72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
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// Copyright 2017 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fgas/font/cfgas_defaultfontmanager.h"
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#include "core/fxcrt/fx_codepage.h"
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#include "core/fxge/fx_font.h"
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#include "third_party/base/numerics/safe_conversions.h"
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#include "xfa/fgas/font/cfgas_fontmgr.h"
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#include "xfa/fgas/font/cfgas_gefont.h"
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#include "xfa/fgas/font/cfgas_gemodule.h"
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#include "xfa/fgas/font/fgas_fontutils.h"
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// static
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RetainPtr<CFGAS_GEFont> CFGAS_DefaultFontManager::GetFont(
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WideString wsFontName,
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uint32_t dwFontStyles) {
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CFGAS_FontMgr* pFontMgr = CFGAS_GEModule::Get()->GetFontMgr();
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RetainPtr<CFGAS_GEFont> pFont = pFontMgr->LoadFont(
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wsFontName.c_str(), dwFontStyles, FX_CodePage::kFailure);
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if (pFont)
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return pFont;
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const FGAS_FontInfo* pCurFont =
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FGAS_FontInfoByFontName(wsFontName.AsStringView());
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if (!pCurFont || !pCurFont->pReplaceFont)
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return pFont;
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uint32_t dwStyle = 0;
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// TODO(dsinclair): Why doesn't this check the other flags?
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if (FontStyleIsForceBold(dwFontStyles))
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dwStyle |= FXFONT_FORCE_BOLD;
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if (FontStyleIsItalic(dwFontStyles))
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dwStyle |= FXFONT_ITALIC;
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const char* pReplace = pCurFont->pReplaceFont;
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int32_t iLength = pdfium::base::checked_cast<int32_t>(strlen(pReplace));
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while (iLength > 0) {
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const char* pNameText = pReplace;
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while (*pNameText != ',' && iLength > 0) {
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pNameText++;
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iLength--;
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}
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WideString wsReplace =
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WideString::FromASCII(ByteStringView(pReplace, pNameText - pReplace));
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pFont =
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pFontMgr->LoadFont(wsReplace.c_str(), dwStyle, FX_CodePage::kFailure);
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if (pFont)
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break;
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iLength--;
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pNameText++;
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pReplace = pNameText;
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}
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return pFont;
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}
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// static
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RetainPtr<CFGAS_GEFont> CFGAS_DefaultFontManager::GetDefaultFont(
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uint32_t dwFontStyles) {
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CFGAS_FontMgr* pFontMgr = CFGAS_GEModule::Get()->GetFontMgr();
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RetainPtr<CFGAS_GEFont> pFont =
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pFontMgr->LoadFont(L"Arial Narrow", dwFontStyles, FX_CodePage::kFailure);
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if (pFont)
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return pFont;
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return pFontMgr->LoadFont(nullptr, dwFontStyles, FX_CodePage::kFailure);
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}
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