var eps3 = outerRectangleSize.Y - outerRectangleSize.X * (b * c + a * d) / (2 * a * b);
if (eps3 >= 0 && eps3 < outerRectangleSize.Y)
{
area = outerRectangleSize.X * outerRectangleSize.X / (4 * a * b);
x = outerRectangleSize.X / (2 * a);
y = outerRectangleSize.X / (2 * b);
if (maxArea < area)
{
maxArea = area;
sizeX = x;
sizeY = y;
}
}
}
RectangleD2D innerRect = new RectangleD2D();
innerRect.ExpandToInclude(new PointD2D(sx * sizeX + rx * sizeY, ry * sizeX + sy * sizeY));
innerRect.ExpandToInclude(new PointD2D(sx * sizeX, ry * sizeX));
innerRect.ExpandToInclude(new PointD2D(rx * sizeY, sy * sizeY));
var outerMiddle = outerRectangle.CenterCenter;
var innerMiddle = innerRect.CenterCenter;
return new RectangleD2D((outerMiddle.X - innerMiddle.X), (outerMiddle.Y - innerMiddle.Y), sizeX, sizeY);
}
public void Draw(System.Drawing.Graphics g, RectangleD2D innerArea)
{
g.FillRectangle(Brushes.White, (float)innerArea.Left, (float)innerArea.Top, (float)innerArea.Width, (float)innerArea.Height);
}
public override void Paint(System.Type dctype, object dc, RectangleD2D cellRectangle, int nRow, Altaxo.Data.DataColumn data, bool bSelected)
{
Action<DateTimeColumnStyle, object, RectangleD2D, int, Altaxo.Data.DataColumn, bool> action;
if (RegisteredPaintMethods.TryGetValue(dctype, out action))
action(this, dc, cellRectangle, nRow, data, bSelected);
else
throw new NotImplementedException("Paint method is not implemented for context type " + dc.GetType().ToString());
}
public void ExpandToInclude(RectangleD2D rect)
{
ExpandToInclude(rect.LeftTop);
ExpandToInclude(rect.LeftBottom);
ExpandToInclude(rect.RightTop);
ExpandToInclude(rect.RightBottom);
}
/// <summary>
/// Sets the environment for the creation of the pen's brush.
/// </summary>
/// <param name="boundingRectangle">Bounding rectangle used for gradient textures.</param>
/// <param name="maxEffectiveResolution">Maximum effective resolution in Dpi. This information is neccessary for repeatable texture brushes. You can calculate this using <see cref="M:BrushX.GetMaximumEffectiveResolution"/></param>
/// <returns>True if changes to the pen's brush were made. False otherwise.</returns>
public bool SetEnvironment(RectangleD2D boundingRectangle, double maxEffectiveResolution)
{
bool changed = false;
if (_brush != null)
{
changed |= _brush.SetEnvironment(boundingRectangle, maxEffectiveResolution);
}
if (changed && null != _cachedPen)
_cachedPen.Brush = _brush.Brush;
return changed;
}
private static void DateTimeColumnStyle_Paint(Altaxo.Worksheet.DateTimeColumnStyle thiss, object drawingContext, RectangleD2D cellRect, int nRow, Altaxo.Data.DataColumn data, bool bSelected)
{
DateTime t = ((Altaxo.Data.DateTimeColumn)data)[nRow];
string myString = (t.Kind == DateTimeKind.Unspecified || t.Kind == DateTimeKind.Local) ?
