/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2004--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 2004--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#define PANGO_ENABLE_BACKEND
#include <pango/pangoft2.h>
-#include <freetype/ftxf86.h>
+#include "freetype.hh"
+#include FT_XFREE86_H
#include <map>
#include <cstdio>
#include "dimensions.hh"
#include "file-name.hh"
#include "international.hh"
-#include "lookup.hh" // debugging
+#include "lookup.hh" // debugging
+#include "ly-module.hh"
#include "main.hh"
#include "string-convert.hh"
#include "warn.hh"
#include "all-font-metrics.hh"
#include "program-option.hh"
+#include "open-type-font.hh"
#if HAVE_PANGO_FT2
#include "stencil.hh"
-Pango_font::Pango_font (PangoFT2FontMap *fontmap,
- PangoFontDescription const *description,
- Real output_scale)
+Preinit_Pango_font::Preinit_Pango_font ()
{
- // This line looks stupid, but if we don't initialize physical_font_tab_ before
- // we allocate memory in scm_c_make_hash_table, then that could trigger a garbage
- // collection.
physical_font_tab_ = SCM_EOL;
+}
+
+Pango_font::Pango_font (PangoFT2FontMap *fontmap,
+ PangoFontDescription const *description,
+ Real output_scale)
+{
physical_font_tab_ = scm_c_make_hash_table (11);
PangoDirection pango_dir = PANGO_DIRECTION_LTR;
context_ = pango_context_new ();
// --hwn
output_scale_ = output_scale;
scale_ = INCH_TO_BP
- / (Real (PANGO_SCALE) * Real (PANGO_RESOLUTION) * output_scale);
+ / (Real (PANGO_SCALE) * Real (PANGO_RESOLUTION) * output_scale);
// ugh. Should make this configurable.
pango_context_set_language (context_, pango_language_from_string ("en_US"));
}
void
-Pango_font::register_font_file (string filename,
- string ps_name,
- int face_index)
+Pango_font::register_font_file (const string &filename,
+ const string &ps_name,
+ int face_index)
{
scm_hash_set_x (physical_font_tab_,
- ly_string2scm (ps_name),
- scm_list_2 (ly_string2scm (filename),
- scm_from_int (face_index)));
+ ly_string2scm (ps_name),
+ scm_list_2 (ly_string2scm (filename),
+ scm_from_int (face_index)));
+}
+
+size_t
+Pango_font::name_to_index (string nm) const
+{
+ PangoFcFont *fcfont = PANGO_FC_FONT (pango_context_load_font (context_, pango_description_));
+ FT_Face face = pango_fc_font_lock_face (fcfont);
+ char *nm_str = (char *) nm.c_str ();
+ if (FT_UInt idx = FT_Get_Name_Index (face, nm_str))
+ {
+ pango_fc_font_unlock_face (fcfont);
+ return (size_t) idx;
+ }
+
+ pango_fc_font_unlock_face (fcfont);
+ return (size_t) - 1;
}
void
void
get_glyph_index_name (char *s,
- FT_ULong code)
+ FT_ULong code)
{
sprintf (s, "glyphIndex%lX", code);
}
void
get_unicode_name (char *s,
- FT_ULong code)
+ FT_ULong code)
{
if (code > 0xFFFF)
sprintf (s, "u%lX", code);
sprintf (s, "uni%04lX", code);
}
+Box
+Pango_font::get_unscaled_indexed_char_dimensions (size_t signed_idx) const
+{
+ PangoFcFont *fcfont = PANGO_FC_FONT (pango_context_load_font (context_, pango_description_));
+ FT_Face face = pango_fc_font_lock_face (fcfont);
+ Box b = ly_FT_get_unscaled_indexed_char_dimensions (face, signed_idx);
+ pango_fc_font_unlock_face (fcfont);
+ return b;
+}
+
+Box
+Pango_font::get_scaled_indexed_char_dimensions (size_t signed_idx) const
+{
+ PangoFont *font = pango_context_load_font (context_, pango_description_);
+ PangoRectangle logical_rect;
+ PangoRectangle ink_rect;
+ pango_font_get_glyph_extents (font, signed_idx, &ink_rect, &logical_rect);
+ Box out (Interval (PANGO_LBEARING (ink_rect),
+ PANGO_RBEARING (ink_rect)),
+ Interval (-PANGO_DESCENT (ink_rect),
+ PANGO_ASCENT (ink_rect)));
+ out.scale (scale_);
+ return out;
+}
+
+Box
+Pango_font::get_glyph_outline_bbox (size_t signed_idx) const
+{
+ PangoFcFont *fcfont = PANGO_FC_FONT (pango_context_load_font (context_, pango_description_));
+ FT_Face face = pango_fc_font_lock_face (fcfont);
+ Box b = ly_FT_get_glyph_outline_bbox (face, signed_idx);
