Create support for NVG Colors

api/src/main/java/com/bartlomiejpluta/base/api/game/gui/base/Color.java

@@ -0,0 +1,23 @@
+package com.bartlomiejpluta.base.api.game.gui.base;
+
+public interface Color {
+   void setRGB(float red, float green, float blue);
+
+   void setRGBA(float red, float green, float blue, float alpha);
+
+   void setRed(float value);
+
+   void setGreen(float value);
+
+   void setBlue(float value);
+
+   void setAlpha(float value);
+
+   float getRed();
+
+   float getGreen();
+
+   float getBlue();
+
+   float getAlpha();
+}

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

@@ -17,6 +17,8 @@ public interface GUI extends Renderable, Disposable, KeyEventHandler {
 
    void setRoot(Widget root);
 
+   Color createColor();
+
    void beginPath();
 
    void closePath();
@@ -67,11 +69,11 @@ public interface GUI extends Renderable, Disposable, KeyEventHandler {
 
    void setGlobalAlpha(float alpha);
 
-   void setFillColor(float red, float green, float blue, float alpha);
+   void setFillColor(Color color);
 
    void fill();
 
-   void setStrokeColor(float red, float green, float blue, float alpha);
+   void setStrokeColor(Color color);
 
    void setStrokeWidth(float width);
 

api/src/main/java/com/bartlomiejpluta/base/api/game/gui/component/Label.java

@@ -1,54 +1,27 @@
 package com.bartlomiejpluta.base.api.game.gui.component;
 
+import com.bartlomiejpluta.base.api.game.gui.base.Color;
 import com.bartlomiejpluta.base.api.game.gui.base.GUI;
 import com.bartlomiejpluta.base.api.game.screen.Screen;
 
 import static java.util.Objects.requireNonNull;
 
 public class Label extends BaseComponent {
-   private String text;
+   private final GUI gui;
+
+   private String text = "";
    private String font;
-
    private float fontSize;
-
-   private int alignment;
-
-   private float red;
-   private float green;
-   private float blue;
-   private float alpha;
+   private int alignment = GUI.ALIGN_LEFT;
+   private final Color color;
 
    private final float[] bounds = new float[4];
 
-   public Label(String font) {
-      this(font, "", 10f, GUI.ALIGN_LEFT, 1.0f, 1.0f, 1.0f, 1.0f);
-   }
-
-   public Label(String font, String text) {
-      this(font, text, 10f, GUI.ALIGN_LEFT, 1.0f, 1.0f, 1.0f, 1.0f);
-   }
-
-   public Label(String font, String text, float fontSize) {
-      this(font, text, fontSize, GUI.ALIGN_LEFT, 1.0f, 1.0f, 1.0f, 1.0f);
-   }
-
-   public Label(String font, String text, float fontSize, int alignment) {
-      this(font, text, fontSize, alignment, 1.0f, 1.0f, 1.0f, 1.0f);
-   }
-
-   public Label(String font, String text, float fontSize, int alignment, float red, float green, float blue) {
-      this(font, text, fontSize, alignment, red, green, blue, 1.0f);
-   }
-
-   public Label(String font, String text, float fontSize, int alignment, float red, float green, float blue, float alpha) {
-      this.text = requireNonNull(text);
+   public Label(GUI gui, String font) {
+      this.gui = requireNonNull(gui);
       this.font = requireNonNull(font);
-      this.fontSize = fontSize;
-      this.alignment = alignment;
-      this.red = red;
-      this.green = green;
-      this.blue = blue;
-      this.alpha = alpha;
+
+      this.color = this.gui.createColor();
    }
 
    public String getText() {
@@ -84,48 +57,43 @@ public class Label extends BaseComponent {
    }
 
    public float getRed() {
-      return red;
+      return color.getRed();
    }
 
-   public void setRed(float red) {
-      this.red = red;
+   public void setRed(float value) {
+      color.setRed(value);
    }
 
    public float getGreen() {
-      return green;
+      return color.getGreen();
    }
 
