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

Issue 1937513002: Replace CFX_PtrArray with typesafe CFX_ArrayTemplate, part 8 (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Flip if/else. Created 4 years, 8 months ago
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Index: xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
diff --git a/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp b/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
index fd410097ccc956dc4a0f2894de5ad62dc86a329a..9fd1bbc4a0af39409220d1f51d3eb84023604f4c 100644
--- a/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
+++ b/xfa/fxbarcode/datamatrix/BC_DataMatrixDetector.cpp
@@ -35,7 +35,7 @@
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) {}
+ : m_image(image), m_rectangleDetector(nullptr) {}
void CBC_DataMatrixDetector::Init(int32_t& e) {
m_rectangleDetector = new CBC_WhiteRectangleDetector(m_image);
m_rectangleDetector->Init(e);
@@ -44,42 +44,44 @@ void CBC_DataMatrixDetector::Init(int32_t& e) {
CBC_DataMatrixDetector::~CBC_DataMatrixDetector() {
delete m_rectangleDetector;
}
-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];
+ CFX_ArrayTemplate<CBC_ResultPoint*>* cornerPoints =
+ m_rectangleDetector->Detect(e);
+ BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
+ CBC_ResultPoint* pointA = (*cornerPoints)[0];
+ CBC_ResultPoint* pointB = (*cornerPoints)[1];
+ CBC_ResultPoint* pointC = (*cornerPoints)[2];
+ CBC_ResultPoint* pointD = (*cornerPoints)[3];
delete cornerPoints;
- cornerPoints = NULL;
- CFX_PtrArray transitions;
+
+ CFX_ArrayTemplate<CBC_ResultPointsAndTransitions*> 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];
+ std::sort(transitions.GetData(),
+ transitions.GetData() + transitions.GetSize(),
+ [](const CBC_ResultPointsAndTransitions* a,
+ const CBC_ResultPointsAndTransitions* b) {
+ return a->GetTransitions() < b->GetTransitions();
+ });
+ delete transitions[2];
+ delete transitions[3];
+
+ CBC_ResultPointsAndTransitions* lSideOne = transitions[0];
+ CBC_ResultPointsAndTransitions* lSideTwo = 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]);
+ delete transitions[1];
+ delete transitions[0];
transitions.RemoveAll();
- CBC_ResultPoint* maybeTopLeft = NULL;
- CBC_ResultPoint* bottomLeft = NULL;
- CBC_ResultPoint* maybeBottomRight = NULL;
+ CBC_ResultPoint* maybeTopLeft = nullptr;
+ CBC_ResultPoint* bottomLeft = nullptr;
+ CBC_ResultPoint* maybeBottomRight = nullptr;
FX_POSITION itBegin = pointCount.GetStartPosition();
while (itBegin) {
CBC_ResultPoint* key = 0;
@@ -88,31 +90,31 @@ CBC_QRDetectorResult* CBC_DataMatrixDetector::Detect(int32_t& e) {
if (value == 2) {
bottomLeft = key;
} else {
- if (maybeBottomRight == NULL) {
- maybeBottomRight = key;
- } else {
+ if (maybeBottomRight) {
maybeTopLeft = key;
+ } else {
+ maybeBottomRight = key;
}
}
}
- if (maybeTopLeft == NULL || bottomLeft == NULL || maybeBottomRight == NULL) {
+ if (!maybeTopLeft || !bottomLeft || !maybeBottomRight) {
delete pointA;
delete pointB;
delete pointC;
delete pointD;
e = BCExceptionNotFound;
- return NULL;
+ return nullptr;
}
- CFX_PtrArray corners;
+ CFX_ArrayTemplate<CBC_ResultPoint*> 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;
+ CBC_ResultPoint* bottomRight = corners[0];
+ bottomLeft = corners[1];
+ CBC_ResultPoint* topLeft = corners[2];
+ CBC_ResultPoint* topRight = nullptr;
int32_t value;
if (!pointCount.Lookup(pointA, value)) {
topRight = pointA;
@@ -144,11 +146,11 @@ CBC_QRDetectorResult* CBC_DataMatrixDetector::Detect(int32_t& e) {
correctedTopRight.reset(
