Move text-renderer into GLG2D (adapted from sgothel/jogl#47)

pom.xml

@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>net.opengrabeso</groupId>
   <artifactId>glg2d</artifactId>
-  <version>0.6.3</version>
+  <version>0.7.1-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>GLG2D</name>
   <description>OpenGL Text Renderer for JOGL and LWJGL</description>
@@ -67,12 +67,6 @@
       <artifactId>jogl-all-main</artifactId>
       <version>${jogl.version}</version>
     </dependency>
-    <dependency>
-      <groupId>net.opengrabeso</groupId>
-      <artifactId>text-renderer</artifactId>
-      <version>0.1.14-SNAPSHOT</version>
-
-    </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>

src/main/java/net/opengrabeso/opengl/util/GLPixelAttributes.java

@@ -0,0 +1,58 @@
+package net.opengrabeso.opengl.util;
+
+/**
+ * Pixel attributes.
+ */
+public class GLPixelAttributes {
+    /**
+     * Undefined instance of {@link GLPixelAttributes}, having componentCount:=0, format:=0 and type:= 0.
+     */
+    public static final GLPixelAttributes UNDEF = new GLPixelAttributes(0, 0);
+
+    /**
+     * The OpenGL pixel data format
+     */
+    public final int format;
+    /**
+     * The OpenGL pixel data type
+     */
+    public final int type;
+
+    @Override
+    public final int hashCode() {
+        // 31 * x == (x << 5) - x
+        int hash = format;
+        return ((hash << 5) - hash) + type;
+    }
+
+    @Override
+    public final boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof GLPixelAttributes) {
+            final GLPixelAttributes other = (GLPixelAttributes) obj;
+            return format == other.format &&
+                    type == other.type;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Create a new {@link GLPixelAttributes} instance based on GL format and type.
+     *
+     * @param dataFormat GL data format
+     * @param dataType   GL data type
+
+     */
+    public GLPixelAttributes(final int dataFormat, final int dataType) {
+        this.format = dataFormat;
+        this.type = dataType;
+    }
+
+    @Override
+    public String toString() {
+        return "PixelAttributes[fmt 0x" + Integer.toHexString(format) + ", type 0x" + Integer.toHexString(type) + ", " + "]";
+    }
+}