Index: xfa/fxbarcode/cbc_ean13.cpp |
diff --git a/xfa/fxbarcode/cbc_ean13.cpp b/xfa/fxbarcode/cbc_ean13.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e764122e3c1aa8052da2b57f7a246bbc1f610515 |
--- /dev/null |
+++ b/xfa/fxbarcode/cbc_ean13.cpp |
@@ -0,0 +1,114 @@ |
+// Copyright 2016 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 |
+/* |
+ * Copyright 2011 ZXing authors |
+ * |
+ * Licensed under the Apache License, Version 2.0 (the "License"); |
+ * you may not use this file except in compliance with the License. |
+ * You may obtain a copy of the License at |
+ * |
+ * http://www.apache.org/licenses/LICENSE-2.0 |
+ * |
+ * Unless required by applicable law or agreed to in writing, software |
+ * distributed under the License is distributed on an "AS IS" BASIS, |
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+ * See the License for the specific language governing permissions and |
+ * limitations under the License. |
+ */ |
+ |
+#include "xfa/fxbarcode/cbc_ean13.h" |
+ |
+#include "xfa/fxbarcode/BC_BinaryBitmap.h" |
+#include "xfa/fxbarcode/BC_BufferedImageLuminanceSource.h" |
+#include "xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h" |
+#include "xfa/fxbarcode/oned/BC_OnedEAN13Reader.h" |
+#include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h" |
+ |
+CBC_EAN13::CBC_EAN13() { |
+ m_pBCReader = (CBC_Reader*)new (CBC_OnedEAN13Reader); |
+ m_pBCWriter = (CBC_Writer*)new (CBC_OnedEAN13Writer); |
+} |
+ |
+CBC_EAN13::~CBC_EAN13() { |
+ delete (m_pBCReader); |
+ delete (m_pBCWriter); |
+} |
+ |
+CFX_WideString CBC_EAN13::Preprocess(const CFX_WideStringC& contents) { |
+ CFX_WideString encodeContents = |
+ ((CBC_OnedEAN13Writer*)m_pBCWriter)->FilterContents(contents); |
+ int32_t length = encodeContents.GetLength(); |
+ if (length <= 12) { |
+ for (int32_t i = 0; i < 12 - length; i++) |
+ encodeContents = FX_WCHAR('0') + encodeContents; |
+ |
+ CFX_ByteString byteString = encodeContents.UTF8Encode(); |
+ int32_t checksum = |
+ ((CBC_OnedEAN13Writer*)m_pBCWriter)->CalcChecksum(byteString); |
+ byteString += checksum - 0 + '0'; |
+ encodeContents = byteString.UTF8Decode(); |
+ } |
+ if (length > 13) |
+ encodeContents = encodeContents.Mid(0, 13); |
+ |
+ return encodeContents; |
+} |
+ |
+FX_BOOL CBC_EAN13::Encode(const CFX_WideStringC& contents, |
+ FX_BOOL isDevice, |
+ int32_t& e) { |
+ if (contents.IsEmpty()) { |
+ e = BCExceptionNoContents; |
+ return FALSE; |
+ } |
+ BCFORMAT format = BCFORMAT_EAN_13; |
+ int32_t outWidth = 0; |
+ int32_t outHeight = 0; |
+ CFX_WideString encodeContents = Preprocess(contents); |
+ CFX_ByteString byteString = encodeContents.UTF8Encode(); |
+ m_renderContents = encodeContents; |
+ uint8_t* data = static_cast<CBC_OnedEAN13Writer*>(m_pBCWriter) |
+ ->Encode(byteString, format, outWidth, outHeight, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, FALSE); |
+ ((CBC_OneDimWriter*)m_pBCWriter) |
+ ->RenderResult(encodeContents, data, outWidth, isDevice, e); |
+ FX_Free(data); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, FALSE); |
+ return TRUE; |
+} |
+ |
+FX_BOOL CBC_EAN13::RenderDevice(CFX_RenderDevice* device, |
+ const CFX_Matrix* matirx, |
+ int32_t& e) { |
+ ((CBC_OneDimWriter*)m_pBCWriter) |
+ ->RenderDeviceResult(device, matirx, m_renderContents, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, FALSE); |
+ return TRUE; |
+} |
+ |
+FX_BOOL CBC_EAN13::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) { |
+ ((CBC_OneDimWriter*)m_pBCWriter) |
+ ->RenderBitmapResult(pOutBitmap, m_renderContents, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, FALSE); |
+ return TRUE; |
+} |
+ |
+CFX_WideString CBC_EAN13::Decode(uint8_t* buf, |
+ int32_t width, |
+ int32_t hight, |
+ int32_t& e) { |
+ CFX_WideString str; |
+ return str; |
+} |
+ |
+CFX_WideString CBC_EAN13::Decode(CFX_DIBitmap* pBitmap, int32_t& e) { |
+ CBC_BufferedImageLuminanceSource source(pBitmap); |
+ CBC_GlobalHistogramBinarizer binarizer(&source); |
+ CBC_BinaryBitmap bitmap(&binarizer); |
+ CFX_ByteString str = m_pBCReader->Decode(&bitmap, 0, e); |
+ BC_EXCEPTION_CHECK_ReturnValue(e, FX_WSTRC(L"")); |
+ return CFX_WideString::FromUTF8(str, str.GetLength()); |
+} |