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authorNicolas Pena <npm@chromium.org>2017-05-26 14:38:03 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-05-26 18:52:27 +0000
commit169b30187bf5798a6106b5ab16288c9d86861f8b (patch)
tree19aa282b55c43eda4f8ebf1a8fd70acf6296aad0 /core/fpdfapi/font/cpdf_cmap.h
parentf677e18c985646c4ae1c5ec36445cdbf6bf78a6a (diff)
downloadpdfium-169b30187bf5798a6106b5ab16288c9d86861f8b.tar.xz
Use proper file names in core/fpdfapi/font
This CL splits up font_int.h into files by classes. It also renames the unittests to match the class being tested. Finally, it renames the ttgsubtable files to match the class name. Change-Id: I6187caa9e82d12b9a66e955113fe327d52042ae0 Reviewed-on: https://pdfium-review.googlesource.com/6090 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'core/fpdfapi/font/cpdf_cmap.h')
-rw-r--r--core/fpdfapi/font/cpdf_cmap.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/core/fpdfapi/font/cpdf_cmap.h b/core/fpdfapi/font/cpdf_cmap.h
new file mode 100644
index 0000000000..ab495efbfc
--- /dev/null
+++ b/core/fpdfapi/font/cpdf_cmap.h
@@ -0,0 +1,87 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FONT_CPDF_CMAP_H_
+#define CORE_FPDFAPI_FONT_CPDF_CMAP_H_
+
+#include <vector>
+
+#include "core/fpdfapi/font/cpdf_cidfont.h"
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_basic.h"
+
+class CPDF_CMapManager;
+struct FXCMAP_CMap;
+
+enum CIDCoding : uint8_t {
+ CIDCODING_UNKNOWN = 0,
+ CIDCODING_GB,
+ CIDCODING_BIG5,
+ CIDCODING_JIS,
+ CIDCODING_KOREA,
+ CIDCODING_UCS2,
+ CIDCODING_CID,
+ CIDCODING_UTF16,
+};
+
+class CPDF_CMap : public CFX_Retainable {
+ public:
+ enum CodingScheme : uint8_t {
+ OneByte,
+ TwoBytes,
+ MixedTwoBytes,
+ MixedFourBytes
+ };
+
+ struct CodeRange {
+ int m_CharSize;
+ uint8_t m_Lower[4];
+ uint8_t m_Upper[4];
+ };
+
+ struct CIDRange {
+ uint32_t m_StartCode;
+ uint32_t m_EndCode;
+ uint16_t m_StartCID;
+ };
+
+ template <typename T, typename... Args>
+ friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args);
+
+ void LoadPredefined(CPDF_CMapManager* pMgr,
+ const CFX_ByteString& name,
+ bool bPromptCJK);
+ void LoadEmbedded(const uint8_t* pData, uint32_t dwSize);
+
+ bool IsLoaded() const { return m_bLoaded; }
+ bool IsVertWriting() const { return m_bVertical; }
+ uint16_t CIDFromCharCode(uint32_t charcode) const;
+ int GetCharSize(uint32_t charcode) const;
+ uint32_t GetNextChar(const char* pString, int nStrLen, int& offset) const;
+ int CountChar(const char* pString, int size) const;
+ int AppendChar(char* str, uint32_t charcode) const;
+
+ private:
+ friend class CPDF_CMapParser;
+ friend class CPDF_CIDFont;
+
+ CPDF_CMap();
+ ~CPDF_CMap() override;
+
+ CFX_ByteString m_PredefinedCMap;
+ bool m_bLoaded;
+ bool m_bVertical;
+ CIDSet m_Charset;
+ CodingScheme m_CodingScheme;
+ int m_Coding;
+ std::vector<bool> m_MixedTwoByteLeadingBytes;
+ std::vector<CodeRange> m_MixedFourByteLeadingRanges;
+ std::vector<uint16_t> m_DirectCharcodeToCIDTable;
+ std::vector<CIDRange> m_AdditionalCharcodeToCIDMappings;
+ const FXCMAP_CMap* m_pEmbedMap;
+};
+
+#endif // CORE_FPDFAPI_FONT_CPDF_CMAP_H_