1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/browser/renderer_host/pepper/pepper_truetype_font_list.h"
6
7#include <pango/pango.h>
8#include <pango/pangocairo.h>
9
10#include <string>
11
12#include "ppapi/proxy/serialized_structs.h"
13
14namespace content {
15
16void GetFontFamilies_SlowBlocking(std::vector<std::string>* font_families) {
17  PangoFontMap* font_map = ::pango_cairo_font_map_get_default();
18  PangoFontFamily** families = NULL;
19  int num_families = 0;
20  ::pango_font_map_list_families(font_map, &families, &num_families);
21
22  for (int i = 0; i < num_families; ++i)
23    font_families->push_back(::pango_font_family_get_name(families[i]));
24  g_free(families);
25}
26
27void GetFontsInFamily_SlowBlocking(
28    const std::string& family,
29    std::vector<ppapi::proxy::SerializedTrueTypeFontDesc>* fonts_in_family) {
30  PangoFontMap* font_map = ::pango_cairo_font_map_get_default();
31  PangoFontFamily** font_families = NULL;
32  int num_families = 0;
33  ::pango_font_map_list_families(font_map, &font_families, &num_families);
34
35  for (int i = 0; i < num_families; ++i) {
36    PangoFontFamily* font_family = font_families[i];
37    if (family.compare(::pango_font_family_get_name(font_family)) == 0) {
38      PangoFontFace** font_faces = NULL;
39      int num_faces = 0;
40      ::pango_font_family_list_faces(font_family, &font_faces, &num_faces);
41
42      for (int j = 0; j < num_faces; ++j) {
43        PangoFontFace* font_face = font_faces[j];
44        PangoFontDescription* font_desc = ::pango_font_face_describe(font_face);
45        ppapi::proxy::SerializedTrueTypeFontDesc desc;
46        desc.family = family;
47        if (::pango_font_description_get_style(font_desc) == PANGO_STYLE_ITALIC)
48          desc.style = PP_TRUETYPEFONTSTYLE_ITALIC;
49        desc.weight = static_cast<PP_TrueTypeFontWeight_Dev>(
50            ::pango_font_description_get_weight(font_desc));
51        desc.width = static_cast<PP_TrueTypeFontWidth_Dev>(
52            ::pango_font_description_get_stretch(font_desc));
53        // Character set is not part of Pango font description.
54        desc.charset = PP_TRUETYPEFONTCHARSET_DEFAULT;
55
56        fonts_in_family->push_back(desc);
57        ::pango_font_description_free(font_desc);
58      }
59      g_free(font_faces);
60    }
61  }
62  g_free(font_families);
63}
64
65}  // namespace content
66