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* Drop deprecated instance private data APIEmmanuele Bassi2018-08-301-6/+3
| | | | | | | GLib 2.58 deprecated g_type_class_add_private(), at long last. Use the G_ADD_PRIVATE macro, and the generated instance private data getter function.
* layout/renderer: Don't heap-allocate short lived layout iteratorsTimm Bäder2017-10-271-7/+8
| | | | | | | Use the new _pango_layout_get_iter and _pango_layout_iter_destroy instead. https://bugzilla.gnome.org/show_bug.cgi?id=788643
* Drop an questionable G_UNLIKELYMatthias Clasen2017-06-301-1/+1
| | | | Owen and I agreed that this doesn't look right.
* Don't throw away text prematurelyMatthias Clasen2017-06-301-1/+1
| | | | | | | | | | | When calling into cairo to render glyphs, we want to use show_text_glyphs and pass the text along, if the surface supports that operation. But here, we throw the text away prematurely and end up always end passing no text or clusters down to cairo. https://bugzilla.gnome.org/show_bug.cgi?id=784394
* pango/pango-renderer.c: Fix BuildChun-wei Fan2015-09-041-2/+2
| | | | | Some compilers insist on using a number for a guint16 return type, and does not like using NULL in place of 0, so fix this.
* Add alpha support to PangoRendererMatthias Clasen2015-08-111-0/+70
| | | | | | Add pango_renderer_get/set_alpha to allow associating alpha values with the various colors. The alpha is stored as a value between 0 and 65536, with 0 meaning 'unset'.
* Add many missing nullability annotations.Evan Nemerson2014-10-161-11/+10
| | | | https://bugzilla.gnome.org/show_bug.cgi?id=731022
* Revert "Fix leftover markup in docs"Matthias Clasen2014-08-301-1/+1
| | | | This reverts commit 19a252d9a3d63e7816f9a77bab65bd161675440a.
* Fix leftover markup in docsMatthias Clasen2014-08-301-1/+1
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* TypoBehdad Esfahbod2014-05-081-1/+1
| | | | Oops
* Bug 729840 - Missing annotation for get_colorBehdad Esfahbod2014-05-081-2/+2
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* More churnBehdad Esfahbod2012-08-281-1/+1
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* introspection: assorted fixes to avoid regressions in Vala bindingsEvan Nemerson2012-08-121-2/+2
| | | | https://bugzilla.gnome.org/show_bug.cgi?id=681423
* Bug 652841 - Various pieces of dead code found by gcc/clang static analyzerBehdad Esfahbod2011-06-171-1/+0
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* Stop using G_CONST_RETURN in PangoRyan Lortie2011-06-091-1/+1
| | | | | | | G_CONST_RETURN is headed for deprecation (as per bug #644611). Stop using it in Pango. https://bugzilla.gnome.org/show_bug.cgi?id=652202
* pango/pango-renderer.c: parent_class is already defined in ↵Javier Jardón2011-04-301-5/+1
| | | | G_DEFINE_ABSTRACT_TYPE
* Fixing (transfer none) introspection annotation for the return value in ↵Alberto Ruiz2011-04-251-1/+1
| | | | pango_renderer_get_layout
* adding allow-none introspection metadata to pango_renderer_set_matrixAlberto Ruiz2011-04-251-1/+1
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* adding allow-none introspection metadata to pango_renderer_set_colorAlberto Ruiz2011-04-251-1/+1
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* adding allow-none introspection metadata to pango_renderer_draw_glyph_itemAlberto Ruiz2011-04-251-1/+1
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* Bug 560792 – Make PangoLayoutLine with line->layout==NULL renderableBehdad Esfahbod2009-01-281-15/+21
| | | | | | | | | | | | 2009-01-28 Behdad Esfahbod <behdad@gnome.org> Bug 560792 – Make PangoLayoutLine with line->layout==NULL renderable * pango/pango-renderer.c (pango_renderer_draw_layout_line), (pango_renderer_draw_glyph_item), (pango_renderer_set_matrix): Handle line->layout == NULL. svn path=/trunk/; revision=2814
