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< > BotCompany Repo | #1035209 // testDirectlyPaintingOnJComponent

JavaX fragment (include) [tags: use-pretranspiled]

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svoid testDirectlyPaintingOnJComponent(int w default 256) {
  int h = w;
  var c = //jcenteredlabel("Bla");
    new JComponent {};
  setOpaqueBackground(Color.white, c);
  jMinSize(c, w, h);
  
  var it = WeightlessShuffledIteratorWithSeed<Pt>(virtualList(w*h, i -> pt(i%w, i/w)));
  
  new Var<Graphics2D> g;
  new Flag done;
  double timeToFinish = 2; // seconds
  int pixelsPerMS = iceilRatio(w*h/100, timeToFinish);
  
  awtEvery(c, 10, -> {
    if (!g.has()) {
      g.set((Graphics2D) c.getGraphics());
      if (!g.has()) ret;
    }
  
    repeat pixelsPerMS {
      if (!it.hasNext()) {
        if (done.raise())
          print("Done painting " + nPixels(w*h));
        break;
      }
      var p = it.next();
      //print(+p);
      setPixel(g!, p, Color.black);
    }
  });
  showFrame(c);
}

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Snippet ID: #1035209
Snippet name: testDirectlyPaintingOnJComponent
Eternal ID of this version: #1035209/7
Text MD5: 4381ae31afd6e53b8c9369862936695c
Transpilation MD5: e4dde5aa3812999df38cc800b6cbcf50
Author: stefan
Category: javax / gui
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-04-15 05:27:20
Source code size: 835 bytes / 33 lines
Pitched / IR pitched: No / No
Views / Downloads: 131 / 216
Version history: 6 change(s)
Referenced in: #1006654 - Standard functions list 2 (LIVE, continuation of #761)