| // 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 | |
| // Original code is licensed as follows: | |
| /* | |
| * Copyright 2009 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 "../barcode.h" | |
| #include "../BC_Writer.h" | |
| #include "../BC_Reader.h" | |
| #include "../common/BC_CommonBitMatrix.h" | |
| #include "BC_OneDReader.h" | |
| #include "BC_OneDimWriter.h" | |
| #include "BC_OneDimReader.h" | |
| #include "BC_OnedEAN8Writer.h" | |
| CBC_OnedEAN8Writer::CBC_OnedEAN8Writer() | |
| { | |
| m_iDataLenth = 8; | |
| m_codeWidth = 3 + | |
| (7 * 4) + | |
| 5 + | |
| (7 * 4) + | |
| 3; | |
| } | |
| CBC_OnedEAN8Writer::~CBC_OnedEAN8Writer() | |
| { | |
| } | |
| void CBC_OnedEAN8Writer::SetDataLength(FX_INT32 length) | |
| { | |
| m_iDataLenth = 8; | |
| } | |
| FX_BOOL CBC_OnedEAN8Writer::SetTextLocation(BC_TEXT_LOC location) | |
| { | |
| if ( location == BC_TEXT_LOC_BELOWEMBED) { | |
| m_locTextLoc = location; | |
| return TRUE; | |
| } | |
| return FALSE; | |
| } | |
| FX_BOOL CBC_OnedEAN8Writer::CheckContentValidity(FX_WSTR contents) | |
| { | |
| for (FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
| if (contents.GetAt(i) >= '0' && contents.GetAt(i) <= '9') { | |
| continue; | |
| } else { | |
| return FALSE; | |
| } | |
| } | |
| return TRUE; | |
| } | |
| CFX_WideString CBC_OnedEAN8Writer::FilterContents(FX_WSTR contents) | |
| { | |
| CFX_WideString filtercontents; | |
| FX_WCHAR ch; | |
| for (FX_INT32 i = 0; i < contents.GetLength(); i++) { | |
| ch = contents.GetAt(i); | |
| if(ch > 175) { | |
| i++; | |
| continue; | |
| } | |
| if (ch >= '0' && ch <= '9') { | |
| filtercontents += ch; | |
| } | |
| } | |
| return filtercontents; | |
| } | |
| FX_INT32 CBC_OnedEAN8Writer::CalcChecksum(const CFX_ByteString &contents) | |
| { | |
| FX_INT32 odd = 0; | |
| FX_INT32 even = 0; | |
| FX_INT32 j = 1; | |
| for(FX_INT32 i = contents.GetLength() - 1; i >= 0; i--) { | |
| if(j % 2) { | |
| odd += FXSYS_atoi(contents.Mid(i, 1)); | |
| } else { | |
| even += FXSYS_atoi(contents.Mid(i, 1)); | |
| } | |
| j++; | |
| } | |
| FX_INT32 checksum = (odd * 3 + even) % 10; | |
| checksum = (10 - checksum) % 10; | |
| return (checksum); | |
| } | |
| FX_BYTE *CBC_OnedEAN8Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight , FX_INT32 &e) | |
| { | |
| FX_BYTE *ret = Encode(contents, format, outWidth, outHeight, 0, e); | |
| BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| return ret; | |
| } | |
| FX_BYTE *CBC_OnedEAN8Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, | |
| FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints , FX_INT32 &e) | |
| { | |
| if (format != BCFORMAT_EAN_8) { | |
| e = BCExceptionOnlyEncodeEAN_8; | |
| return NULL; | |
| } | |
| FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e); | |
| BC_EXCEPTION_CHECK_ReturnValue(e, NULL); | |
| return ret; | |
| } | |
| FX_BYTE *CBC_OnedEAN8Writer::Encode(const CFX_ByteString &contents, FX_INT32 &outLength , FX_INT32 &e) | |
| { | |
| if (contents.GetLength() != 8) { | |
| e = BCExceptionDigitLengthMustBe8; | |
| return NULL; | |
| } | |
| outLength = m_codeWidth; | |
| FX_BYTE *result = FX_Alloc(FX_BYTE, m_codeWidth); | |
| FX_INT32 pos = 0; | |
| pos += AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1, e); | |
| if (e != BCExceptionNO) { | |
| FX_Free (result); | |
| return NULL; | |
| } | |
| FX_INT32 i = 0; | |
| for (i = 0; i <= 3; i++) { | |
| FX_INT32 digit = FXSYS_atoi(contents.Mid(i, 1)); | |
| pos += AppendPattern(result, pos, CBC_OneDimReader::L_PATTERNS[digit], 4, 0, e); | |
| if (e != BCExceptionNO) { | |
| FX_Free (result); | |
| return NULL; | |
| } | |
| } | |
| pos += AppendPattern(result, pos, CBC_OneDimReader::MIDDLE_PATTERN, 5, 0, e); | |
| if (e != BCExceptionNO) { | |
| FX_Free (result); | |
| return NULL; | |
| } | |
| for (i = 4; i <= 7; i++) { | |
| FX_INT32 digit = FXSYS_atoi(contents.Mid(i, 1)); | |
| pos += AppendPattern(result, pos, CBC_OneDimReader::L_PATTERNS[digit], 4, 1, e); | |
| if (e != BCExceptionNO) { | |
| FX_Free (result); | |
| return NULL; | |
| } | |
| } | |
| pos += AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1, e); | |
| if (e != BCExceptionNO) { | |
| FX_Free (result); | |
| return NULL; | |
| } | |
| return result; | |
| } | |
