From dcb75e7b05077847f98e8340ec5321dc0c00ad10 Mon Sep 17 00:00:00 2001
From: Krad <kradchen123@163.com>
Date: Fri, 15 Apr 2022 09:20:18 +0800
Subject: [PATCH] Change check fusion status logic.

---
 src/src/view/viewcontainerwidget.cpp | 44 +++++++++++++++-------------
 src/src/view/viewcontainerwidget.h   |  9 ++++++
 2 files changed, 33 insertions(+), 20 deletions(-)

diff --git a/src/src/view/viewcontainerwidget.cpp b/src/src/view/viewcontainerwidget.cpp
index 826f8a9..5496acc 100644
--- a/src/src/view/viewcontainerwidget.cpp
+++ b/src/src/view/viewcontainerwidget.cpp
@@ -1,4 +1,4 @@
-#include "viewcontainerwidget.h"
+#include "viewcontainerwidget.h"
 #include "thumbnailImage.h"
 #include "DicomLoader.h"
 #include <QWidget>
@@ -376,28 +376,32 @@ void ViewContainerWidget::removeCurrentViewWithFusion()
 	}
 }
 
-
+bool compareDoubleArray(double* a, double* b, int valCount){
+    static const double m = 1.0;
+    for (int i = 0; i < valCount; i++){
+        if (fabs(a[i]-b[i])>m) return false;
+    }
+    return true;
+}
 
 bool ViewContainerWidget::checkFusionStatus(DicomImageView *base, DicomImageView* overlap)
 {
-	if (nullptr == base || nullptr == overlap)
-	{
-
-		return false;
-	}
-	if (!base->HasSeries() || !overlap->HasSeries())
-	{
-		return false;
-	}
-	if (base->getSeriesNumber() != DicomModality::ReflMode)
-	{
-		return false;
-	}
-	if (overlap->getSeriesNumber() == DicomModality::AttMode || overlap->getSeriesNumber() == DicomModality::SosMode)
-	{
-		return true;
-	}
-	return false;
+    SeriesImageSet* baseSeries = base->getSeriesInstance();
+    SeriesImageSet* overlapSeries = overlap->getSeriesInstance();
+	// no data
+	if (!base->HasSeries() || !overlap->HasSeries()) return false;
+    // diff study
+    if (baseSeries->getStudyUID() == nullptr ||
+        strcmp(baseSeries->getStudyUID(), overlapSeries->getStudyUID())!=0) return false;
+	//same series
+	if (baseSeries->GetSeriesNumber() == overlapSeries->GetSeriesNumber()) return false;
+	//diff position
+    if (!compareDoubleArray(baseSeries->GetProperty()->GetPosition(),overlapSeries->GetProperty()->GetPosition(),3)) return false;
+    //diff orientation
+    if (!compareDoubleArray(baseSeries->GetProperty()->GetDirectionCosine(),overlapSeries->GetProperty()->GetDirectionCosine(),6)) return false;
+    //diff bounds
+    if (!compareDoubleArray(baseSeries->GetData()->GetBounds(), overlapSeries->GetData()->GetBounds(),6)) return false;
+	return true;
 }
 
 void ViewContainerWidget::updateCornerInfoAll() {
diff --git a/src/src/view/viewcontainerwidget.h b/src/src/view/viewcontainerwidget.h
index dea962d..181fcb8 100644
--- a/src/src/view/viewcontainerwidget.h
+++ b/src/src/view/viewcontainerwidget.h
@@ -70,6 +70,15 @@ protected:
 private:
 	//fusion
 	void replaceViewWithFusion();
+
+    /**
+     * 判断是否能fusion,判断依据为是否相同Study，
+     * 且是否相同ImageOrientation和ImagePosition,
+     * 两边的Bounds是否一致
+     * @param base 基础数据源View
+     * @param overlap 覆盖数据源View
+     * @return
+     */
 	bool checkFusionStatus(DicomImageView *base, DicomImageView* overlap);
 
 	DicomImageView *createImageView(QWidget* parent);