Enable full support for icon sets in GUI

api/src/main/java/com/bartlomiejpluta/base/api/gui/GUI.java

@@ -44,6 +44,8 @@ public interface GUI extends Renderable, Updatable, Disposable {
 
    Image getImage(String imageUid, int imageFlags);
 
+   IconSet getIconSet(String iconSetUid);
+
    void beginPath();
 
    void closePath();
@@ -114,9 +116,13 @@ public interface GUI extends Renderable, Updatable, Disposable {
 
    void radialGradient(float x, float y, float innerRadius, float outerRadius, Color start, Color end, Paint target);
 
-   void imagePattern(float x, float y, float angle, float alpha, Image image, Paint target);
+   Paint imagePattern(float x, float y, float angle, float alpha, Image image, Paint target);
 
-   void imagePattern(float x, float y, float width, float height, float angle, float alpha, Image image, Paint target);
+   Paint imagePattern(float x, float y, float width, float height, float angle, float alpha, Image image, Paint target);
+
+   void image(float x, float y, float scaleX, float scaleY, float angle, float alpha, Image image, Paint target);
+
+   void icon(float x, float y, float scaleX, float scaleY, float angle, float alpha, IconSet iconSet, int row, int column, Paint target);
 
    void clip(float x, float y, float width, float height);
 

api/src/main/java/com/bartlomiejpluta/base/api/gui/IconSet.java

@@ -0,0 +1,15 @@
+package com.bartlomiejpluta.base.api.gui;
+
+public interface IconSet {
+   int getWidth();
+
+   int getHeight();
+
+   int getRows();
+
+   int getColumns();
+
+   int getIconHeight();
+
+   int getIconWidth();
+}

api/src/main/java/com/bartlomiejpluta/base/api/icon/Icon.java

@@ -6,4 +6,10 @@ public interface Icon extends Entity {
    void changeIcon(int row, int column);
 
    void changeIcon(String iconSetUid, int row, int column);
+
+   String getIconSetUid();
+
+   int getIconSetRow();
+
+   int getIconSetColumn();
 }

api/src/main/java/com/bartlomiejpluta/base/lib/gui/IconView.java

@@ -0,0 +1,83 @@
+package com.bartlomiejpluta.base.lib.gui;
+
+import com.bartlomiejpluta.base.api.context.Context;
+import com.bartlomiejpluta.base.api.gui.GUI;
+import com.bartlomiejpluta.base.api.gui.IconSet;
+import com.bartlomiejpluta.base.api.gui.Paint;
+import com.bartlomiejpluta.base.api.icon.Icon;
+import com.bartlomiejpluta.base.api.screen.Screen;
+import lombok.NonNull;
+import lombok.Setter;
+
+public class IconView extends BaseComponent {
+   private final GUI gui;
+   private final Paint paint;
+
+   private IconSet iconSet;
+
+   @NonNull
+   @Setter
+   private Float scaleX = 1f;
+
+   @NonNull
+   @Setter
+   private Float scaleY = 1f;
+
+   @NonNull
+   @Setter
+   private Float angle = 0f;
+
+   @NonNull
+   @Setter
+   private Float alpha = 1f;
+
+   @NonNull
+   @Setter
+   private Integer iconSetRow = 0;
+
+   @NonNull
+   @Setter
+   private Integer iconSetColumn = 0;
+
+
+   public IconView(Context context, GUI gui) {
+      super(context, gui);
+      this.gui = gui;
+      this.paint = gui.createPaint();
+   }
+
+   public void setIcon(Icon icon) {
+      if (icon == null) {
+         iconSet = null;
+         return;
+      }
+
+      iconSet = gui.getIconSet(icon.getIconSetUid());
+      iconSetRow = icon.getIconSetRow();
+      iconSetColumn = icon.getIconSetColumn();
+   }
+
+   public void setScale(@NonNull Float scale) {
+      this.scaleX = scale;
+      this.scaleY = scale;
+   }
+
+   @Override
+   protected float getContentWidth() {
+      return iconSet != null ? iconSet.getIconWidth() * scaleX : 0;
+   }
+
+   @Override
+   protected float getContentHeight() {
+      return iconSet != null ? iconSet.getIconHeight() * scaleY : 0;
+   }
+
+   @Override
+   public void draw(Screen screen, GUI gui) {
+      if (iconSet == null) {
+         return;
+      }
+
+      gui.icon(x, y, scaleX, scaleY, angle, alpha, iconSet, iconSetRow, iconSetColumn, paint);
+   }
+}