cheng/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

don't crash under GTK1 if we failed to get GdkFont in GetTextExtent()

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29217 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2004-09-19 10:55:51 +00:00
parent a6c255cbc0
commit b1f0abe45e
2 changed files with 40 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/gtk/dcclient.cpp
View File

@ -1711,10 +1711,17 @@ void wxWindowDC::DoGetTextExtent(const wxString &string,
wxCoord *descent, wxCoord *externalLeading,
wxFont *theFont) const
{
if ( width )
*width = 0;
if ( height )
*height = 0;
if ( descent )
*descent = 0;
if ( externalLeading )
*externalLeading = 0;
if (string.IsEmpty())
{
if (width) (*width) = 0;
if (height) (*height) = 0;
return;
}
@ -1761,21 +1768,25 @@ void wxWindowDC::DoGetTextExtent(const wxString &string,
pango_layout_iter_free(iter);
*descent = h - PANGO_PIXELS(baseline);
}
if (externalLeading)
*externalLeading = 0; // ??
// Reset old font description
if (theFont)
pango_layout_set_font_description( m_layout, m_fontdesc );
#else // GTK+ 1.x
wxFont fontToUse = m_font;
if (theFont) fontToUse = *theFont;
if (theFont)
fontToUse = *theFont;
GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY);
if (descent) (*descent) = wxCoord(font->descent / m_scaleY);
if (externalLeading) (*externalLeading) = 0; // ??
if ( !font )
return;
if (width)
*width = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
if (height)
*height = wxCoord((font->ascent + font->descent) / m_scaleY);
if (descent)
*descent = wxCoord(font->descent / m_scaleY);
#endif // GTK+ 2/1
}

29
src/gtk1/dcclient.cpp
View File

@ -1711,10 +1711,17 @@ void wxWindowDC::DoGetTextExtent(const wxString &string,
wxCoord *descent, wxCoord *externalLeading,
wxFont *theFont) const
{
if ( width )
*width = 0;
if ( height )
*height = 0;
if ( descent )
*descent = 0;
if ( externalLeading )
*externalLeading = 0;
if (string.IsEmpty())
{
if (width) (*width) = 0;
if (height) (*height) = 0;
return;
}
@ -1761,21 +1768,25 @@ void wxWindowDC::DoGetTextExtent(const wxString &string,
pango_layout_iter_free(iter);
*descent = h - PANGO_PIXELS(baseline);
}
if (externalLeading)
*externalLeading = 0; // ??
// Reset old font description
if (theFont)
pango_layout_set_font_description( m_layout, m_fontdesc );
#else // GTK+ 1.x
wxFont fontToUse = m_font;
if (theFont) fontToUse = *theFont;
if (theFont)
fontToUse = *theFont;
GdkFont *font = fontToUse.GetInternalFont( m_scaleY );
if (width) (*width) = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
if (height) (*height) = wxCoord((font->ascent + font->descent) / m_scaleY);
if (descent) (*descent) = wxCoord(font->descent / m_scaleY);
if (externalLeading) (*externalLeading) = 0; // ??
if ( !font )
return;
if (width)
*width = wxCoord(gdk_string_width( font, string.mbc_str() ) / m_scaleX);
if (height)
*height = wxCoord((font->ascent + font->descent) / m_scaleY);
if (descent)
*descent = wxCoord(font->descent / m_scaleY);
#endif // GTK+ 2/1
}