float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
{
if (m_platformData.useGDI())
return widthForGDIGlyph(glyph);
if (!m_platformData.size())
return 0;
HDC hdc = GetDC(0);
SaveDC(hdc);
cairo_scaled_font_t* scaledFont = m_platformData.scaledFont();
cairo_win32_scaled_font_select_font(scaledFont, hdc);
int width;
GetCharWidthI(hdc, glyph, 1, 0, &width);
cairo_win32_scaled_font_done_font(scaledFont);
RestoreDC(hdc, -1);
ReleaseDC(0, hdc);
const double metricsMultiplier = cairo_win32_scaled_font_get_metrics_factor(scaledFont) * m_platformData.size();
return width * metricsMultiplier;
}
float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
{
#if __WXMSW__
// under Windows / wxMSW we currently always use GDI fonts.
return widthForGDIGlyph(glyph);
#else
// TODO: fix this! Make GetTextExtents a method of wxFont in 2.9
int width = 10;
GetTextExtent(*m_platformData.font(), (wxChar)glyph, &width, NULL);
return width;
#endif
}
float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
{
#if __WXMSW__
// under Windows / wxMSW we currently always use GDI fonts.
return widthForGDIGlyph(glyph);
#elif OS(DARWIN)
float pointSize = m_platformData.size();
CGAffineTransform m = CGAffineTransformMakeScale(pointSize, pointSize);
CGSize advance;
NSFont* nsfont = (NSFont*)m_platformData.nsFont();
if (!wkGetGlyphTransformedAdvances(m_platformData.cgFont(), nsfont, &m, &glyph, &advance)) {
// LOG_ERROR("Unable to cache glyph widths for %@ %f", [nsfont displayName], pointSize);
advance.width = 0;
}
return advance.width + m_syntheticBoldOffset;
#else
// TODO: fix this! Make GetTextExtents a method of wxFont in 2.9
int width = 10;
GetTextExtent(*m_platformData.font(), (wxChar)glyph, &width, NULL);
return width;
#endif
}
