net.mograsim.logic.model/src/net/mograsim/logic/model/snippets/symbolrenderers/SimpleRectangularLikeSymbolRenderer.java

   1 package net.mograsim.logic.model.snippets.symbolrenderers;
   2
   3 import java.util.Map.Entry;
   4
   5 import org.eclipse.swt.graphics.Color;
   6
   7 import net.haspamelodica.swt.helper.gcs.GeneralGC;
   8 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
   9 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
  10 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
  11 import net.mograsim.logic.model.model.components.ModelComponent;
  12 import net.mograsim.logic.model.model.wires.Pin;
  13 import net.mograsim.logic.model.serializing.IdentifyParams;
  14 import net.mograsim.logic.model.snippets.Renderer;
  15 import net.mograsim.logic.model.snippets.SnippetDefinintion;
  16 import net.mograsim.logic.model.snippets.SubmodelComponentSnippetSuppliers;
  17 import net.mograsim.preferences.Preferences;
  18
  19 /**
  20  * Renders a text (<code>"centerText"</code>) with a given font height (<code>"centerTextHeight"</code>) in the center of the component and
  21  * draws a label for each pin with a given font height (<code>"pinLabelHeight"</code>). The labels of pins to the left of a given x
  22  * coordinate (<code>"horizontalComponentCenter"</code>) are drawn to the right of the respective pin; labels of pins to the right are drawn
  23  * left. A margin (<code>"pinLabelMargin"</code>) is applied for pin label drawing.
  24  *
  25  * @author Daniel Kirschten
  26  */
  27 public class SimpleRectangularLikeSymbolRenderer implements Renderer
  28 {
  29         private final ModelComponent component;
  30         private final String centerText;
  31         private final double centerTextHeight;
  32         private final double horizontalComponentCenter;
  33         private final double pinLabelHeight;
  34         private final double pinLabelMargin;
  35
  36         public SimpleRectangularLikeSymbolRenderer(ModelComponent component, SimpleRectangularLikeParams params)
  37         {
  38                 this.component = component;
  39                 this.centerText = params.centerText;
  40                 this.centerTextHeight = params.centerTextHeight;
  41                 this.horizontalComponentCenter = params.horizontalComponentCenter;
  42                 this.pinLabelHeight = params.pinLabelHeight;
  43                 this.pinLabelMargin = params.pinLabelMargin;
  44         }
  45
  46         @Override
  47         public void render(GeneralGC gc, Rectangle visibleRegion)
  48         {
  49                 double posX = component.getPosX();
  50                 double posY = component.getPosY();
  51                 double width = component.getWidth();
  52                 double height = component.getHeight();
  53
  54                 Font oldFont = gc.getFont();
  55                 gc.setFont(new Font(oldFont.getName(), centerTextHeight, oldFont.getStyle()));
  56                 Point textExtent = gc.textExtent(centerText);
  57                 Color textColor = Preferences.current().getColor("net.mograsim.logic.model.color.text");
  58                 if (textColor != null)
  59                         gc.setForeground(textColor);
  60                 gc.drawText(centerText, posX + (width - textExtent.x) / 2, posY + (height - textExtent.y) / 2, true);
  61                 gc.setFont(new Font(oldFont.getName(), pinLabelHeight, oldFont.getStyle()));
  62                 for (Entry<String, Pin> pinEntry : component.getPins().entrySet())
  63                 {
  64                         String pinName = pinEntry.getKey();
  65                         Pin pin = pinEntry.getValue();
  66                         double pinX = pin.getRelX();
  67                         double pinY = posY + pin.getRelY();
  68                         textExtent = gc.textExtent(pinName);
  69                         gc.drawText(pinName, posX + pinX + (pinX > horizontalComponentCenter ? -textExtent.x - pinLabelMargin : pinLabelMargin),
  70                                         pinY - textExtent.y / 2, true);
  71                 }
  72                 gc.setFont(oldFont);
  73         }
  74
  75         @Override
  76         public String getIDForSerializing(IdentifyParams idParams)
  77         {
  78                 return "simpleRectangularLike";
  79         }
  80
  81         @Override
  82         public SimpleRectangularLikeParams getParamsForSerializing(IdentifyParams idParams)
  83         {
  84                 SimpleRectangularLikeParams params = new SimpleRectangularLikeParams();
  85                 params.centerText = centerText;
  86                 params.centerTextHeight = centerTextHeight;
  87                 params.horizontalComponentCenter = horizontalComponentCenter;
  88                 params.pinLabelHeight = pinLabelHeight;
  89                 params.pinLabelMargin = pinLabelMargin;
  90                 return params;
  91         }
  92
  93         public static class SimpleRectangularLikeParams
  94         {
  95                 public String centerText;
  96                 public double centerTextHeight;
  97                 public double horizontalComponentCenter;
  98                 public double pinLabelHeight;
  99                 public double pinLabelMargin;
 100         }
 101
 102         static
 103         {
 104                 SubmodelComponentSnippetSuppliers.symbolRendererSupplier.setSnippetSupplier(
 105                                 SimpleRectangularLikeSymbolRenderer.class.getCanonicalName(),
 106                                 SnippetDefinintion.create(SimpleRectangularLikeParams.class, SimpleRectangularLikeSymbolRenderer::new));
 107         }
 108 }