t.ToString("yyyy-MM-dd HH:mm:ss.FFFFFFF") :
t.ToString("o");
GeneralText_Paint(thiss, drawingContext, cellRect, myString, TextAlignment.Right, bSelected);
}
private static void TextColumnStyle_Paint(Altaxo.Worksheet.TextColumnStyle thiss, object drawingContext, RectangleD2D cellRect, int nRow, Altaxo.Data.DataColumn data, bool bSelected)
{
string myString = data[nRow].ToString();
GeneralText_Paint(thiss, drawingContext, cellRect, myString, TextAlignment.Right, bSelected);
}
public static void Paint(this Altaxo.Worksheet.ColumnStyle thiss, DrawingContext dc, RectangleD2D cellRectangle, int nRow, Altaxo.Data.DataColumn data, bool bSelected)
{
thiss.Paint(typeof(DrawingContext), dc, cellRectangle, nRow, data, bSelected);
}
private static void GeneralText_Paint(Altaxo.Worksheet.ColumnStyle thiss, object drawingContext, RectangleD2D cellRect, string textToDraw, TextAlignment alignment, bool bSelected)
{
var dc = (DrawingContext)drawingContext;
Rect cellRectangle = cellRect.ToWpf();
thiss.PaintBackground(dc, cellRect, bSelected);
var font = WpfFontManager.ToWpf(thiss.TextFont);
var fontSize = (thiss.TextFont.Size * 96) / 72;
var txtBrush = bSelected ? thiss.DefaultSelectedTextBrush.ToWpf() : thiss.TextBrush.ToWpf();
FormattedText t;
t = new FormattedText(textToDraw, System.Globalization.CultureInfo.InvariantCulture, FlowDirection.LeftToRight, font, fontSize, txtBrush);
t.MaxTextWidth = cellRect.Width;
t.TextAlignment = alignment;
t.Trimming = TextTrimming.CharacterEllipsis;
dc.DrawText(t, cellRectangle.Location);
}
/// <summary>
/// Calculates the dimensions of the greatest (by area) rectangle included in an outer rectangle, where the inner rectangle is rotated/sheared/scaled.
/// </summary>
/// <param name="outerRectangle">The outer rectangle.</param>
/// <param name="sx">SX component of the transformation matrix that is applied to the inner rectangle.</param>
/// <param name="rx">RX component of the transformation matrix that is applied to the inner rectangle.</param>
/// <param name="ry">RY component of the transformation matrix that is applied to the inner rectangle.</param>
/// <param name="sy">SY component of the transformation matrix that is applied to the inner rectangle.</param>
/// <returns>The inner rectangle with the greatest area that fits (when transformed with the transformation elements) into the outer rectangle.
/// The position of the returned rectangle is calculated so that it centers into the outer rectangle.</returns>
/// <exception cref="System.ArgumentOutOfRangeException">
/// X-Size of outer rectangle must be > 0
/// or
/// Y-Size of outer rectangle must be > 0
/// </exception>
public static RectangleD2D GetIncludedTransformedRectangle(this RectangleD2D outerRectangle, double sx, double rx, double ry, double sy)
{
PointD2D outerRectangleSize = outerRectangle.Size;
if (!(outerRectangleSize.X > 0))
{
throw new ArgumentOutOfRangeException("X-Size of outer rectangle must be > 0");
}
if (!(outerRectangleSize.Y > 0))
{
throw new ArgumentOutOfRangeException("Y-Size of outer rectangle must be > 0");
}
double a = Math.Abs(sx);
double b = Math.Abs(rx);
double c = Math.Abs(ry);
double d = Math.Abs(sy);
double maxArea = 0;
double sizeX = 0, sizeY = 0;
double x, y, area;
{
// solution 1, which touches all walls
double bcMad = b * c - a * d;
if (bcMad != 0)
{
x = (b * outerRectangleSize.Y - d * outerRectangleSize.X) / bcMad;
y = (c * outerRectangleSize.X - a * outerRectangleSize.Y) / bcMad;
area = x * y;
if (maxArea < area)
{
maxArea = area;
sizeX = x;
sizeY = y;
}
}
}
{
// solution2 (which does not touch the left and right walls of the outer retangle
var eps2 = outerRectangleSize.X - outerRectangleSize.Y * (b * c + a * d) / (2 * c * d);
if (eps2 >= 0 && eps2 < outerRectangleSize.X)
{
area = outerRectangleSize.Y * outerRectangleSize.Y / (4 * c * d);
x = outerRectangleSize.Y / (2 * c);
y = outerRectangleSize.Y / (2 * d);
if (maxArea < area)
{
maxArea = area;
sizeX = x;
sizeY = y;
}
}
}
{
// solution3 (which does not touch the top and bottom walls of the outer rectangle
var eps3 = outerRectangleSize.Y - outerRectangleSize.X * (b * c + a * d) / (2 * a * b);
if (eps3 >= 0 && eps3 < outerRectangleSize.Y)
{
area = outerRectangleSize.X * outerRectangleSize.X / (4 * a * b);
x = outerRectangleSize.X / (2 * a);
y = outerRectangleSize.X / (2 * b);
if (maxArea < area)
{
maxArea = area;
sizeX = x;
sizeY = y;
}
}
}
var innerRect = new RectangleD2D();
innerRect.ExpandToInclude(new PointD2D(sx * sizeX + rx * sizeY, ry * sizeX + sy * sizeY));
innerRect.ExpandToInclude(new PointD2D(sx * sizeX, ry * sizeX));
innerRect.ExpandToInclude(new PointD2D(rx * sizeY, sy * sizeY));
var outerMiddle = outerRectangle.CenterCenter;
var innerMiddle = innerRect.CenterCenter;
return(new RectangleD2D((outerMiddle.X - innerMiddle.X), (outerMiddle.Y - innerMiddle.Y), sizeX, sizeY));
}
/// <summary>
/// Paints part of the worksheet to the drawing context. Row and column header are always threaten as visible here.
