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Unified Diff: lily/pango-font.cc

Issue 5626052: Gets vertical skylines from grob stencils (Closed)
Patch Set: Run astyle on c++ files Created 11 years, 7 months ago
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Index: lily/pango-font.cc
diff --git a/lily/pango-font.cc b/lily/pango-font.cc
index 32e7a89c024677b2473fb6443364b5840d7f6236..a1d3024abbd6c3e6628d505bf7f2344217dcf0c2 100644
--- a/lily/pango-font.cc
+++ b/lily/pango-font.cc
@@ -91,6 +91,22 @@ Pango_font::register_font_file (string 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
Pango_font::derived_mark () const
{
@@ -114,6 +130,51 @@ get_unicode_name (char *s,
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
{
@@ -128,7 +189,6 @@ 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),
@@ -224,7 +284,20 @@ Pango_font::pango_item_string_stencil (PangoGlyphItem const *glyph_item) const
else
char_id = scm_from_locale_string (glyph_name);
- *tail = scm_cons (scm_list_4 (scm_from_double (ggeo.width * scale_),
+ 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),
@@ -277,13 +350,14 @@ Pango_font::pango_item_string_stencil (PangoGlyphItem const *glyph_item) const
((Pango_font *) this)->register_font_file (file_name,
ps_name,
face_index);
- pango_fc_font_unlock_face (fcfont);
- SCM expr = scm_list_5 (ly_symbol2scm ("glyph-string"),
+ 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));
+ ly_quote_scm (glyph_exprs),
+ SCM_UNDEFINED);
return Stencil (b, expr);
}
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