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Unified Diff: xfa/src/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp

Issue 1636873004: XFA: Fix DOS newlines (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: All of them Created 4 years, 11 months ago
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Index: xfa/src/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
diff --git a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
index 27c29afe77c75db81915f47851618405792d651e..9a769b05fec9939ee1dc84c73c454a44d5b5f06c 100644
--- a/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
+++ b/xfa/src/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
@@ -1,406 +1,406 @@
-// 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 <algorithm>
-
-#include "xfa/src/fxbarcode/barcode.h"
-#include "xfa/src/fxbarcode/BC_ResultPoint.h"
-#include "xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h"
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/qrcode/BC_QRFinderPatternFinder.h"
-#include "xfa/src/fxbarcode/qrcode/BC_QRDetectorResult.h"
-#include "xfa/src/fxbarcode/qrcode/BC_QRGridSampler.h"
-#include "BC_DataMatrixDetector.h"
-const int32_t 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(int32_t& e) {
- m_rectangleDetector = 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(void* a, void* b) {
- return ((CBC_ResultPointsAndTransitions*)b)->GetTransitions() >
- ((CBC_ResultPointsAndTransitions*)a)->GetTransitions();
-}
-CBC_QRDetectorResult* CBC_DataMatrixDetector::Detect(int32_t& 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*, int32_t> 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;
- int32_t 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;
- int32_t 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;
- }
- int32_t dimensionTop = CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
- TransitionsBetween(topLeft, topRight))
- ->GetTransitions();
- int32_t 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 {
- int32_t dimension = std::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;
- }
- int32_t dimensionCorrected =
- std::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 = new CFX_PtrArray;
- result->SetSize(4);
- result->Add(topLeft);
- result->Add(bottomLeft);
- result->Add(bottomRight);
- result->Add(correctedTopRight.release());
- return new CBC_QRDetectorResult(bits.release(), result);
-}
-CBC_ResultPoint* CBC_DataMatrixDetector::CorrectTopRightRectangular(
- CBC_ResultPoint* bottomLeft,
- CBC_ResultPoint* bottomRight,
- CBC_ResultPoint* topLeft,
- CBC_ResultPoint* topRight,
- int32_t dimensionTop,
- int32_t dimensionRight) {
- FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimensionTop;
- int32_t 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(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(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();
- }
- int32_t 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());
- int32_t 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,
- int32_t dimension) {
- FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimension;
- int32_t 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(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(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();
- }
- int32_t l1 = FXSYS_abs(CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
- TransitionsBetween(topLeft, c1.get()))
- ->GetTransitions() -
- CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
- TransitionsBetween(bottomRight, c1.get()))
- ->GetTransitions());
- int32_t 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();
-}
-int32_t CBC_DataMatrixDetector::Round(FX_FLOAT d) {
- return (int32_t)(d + 0.5f);
-}
-int32_t 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*, int32_t>& table,
- CBC_ResultPoint* key) {
- int32_t 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,
- int32_t dimensionX,
- int32_t dimensionY,
- int32_t& 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) {
- int32_t fromX = (int32_t)from->GetX();
- int32_t fromY = (int32_t)from->GetY();
- int32_t toX = (int32_t)to->GetX();
- int32_t toY = (int32_t)to->GetY();
- FX_BOOL steep = FXSYS_abs(toY - fromY) > FXSYS_abs(toX - fromX);
- if (steep) {
- int32_t temp = fromX;
- fromX = fromY;
- fromY = temp;
- temp = toX;
- toX = toY;
- toY = temp;
- }
- int32_t dx = FXSYS_abs(toX - fromX);
- int32_t dy = FXSYS_abs(toY - fromY);
- int32_t error = -dx >> 1;