| void CBC_OnedEAN8Writer::ShowChars(FX_WSTR contents, CFX_DIBitmap *pOutBitmap, CFX_RenderDevice* device, const CFX_Matrix* matrix, FX_INT32 barWidth, FX_INT32 multiple, FX_INT32 &e) | |
| { | |
| if (device == NULL && pOutBitmap == NULL) { | |
| e = BCExceptionIllegalArgument; | |
| return; | |
| } | |
| FX_INT32 leftPosition = 3 * multiple; | |
| CFX_ByteString str = FX_UTF8Encode(contents); | |
| FX_INT32 iLength = str.GetLength(); | |
| FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLength); | |
| if (!pCharPos) { | |
| return; | |
| } | |
| FXSYS_memset32(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLength); | |
| CFX_ByteString tempStr = str.Mid(0, 4); | |
| FX_INT32 iLen = tempStr.GetLength(); | |
| FX_INT32 strWidth = 7 * multiple * 4; | |
| FX_FLOAT blank = 0.0; | |
| CFX_FxgeDevice geBitmap; | |
| if (pOutBitmap != NULL) { | |
| geBitmap.Attach(pOutBitmap); | |
| } | |
| FX_FLOAT charsWidth = 0; | |
| FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize); | |
| FX_INT32 iTextHeight = iFontSize + 1; | |
| if (pOutBitmap == NULL) { | |
| CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); | |
| CFX_FloatRect rect((FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight), (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height); | |
| matr.Concat(*matrix); | |
| matr.TransformRect(rect); | |
| FX_RECT re = rect.GetOutterRect(); | |
| device->FillRect(&re, m_backgroundColor); | |
| CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); | |
| CFX_FloatRect rect1((FX_FLOAT)(leftPosition + 33 * multiple), (FX_FLOAT)(m_Height - iTextHeight), (FX_FLOAT)(leftPosition + 33 * multiple + strWidth - 0.5), (FX_FLOAT)m_Height); | |
| matr1.Concat(*matrix); | |
| matr1.TransformRect(rect1); | |
| re = rect1.GetOutterRect(); | |
| device->FillRect(&re, m_backgroundColor); | |
| } | |
| if (pOutBitmap == NULL) { | |
| strWidth = (FX_INT32)(strWidth * m_outputHScale); | |
| } | |
| CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize, blank); | |
| CFX_AffineMatrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize); | |
| CFX_FxgeDevice ge; | |
| if (pOutBitmap != NULL) { | |
| delete ge.GetBitmap(); | |
| ge.Create(strWidth, iTextHeight, FXDIB_Argb); | |
| ge.GetBitmap()->Clear(m_backgroundColor); | |
| ge.DrawNormalText(iLen, | |
| pCharPos, | |
| m_pFont, | |
| CFX_GEModule::Get()->GetFontCache(), | |
| (FX_FLOAT)iFontSize , | |
| (CFX_AffineMatrix *) &affine_matrix, | |
| m_fontColor, FXTEXT_CLEARTYPE); | |
| geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight); | |
| } else { | |
| CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)leftPosition * m_outputHScale, (FX_FLOAT)(m_Height - iTextHeight + iFontSize)); | |
| affine_matrix1.Concat(*matrix); | |
| FX_BOOL ret = device->DrawNormalText(iLen, | |
| pCharPos, | |
| m_pFont, | |
| CFX_GEModule::Get()->GetFontCache(), | |
| (FX_FLOAT)iFontSize, | |
| (CFX_AffineMatrix *) &affine_matrix1, | |
| m_fontColor, FXTEXT_CLEARTYPE); | |
| } | |
| tempStr = str.Mid(4, 4); | |
| iLen = tempStr.GetLength(); | |
| charsWidth = 0.0f; | |
| CalcTextInfo(tempStr, pCharPos + 4, m_pFont, (FX_FLOAT)strWidth, iFontSize, blank); | |
| if (pOutBitmap != NULL) { | |
| delete ge.GetBitmap(); | |
| ge.Create(strWidth, iTextHeight, FXDIB_Argb); | |
| ge.GetBitmap()->Clear(m_backgroundColor); | |
| ge.DrawNormalText(iLen, | |
| pCharPos + 4, | |
| m_pFont, | |
| CFX_GEModule::Get()->GetFontCache(), | |
| (FX_FLOAT)iFontSize , | |
| (CFX_AffineMatrix *) &affine_matrix, | |
| m_fontColor, FXTEXT_CLEARTYPE); | |
| geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 33 * multiple, m_Height - iTextHeight); | |
| } else { | |
| CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)(leftPosition + 33 * multiple) * m_outputHScale, (FX_FLOAT)(m_Height - iTextHeight + iFontSize)); | |
| if (matrix != NULL) { | |
| affine_matrix1.Concat(*matrix); | |
| } | |
| FX_BOOL ret = device->DrawNormalText(iLen, | |
| pCharPos + 4, | |
| m_pFont, | |
| CFX_GEModule::Get()->GetFontCache(), | |
| (FX_FLOAT)iFontSize , | |
| (CFX_AffineMatrix *) &affine_matrix1, | |
| m_fontColor, FXTEXT_CLEARTYPE); | |
| } | |
| FX_Free(pCharPos); | |
| } | |
| void CBC_OnedEAN8Writer::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32 codeLength, FX_BOOL isDevice, FX_INT32 &e) | |
| { | |
| CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e); | |
| } |