internal bool draw()
{
Font font = gdef.smallFont;
Color mGridColor = gdef.colors[COLOR_MGRID];
Color fontColor = gdef.colors[COLOR_FONT];
int labelOffset = (int)(worker.getFontAscent(font) / 2);
if (Double.IsNaN((im.maxval - im.minval) / im.magfact))
{
return(false);
}
int xLeft = im.xorigin;
int xRight = im.xorigin + im.xsize;
String labfmt;
if (im.scaledstep / im.magfact * Math.Max(Math.Abs(im.quadrant), Math.Abs(4 - im.quadrant)) <= 1.0)
{
labfmt = "{0,5:f2}";
}
else
{
labfmt = string.Format("{0,4:f}", 1 - ((im.scaledstep / im.magfact > 10.0 || Math.Ceiling(im.scaledstep / im.magfact) == im.scaledstep / im.magfact) ? 1 : 0));
}
if (im.symbol != ' ' || im.unit != null)
{
labfmt += " ";
}
if (im.symbol != ' ')
{
labfmt += im.symbol;
}
if (im.unit != null)
{
labfmt += im.unit;
}
for (int i = 0; i <= 4; i++)
{
int y = im.yorigin - im.ysize * i / 4;
if (y >= im.yorigin - im.ysize && y <= im.yorigin)
{
String graph_label = string.Format(labfmt, im.scaledstep / im.magfact * (i - im.quadrant));
int length = (int)(worker.getStringWidth(graph_label, font));
worker.drawString(graph_label, xLeft - length - PADDING_VLABEL, y + labelOffset, font, fontColor);
worker.drawLine(xLeft - 2, y, xLeft + 2, y, mGridColor, TICK_STROKE);
worker.drawLine(xRight - 2, y, xRight + 2, y, mGridColor, TICK_STROKE);
worker.drawLine(xLeft, y, xRight, y, mGridColor, GRID_STROKE);
}
}
return(true);
}
internal bool draw()
{
Font font = gdef.smallFont;
Color gridColor = gdef.colors[COLOR_GRID];
Color mGridColor = gdef.colors[COLOR_MGRID];
Color fontColor = gdef.colors[COLOR_FONT];
int fontHeight = (int)Math.Ceiling(rrdGraph.getSmallFontHeight());
int labelOffset = (int)(worker.getFontAscent(font) / 2);
double pixpex = (double)im.ysize / (Math.Log10(im.maxval) - Math.Log10(im.minval));
if (Double.IsNaN(pixpex))
{
return(false);
}
double minstep, pixperstep;
int minoridx = 0, majoridx = 0;
for (int i = 0; yloglab[i][0] > 0; i++)
{
minstep = Math.Log10(yloglab[i][0]);
for (int ii = 1; yloglab[i][ii + 1] > 0; ii++)
{
if (yloglab[i][ii + 2] == 0)
{
minstep = Math.Log10(yloglab[i][ii + 1]) - Math.Log10(yloglab[i][ii]);
break;
}
}
pixperstep = pixpex * minstep;
if (pixperstep > 5)
{
minoridx = i;
}
if (pixperstep > 2 * fontHeight)
{
majoridx = i;
}
}
int x0 = im.xorigin, x1 = x0 + im.xsize;
for (double value = Math.Pow(10, Math.Log10(im.minval)
- Math.Log10(im.minval) % Math.Log10(yloglab[minoridx][0]));
value <= im.maxval;
value *= yloglab[minoridx][0])
{
if (value < im.minval)
{
continue;
}
int i = 0;
while (yloglab[minoridx][++i] > 0)
{
int y = rrdGraph.mapper.ytr(value * yloglab[minoridx][i]);
if (y <= im.yorigin - im.ysize)
{
break;
}
worker.drawLine(x0 - 1, y, x0 + 1, y, gridColor, TICK_STROKE);
worker.drawLine(x1 - 1, y, x1 + 1, y, gridColor, TICK_STROKE);
worker.drawLine(x0, y, x1, y, gridColor, GRID_STROKE);
}
}
for (double value = Math.Pow(10, Math.Log10(im.minval)
- (Math.Log10(im.minval) % Math.Log10(yloglab[majoridx][0])));
value <= im.maxval;
value *= yloglab[majoridx][0])
{
if (value < im.minval)
{
continue;
}
int i = 0;
while (yloglab[majoridx][++i] > 0)
{
int y = rrdGraph.mapper.ytr(value * yloglab[majoridx][i]);
if (y <= im.yorigin - im.ysize)
{
break;
}
worker.drawLine(x0 - 2, y, x0 + 2, y, mGridColor, TICK_STROKE);
worker.drawLine(x1 - 2, y, x1 + 2, y, mGridColor, TICK_STROKE);
worker.drawLine(x0, y, x1, y, mGridColor, GRID_STROKE);
String graph_label = string.Format("{0,3:E0}", value * yloglab[majoridx][i]);
int length = (int)(worker.getStringWidth(graph_label, font));
worker.drawString(graph_label, x0 - length - PADDING_VLABEL, y + labelOffset, font, fontColor);
}
}
return(true);
}
private void drawRules()
{
worker.clip(im.xorigin + 1, im.yorigin - gdef.height - 1, gdef.width - 1, gdef.height + 2);
foreach (PlotElement pe in gdef.plotElements)
{
if (pe.GetType() == typeof(HRule))
{
HRule hr = (HRule)pe;
if (hr.value >= im.minval && hr.value <= im.maxval)
{
int y = mapper.ytr(hr.value);
worker.drawLine(im.xorigin, y, im.xorigin + im.xsize, y, hr.color, hr.width);
}
}
else if (pe.GetType() == typeof(VRule))
{
VRule vr = (VRule)pe;
if (vr.timestamp >= im.start && vr.timestamp <= im.end)
{
int x = mapper.xtr(vr.timestamp);
worker.drawLine(x, im.yorigin, x, im.yorigin - im.ysize, vr.color, vr.width);
}
}
}
worker.reset();
}