/*
- pango-font.cc -- implement Pango_font
+ pango-font.cc -- implement Pango_font
source file of the GNU LilyPond music typesetter
(c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
*/
-
#define PANGO_ENABLE_BACKEND // ugh, why necessary?
#include <pango/pangoft2.h>
#include "warn.hh"
#if HAVE_PANGO_FT2
-#include "stencil.hh"
-
+#include "stencil.hh"
Pango_font::Pango_font (PangoFT2FontMap *fontmap,
Direction dir,
PangoDirection pango_dir = (dir == RIGHT)
? PANGO_DIRECTION_LTR
: PANGO_DIRECTION_RTL;
- context_ =
- pango_ft2_get_context (PANGO_RESOLUTION, PANGO_RESOLUTION);
+ context_
+ = pango_ft2_get_context (PANGO_RESOLUTION, PANGO_RESOLUTION);
pango_description_ = pango_font_description_copy (description);
- // context_ = pango_ft2_font_map_create_context (fontmap);
- attribute_list_= pango_attr_list_new();
+ // context_ = pango_ft2_font_map_create_context (fontmap);
+ attribute_list_ = pango_attr_list_new ();
-
/*
urgh. I don't understand this. Why isn't this 1/(scale *
resolution * output_scale)
--hwn
- */
+ */
scale_ = INCH_TO_BP / (Real (PANGO_SCALE) * Real (PANGO_RESOLUTION) * output_scale);
/*
}
void
-Pango_font::register_font_file (String filename, String ps_name)
+Pango_font::register_font_file (String filename, String ps_name)
{
scm_hash_set_x (physical_font_tab_,
- scm_makfrom0str (ps_name.to_str0()),
- scm_makfrom0str (filename.to_str0()));
+ scm_makfrom0str (ps_name.to_str0 ()),
+ scm_makfrom0str (filename.to_str0 ()));
}
void
Stencil
Pango_font::pango_item_string_stencil (PangoItem *item, String str, Real dx) const
-{
+{
const int GLYPH_NAME_LEN = 256;
char glyph_name[GLYPH_NAME_LEN];
PangoAnalysis *pa = &(item->analysis);
PangoRectangle logical_rect;
PangoRectangle ink_rect;
pango_glyph_string_extents (pgs, pa->font, &ink_rect, &logical_rect);
-
- PangoFcFont *fcfont = G_TYPE_CHECK_INSTANCE_CAST(pa->font,
- PANGO_TYPE_FC_FONT,
- PangoFcFont);
-
+
+ PangoFcFont *fcfont = G_TYPE_CHECK_INSTANCE_CAST (pa->font,
+ PANGO_TYPE_FC_FONT,
+ PangoFcFont);
+
FT_Face ftface = pango_fc_font_lock_face (fcfont);
- Box b (Interval (PANGO_LBEARING(ink_rect),
- PANGO_RBEARING(ink_rect)),
- Interval (-PANGO_DESCENT(ink_rect),
- PANGO_ASCENT(ink_rect)));
-
+ Box b (Interval (PANGO_LBEARING (ink_rect),
+ PANGO_RBEARING (ink_rect)),
+ Interval (-PANGO_DESCENT (ink_rect),
+ PANGO_ASCENT (ink_rect)));
+
b.scale (scale_);
SCM glyph_exprs = SCM_EOL;
for (int i = 0; i < pgs->num_glyphs; i++)
{
PangoGlyphInfo *pgi = pgs->glyphs + i;
-
+
PangoGlyph pg = pgi->glyph;
PangoGlyphGeometry ggeo = pgi->geometry;
PangoFontDescription *descr = pango_font_describe (pa->font);
Real size = pango_font_description_get_size (descr)
- / (Real (PANGO_SCALE));
-
+ / (Real (PANGO_SCALE));
+
FcPattern *fcpat = fcfont->font_pattern;
char *filename = 0;
- FcPatternGetString(fcpat, FC_FILE, 0, (FcChar8 **) &filename);
- char const *ps_name = FT_Get_Postscript_Name (ftface);
+ FcPatternGetString (fcpat, FC_FILE, 0, (FcChar8 **) & filename);
+ char const *ps_name_str0 = FT_Get_Postscript_Name (ftface);
+
+ if (!ps_name_str0)
+ warning (_f ("no PostScript font name for font `%s'", filename));
+
+ String ps_name;
+ if (!ps_name_str0
+ && filename
+ && (String (filename).index (".otf") >= 0
+ || String (filename).index (".cff") >= 0))
+ {
+
+ /*
+ UGH: kludge a PS name for OTF/CFF fonts.
+
+ */
+
+ String name = filename;
+ int idx = String (filename).index (".otf")
+ >? String (filename).index (".cff");
+
+ name = name.left_string (idx);
+
+ int slash_idx = name.index_last ('/'); // UGh. What's happens on windows?
