public void PaintMajorLabels(Graphics g, IPlotArea layer)
{
if (AreMajorLabelsEnabled)
{
var labelSide = _majorLabelStyle.PredictLabelSide(_cachedAxisInfo);
var outerDistance = null == _axisLineStyle ? 0 : _axisLineStyle.GetOuterDistance(labelSide);
var scaleWithTicks = layer.Scales[_cachedAxisInfo.Identifier.ParallelAxisNumber];
_majorLabelStyle.Paint(g, layer.CoordinateSystem, scaleWithTicks, _customTickSpacing ?? scaleWithTicks.TickSpacing, _cachedAxisInfo, outerDistance, false);
}
}
private GraphicsPath _enclosingPath = new GraphicsPath(); // with Winding also overlapping rectangles are selected
public override void Paint(Graphics g, XYPlotLayer layer, CSAxisInformation styleInfo, AxisLineStyle axisstyle, bool useMinorTicks)
{
_cachedStyleID = styleInfo.Identifier;
CSLineID styleID = styleInfo.Identifier;
Scale raxis = styleID.ParallelAxisNumber==0 ? layer.XAxis : layer.YAxis;
_enclosingPath.Reset();
_enclosingPath.FillMode = FillMode.Winding; // with Winding also overlapping rectangles are selected
GraphicsPath helperPath = new GraphicsPath();
Matrix math = new Matrix();
Logical3D r0 = _cachedStyleID.Begin;
Logical3D r1 = _cachedStyleID.End;
SizeF layerSize = layer.Size;
PointF outVector;
Logical3D outer;
float outerDistance = null==axisstyle? 0 : axisstyle.GetOuterDistance(styleInfo.PreferedLabelSide);
float dist_x = outerDistance; // Distance from axis tick point to label
float dist_y = outerDistance; // y distance from axis tick point to label
// dist_x += this._font.SizeInPoints/3; // add some space to the horizontal direction in order to separate the chars a little from the ticks
// next statement is necessary to have a consistent string length both
// on 0 degree rotated text and rotated text
// without this statement, the text is fitted to the pixel grid, which
// leads to "steps" during scaling
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
double[] relpositions;
AltaxoVariant[] ticks;
if(useMinorTicks)
{
relpositions = raxis.GetMinorTicksNormal();
ticks = raxis.GetMinorTicksAsVariant();
}
else
{
relpositions = raxis.GetMajorTicksNormal();
ticks = raxis.GetMajorTicksAsVariant();
}
IMeasuredLabelItem[] labels = _labelFormatting.GetMeasuredItems(g,_font,_stringFormat,ticks);
float emSize = _font.SizeInPoints;
for(int i=0;i<ticks.Length;i++)
{
double r = relpositions[i];
outer = layer.CoordinateSystem.GetLogicalDirection(styleID.ParallelAxisNumber, styleInfo.PreferedLabelSide);
PointF tickorg = layer.CoordinateSystem.GetNormalizedDirection(r0, r1, r, outer, out outVector);
PointF tickend = tickorg;
tickend.X += outVector.X * outerDistance;
tickend.Y += outVector.Y * outerDistance;
SizeF msize = labels[i].Size;
PointF morg = tickend;
if (_automaticRotationShift)
{
double alpha = _rotation * Math.PI / 180 - Math.Atan2(outVector.Y, outVector.X);
double shift = msize.Height * 0.5 * Math.Abs(Math.Sin(alpha)) + (msize.Width + _font.SizeInPoints / 2) * 0.5 * Math.Abs(Math.Cos(alpha));
morg.X += (float)(outVector.X * shift);
morg.Y += (float)(outVector.Y * shift);
}
else
{
morg.X += (float)(outVector.X * _font.SizeInPoints/3);
}
RectangleF mrect = new RectangleF(morg,msize);
if(_automaticRotationShift)
AdjustRectangle(ref mrect, StringAlignment.Center, StringAlignment.Center);
else
AdjustRectangle(ref mrect, _horizontalAlignment, _verticalAlignment);
math.Reset();
math.Translate((float)morg.X, (float)morg.Y);
if (this._rotation != 0)
{
math.Rotate((float)-this._rotation);
}
math.Translate((float)(mrect.X - morg.X + emSize * _xOffset), (float)(mrect.Y - morg.Y + emSize * _yOffset));
System.Drawing.Drawing2D.GraphicsState gs = g.Save();
g.MultiplyTransform(math);
if(this._backgroundStyle!=null)
_backgroundStyle.Draw(g,new RectangleF(PointF.Empty,msize));
_brush.Rectangle = new RectangleF(PointF.Empty, msize);
