static gchar *
sanity_check_pango (void)
{
#define PANGO_REQUIRED_MAJOR 1
#define PANGO_REQUIRED_MINOR 29
#define PANGO_REQUIRED_MICRO 4
const gchar *mismatch = pango_version_check (PANGO_REQUIRED_MAJOR,
PANGO_REQUIRED_MINOR,
PANGO_REQUIRED_MICRO);
if (mismatch)
{
const gint pango_major_version = pango_version () / 100 / 100;
const gint pango_minor_version = pango_version () / 100 % 100;
const gint pango_micro_version = pango_version () % 100;
return g_strdup_printf
("%s\n\n"
"GIMP requires Pango version %d.%d.%d or later.\n"
"Installed Pango version is %d.%d.%d.\n\n"
"Somehow you or your software packager managed\n"
"to install GIMP with an older Pango version.\n\n"
"Please upgrade to Pango version %d.%d.%d or later.",
mismatch,
PANGO_REQUIRED_MAJOR, PANGO_REQUIRED_MINOR, PANGO_REQUIRED_MICRO,
pango_major_version, pango_minor_version, pango_micro_version,
PANGO_REQUIRED_MAJOR, PANGO_REQUIRED_MINOR, PANGO_REQUIRED_MICRO);
}
#undef PANGO_REQUIRED_MAJOR
#undef PANGO_REQUIRED_MINOR
#undef PANGO_REQUIRED_MICRO
return NULL;
}
FontPlatformData::FontPlatformData(const FontDescription& fontDescription, const AtomicString& familyName)
: m_context(0)
, m_font(0)
, m_size(fontDescription.computedSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_scaledFont(0)
{
FontPlatformData::init();
CString stored_family = familyName.string().utf8();
char const* families[] = {
stored_family.data(),
NULL
};
switch (fontDescription.genericFamily()) {
case FontDescription::SerifFamily:
families[1] = "serif";
break;
case FontDescription::SansSerifFamily:
families[1] = "sans";
break;
case FontDescription::MonospaceFamily:
families[1] = "monospace";
break;
case FontDescription::NoFamily:
case FontDescription::StandardFamily:
default:
families[1] = "sans";
break;
}
PangoFontDescription* description = pango_font_description_new();
pango_font_description_set_absolute_size(description, fontDescription.computedSize() * PANGO_SCALE);
// FIXME: Map all FontWeight values to Pango font weights.
if (fontDescription.weight() >= FontWeight600)
pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD);
if (fontDescription.italic())
pango_font_description_set_style(description, PANGO_STYLE_ITALIC);
#if PANGO_VERSION_CHECK(1,21,5) // deprecated in 1.21
int version = pango_version();
if (version > 12105 )
m_context = pango_font_map_create_context(m_fontMap);
else
m_context = pango_cairo_font_map_create_context(PANGO_CAIRO_FONT_MAP(m_fontMap));
#else
m_context = pango_cairo_font_map_create_context(PANGO_CAIRO_FONT_MAP(m_fontMap));
#endif
for (unsigned int i = 0; !m_font && i < G_N_ELEMENTS(families); i++) {
pango_font_description_set_family(description, families[i]);
pango_context_set_font_description(m_context, description);
m_font = pango_font_map_load_font(m_fontMap, m_context, description);
}
#if PANGO_VERSION_CHECK(1,18,0)
if (m_font)
m_scaledFont = cairo_scaled_font_reference(pango_cairo_font_get_scaled_font(PANGO_CAIRO_FONT(m_font)));
#else
// This compatibility code for older versions of Pango is not well-tested.
if (m_font) {
PangoFcFont* fcfont = PANGO_FC_FONT(m_font);
cairo_font_face_t* face = cairo_ft_font_face_create_for_pattern(fcfont->font_pattern);
double size;
if (FcPatternGetDouble(fcfont->font_pattern, FC_PIXEL_SIZE, 0, &size) != FcResultMatch)
size = 12.0;
cairo_matrix_t fontMatrix;
cairo_matrix_init_scale(&fontMatrix, size, size);
cairo_font_options_t* fontOptions;
if (pango_cairo_context_get_font_options(m_context))
fontOptions = cairo_font_options_copy(pango_cairo_context_get_font_options(m_context));
else
fontOptions = cairo_font_options_create();
cairo_matrix_t ctm;
cairo_matrix_init_identity(&ctm);
m_scaledFont = cairo_scaled_font_create(face, &fontMatrix, &ctm, fontOptions);
cairo_font_options_destroy(fontOptions);
cairo_font_face_destroy(face);
}
#endif
pango_font_description_free(description);
}