+ if (slash_idx >= 0)
+ name = name.right_string (name.length () - slash_idx - 1);
+
+ String initial = name.cut_string (0, 1);
+ initial.to_upper ();
+ name = name.nomid_string (0, 1);
+ name.to_lower ();
+ ps_name = initial + name;
+ }
+ else if (ps_name_str0)
+ ps_name = ps_name_str0;
- if (ps_name)
+ if (ps_name.length ())
{
((Pango_font *) this)->register_font_file (filename, ps_name);
pango_fc_font_unlock_face (fcfont);
-
+
SCM expr = scm_list_4 (ly_symbol2scm ("glyph-string"),
- scm_makfrom0str (ps_name),
+ scm_makfrom0str (ps_name.to_str0 ()),
scm_from_double (size),
ly_quote_scm (glyph_exprs));
}
else
{
- warning (_ ("FreeType face has no PostScript font name."));
- return Stencil();
+ warning (_ ("FreeType face has no PostScript font name"));
+ return Stencil ();
}
}
str.to_str0 (),
0, str.length (), attribute_list_,
NULL);
-
+
GList *ptr = items;
Stencil dest;
Real x = 0.0;
while (ptr)
{
- PangoItem *item = (PangoItem*) ptr->data;
+ PangoItem *item = (PangoItem *) ptr->data;
Stencil item_stencil = pango_item_string_stencil (item, str, x);
x = item_stencil.extent (X_AXIS)[RIGHT];
-
+
dest.add_stencil (item_stencil);
-
- ptr = ptr->next;
+
+ ptr = ptr->next;
}
/*
UGH. Should have flags per output format signifying supported
options.
- */
+ */
if (output_backend_global != "ps"
&& output_backend_global != "eps")
{
/*
For Pango based backends, we take a shortcut.
- */
+ */
+ char *descr_string = pango_font_description_to_string (pango_description_);
SCM exp
= scm_list_3 (ly_symbol2scm ("utf8-string"),
- scm_makfrom0str (pango_font_description_to_string (pango_description_)),
+ scm_makfrom0str (descr_string),
scm_makfrom0str (str.to_str0 ()));
+ g_free (descr_string);
Box b (Interval (0, 0), Interval (0, 0));
b.unite (dest.extent_box ());
return Stencil (b, exp);
}
-
+
#if 0
// check extents.
if (!dest.extent_box ()[X_AXIS].is_empty ())
{
- Stencil frame = Lookup::frame (dest.extent_box(), 0.1, 0.1);
+ Stencil frame = Lookup::frame (dest.extent_box (), 0.1, 0.1);
+ Box empty;
+ empty.set_empty ();
+ Stencil dimless_frame (empty, frame.expr ());
dest.add_stencil (frame);
}
#endif
return dest;
}
-
-SCM
+SCM
Pango_font::font_file_name () const
{
return SCM_BOOL_F;
}
-
#endif
-
-
-
-
-void test_pango()
-{
- int dpi = 1200;
-
- char * font_family = "Emmentaler";
- PangoContext * pango_context =
- pango_ft2_get_context (dpi, dpi);
- PangoFontDescription *font_description;
- font_description = pango_font_description_new ();
- pango_font_description_set_family (font_description, g_strdup (font_family));
- pango_font_description_set_style (font_description, (PangoStyle) 20);
- pango_context_set_font_description (pango_context, font_description);
-
-
- PangoAttrList *attr_list = pango_attr_list_new();
- char *str = "sfz";
- GList * items = pango_itemize (pango_context, str, 0, strlen(str),
- attr_list, NULL);
-
-
- GList * ptr = items;
- while (ptr)
- {
- PangoItem *item = (PangoItem*)ptr->data;
- printf( "off %d len %d num %d\n", item->offset, item->length, item->num_chars);
-
- PangoAnalysis paobj = item->analysis;
- PangoAnalysis * pa = &paobj;
-
- PangoFontDescription *descr = pango_font_describe (pa->font);
- // assert (font_description == descr);
- printf ("font descr string '%s' fname '%s'",
- pango_font_description_to_string (descr),
- pango_font_description_to_filename (descr)
- );
-
- printf ("type name %s\n", g_type_name (G_TYPE_FROM_INSTANCE(pa->font)));
- PangoFcFont * fcfont = G_TYPE_CHECK_INSTANCE_CAST(pa->font,
- PANGO_TYPE_FC_FONT,
- PangoFcFont);
-
- FcPattern *fcpat = fcfont->font_pattern;
- FcPatternPrint (fcpat);
- char *retval ="bla";
-
- FcPatternGetString(fcpat, FC_FILE, 0, (FcChar8 **) &retval);
- printf ("retval %s\n", retval);
-
- FT_Face ftface = pango_fc_font_lock_face (fcfont);
-
- printf ("shape %ux %s lang %ux font %ux languagae %ux\nft face %ux\n", pa->shape_engine,
- G_OBJECT_TYPE_NAME(pa->shape_engine),
- pa->lang_engine, pa->font, pa->language, ftface);
-
- PangoGlyphString *pgs = pango_glyph_string_new();
- pango_shape (str, strlen(str), pa, pgs);
-
- int i;
- for (i = 0; i < pgs->num_glyphs; i++)
- {
- PangoGlyphInfo *pgi = pgs->glyphs + i;
-
- PangoGlyph pg = pgi->glyph;
- PangoGlyphGeometry ggeo = pgi->geometry;
-
- printf ("c %d w %d x %d y %d\n", pg, ggeo.width, ggeo.x_offset,
- ggeo.y_offset );
-
- char str[1024];
- FT_Get_Glyph_Name (ftface, pg, str, 1024);
- printf ("glyph %s\n", str);
- }
- printf ("\nPS name %s\n", FT_Get_Postscript_Name (ftface));
-
- PangoRectangle r1;
- PangoRectangle r2;
-
- pango_glyph_string_extents (pgs, pa->font, &r1, &r2);
-
- ptr = ptr->next;
- printf ("\nnext item\n");
- }
-
-}