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< > BotCompany Repo | #1018714 // ImageSurfaceWithXMarkers

JavaX fragment (include)

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sclass ImageSurfaceWithXMarkers extends ImageSurface {
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  new L<Float> markers;
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  Runnable onMarkersChanged;
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  *(BufferedImage img, Collection<? extends Number> _markers) {
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    super(img);
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    addAll(this.markers, allToFloat(_markers));
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    overlay = voidfunc(Graphics2D g) {
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      g.setColor(Color.red);
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      for (float x : markers) {
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        Pt p = pointToComponentCoordinates(x, 0);
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        g.drawLine(p.x, 0, p.x, getHeight()-1);
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      }
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    };
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    disableImageSurfaceSelector(this);
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    imageSurfaceOnMouseDrag(this, new VF1<Pt> {
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      Float marker;
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      public void get(Pt p) {
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        if (p == null) ret with marker = null;
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        Pt pComponent = pointToComponentCoordinates(p.x, p.y);
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        if (pointFarOutsideOfComponent(ImageSurfaceWithXMarkers.this, pComponent) || pointOutsideOfImage(image, p)) {
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          if (marker != null) {
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            markers.remove(marker);
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            fireMarkersChanged();
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            _print("Markers: " + l(markers));
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          }
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          ret with marker = null;
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        }
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        if (marker == null)
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          marker = floatCloseTo(markers, p.x, 2/zoomX);
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        Float m = marker;
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        marker = (float) p.x;
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        if (m == null) {
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          markers.add(marker);
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          _print("Markers: " + l(markers));
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        } else
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          replaceElementOnce(markers, m, marker);
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        fireMarkersChanged();
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      }
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    });
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  }
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  void fireMarkersChanged {
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    repaint();
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    pcallF(onMarkersChanged);
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  }
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}

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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: 355 / 935
Version history: 24 change(s)
Referenced in: [show references]