* Bug 469049 – Fix all compiler warningsBehdad Esfahbod2008-12-261-13/+12
| | | | | | | | | | | | | | | | | | | | | 2008-12-25 Behdad Esfahbod <behdad@gnome.org> Bug 469049 – Fix all compiler warnings * pango-view/viewer-pangocairo.c (render_callback): * pango/fonts.c (append_field), (pango_font_description_to_string): * pango/opentype/harfbuzz-dump.c: * pango/pango-bidi-type.c (pango_log2vis_get_embedding_levels): * pango/pango-coverage.c (pango_coverage_set): * pango/pango-markup.c (span_parse_func): * pango/pango-renderer.c (pango_renderer_default_draw_error_underline): * pango/pango-utils.c (pango_scan_string): * pango/pangocairo-render.c (pango_cairo_renderer_draw_trapezoid), (draw_error_underline), (pango_cairo_renderer_class_init): Fix all the remaining warnings. svn path=/trunk/; revision=2767
* Fix warnings.Behdad Esfahbod2008-12-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2008-12-25 Behdad Esfahbod <behdad@gnome.org> * pango/break.c (pango_default_break): * pango/fonts.c (find_field_any), (pango_font_class_init), (pango_font_init), (pango_font_metrics_ref), (pango_font_metrics_unref), (pango_font_family_class_init), (pango_font_family_init), (pango_font_face_class_init), (pango_font_face_init): * pango/pango-attributes.c (pango_attr_list_ref), (pango_attr_list_unref), (pango_attr_iterator_get_font): * pango/pango-layout.c (pango_layout_set_height), (extents_free), (no_shape_filter_func), (pango_layout_line_ref), (pango_layout_line_unref), (pango_layout_get_item_properties): * pango/pango-markup.c (end_element_handler), (text_handler), (b_parse_func), (big_parse_func), (span_parse_func), (i_parse_func), (markup_parse_func), (s_parse_func), (sub_parse_func), (sup_parse_func), (small_parse_func), (tt_parse_func), (u_parse_func): * pango/pango-ot-info.c (get_glyph_class): * pango/pango-renderer.c (get_item_properties), (pango_renderer_default_prepare_run): * pango/pango-utils.c (_pango_shape_shape): * pango/pangocairo-fcfontmap.c (pango_cairo_fc_font_map_get_font_type), (pango_cairo_fc_font_map_context_substitute), (pango_cairo_fc_font_map_context_key_get), (pango_cairo_fc_font_map_context_key_copy), (pango_cairo_fc_font_map_context_key_free), (pango_cairo_fc_font_map_context_key_hash), (pango_cairo_fc_font_map_context_key_equal): * pango/pangocairo-fontmap.c (pango_cairo_font_map_new_for_font_type), (pango_cairo_font_map_set_default): * pango/pangocairo-render.c (pango_cairo_renderer_init): * pango/pangox-fontcache.c (free_cache_entry): * pango/pangox-fontmap.c (close_display_cb), (list_families_foreach), (pango_x_font_map_load_font), (ignore_error): * pango/pangox.c (average_width_foreach), (subfonts_foreach), (pango_x_font_find_shaper), (pango_x_get_unknown_glyph), (pango_x_get_item_properties), (pango_x_apply_ligatures), (pango_x_font_get_unknown_glyph): * pango/pangoxft-fontmap.c (pango_xft_font_map_init), (close_display_cb): * pango/querymodules.c (show_version): Fix warnings. svn path=/trunk/; revision=2765
* Bug 563803 – pango_renderer_finalize fails to call parent finalizeBehdad Esfahbod2008-12-091-12/+24
| | | | | | | | | | | | | | | | 2008-12-09 Behdad Esfahbod <behdad@gnome.org> Bug 563803 – pango_renderer_finalize fails to call parent finalize * pango/pango-renderer.c (pango_renderer_class_init), (pango_renderer_finalize): Call parent finalize. * pango/pango-renderer.c (add_strikethrough), (pango_renderer_default_draw_glyph_item), (pango_renderer_default_draw_error_underline): Clean up a bit. svn path=/trunk/; revision=2755
* Improve docs.Behdad Esfahbod2008-08-061-1/+1
| | | | svn path=/trunk/; revision=2677
