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29 
30 #include "renderer/win32/win32_font_util.h"
31 
32 #include "base/util.h"
33 #include "protocol/renderer_command.pb.h"
34 
35 namespace mozc {
36 namespace win32 {
37 
ToWinLogFont(const LOGFONTW & log_font,mozc::commands::RendererCommand_WinLogFont * win_log_font)38 bool FontUtil::ToWinLogFont(
39     const LOGFONTW &log_font,
40     mozc::commands::RendererCommand_WinLogFont *win_log_font) {
41   if (win_log_font == nullptr) {
42     return false;
43   }
44 
45   win_log_font->Clear();
46   win_log_font->set_height(log_font.lfHeight);
47   win_log_font->set_width(log_font.lfWidth);
48   win_log_font->set_escapement(log_font.lfEscapement);
49   win_log_font->set_orientation(log_font.lfOrientation);
50   win_log_font->set_weight(log_font.lfWeight);
51   win_log_font->set_italic(log_font.lfItalic != FALSE);
52   win_log_font->set_underline(log_font.lfUnderline != FALSE);
53   win_log_font->set_strike_out(log_font.lfStrikeOut != FALSE);
54   win_log_font->set_char_set(log_font.lfCharSet);
55   win_log_font->set_out_precision(log_font.lfOutPrecision);
56   win_log_font->set_clip_precision(log_font.lfClipPrecision);
57   win_log_font->set_quality(log_font.lfQuality);
58   win_log_font->set_pitch_and_family(log_font.lfPitchAndFamily);
59 
60   // make sure |log_font.lfFaceName| is properly null-terminated.
61   bool null_terminated = false;
62   for (size_t i = 0; i < arraysize(log_font.lfFaceName); ++i) {
63     if (log_font.lfFaceName[i] == L'\0') {
64       null_terminated = true;
65       break;
66     }
67   }
68 
69   if (!null_terminated) {
70     return false;
71   }
72 
73   string name;
74   mozc::Util::WideToUTF8(log_font.lfFaceName, &name);
75   win_log_font->set_face_name(name);
76 
77   return true;
78 }
79 
ToLOGFONT(const mozc::commands::RendererCommand_WinLogFont & win_log_font,LOGFONTW * log_font)80 bool FontUtil::ToLOGFONT(
81     const mozc::commands::RendererCommand_WinLogFont &win_log_font,
82     LOGFONTW *log_font) {
83   if (log_font == nullptr) {
84     return false;
85   }
86   if (!win_log_font.IsInitialized()) {
87     return false;
88   }
89 
90   ::ZeroMemory(log_font, sizeof(log_font));
91 
92   log_font->lfHeight = win_log_font.height();
93   log_font->lfWidth = win_log_font.width();
94   log_font->lfEscapement = win_log_font.escapement();
95   log_font->lfOrientation = win_log_font.orientation();
96   log_font->lfWeight = win_log_font.weight();
97   log_font->lfItalic = win_log_font.italic() ? TRUE : FALSE;
98   log_font->lfUnderline = win_log_font.underline() ? TRUE : FALSE;
99   log_font->lfStrikeOut = win_log_font.strike_out() ? TRUE : FALSE;
100   log_font->lfCharSet = win_log_font.char_set();
101   log_font->lfOutPrecision = win_log_font.out_precision();
102   log_font->lfClipPrecision = win_log_font.clip_precision();
103   log_font->lfQuality = win_log_font.quality();
104   log_font->lfPitchAndFamily = win_log_font.pitch_and_family();
105 
106   std::wstring face_name;
107   mozc::Util::UTF8ToWide(win_log_font.face_name(), &face_name);
108 
109   // Although the result of mozc::Util::UTF8ToWide never contains any null
110   // character, make sure it again just for the safety.
111   face_name += L'\0';
112   face_name = face_name.substr(0, face_name.find(L'\0') + 1);
113 
114   // +1 is for nullptr.
115   if (face_name.size() + 1 > arraysize(log_font->lfFaceName)) {
116     return false;
117   }
118 
119   for (size_t i = 0; i < arraysize(log_font->lfFaceName); ++i) {
120     if (i < face_name.size()) {
121       log_font->lfFaceName[i] = face_name[i];
122     } else {
123       log_font->lfFaceName[i] = L'\0';
124     }
125   }
126 
127   return true;
128 }
129 
130 }  // namespace win32
131 }  // namespace mozc
132