Added two SymbolRendererProviders

[Mograsim.git] / net.mograsim.logic.ui / src / net / mograsim / logic / ui / serializing / snippets / symbolrenderers / CenteredTextSymbolRendererProvider.java

diff --git a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/snippets/symbolrenderers/CenteredTextSymbolRendererProvider.java b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/snippets/symbolrenderers/CenteredTextSymbolRendererProvider.java
new file mode 100644 (file)
index 0000000..de1551b
--- /dev/null
+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/serializing/snippets/symbolrenderers/CenteredTextSymbolRendererProvider.java
@@ -0,0 +1,57 @@
+package net.mograsim.logic.ui.serializing.snippets.symbolrenderers;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+
+import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
+import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
+import net.mograsim.logic.ui.serializing.CodeSnippetSupplier;
+import net.mograsim.logic.ui.serializing.DeserializedSubmodelComponent;
+import net.mograsim.logic.ui.serializing.snippets.Renderer;
+import net.mograsim.logic.ui.serializing.snippets.RendererProvider;
+import net.mograsim.preferences.ColorDefinition;
+import net.mograsim.preferences.ColorManager;
+import net.mograsim.preferences.Preferences;
+
+/**
+ * Renders a text (<code>"text"</code>) with a given font height (<code>"height"</code>) in the center of the component.<br>
+ * Parameter format:
+ * 
+ * <pre>
+ * {
+ *   "text": [String]
+ *   "height": [int]
+ * }
+ * </pre>
+ * 
+ * @author Daniel Kirschten
+ */
+public class CenteredTextSymbolRendererProvider implements RendererProvider
+{
+       @Override
+       public Renderer create(DeserializedSubmodelComponent component, JsonElement params)
+       {
+               JsonObject asJsonObject = params.getAsJsonObject();
+               String text = asJsonObject.getAsJsonPrimitive("text").getAsString();
+               int fontHeight = asJsonObject.getAsJsonPrimitive("height").getAsInt();
+               return (gc, visReg) ->
+               {
+                       Font oldFont = gc.getFont();
+                       gc.setFont(new Font(oldFont.getName(), fontHeight, oldFont.getStyle()));
+                       ColorDefinition fg = Preferences.current().getColorDefinition("net.mograsim.logic.ui.color.text");
+                       if (fg != null)
+                               gc.setForeground(ColorManager.current().toColor(fg));
+                       Point idSize = gc.textExtent(text);
+                       Rectangle bounds = component.getBounds();
+                       gc.drawText(text, bounds.x + (bounds.width - idSize.x) / 2, bounds.y + (bounds.height - idSize.y) / 2, true);
+                       gc.setFont(oldFont);
+               };
+       }
+
+       static
+       {
+               CodeSnippetSupplier.setSymbolRendererProvider(CenteredTextSymbolRendererProvider.class.getCanonicalName(),
+                               new CenteredTextSymbolRendererProvider());
+       }
+}
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