* New public API:Behdad Esfahbod2008-08-061-3/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | 2008-07-30 Behdad Esfahbod <behdad@gnome.org> * docs/pango-sections.txt: * docs/tmpl/pango-renderer.sgml: * pango/pango-renderer.c: * pango/pango-renderer.h: New public API: PangoRenderer::draw_glyph_item() pango_renderer_draw_glyph_item() Make layout and layout-line default renderers go through draw_glyph_item(), which then by default falls back to draw_glyphs(). The advantage in draw_glyph_item() is that it has access to the text and cluster information. * pango/pangocairo.h: * pango/pangocairo-render.c: New public API: pango_cairo_show_glyph_item() svn path=/trunk/; revision=2674
* Include "config.h" instead of <config.h> Command used: find -nameJohan Dahlin2008-06-221-1/+1
| | | | | | | | | | | | 2008-06-21 Johan Dahlin <jdahlin@async.com.br> * *.[ch]: Include "config.h" instead of <config.h> Command used: find -name \*.[ch]|xargs perl -p -i -e 's/^#include <config.h>/#include "config.h"/g' Rubberstamped by Behdad svn path=/trunk/; revision=2657
* Bug 472629 – Add pango_renderer_get_layout(_line)Behdad Esfahbod2007-10-241-0/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | 2007-10-24 Behdad Esfahbod <behdad@gnome.org> Bug 472629 – Add pango_renderer_get_layout(_line) * pango/pango-renderer.h: * pango/pango-renderer.c: New public API: pango_renderer_get_layout() pango_renderer_get_layout_line() * pango/pangocairo-render.c (pango_cairo_renderer_draw_shape), (release_renderer), (_pango_cairo_do_layout_line), (_pango_cairo_do_layout): Use above API to simplify shape_renderer implementation. * pango/pango.def: * docs/pango-sections.txt: * docs/tmpl/pango-renderer.sgml: Update. svn path=/trunk/; revision=2460
* Bug 468953 – pango-renderer.c: using function without prototypeBehdad Esfahbod2007-08-211-0/+1
| | | | | | | | | | | 2007-08-21 Behdad Esfahbod <behdad@gnome.org> Bug 468953 – pango-renderer.c: using function without prototype * pango/pango-renderer.c: #include <pango-impl-utils.h> svn path=/trunk/; revision=2412
* Bug 467056 – Shape attribute handling is not consistentBehdad Esfahbod2007-08-151-3/+7
| | | | | | | | | | | | | | | | | | | 2007-08-15 Behdad Esfahbod <behdad@gnome.org> Bug 467056 – Shape attribute handling is not consistent * pango/pango-impl-utils.h: * pango/pango-layout.c (pango_layout_line_index_to_x), (shape_run), (pango_layout_line_x_to_index), (pango_layout_run_get_extents), (update_run): * pango/pango-renderer.c (pango_renderer_draw_layout_line): * pango/pango-utils.c (_pango_shape_shape), (_pango_shape_get_extents): Fix handling of extents for shaped runs. Previsouly a shaped run with more than one character was not correctly positioned. svn path=/trunk/; revision=2401
* Fix various typos reported by Peter Moulder.Behdad Esfahbod2007-06-031-1/+1
| | | | | | | | | | | | | 2007-06-03 Behdad Esfahbod <behdad@gnome.org> * docs/tmpl/main.sgml: * pango/pango-layout.c (process_item): * pango/pango-ot-info.c: * pango/pango-renderer.c (pango_renderer_draw_layout_line): Fix various typos reported by Peter Moulder. svn path=/trunk/; revision=2329
* Move PANGO_UNITS_ROUND here... ...from here.Behdad Esfahbod2007-04-301-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2007-04-30 Behdad Esfahbod <behdad@gnome.org> * pango/pango-types.h: Move PANGO_UNITS_ROUND here... * pango/pangofc-private.h: ...from here. * pango/pango-gravity.c: Document that pango_gravity_to_rotation() returns angle in radians but pango_matrix_rotate() takes degrees. * pango/pango-layout.c (pango_layout_run_get_extents): * pango/pango-renderer.c (pango_renderer_draw_layout_line): Retain metrics hinting when centering baseline (used for Latin, etc in vertical mode). * pango/pangocairo-fcfont.c (pango_cairo_fc_font_get_metrics), (pango_cairo_fc_font_glyph_extents_cache_init): Respect metrics hinting setting when moving glyphs around for vertical writing. * pango/pangocairo-fcfont.c (_pango_cairo_fc_font_new): Apply the gravity rotation before the pattern's matrix, such that vertical text gets correct italic direction. * pango/pangocairo-font.c (_pango_cairo_font_get_hex_box_info): Make hexbox font inherit most properties from the current font. That is, bold hexbox digits for a bold font, etc. svn path=/trunk/; revision=2238
