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1 | !7 |
2 | |
3 | sclass ImageInfo extends DynModule {
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4 | S path; |
5 | bool allowedToLook; |
6 | Bool exists; |
7 | Pt size; |
8 | |
9 | transient JComboBox cbAllowedToLook; |
10 | transient BufferedImage image; |
11 | transient long imageLoaded; |
12 | |
13 | File file() { ret newFile(path); }
|
14 | |
15 | JComponent visualize() {
|
16 | if (path == null) |
17 | ret jcenteredbutton("Load image...", r {
|
18 | selectFile("Load image", voidfunc(File f) {
|
19 | setField(path := f2s(f)); |
20 | revisualize(); |
21 | }); |
22 | }); |
23 | |
24 | if (cbAllowedToLook == null) |
25 | cbAllowedToLook = yesNoComboBox(allowedToLook, |
26 | voidfunc(bool b) { setField(allowedToLook := b) });
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27 | |
28 | ret makeForm( |
29 | "Image location" := path, |
30 | allowedToLook := cbAllowedToLook, |
31 | +exists, |
32 | "Size", size == null ? null : size.x + "*" + size.y, |
33 | "Loaded" := image != null); |
34 | } |
35 | |
36 | void update {
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37 | if (path != null && allowedToLook) {
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38 | bool change = setField(exists := file().isFile()); |
39 | if (!exists) |
40 | change |= setField(size := null); |
41 | else try {
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42 | getImage(); |
43 | change |= setField(size := pt(image.getWidth(), image.getHeight())); |
44 | } catch print e {
|
45 | change |= setField(size := null); |
46 | } |
47 | if (change) |
48 | revisualize(); |
49 | } else |
50 | if (setFields(exists := null, size := null, image := null)) revisualize(); |
51 | } |
52 | |
53 | // API for other modules |
54 | File getFile() { ret file(); }
|
55 | Image getImage() {
|
56 | lock lock; |
57 | if (image == null) {
|
58 | imageLoaded = now(); |
59 | image = loadImage2(file()); |
60 | } |
61 | ret image; |
62 | } |
63 | } |
Began life as a copy of #1015916
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| Snippet ID: | #1016034 |
| Snippet name: | Image Info [Dyn Module] |
| Eternal ID of this version: | #1016034/10 |
| Text MD5: | c12f21e84c7c254715c24da302bcb59a |
| Transpilation MD5: | 56291b87d273d442988902524ab6ec71 |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX source code (Dynamic Module) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-06-08 18:38:12 |
| Source code size: | 1616 bytes / 63 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 307 / 435 |
| Version history: | 9 change(s) |
| Referenced in: | [show references] |