[HarfBuzz] Simplifying the hb-shape.cc example

[Kenichi Ishibashi]

You may want to define "HAVE_OT" if you use your custom makefile (see
configure.ac).

On Fri, Jan 6, 2012 at 4:40 PM, Nicolas Rougier <Nicolas.Rougier at inria.fr>wrote:

>
> Thanks for the quick answer. I will try to investigate a bit further to
> see if there are any errors.
> If anyone on the list can test the code and report results, that might be
> helpful as well.
>
> I'm attaching the Makefile I used to compile (removed all glib stuff,
> maybe this where the error is):
>
> Nicolas
>
> Makefile
> ======
>
> PLATFORM                = $(shell uname)
> CC                              = g++
> CFLAGS                  = -Wall `freetype-config --cflags`
> LIBS                    = `freetype-config --libs`
>
> SOURCES = main.cc \
>        hb-blob.cc hb-buffer.cc hb-common.cc hb-fallback-shape.cc
> hb-font.cc  \
>    hb-ft.cc hb-ot-layout.cc hb-ot-map.cc hb-ot-shape-complex-arabic.cc   \
>    hb-ot-shape-complex-indic.cc  hb-ot-shape-complex-misc.cc hb-shape.cc \
>    hb-ot-shape-normalize.cc hb-ot-shape.cc hb-ot-tag.cc hb-unicode.cc
>
> HEADERS = \
>    hb-buffer-private.hh hb-fallback-shape-private.hh hb-font-private.hh
>    \
>    hb-ot-shape-complex-arabic-table.hh hb-ot-shape-complex-indic-table.hh
>    \
>    hb-ot-shape-complex-private.hh hb-mutex-private.hh hb-object-private.hh
>   \
>    hb-open-file-private.hh hb-open-type-private.hh hb-ot-head-table.hh
>   \
>    hb-ot-hhea-table.hh hb-ot-hmtx-table.hh hb-ot-layout-common-private.hh
>    \
>    hb-ot-layout-gpos-table.hh hb-ot-layout-gsub-table.hh hb-unicode.h
>    \
>        hb-ot-layout-gsubgpos-private.hh hb-ot-layout-private.hh hb-shape.h
>       \
>        hb-ot-map-private.hh hb-ot-maxp-table.hh hb-ot-name-table.hh
> hb-blob.h    \
>    hb-private.hh hb-unicode-private.hh hb.h hb-buffer.h hb-version.h
> hb-ot.h \
>    hb-common.h hb-font.h hb-ft.h hb-ot-layout.h hb-ot-shape.h hb-ot-tag.h
>
> OBJECTS :=  $(SOURCES:.cc=.o)
>
> all: main
>
> main: $(OBJECTS)
>        $(CC) $(OBJECTS) $(LIBS) -o $@
>
> %.o : %.cc
>        @echo "$@..."
>        @$(CC) -c $(CFLAGS) $< -o $@
>
> clean:
>        @-rm -f glut-main
>        @-rm -f $(OBJECTS)
>
> distclean: clean
>        @-rm -f *~
>
>
>
> On Jan 5, 2012, at 23:07 , Behdad Esfahbod wrote:
>
> > On 01/05/2012 04:44 PM, Nicolas Rougier wrote:
> >>
> >> Hi,
> >>
> >> I've been trying to simplify the hb-shape.c example from the util
> directory in order to remove any glib dependencies and come up with source
> below ( ~50 lines) but it does not seem to work (no ligature for fi):
> >>
> >> $ hb-shape DejaVuSans.ttf "fi"
> >> <fi=0+1290>
> >>
> >> $ main DejaVuSans.ttf "fi"
> >> <f=0+721|i=2+569>
> >>
> >>
> >> Did I do something wrong ?
> >
> > The code looks fine.  I'm out of ideas.  Can you recompile harfbuzz with
> glib
> > and test the same code?
> >
> > behdad
> >
> >>
> >> Nicolas
> >>
> >>
> >> main.cc
> >> ======
> >>
> >> #include <stdio.h>
> >> #include <ft2build.h>
> >> #include FT_FREETYPE_H
> >> #include "hb-ft.h"
> >>
> >> int main( int argc, char **argv )
> >> {
> >>    const char *text = "fi";
> >>    char glyph_name[30];
> >>    size_t i;
> >>
> >>    FT_Library library;
> >>    FT_Face face;
> >>    FT_Init_FreeType( &library );
> >>    FT_New_Face( library, "./DejaVuSans.ttf", 0, &face );
> >>    FT_Set_Char_Size( face, (int)(32*64), 0, 72, 72 );
> >>
> >>    hb_font_t * font = hb_ft_font_create( face, 0 );
> >>    hb_ft_font_set_funcs( font );
> >>
> >>    hb_buffer_t * buffer = hb_buffer_create( );
> >>    hb_buffer_set_direction( buffer, HB_DIRECTION_LTR );
> >>    hb_buffer_add_utf8( buffer, text, strlen(text), 0, strlen(text) );
> >>    hb_shape( font, buffer, NULL, 0 );
> >>    unsigned int num_glyphs = hb_buffer_get_length (buffer);
> >>    hb_glyph_info_t* glyphs = hb_buffer_get_glyph_infos( buffer, 0 );
> >>    hb_glyph_position_t *pos = hb_buffer_get_glyph_positions( buffer, 0
> );
> >>    hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
> >>
> >>    for( i=0; i<num_glyphs; ++i )
> >>    {
> >>        if( i ) printf( "|" );
> >>        else    printf( "<" );
> >>        if (!FT_Get_Glyph_Name( face, glyphs[i].codepoint, glyph_name,
> sizeof (glyph_name) ))
> >>            printf( "%s", glyph_name );
> >>        else
> >>            printf( "%u", info->codepoint );
> >>        printf( "=%u", info->cluster );
> >>        if (pos->x_offset || pos->y_offset) {
> >>            printf("@");
> >>            if (pos->x_offset) printf ("%d", pos->x_offset);
> >>            if (pos->y_offset) printf (",%d", pos->y_offset);
> >>        }
> >>        if (pos->x_advance || pos->y_advance) {
> >>            printf ("+");
> >>            if (pos->x_advance) printf ("%d", pos->x_advance);
> >>            if (pos->y_advance) printf (",%d", pos->y_advance);
> >>        }
> >>        ++pos; ++info;
> >>    }
> >>    printf( ">\n" );
> >>
> >>    hb_font_destroy(font);
> >>    FT_Done_Face( face );
> >>    FT_Done_FreeType( library );
> >> }
> >>
> >>
> >> _______________________________________________
> >> HarfBuzz mailing list
> >> HarfBuzz at lists.freedesktop.org
> >> http://lists.freedesktop.org/mailman/listinfo/harfbuzz
> >>
>
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