diff --git a/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/CanvasImageSource.java b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/CanvasImageSource.java
new file mode 100644
index 0000000000..e4ebb61287
--- /dev/null
+++ b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/CanvasImageSource.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2020 Mirko Sertic
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package de.mirkosertic.bytecoder.api.web;
+
+import de.mirkosertic.bytecoder.api.OpaqueReferenceType;
+
+public interface CanvasImageSource extends OpaqueReferenceType {
+}
\ No newline at end of file
diff --git a/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/CanvasRenderingContext2D.java b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/CanvasRenderingContext2D.java
index f52c09de9f..8f1947d42c 100644
--- a/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/CanvasRenderingContext2D.java
+++ b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/CanvasRenderingContext2D.java
@@ -19,6 +19,8 @@
 import de.mirkosertic.bytecoder.api.OpaqueReferenceType;
 
 public interface CanvasRenderingContext2D extends OpaqueReferenceType {
+    @OpaqueProperty
+    void setGlobalCompositeOperation(String type);
 
     @OpaqueProperty
     void setFillStyle(String aStyle);
@@ -52,4 +54,16 @@ public interface CanvasRenderingContext2D extends OpaqueReferenceType {
     void arc(double x, double y, double radius, double startAngle, double endAngle, boolean anticlockwise);
 
     void stroke();
+
+    void fill();
+
+    void rect(int x, int y, int width, int height);
+
+    void drawImage(CanvasImageSource image, int sx, int sy);
+
+    void drawImage(CanvasImageSource image, int sx, int sy, int sWidth, int sHeight, int dx, int dy, int dWidth, int dHeight);
+
+    void getImageData(int sx, int sy, int sw, int sh);
+
+    void clearRect(int x, int y, int width, int height);
 }
diff --git a/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/HTMLCanvasElement.java b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/HTMLCanvasElement.java
index 1e85c8bc40..9a17cb87fe 100644
--- a/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/HTMLCanvasElement.java
+++ b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/HTMLCanvasElement.java
@@ -15,7 +15,15 @@
  */
 package de.mirkosertic.bytecoder.api.web;
 
-public interface HTMLCanvasElement extends HTMLElement {
+import de.mirkosertic.bytecoder.api.OpaqueProperty;
+
+public interface HTMLCanvasElement extends HTMLElement, CanvasImageSource {
 
     CanvasRenderingContext2D getContext(final String contextName);
+
+    @OpaqueProperty
+    int width();
+
+    @OpaqueProperty
+    int height();
 }
diff --git a/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/HTMLImageElement.java b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/HTMLImageElement.java
new file mode 100644
index 0000000000..6b45a6c47f
--- /dev/null
+++ b/classlib/bytecoder.web/src/main/java/de/mirkosertic/bytecoder/api/web/HTMLImageElement.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2020 Mirko Sertic
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package de.mirkosertic.bytecoder.api.web;
+
+
+import de.mirkosertic.bytecoder.api.OpaqueReferenceType;
+
+public interface HTMLImageElement extends CanvasImageSource, OpaqueReferenceType {
+}
\ No newline at end of file