/// </summary>
/// <param name="dc">Drawing context.</param>
/// <param name="layout">Worksheet layout.</param>
/// <param name="viewSize">Width and height of the viewing area (Pixel or Wpf coordinates).</param>
/// <param name="clipRectangle">Bounds of the clipping region. Only that parts of the worksheet that are visible within the clipping region are drawn.</param>
/// <param name="selectedDataColumns">Selected data columns.</param>
/// <param name="selectedDataRows">Selected data rows.</param>
/// <param name="selectedPropertyColumns">Selected property columns.</param>
/// <param name="selectedPropertyRows">Selected property rows.</param>
/// <param name="horzScrollPos">Horizontal scroll position (0 = first column visible).</param>
/// <param name="vertScrollPos">Vertical scroll position (0 = first data column visible, negative values: one or more property columns visible).</param>
public static void PaintTableArea(
DrawingContext dc,
Altaxo.Worksheet.WorksheetLayout layout,
Size viewSize,
Rect clipRectangle,
IAscendingIntegerCollection selectedDataColumns,
IAscendingIntegerCollection selectedDataRows,
IAscendingIntegerCollection selectedPropertyColumns,
IAscendingIntegerCollection selectedPropertyRows,
int horzScrollPos, int vertScrollPos
)
{
dc.PushClip(new RectangleGeometry(new Rect(0, 0, viewSize.Width, viewSize.Height)));
var dataTable = layout.DataTable;
bool bDrawColumnHeader = false;
int firstTableRowToDraw = WA.GetFirstVisibleTableRow(clipRectangle.Top, layout, vertScrollPos);
int numberOfTableRowsToDraw = WA.GetVisibleTableRows(clipRectangle.Top, clipRectangle.Bottom, layout, vertScrollPos);
int firstPropertyColumnToDraw = WA.GetFirstVisiblePropertyColumn(clipRectangle.Top, layout, vertScrollPos);
int numberOfPropertyColumnsToDraw = WA.GetVisiblePropertyColumns(clipRectangle.Top, clipRectangle.Bottom, layout, vertScrollPos);
bool bAreColumnsSelected = selectedDataColumns.Count > 0;
bool bAreRowsSelected = selectedDataRows.Count > 0;
bool bAreCellsSelected = bAreRowsSelected || bAreColumnsSelected;
bool bArePropertyColsSelected = selectedPropertyColumns.Count > 0;
bool bArePropertyRowsSelected = selectedPropertyRows.Count > 0;
bool bArePropertyCellsSelected = ArePropertyCellsSelected(dataTable, selectedPropertyColumns, selectedPropertyRows);
int yShift = 0;
var cellRectangle = new RectangleD2D();
double left, width;
if (clipRectangle.Top < layout.ColumnHeaderStyle.Height)
{
bDrawColumnHeader = true;
}
// if neccessary, draw the row header (the most left column)
if (clipRectangle.Left < layout.RowHeaderStyle.Width)
{
cellRectangle.Height = layout.ColumnHeaderStyle.Height;
cellRectangle.Width = layout.RowHeaderStyle.Width;
cellRectangle.X = 0;
// if visible, draw the top left corner of the table
if (bDrawColumnHeader)
{
cellRectangle.Y = 0;
layout.RowHeaderStyle.PaintBackground(dc, cellRectangle, false);
}
// if visible, draw property column header items
yShift = WA.GetTopCoordinateOfPropertyColumn(firstPropertyColumnToDraw, layout, vertScrollPos);
cellRectangle.Height = layout.PropertyColumnHeaderStyle.Height;
for (int nPropCol = firstPropertyColumnToDraw, nInc = 0; nInc < numberOfPropertyColumnsToDraw; nPropCol++, nInc++)
