source file of the GNU LilyPond music typesetter
- (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2004--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#define PANGO_ENABLE_BACKEND // ugh, why necessary?
#include <pango/pangoft2.h>
+#include <freetype/ftxf86.h>
+
+#include <map>
/* Ugh. */
-#include "pango-font.hh"
+#include "pango-font.hh"
#include "dimensions.hh"
#include "file-name.hh"
-#include "lookup.hh"
+#include "international.hh"
+#include "lookup.hh" // debugging
#include "main.hh"
+#include "string-convert.hh"
#include "warn.hh"
+#include "all-font-metrics.hh"
+#include "program-option.hh"
#if HAVE_PANGO_FT2
#include "stencil.hh"
Pango_font::Pango_font (PangoFT2FontMap *fontmap,
- PangoFontDescription *description,
+ PangoFontDescription const *description,
Real output_scale)
{
(void) fontmap;
+
physical_font_tab_ = scm_c_make_hash_table (11);
PangoDirection pango_dir = PANGO_DIRECTION_LTR;
context_
= pango_ft2_get_context (PANGO_RESOLUTION, PANGO_RESOLUTION);
- // context_ = pango_ft2_font_map_create_context (fontmap);
pango_description_ = pango_font_description_copy (description);
attribute_list_ = pango_attr_list_new ();
}
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 ()));
+ ly_string2scm (ps_name),
+ ly_string2scm (filename));
}
void
scm_gc_mark (physical_font_tab_);
}
+
+void
+get_glyph_index_name (char *s, FT_ULong code)
+{
+ sprintf (s, "glyphIndex%lX", code);
+}
+
+void
+get_unicode_name (char*s, FT_ULong code)
+{
+ if (code > 0xFFFF)
+ sprintf (s, "u%lX", code);
+ else
+ sprintf (s, "uni%04lX", code);
+}
+
+
Stencil
-Pango_font::pango_item_string_stencil (PangoItem const *item, String str) const
+Pango_font::pango_item_string_stencil (PangoItem const *item, string str,
+ bool tight_bbox) const
{
const int GLYPH_NAME_LEN = 256;
char glyph_name[GLYPH_NAME_LEN];
PangoAnalysis const *pa = &(item->analysis);
PangoGlyphString *pgs = pango_glyph_string_new ();
-
- pango_shape (str.to_str0 () + item->offset,
+
+ pango_shape (str.c_str () + item->offset,
item->length, (PangoAnalysis*) pa, pgs);
PangoRectangle logical_rect;
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)));
+
+ PangoRectangle const *which_rect
+ = (tight_bbox)
+ ? &ink_rect
+ : &logical_rect;
+
+ Box b (Interval (PANGO_LBEARING (logical_rect),
+ PANGO_RBEARING (logical_rect)),
+ Interval (-PANGO_DESCENT (*which_rect),
+ PANGO_ASCENT (*which_rect)));
b.scale (scale_);
+ char const *ps_name_str0 = FT_Get_Postscript_Name (ftface);
+ FcPattern *fcpat = fcfont->font_pattern;
+ FcChar8 *file_name_as_ptr = 0;
+ FcPatternGetString (fcpat, FC_FILE, 0, &file_name_as_ptr);
+ string file_name;
+ if (file_name_as_ptr)
+ {
+ /* Normalize file name. */
+ file_name = File_name ((char const *)file_name_as_ptr).to_string ();
+ }
+
SCM glyph_exprs = SCM_EOL;
SCM *tail = &glyph_exprs;
+
+ Index_to_charcode_map const *cmap = 0;
+ bool has_glyph_names = ftface->face_flags & FT_FACE_FLAG_GLYPH_NAMES;
+ if (! has_glyph_names)
+ cmap = all_fonts_global->get_index_to_charcode_map (file_name, ftface);
+ bool is_ttf = string (FT_Get_X11_Font_Format (ftface)) == "TrueType";
bool cid_keyed = false;
for (int i = 0; i < pgs->num_glyphs; i++)
{
PangoGlyph pg = pgi->glyph;
PangoGlyphGeometry ggeo = pgi->geometry;
- FT_Get_Glyph_Name (ftface, pg, glyph_name, GLYPH_NAME_LEN);
+ glyph_name[0] = '\0';
+ if (has_glyph_names)
+ {
+ int errorcode = FT_Get_Glyph_Name (ftface, pg, glyph_name, GLYPH_NAME_LEN);
+ if (errorcode)
+ programming_error (_f ("FT_Get_Glyph_Name () error: %s",
+ freetype_error_string (errorcode).c_str ()
+ ));
+ }
+
+ SCM char_id = SCM_EOL;
+ if (glyph_name[0] == '\0'
+ && cmap
+ && is_ttf
+ && cmap->find (pg) != cmap->end ())
+ {
+ FT_ULong char_code = cmap->find (pg)->second;
+ get_unicode_name (glyph_name, char_code);
+ }
+
+ if (glyph_name[0] == '\0' && has_glyph_names)
+ {
+ programming_error (_f ("Glyph has no name, but font supports glyph naming.\n"
+ "Skipping glyph U+%0X, file %s",
+ pg,
+ file_name.c_str ()));
+ continue;
+ }
- SCM char_id;
+
+ if (glyph_name == string (".notdef") && is_ttf)
+ glyph_name[0] = '\0';
+
+ if (glyph_name[0] == '\0' && is_ttf)
+ {
+ // access by glyph index directly.
