Index: xfa/src/fxbarcode/src/BC_DataMatrixDetector.cpp |
diff --git a/xfa/src/fxbarcode/src/BC_DataMatrixDetector.cpp b/xfa/src/fxbarcode/src/BC_DataMatrixDetector.cpp |
deleted file mode 100644 |
index ff956f8e95a8c035f7c3ffaf37c4a9e5821f6428..0000000000000000000000000000000000000000 |
--- a/xfa/src/fxbarcode/src/BC_DataMatrixDetector.cpp |
+++ /dev/null |
@@ -1,368 +0,0 @@ |
-// 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 2008 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 "include/BC_DataMatrixDetector.h" |
-#include "include/BC_WhiteRectangleDetector.h" |
-#include "include/BC_ResultPoint.h" |
-#include "include/BC_QRFinderPatternFinder.h" |
-#include "include/BC_CommonBitMatrix.h" |
-#include "include/BC_QRDetectorResult.h" |
-#include "include/BC_QRGridSampler.h" |
-const FX_INT32 CBC_DataMatrixDetector::INTEGERS[5] = {0, 1, 2, 3, 4}; |
-CBC_DataMatrixDetector::CBC_DataMatrixDetector(CBC_CommonBitMatrix *image): |
- m_image(image), m_rectangleDetector(NULL) |
-{ |
-} |
-void CBC_DataMatrixDetector::Init(FX_INT32 &e) |
-{ |
- m_rectangleDetector = FX_NEW CBC_WhiteRectangleDetector(m_image); |
- m_rectangleDetector->Init(e); |
- BC_EXCEPTION_CHECK_ReturnVoid(e); |
-} |
-CBC_DataMatrixDetector::~CBC_DataMatrixDetector() |
-{ |
- if(m_rectangleDetector != NULL) { |
- delete m_rectangleDetector; |
- } |
- m_rectangleDetector = NULL; |
-} |
-inline FX_BOOL ResultPointsAndTransitionsComparator(FX_LPVOID a, FX_LPVOID b) |
-{ |
- return ((CBC_ResultPointsAndTransitions *)b)->GetTransitions() > ((CBC_ResultPointsAndTransitions *)a)->GetTransitions(); |
-} |
-CBC_QRDetectorResult *CBC_DataMatrixDetector::Detect(FX_INT32 &e) |
-{ |
- CFX_PtrArray* cornerPoints = m_rectangleDetector->Detect(e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- CBC_ResultPoint *pointA = (CBC_ResultPoint*)(*cornerPoints)[0]; |
- CBC_ResultPoint *pointB = (CBC_ResultPoint*)(*cornerPoints)[1]; |
- CBC_ResultPoint *pointC = (CBC_ResultPoint*)(*cornerPoints)[2]; |
- CBC_ResultPoint *pointD = (CBC_ResultPoint*)(*cornerPoints)[3]; |
- delete cornerPoints; |
- cornerPoints = NULL; |
- CFX_PtrArray transitions; |
- transitions.Add(TransitionsBetween(pointA, pointB)); |
- transitions.Add(TransitionsBetween(pointA, pointC)); |
- transitions.Add(TransitionsBetween(pointB, pointD)); |
- transitions.Add(TransitionsBetween(pointC, pointD)); |
- BC_FX_PtrArray_Sort(transitions, &ResultPointsAndTransitionsComparator); |
- delete ( (CBC_ResultPointsAndTransitions *)transitions[2] ); |
- delete ( (CBC_ResultPointsAndTransitions *)transitions[3] ); |
- CBC_ResultPointsAndTransitions *lSideOne = (CBC_ResultPointsAndTransitions*)transitions[0]; |
- CBC_ResultPointsAndTransitions *lSideTwo = (CBC_ResultPointsAndTransitions*)transitions[1]; |
- CFX_MapPtrTemplate<CBC_ResultPoint*, FX_INT32> pointCount; |
- Increment(pointCount, lSideOne->GetFrom()); |
- Increment(pointCount, lSideOne->GetTo()); |
- Increment(pointCount, lSideTwo->GetFrom()); |
- Increment(pointCount, lSideTwo->GetTo()); |
