1/* 2 * Copyright (c) 2014-2021 Meltytech, LLC 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, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18import QtQuick 2.12 19import QtQuick.Controls 2.12 20import QtQuick.Layouts 1.12 21import Shotcut.Controls 1.0 as Shotcut 22 23Item { 24 width: 350 25 height: 50 26 property bool blockUpdate: true 27 property double startValue: 1.0 28 property double middleValue: 1.0 29 property double endValue: 1.0 30 31 Component.onCompleted: { 32 filter.set('start', 1) 33 if (filter.isNew) { 34 // Set default parameter values 35 filter.set('level', 1) 36 filter.set('alpha', 1.0) 37 filter.set('opacity', filter.getDouble('alpha')) 38 filter.savePreset(preset.parameters) 39 } else { 40 middleValue = filter.getDouble('opacity', filter.animateIn) 41 if (filter.animateIn > 0) 42 startValue = filter.getDouble('opacity', 0) 43 if (filter.animateOut > 0) 44 endValue = filter.getDouble('opacity', filter.duration - 1) 45 } 46 setControls() 47 } 48 49 function getPosition() { 50 return Math.max(producer.position - (filter.in - producer.in), 0) 51 } 52 53 function setControls() { 54 var position = getPosition() 55 blockUpdate = true 56 slider.value = filter.getDouble('opacity', position) * 100.0 57 keyframesButton.checked = filter.animateIn <= 0 && filter.animateOut <= 0 && filter.keyframeCount('opacity') > 0 58 blockUpdate = false 59 slider.enabled = position <= 0 || (position >= (filter.animateIn - 1) && position <= (filter.duration - filter.animateOut)) || position >= (filter.duration - 1) 60 } 61 62 function updateFilter(position) { 63 if (blockUpdate) return 64 var value = slider.value / 100.0 65 66 if (position !== null) { 67 if (position <= 0 && filter.animateIn > 0) 68 startValue = value 69 else if (position >= filter.duration - 1 && filter.animateOut > 0) 70 endValue = value 71 else 72 middleValue = value 73 } 74 75 if (filter.animateIn > 0 || filter.animateOut > 0) { 76 filter.resetProperty('alpha') 77 filter.resetProperty('opacity') 78 keyframesButton.checked = false 79 if (filter.animateIn > 0) { 80 filter.set('alpha', startValue, 0) 81 filter.set('alpha', middleValue, filter.animateIn - 1) 82 filter.set('opacity', startValue, 0) 83 filter.set('opacity', middleValue, filter.animateIn - 1) 84 } 85 if (filter.animateOut > 0) { 86 filter.set('alpha', middleValue, filter.duration - filter.animateOut) 87 filter.set('alpha', endValue, filter.duration - 1) 88 filter.set('opacity', middleValue, filter.duration - filter.animateOut) 89 filter.set('opacity', endValue, filter.duration - 1) 90 } 91 } else if (!keyframesButton.checked) { 92 filter.resetProperty('alpha') 93 filter.resetProperty('opacity') 94 filter.set('alpha', middleValue) 95 filter.set('opacity', middleValue) 96 } else if (position !== null) { 97 filter.set('alpha', value, position) 98 filter.set('opacity', value, position) 99 } 100 } 101 102 GridLayout { 103 columns: 4 104 anchors.fill: parent 105 anchors.margins: 8 106 107 Label { 108 text: qsTr('Preset') 109 Layout.alignment: Qt.AlignRight 110 } 111 Shotcut.Preset { 112 id: preset 113 Layout.columnSpan: parent.columns 114 parameters: ['opacity', 'alpha'] 115 onBeforePresetLoaded: { 116 filter.resetProperty(parameters[0]) 117 filter.resetProperty(parameters[1]) 118 } 119 onPresetSelected: { 120 setControls() 121 keyframesButton.checked = filter.keyframeCount(parameters[0]) > 0 && filter.animateIn <= 0 && filter.animateOut <= 0 122 middleValue = filter.getDouble(parameters[0], filter.animateIn) 123 if (filter.animateIn > 0) 124 startValue = filter.getDouble(parameters[0], 0) 125 if (filter.animateOut > 0) 126 endValue = filter.getDouble(parameters[0], filter.duration - 1) 127 } 128 } 129 130 Label { 131 text: qsTr('Level') 132 Layout.alignment: Qt.AlignRight 133 } 134 Shotcut.SliderSpinner { 135 id: slider 136 minimumValue: 0 137 maximumValue: 100 138 suffix: ' %' 139 onValueChanged: updateFilter(getPosition()) 140 } 141 Shotcut.UndoButton { 142 onClicked: slider.value = 100 143 } 144 Shotcut.KeyframesButton { 145 id: keyframesButton 146 onToggled: { 147 var value = slider.value / 100.0 148 if (checked) { 149 blockUpdate = true 150 filter.clearSimpleAnimation('alpha') 151 filter.clearSimpleAnimation('opacity') 152 blockUpdate = false 153 filter.set('alpha', value, getPosition()) 154 filter.set('opacity', value, getPosition()) 155 } else { 156 filter.resetProperty('alpha') 157 filter.resetProperty('opacity') 158 filter.set('alpha', value) 159 filter.set('opacity', value) 160 } 161 } 162 } 163 164 Item { 165 Layout.fillHeight: true 166 } 167 } 168 169 Connections { 170 target: filter 171 onInChanged: updateFilter(null) 172 onOutChanged: updateFilter(null) 173 onAnimateInChanged: updateFilter(null) 174 onAnimateOutChanged: updateFilter(null) 175 } 176 177 Connections { 178 target: producer 179 onPositionChanged: { 180 if (filter.animateIn > 0 || filter.animateOut > 0) { 181 setControls() 182 } else { 183 blockUpdate = true 184 slider.value = filter.getDouble('opacity', getPosition()) * 100.0 185 blockUpdate = false 186 slider.enabled = true 187 } 188 } 189 } 190} 191