-   public void setGreen(float green) {
-      this.green = green;
+   public void setGreen(float value) {
+      color.setGreen(value);
    }
 
    public float getBlue() {
-      return blue;
+      return color.getBlue();
    }
 
-   public void setBlue(float blue) {
-      this.blue = blue;
+   public void setBlue(float value) {
+      color.setBlue(value);
    }
 
    public float getAlpha() {
-      return alpha;
+      return color.getAlpha();
    }
 
-   public void setAlpha(float alpha) {
-      this.alpha = alpha;
+   public void setAlpha(float value) {
+      color.setAlpha(value);
    }
 
    public void setColor(float red, float green, float blue, float alpha) {
-      this.red = red;
-      this.green = green;
-      this.blue = blue;
-      this.alpha = alpha;
+      color.setRGBA(red, green, blue, alpha);
    }
 
    public void setColor(float red, float green, float blue) {
-      this.red = red;
-      this.green = green;
-      this.blue = blue;
+      color.setRGB(red, green, blue);
    }
 
    @Override
@@ -144,7 +112,7 @@ public class Label extends BaseComponent {
       gui.setFontFace(font);
       gui.setTextAlignment(alignment);
       gui.setFontSize(fontSize);
-      gui.setFillColor(red, green, blue, alpha);
+      gui.setFillColor(color);
       gui.fill();
       gui.putTextBox(x + paddingLeft, y + paddingTop, getWidth() - paddingLeft - paddingRight, text, bounds);
    }

engine/src/main/java/com/bartlomiejpluta/base/engine/gui/render/NanoVGColor.java

@@ -0,0 +1,78 @@
+package com.bartlomiejpluta.base.engine.gui.render;
+
+import com.bartlomiejpluta.base.api.game.gui.base.Color;
+import com.bartlomiejpluta.base.api.internal.gc.Disposable;
+import lombok.*;
+import org.lwjgl.nanovg.NVGColor;
+
+@Getter
+@ToString
+@EqualsAndHashCode
+@RequiredArgsConstructor
+public class NanoVGColor implements Color, Disposable {
+
+   @NonNull
+   private final NVGColor color;
+
+   @Override
+   public void setRGB(float red, float green, float blue) {
+      color.r(red);
+      color.g(green);
+      color.b(blue);
+   }
+
+   @Override
+   public void setRGBA(float red, float green, float blue, float alpha) {
+      color.r(red);
+      color.g(green);
+      color.b(blue);
+      color.a(alpha);
+   }
+
+   @Override
+   public void setRed(float value) {
+      color.r(value);
+   }
+
+   @Override
+   public void setGreen(float value) {
+      color.g(value);
+
+   }
+
+   @Override
+   public void setBlue(float value) {
+      color.b(value);
+
+   }
+
+   @Override
+   public void setAlpha(float value) {
+      color.a(value);
+   }
+
+   @Override
+   public float getRed() {
+      return color.r();
+   }
+
+   @Override
+   public float getGreen() {
+      return color.g();
+   }
+
+   @Override
+   public float getBlue() {
+      return color.b();
+   }
+
+   @Override
+   public float getAlpha() {
+      return color.a();
+   }
+
+   @Override
+   public void dispose() {
+      color.free();
+   }
+}

engine/src/main/java/com/bartlomiejpluta/base/engine/gui/render/NanoVGGUI.java

@@ -1,10 +1,7 @@
 package com.bartlomiejpluta.base.engine.gui.render;
 
