void PDFChartAxis::GetDataRange(const Matrix & values)
{
bool fixedMin = min != _NAN_;
bool fixedMax = max != _NAN_;
if (!fixedMin)
min = values.SafeMin();
if (!fixedMax)
max = values.SafeMax();
if (max < min) { double tmp = max; max = min; min = tmp; }
if (max == min)
{
max += 0.5;
min -= 0.5;
}
if (centerData) Center(values);
if (frameData) Frame(values);
if (minMin != _NAN_ && min < minMin) min = minMin;
if (maxMin != _NAN_ && min > maxMin) min = maxMin;
if (minMax != _NAN_ && max < minMax) max = minMax;
if (maxMax != _NAN_ && max > maxMax) max = maxMax;
if (!keepStep) CalculateStep();
if (!fixedMin) min = FloorEPS(min /step) * step;
if (!fixedMax) max = CeilEPS(max /step) * step;
CalculateDigits();
if (min < 0.0 && max > 0.0) includesZero = true;
}
void CSimpleImage::Create(uint W, uint H, uint C, SImage::EDataType T, uint Align)
{
SImage Img = {W, H, CalculateStep(W, C, ::Depth(T), Align), C, T};
Create(Img);
}