{
cellRectangle.Y = yShift + nInc * layout.PropertyColumnHeaderStyle.Height;
bool bPropColSelected = bArePropertyColsSelected && selectedPropertyColumns.Contains(nPropCol);
layout.PropertyColumnHeaderStyle.Paint(dc, cellRectangle, nPropCol, dataTable.PropCols[nPropCol], bPropColSelected);
}
}
// draw the table row Header Items
yShift = WA.GetTopCoordinateOfTableRow(firstTableRowToDraw, layout, vertScrollPos);
cellRectangle.Height = layout.RowHeaderStyle.Height;
for (int nRow = firstTableRowToDraw, nInc = 0; nInc < numberOfTableRowsToDraw; nRow++, nInc++)
{
cellRectangle.Y = yShift + nInc * layout.RowHeaderStyle.Height;
layout.RowHeaderStyle.Paint(dc, cellRectangle, nRow, null, bAreRowsSelected && selectedDataRows.Contains(nRow));
}
if (clipRectangle.Bottom >= layout.ColumnHeaderStyle.Height || clipRectangle.Right >= layout.RowHeaderStyle.Width)
{
int numberOfColumnsToDraw;
int firstColToDraw = WA.GetFirstAndNumberOfVisibleColumn(clipRectangle.Left, clipRectangle.Right, layout, horzScrollPos, out numberOfColumnsToDraw);
// draw the property columns
for (int nPropCol = firstPropertyColumnToDraw, nIncPropCol = 0; nIncPropCol < numberOfPropertyColumnsToDraw; nPropCol++, nIncPropCol++)
{
Altaxo.Worksheet.ColumnStyle cs = layout.PropertyColumnStyles[dataTable.PropCols[nPropCol]];
bool bPropColSelected = bArePropertyColsSelected && selectedPropertyColumns.Contains(nPropCol);
bool bPropColIncluded = bArePropertyColsSelected ? bPropColSelected : true; // Property cells are only included if the column is explicite selected
cellRectangle.Y = WA.GetTopCoordinateOfPropertyColumn(nPropCol, layout, vertScrollPos);
cellRectangle.Height = layout.PropertyColumnHeaderStyle.Height;
for (int nCol = firstColToDraw, nIncCol = 0; nIncCol < numberOfColumnsToDraw; nCol++, nIncCol++)
{
if (nCol == firstColToDraw)
{
WA.GetXCoordinatesOfColumn(nCol, layout, horzScrollPos, out left, out width);
cellRectangle.X = left;
cellRectangle.Width = width;
}
else
{
cellRectangle.X += cellRectangle.Width;
cellRectangle.Width = layout.DataColumnStyles[dataTable.DataColumns[nCol]].WidthD;
}
bool bPropRowSelected = bArePropertyRowsSelected && selectedPropertyRows.Contains(nCol);
bool bPropRowIncluded = bArePropertyRowsSelected ? bPropRowSelected : true;
cs.Paint(dc, cellRectangle, nCol, dataTable.PropCols[nPropCol], bArePropertyCellsSelected && bPropColIncluded && bPropRowIncluded);
}
}
// draw the cells
for (int nCol = firstColToDraw, nIncCol = 0; nIncCol < numberOfColumnsToDraw; nCol++, nIncCol++)
{
Altaxo.Worksheet.ColumnStyle cs = layout.DataColumnStyles[dataTable.DataColumns[nCol]];
if (nCol == firstColToDraw)
{
WA.GetXCoordinatesOfColumn(nCol, layout, horzScrollPos, out left, out width);
cellRectangle.X = left;
cellRectangle.Width = width;
}
else
{
cellRectangle.X += cellRectangle.Width;
cellRectangle.Width = cs.WidthD;
}
bool bColumnSelected = bAreColumnsSelected && selectedDataColumns.Contains(nCol);
bool bDataColumnIncluded = bAreColumnsSelected ? bColumnSelected : true;
bool bPropertyRowSelected = bArePropertyRowsSelected && selectedPropertyRows.Contains(nCol);
if (bDrawColumnHeader) // must the column Header been drawn?