* *.c, *.h: Replace preceding sequences of 8 spaces with tabs.Behdad Esfahbod2007-01-161-6/+6
| | | | | | | | | 2007-01-16 Behdad Esfahbod <behdad@gnome.org> *.c, *.h: Replace preceding sequences of 8 spaces with tabs. svn path=/trunk/; revision=2165
* *.c, *.h: Drop trailing whitespace.Behdad Esfahbod2007-01-161-72/+72
| | | | | | | | | 2007-01-16 Behdad Esfahbod <behdad@gnome.org> *.c, *.h: Drop trailing whitespace. svn path=/trunk/; revision=2163
* Fix background rendering being off in presence of rise attributes.Behdad Esfahbod2007-01-161-1/+1
| | | | | | | | | | 2007-01-16 Behdad Esfahbod <behdad@gnome.org> * pango/pango-renderer.c (pango_renderer_draw_layout_line): Fix background rendering being off in presence of rise attributes. svn path=/trunk/; revision=2148
* Don't introduce bitfields in public struct and rename PangoAnalysis.Behdad Esfahbod2007-01-081-2/+2
| | | | | | | | | | | | | | | | | | 2007-01-08 Behdad Esfahbod <behdad@gnome.org> * docs/pango-sections.txt: * docs/tmpl/glyphs.sgml: * docs/tmpl/main.sgml: * pango/pango-context.c (itemize_state_add_character): * pango/pango-item.h: * pango/pango-layout.c (pango_layout_run_get_extents): * pango/pango-renderer.c (pango_renderer_draw_layout_line): Don't introduce bitfields in public struct and rename PangoAnalysis. centered_baseline to PangoAnalysis.flags and introduce PANGO_ANALYSIS_FLAGS_CENTERED_BASELINE. svn path=/trunk/; revision=2134
* Spell-check the docs.Behdad Esfahbod2007-01-071-2/+2
| | | | svn path=/trunk/; revision=2130
* Add new functions: pango_layout_iter_get_line_readonly()Behdad Esfahbod2006-12-051-2/+1
| | | | | | | | | | | | | | | | | | | | | | | 2006-12-05 Behdad Esfahbod <behdad@gnome.org> * docs/pango-sections.txt: * docs/tmpl/layout.sgml: * pango/pango-layout.c (pango_layout_get_lines_readonly), (pango_layout_get_line_readonly), (pango_layout_iter_get_run_readonly), (_pango_layout_iter_get_line), (pango_layout_iter_get_line), (pango_layout_iter_get_line_readonly): * pango/pango-layout.h: * pango/pango-renderer.c (pango_renderer_draw_layout): * pango/pango.def: Add new functions: pango_layout_iter_get_line_readonly() pango_layout_get_lines_readonly() pango_layout_iter_get_line_readonly() pango_layout_iter_get_run_readonly() These should be used when you do not intend to modify the run/line, which is more than most of the time. So, update your app, benefit from more optimizations (in this case, line extents caching)!
* Bug 135683 – Cache glyphstring extentsBehdad Esfahbod2006-12-041-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | 2006-12-04 Behdad Esfahbod <behdad@gnome.org> Bug 135683 – Cache glyphstring extents * pango/pango-layout.c (pango_layout_get_lines), (pango_layout_get_line), (pango_layout_line_leaked), (pango_layout_line_get_extents), (pango_layout_line_new), (pango_layout_iter_get_run), (pango_layout_iter_get_line): Cache line extents. Line extents are cached only if the user doesn't have a pointer to the line or any of its runs. Functions that give away such pointers mark the line as "leak"ed. * pango/pango-layout.c (pango_layout_index_to_line_and_extents), (pango_layout_xy_to_index), (pango_layout_index_to_pos): Use _pango_layout_iter_get_line() which is like pango_layout_iter_get_line() but doesn't leak the line. * pango/pango-layout-private.h: Add pango_layout_iter_get_line() duplicate _pango_layout_iter_get_line_readonly() that doesn't leak the line. * pango/pango-renderer.c (pango_renderer_draw_layout): Use _pango_layout_iter_get_line_readonly().
