Fixed issue #647. Shoulder tool broken in latest test builds.

--HG--
branch : develop

src/app/share/collection/bugs/Issue_#647.val

@@ -0,0 +1,26 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<pattern>
+    <!--Pattern created with Valentina (http://www.valentina-project.org/).-->
+    <version>0.4.6</version>
+    <unit>cm</unit>
+    <author/>
+    <description/>
+    <notes/>
+    <measurements/>
+    <increments/>
+    <draw name="Pattern piece 1">
+        <calculation>
+            <point type="single" x="0.79375" y="1.05833" id="1" name="A" mx="0.132292" my="0.264583"/>
+            <point type="endLine" typeLine="hair" id="2" name="A1" basePoint="1" mx="0.132292" lineColor="black" angle="180" my="0.264583" length="7"/>
+            <point type="endLine" typeLine="hair" id="3" name="A2" basePoint="2" mx="0.132292" lineColor="black" angle="90" my="0.264583" length="2"/>
+            <point type="endLine" typeLine="hair" id="4" name="A3" basePoint="1" mx="0.132292" lineColor="black" angle="270" my="0.264583" length="14"/>
+            <point type="endLine" typeLine="hair" id="5" name="A4" basePoint="4" mx="0.132292" lineColor="black" angle="180" my="0.264583" length="16"/>
+            <point type="pointOfIntersection" id="6" name="A5" firstPoint="5" secondPoint="2" mx="0.132292" my="0.264583"/>
+            <point type="endLine" typeLine="hair" id="7" name="A6" basePoint="6" mx="0.132292" lineColor="black" angle="270" my="0.264583" length="2"/>
+            <point type="shoulder" typeLine="hair" id="8" name="A7" p2Line="7" pShoulder="3" mx="0.132292" lineColor="black" my="0.264583" length="15" p1Line="2"/>
+        </calculation>
+        <modeling/>
+        <details/>
+        <groups/>
+    </draw>
+</pattern>

src/libs/vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoolshoulderpoint.cpp

@@ -130,15 +130,18 @@ QPointF VToolShoulderPoint::FindPoint(const QPointF &p1Line, const QPointF &p2Li
 
     const qint32 res = VGObject::LineIntersectCircle(pShoulder, length, line, p1, p2);
 
-    // If possition is right we will find only one result.
+    if (res == 1 || res == 2)
-    // If found two cases this is wrong result. Return default position.
-    if (res == 1)
     {
-        const QLineF line = QLineF(p1Line, p1);
+        const QLineF line1 = QLineF(p1Line, p1);
-        if (line.length() > baseLength && baseAngle == qRound(line.angle()))
+        const QLineF line2 = QLineF(p1Line, p2);
+        if (line1.length() > baseLength && baseAngle == qRound(line1.angle()))
         {
             shoulderPoint = p1;
         }
+        else if (res == 2 && line2.length() > baseLength && baseAngle == qRound(line2.angle()))
+        {
+            shoulderPoint = p2;
+        }
     }
 
     return shoulderPoint;

src/test/ValentinaTest/tst_findpoint.cpp

@@ -31,6 +31,7 @@
 #include "../vtools/tools/drawTools/toolpoint/tooldoublepoint/vtooltruedarts.h"
 #include "../vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoollineintersectaxis.h"
 #include "../vtools/tools/drawTools/toolpoint/toolsinglepoint/vtooltriangle.h"
+#include "../vtools/tools/drawTools/toolpoint/toolsinglepoint/toollinepoint/vtoolshoulderpoint.h"
 
 #include <QtTest>
 
@@ -266,3 +267,43 @@ void TST_FindPoint::TestTriangle()
     QPointF resultPoint = VToolTriangle::FindPoint(axisP1, axisP2, firstPoint, secondPoint);
     QCOMPARE(point, resultPoint);
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void TST_FindPoint::TestShoulderPoint_data()
+{
+    QTest::addColumn<QPointF>("p1");
+    QTest::addColumn<QPointF>("p2");
+    QTest::addColumn<QPointF>("pShoulder");
+    QTest::addColumn<qreal>("length");
+    QTest::addColumn<QPointF>("point");
+
+    // See file <root>/src/app/share/collection/bugs/Issue_#647.val
+    QTest::newRow("Value found") << QPointF(-234.5669291338583, 39.999874015748034)
+                                 << QPointF(-574.724409448819, 115.5904251968504)
+                                 << QPointF(-234.5669291338583, -35.590677165354336)
+                                 << 566.92913385826773
+                                 << QPointF(-767.2805101289953, 158.3806697924456);
+
+    // The same file <root>/src/app/share/collection/bugs/Issue_#647.val
+    // The length changed to get default value
+    QPointF p2(-574.724409448819, 115.5904251968504);
+    QTest::newRow("Value not found") << QPointF(-234.5669291338583, 39.999874015748034)
+                                     << p2
+                                     << QPointF(-234.5669291338583, -35.590677165354336)
+                                     << 75.59055118110237
+                                     << p2;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void TST_FindPoint::TestShoulderPoint()
+{
+    QFETCH(QPointF, p1);
+    QFETCH(QPointF, p2);
+    QFETCH(QPointF, pShoulder);
+    QFETCH(qreal, length);
+    QFETCH(QPointF, point);
+
+    QPointF resultPoint = VToolShoulderPoint::FindPoint(p1, p2, pShoulder, length);
+
+    QCOMPARE(point, resultPoint);
+}

src/test/ValentinaTest/tst_findpoint.h

@@ -50,6 +50,8 @@ private slots:
     void TestTriangle_data();
     void TestTriangle();
 
+    void TestShoulderPoint_data();
+    void TestShoulderPoint();
 };
 
 #endif // TST_FINDPOINT_H