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path: root/xfa/fxbarcode/cbc_ean13.cpp
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Diffstat (limited to 'xfa/fxbarcode/cbc_ean13.cpp')
-rw-r--r--xfa/fxbarcode/cbc_ean13.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/xfa/fxbarcode/cbc_ean13.cpp b/xfa/fxbarcode/cbc_ean13.cpp
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+++ b/xfa/fxbarcode/cbc_ean13.cpp
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+// 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());
+}