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| 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 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "third_party/base/numerics/safe_math.h" | |
| 10 #include "xfa/src/fxbarcode/BC_TwoDimWriter.h" | |
| 11 #include "xfa/src/fxbarcode/BC_Writer.h" | |
| 12 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" | |
| 13 | |
| 14 CBC_TwoDimWriter::CBC_TwoDimWriter() { | |
| 15 m_iCorrectLevel = 1; | |
| 16 m_bFixedSize = TRUE; | |
| 17 m_output = NULL; | |
| 18 } | |
| 19 CBC_TwoDimWriter::~CBC_TwoDimWriter() { | |
| 20 delete m_output; | |
| 21 } | |
| 22 void CBC_TwoDimWriter::RenderDeviceResult(CFX_RenderDevice* device, | |
| 23 const CFX_Matrix* matrix) { | |
| 24 CFX_GraphStateData stateData; | |
| 25 CFX_PathData path; | |
| 26 path.AppendRect(0, 0, (FX_FLOAT)m_Width, (FX_FLOAT)m_Height); | |
| 27 device->DrawPath(&path, matrix, &stateData, m_backgroundColor, | |
| 28 m_backgroundColor, FXFILL_ALTERNATE); | |
| 29 int32_t leftPos = 0; | |
| 30 int32_t topPos = 0; | |
| 31 if (m_bFixedSize) { | |
| 32 leftPos = (m_Width - m_output->GetWidth()) / 2; | |
| 33 topPos = (m_Height - m_output->GetHeight()) / 2; | |
| 34 } | |
| 35 CFX_Matrix matri = *matrix; | |
| 36 if (m_Width < m_output->GetWidth() && m_Height < m_output->GetHeight()) { | |
| 37 CFX_Matrix matriScale( | |
| 38 (FX_FLOAT)m_Width / (FX_FLOAT)m_output->GetWidth(), 0.0, 0.0, | |
| 39 (FX_FLOAT)m_Height / (FX_FLOAT)m_output->GetHeight(), 0.0, 0.0); | |
| 40 matriScale.Concat(*matrix); | |
| 41 matri = matriScale; | |
| 42 } | |
| 43 for (int32_t x = 0; x < m_output->GetWidth(); x++) { | |
| 44 for (int32_t y = 0; y < m_output->GetHeight(); y++) { | |
| 45 CFX_PathData rect; | |
| 46 rect.AppendRect((FX_FLOAT)leftPos + x, (FX_FLOAT)topPos + y, | |
| 47 (FX_FLOAT)(leftPos + x + 1), (FX_FLOAT)(topPos + y + 1)); | |
| 48 CFX_GraphStateData stateData; | |
| 49 if (m_output->Get(x, y)) { | |
| 50 device->DrawPath(&rect, &matri, &stateData, m_barColor, 0, | |
| 51 FXFILL_WINDING); | |
| 52 } | |
| 53 } | |
| 54 } | |
| 55 } | |
| 56 void CBC_TwoDimWriter::RenderBitmapResult(CFX_DIBitmap*& pOutBitmap, | |
| 57 int32_t& e) { | |
| 58 if (m_bFixedSize) { | |
| 59 pOutBitmap = CreateDIBitmap(m_Width, m_Height); | |
| 60 } else { | |
| 61 pOutBitmap = CreateDIBitmap(m_output->GetWidth(), m_output->GetHeight()); | |
| 62 } | |
| 63 if (!pOutBitmap) { | |
| 64 e = BCExceptionFailToCreateBitmap; | |
| 65 return; | |
| 66 } | |
| 67 pOutBitmap->Clear(m_backgroundColor); | |
| 68 int32_t leftPos = 0; | |
| 69 int32_t topPos = 0; | |
| 70 if (m_bFixedSize) { | |
| 71 leftPos = (m_Width - m_output->GetWidth()) / 2; | |
| 72 topPos = (m_Height - m_output->GetHeight()) / 2; | |
| 73 } | |
| 74 for (int32_t x = 0; x < m_output->GetWidth(); x++) { | |
| 75 for (int32_t y = 0; y < m_output->GetHeight(); y++) { | |
| 76 if (m_output->Get(x, y)) { | |
| 77 pOutBitmap->SetPixel(leftPos + x, topPos + y, m_barColor); | |