* Replace PANGO_IS_RENDERER with PANGO_IS_RENDERER_FAST that is just aBehdad Esfahbod2006-12-041-13/+14
| | | | | | | | | | | | | | 2006-12-04 Behdad Esfahbod <behdad@gnome.org> * pango/pango-renderer.c (pango_renderer_draw_layout_line), (pango_renderer_draw_glyphs), (pango_renderer_draw_rectangle), (pango_renderer_draw_error_underline), (pango_renderer_draw_trapezoid), (pango_renderer_draw_glyph), (pango_renderer_activate), (pango_renderer_deactivate), (pango_renderer_set_color), (pango_renderer_get_color), (pango_renderer_part_changed), (pango_renderer_prepare_run), (pango_renderer_set_matrix): Replace PANGO_IS_RENDERER with PANGO_IS_RENDERER_FAST that is just a NULL-check.
* Don't call into pango_glyph_string_extents() if we don't need anything outBehdad Esfahbod2006-11-301-2/+3
| | | | | | | | | 2006-11-30 Behdad Esfahbod <behdad@gnome.org> * pango/pango-renderer.c (pango_renderer_draw_layout_line): Don't call into pango_glyph_string_extents() if we don't need anything out of it! (Ok, that function returns immediately in that case, but still, avoiding the call overhead.)
* Bug 355435 – Invalid calls to pango_map_get_engine() Patch fromBehdad Esfahbod2006-09-111-1/+0
| | | | | | | | | | | | | | 2006-09-11 Behdad Esfahbod <behdad@gnome.org> Bug 355435 – Invalid calls to pango_map_get_engine() Patch from Theppitak Karoonboonyanan * pango/break.c (pango_get_log_attrs): * pango/pango-renderer.c (add_underline): * pango/pangofc-font.c (pango_fc_font_find_shaper): * pango/pangowin32.c (pango_win32_font_find_shaper): * pango/pangox.c (pango_x_font_find_shaper): Pass a PangoScript to pango_map_get_engine, not a gunichar!
* Bug 347146 – underline/overstrike spacesBehdad Esfahbod2006-09-111-13/+17
| | | | | | | | | | | | | | | | | 2006-09-11 Behdad Esfahbod <behdad@gnome.org> Bug 347146 – underline/overstrike spaces * pango/pango-renderer.c (add_underline), (add_strikethrough), (pango_renderer_draw_layout_line): Use logical extents for x and width of underline/strikethrough, such that trailing spaces are correctly handled. * pango/pango-layout.c (pango_layout_run_get_extents): Use logical rect for underline/strikethrough, and reflect that in run ink extents. * pango/pango-layout.c (pango_layout_line_get_extents): Don't let runs with empty ink extents affect total ink extents.
* Return if none of logical_rect or ink_rect is non-NULL.Behdad Esfahbod2006-08-161-4/+17
| | | | | | | | | | | | | | | | | | | | | | 2006-08-15 Behdad Esfahbod <behdad@gnome.org> * pango/pango-layout.c (pango_layout_run_get_extents): * pango/glyphstring.c (pango_glyph_string_extents_range): Return if none of logical_rect or ink_rect is non-NULL. * pango/pango-item.h (PangoAnalysis): Add new member centered_baseline which if set, makes item rendered such that ascent == descent. * pango/pango-context.c (itemize_state_init), (itemize_state_add_character): * pango/pango-renderer.c (pango_renderer_draw_layout_line): Implement centered_baseline. * pango/pangocairo-fcfont.c (pango_cairo_fc_font_get_metrics): When adjusting ascent/descent for vertical fonts, adjust strikethrough and underline position too. * docs/tmpl/main.sgml: Document new struct member.
* Fix silly error in implementation of pango_glyph_string_get_width(), andBehdad Esfahbod2006-07-081-1/+1
| | | | | | | | | | | | 2006-07-08 Behdad Esfahbod <behdad@gnome.org> * pango/glyphstring.c (pango_glyph_string_get_width): * pango/pango-glyph.h: * pango/pango-layout.c (pango_layout_line_index_to_x), (pango_layout_line_x_to_index), (pango_layout_line_get_x_ranges): * pango/pango-renderer.c (pango_renderer_draw_layout_line): Fix silly error in implementation of pango_glyph_string_get_width(), and also remove unused font parameter from its signature.
