Unity 8
CroppedImageMinimumSourceSize.qml
1 /*
2  * Copyright (C) 2014, 2015 Canonical, Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 import QtQuick 2.4
18 
19 Image {
20  id: root
21 
22  fillMode: Image.PreserveAspectCrop
23 
24  property bool useHeight: false
25  function updateUseHeight()
26  {
27  // Do not turn into a binding since otherwise the qml
28  // engine complains about binding loops
29  useHeight = (implicitWidth / implicitHeight) > (width / height);
30  }
31 
32  onHeightChanged: updateUseHeight();
33  onWidthChanged: updateUseHeight();
34  onImplicitHeightChanged: updateUseHeight();
35  onImplicitWidthChanged: updateUseHeight();
36 
37  sourceSize: useHeight ? Qt.size(0, height) : Qt.size(width, 0)
38 }