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74
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1 module doodle.dia.layer_stack;
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2
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3 public {
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4 import doodle.dia.icanvas;
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5 }
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6
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7 final class LayerStack {
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8 this(in Layer[] layers) {
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9 _layers = layers.dup;
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10 }
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11
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12 Rectangle bounds() const {
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13 // Take the union of all layer bounds
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14 Rectangle bounds = Rectangle.DEFAULT;
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15 foreach (layer; _layers) { bounds = bounds | layer.bounds; }
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16 return bounds;
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17 }
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18
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84
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19 void draw(in Rectangle screenDamage, scope Renderer screenRenderer,
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89
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20 in Rectangle modelDamage, scope Renderer modelRenderer,
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21 in ScreenModel screenModel) const {
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74
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22 foreach(layer; _layers) {
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89
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23 layer.draw(screenDamage, screenRenderer, modelDamage, modelRenderer, screenModel);
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74
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24 }
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25 }
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26
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27 private {
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28 Layer[] _layers;
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29 }
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30 }
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