- int32_t ystep = fromY < toY ? 1 : -1;
- int32_t xstep = fromX < toX ? 1 : -1;
- int32_t transitions = 0;
- FX_BOOL inBlack = m_image->Get(steep ? fromY : fromX, steep ? fromX : fromY);
- for (int32_t 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 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;
-}
+// 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 <algorithm>
+
+#include "xfa/src/fxbarcode/barcode.h"
+#include "xfa/src/fxbarcode/BC_ResultPoint.h"
+#include "xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.h"
+#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/src/fxbarcode/qrcode/BC_QRFinderPatternFinder.h"
+#include "xfa/src/fxbarcode/qrcode/BC_QRDetectorResult.h"
+#include "xfa/src/fxbarcode/qrcode/BC_QRGridSampler.h"
+#include "BC_DataMatrixDetector.h"
+const int32_t 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(int32_t& e) {
+ m_rectangleDetector = 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(void* a, void* b) {
+ return ((CBC_ResultPointsAndTransitions*)b)->GetTransitions() >
+ ((CBC_ResultPointsAndTransitions*)a)->GetTransitions();
+}
+CBC_QRDetectorResult* CBC_DataMatrixDetector::Detect(int32_t& 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*, int32_t> 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;
+ int32_t 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;
+ int32_t 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;
+ }
+ int32_t dimensionTop = CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
+ TransitionsBetween(topLeft, topRight))
+ ->GetTransitions();
+ int32_t 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 {
+ int32_t dimension = std::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;
+ }
+ int32_t dimensionCorrected =
+ std::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 = new CFX_PtrArray;
+ result->SetSize(4);
+ result->Add(topLeft);
+ result->Add(bottomLeft);
+ result->Add(bottomRight);
+ result->Add(correctedTopRight.release());
+ return new CBC_QRDetectorResult(bits.release(), result);
+}
+CBC_ResultPoint* CBC_DataMatrixDetector::CorrectTopRightRectangular(
+ CBC_ResultPoint* bottomLeft,
+ CBC_ResultPoint* bottomRight,
+ CBC_ResultPoint* topLeft,
+ CBC_ResultPoint* topRight,
+ int32_t dimensionTop,
+ int32_t dimensionRight) {
+ FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimensionTop;
+ int32_t 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(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(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();
+ }
+ int32_t 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());
+ int32_t 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,
+ int32_t dimension) {
+ FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimension;
+ int32_t 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(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(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();
+ }
+ int32_t l1 = FXSYS_abs(CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
+ TransitionsBetween(topLeft, c1.get()))
+ ->GetTransitions() -
+ CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
+ TransitionsBetween(bottomRight, c1.get()))
+ ->GetTransitions());
+ int32_t 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();
+}
+int32_t CBC_DataMatrixDetector::Round(FX_FLOAT d) {
+ return (int32_t)(d + 0.5f);
+}
+int32_t 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*, int32_t>& table,
+ CBC_ResultPoint* key) {
+ int32_t 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,
+ int32_t dimensionX,
+ int32_t dimensionY,
+ int32_t& 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) {
+ int32_t fromX = (int32_t)from->GetX();
+ int32_t fromY = (int32_t)from->GetY();
+ int32_t toX = (int32_t)to->GetX();
+ int32_t toY = (int32_t)to->GetY();
+ FX_BOOL steep = FXSYS_abs(toY - fromY) > FXSYS_abs(toX - fromX);
+ if (steep) {
+ int32_t temp = fromX;
+ fromX = fromY;
+ fromY = temp;
+ temp = toX;
+ toX = toY;
+ toY = temp;
+ }
+ int32_t dx = FXSYS_abs(toX - fromX);
+ int32_t dy = FXSYS_abs(toY - fromY);
+ int32_t error = -dx >> 1;
+ int32_t ystep = fromY < toY ? 1 : -1;
+ int32_t xstep = fromX < toX ? 1 : -1;
+ int32_t transitions = 0;
+ FX_BOOL inBlack = m_image->Get(steep ? fromY : fromX, steep ? fromX : fromY);
+ for (int32_t 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 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;
+}
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