CraftSynth.ImageEditor – Blame information for rev 1
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1 | office | 1 | using System; |
2 | |||
3 | namespace CraftSynth.ImageEditor |
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4 | { |
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5 | /// <summary> |
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6 | /// Add new object command |
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7 | /// </summary> |
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8 | internal class CommandAdd : Command, IDisposable |
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9 | { |
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10 | private DrawObject drawObject; |
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11 | |||
12 | // Create this command with DrawObject instance added to the list |
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13 | public CommandAdd(DrawObject drawObject) : base() |
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14 | { |
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15 | // Keep copy of added object |
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16 | this.drawObject = drawObject.Clone(); |
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17 | } |
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18 | |||
19 | /// <summary> |
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20 | /// Undo last Add command |
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21 | /// </summary> |
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22 | /// <param name="list">Layers collection</param> |
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23 | public override void Undo(Layers list) |
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24 | { |
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25 | list[list.ActiveLayerIndex].Graphics.DeleteLastAddedObject(); |
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26 | } |
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27 | |||
28 | /// <summary> |
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29 | /// Redo last Add command |
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30 | /// </summary> |
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31 | /// <param name="list">Layers collection</param> |
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32 | public override void Redo(Layers list) |
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33 | { |
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34 | list[list.ActiveLayerIndex].Graphics.UnselectAll(); |
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35 | list[list.ActiveLayerIndex].Graphics.Add(drawObject); |
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36 | |||
37 | if (drawObject is DrawImage && (drawObject as DrawImage).IsInitialImage) |
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38 | { |
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39 | drawObject.Selected = true; |
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40 | list[list.ActiveLayerIndex].Graphics.MoveSelectionToBack(); |
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41 | list[list.ActiveLayerIndex].Graphics.UnselectAll(); |
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42 | } |
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43 | } |
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44 | |||
45 | #region Destruction |
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46 | // Flag: Has Dispose already been called? |
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47 | bool _disposed = false; |
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48 | |||
49 | // Protected implementation of Dispose pattern. |
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50 | public override void Dispose(bool disposing) |
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51 | { |
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52 | if (!this._disposed) |
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53 | { |
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54 | |||
55 | if (disposing) |
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56 | { |
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57 | // Free any managed objects here. |
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58 | // |
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59 | if (this.drawObject != null) |
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60 | { |
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61 | this.drawObject.Dispose(); |
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62 | } |
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63 | } |
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64 | |||
65 | // Free any unmanaged objects here. |
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66 | // |
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67 | |||
68 | this._disposed = true; |
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69 | } |
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70 | } |
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71 | |||
72 | ~CommandAdd() |
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73 | { |
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74 | this.Dispose(false); |
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75 | } |
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76 | #endregion |
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77 | } |
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78 | } |