Dust off Pango binding

db4
Slava Pestov 2009-02-26 02:31:24 -06:00
parent 91fff87c0f
commit 8ec3196d18
5 changed files with 213 additions and 0 deletions

14
basis/glib/glib.factor Normal file
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! Copyright (C) 2008 Matthew Willis.
! See http://factorcode.org/license.txt for BSD license
USING: alien.syntax alien.destructors ;
IN: glib
TYPEDEF: void* gpointer
FUNCTION: void
g_object_unref ( gpointer object ) ;
DESTRUCTOR: g_object_unref
FUNCTION: void
g_free ( gpointer mem ) ;

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! Copyright (C) 2008 Matthew Willis.
! See http://factorcode.org/license.txt for BSD license.
!
! pangocairo bindings, from pango/pangocairo.h
USING: cairo.ffi alien.c-types math alien.syntax system
combinators alien arrays pango pango.fonts ;
IN: pango.cairo
<< "pangocairo" {
{ [ os winnt? ] [ "libpangocairo-1.0-0.dll" ] }
{ [ os macosx? ] [ "libpangocairo-1.0.0.dylib" ] }
{ [ os unix? ] [ "libpangocairo-1.0.so" ] }
} cond "cdecl" add-library >>
LIBRARY: pangocairo
FUNCTION: PangoFontMap*
pango_cairo_font_map_new ( ) ;
FUNCTION: PangoFontMap*
pango_cairo_font_map_new_for_font_type ( cairo_font_type_t fonttype ) ;
FUNCTION: PangoFontMap*
pango_cairo_font_map_get_default ( ) ;
FUNCTION: cairo_font_type_t
pango_cairo_font_map_get_font_type ( PangoCairoFontMap* fontmap ) ;
FUNCTION: void
pango_cairo_font_map_set_resolution ( PangoCairoFontMap* fontmap, double dpi ) ;
FUNCTION: double
pango_cairo_font_map_get_resolution ( PangoCairoFontMap* fontmap ) ;
FUNCTION: PangoContext*
pango_cairo_font_map_create_context ( PangoCairoFontMap* fontmap ) ;
FUNCTION: cairo_scaled_font_t*
pango_cairo_font_get_scaled_font ( PangoCairoFont* font ) ;
! Update a Pango context for the current state of a cairo context
FUNCTION: void
pango_cairo_update_context ( cairo_t* cr, PangoContext* context ) ;
FUNCTION: void
pango_cairo_context_set_font_options ( PangoContext* context, cairo_font_options_t* options ) ;
FUNCTION: cairo_font_options_t*
pango_cairo_context_get_font_options ( PangoContext* context ) ;
FUNCTION: void
pango_cairo_context_set_resolution ( PangoContext* context, double dpi ) ;
FUNCTION: double
pango_cairo_context_get_resolution ( PangoContext* context ) ;
! Convenience
FUNCTION: PangoLayout*
pango_cairo_create_layout ( cairo_t* cr ) ;
FUNCTION: void
pango_cairo_update_layout ( cairo_t* cr, PangoLayout* layout ) ;
! Rendering
FUNCTION: void
pango_cairo_show_glyph_string ( cairo_t* cr, PangoFont* font, PangoGlyphString* glyphs ) ;
FUNCTION: void
pango_cairo_show_layout_line ( cairo_t* cr, PangoLayoutLine* line ) ;
FUNCTION: void
pango_cairo_show_layout ( cairo_t* cr, PangoLayout* layout ) ;
FUNCTION: void
pango_cairo_show_error_underline ( cairo_t* cr, double x, double y, double width, double height ) ;
! Rendering to a path
FUNCTION: void
pango_cairo_glyph_string_path ( cairo_t* cr, PangoFont* font, PangoGlyphString* glyphs ) ;
FUNCTION: void
pango_cairo_layout_line_path ( cairo_t* cr, PangoLayoutLine* line ) ;
FUNCTION: void
pango_cairo_layout_path ( cairo_t* cr, PangoLayout* layout ) ;
FUNCTION: void
pango_cairo_error_underline_path ( cairo_t* cr, double x, double y, double width, double height ) ;

