+ /**
+ * Setup system colors to match DOS color palette.
+ */
+ private void setDOSColors() {
+ MYBLACK = new java.awt.Color(0x00, 0x00, 0x00);
+ MYRED = new java.awt.Color(0xa8, 0x00, 0x00);
+ MYGREEN = new java.awt.Color(0x00, 0xa8, 0x00);
+ MYYELLOW = new java.awt.Color(0xa8, 0x54, 0x00);
+ MYBLUE = new java.awt.Color(0x00, 0x00, 0xa8);
+ MYMAGENTA = new java.awt.Color(0xa8, 0x00, 0xa8);
+ MYCYAN = new java.awt.Color(0x00, 0xa8, 0xa8);
+ MYWHITE = new java.awt.Color(0xa8, 0xa8, 0xa8);
+ MYBOLD_BLACK = new java.awt.Color(0x54, 0x54, 0x54);
+ MYBOLD_RED = new java.awt.Color(0xfc, 0x54, 0x54);
+ MYBOLD_GREEN = new java.awt.Color(0x54, 0xfc, 0x54);
+ MYBOLD_YELLOW = new java.awt.Color(0xfc, 0xfc, 0x54);
+ MYBOLD_BLUE = new java.awt.Color(0x54, 0x54, 0xfc);
+ MYBOLD_MAGENTA = new java.awt.Color(0xfc, 0x54, 0xfc);
+ MYBOLD_CYAN = new java.awt.Color(0x54, 0xfc, 0xfc);
+ MYBOLD_WHITE = new java.awt.Color(0xfc, 0xfc, 0xfc);
+ }
+
+ /**
+ * Setup ECMA48 colors to match those provided in system properties.
+ */
+ private void setCustomSystemColors() {
+ setDOSColors();
+
+ MYBLACK = getCustomColor("jexer.ECMA48.color0", MYBLACK);
+ MYRED = getCustomColor("jexer.ECMA48.color1", MYRED);
+ MYGREEN = getCustomColor("jexer.ECMA48.color2", MYGREEN);
+ MYYELLOW = getCustomColor("jexer.ECMA48.color3", MYYELLOW);
+ MYBLUE = getCustomColor("jexer.ECMA48.color4", MYBLUE);
+ MYMAGENTA = getCustomColor("jexer.ECMA48.color5", MYMAGENTA);
+ MYCYAN = getCustomColor("jexer.ECMA48.color6", MYCYAN);
+ MYWHITE = getCustomColor("jexer.ECMA48.color7", MYWHITE);
+ MYBOLD_BLACK = getCustomColor("jexer.ECMA48.color8", MYBOLD_BLACK);
+ MYBOLD_RED = getCustomColor("jexer.ECMA48.color9", MYBOLD_RED);
+ MYBOLD_GREEN = getCustomColor("jexer.ECMA48.color10", MYBOLD_GREEN);
+ MYBOLD_YELLOW = getCustomColor("jexer.ECMA48.color11", MYBOLD_YELLOW);
+ MYBOLD_BLUE = getCustomColor("jexer.ECMA48.color12", MYBOLD_BLUE);
+ MYBOLD_MAGENTA = getCustomColor("jexer.ECMA48.color13", MYBOLD_MAGENTA);
+ MYBOLD_CYAN = getCustomColor("jexer.ECMA48.color14", MYBOLD_CYAN);
+ MYBOLD_WHITE = getCustomColor("jexer.ECMA48.color15", MYBOLD_WHITE);
+ }
+
+ /**
+ * Setup one system color to match the RGB value provided in system
+ * properties.
+ *
+ * @param key the system property key
+ * @param defaultColor the default color to return if key is not set, or
+ * incorrect
+ * @return a color from the RGB string, or defaultColor
+ */
+ private java.awt.Color getCustomColor(final String key,
+ final java.awt.Color defaultColor) {
+
+ String rgb = System.getProperty(key);
+ if (rgb == null) {
+ return defaultColor;
+ }
+ if (rgb.startsWith("#")) {
+ rgb = rgb.substring(1);
+ }
+ int rgbInt = 0;
+ try {
+ rgbInt = Integer.parseInt(rgb, 16);
+ } catch (NumberFormatException e) {
+ return defaultColor;
+ }
+ java.awt.Color color = new java.awt.Color((rgbInt & 0xFF0000) >>> 16,
+ (rgbInt & 0x00FF00) >>> 8,
+ (rgbInt & 0x0000FF));
+
+ return color;
+ }
+
+ /**
+ * Create a T.416 RGB parameter sequence for a custom system color.
+ *
+ * @param color one of the MYBLACK, MYBOLD_BLUE, etc. colors
+ * @return the color portion of the string to emit to an ANSI /
+ * ECMA-style terminal
+ */
+ private String systemColorRGB(final java.awt.Color color) {
+ return String.format("%d;%d;%d", color.getRed(), color.getGreen(),
+ color.getBlue());
+ }
+