1 files changed, 106 insertions, 0 deletions
diff --git a/tests/manual/examples/widgets/widgets/tetrix/tetrixpiece.cpp b/tests/manual/examples/widgets/widgets/tetrix/tetrixpiece.cpp
new file mode 100644
index 0000000000..5dc9e11c49
--- /dev/null
+++ b/tests/manual/examples/widgets/widgets/tetrix/tetrixpiece.cpp
@@ -0,0 +1,106 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "tetrixpiece.h"
+
+#include <QtCore>
+
+//! [0]
+void TetrixPiece::setRandomShape()
+{
+    setShape(TetrixShape(QRandomGenerator::global()->bounded(7) + 1));
+}
+//! [0]
+
+//! [1]
+void TetrixPiece::setShape(TetrixShape shape)
+{
+    static constexpr int coordsTable[8][4][2] = {
+        { { 0, 0 },   { 0, 0 },   { 0, 0 },   { 0, 0 } },
+        { { 0, -1 },  { 0, 0 },   { -1, 0 },  { -1, 1 } },
+        { { 0, -1 },  { 0, 0 },   { 1, 0 },   { 1, 1 } },
+        { { 0, -1 },  { 0, 0 },   { 0, 1 },   { 0, 2 } },
+        { { -1, 0 },  { 0, 0 },   { 1, 0 },   { 0, 1 } },
+        { { 0, 0 },   { 1, 0 },   { 0, 1 },   { 1, 1 } },
+        { { -1, -1 }, { 0, -1 },  { 0, 0 },   { 0, 1 } },
+        { { 1, -1 },  { 0, -1 },  { 0, 0 },   { 0, 1 } }
+    };
+
+    for (int i = 0; i < 4 ; i++) {
+        for (int j = 0; j < 2; ++j)
+            coords[i][j] = coordsTable[shape][i][j];
+    }
+    pieceShape = shape;
+//! [1] //! [2]
+}
+//! [2]
+
+//! [3]
+int TetrixPiece::minX() const
+{
+    int min = coords[0][0];
+    for (int i = 1; i < 4; ++i)
+        min = qMin(min, coords[i][0]);
+    return min;
+}
+
+int TetrixPiece::maxX() const
+//! [3] //! [4]
+{
+    int max = coords[0][0];
+    for (int i = 1; i < 4; ++i)
+        max = qMax(max, coords[i][0]);
+    return max;
+}
+//! [4]
+
+//! [5]
+int TetrixPiece::minY() const
+{
+    int min = coords[0][1];
+    for (int i = 1; i < 4; ++i)
+        min = qMin(min, coords[i][1]);
+    return min;
+}
+
+int TetrixPiece::maxY() const
+//! [5] //! [6]
+{
+    int max = coords[0][1];
+    for (int i = 1; i < 4; ++i)
+        max = qMax(max, coords[i][1]);
+    return max;
+}
+//! [6]
+
+//! [7]
+TetrixPiece TetrixPiece::rotatedLeft() const
+{
+    if (pieceShape == SquareShape)
+        return *this;
+
+    TetrixPiece result;
+    result.pieceShape = pieceShape;
+    for (int i = 0; i < 4; ++i) {
+        result.setX(i, y(i));
+        result.setY(i, -x(i));
+    }
+//! [7]
+    return result;
+}
+
+//! [9]
+TetrixPiece TetrixPiece::rotatedRight() const
+{
+    if (pieceShape == SquareShape)
+        return *this;
+
+    TetrixPiece result;
+    result.pieceShape = pieceShape;
+    for (int i = 0; i < 4; ++i) {
+        result.setX(i, -y(i));
+        result.setY(i, x(i));
+    }
+//! [9]
+    return result;
+}