| 78 } | |
| 79 } | |
| 80 } | |
| 81 if (!m_bFixedSize) { | |
| 82 CFX_DIBitmap* pStretchBitmap = pOutBitmap->StretchTo(m_Width, m_Height); | |
| 83 if (pOutBitmap) { | |
| 84 delete pOutBitmap; | |
| 85 } | |
| 86 pOutBitmap = pStretchBitmap; | |
| 87 } | |
| 88 } | |
| 89 void CBC_TwoDimWriter::RenderResult(uint8_t* code, | |
| 90 int32_t codeWidth, | |
| 91 int32_t codeHeight, | |
| 92 int32_t& e) { | |
| 93 int32_t inputWidth = codeWidth; | |
| 94 int32_t inputHeight = codeHeight; | |
| 95 int32_t tempWidth = inputWidth + 2; | |
| 96 int32_t tempHeight = inputHeight + 2; | |
| 97 FX_FLOAT moduleHSize = std::min(m_ModuleWidth, m_ModuleHeight); | |
| 98 moduleHSize = std::min(moduleHSize, 8.0f); | |
| 99 moduleHSize = std::max(moduleHSize, 1.0f); | |
| 100 pdfium::base::CheckedNumeric<int32_t> scaledWidth = tempWidth; | |
| 101 pdfium::base::CheckedNumeric<int32_t> scaledHeight = tempHeight; | |
| 102 scaledWidth *= moduleHSize; | |
| 103 scaledHeight *= moduleHSize; | |
| 104 | |
| 105 int32_t outputWidth = scaledWidth.ValueOrDie(); | |
| 106 int32_t outputHeight = scaledHeight.ValueOrDie(); | |
| 107 if (m_bFixedSize) { | |
| 108 if (m_Width < outputWidth || m_Height < outputHeight) { | |
| 109 e = BCExceptionBitmapSizeError; | |
| 110 return; | |
| 111 } | |
| 112 } else { | |
| 113 if (m_Width > outputWidth || m_Height > outputHeight) { | |
| 114 outputWidth = (int32_t)(outputWidth * | |
| 115 ceil((FX_FLOAT)m_Width / (FX_FLOAT)outputWidth)); | |
| 116 outputHeight = (int32_t)( | |
| 117 outputHeight * ceil((FX_FLOAT)m_Height / (FX_FLOAT)outputHeight)); | |
| 118 } | |
| 119 } | |
| 120 int32_t multiX = (int32_t)ceil((FX_FLOAT)outputWidth / (FX_FLOAT)tempWidth); | |
| 121 int32_t multiY = (int32_t)ceil((FX_FLOAT)outputHeight / (FX_FLOAT)tempHeight); | |
| 122 if (m_bFixedSize) { | |
| 123 multiX = std::min(multiX, multiY); | |
| 124 multiY = multiX; | |
| 125 } | |
| 126 int32_t leftPadding = (outputWidth - (inputWidth * multiX)) / 2; | |
| 127 int32_t topPadding = (outputHeight - (inputHeight * multiY)) / 2; | |
| 128 if (leftPadding < 0) { | |
| 129 leftPadding = 0; | |
| 130 } | |
| 131 if (topPadding < 0) { | |
| 132 topPadding = 0; | |
| 133 } | |
| 134 m_output = new CBC_CommonBitMatrix; | |
| 135 m_output->Init(outputWidth, outputHeight); | |
| 136 for (int32_t inputY = 0, outputY = topPadding; | |
| 137 (inputY < inputHeight) && (outputY < outputHeight - multiY); | |
| 138 inputY++, outputY += multiY) { | |
| 139 for (int32_t inputX = 0, outputX = leftPadding; | |
| 140 (inputX < inputWidth) && (outputX < outputWidth - multiX); | |
| 141 inputX++, outputX += multiX) { | |
| 142 if (code[inputX + inputY * inputWidth] == 1) { | |
| 143 m_output->SetRegion(outputX, outputY, multiX, multiY, e); | |
| 144 BC_EXCEPTION_CHECK_ReturnVoid(e); | |
| 145 } | |
| 146 } | |
| 147 } | |
| 148 } | |
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