preview_utils.cpp File Reference

#include <preview_items/preview_utils.h>
#include <gal/graphics_abstraction_layer.h>
#include <base_units.h>
#include <pcb_painter.h>
#include <view/view.h>

Go to the source code of this file.

Functions
static wxString	formatPreviewDimension (double aVal, EDA_UNITS_T aUnits)

Function Documentation

formatPreviewDimension()

static wxString formatPreviewDimension ( double  aVal, EDA_UNITS_T  aUnits  )

static

Definition at line 32 of file preview_utils.cpp.

{
    int precision = 4;

    // show a sane precision for the preview, which doesn't need to
    // be accurate down to the nanometre
    switch( aUnits )
    {
    case MILLIMETRES:
        precision = 3;  // 1um
        break;

    case INCHES:
        precision = 4;  // 0.1mil
        break;

    case DEGREES:
        precision = 1;  // 0.1deg
        break;

    case PERCENT:
        precision = 1;  // 0.1%
        break;

    case UNSCALED_UNITS:
        break;
    }

    const wxString fmtStr = wxString::Format( "%%.%df", precision );

    wxString str = wxString::Format( fmtStr, To_User_Unit( aUnits, aVal ) );

    const wxString symbol = GetAbbreviatedUnitsLabel( aUnits, false );

    if( symbol.size() )
        str << " " << symbol;

    return str;
}

References DEGREES, Format(), GetAbbreviatedUnitsLabel(), INCHES, MILLIMETRES, PERCENT, str, To_User_Unit(), and UNSCALED_UNITS.

Referenced by KIGFX::PREVIEW::DimensionLabel().