* Part of Bug 135683 – Cache glyphstring extentsBehdad Esfahbod2006-07-081-17/+13
| | | | | | | | | | | | | | | | | | 2006-07-08 Behdad Esfahbod <behdad@gnome.org> Part of Bug 135683 – Cache glyphstring extents * docs/pango-sections.txt: * docs/tmpl/glyphs.sgml: * pango/pango.def: * pango/pango-glyph.h: * pango/glyphstring.c (pango_glyph_string_get_width): New function. Much faster than calling pango_glyph_string_extents and using logical_rect.width. * pango/pango-renderer.c (add_underline), (add_strikethrough), (pango_renderer_draw_layout_line): Use the new function for optimization.
* Followup on previous change.Behdad Esfahbod2006-06-061-0/+6
| | | | | | | | | | | | | | | | | 2006-06-06 Behdad Esfahbod <behdad@gnome.org> Followup on previous change. * pango/pango-renderer.c: Note that pango_renderer_draw_rectangle and pango_renderer_draw_error_underline should be called with active renderer. * pango/pangocairo-render.c (pango_cairo_renderer_draw_glyphs), (_pango_cairo_do_glyph_string), (_pango_cairo_do_layout_line), (_pango_cairo_do_layout): Remove excess cairo_save/restore() calls. * pango/pangocairo-render.c (_pango_cairo_do_error_underline): Don't go through renderer.
* Minor.Behdad Esfahbod2006-05-301-3/+2
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* Bug 330795 – pango_renderer_draw_glyph segfaults when trying to call theBehdad Esfahbod2006-02-111-4/+6
| | | | | | | | | | | 2006-02-11 Behdad Esfahbod <behdad@gnome.org> Bug 330795 – pango_renderer_draw_glyph segfaults when trying to call the class vfunc Opened by Torsten Schoenfeld * pango/pango-renderer.c (pango_renderer_draw_trapezoid, pango_renderer_draw_glyph): Bail if method is not implemented.
* Finish the 'glyph 0' work of this morning: PANGO_GLYPH_NULL that IBehdad Esfahbod2006-02-031-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2006-02-02 Behdad Esfahbod <behdad@gnome.org> Finish the 'glyph 0' work of this morning: PANGO_GLYPH_NULL that I introduced is renamed to PANGO_GLYPH_EMPTY. It means, no rendering should be performed. The backends however, still return 0 if a glyph is not found. The modules then are free to replace this 0 glyph with an unknown character. * modules/arabic/arabic-fc.c, modules/basic/basic-atsui.c, modules/basic/basic-fc.c, modules/basic/basic-win32.c, modules/basic/basic-x.c, modules/hangul/hangul-fc.c, modules/hebrew/hebrew-fc.c, modules/indic/indic-fc.c, modules/khmer/khmer-fc.c, modules/syriac/syriac-fc.c, modules/thai/thai-fc.c, modules/tibetan/tibetan-fc.c, pango/pangox.c, pango/pangowin32.c: Adapt to above change. Backends return 0 if glyph not found. * pango/fonts.c (pango_font_get_glyph_extents): If font is not usable (!PANGO_IS_FONT (font)), return the generic UNKNOWN_GLYPH metrics. This is used when your backends are misconfigured and you don't find *any* font at all. * pango/pango-engince.c: Add unknown glyphs in fallback shaper, instead of empty glyphs. * pango/shape.c: Call the fall-back shaper if shaper fails, instead of generating a dummy glyph string ourselves. * pango/pango-layout.c (imposed_shape, shape_tab): Use PANGO_GLYPH_EMPTY instead of glyph 0. * pango/pango-renderer.c (pango_renderer_draw_glyph): No-op on PANGO_GLYPH_EMPTY instead of glyph 0. * pango/pangocairo-atsuifont.c, pango/pangocairo-win32font.c, pango/pangocairo-fcfont.c, pango/pangocairo-font.c, pango/pangocairo-private.h: install_font returns a boolean now. * pango/pangocairo-render.c, pango/pangoxft-render.c: Handle font and hex-box failures more gracefully by drawing a generic unknown-box glyph. * pango/pangoft2.c, pango/pangoft2-render.c: Draw the generic unknown-box glyph here too. For unknown glyphs though, if the font is TTF (FT_IS_SFNT), use the zero-indexed glyph, otherwise, draw a box of proper size.
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