1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 // Original code is licensed as follows: 7 /* 8 * Copyright 2012 ZXing authors 9 * 10 * Licensed under the Apache License, Version 2.0 (the "License"); 11 * you may not use this file except in compliance with the License. 12 * You may obtain a copy of the License at 13 * 14 * http://www.apache.org/licenses/LICENSE-2.0 15 * 16 * Unless required by applicable law or agreed to in writing, software 17 * distributed under the License is distributed on an "AS IS" BASIS, 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 19 * See the License for the specific language governing permissions and 20 * limitations under the License. 21 */ 22 23 #include "xfa/src/fxbarcode/barcode.h" 24 #include "xfa/src/fxbarcode/BC_TwoDimWriter.h" 25 #include "xfa/src/fxbarcode/common/BC_CommonBitArray.h" 26 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" 27 #include "BC_PDF417Compaction.h" 28 #include "BC_PDF417.h" 29 #include "BC_PDF417BarcodeMatrix.h" 30 #include "BC_PDF417Writer.h" 31 CBC_PDF417Writer::CBC_PDF417Writer() { 32 m_bFixedSize = FALSE; 33 } 34 CBC_PDF417Writer::~CBC_PDF417Writer() { 35 m_bTruncated = TRUE; 36 } 37 FX_BOOL CBC_PDF417Writer::SetErrorCorrectionLevel(int32_t level) { 38 if (level < 0 || level > 8) { 39 return FALSE; 40 } 41 m_iCorrectLevel = level; 42 return TRUE; 43 } 44 void CBC_PDF417Writer::SetTruncated(FX_BOOL truncated) { 45 m_bTruncated = truncated; 46 } 47 uint8_t* CBC_PDF417Writer::Encode(const CFX_WideString& contents, 48 int32_t& outWidth, 49 int32_t& outHeight, 50 int32_t& e) { 51 CBC_PDF417 encoder; 52 int32_t col = (m_Width / m_ModuleWidth - 69) / 17; 53 int32_t row = m_Height / (m_ModuleWidth * 20); 54 if (row >= 3 && row <= 90 && col >= 1 && col <= 30) { 55 encoder.setDimensions(col, col, row, row); 56 } else if (col >= 1 && col <= 30) { 57 encoder.setDimensions(col, col, 90, 3); 58 } else if (row >= 3 && row <= 90) { 59 encoder.setDimensions(30, 1, row, row); 60 } 61 encoder.generateBarcodeLogic(contents, m_iCorrectLevel, e); 62 BC_EXCEPTION_CHECK_ReturnValue(e, NULL); 63 int32_t lineThickness = 2; 64 int32_t aspectRatio = 4; 65 CBC_BarcodeMatrix* barcodeMatrix = encoder.getBarcodeMatrix(); 66 CFX_ByteArray originalScale; 67 originalScale.Copy(barcodeMatrix->getScaledMatrix( 68 lineThickness, aspectRatio * lineThickness)); 69 int32_t width = outWidth; 70 int32_t height = outHeight; 71 outWidth = barcodeMatrix->getWidth(); 72 outHeight = barcodeMatrix->getHeight(); 73 FX_BOOL rotated = FALSE; 74 if ((height > width) ^ (outWidth < outHeight)) { 75 rotateArray(originalScale, outHeight, outWidth); 76 rotated = TRUE; 77 int32_t temp = outHeight; 78 outHeight = outWidth; 79 outWidth = temp; 80 } 81 int32_t scaleX = width / outWidth; 82 int32_t scaleY = height / outHeight; 83 int32_t scale; 84 if (scaleX < scaleY) { 85 scale = scaleX; 86 } else { 87 scale = scaleY; 88 } 89 if (scale > 1) { 90 originalScale.RemoveAll(); 91 originalScale.Copy(barcodeMatrix->getScaledMatrix( 92 scale * lineThickness, scale * aspectRatio * lineThickness)); 93 if (rotated) { 94 rotateArray(originalScale, outHeight, outWidth); 95 int32_t temp = outHeight; 96 outHeight = outWidth; 97 outWidth = temp; 98 } 99 } 100 uint8_t* result = FX_Alloc2D(uint8_t, outHeight, outWidth); 101 FXSYS_memcpy(result, originalScale.GetData(), outHeight * outWidth); 102 return result; 103 } 104 void CBC_PDF417Writer::rotateArray(CFX_ByteArray& bitarray, 105 int32_t height, 106 int32_t width) { 107 CFX_ByteArray temp; 108 temp.Copy(bitarray); 109 for (int32_t ii = 0; ii < height; ii++) { 110 int32_t inverseii = height - ii - 1; 111 for (int32_t jj = 0; jj < width; jj++) { 112 bitarray[jj * height + inverseii] = temp[ii * width + jj]; 113 } 114 } 115 } 116
