Libraryless. Click here for Pure Java version (16961L/106K).
1 | sclass ImageSurfaceScribbleTool extends ImageSurfaceMouseHandler { |
2 | settable BasicStroke stroke = new BasicStroke(5); |
3 | settable Color color = Color.black; |
4 | settable bool enabled; |
5 | Pt lastPt; |
6 | event painted; |
7 | event scribbleDone(Scribble scribble); |
8 | |
9 | Scribble scribble; |
10 | |
11 | *() {} |
12 | *(ImageSurface is) { this.register(is); } |
13 | |
14 | public void mousePressed(MouseEvent evt) { |
15 | if (evt.getButton() != MouseEvent.BUTTON1) ret; |
16 | if (!enabled) ret; |
17 | lastPt = getPt(evt); |
18 | scribble = new Scribble(color, stroke.getLineWidth(), new L); |
19 | drawPoint(lastPt); |
20 | } |
21 | |
22 | public void mouseReleased(MouseEvent e) { |
23 | mouseDragged(e); |
24 | lastPt = null; |
25 | scribbleDone(scribble); |
26 | scribble = null; |
27 | } |
28 | |
29 | public void mouseDragged(MouseEvent e) { |
30 | if (lastPt == null) ret; |
31 | Pt p = getPt(e); |
32 | if (!eq(p, lastPt)) |
33 | drawLine(lastPt, p); |
34 | lastPt = p; |
35 | is.repaint(); // That's gonna be slow... |
36 | } |
37 | |
38 | void drawPoint(Pt p) { |
39 | drawLine(p, p); |
40 | } |
41 | |
42 | void drawLine(Pt a, Pt b) { |
43 | scribble?.addPoint(b); |
44 | Graphics2D g = getImageSurface().getImage().createGraphics(); |
45 | g.setStroke(stroke); |
46 | g.setColor(color); |
47 | g.drawLine(a.x, a.y, b.x, b.y); |
48 | g.dispose(); |
49 | painted(); |
50 | } |
51 | } |
Began life as a copy of #1005517
download show line numbers debug dex old transpilations
Travelled to 4 computer(s): bhatertpkbcr, ekrmjmnbrukm, mowyntqkapby, mqqgnosmbjvj
No comments. add comment
Snippet ID: | #1034389 |
Snippet name: | ImageSurfaceScribbleTool |
Eternal ID of this version: | #1034389/16 |
Text MD5: | d3b52a9fe34458bad66eb578caa09533 |
Transpilation MD5: | d8088786d26cb54f3fc7f07c3fdcbf45 |
Author: | stefan |
Category: | javax / gui |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2022-02-15 22:28:45 |
Source code size: | 1269 bytes / 51 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 191 / 340 |
Version history: | 15 change(s) |
Referenced in: | [show references] |