int MeasureTicksSize(TickEnumerator e, AxisDimension ad)
{
int max = 0;
Pango.Layout layout = new Pango.Layout(this.PangoContext);
layout.FontDescription = Pango.FontDescription.FromString("Tahoma 8");
double start = GetStart(ad);
double end = GetEnd(ad);
e.Init(GetOrigin(ad));
while (e.CurrentValue > start)
{
e.MovePrevious();
}
for ( ; e.CurrentValue <= end; e.MoveNext())
{
int tw = 0, th = 0;
layout.SetMarkup(e.CurrentLabel);
layout.GetPixelSize(out tw, out th);
if (ad == AxisDimension.X)
{
if (th > max)
{
max = th;
}
}
else
{
if (tw > max)
{
max = tw;
}
}
}
return(max);
}
double MeasureTicksSize(Context ctx, TickEnumerator e, AxisDimension ad)
{
double max = 0;
TextLayout layout = new TextLayout(ctx);
layout.Font = chartFont;
double start = GetStart(ad);
double end = GetEnd(ad);
e.Init(GetOrigin(ad));
while (e.CurrentValue > start)
{
e.MovePrevious();
}
for ( ; e.CurrentValue <= end; e.MoveNext())
{
layout.Text = e.CurrentLabel;
Size ts = layout.GetSize();
if (ad == AxisDimension.X)
{
if (ts.Height > max)
{
max = ts.Height;
}
}
else
{
if (ts.Width > max)
{
max = ts.Width;
}
}
}
return(max);
}
void GetValueRange(AxisDimension ad, out double min, out double max)
{
min = double.MaxValue;
max = double.MinValue;
foreach (Serie serie in series)
{
if (!serie.HasData || !serie.Visible)
{
continue;
}
double lmin, lmax;
serie.GetRange(ad, out lmin, out lmax);
if (lmin < min)
{
min = lmin;
}
if (lmax > max)
{
max = lmax;
}
}
}
public void AddCursor (ChartCursor cursor, AxisDimension dimension)
{
widget.AddCursor (cursor, dimension);
}
public void SetAutoScale(AxisDimension ad, bool autoStart, bool autoEnd)
{
widget.SetAutoScale(ad, autoStart, autoEnd);
}
int MeasureTicksSize(TickEnumerator e, AxisDimension ad)
{
int max = 0;
Pango.Layout layout = new Pango.Layout (this.PangoContext);
layout.FontDescription = Pango.FontDescription.FromString ("Tahoma 8");
double start = GetStart (ad);
double end = GetEnd (ad);
e.Init (GetOrigin (ad));
while (e.CurrentValue > start)
e.MovePrevious ();
for ( ; e.CurrentValue <= end; e.MoveNext ())
{
int tw = 0, th = 0;
layout.SetMarkup (e.CurrentLabel);
layout.GetPixelSize (out tw, out th);
if (ad == AxisDimension.X) {
if (th > max)
max = th;
} else {
if (tw > max)
max = tw;
}
}
return max;
}
string GetValueLabel(AxisDimension ad, double value)
{
foreach (Axis ax in axis)
if (ax.Dimension == ad)
return ax.GetValueLabel (value);
return null;
}
double GetOrigin(AxisDimension ad)
{
if (ad == AxisDimension.X)
return OriginX;
else
return OriginY;
}
double GetEnd(AxisDimension ad)
{
if (ad == AxisDimension.X)
return endX;
else
return endY;
}
public void GetRange (AxisDimension axis, out double min, out double max)
{
min = double.MaxValue;
max = double.MinValue;
foreach (Data d in dataArray) {
double v = d.GetValue (axis);
if (v > max) max = v;
if (v < min) min = v;
}
}
double MeasureTicksSize (Context ctx, TickEnumerator e, AxisDimension ad)
{
double max = 0;
TextLayout layout = new TextLayout ();
layout.Font = chartFont;
double start = GetStart (ad);
double end = GetEnd (ad);
e.Init (GetOrigin (ad));
while (e.CurrentValue > start)
e.MovePrevious ();
for ( ; e.CurrentValue <= end; e.MoveNext ())
{
layout.Text = e.CurrentLabel;
Size ts = layout.GetSize ();
if (ad == AxisDimension.X) {
if (ts.Height > max)
max = ts.Height;
} else {
if (ts.Width > max)
