# HG changeset patch
# User toni.epple@eppleton.de
# Date 1368792355 -7200
# Node ID e198f1a3814fe4c6d323955b6b601908402a60ca
# Parent  848b2cc261e6081d51d9bd9f8a5bb3769c1b08f6
Created SPI as a Factory for GraphicsObjects

diff -r 848b2cc261e6 -r e198f1a3814f javaquery/canvas/src/main/java/net/java/html/canvas/GraphicsEnvironment.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaquery/canvas/src/main/java/net/java/html/canvas/GraphicsEnvironment.java	Fri May 17 14:05:55 2013 +0200
@@ -0,0 +1,102 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package net.java.html.canvas;
+
+import java.util.ServiceLoader;
+
+/**
+ *
+ * @author antonepple
+ */
+public abstract class GraphicsEnvironment {
+
+    private static GraphicsEnvironment DEFAULT;
+
+    public GraphicsEnvironment getDefault() {
+        if (DEFAULT == null) {
+            ServiceLoader<GraphicsEnvironment> loader = ServiceLoader.load(GraphicsEnvironment.class);
+            DEFAULT = loader.iterator().next();
+        }
+        return DEFAULT == null ? getDummyInstance() : DEFAULT;
+    }
+
+    public abstract Image getImageForPath(String path);
+    
+    public abstract LinearGradient createLinearGradient();
+    
+    public abstract Pattern createPattern();
+    
+    public abstract RadialGradient createRadialGradient();
+    
+    public abstract TextMetrics createTextMetrics();
+    
+    private GraphicsEnvironment getDummyInstance() {
+        
+        return new GraphicsEnvironment() {
+
+            @Override
+            public Image getImageForPath(String path) {
+               return new Image() {
+
+                   @Override
+                   public int getHeight() {
+                     return 0;
+                   }
+
+                   @Override
+                   public int getWidth() {
+                       return 0;
+                   }
+               };
+            }
+
+            @Override
+            public LinearGradient createLinearGradient() {
+                return new LinearGradient() {
+
+                    @Override
+                    public void addColorStop(double position, String color) {
+                      
+                    }
+                };
+            }
+
+            @Override
+            public Pattern createPattern() {
+               return new Pattern() {
+};
+            }
+
+            @Override
+            public RadialGradient createRadialGradient() {
+                return new RadialGradient() {
+
+                    @Override
+                    public void addColorStop(double position, String color) {
+                        
+                    }
+                };
+            }
+
+            @Override
+            public TextMetrics createTextMetrics() {
+                return new TextMetrics() {
+
+                    @Override
+                    public double getHeight() {
+                        return 0;
+                    }
+
+                    @Override
+                    public double getWidth() {
+                        return 0;
+                    }
+                };
+            }
+        };
+    }
+    
+    
+}