animators.qml Example File

animation/basics/animators.qml

  /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** You may use this file under the terms of the BSD license as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of The Qt Company Ltd nor the names of its
  **     contributors may be used to endorse or promote products derived
  **     from this software without specific prior written permission.
  **
  **
  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  import QtQuick 2.2

  Item {
      id: window
      width: 320; height: 440

      // Let's draw the sky...
      Rectangle {
          anchors.fill: parent
          gradient: Gradient {
              GradientStop { position: 0.0; color: "#14148c" }
              GradientStop { position: 0.499; color: "#14aaff" }
              GradientStop { position: 0.5; color: "#80c342" }
              GradientStop { position: 1.0; color: "#006325" }
          }
      }

      SequentialAnimation {
          SequentialAnimation {
              ParallelAnimation {
                  YAnimator {
                      target: smiley;
                      from: smiley.minHeight;
                      to: smiley.maxHeight
                      easing.type: Easing.OutExpo;
                      duration: 300
                  }
                  ScaleAnimator {
                      target: shadow
                      from: 1
                      to: 0.5
                      easing.type: Easing.OutExpo;
                      duration: 300
                  }
              }
              ParallelAnimation {
                  YAnimator {
                      target: smiley;
                      from: smiley.maxHeight;
                      to: smiley.minHeight
                      easing.type: Easing.OutBounce;
                      duration: 1000
                  }
                  ScaleAnimator {
                      target: shadow
                      from: 0.5
                      to: 1
                      easing.type: Easing.OutBounce;
                      duration: 1000
                  }
              }
          }
          PauseAnimation { duration: 500 }
          running: true
          loops: Animation.Infinite
      }

      // The shadow for the smiley face
      Image {
          id: shadow;
          anchors.horizontalCenter: parent.horizontalCenter
          y: smiley.minHeight + smiley.height
          source: "images/shadow.png"
      }

      Image {
          id: smiley
          property int maxHeight: window.height / 3
          property int minHeight: 2 * window.height / 3

          anchors.horizontalCenter: parent.horizontalCenter
          y: minHeight
          source: "images/face-smile.png"

      }
  }