feat(Drawable): add more setColor methods

.gitignore

@@ -1,6 +1,53 @@
 # Project exclude paths
-out
-build
 .doc
 .tmp
-.gradle
+bin
+
+# github java .gitignore
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*
+
+# github gradle .gitignore
+.gradle
+**/build/
+!src/**/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Avoid ignore Gradle wrappper properties
+!gradle-wrapper.properties
+
+# Cache of project
+.gradletasknamecache
+
+# Eclipse Gradle plugin generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath

src/main/java/paintingcanvas/drawable/Drawable.java

@@ -403,6 +403,22 @@ public T setColor(int r, int g, int b) {
         return this.setColor(new Color(r, g, b));
     }
 
+    /**
+     * Set the color of the element with <a href="https://en.wikipedia.org/wiki/RGBA_color_model">RGBA</a>.
+     * <pre>{@code
+     * Circle o = new Circle(100, 100, 20);
+     * o.setColor(255, 0, 0); // Set color to red
+     * }</pre>
+     *
+     * @param r The red component of the color (0-255)
+     * @param g The green component of the color (0-255)
+     * @param b The blue component of the color (0-255)
+     * @return The original object to allow method chaining
+     */
+    public T setColor(int r, int g, int b, int a) {
+        return this.setColor(new Color(r, g, b, a));
+    }
+
     /**
      * Get the current color of an element as a {@link Color}
      *
@@ -429,19 +445,43 @@ public T setColor(Color color) {
         return getThis();
     }
 
+        /**
+     * Set the color of the object with a {@link Hue} object.
+     * <pre>{@code
+     * Circle o = new Circle(100, 100, 20);
+     * o.setColor(Hue.GREEN); // Set color to red
+     * }</pre>
+     *
+     * @param color color.
+     * @return The original object to allow method chaining
+     */
+    public T setColor(Hue hue) {
+        synchronized (Canvas.drawableSync) {
+            this.color = hue.getColor();
+        }
+        return getThis();
+    }
+
     /**
-     * Set the color of the object with a certain color by name
+     * Set the color of the object with a certain color by name, or by a <a href="https://en.wikipedia.org/wiki/RGB_color_model">hex code</a>. string.
      * (see {@link Hue} for list of all valid names)
      * <pre>{@code
      * Circle o = new Circle(100, 100, 20);
      * o.setColor("red"); // Set color to red
+     * // #FF0000 is hex for (255, 0, 0), which is red
+     * o.setColor("#FF0000"); // Set color to red, in a different way
      * }</pre>
      *
      * @param color The name of the color (case-insensitive)
      * @return The original object to allow method chaining
      */
-    public T setColor(String color) {
-        return setColor(Hue.getColor(color));
+    public T setColor(String name) {
+        try {
+            var color = Color.decode(name);
+            return setColor(color);
+        } catch (Exception e) {
+            return setColor(Hue.getColor(name));
+        }
     }
 
     /**

src/main/java/paintingcanvas/drawable/Triangle.java

@@ -21,8 +21,6 @@ public class Triangle extends Drawable<Triangle> {
      */
     public int height;
 
-    private Polygon poly;
-
     /**
      * Create a new Triangle element.
      * <pre>{@code
@@ -144,4 +142,4 @@ protected void drawOutline(Graphics2D gc) {
     protected Triangle getThis() {
         return this;
     }
-}
+}

src/main/java/paintingcanvas/extensions/InfoDisplay.java

@@ -4,7 +4,6 @@
 import paintingcanvas.canvas.RenderLifecycle;
 
 import java.awt.*;
-import java.awt.image.BufferedImage;
 
 /**
  * Displays some information on the screen, such as

src/test/java/examples/Tessellation.java

@@ -210,7 +210,6 @@ void draw(int x, int y) {
         var height = Const.height;
 
         var p1 = new Point(-size / 2, -height);
-        var p2 = new Point(size / 2, -height);
 
         path = new Path().setPos(x, y);
         outline = new Path().setPos(x, y);