- delete ( (CBC_ResultPointsAndTransitions *)transitions[1] ); |
- delete ( (CBC_ResultPointsAndTransitions *)transitions[0] ); |
- transitions.RemoveAll(); |
- CBC_ResultPoint *maybeTopLeft = NULL; |
- CBC_ResultPoint *bottomLeft = NULL; |
- CBC_ResultPoint *maybeBottomRight = NULL; |
- FX_POSITION itBegin = pointCount.GetStartPosition(); |
- while(itBegin != NULL) { |
- CBC_ResultPoint *key = 0; |
- FX_INT32 value = 0; |
- pointCount.GetNextAssoc(itBegin, key, value); |
- if(value == 2) { |
- bottomLeft = key; |
- } else { |
- if (maybeBottomRight == NULL) { |
- maybeBottomRight = key; |
- } else { |
- maybeTopLeft = key; |
- } |
- } |
- } |
- if (maybeTopLeft == NULL || bottomLeft == NULL || maybeBottomRight == NULL) { |
- delete pointA; |
- delete pointB; |
- delete pointC; |
- delete pointD; |
- e = BCExceptionNotFound; |
- return NULL; |
- } |
- CFX_PtrArray corners; |
- corners.SetSize(3); |
- corners[0] = maybeTopLeft; |
- corners[1] = bottomLeft; |
- corners[2] = maybeBottomRight; |
- OrderBestPatterns(&corners); |
- CBC_ResultPoint *bottomRight = (CBC_ResultPoint*)corners[0]; |
- bottomLeft = (CBC_ResultPoint*)corners[1]; |
- CBC_ResultPoint *topLeft = (CBC_ResultPoint*)corners[2]; |
- CBC_ResultPoint *topRight = NULL; |
- FX_INT32 value; |
- if (!pointCount.Lookup(pointA, value)) { |
- topRight = pointA; |
- } else if (!pointCount.Lookup(pointB, value)) { |
- topRight = pointB; |
- } else if (!pointCount.Lookup(pointC, value)) { |
- topRight = pointC; |
- } else { |
- topRight = pointD; |
- } |
- FX_INT32 dimensionTop = CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(topLeft, topRight))->GetTransitions(); |
- FX_INT32 dimensionRight = CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(bottomRight, topRight))->GetTransitions(); |
- if ((dimensionTop & 0x01) == 1) { |
- dimensionTop++; |
- } |
- dimensionTop += 2; |
- if ((dimensionRight & 0x01) == 1) { |
- dimensionRight++; |
- } |
- dimensionRight += 2; |
- CBC_AutoPtr<CBC_CommonBitMatrix> bits(NULL); |
- CBC_AutoPtr<CBC_ResultPoint> correctedTopRight(NULL); |
- if (4 * dimensionTop >= 7 * dimensionRight || 4 * dimensionRight >= 7 * dimensionTop) { |
- correctedTopRight = |
- CBC_AutoPtr<CBC_ResultPoint>(CorrectTopRightRectangular(bottomLeft, bottomRight, topLeft, topRight, |
- dimensionTop, dimensionRight)); |
- if (correctedTopRight.get() == NULL) { |
- correctedTopRight = CBC_AutoPtr<CBC_ResultPoint>(topRight); |
- } else { |
- delete topRight; |
- topRight = NULL; |
- } |
- dimensionTop = CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(topLeft, correctedTopRight.get()))->GetTransitions(); |
- dimensionRight = CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(bottomRight, correctedTopRight.get()))->GetTransitions(); |
- if ((dimensionTop & 0x01) == 1) { |
- dimensionTop++; |
- } |
- if ((dimensionRight & 0x01) == 1) { |
- dimensionRight++; |
- } |
- bits = CBC_AutoPtr<CBC_CommonBitMatrix>(SampleGrid(m_image, topLeft, bottomLeft, bottomRight, |