+ pango_fc_font_unlock_face (fcfont);
+ return b;
+}
+
+SCM
+Pango_font::get_glyph_outline (size_t signed_idx) const
+{
+ PangoFcFont *fcfont = PANGO_FC_FONT (pango_context_load_font (context_, pango_description_));
+ FT_Face face = pango_fc_font_lock_face (fcfont);
+ SCM s = ly_FT_get_glyph_outline (face, signed_idx);
+ pango_fc_font_unlock_face (fcfont);
+ return s;
+}
+
Stencil
Pango_font::pango_item_string_stencil (PangoGlyphItem const *glyph_item) const
{
pango_glyph_string_extents (pgs, pa->font, &ink_rect, &logical_rect);
PangoFcFont *fcfont = PANGO_FC_FONT (pa->font);
-
FT_Face ftface = pango_fc_font_lock_face (fcfont);
Box b (Interval (PANGO_LBEARING (logical_rect),
- PANGO_RBEARING (logical_rect)),
- Interval (-PANGO_DESCENT (ink_rect),
- PANGO_ASCENT (ink_rect)));
+ PANGO_RBEARING (logical_rect)),
+ Interval (-PANGO_DESCENT (ink_rect),
+ PANGO_ASCENT (ink_rect)));
b.scale (scale_);
- char const *ps_name_str0 = FT_Get_Postscript_Name (ftface);
+ const string ps_name_str0 = get_postscript_name (ftface);
FcPattern *fcpat = fcfont->font_pattern;
FcChar8 *file_name_as_ptr = 0;
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, face_index, ftface);
+ cmap = all_fonts_global->get_index_to_charcode_map (file_name, face_index, ftface);
bool is_ttf = string (FT_Get_X11_Font_Format (ftface)) == "TrueType";
bool cid_keyed = false;
PangoGlyphGeometry ggeo = pgi->geometry;
/*
- Zero-width characters are valid Unicode characters,
- but glyph lookups need to be skipped.
+ Zero-width characters are valid Unicode characters,
+ but glyph lookups need to be skipped.
*/
if (!(pg ^ PANGO_GLYPH_EMPTY))
- continue;
+ continue;
+
+ if (pg & PANGO_GLYPH_UNKNOWN_FLAG)
+ {
+ warning (_f ("no glyph for character U+%0X in font `%s'",
+ pg & ~PANGO_GLYPH_UNKNOWN_FLAG, file_name.c_str ()));
+ continue;
+ }
glyph_name[0] = '\0';
if (has_glyph_names)
- {
- FT_Error 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 ()));
- }
+ {
+ FT_Error 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);
- }
+ && 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;
- }
+ {
+ 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;
+ }
if (glyph_name == string (".notdef") && is_ttf)
- glyph_name[0] = '\0';
+ glyph_name[0] = '\0';
if (glyph_name[0] == '\0' && is_ttf)
- // Access by glyph index directly.
- get_glyph_index_name (glyph_name, pg);
+ // 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_uint32 (pg);
- }
+ {
+ // CID entry
+ cid_keyed = true;
+ char_id = scm_from_uint32 (pg);
+ }
else
- char_id = scm_from_locale_string (glyph_name);
-
- *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);
+ char_id = scm_from_utf8_string (glyph_name);
+
+ PangoRectangle logical_sub_rect;
+ PangoRectangle ink_sub_rect;
+
+ pango_glyph_string_extents_range (pgs, i, i + 1, pa->font, &ink_sub_rect, &logical_sub_rect);
+ Box b_sub (Interval (PANGO_LBEARING (logical_sub_rect),
+ PANGO_RBEARING (logical_sub_rect)),
+ Interval (-PANGO_DESCENT (ink_sub_rect),
+ PANGO_ASCENT (ink_sub_rect)));
+
+ b_sub.scale (scale_);
+
+ *tail = scm_cons (scm_list_5 (scm_from_double (b_sub[X_AXIS][RIGHT] - b_sub[X_AXIS][LEFT]),
+ scm_cons (scm_from_double (b_sub[Y_AXIS][DOWN]),
+ scm_from_double (b_sub[Y_AXIS][UP])),
+ scm_from_double (ggeo.x_offset * scale_),
+ scm_from_double (- ggeo.y_offset * scale_),
+ char_id),
+ SCM_EOL);
tail = SCM_CDRLOC (*tail);
}
-
+ pango_fc_font_unlock_face (fcfont);
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));
+ / (Real (PANGO_SCALE));
- if (!ps_name_str0)
+ if (ps_name_str0.empty ())
warning (_f ("no PostScript font name for font `%s'", file_name));
string ps_name;
- if (!ps_name_str0
+ if (ps_name_str0.empty ()
&& file_name != ""
&& (file_name.find (".otf") != NPOS
- || file_name.find (".cff") != NPOS))
+ || file_name.find (".cff") != NPOS))
{
// UGH: kludge a PS name for OTF/CFF fonts.