max = ts.Width;
}
}
return max;
}
void DrawTicks (Context ctx, TickEnumerator e, AxisPosition pos, AxisDimension ad, int tickSize, bool showLabels)
{
double rheight = Bounds.Height;
TextLayout layout = null;
if (showLabels) {
layout = new TextLayout ();
layout.Font = chartFont;
}
bool isX = pos == AxisPosition.Top || pos == AxisPosition.Bottom;
bool isTop = pos == AxisPosition.Top || pos == AxisPosition.Right;
double start = GetStart (ad);
double end = GetEnd (ad);
e.Init (GetOrigin (ad));
while (e.CurrentValue > start)
e.MovePrevious ();
double lastPosLabel;
double lastPos;
double lastTw = 0;
if (isX) {
lastPosLabel = reverseXAxis ? left + width + MinLabelGapX : left - MinLabelGapX;
lastPos = left - minTickStep*2;
}
else {
lastPosLabel = reverseYAxis ? top - MinLabelGapY : rheight + MinLabelGapY;
lastPos = top + height + minTickStep*2;
}
for ( ; e.CurrentValue <= end; e.MoveNext ())
{
double px, py;
double tw = 0, th = 0;
int tick = tickSize;
GetPoint (e.CurrentValue, e.CurrentValue, out px, out py);
if (showLabels) {
layout.Text = e.CurrentLabel;
var ts = layout.GetSize ();
tw = ts.Width;
th = ts.Height;
}
if (isX) {
if (Math.Abs ((long)px - (long)lastPos) < minTickStep || px < left || px > left + width)
continue;
lastPos = px;
bool labelFits = false;
if ((Math.Abs (px - lastPosLabel) - (tw/2) - (lastTw/2)) >= MinLabelGapX) {
lastPosLabel = px;
lastTw = tw;
labelFits = true;
}
if (isTop) {
if (showLabels) {
if (labelFits)
ctx.DrawTextLayout (layout, px - (tw/2), top - AreaBorderWidth - th);
else
tick = tick / 2;
}
ctx.MoveTo (px, top);
ctx.LineTo (px, top + tick);
ctx.Stroke ();
}
else {
if (showLabels) {
if (labelFits)
ctx.DrawTextLayout (layout, px - (tw/2), top + height + AreaBorderWidth);
else
tick = tick / 2;
}
ctx.MoveTo (px, top + height);
ctx.LineTo (px, top + height - tick);
ctx.Stroke ();
}
}
else {
if (Math.Abs ((long)lastPos - (long)py) < minTickStep || py < top || py > top + height)
continue;
lastPos = py;
bool labelFits = false;
if ((Math.Abs (py - lastPosLabel) - (th/2) - (lastTw/2)) >= MinLabelGapY) {
lastPosLabel = py;
lastTw = th;
labelFits = true;
}
if (isTop) {
if (showLabels) {
if (labelFits)
ctx.DrawTextLayout (layout, left + width + AreaBorderWidth + 1, py - (th/2));
else
tick = tick / 2;
}
ctx.MoveTo (left + width, py);
ctx.LineTo (left + width - tick, py);
ctx.Stroke ();
}
else {
if (showLabels) {
if (labelFits)
ctx.DrawTextLayout (layout, left - AreaBorderWidth - tw - 1, py - (th/2));
else
tick = tick / 2;
}
ctx.MoveTo (left, py);
ctx.LineTo (left + tick, py);
ctx.Stroke ();
}
}
}
}
private double GetValue(IRun run, AxisDimension axisDimension) {
double value = double.NaN;
switch (axisDimension) {
case AxisDimension.Index: {
value = runToIndexMapping[run];
break;
}
default: {
throw new ArgumentException("No handling strategy for " + axisDimension.ToString() + " is defined.");
}
}
return value;
}
public void SetAutoScale (AxisDimension ad, bool autoStart, bool autoEnd)
{
widget.SetAutoScale (ad, autoStart, autoEnd);
}
void DrawTicks(Gdk.Window win, Gdk.GC gc, TickEnumerator e, AxisPosition pos, AxisDimension ad, int tickSize, bool showLabels)
{
int rwidth, rheight;
win.GetSize (out rwidth, out rheight);
Pango.Layout layout = null;
if (showLabels) {
layout = new Pango.Layout (this.PangoContext);
layout.FontDescription = Pango.FontDescription.FromString ("Tahoma 8");
