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[ 1746670 ] wxGnomePrintDC::GetTextExtent() returns wrong size of text

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@47100 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2007-07-03 12:58:30 +00:00
parent 804ce4d2b2
commit 3e755df90b
1 changed files with 18 additions and 4 deletions
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20
src/gtk/gnome/gprint.cpp
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@@ -1875,15 +1875,27 @@ void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxC
return; return;
} }
PangoFontDescription *desc = (theFont) ? theFont->GetNativeFontInfo()->description : m_fontdesc;
gint oldSize = pango_font_description_get_size( desc );
double size = oldSize;
size = size * m_scaleY;
pango_font_description_set_size( desc, (gint)size );
// apply scaled font
pango_layout_set_font_description( m_layout, desc );
pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) ); pango_layout_set_text( m_layout, dataUTF8, strlen(dataUTF8) );
int w,h; int w, h;
pango_layout_get_pixel_size( m_layout, &w, &h ); pango_layout_get_pixel_size( m_layout, &w, &h );
if (width) if (width)
*width = (wxCoord)(w / m_scaleX); *width = (wxCoord)(w / m_scaleX);
if (height) if (height)
*height = (wxCoord)(h / m_scaleY); *height = (wxCoord)(h / m_scaleY);
if (descent) if (descent)
{ {
PangoLayoutIter *iter = pango_layout_get_iter(m_layout); PangoLayoutIter *iter = pango_layout_get_iter(m_layout);
@@ -1892,8 +1904,10 @@ void wxGnomePrintDC::DoGetTextExtent(const wxString& string, wxCoord *width, wxC
*descent = h - PANGO_PIXELS(baseline); *descent = h - PANGO_PIXELS(baseline);
} }
// Reset old font description // reset unscaled size
if (theFont) pango_font_description_set_size( desc, oldSize );
// reset unscaled font
pango_layout_set_font_description( m_layout, m_fontdesc ); pango_layout_set_font_description( m_layout, m_fontdesc );
} }