+ get_glyph_index_name (glyph_name, pg);
+ }
+
if (glyph_name[0] == '\0')
{
/*
CID entry
*/
cid_keyed = true;
- char_id = scm_from_int (pg);
+ char_id = scm_from_uint32 (pg);
}
else
- char_id = scm_makfrom0str (glyph_name);
+ char_id = scm_from_locale_string (glyph_name);
- *tail = scm_cons (scm_list_3 (scm_from_double (ggeo.x_offset * scale_),
+ *tail = scm_cons (scm_list_4 (scm_from_double (ggeo.width * scale_),
+ scm_from_double (ggeo.x_offset * scale_),
scm_from_double (ggeo.y_offset * scale_),
+
char_id),
SCM_EOL);
tail = SCM_CDRLOC (*tail);
}
+ pango_glyph_string_free (pgs);
+ pgs = 0;
PangoFontDescription *descr = pango_font_describe (pa->font);
Real size = pango_font_description_get_size (descr)
/ (Real (PANGO_SCALE));
- FcPattern *fcpat = fcfont->font_pattern;
- char *file_name_as_ptr = 0;
- FcPatternGetString (fcpat, FC_FILE, 0, (FcChar8 **) & file_name_as_ptr);
-
- String file_name;
- if (file_name_as_ptr)
- {
- /* Normalize file name. */
- file_name = File_name (file_name_as_ptr).to_string ();
- }
-
- char const *ps_name_str0 = FT_Get_Postscript_Name (ftface);
if (!ps_name_str0)
warning (_f ("no PostScript font name for font `%s'", file_name));
- String ps_name;
+ string ps_name;
if (!ps_name_str0
&& file_name != ""
- && (file_name.index (".otf") >= 0
- || file_name.index (".cff") >= 0))
+ && (file_name.find (".otf") != NPOS
+ || file_name.find (".cff") != NPOS))
{
/* UGH: kludge a PS name for OTF/CFF fonts. */
- String name = file_name;
- int idx = max (file_name.index (".otf"),
- file_name.index (".cff"));
-
- name = name.left_string (idx);
+ string name = file_name;
+ ssize idx = file_name.find (".otf");
+ if (idx == NPOS)
+ idx = file_name.find (".cff");
- int slash_idx = name.index_last ('/');
- if (slash_idx >= 0)
- name = name.right_string (name.length () - slash_idx - 1);
+ name = name.substr (0, idx);
- String initial = name.cut_string (0, 1);
- initial.to_upper ();
- name = name.nomid_string (0, 1);
- name.to_lower ();
+ ssize slash_idx = name.rfind ('/');
+ if (slash_idx != NPOS)
+ {
+ slash_idx ++;
+ name = name.substr (slash_idx,
+ name.length () - slash_idx);
+ }
+
+ string initial = name.substr (0, 1);
+ initial = String_convert::to_upper (initial);
+ name = name.substr (1, name.length () - 1);
+ name = String_convert::to_lower (name);
ps_name = initial + name;
}
else if (ps_name_str0)
pango_fc_font_unlock_face (fcfont);
SCM expr = scm_list_5 (ly_symbol2scm ("glyph-string"),
- scm_makfrom0str (ps_name.to_str0 ()),
+ ly_string2scm (ps_name),
scm_from_double (size),
scm_from_bool (cid_keyed),
ly_quote_scm (glyph_exprs));
return physical_font_tab_;
}
+
+Stencil
+Pango_font::word_stencil (string str) const
+{
+ return text_stencil (str, true);
+}
+
+Stencil
+Pango_font::text_stencil (string str) const
+{
+ return text_stencil (str, false);
+}
+
Stencil
-Pango_font::text_stencil (String str) const
+Pango_font::text_stencil (string str, bool tight) const
{
GList *items
= pango_itemize (context_,
- str.to_str0 (),
+ str.c_str (),
0, str.length (), attribute_list_,
NULL);
{
PangoItem *item = (PangoItem *) ptr->data;
- Stencil item_stencil = pango_item_string_stencil (item, str);
+ Stencil item_stencil = pango_item_string_stencil (item, str, tight);
if (text_dir == RIGHT)
{
dest.translate_axis (item_stencil.extent (X_AXIS)[RIGHT], X_AXIS);
}
-
#if 0 /* Check extents. */
if (!item_stencil.extent_box ()[X_AXIS].is_empty ())
{
UGH. Should have flags per output format signifying supported
options.
*/
- if (output_backend_global != "ps"
- && output_backend_global != "eps")
+ string name = get_output_backend_name ();
+ if (name != "ps" && name != "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 ("utf-8-string"),
- scm_makfrom0str (descr_string),
- scm_makfrom0str (str.to_str0 ()));
-
- g_free (descr_string);
+ ly_string2scm (description_string ()),
+ ly_string2scm (str));
Box b (Interval (0, 0), Interval (0, 0));
b.unite (dest.extent_box ());
return Stencil (b, exp);
}
+ g_list_free (items);
return dest;
}
+string
+Pango_font::description_string () const
+{
+ char *descr_string = pango_font_description_to_string (pango_description_);
+ string s (descr_string);
+ g_free (descr_string);
+ return s;
+}
+
+
SCM
Pango_font::font_file_name () const
{
projects / lilypond.git / blobdiff