//+++-S-cf-------------------------------------------------------------------
// NAME: WriteLabel()
// DESC: Write ROWS_PAGE labels starting from page
// PARAMETERS: CHART_HPAINT hp,
// int x,
// int y,
// int page
// RETURN: None
//----------------------------------------------------------------------E-+++
void wxLegend::WriteLabel(
CHART_HPAINT hp,
int x,
int y,
int page
)
{
int iDatas = GetCount();
wxFont font(8, wxROMAN, wxNORMAL, wxNORMAL);
hp->SetFont(font);
hp->SetPen( *wxBLACK_PEN );
wxString label;
for ( int iData = page * ROWS_PAGE;
iData < iDatas && iData < (page+1) * ROWS_PAGE;
++ iData )
{
hp->SetBrush( wxBrush(GetColor(iData), wxSOLID) );
hp->SetPen( *wxTRANSPARENT_PEN );
hp->DrawRectangle( x, y+2, 10, 10 );
hp->SetPen( *wxBLACK_PEN );
label = GetLabel( iData ).c_str();
label.Truncate( 5 );
hp->DrawText( label, x + 15, y );
y += ROW_SIZE;
}
}
//+++-S-cf-------------------------------------------------------------------
// NAME: Draw()
// DESC: Draw xaxis
// PARAMETERS: CHART_HPAINT hp,
// CHART_HRECT hr
// RETURN: None
//----------------------------------------------------------------------E-+++
void wxYAxis::Draw(
CHART_HPAINT hp,
CHART_HRECT hr
)
{
if ( GetVirtualMax() > 0 )
{
double range = GetVirtualMax();
double start = 0;
double end = range;
int int_log_range = (int)floor( log10( range ) );
double step = 1.0;
if (int_log_range > 0)
{
for (int i = 0; i < int_log_range; i++)
step *= 10;
}
if (int_log_range < 0)
{
for (int i = 0; i < -int_log_range; i++)
step /= 10;
}
double lower = ceil(start / step) * step;
double upper = floor(end / step) * step;
// if too few values, shrink size
if ((range/step) < 4)
{
step /= 2;
if (lower-step > start) lower -= step;
if (upper+step < end) upper += step;
}
// if still too few, again
if ((range/step) < 4)
{
step /= 2;
if (lower-step > start) lower -= step;
if (upper+step < end) upper += step;
}
wxChartSizes *sizes = GetSizes();
wxFont font( 8, wxFONTFAMILY_ROMAN, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL );
hp->SetFont(font);
hp->SetPen( *wxBLACK_PEN );
double current = lower;
while (current < upper+(step/2))
{
int y = (int)( (GetVirtualMax()-current) /
range * ((double)hr->h - sizes->GetSizeHeight())) - 1;
if ((y > 10) && (y < hr->h - 7 - sizes->GetSizeHeight()))
{
hp->DrawLine( hr->x + hr->w - 15,
y + sizes->GetSizeHeight() + hr->y,
hr->x + hr->w - 7,
y + sizes->GetSizeHeight() + hr->y );
wxString label;
if (range < 50)
{
label.Printf( wxT("%f"), current );
while (label.Last() == wxT('0'))
label.RemoveLast();
if ((label.Last() == wxT('.')) || (label.Last() == wxT(',')))
label.Append( wxT('0') );
}
else
label.Printf( wxT("%d"), (int)floor(current) );
hp->DrawText( label, hr->x + 5,
hr->y + y - 7 + sizes->GetSizeHeight() );
}
current += step;
}
hp->DrawLine( hr->w - 1, 6 + sizes->GetSizeHeight(),
hr->w - 1, hr->h );
//hp->DrawLine( hr->w - 7, 6 + sizes.s_height,
// hr->w - 7, hr->h );
//hp->DrawLine( hr->w - 7, 2 + sizes.s_height,
// hr->w - 13, 8 + sizes.s_height );
//hp->DrawLine( hr->w - 7, 2 + sizes.s_height,
// hr->w - 2, 8 + sizes.s_height );
}
}
//+++-S-cf-------------------------------------------------------------------
// NAME: Draw()
// DESC: Draw Label Area
// PARAMETERS: wxDC* dc,
// int x,
// int y,
// ChartString lbl,
// POSITION pos = UP
// RETURN: None
//----------------------------------------------------------------------E-+++
void wxLabel::Draw(
CHART_HPAINT hp,
int x,
int y,
ChartColor c,
wxString& lbl,
LABEL_POSITION pos
)
{
//-----------------------------------------------------------------------
// Get actual configuration
//-----------------------------------------------------------------------
wxFont oldFont = hp->GetFont();
wxBrush oldBrush = hp->GetBrush();
wxPen oldPen = hp->GetPen();
//-----------------------------------------------------------------------
// Set new values
//-----------------------------------------------------------------------
wxFont font( 8, wxROMAN, wxNORMAL, wxNORMAL );
hp->SetFont( font );
hp->SetBrush( wxBrush(c, wxSOLID) );
hp->SetPen( wxPen(LBL_LINE_COL, 1, wxSOLID) );
//-----------------------------------------------------------------------
// Get the size of the label for the specify font
//-----------------------------------------------------------------------
int w, h;
hp->GetTextExtent( lbl, &w, &h );
//-----------------------------------------------------------------------
// Add boarder
//-----------------------------------------------------------------------
w += 5;
h += 5;
//-----------------------------------------------------------------------
// Get the left-top rectangle point
//-----------------------------------------------------------------------
int xr = x, yr = y;
if ( pos & UP )
yr -= LBL_GAP;
if ( pos & DOWN )
yr += LBL_GAP;
if ( pos & LEFT )
xr -= LBL_GAP;
if ( pos & RIGHT )
xr += LBL_GAP;
//-----------------------------------------------------------------------
// Draw all
//-----------------------------------------------------------------------
hp->DrawRectangle( xr, yr, w, h );
if ( pos & DOWN )
hp->DrawLine( x, y, xr + w/2, yr );
else
hp->DrawLine( x, y, xr + w/2, yr + h);
hp->DrawText( lbl, xr+2, yr );
//-----------------------------------------------------------------------
// Set old configuration
//-----------------------------------------------------------------------
hp->SetFont( oldFont );
hp->SetBrush( oldBrush );
hp->SetPen( oldPen );
}