{
cellRectangle.Height = layout.ColumnHeaderStyle.Height;
cellRectangle.Y = 0;
layout.ColumnHeaderStyle.Paint(dc, cellRectangle, 0, dataTable[nCol], bColumnSelected || bPropertyRowSelected);
}
yShift = WA.GetTopCoordinateOfTableRow(firstTableRowToDraw, layout, vertScrollPos);
cellRectangle.Height = layout.RowHeaderStyle.Height;
for (int nRow = firstTableRowToDraw, nIncRow = 0; nIncRow < numberOfTableRowsToDraw; nRow++, nIncRow++)
{
bool bRowSelected = bAreRowsSelected && selectedDataRows.Contains(nRow);
bool bDataRowIncluded = bAreRowsSelected ? bRowSelected : true;
cellRectangle.Y = yShift + nIncRow * layout.RowHeaderStyle.Height;
cs.Paint(dc, cellRectangle, nRow, dataTable[nCol], bAreCellsSelected && bDataColumnIncluded && bDataRowIncluded);
}
}
}
}
/// <summary>
/// Creates a rectangle that includes all the provided points.
/// </summary>
/// <param name="points">The points that the rectangle should include.</param>
/// <returns>The rectangle that includes all the provided points.</returns>
/// <exception cref="System.ArgumentException">Enumeration is empty!</exception>
public static RectangleD2D NewRectangleIncludingAllPoints(IEnumerable<PointD2D> points)
{
var en = points.GetEnumerator();
if (!en.MoveNext())
throw new ArgumentException("Enumeration is empty!", nameof(points));
var result = new RectangleD2D(en.Current, PointD2D.Empty);
while (en.MoveNext())
{
result.ExpandToInclude(en.Current);
}
return result;
}
/// <summary>
/// Gets the absolute enclosing rectangle, taking into account ScaleX, ScaleY, Rotation and Shear (SSRS).
/// </summary>
/// <returns>The enclosing rectangle in absolute values.</returns>
public RectangleD2D GetAbsoluteEnclosingRectangle()
{
MatrixD2D m = new MatrixD2D();
m.SetTranslationRotationShearxScale(AbsolutePivotPositionX, AbsolutePivotPositionY, -Rotation, ShearX, ScaleX, ScaleY);
m.TranslatePrepend(AbsoluteVectorPivotToLeftUpper.X, AbsoluteVectorPivotToLeftUpper.Y);
var s = this.AbsoluteSize;
var p1 = m.TransformPoint(new PointD2D(0, 0));
var p2 = m.TransformPoint(new PointD2D(s.X, 0));
var p3 = m.TransformPoint(new PointD2D(0, s.Y));
var p4 = m.TransformPoint(new PointD2D(s.X, s.Y));
var r = new RectangleD2D(p1, PointD2D.Empty);
r.ExpandToInclude(p2);
r.ExpandToInclude(p3);
r.ExpandToInclude(p4);
return r;
}
public bool IsCovering(RectangleD2D rect, MatrixD2D additionalTransform)
{
PointD2D pt;
pt = _transformation.TransformPoint(additionalTransform.TransformPoint(new PointD2D(rect.X, rect.Y)));
if (!_hittedAreaInPageCoord.Contains(pt))
return false;
pt = _transformation.TransformPoint(additionalTransform.TransformPoint(new PointD2D(rect.Right, rect.Y)));
if (!_hittedAreaInPageCoord.Contains(pt))
return false;
pt = _transformation.TransformPoint(additionalTransform.TransformPoint(new PointD2D(rect.X, rect.Bottom)));
if (!_hittedAreaInPageCoord.Contains(pt))
return false;
pt = _transformation.TransformPoint(additionalTransform.TransformPoint(new PointD2D(rect.Right, rect.Bottom)));
if (!_hittedAreaInPageCoord.Contains(pt))
return false;
return true;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="hitAreaPageCoord">Page coordinates (unit: points).</param>
/// <param name="pageScale">Current zoom factor, i.e. ration between displayed size on the screen and given size.</param>
public HitTestRectangularData(RectangleD2D hitAreaPageCoord, double pageScale)
{
_hittedAreaInPageCoord = hitAreaPageCoord;
_pageScale = pageScale;
_transformation = new MatrixD2D();
}
public RectangleD2D MeasureItem(System.Drawing.Graphics g, RectangleD2D innerArea)
{
return innerArea;
}
/// <summary>
/// Copy constructor.