 import com.bartlomiejpluta.base.api.game.camera.Camera;
-import com.bartlomiejpluta.base.api.game.gui.base.GUI;
-import com.bartlomiejpluta.base.api.game.gui.base.LineCap;
-import com.bartlomiejpluta.base.api.game.gui.base.Widget;
-import com.bartlomiejpluta.base.api.game.gui.base.WindingDirection;
+import com.bartlomiejpluta.base.api.game.gui.base.*;
 import com.bartlomiejpluta.base.api.game.input.KeyEvent;
 import com.bartlomiejpluta.base.api.game.screen.Screen;
 import com.bartlomiejpluta.base.api.internal.render.ShaderManager;
@@ -14,19 +11,17 @@ import com.bartlomiejpluta.base.engine.gui.widget.ScreenWidget;
 import com.bartlomiejpluta.base.engine.world.image.manager.ImageManager;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.lwjgl.nanovg.NVGColor;
-import org.lwjgl.nanovg.NVGPaint;
 import org.springframework.beans.factory.annotation.Autowired;
 
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 import static org.lwjgl.nanovg.NanoVG.*;
 import static org.lwjgl.nanovg.NanoVGGL3.*;
 import static org.lwjgl.system.MemoryUtil.NULL;
 
+@Slf4j
 @Getter
 @RequiredArgsConstructor(onConstructor = @__(@Autowired))
 public class NanoVGGUI implements GUI {
@@ -36,11 +31,7 @@ public class NanoVGGUI implements GUI {
    private long context;
    private ScreenWidget screenWidget;
 
-   private NVGColor fillColor;
-   private NVGColor strokeColor;
-   private NVGPaint fillPaint;
-   private NVGPaint strokePaint;
-
+   private final List<NanoVGColor> colors = new LinkedList<>();
    private final Set<String> loadedFonts = new HashSet<>();
    private final Map<String, Integer> loadedImages = new HashMap<>();
 
@@ -52,11 +43,6 @@ public class NanoVGGUI implements GUI {
       }
 
       screenWidget = new ScreenWidget(screen);
-
-      fillColor = NVGColor.create();
-      strokeColor = NVGColor.create();
-      fillPaint = NVGPaint.create();
-      strokePaint = NVGPaint.create();
    }
 
    @Override
@@ -79,6 +65,14 @@ public class NanoVGGUI implements GUI {
       root.setParent(screenWidget);
    }
 
+   @Override
+   public Color createColor() {
+      log.info("Creating new GUI color");
+      var color = new NanoVGColor(NVGColor.create());
+      colors.add(color);
+      return color;
+   }
+
    @Override
    public void beginPath() {
       nvgBeginPath(context);
@@ -170,13 +164,8 @@ public class NanoVGGUI implements GUI {
    }
 
    @Override
-   public void setFillColor(float red, float green, float blue, float alpha) {
-      fillColor.r(red);
-      fillColor.g(green);
-      fillColor.b(blue);
-      fillColor.a(alpha);
-
-      nvgFillColor(context, fillColor);
+   public void setFillColor(Color color) {
+      nvgFillColor(context, ((NanoVGColor) color).getColor());
    }
 
    @Override
@@ -185,13 +174,8 @@ public class NanoVGGUI implements GUI {
    }
 
    @Override
-   public void setStrokeColor(float red, float green, float blue, float alpha) {
-      strokeColor.r(red);
-      strokeColor.g(green);
-      strokeColor.b(blue);
-      strokeColor.a(alpha);
-
-      nvgStrokeColor(context, strokeColor);
+   public void setStrokeColor(Color color) {
+      nvgStrokeColor(context, ((NanoVGColor) color).getColor());
    }
 
    @Override
@@ -269,10 +253,11 @@ public class NanoVGGUI implements GUI {
 
    @Override
    public void dispose() {
-      fillColor.free();
-      strokeColor.free();
-      fillPaint.free();
-      strokePaint.free();
+      log.info("Disposing GUI color buffers");
+      colors.forEach(NanoVGColor::dispose);
+      log.info("Disposed {} GUI colors", colors.size());
+
+      log.info("Disposing GUI context");
       nvgDelete(context);
    }
 }