Add parts of zxing library to generate qr codes

1 files changed, 54 insertions, 0 deletions

diff --git a/OpenPGP-Keychain/src/com/google/zxing/Writer.java b/OpenPGP-Keychain/src/com/google/zxing/Writer.java
new file mode 100644
index 000000000..6474ca7e2
--- /dev/null
+++ b/OpenPGP-Keychain/src/com/google/zxing/Writer.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2008 ZXing authors
+ *
+ * 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 com.google.zxing;
+
+import com.google.zxing.common.BitMatrix;
+
+import java.util.Hashtable;
+
+/**
+ * The base class for all objects which encode/generate a barcode image.
+ *
+ * @author dswitkin@google.com (Daniel Switkin)
+ */
+public interface Writer {
+
+  /**
+   * Encode a barcode using the default settings.
+   *
+   * @param contents The contents to encode in the barcode
+   * @param format The barcode format to generate
+   * @param width The preferred width in pixels
+   * @param height The preferred height in pixels
+   * @return The generated barcode as a Matrix of unsigned bytes (0 == black, 255 == white)
+   */
+  BitMatrix encode(String contents, BarcodeFormat format, int width, int height)
+      throws WriterException;
+
+  /**
+   *
+   * @param contents The contents to encode in the barcode
+   * @param format The barcode format to generate
+   * @param width The preferred width in pixels
+   * @param height The preferred height in pixels
+   * @param hints Additional parameters to supply to the encoder
+   * @return The generated barcode as a Matrix of unsigned bytes (0 == black, 255 == white)
+   */
+  BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Hashtable hints)
+      throws WriterException;
+
+}