}
bool isX = pos == AxisPosition.Top || pos == AxisPosition.Bottom;
bool isTop = pos == AxisPosition.Top || pos == AxisPosition.Right;
double start = GetStart (ad);
double end = GetEnd (ad);
e.Init (GetOrigin (ad));
while (e.CurrentValue > start)
e.MovePrevious ();
int lastPosLabel;
int lastPos;
int lastTw = 0;
if (isX) {
lastPosLabel = reverseXAxis ? left + width + MinLabelGapX : left - MinLabelGapX;
lastPos = left - minTickStep*2;
}
else {
lastPosLabel = reverseYAxis ? top - MinLabelGapY : rheight + MinLabelGapY;
lastPos = top + height + minTickStep*2;
}
for ( ; e.CurrentValue <= end; e.MoveNext ())
{
int px, py;
int tw = 0, th = 0;
int tick = tickSize;
GetPoint (e.CurrentValue, e.CurrentValue, out px, out py);
if (showLabels) {
layout.SetMarkup (e.CurrentLabel);
layout.GetPixelSize (out tw, out th);
}
if (isX) {
if (Math.Abs ((long)px - (long)lastPos) < minTickStep || px < left || px > left + width)
continue;
lastPos = px;
bool labelFits = false;
if ((Math.Abs (px - lastPosLabel) - (tw/2) - (lastTw/2)) >= MinLabelGapX) {
lastPosLabel = px;
lastTw = tw;
labelFits = true;
}
if (isTop) {
if (showLabels) {
if (labelFits)
win.DrawLayout (gc, px - (tw/2), top - AreaBorderWidth - th, layout);
else
tick = tick / 2;
}
win.DrawLine (gc, px, top, px, top + tick);
}
else {
if (showLabels) {
if (labelFits)
win.DrawLayout (gc, px - (tw/2), top + height + AreaBorderWidth, layout);
else
tick = tick / 2;
}
win.DrawLine (gc, px, top + height, px, top + height - tick);
}
}
else {
if (Math.Abs ((long)lastPos - (long)py) < minTickStep || py < top || py > top + height)
continue;
lastPos = py;
bool labelFits = false;
if ((Math.Abs (py - lastPosLabel) - (th/2) - (lastTw/2)) >= MinLabelGapY) {
lastPosLabel = py;
lastTw = th;
labelFits = true;
}
if (isTop) {
if (showLabels) {
if (labelFits)
win.DrawLayout (gc, left + width + AreaBorderWidth + 1, py - (th/2), layout);
else
tick = tick / 2;
}
win.DrawLine (gc, left + width, py, left + width - tick, py);
}
else {
if (showLabels) {
if (labelFits)
win.DrawLayout (gc, left - AreaBorderWidth - tw - 1, py - (th/2), layout);
else
tick = tick / 2;
}
win.DrawLine (gc, left, py, left + tick, py);
}
}
}
}
int GetAreaSize(AxisDimension ad)
{
if (ad == AxisDimension.X)
return width;
else
return height;
}
public double GetValue (AxisDimension a) {
if (a == AxisDimension.X) return x;
else return y;
}
double GetMinTickStep(AxisDimension ad)
{
return (((double) minTickStep) * (GetEnd (ad) - GetStart (ad))) / (double) GetAreaSize (ad);
}
private double GetValue(IRun run, AxisDimension axisDimension) {
double value = double.NaN;
switch (axisDimension) {
case AxisDimension.Color: {
value = GetCategoricalValue(-1, run.Color.ToString());
break;
}
default: {
throw new ArgumentException("No handling strategy for " + axisDimension + " is defined.");
}
}
return value;
}
double GetStart(AxisDimension ad)
{
if (ad == AxisDimension.X)
return startX;
else
return startY;
}
void DrawTicks(Context ctx, TickEnumerator e, AxisPosition pos, AxisDimension ad, int tickSize, bool showLabels)
{
double rheight = Bounds.Height;
TextLayout layout = null;
if (showLabels)
{
layout = new TextLayout(ctx);
layout.Font = chartFont;
}
bool isX = pos == AxisPosition.Top || pos == AxisPosition.Bottom;
bool isTop = pos == AxisPosition.Top || pos == AxisPosition.Right;