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! Copyright (C) 2008 Matthew Willis.
! See http://factorcode.org/license.txt for BSD license
USING: pango alien.syntax alien.c-types kernel ;
IN: pango.fonts
LIBRARY: pango
FUNCTION: void
pango_font_map_list_families ( PangoFontMap* fontmap, PangoFontFamily*** families, int* n_families ) ;
FUNCTION: char*
pango_font_family_get_name ( PangoFontFamily* family ) ;
FUNCTION: int
pango_font_family_is_monospace ( PangoFontFamily* family ) ;
FUNCTION: void
pango_font_family_list_faces ( PangoFontFamily* family, PangoFontFace*** faces, int* n_faces ) ;
FUNCTION: char*
pango_font_face_get_face_name ( PangoFontFace* face ) ;
FUNCTION: void
pango_font_face_list_sizes ( PangoFontFace* face, int** sizes, int* n_sizes ) ;

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! Copyright (C) 2008 Matthew Willis.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays alien alien.c-types math destructors accessors
namespaces kernel pango pango.cairo cairo.ffi glib ;
IN: pango.layouts
: layout-dim ( layout -- dim )
0 <int> 0 <int> [ pango_layout_get_pixel_size ] 2keep
[ *int ] bi@ 2array ;
ERROR: bad-font name ;
: set-layout-font ( str layout -- )
swap dup pango_font_description_from_string
[ ] [ bad-font ] ?if
&pango_font_description_free
pango_layout_set_font_description ;
: set-layout-text ( str layout -- )
-1 pango_layout_set_text ;
: <layout> ( text font cairo -- layout )
[
pango_cairo_create_layout |g_object_unref
[ set-layout-font ] keep
[ set-layout-text ] keep
] with-destructors ;
: dummy-cairo ( -- cr )
[
CAIRO_FORMAT_ARGB32 0 0 cairo_image_surface_create
cairo_create
] initialize-alien ;

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basis/pango/pango.factor Normal file
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! Copyright (C) 2008 Matthew Willis.
! See http://factorcode.org/license.txt for BSD license
USING: system alien.destructors alien.c-types alien.syntax alien
combinators ;
IN: pango
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! Helpful functions from other parts of pango
! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
<< "pango" {
{ [ os winnt? ] [ "libpango-1.0-0.dll" ] }
{ [ os macosx? ] [ "libpango-1.0.0.dylib" ] }
{ [ os unix? ] [ "libpango-1.0.so" ] }
} cond "cdecl" add-library >>
LIBRARY: pango
CONSTANT: PANGO_SCALE 1024
FUNCTION: PangoLayout*
pango_layout_new ( PangoContext* context ) ;
FUNCTION: void
pango_layout_set_text ( PangoLayout* layout, char* text, int length ) ;
FUNCTION: char*
pango_layout_get_text ( PangoLayout* layout ) ;
FUNCTION: void
pango_layout_get_size ( PangoLayout* layout, int* width, int* height ) ;
FUNCTION: PangoFontDescription*
pango_font_description_from_string ( char* str ) ;
FUNCTION: char*
pango_font_description_to_string ( PangoFontDescription* desc ) ;
FUNCTION: char*
pango_font_description_to_filename ( PangoFontDescription* desc ) ;
FUNCTION: void
pango_layout_set_font_description ( PangoLayout* layout, PangoFontDescription* desc ) ;
FUNCTION: PangoFontDescription*
pango_layout_get_font_description ( PangoLayout* layout ) ;
FUNCTION: void
pango_layout_get_pixel_size ( PangoLayout* layout, int* width, int* height ) ;
FUNCTION: void
pango_font_description_free ( PangoFontDescription* desc ) ;
DESTRUCTOR: pango_font_description_free