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Fix calculating position of rotated text (wxPostScriptDC)

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Given top-left position of the drawn text should be converted to the bottom-left position, taking into account rotation angle.

Closes #10940
This commit is contained in:
Artur Wieczorek
2017-01-22 13:05:03 +01:00
parent 26c3094932
commit e3c3a0f188
1 changed files with 7 additions and 1 deletions
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8
src/generic/dcpsg.cpp
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@@ -1464,10 +1464,16 @@ void wxPostScriptDCImpl::DoDrawRotatedText( const wxString& text, wxCoord x, wxC
}
}
// Calculate bottom-left coordinates of the rotated text
wxCoord text_descent;
GetOwner()->GetTextExtent(text, NULL, NULL, &text_descent);
int size = m_font.GetPointSize();
double rad = wxDegToRad(angle);
wxCoord bx = wxRound(x + (size - text_descent) * sin(rad));
wxCoord by = wxRound(y + (size - text_descent) * cos(rad));
wxString buffer;
buffer.Printf( "%f %f moveto\n", XLOG2DEV(x), YLOG2DEV(y));
buffer.Printf( "%f %f moveto\n", XLOG2DEV(bx), YLOG2DEV(by));
buffer.Replace( ",", "." );
PsPrint( buffer );