1 files changed, 97 insertions, 0 deletions
diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font_utility.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font_utility.cpp
new file mode 100644
index 0000000000..7810fe80a9
--- /dev/null
+++ b/core/src/fpdfapi/fpdf_font/fpdf_font_utility.cpp
@@ -0,0 +1,97 @@
+// Copyright 2014 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
+
+#include "../../../include/fpdfapi/fpdf_module.h"
+#include "../../../include/fpdfapi/fpdf_resource.h"
+#include "../../../include/fxcodec/fx_codec.h"
+#include "font_int.h"
+#ifndef _FPDFAPI_MINI_
+typedef struct {
+    FXSYS_FILE*	m_pFile;
+    int		m_nFiles;
+    int		m_IndexSize;
+    int		m_IndexOffset;
+} FXFC_PACKAGE;
+FX_LPVOID FXFC_LoadPackage(FX_LPCSTR name)
+{
+    FXSYS_FILE* file = FXSYS_fopen(name, (FX_LPCSTR)"rb");
+    if (file == NULL) {
+        return NULL;
+    }
+    FX_BYTE buf[256];
+    size_t read = FXSYS_fread(buf, 1, 20, file);
+    if (*(FX_DWORD*)buf != 0x43465846) {
+        FXSYS_fclose(file);
+        return NULL;
+    }
+    FXFC_PACKAGE* pPackage = FX_Alloc(FXFC_PACKAGE, 1);
+    pPackage->m_pFile = file;
+    pPackage->m_nFiles = *(int*)(buf + 8);
+    pPackage->m_IndexSize = *(int*)(buf + 12);
+    pPackage->m_IndexOffset = *(int*)(buf + 16);
+    return pPackage;
+}
+void FXFC_ClosePackage(FX_LPVOID p)
+{
+    FXFC_PACKAGE* pPackage = (FXFC_PACKAGE*)p;
+    FXSYS_fclose(pPackage->m_pFile);
+    FX_Free(pPackage);
+}
+FX_BOOL FXFC_LoadFile(FX_LPVOID p, FX_LPCSTR name, FX_LPBYTE& pBuffer, FX_DWORD& size)
+{
+    FXFC_PACKAGE* pPackage = (FXFC_PACKAGE*)p;
+    FXSYS_fseek(pPackage->m_pFile, pPackage->m_IndexOffset, FXSYS_SEEK_SET);
+    FX_BYTE buf[128];
+    size_t read = 0;
+    for (int i = 0; i < pPackage->m_nFiles; i ++) {
+        read = FXSYS_fread(buf, pPackage->m_IndexSize, 1, pPackage->m_pFile);
+        if (FXSYS_stricmp((FX_LPCSTR)buf, name) == 0) {
+            FX_DWORD offset = *(FX_DWORD*)&buf[64];
+            size = *(FX_DWORD*)&buf[68];
+            pBuffer = FX_Alloc(FX_BYTE, size);
+            FXSYS_fseek(pPackage->m_pFile, offset, FXSYS_SEEK_SET);
+            read = FXSYS_fread(pBuffer, size, 1, pPackage->m_pFile);
+            if (buf[72]) {
+                FX_DWORD orig_size;
+                FX_LPBYTE comp_buf = pBuffer;
+                CPDF_ModuleMgr::Get()->GetFlateModule()->FlateOrLZWDecode(FALSE, comp_buf, size, FALSE,
+                        0, 0, 0, 0, 0, pBuffer, orig_size);
+                FX_Free(comp_buf);
+                size = orig_size;
+            }
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+FX_BOOL CPDF_FXMP::LoadFile(FX_LPVOID pPackage, FX_LPCSTR fileid)
+{
+    if (m_pHeader) {
+        FX_Free(m_pHeader);
+        m_pHeader = NULL;
+    }
+    m_pTable = NULL;
+    FX_DWORD size;
+    if (!FXFC_LoadFile(pPackage, fileid, (FX_LPBYTE&)m_pHeader, size)) {
+        return FALSE;
+    }
+    if (FXSYS_memcmp32(m_pHeader, "FXMP", 4)) {
+        return FALSE;
+    }
+    m_pTable = (FX_LPBYTE)m_pHeader + m_pHeader->dwDataOffset;
+    return TRUE;
+}
+FX_LPBYTE CPDF_FXMP::GetRecord(FX_DWORD index)
+{
+    if (m_pTable == NULL) {
+        return NULL;
+    }
+    if ((int)index < (int)m_pHeader->dwStartIndex || index > m_pHeader->dwEndIndex) {
+        return NULL;
+    }
+    return m_pTable + (index - m_pHeader->dwStartIndex) * m_pHeader->dwRecordSize;
+}
+#endif