string name = file_name;
ssize idx = file_name.find (".otf");
if (idx == NPOS)
- idx = file_name.find (".cff");
+ idx = file_name.find (".cff");
name = name.substr (0, idx);
ssize slash_idx = name.rfind ('/');
if (slash_idx != NPOS)
- {
- slash_idx ++;
- name = name.substr (slash_idx,
- name.length () - slash_idx);
- }
+ {
+ slash_idx++;
+ name = name.substr (slash_idx,
+ name.length () - slash_idx);
+ }
string initial = name.substr (0, 1);
initial = String_convert::to_upper (initial);
name = String_convert::to_lower (name);
ps_name = initial + name;
}
- else if (ps_name_str0)
+ else if (!ps_name_str0.empty ())
ps_name = ps_name_str0;
if (ps_name.length ())
{
((Pango_font *) this)->register_font_file (file_name,
- ps_name,
- face_index);
- pango_fc_font_unlock_face (fcfont);
+ ps_name,
+ face_index);
- SCM expr = scm_list_5 (ly_symbol2scm ("glyph-string"),
- ly_string2scm (ps_name),
- scm_from_double (size),
- scm_from_bool (cid_keyed),
- ly_quote_scm (glyph_exprs));
+ SCM expr = scm_list_n (ly_symbol2scm ("glyph-string"),
+ self_scm (),
+ ly_string2scm (ps_name),
+ scm_from_double (size),
+ scm_from_bool (cid_keyed),
+ ly_quote_scm (glyph_exprs),
+ SCM_UNDEFINED);
return Stencil (b, expr);
}
Stencil
Pango_font::text_stencil (Output_def * /* state */,
- string str, bool music_string) const
+ const string &str,
+ bool music_string,
+ const string &features_str) const
{
/*
The text assigned to a PangoLayout is automatically divided
Bidirectional Algorithm, if necessary.
*/
PangoLayout *layout = pango_layout_new (context_);
+
+ if (!features_str.empty())
+ {
+#if HAVE_PANGO_FT2_WITH_OTF_FEATURE
+ PangoAttrList *list = pango_attr_list_new();
+ PangoAttribute *features_attr = pango_attr_font_features_new(features_str.c_str());
+ pango_attr_list_insert(list, features_attr);
+ pango_layout_set_attributes(layout, list);
+ pango_attr_list_unref(list);
+#else
+ warning (_f ("OpenType font feature `%s' cannot be used "
+ "since this binary is configured without the feature.",
+ features_str.c_str ()));
+#endif
+ }
+
pango_layout_set_text (layout, str.c_str (), -1);
GSList *lines = pango_layout_get_lines (layout);
GSList *layout_runs = line->runs;
for (GSList *p = layout_runs; p; p = p->next)
- {
- PangoGlyphItem *item = (PangoGlyphItem *) p->data;
- Stencil item_stencil = pango_item_string_stencil (item);
+ {
+ PangoGlyphItem *item = (PangoGlyphItem *) p->data;
+ Stencil item_stencil = pango_item_string_stencil (item);
- item_stencil.translate_axis (last_x, X_AXIS);
- last_x = item_stencil.extent (X_AXIS)[RIGHT];
+ item_stencil.translate_axis (last_x, X_AXIS);
+ last_x = item_stencil.extent (X_AXIS)[RIGHT];
#if 0 // Check extents.
- if (!item_stencil.extent_box ()[X_AXIS].is_empty ())
- {
- Stencil frame = Lookup::frame (item_stencil.extent_box (), 0.1, 0.1);
- Box empty;
- empty.set_empty ();
- Stencil dimless_frame (empty, frame.expr ());
- dest.add_stencil (frame);
- }
+ if (!item_stencil.extent_box ()[X_AXIS].is_empty ())
+ {
+ Stencil frame = Lookup::frame (item_stencil.extent_box (), 0.1, 0.1);
+ Box empty;
+ empty.set_empty ();
+ Stencil dimless_frame (empty, frame.expr ());
+ dest.add_stencil (frame);
+ }
#endif
- dest.add_stencil (item_stencil);
- }
+ dest.add_stencil (item_stencil);
+ }
}
string name = get_output_backend_name ();
{
SCM utf8_string = ly_module_lookup (mod, ly_symbol2scm ("utf-8-string"));
/*
- has_utf8_string should only be true when utf8_string is a
- variable that is bound to a *named* procedure, i.e. not a
- lambda expression.
+ has_utf8_string should only be true when utf8_string is a
+ variable that is bound to a *named* procedure, i.e. not a
+ lambda expression.
*/
- if (utf8_string != SCM_BOOL_F
- && scm_procedure_name (SCM_VARIABLE_REF (utf8_string)) != SCM_BOOL_F)
- has_utf8_string = true;
+ if (scm_is_true (utf8_string)
+ && scm_is_true (scm_procedure_name (SCM_VARIABLE_REF (utf8_string))))
+ has_utf8_string = true;
}
bool to_paths = music_strings_to_paths;
{
// For Pango based backends, we take a shortcut.
SCM exp = scm_list_3 (ly_symbol2scm ("utf-8-string"),
- ly_string2scm (description_string ()),
- ly_string2scm (str));
+ ly_string2scm (description_string ()),
+ ly_string2scm (str));
Box b (Interval (0, 0), Interval (0, 0));
b.unite (dest.extent_box ());
projects / lilypond.git / blobdiff