From b0335642307ee51c9f3153194e1f43126e278c4b Mon Sep 17 00:00:00 2001
From: Adam NAILI
Date: Tue, 9 Jan 2018 01:26:23 +0100
Subject: Implementing classes from context package (Context, Game,
 GraphicsContext, InputHandler, ScreenManager)

---
 .../java/fr/umlv/java/wallj/context/Context.java   |  2 +-
 src/main/java/fr/umlv/java/wallj/context/Game.java |  2 +-
 .../umlv/java/wallj/context/GraphicsContext.java   | 28 +++++++++++++++--
 .../fr/umlv/java/wallj/context/InputHandler.java   |  8 +++--
 .../fr/umlv/java/wallj/context/ScreenManager.java  | 35 +++++++++++++++++++++-
 5 files changed, 67 insertions(+), 8 deletions(-)

(limited to 'src/main/java')

diff --git a/src/main/java/fr/umlv/java/wallj/context/Context.java b/src/main/java/fr/umlv/java/wallj/context/Context.java
index a924c2b..1f188de 100644
--- a/src/main/java/fr/umlv/java/wallj/context/Context.java
+++ b/src/main/java/fr/umlv/java/wallj/context/Context.java
@@ -7,7 +7,7 @@ import java.util.List;
 import java.util.Objects;
 
 /**
- * A context used to store the current state of the application at one tick.
+ * A context used to store the current state of the application at one tick
  */
 public final class Context {
   //TODO Class Context
diff --git a/src/main/java/fr/umlv/java/wallj/context/Game.java b/src/main/java/fr/umlv/java/wallj/context/Game.java
index b3418c4..ba7cb58 100644
--- a/src/main/java/fr/umlv/java/wallj/context/Game.java
+++ b/src/main/java/fr/umlv/java/wallj/context/Game.java
@@ -9,7 +9,7 @@ import java.util.NoSuchElementException;
 import java.util.Objects;
 
 /**
- * A game
+ * A game.
  */
 public final class Game {
   //TODO
diff --git a/src/main/java/fr/umlv/java/wallj/context/GraphicsContext.java b/src/main/java/fr/umlv/java/wallj/context/GraphicsContext.java
index 214eeb0..46c326a 100644
--- a/src/main/java/fr/umlv/java/wallj/context/GraphicsContext.java
+++ b/src/main/java/fr/umlv/java/wallj/context/GraphicsContext.java
@@ -1,12 +1,15 @@
 package fr.umlv.java.wallj.context;
 
 import fr.umlv.zen5.ScreenInfo;
+import org.jbox2d.common.Vec2;
 
-import java.awt.Graphics2D;
+import java.awt.*;
+import java.awt.geom.Ellipse2D;
+import java.awt.geom.Rectangle2D;
 import java.util.Objects;
 
 /**
- * A context of the current graphic status of the application
+ * A context of the current graphic status of the application.
  */
 public final class GraphicsContext {
   //TODO Class GraphicsContext
@@ -35,4 +38,25 @@ public final class GraphicsContext {
   public ScreenInfo getScreenInfo() {
     return screenInfo;
   }
+
+  /**
+   * @param color    the color of the circle
+   * @param position the upper left corner of the rectangle frame that contains the circle
+   * @param size     size of the circle
+   */
+  public void paintCircle(Color color, Vec2 position, float size) {
+    graphics2D.setColor(color);
+    graphics2D.fill(new Ellipse2D.Float(position.x, position.y, size, size));
+  }
+
+  /**
+   * @param color    the color of the rectangle
+   * @param position the upper left corner of the rectangle
+   * @param width    width of the rectangle
+   * @param height   height of the rectangle
+   */
+  public void paintRectangle(Color color, Vec2 position, float width, float height) {
+    graphics2D.setColor(color);
+    graphics2D.fill(new Rectangle2D.Float(position.x, position.y, width, height));
+  }
 }
diff --git a/src/main/java/fr/umlv/java/wallj/context/InputHandler.java b/src/main/java/fr/umlv/java/wallj/context/InputHandler.java
index 2881da9..171f665 100644
--- a/src/main/java/fr/umlv/java/wallj/context/InputHandler.java
+++ b/src/main/java/fr/umlv/java/wallj/context/InputHandler.java
@@ -13,21 +13,23 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
 
-import static fr.umlv.java.wallj.board.TileVec2.of;
 
+/**
+ * Treats the inputs from the keyboard and mouse provided by Zen 5 and creates Events meaningful for the game.
+ */
 public final class InputHandler {
   //TODO Class InputHandler
   private final ApplicationContext applicationContext;
 
   /**
-   * @param applicationContext
+   * @param applicationContext the Zen5 application context
    */
   public InputHandler(ApplicationContext applicationContext) {
     this.applicationContext = Objects.requireNonNull(applicationContext);
   }
 
   /**
-   * @return
+   * @return the list of events converted from Zen 5 events to game events
    */
   List<fr.umlv.java.wallj.event.Event> getEvents() {
     LinkedList<fr.umlv.java.wallj.event.Event> events = new LinkedList<>();
diff --git a/src/main/java/fr/umlv/java/wallj/context/ScreenManager.java b/src/main/java/fr/umlv/java/wallj/context/ScreenManager.java
index 4587355..9d6255f 100644
--- a/src/main/java/fr/umlv/java/wallj/context/ScreenManager.java
+++ b/src/main/java/fr/umlv/java/wallj/context/ScreenManager.java
@@ -1,5 +1,38 @@
 package fr.umlv.java.wallj.context;
 
-public class ScreenManager {
+import fr.umlv.zen5.ApplicationContext;
+import fr.umlv.zen5.ScreenInfo;
+import org.jbox2d.common.Vec2;
+
+import java.awt.Graphics2D;
+import java.util.Objects;
+
+/**
+ * Cleans the GraphicsContext
+ */
+public final class ScreenManager {
   //TODO Class ScreenManager
+  private final ApplicationContext applicationContext;
+  private final Graphics2D graphics2D;
+
+  /**
+   *
+   * @param applicationContext the current application context
+   * @param graphics2D the current graphics2D
+   */
+  public ScreenManager(ApplicationContext applicationContext, Graphics2D graphics2D) {
+    this.applicationContext = Objects.requireNonNull(applicationContext);
+    this.graphics2D = Objects.requireNonNull(graphics2D);
+  }
+
+  /**
+   *
+   * @return a graphic context
+   */
+  public GraphicsContext clearScreen() {
+    ScreenInfo screenInfo = applicationContext.getScreenInfo();
+    GraphicsContext graphicsContext = new GraphicsContext(graphics2D, screenInfo);
+    graphicsContext.paintRectangle(graphics2D.getBackground(), new Vec2(0, 0), screenInfo.getWidth(), screenInfo.getHeight());
+    return graphicsContext;
+  }
 }
-- 
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