CorrectTopRightRectangular(bottomLeft, bottomRight, topLeft, topRight,
dimensionTop, dimensionRight));
- if (correctedTopRight.get() == NULL) {
+ if (!correctedTopRight.get()) {
correctedTopRight.reset(topRight);
} else {
delete topRight;
- topRight = NULL;
+ topRight = nullptr;
}
dimensionTop = std::unique_ptr<CBC_ResultPointsAndTransitions>(
TransitionsBetween(topLeft, correctedTopRight.get()))
@@ -166,16 +168,16 @@ CBC_QRDetectorResult* CBC_DataMatrixDetector::Detect(int32_t& e) {
bits.reset(SampleGrid(m_image, topLeft, bottomLeft, bottomRight,
correctedTopRight.get(), dimensionTop, dimensionRight,
e));
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
} else {
int32_t dimension = std::min(dimensionRight, dimensionTop);
correctedTopRight.reset(
CorrectTopRight(bottomLeft, bottomRight, topLeft, topRight, dimension));
- if (correctedTopRight.get() == NULL) {
+ if (!correctedTopRight.get()) {
correctedTopRight.reset(topRight);
} else {
delete topRight;
- topRight = NULL;
+ topRight = nullptr;
}
int32_t dimensionCorrected =
std::max(std::unique_ptr<CBC_ResultPointsAndTransitions>(
@@ -191,7 +193,7 @@ CBC_QRDetectorResult* CBC_DataMatrixDetector::Detect(int32_t& e) {
bits.reset(SampleGrid(m_image, topLeft, bottomLeft, bottomRight,
correctedTopRight.get(), dimensionCorrected,
dimensionCorrected, e));
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
}
CFX_PtrArray* result = new CFX_PtrArray;
result->SetSize(4);
@@ -224,7 +226,7 @@ CBC_ResultPoint* CBC_DataMatrixDetector::CorrectTopRightRectangular(
if (IsValid(c2.get())) {
return c2.release();
}
- return NULL;
+ return nullptr;
} else if (!IsValid(c2.get())) {
return c1.release();
}
@@ -271,7 +273,7 @@ CBC_ResultPoint* CBC_DataMatrixDetector::CorrectTopRight(
if (IsValid(c2.get())) {
return c2.release();
}
- return NULL;
+ return nullptr;
} else if (!IsValid(c2.get())) {
return c1.release();
}
@@ -328,7 +330,7 @@ CBC_CommonBitMatrix* CBC_DataMatrixDetector::SampleGrid(
topLeft->GetX(), topLeft->GetY(), topRight->GetX(), topRight->GetY(),
bottomRight->GetX(), bottomRight->GetY(), bottomLeft->GetX(),
bottomLeft->GetY(), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+ BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
return cbm;
}
CBC_ResultPointsAndTransitions* CBC_DataMatrixDetector::TransitionsBetween(
@@ -371,26 +373,24 @@ CBC_ResultPointsAndTransitions* CBC_DataMatrixDetector::TransitionsBetween(
}
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]);
+void CBC_DataMatrixDetector::OrderBestPatterns(
+ CFX_ArrayTemplate<CBC_ResultPoint*>* patterns) {
+ FX_FLOAT abDistance = (FX_FLOAT)Distance((*patterns)[0], (*patterns)[1]);
+ FX_FLOAT bcDistance = (FX_FLOAT)Distance((*patterns)[1], (*patterns)[2]);
+ FX_FLOAT acDistance = (FX_FLOAT)Distance((*patterns)[0], (*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];
+ topLeft = (*patterns)[0];
+ topRight = (*patterns)[1];
+ bottomLeft = (*patterns)[2];
} else if (acDistance >= bcDistance && acDistance >= abDistance) {
- topLeft = (CBC_ResultPoint*)(*patterns)[1];
- topRight = (CBC_ResultPoint*)(*patterns)[0];
- bottomLeft = (CBC_ResultPoint*)(*patterns)[2];
+ topLeft = (*patterns)[1];
+ topRight = (*patterns)[0];
+ bottomLeft = (*patterns)[2];
} else {
- topLeft = (CBC_ResultPoint*)(*patterns)[2];
- topRight = (CBC_ResultPoint*)(*patterns)[0];
- bottomLeft = (CBC_ResultPoint*)(*patterns)[1];
+ topLeft = (*patterns)[2];
+ topRight = (*patterns)[0];
+ bottomLeft = (*patterns)[1];
}
if ((bottomLeft->GetY() - topLeft->GetY()) *
(topRight->GetX() - topLeft->GetX()) <
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