1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: For any questions to Digia, please use the contact form at
** http://qt.digia.com/
**
** This file is part of the examples of the Qt Enterprise Embedded.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Digia Plc and its Subsidiary(-ies) 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 2.0
import Qt.labs.folderlistmodel 1.0
Item {
id: root
width: 320
height: 480
Rectangle {
anchors.fill: parent
color: "black"
}
FolderListModel {
id: imageList
folder: "/data/images"
nameFilters: ["*.png", "*.jpg"]
showDirs: false
}
Text {
id: noImages
color: "white"
visible: grid.count == 0
text: "No images in " + imageList.folder
anchors.centerIn: parent
}
GridView {
id: grid
anchors.fill: parent
cellHeight: root.width / 3
cellWidth: cellHeight
model: imageList
// NumberAnimation on contentY { from: 0; to: 2000; duration: 3000; loops: 1; easing.type: Easing.InOutCubic }
delegate: Rectangle {
id: box
color: "white"
width: grid.cellWidth
height: grid.cellHeight
scale: 0.97
rotation: 2;
antialiasing: true
Rectangle {
id: sepia
color: "#b08050"
width: image.width
height: image.height
anchors.centerIn: parent
property real fakeOpacity: image.status == Image.Ready ? 1.5 : 0
Behavior on fakeOpacity { NumberAnimation { duration: 1000 } }
opacity: fakeOpacity
visible: image.opacity <= 0.99;
antialiasing: true
}
Image {
id: image
source: filePath
width: grid.cellWidth * 0.9
height: grid.cellHeight * 0.9
anchors.centerIn: sepia
asynchronous: true
opacity: sepia.fakeOpacity - .5
sourceSize.width: width;
antialiasing: true
}
MouseArea {
anchors.fill: parent
onClicked: {
root.showBigImage(filePath, box.x - grid.contentX, box.y - grid.contentY, image);
}
}
}
}
function showBigImage(filePath, itemX, itemY, image) {
fakeBigImage.x = itemX;
fakeBigImage.y = itemY;
fakeBigImage.sourceSize = image.sourceSize;
fakeBigImage.source = filePath;
beginEnterLargeAnimation.running = true;
}
property int time: 500;
property real xPos: width < height ? 0 : width / 2 - height / 2;
property real yPos: width < height ? height / 2 - width / 2: 0;
property real size: Math.min(width, height);
states: [
State { name: "grid" },
State { name: "enter-large" },
State { name: "large" },
State { name: "exit-large" }
]
SequentialAnimation {
id: beginEnterLargeAnimation
PropertyAction { target: mouseArea; property: "enabled"; value: "true" }
PropertyAction { target: fakeBigImage; property: "rotation"; value: 2; }
PropertyAction { target: fakeBigImage; property: "scale"; value: 0.97 * 0.9; }
PropertyAction { target: fakeBigImage; property: "width"; value: grid.cellWidth; }
PropertyAction { target: fakeBigImage; property: "height"; value: grid.cellHeight; }
PropertyAction { target: fakeBigImage; property: "visible"; value: true; }
ParallelAnimation {
NumberAnimation { target: fakeBigImage; property: "rotation"; to: 0; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "scale"; to: 1; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "x"; to: root.xPos; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "y"; to: root.yPos; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "width"; to: root.size; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "height"; to: root.size; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: grid; property: "opacity"; to: 0; duration: root.time; easing.type: Easing.InOutCubic }
}
ScriptAction {
script: {
bigImage = realBigImageComponent.createObject(root);
bigImage.source = fakeBigImage.source;
}
}
}
property Item bigImage;
property real targetRotation: 0;
property real targetWidth: 0
property real targetHeight: 0
property bool bigImageShowing: false;
SequentialAnimation {
id: finalizeEnterLargeAnimation
ScriptAction { script: {
fakeBigImage.anchors.centerIn = root;
}
}
ParallelAnimation {
NumberAnimation { target: bigImage; property: "opacity"; to: 1; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "rotation"; to: root.targetRotation; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: bigImage; property: "rotation"; to: root.targetRotation; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "width"; to: root.targetWidth; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: fakeBigImage; property: "height"; to: root.targetHeight; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: bigImage; property: "width"; to: root.targetWidth; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: bigImage; property: "height"; to: root.targetHeight; duration: root.time; easing.type: Easing.InOutCubic }
}
PropertyAction { target: fakeBigImage; property: "visible"; value: false }
PropertyAction { target: root; property: "bigImageShowing"; value: true }
}
SequentialAnimation {
id: backToGridAnimation
ParallelAnimation {
NumberAnimation { target: bigImage; property: "opacity"; to: 0; duration: root.time; easing.type: Easing.InOutCubic }
NumberAnimation { target: grid; property: "opacity"; to: 1; duration: root.time; easing.type: Easing.InOutCubic }
}
PropertyAction { target: fakeBigImage; property: "source"; value: "" }
PropertyAction { target: root; property: "bigImageShowing"; value: false }
PropertyAction { target: mouseArea; property: "enabled"; value: false }
ScriptAction { script: {
bigImage.destroy();
fakeBigImage.anchors.centerIn = undefined
}
}
}
Image {
id: fakeBigImage
width: grid.cellWidth
height: grid.cellHeight
visible: false
antialiasing: true
}
Component {
id: realBigImageComponent
Image {
id: realBigImage
anchors.centerIn: parent;
asynchronous: true;
// Bound size to the current display size, to try to avoid any GL_MAX_TEXTURE_SIZE issues.
sourceSize: Qt.size(Math.max(root.width, root.height), Math.max(root.width, root.height));
opacity: 0
onStatusChanged: {
if (status != Image.Ready)
return;
var imageIsLandscape = width > height;
var screenIsLandscape = root.width > root.height;
var targetScale;
// Rotation needed...
if (imageIsLandscape != screenIsLandscape && width != height) {
root.targetRotation = 90;
var aspect = width / height
var screenAspect = root.height / root.width
if (aspect > screenAspect) {
targetScale = root.height / width
} else {
targetScale = root.width / height;
}
} else {
root.targetRotation = 0;
var aspect = height / width;
var screenAspect = root.height / root.width
if (aspect > screenAspect) {
targetScale = root.height / height
} else {
targetScale = root.width / width;
}
}
root.targetWidth = width * targetScale
root.targetHeight = height * targetScale;
width = root.size
height = root.size;
finalizeEnterLargeAnimation.running = true;
}
}
}
MouseArea {
id: mouseArea
anchors.fill: parent
enabled: false
onClicked: {
if (root.bigImageShowing)
backToGridAnimation.running = true;
}
}
}
|