pango.c.cairo source code

1 /*
2  * Distributed under the Boost Software License, Version 1.0.
3  *    (See accompanying file LICENSE_1_0.txt or copy at
4  *          http://www.boost.org/LICENSE_1_0.txt)
5  */
6 module pango.c.cairo;
7 
8 import pango.c.attributes;
9 import pango.c.bidi_type;
10 import pango.c.break_;
11 import pango.c.context;
12 import pango.c.coverage;
13 import pango.c.engine;
14 import pango.c.font;
15 import pango.c.fontmap;
16 import pango.c.fontset;
17 import pango.c.glyph_item;
18 import pango.c.glyph;
19 import pango.c.gravity;
20 import pango.c.item;
21 import pango.c.language;
22 import pango.c.layout;
23 import pango.c.matrix;
24 import pango.c.modules;
25 import pango.c.renderer;
26 import pango.c.script;
27 import pango.c.tabs;
28 import pango.c.types;
29 import pango.c.utils;
30 import pango.c.win32;
31 
32 import glib;
33 import gobject;
34 import cairo.c.cairo;
35 
36 
37 extern (C):
38 
39 /**
40  * PangoCairoFont:
41  *
42  * #PangoCairoFont is an interface exported by fonts for
43  * use with Cairo. The actual type of the font will depend
44  * on the particular font technology Cairo was compiled to use.
45  *
46  * Since: 1.18
47  **/
48 struct PangoCairoFont;
49 
50 /**
51  * PangoCairoFontMap:
52  *
53  * #PangoCairoFontMap is an interface exported by font maps for
54  * use with Cairo. The actual type of the font map will depend
55  * on the particular font technology Cairo was compiled to use.
56  *
57  * Since: 1.10
58  **/
59 struct PangoCairoFontMap;
60 
61 /**
62  * PangoCairoShapeRendererFunc:
63  * @cr: a Cairo context with current point set to where the shape should
64  * be rendered
65  * @attr: the %PANGO_ATTR_SHAPE to render
66  * @do_path: whether only the shape path should be appended to current
67  * path of @cr and no filling/stroking done.  This will be set
68  * to %TRUE when called from pango_cairo_layout_path() and
69  * pango_cairo_layout_line_path() rendering functions.
70  * @data: user data passed to pango_cairo_context_set_shape_renderer()
71  *
72  * Function type for rendering attributes of type %PANGO_ATTR_SHAPE
73  * with Pango's Cairo renderer.
74  */
75 alias PangoCairoShapeRendererFunc = void function (cairo_t        *cr,
76 					      PangoAttrShape *attr,
77 					      gboolean        do_path,
78 					      gpointer        data);
79 
80 /*
81  * PangoCairoFontMap
82  */
83 pure GType         pango_cairo_font_map_get_type          ();
84 
85 PangoFontMap *pango_cairo_font_map_new               ();
86 PangoFontMap *pango_cairo_font_map_new_for_font_type (cairo_font_type_t fonttype);
87 PangoFontMap *pango_cairo_font_map_get_default       ();
88 void          pango_cairo_font_map_set_default       (PangoCairoFontMap *fontmap);
89 cairo_font_type_t pango_cairo_font_map_get_font_type (PangoCairoFontMap *fontmap);
90 
91 void          pango_cairo_font_map_set_resolution (PangoCairoFontMap *fontmap,
92 						   double             dpi);
93 double        pango_cairo_font_map_get_resolution (PangoCairoFontMap *fontmap);
94 
95 /*
96  * PangoCairoFont
97  */
98 pure GType         pango_cairo_font_get_type               ();
99 
100 cairo_scaled_font_t *pango_cairo_font_get_scaled_font (PangoCairoFont *font);
101 
102 /* Update a Pango context for the current state of a cairo context
103  */
104 void         pango_cairo_update_context (cairo_t      *cr,
105 					 PangoContext *context);
106 
107 void                        pango_cairo_context_set_font_options (PangoContext               *context,
108 								  const(cairo_font_options_t) *options);
109 const(cairo_font_options_t) *pango_cairo_context_get_font_options (PangoContext               *context);
110 
111 void               pango_cairo_context_set_resolution     (PangoContext       *context,
112 							   double              dpi);
113 double             pango_cairo_context_get_resolution     (PangoContext       *context);
114 
115 void                        pango_cairo_context_set_shape_renderer (PangoContext                *context,
116 								    PangoCairoShapeRendererFunc  func,
117 								    gpointer                     data,
118 								    GDestroyNotify               dnotify);
119 PangoCairoShapeRendererFunc pango_cairo_context_get_shape_renderer (PangoContext                *context,
120 								    gpointer                    *data);
121 
122 /* Convenience
123  */
124 PangoContext *pango_cairo_create_context (cairo_t   *cr);
125 PangoLayout *pango_cairo_create_layout (cairo_t     *cr);
126 void         pango_cairo_update_layout (cairo_t     *cr,
127 					PangoLayout *layout);
128 
129 /*
130  * Rendering
131  */
132 void pango_cairo_show_glyph_string (cairo_t          *cr,
133 				    PangoFont        *font,
134 				    PangoGlyphString *glyphs);
135 void pango_cairo_show_glyph_item   (cairo_t          *cr,
136 				    const(char)       *text,
137 				    PangoGlyphItem   *glyph_item);
138 void pango_cairo_show_layout_line  (cairo_t          *cr,
139 				    PangoLayoutLine  *line);
140 void pango_cairo_show_layout       (cairo_t          *cr,
141 				    PangoLayout      *layout);
142 
143 void pango_cairo_show_error_underline (cairo_t       *cr,
144 				       double         x,
145 				       double         y,
146 				       double         width,
147 				       double         height);
148 
149 /*
150  * Rendering to a path
151  */
152 void pango_cairo_glyph_string_path (cairo_t          *cr,
153 				    PangoFont        *font,
154 				    PangoGlyphString *glyphs);
155 void pango_cairo_layout_line_path  (cairo_t          *cr,
156 				    PangoLayoutLine  *line);
157 void pango_cairo_layout_path       (cairo_t          *cr,
158 				    PangoLayout      *layout);
159 
160 void pango_cairo_error_underline_path (cairo_t       *cr,
161 				       double         x,
162 				       double         y,
163 				       double         width,
164 				       double         height);
165