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annotate doodle/dia/icanvas.d @ 84:cdd4fc728d94

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Renamed Drawable to Renderer
author daveb
date Mon, 16 Aug 2010 17:23:09 +0930
parents b759414d2b72
children 467febed7367
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1754cb773d41 Part-way through getting to compile with configure/builder.
Graham St Jack <graham.stjack@internode.on.net>
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1 module doodle.dia.icanvas;
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3 public {
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4 import doodle.tk.geometry;
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5 import doodle.tk.events;
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6 import doodle.tk.renderer;
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7 }
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9 private {
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10 import std.typecons;
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11 }
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13 mixin(defineEnum!("Cursor",
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14 "DEFAULT", "HAND", "CROSSHAIR", "PENCIL"));
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16 interface IViewport2 {
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17 void damageModel(in Rectangle area);
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18 void damageScreen(in Rectangle area);
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19 }
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21 interface IViewport : IViewport2 {
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22 void zoomRelative(in Point screenDatum, in double factor); // FIXME reorder arguments
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23 void panRelative(in Vector screenDisplacement);
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24 void setCursor(in Cursor cursor);
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25 }
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27 /*
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28 final class Damage {
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29 void increase(in Rectangle additional) { _rectangle = _rectangle | additional; }
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30 Rectangle rectangle() const { return _rectangle; }
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31 private Rectangle _rectangle;
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32 }
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33 */
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35 interface IEventHandler {
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36 bool handleButtonPress(scope IViewport viewport, in ButtonEvent event);
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37 bool handleButtonRelease(scope IViewport viewport, in ButtonEvent event);
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38 bool handleMotion(scope IViewport viewport, in MotionEvent event);
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39 bool handleScroll(scope IViewport viewport, in ScrollEvent event);
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40 bool handleEnter(scope IViewport viewport, CrossingEvent event);
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41 bool handleLeave(scope IViewport viewport, CrossingEvent event);
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42 bool handleKeyPress(scope IViewport viewport, in KeyEvent event);
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43 bool handleKeyRelease(scope IViewport viewport, in KeyEvent event);
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45 // XXX Still not sure about these:
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46 //bool handleFocusIn(scope IViewport viewport, FocusEvent event);
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47 //bool handleFocusOut(scope IViewport viewport, FocusEvent event);
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48 }
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50 interface IGrid {
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51 void zoomChanged(double zoom);
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53 // TODO inout?
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54 bool snap(in Point a, out Point b) const;
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55 }
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57 interface IPage {
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58 // TODO
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59 }
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61 abstract class Layer {
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62 this(in string name) {
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63 _name = name;
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64 }
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66 string name() const { return _name; }
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68 Rectangle bounds() const;
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70 void draw(in Rectangle screenDamage, scope Renderer screenRenderer,
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71 in Rectangle modelDamage, scope Renderer modelRenderer) const;
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73 private {
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74 immutable string _name;
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75 }
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76 }