double start = GetStart(ad);
double end = GetEnd(ad);
e.Init(GetOrigin(ad));
while (e.CurrentValue > start)
{
e.MovePrevious();
}
double lastPosLabel;
double lastPos;
double lastTw = 0;
if (isX)
{
lastPosLabel = reverseXAxis ? left + width + MinLabelGapX : left - MinLabelGapX;
lastPos = left - minTickStep * 2;
}
else
{
lastPosLabel = reverseYAxis ? top - MinLabelGapY : rheight + MinLabelGapY;
lastPos = top + height + minTickStep * 2;
}
for ( ; e.CurrentValue <= end; e.MoveNext())
{
double px, py;
double tw = 0, th = 0;
int tick = tickSize;
GetPoint(e.CurrentValue, e.CurrentValue, out px, out py);
if (showLabels)
{
layout.Text = e.CurrentLabel;
var ts = layout.GetSize();
tw = ts.Width;
th = ts.Height;
}
if (isX)
{
if (Math.Abs((long)px - (long)lastPos) < minTickStep || px < left || px > left + width)
{
continue;
}
lastPos = px;
bool labelFits = false;
if ((Math.Abs(px - lastPosLabel) - (tw / 2) - (lastTw / 2)) >= MinLabelGapX)
{
lastPosLabel = px;
lastTw = tw;
labelFits = true;
}
if (isTop)
{
if (showLabels)
{
if (labelFits)
{
ctx.DrawTextLayout(layout, px - (tw / 2), top - AreaBorderWidth - th);
}
else
{
tick = tick / 2;
}
}
ctx.MoveTo(px, top);
ctx.LineTo(px, top + tick);
ctx.Stroke();
}
else
{
if (showLabels)
{
if (labelFits)
{
ctx.DrawTextLayout(layout, px - (tw / 2), top + height + AreaBorderWidth);
}
else
{
tick = tick / 2;
}
}
ctx.MoveTo(px, top + height);
ctx.LineTo(px, top + height - tick);
ctx.Stroke();
}
}
else
{
if (Math.Abs((long)lastPos - (long)py) < minTickStep || py < top || py > top + height)
{
continue;
}
lastPos = py;
bool labelFits = false;
if ((Math.Abs(py - lastPosLabel) - (th / 2) - (lastTw / 2)) >= MinLabelGapY)
{
lastPosLabel = py;
lastTw = th;
labelFits = true;
}
if (isTop)
{
if (showLabels)
{
if (labelFits)
{
ctx.DrawTextLayout(layout, left + width + AreaBorderWidth + 1, py - (th / 2));
}
else
{
tick = tick / 2;
}
}
ctx.MoveTo(left + width, py);
ctx.LineTo(left + width - tick, py);
ctx.Stroke();
}
else
{
if (showLabels)
{
if (labelFits)
{
ctx.DrawTextLayout(layout, left - AreaBorderWidth - tw - 1, py - (th / 2));
}
else
{
tick = tick / 2;
}
}
ctx.MoveTo(left, py);
ctx.LineTo(left + tick, py);
ctx.Stroke();
}
}
}
}
void GetValueRange(AxisDimension ad, out double min, out double max)
{
min = double.MaxValue;
max = double.MinValue;
foreach (Serie serie in series) {
if (!serie.HasData || !serie.Visible)
continue;
double lmin, lmax;
serie.GetRange (ad, out lmin, out lmax);
if (lmin < min) min = lmin;
if (lmax > max) max = lmax;
}
}
private double? GetValue(IRun run, AxisDimension axisDimension) {
double? value = double.NaN;
switch (axisDimension) {
case AxisDimension.Color: {
const int colorDimension = -1;
if (!categoricalMapping.ContainsKey(colorDimension)) {
categoricalMapping[colorDimension] = Content.Where(r => r.Visible)
.Select(r => r.Color.Name)
.Distinct()
.OrderBy(c => c, new NaturalStringComparer())
.Select((c, i) => new { Color = c, Index = i })
.ToDictionary(a => (object)a.Color, a => (double)a.Index);
}
value = GetCategoricalValue(colorDimension, run.Color.Name);
break;
}
default: {
throw new ArgumentException("No handling strategy for " + axisDimension.ToString() + " is defined.");
}
}
return value;
}
public void AddCursor(ChartCursor cursor, AxisDimension dimension)
{
widget.AddCursor(cursor, dimension);
}
