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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/pepper/pepper_truetype_font_list.h"
#include <windows.h>
#include "base/strings/utf_string_conversions.h"
#include "base/win/scoped_hdc.h"
#include "ppapi/c/dev/ppb_truetype_font_dev.h"
#include "ppapi/proxy/serialized_structs.h"
namespace content {
namespace {
typedef std::vector<std::string> FontFamilyList;
typedef std::vector<ppapi::proxy::SerializedTrueTypeFontDesc> FontDescList;
static int CALLBACK EnumFontFamiliesProc(ENUMLOGFONTEXW* logical_font,
NEWTEXTMETRICEXW* physical_font,
DWORD font_type,
LPARAM lparam) {
FontFamilyList* font_families = reinterpret_cast<FontFamilyList*>(lparam);
if (font_families) {
const LOGFONTW& lf = logical_font->elfLogFont;
if (lf.lfFaceName[0] && lf.lfFaceName[0] != '@' &&
lf.lfOutPrecision == OUT_STROKE_PRECIS) { // Outline fonts only.
std::string face_name(UTF16ToUTF8(lf.lfFaceName));
font_families->push_back(face_name);
}
}
return 1;
}
static int CALLBACK EnumFontsInFamilyProc(ENUMLOGFONTEXW* logical_font,
NEWTEXTMETRICEXW* physical_font,
DWORD font_type,
LPARAM lparam) {
FontDescList* fonts_in_family = reinterpret_cast<FontDescList*>(lparam);
if (fonts_in_family) {
const LOGFONTW& lf = logical_font->elfLogFont;
if (lf.lfFaceName[0] && lf.lfFaceName[0] != '@' &&
lf.lfOutPrecision == OUT_STROKE_PRECIS) { // Outline fonts only.
ppapi::proxy::SerializedTrueTypeFontDesc desc;
desc.family = UTF16ToUTF8(lf.lfFaceName);
if (lf.lfItalic)
desc.style = PP_TRUETYPEFONTSTYLE_ITALIC;
desc.weight = static_cast<PP_TrueTypeFontWeight_Dev>(lf.lfWeight);
desc.width = PP_TRUETYPEFONTWIDTH_NORMAL; // TODO(bbudge) support widths.
desc.charset =
static_cast<PP_TrueTypeFontCharset_Dev>(lf.lfCharSet);
fonts_in_family->push_back(desc);
}
}
return 1;
}
} // namespace
void GetFontFamilies_SlowBlocking(FontFamilyList* font_families) {
LOGFONTW logfont;
memset(&logfont, 0, sizeof(logfont));
logfont.lfCharSet = DEFAULT_CHARSET;
base::win::ScopedCreateDC hdc(::CreateCompatibleDC(NULL));
::EnumFontFamiliesExW(hdc, &logfont, (FONTENUMPROCW)&EnumFontFamiliesProc,
(LPARAM)font_families, 0);
}
void GetFontsInFamily_SlowBlocking(const std::string& family,
FontDescList* fonts_in_family) {
LOGFONTW logfont;
memset(&logfont, 0, sizeof(logfont));
logfont.lfCharSet = DEFAULT_CHARSET;
string16 family16 = UTF8ToUTF16(family);
memcpy(&logfont.lfFaceName, &family16[0], sizeof(logfont.lfFaceName));
base::win::ScopedCreateDC hdc(::CreateCompatibleDC(NULL));
::EnumFontFamiliesExW(hdc, &logfont, (FONTENUMPROCW)&EnumFontsInFamilyProc,
(LPARAM)fonts_in_family, 0);
}
} // namespace content
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