- correctedTopRight.get(), dimensionTop, dimensionRight, e)); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } else { |
- FX_INT32 dimension = FX_MIN(dimensionRight, dimensionTop); |
- correctedTopRight = CBC_AutoPtr<CBC_ResultPoint>(CorrectTopRight(bottomLeft, bottomRight, |
- topLeft, topRight, dimension)); |
- if (correctedTopRight.get() == NULL) { |
- correctedTopRight = CBC_AutoPtr<CBC_ResultPoint>(topRight); |
- } else { |
- delete topRight; |
- topRight = NULL; |
- } |
- FX_INT32 dimensionCorrected = FX_MAX(CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(topLeft, correctedTopRight.get()))->GetTransitions(), |
- CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(bottomRight, correctedTopRight.get()))->GetTransitions()); |
- dimensionCorrected++; |
- if ((dimensionCorrected & 0x01) == 1) { |
- dimensionCorrected++; |
- } |
- bits = CBC_AutoPtr<CBC_CommonBitMatrix>(SampleGrid(m_image, |
- topLeft, |
- bottomLeft, |
- bottomRight, |
- correctedTopRight.get(), |
- dimensionCorrected, |
- dimensionCorrected, e)); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- } |
- CFX_PtrArray *result = FX_NEW CFX_PtrArray; |
- result->SetSize(4); |
- result->Add(topLeft); |
- result->Add(bottomLeft); |
- result->Add(bottomRight); |
- result->Add(correctedTopRight.release()); |
- return FX_NEW CBC_QRDetectorResult(bits.release(), result); |
-} |
-CBC_ResultPoint *CBC_DataMatrixDetector::CorrectTopRightRectangular(CBC_ResultPoint *bottomLeft, CBC_ResultPoint *bottomRight, CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight, FX_INT32 dimensionTop, FX_INT32 dimensionRight) |
-{ |
- FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimensionTop; |
- FX_INT32 norm = Distance(topLeft, topRight); |
- FX_FLOAT cos = (topRight->GetX() - topLeft->GetX()) / norm; |
- FX_FLOAT sin = (topRight->GetY() - topLeft->GetY()) / norm; |
- CBC_AutoPtr<CBC_ResultPoint> c1(FX_NEW CBC_ResultPoint(topRight->GetX() + corr * cos, topRight->GetY() + corr * sin)); |
- corr = Distance(bottomLeft, topLeft) / (FX_FLOAT)dimensionRight; |
- norm = Distance(bottomRight, topRight); |
- cos = (topRight->GetX() - bottomRight->GetX()) / norm; |
- sin = (topRight->GetY() - bottomRight->GetY()) / norm; |
- CBC_AutoPtr<CBC_ResultPoint> c2(FX_NEW CBC_ResultPoint(topRight->GetX() + corr * cos, topRight->GetY() + corr * sin)); |
- if (!IsValid(c1.get())) { |
- if (IsValid(c2.get())) { |
- return c2.release(); |
- } |
- return NULL; |
- } else if (!IsValid(c2.get())) { |
- return c1.release(); |
- } |
- FX_INT32 l1 = FXSYS_abs(dimensionTop - CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(topLeft, c1.get()))->GetTransitions()) + |
- FXSYS_abs(dimensionRight - CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(bottomRight, c1.get()))->GetTransitions()); |
- FX_INT32 l2 = FXSYS_abs(dimensionTop - CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(topLeft, c2.get()))->GetTransitions()) + |
- FXSYS_abs(dimensionRight - CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(bottomRight, c2.get()))->GetTransitions()); |
