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