labels[i].Draw(g,_brush,new PointF(0,0));
g.Restore(gs); // Restore the graphics state
helperPath.Reset();
helperPath.AddRectangle(new RectangleF(PointF.Empty, msize));
helperPath.Transform(math);
_enclosingPath.AddPath(helperPath,true);
}
}
private GraphicsPath _enclosingPath = new GraphicsPath(); // with Winding also overlapping rectangles are selected
public override void Paint(Graphics g, XYPlotLayer layer, CSAxisInformation styleInfo, AxisLineStyle axisstyle, bool useMinorTicks)
{
_cachedStyleID = styleInfo.Identifier;
CSLineID styleID = styleInfo.Identifier;
Scale raxis = styleID.ParallelAxisNumber == 0 ? layer.XAxis : layer.YAxis;
_enclosingPath.Reset();
_enclosingPath.FillMode = FillMode.Winding; // with Winding also overlapping rectangles are selected
GraphicsPath helperPath = new GraphicsPath();
Matrix math = new Matrix();
Logical3D r0 = _cachedStyleID.Begin;
Logical3D r1 = _cachedStyleID.End;
SizeF layerSize = layer.Size;
PointF outVector;
Logical3D outer;
float outerDistance = null == axisstyle? 0 : axisstyle.GetOuterDistance(styleInfo.PreferedLabelSide);
float dist_x = outerDistance; // Distance from axis tick point to label
float dist_y = outerDistance; // y distance from axis tick point to label
// dist_x += this._font.SizeInPoints/3; // add some space to the horizontal direction in order to separate the chars a little from the ticks
// next statement is necessary to have a consistent string length both
// on 0 degree rotated text and rotated text
// without this statement, the text is fitted to the pixel grid, which
// leads to "steps" during scaling
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
double[] relpositions;
AltaxoVariant[] ticks;
if (useMinorTicks)
{
relpositions = raxis.GetMinorTicksNormal();
ticks = raxis.GetMinorTicksAsVariant();
}
else
{
relpositions = raxis.GetMajorTicksNormal();
ticks = raxis.GetMajorTicksAsVariant();
}
IMeasuredLabelItem[] labels = _labelFormatting.GetMeasuredItems(g, _font, _stringFormat, ticks);
float emSize = _font.SizeInPoints;
for (int i = 0; i < ticks.Length; i++)
{
double r = relpositions[i];
outer = layer.CoordinateSystem.GetLogicalDirection(styleID.ParallelAxisNumber, styleInfo.PreferedLabelSide);
PointF tickorg = layer.CoordinateSystem.GetNormalizedDirection(r0, r1, r, outer, out outVector);
PointF tickend = tickorg;
tickend.X += outVector.X * outerDistance;
tickend.Y += outVector.Y * outerDistance;
SizeF msize = labels[i].Size;
PointF morg = tickend;
if (_automaticRotationShift)
{
double alpha = _rotation * Math.PI / 180 - Math.Atan2(outVector.Y, outVector.X);
double shift = msize.Height * 0.5 * Math.Abs(Math.Sin(alpha)) + (msize.Width + _font.SizeInPoints / 2) * 0.5 * Math.Abs(Math.Cos(alpha));
morg.X += (float)(outVector.X * shift);
morg.Y += (float)(outVector.Y * shift);
}
else
{
morg.X += (float)(outVector.X * _font.SizeInPoints / 3);
}
RectangleF mrect = new RectangleF(morg, msize);
if (_automaticRotationShift)
{
AdjustRectangle(ref mrect, StringAlignment.Center, StringAlignment.Center);
}
else
{
AdjustRectangle(ref mrect, _horizontalAlignment, _verticalAlignment);
}
math.Reset();
math.Translate((float)morg.X, (float)morg.Y);
if (this._rotation != 0)
{
math.Rotate((float)-this._rotation);
}
math.Translate((float)(mrect.X - morg.X + emSize * _xOffset), (float)(mrect.Y - morg.Y + emSize * _yOffset));
System.Drawing.Drawing2D.GraphicsState gs = g.Save();
g.MultiplyTransform(math);
if (this._backgroundStyle != null)
{
_backgroundStyle.Draw(g, new RectangleF(PointF.Empty, msize));
}
_brush.Rectangle = new RectangleF(PointF.Empty, msize);
labels[i].Draw(g, _brush, new PointF(0, 0));
g.Restore(gs); // Restore the graphics state
helperPath.Reset();
helperPath.AddRectangle(new RectangleF(PointF.Empty, msize));
helperPath.Transform(math);
_enclosingPath.AddPath(helperPath, true);
}
}