1 | sclass ImageSurfaceWithXMarkers extends ImageSurface {
|
2 | new L<Float> markers; |
3 | Runnable onMarkersChanged; |
4 | |
5 | *(BufferedImage img, Collection<? extends Number> _markers) {
|
6 | super(img); |
7 | addAll(this.markers, allToFloat(_markers)); |
8 | overlay = voidfunc(Graphics2D g) {
|
9 | g.setColor(Color.red); |
10 | for (float x : markers) {
|
11 | Pt p = pointToComponentCoordinates(x, 0); |
12 | g.drawLine(p.x, 0, p.x, getHeight()-1); |
13 | } |
14 | }; |
15 | disableImageSurfaceSelector(this); |
16 | imageSurfaceOnMouseDrag(this, new VF1<Pt> {
|
17 | Float marker; |
18 | |
19 | public void get(Pt p) {
|
20 | if (p == null) ret with marker = null; |
21 | Pt pComponent = pointToComponentCoordinates(p.x, p.y); |
22 | if (pointFarOutsideOfComponent(ImageSurfaceWithXMarkers.this, pComponent) || pointOutsideOfImage(image, p)) {
|
23 | if (marker != null) {
|
24 | markers.remove(marker); |
25 | fireMarkersChanged(); |
26 | _print("Markers: " + l(markers));
|
27 | } |
28 | ret with marker = null; |
29 | } |
30 | if (marker == null) |
31 | marker = floatCloseTo(markers, p.x, 2/zoomX); |
32 | Float m = marker; |
33 | marker = (float) p.x; |
34 | if (m == null) {
|
35 | markers.add(marker); |
36 | _print("Markers: " + l(markers));
|
37 | } else |
38 | replaceElementOnce(markers, m, marker); |
39 | fireMarkersChanged(); |
40 | } |
41 | }); |
42 | } |
43 | |
44 | void fireMarkersChanged {
|
45 | repaint(); |
46 | pcallF(onMarkersChanged); |
47 | } |
48 | } |
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| Snippet ID: | #1018714 |
| Snippet name: | ImageSurfaceWithXMarkers |
| Eternal ID of this version: | #1018714/25 |
| Text MD5: | 9b3c4b4661847304091f7ef5ced00dfa |
| Author: | stefan |
| Category: | javax / gui |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-10-14 12:35:26 |
| Source code size: | 1511 bytes / 48 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 283 / 854 |
| Version history: | 24 change(s) |
| Referenced in: | [show references] |