1 | sclass DesktopPaneWithSkyPicture_autoUnload extends JDesktopPane {
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2 | S imageID; |
3 | BufferedImage image; |
4 | new RestartableCountdown countdown; |
5 | double autoUnloadAfter = 60.0; |
6 | bool verbose = true; |
7 | |
8 | *(S *imageID, BufferedImage *image) {}
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9 | |
10 | protected void paintComponent(Graphics g) {
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11 | paintSkyBackground(this, g, _getImage()); |
12 | } |
13 | |
14 | BufferedImage _getImage() {
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15 | ret swing(func -> BufferedImage {
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16 | if (image == null) {
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17 | long time = sysNow(); |
18 | image = loadImage2(imageID); |
19 | if (verbose) _print("Background image loaded in " + elapsedMS(time) + " ms");
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20 | } |
21 | countdown.start(autoUnloadAfter, r-awt {
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22 | if (image != null) {
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23 | image = null; |
24 | if (verbose) _print("Background image released");
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25 | } |
26 | }); |
27 | ret image; |
28 | }); |
29 | } |
30 | } |
31 | |
32 | static JDesktopPane jDesktopPaneWithSkyPicture_autoUnload(fS imageID, Color background) {
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33 | ret setBackground(background, swingNu(DesktopPaneWithSkyPicture_autoUnload, imageID, loadImage2(imageID))); |
34 | } |
Began life as a copy of #1015863
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| Snippet ID: | #1015966 |
| Snippet name: | jDesktopPaneWithSkyPicture_autoUnload |
| Eternal ID of this version: | #1015966/14 |
| Text MD5: | 06c342ee40f15a0759763d2bd7a66dd3 |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-06-02 12:40:10 |
| Source code size: | 1047 bytes / 34 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 545 / 599 |
| Version history: | 13 change(s) |
| Referenced in: | [show references] |