- if (l1 <= l2) { |
- return c1.release(); |
- } |
- return c2.release(); |
-} |
-CBC_ResultPoint *CBC_DataMatrixDetector::CorrectTopRight(CBC_ResultPoint *bottomLeft, CBC_ResultPoint *bottomRight, CBC_ResultPoint *topLeft, CBC_ResultPoint *topRight, FX_INT32 dimension) |
-{ |
- FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT) dimension; |
- FX_INT32 norm = Distance(topLeft, topRight); |
- FX_FLOAT cos = (topRight->GetX() - topLeft->GetX()) / norm; |
- FX_FLOAT sin = (topRight->GetY() - topLeft->GetY()) / norm; |
- CBC_AutoPtr<CBC_ResultPoint> c1(FX_NEW CBC_ResultPoint(topRight->GetX() + corr * cos, topRight->GetY() + corr * sin)); |
- corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT) dimension; |
- norm = Distance(bottomRight, topRight); |
- cos = (topRight->GetX() - bottomRight->GetX()) / norm; |
- sin = (topRight->GetY() - bottomRight->GetY()) / norm; |
- CBC_AutoPtr<CBC_ResultPoint> c2(FX_NEW CBC_ResultPoint(topRight->GetX() + corr * cos, topRight->GetY() + corr * sin)); |
- if (!IsValid(c1.get())) { |
- if (IsValid(c2.get())) { |
- return c2.release(); |
- } |
- return NULL; |
- } else if (!IsValid(c2.get())) { |
- return c1.release(); |
- } |
- FX_INT32 l1 = FXSYS_abs(CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(topLeft, c1.get()))->GetTransitions() - |
- CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(bottomRight, c1.get()))->GetTransitions()); |
- FX_INT32 l2 = FXSYS_abs(CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(topLeft, c2.get()))->GetTransitions() - |
- CBC_AutoPtr<CBC_ResultPointsAndTransitions>(TransitionsBetween(bottomRight, c2.get()))->GetTransitions()); |
- return l1 <= l2 ? c1.release() : c2.release(); |
-} |
-FX_BOOL CBC_DataMatrixDetector::IsValid(CBC_ResultPoint *p) |
-{ |
- return p->GetX() >= 0 && p->GetX() < m_image->GetWidth() && p->GetY() > 0 && p->GetY() < m_image->GetHeight(); |
-} |
-FX_INT32 CBC_DataMatrixDetector::Round(FX_FLOAT d) |
-{ |
- return (FX_INT32) (d + 0.5f); |
-} |
-FX_INT32 CBC_DataMatrixDetector::Distance(CBC_ResultPoint *a, CBC_ResultPoint *b) |
-{ |
- return Round((FX_FLOAT) sqrt((a->GetX() - b->GetX()) |
- * (a->GetX() - b->GetX()) + (a->GetY() - b->GetY()) |
- * (a->GetY() - b->GetY()))); |
-} |
-void CBC_DataMatrixDetector::Increment(CFX_MapPtrTemplate<CBC_ResultPoint*, FX_INT32> &table, CBC_ResultPoint *key) |
-{ |
- FX_INT32 value; |
- if(table.Lookup(key, value)) { |
- table.SetAt(key, INTEGERS[value + 1]); |
- } else { |
- table.SetAt(key, INTEGERS[1]); |
- } |
-} |
-CBC_CommonBitMatrix *CBC_DataMatrixDetector::SampleGrid(CBC_CommonBitMatrix *image, |
- CBC_ResultPoint *topLeft, |
- CBC_ResultPoint *bottomLeft, |
- CBC_ResultPoint *bottomRight, |
- CBC_ResultPoint *topRight, |
- FX_INT32 dimensionX, FX_INT32 dimensionY, FX_INT32 &e) |
-{ |
- CBC_QRGridSampler &sampler = CBC_QRGridSampler::GetInstance(); |
- CBC_CommonBitMatrix* cbm = sampler.SampleGrid(image, |
- dimensionX, |
- dimensionY, |
- 0.5f, |
- 0.5f, |
- dimensionX - 0.5f, |
- 0.5f, |
