first working graphics card

src/main/java/de/neemann/digital/gui/components/graphics/GraphicComponent.java

@@ -4,9 +4,12 @@ import javax.swing.*;
 import java.awt.*;
 
 /**
+ * The component to show the graphics.
+ *
  * @author hneemann
  */
 public class GraphicComponent extends JComponent {
+    private static final Color[] PALETTE = createPalette();
 
     private final int pixSize;
     private final int width;
@@ -14,27 +17,86 @@ public class GraphicComponent extends JComponent {
     private long[] data;
     private int offs;
 
+    /**
+     * Creates a new instance.
+     *
+     * @param width  the width in pixels
+     * @param height the height in pixels
+     */
     public GraphicComponent(int width, int height) {
         this.width = width;
         this.height = height;
-        pixSize=4;
+
+        int pw = 640 / width;
+        int ph = 400 / height;
+        pixSize = (pw + ph) / 2;
+
         Dimension size = new Dimension(width * pixSize, height * pixSize);
         setPreferredSize(size);
         setMinimumSize(size);
         setMinimumSize(size);
+        setOpaque(true);
     }
 
+    /**
+     * Updates the graphics window
+     *
+     * @param data the data to show
+     * @param bank the bank to show
+     */
     public void updateGraphic(long[] data, boolean bank) {
         this.data = data;
         if (bank)
-            offs=width*height;
+            offs = width * height;
         else
-            offs=0;
+            offs = 0;
         repaint();
     }
 
     @Override
-    protected void printComponent(Graphics g) {
-        super.printComponent(g);
+    protected void paintComponent(Graphics g) {
+        for (int x = 0; x < width; x++)
+            for (int y = 0; y < height; y++) {
+                int p = (int) data[offs + y * width + x];
+                if (p >= PALETTE.length) p = 1;
+                g.setColor(PALETTE[p]);
+                g.fillRect(x * pixSize, y * pixSize, pixSize, pixSize);
+            }
+    }
+
+    private static Color[] createPalette() {
+        Color[] col = new Color[64 + 16 + 32];
+        for (int i = 0; i < col.length; i++)
+            col[i] = Color.BLACK;
+
+        col[0] = Color.WHITE;
+        col[1] = Color.BLACK;
+        col[2] = Color.RED;
+        col[3] = Color.GREEN;
+        col[4] = Color.BLUE;
+        col[5] = Color.YELLOW;
+        col[6] = Color.CYAN;
+        col[7] = Color.MAGENTA;
+        col[8] = Color.ORANGE;
+        col[9] = Color.PINK;
+
+        for (int g = 0; g < 32; g++) {
+            int in = (255 * (31-g)) / 31;
+            col[10 + g] = new Color(in, in, in);
+        }
+
+        int index = 42;
+        for (int r = 0; r < 4; r++)
+            for (int g = 0; g < 4; g++)
+                for (int b = 0; b < 4; b++) {
+                    col[index] = new Color(getComp(r), getComp(g), getComp(b));
+                    index++;
+                }
+
+        return col;
+    }
+
+    private static int getComp(int c) {
+        return (255 * c) / 3;
     }
 }

src/main/java/de/neemann/digital/gui/components/graphics/GraphicDialog.java

@@ -19,6 +19,7 @@ public class GraphicDialog extends JDialog {
         getContentPane().add(graphicComponent);
         pack();
 
+        setAlwaysOnTop(true);
         setLocationRelativeTo(null);
         setVisible(true);
     }

src/main/resources/lang/lang_de.xml

@@ -82,7 +82,7 @@ Ein gibt einen Eingang für das Beschreiben und einen Ausgang für das Auslesen
     <string name="elem_RAMSinglePort_pin_ld">Ist dieser Eingang 1 wird das Datenwort ausgegeben.</string>
     <string name="elem_RAMSinglePort_pin_str">Ist dieser Eingang 1 wird mit steigendem Takt das Datenwort gespeichert.</string>
     <string name="elem_RAMSinglePort_tt">Ein RAM Module mit einem bidirektionellem Anschluss für das Lesen und Schreiben von Daten.</string>
-    <string name="elem_GraphicCard">Grafikkarte</string>
+    <string name="elem_GraphicCard">Grafik-RAM</string>
     <string name="elem_GraphicCard_tt">Wird verwendet um Bitmap Grafiken anzuzeigen.</string>
     <string name="elem_GraphicCard_pin_B">Auswahl der anzuzeigenden Seite.</string>
     <string name="elem_ROM">ROM</string>
@@ -228,6 +228,8 @@ Zur Analyse können Sie die Schaltung im Gatterschrittmodus ausführen.</string>
     <string name="key_valueIsProbe">Als Messwert verwenden</string>
     <string name="key_valueIsProbe_tt">Wenn gesetzt, taucht der Wert als Messwert in Graph und Tabelle auf</string>
     <string name="key_Testdata">Testdaten</string>
+    <string name="key_graphicWidth">Breite in Pixel</string>
+    <string name="key_graphicHeight">Höhe in Pixel</string>
     <string name="lib_Logic">Logisch</string>
     <string name="lib_arithmetic">Arithmetik</string>
     <string name="lib_flipFlops">FlipFlops</string>

src/main/resources/lang/lang_en.xml

@@ -81,7 +81,7 @@ So this gate can emulate every combinatorial gate.</string>
     <string name="elem_RAMSinglePort_pin_ld">If this input is high the output is activated and the data is visible at the output.</string>
     <string name="elem_RAMSinglePort_pin_str">If this input is high when the clock becomes high, the the data is stored.</string>
     <string name="elem_RAMSinglePort_tt">A RAM module with a bidirectional connection for reading and writing the data.</string>
-    <string name="elem_GraphicCard">GraphicCard</string>
+    <string name="elem_GraphicCard">Graphic RAM</string>
     <string name="elem_GraphicCard_tt">Used to show bitmap graphic</string>
     <string name="elem_GraphicCard_pin_B">Selects the buffer to show</string>
     <string name="elem_ROM">ROM</string>