/// </summary>
/// <param name="from">Another HitTestData object to copy from.</param>
public HitTestRectangularData(HitTestRectangularData from)
{
_hittedAreaInPageCoord = from._hittedAreaInPageCoord;
this._pageScale = from._pageScale;
this._transformation = new MatrixD2D(from._transformation);
}
public void Draw(Graphics g, BrushX brush, RectangleD2D innerArea)
{
throw new NotImplementedException();
}
public void Draw(System.Drawing.Graphics g, RectangleD2D innerArea)
{
g.DrawRectangle(Pens.Black, (float)innerArea.Left, (float)innerArea.Top, (float)innerArea.Width, (float)innerArea.Height);
}
public void Paint(Graphics g, IPlotArea layer, int axisnumber)
{
if (!_showGrid)
return;
Scale axis = layer.Scales[axisnumber];
TickSpacing ticking = layer.Scales[axisnumber].TickSpacing;
RectangleD2D layerRect = new RectangleD2D(PointD2D.Empty, layer.Size);
if (_showZeroOnly)
{
Altaxo.Data.AltaxoVariant var = new Altaxo.Data.AltaxoVariant(0.0);
double rel = axis.PhysicalVariantToNormal(var);
_majorPen.SetEnvironment(layerRect, BrushX.GetEffectiveMaximumResolution(g, 1));
if (rel >= 0 && rel <= 1)
{
if (axisnumber == 0)
layer.CoordinateSystem.DrawIsoline(g, MajorPen, new Logical3D(rel, 0), new Logical3D(rel, 1));
else
layer.CoordinateSystem.DrawIsoline(g, MajorPen, new Logical3D(0, rel), new Logical3D(1, rel));
//layer.DrawIsoLine(g, MajorPen, axisnumber, rel, 0, 1);
}
}
else
{
double[] ticks;
if (_showMinor)
{
_minorPen.SetEnvironment(layerRect, BrushX.GetEffectiveMaximumResolution(g, 1));
ticks = ticking.GetMinorTicksNormal(axis);
for (int i = 0; i < ticks.Length; ++i)
{
if (axisnumber == 0)
layer.CoordinateSystem.DrawIsoline(g, MinorPen, new Logical3D(ticks[i], 0), new Logical3D(ticks[i], 1));
else
layer.CoordinateSystem.DrawIsoline(g, MinorPen, new Logical3D(0, ticks[i]), new Logical3D(1, ticks[i]));
//layer.DrawIsoLine(g, MinorPen, axisnumber, ticks[i], 0, 1);
}
}
MajorPen.SetEnvironment(layerRect, BrushX.GetEffectiveMaximumResolution(g, 1));
ticks = ticking.GetMajorTicksNormal(axis);
for (int i = 0; i < ticks.Length; ++i)
{
if (axisnumber == 0)
layer.CoordinateSystem.DrawIsoline(g, MajorPen, new Logical3D(ticks[i], 0), new Logical3D(ticks[i], 1));
else
layer.CoordinateSystem.DrawIsoline(g, MajorPen, new Logical3D(0, ticks[i]), new Logical3D(1, ticks[i]));
//layer.DrawIsoLine(g, MajorPen, axisnumber, ticks[i], 0, 1);
}
}
}
public void FindGraphObjectInRootLayerRectangle(RectangleD2D rectRootLayerCoordinates, out List<IHitTestObject> foundObjects)
{
foundObjects = new List<IHitTestObject>();
var hitData = new HitTestRectangularData(rectRootLayerCoordinates, this.ZoomFactor);
RootLayer.HitTest(hitData, foundObjects);
}