public void AddCursor(ChartCursor cursor, AxisDimension dimension)
{
cursor.Dimension = dimension;
cursor.ValueChanged += new EventHandler (OnCursorChanged);
cursor.LayoutChanged += new EventHandler (OnCursorChanged);
cursors.Add (cursor);
xrangeChanged = yrangeChanged = true;
QueueDraw ();
}
double GetMinTickStep(AxisDimension ad)
{
return((((double)minTickStep) * (GetEnd(ad) - GetStart(ad))) / (double)GetAreaSize(ad));
}
public void SetAutoScale(AxisDimension ad, bool autoStart, bool autoEnd)
{
if (ad == AxisDimension.X) {
autoStartX = autoStart;
autoEndX = autoEnd;
} else {
autoStartY = autoStart;
autoEndY = autoEnd;
}
}
void DrawTicks(Gdk.Window win, Gdk.GC gc, TickEnumerator e, AxisPosition pos, AxisDimension ad, int tickSize, bool showLabels)
{
int rwidth, rheight;
win.GetSize(out rwidth, out rheight);
Pango.Layout layout = null;
if (showLabels)
{
layout = new Pango.Layout(this.PangoContext);
layout.FontDescription = Pango.FontDescription.FromString("Tahoma 8");
}
bool isX = pos == AxisPosition.Top || pos == AxisPosition.Bottom;
bool isTop = pos == AxisPosition.Top || pos == AxisPosition.Right;
double start = GetStart(ad);
double end = GetEnd(ad);
e.Init(GetOrigin(ad));
while (e.CurrentValue > start)
{
e.MovePrevious();
}
int lastPosLabel;
int lastPos;
int lastTw = 0;
if (isX)
{
lastPosLabel = reverseXAxis ? left + width + MinLabelGapX : left - MinLabelGapX;
lastPos = left - minTickStep * 2;
}
else
{
lastPosLabel = reverseYAxis ? top - MinLabelGapY : rheight + MinLabelGapY;
lastPos = top + height + minTickStep * 2;
}
for ( ; e.CurrentValue <= end; e.MoveNext())
{
int px, py;
int tw = 0, th = 0;
int tick = tickSize;
GetPoint(e.CurrentValue, e.CurrentValue, out px, out py);
if (showLabels)
{
layout.SetMarkup(e.CurrentLabel);
layout.GetPixelSize(out tw, out th);
}
if (isX)
{
if (Math.Abs((long)px - (long)lastPos) < minTickStep || px < left || px > left + width)
{
continue;
}
lastPos = px;
bool labelFits = false;
if ((Math.Abs(px - lastPosLabel) - (tw / 2) - (lastTw / 2)) >= MinLabelGapX)
{
lastPosLabel = px;
lastTw = tw;
labelFits = true;
}
if (isTop)
{
if (showLabels)
{
if (labelFits)
{
win.DrawLayout(gc, px - (tw / 2), top - AreaBorderWidth - th, layout);
}
else
{
tick = tick / 2;
}
}
win.DrawLine(gc, px, top, px, top + tick);
}
else
{
if (showLabels)
{
if (labelFits)
{
win.DrawLayout(gc, px - (tw / 2), top + height + AreaBorderWidth, layout);
}
else
{
tick = tick / 2;
}
}
win.DrawLine(gc, px, top + height, px, top + height - tick);
}
}
else
{
if (Math.Abs((long)lastPos - (long)py) < minTickStep || py < top || py > top + height)
{
continue;
}
lastPos = py;
bool labelFits = false;
if ((Math.Abs(py - lastPosLabel) - (th / 2) - (lastTw / 2)) >= MinLabelGapY)
{
lastPosLabel = py;
lastTw = th;
labelFits = true;
}
if (isTop)
{
if (showLabels)
{
if (labelFits)
{
win.DrawLayout(gc, left + width + AreaBorderWidth + 1, py - (th / 2), layout);
}
else
{
tick = tick / 2;
}
}
win.DrawLine(gc, left + width, py, left + width - tick, py);
}
else
{
if (showLabels)
{
if (labelFits)
{
win.DrawLayout(gc, left - AreaBorderWidth - tw - 1, py - (th / 2), layout);
}
else
{
tick = tick / 2;
}
}
win.DrawLine(gc, left, py, left + tick, py);
}
}
}
}
protected AxisModel(AxisDimension dimension, string label, IEnumerable <AxisTickModel> ticks)
{
Dimension = dimension;
Label = label;
_ticks = new List <AxisTickModel>(ticks);
}