- dimensionX - 0.5f, |
- dimensionY - 0.5f, |
- 0.5f, |
- dimensionY - 0.5f, |
- topLeft->GetX(), |
- topLeft->GetY(), |
- topRight->GetX(), |
- topRight->GetY(), |
- bottomRight->GetX(), |
- bottomRight->GetY(), |
- bottomLeft->GetX(), |
- bottomLeft->GetY(), e); |
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL); |
- return cbm; |
-} |
-CBC_ResultPointsAndTransitions *CBC_DataMatrixDetector::TransitionsBetween(CBC_ResultPoint *from, CBC_ResultPoint *to) |
-{ |
- FX_INT32 fromX = (FX_INT32) from->GetX(); |
- FX_INT32 fromY = (FX_INT32) from->GetY(); |
- FX_INT32 toX = (FX_INT32) to->GetX(); |
- FX_INT32 toY = (FX_INT32) to->GetY(); |
- FX_BOOL steep = FXSYS_abs(toY - fromY) > FXSYS_abs(toX - fromX); |
- if (steep) { |
- FX_INT32 temp = fromX; |
- fromX = fromY; |
- fromY = temp; |
- temp = toX; |
- toX = toY; |
- toY = temp; |
- } |
- FX_INT32 dx = FXSYS_abs(toX - fromX); |
- FX_INT32 dy = FXSYS_abs(toY - fromY); |
- FX_INT32 error = -dx >> 1; |
- FX_INT32 ystep = fromY < toY ? 1 : -1; |
- FX_INT32 xstep = fromX < toX ? 1 : -1; |
- FX_INT32 transitions = 0; |
- FX_BOOL inBlack = m_image->Get(steep ? fromY : fromX, steep ? fromX : fromY); |
- for (FX_INT32 x = fromX, y = fromY; x != toX; x += xstep) { |
- FX_BOOL isBlack = m_image->Get(steep ? y : x, steep ? x : y); |
- if (isBlack != inBlack) { |
- transitions++; |
- inBlack = isBlack; |
- } |
- error += dy; |
- if (error > 0) { |
- if (y == toY) { |
- break; |
- } |
- y += ystep; |
- error -= dx; |
- } |
- } |
- return FX_NEW CBC_ResultPointsAndTransitions(from, to, transitions); |
-} |
-void CBC_DataMatrixDetector::OrderBestPatterns(CFX_PtrArray *patterns) |
-{ |
- FX_FLOAT abDistance = (FX_FLOAT)Distance((CBC_ResultPoint*)(*patterns)[0], (CBC_ResultPoint*)(*patterns)[1]); |
- FX_FLOAT bcDistance = (FX_FLOAT)Distance((CBC_ResultPoint*)(*patterns)[1], (CBC_ResultPoint*)(*patterns)[2]); |
- FX_FLOAT acDistance = (FX_FLOAT)Distance((CBC_ResultPoint*)(*patterns)[0], (CBC_ResultPoint*)(*patterns)[2]); |
- CBC_ResultPoint *topLeft, *topRight, *bottomLeft; |
- if (bcDistance >= abDistance && bcDistance >= acDistance) { |
- topLeft = (CBC_ResultPoint*)(*patterns)[0]; |
- topRight = (CBC_ResultPoint*)(*patterns)[1]; |
- bottomLeft = (CBC_ResultPoint*)(*patterns)[2]; |
- } else if (acDistance >= bcDistance && acDistance >= abDistance) { |
- topLeft = (CBC_ResultPoint*)(*patterns)[1]; |
- topRight = (CBC_ResultPoint*)(*patterns)[0]; |
- bottomLeft = (CBC_ResultPoint*)(*patterns)[2]; |
- } else { |
- topLeft = (CBC_ResultPoint*)(*patterns)[2]; |
- topRight = (CBC_ResultPoint*)(*patterns)[0]; |
- bottomLeft = (CBC_ResultPoint*)(*patterns)[1]; |
- } |
- if ((bottomLeft->GetY() - topLeft->GetY()) * (topRight->GetX() - topLeft->GetX()) < (bottomLeft->GetX() |
- - topLeft->GetX()) * (topRight->GetY() - topLeft->GetY())) { |
- CBC_ResultPoint *temp = topRight; |
- topRight = bottomLeft; |
- bottomLeft = temp; |
- } |
- (*patterns)[0] = bottomLeft; |
- (*patterns)[1] = topLeft; |
- (*patterns)[2] = topRight; |
-} |