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-rw-r--r--libraries/zxing/src/com/google/zxing/qrcode/QRCodeWriter.java108
1 files changed, 0 insertions, 108 deletions
diff --git a/libraries/zxing/src/com/google/zxing/qrcode/QRCodeWriter.java b/libraries/zxing/src/com/google/zxing/qrcode/QRCodeWriter.java
deleted file mode 100644
index fff4f5d1e..000000000
--- a/libraries/zxing/src/com/google/zxing/qrcode/QRCodeWriter.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * 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.qrcode;
-
-import com.google.zxing.BarcodeFormat;
-import com.google.zxing.EncodeHintType;
-import com.google.zxing.Writer;
-import com.google.zxing.WriterException;
-import com.google.zxing.common.BitMatrix;
-import com.google.zxing.qrcode.encoder.ByteMatrix;
-import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
-import com.google.zxing.qrcode.encoder.Encoder;
-import com.google.zxing.qrcode.encoder.QRCode;
-
-import java.util.Hashtable;
-
-/**
- * This object renders a QR Code as a BitMatrix 2D array of greyscale values.
- *
- * @author dswitkin@google.com (Daniel Switkin)
- */
-public final class QRCodeWriter implements Writer {
-
- private static final int QUIET_ZONE_SIZE = 0; // patched for Bitcoin Wallet
-
- public BitMatrix encode(String contents, BarcodeFormat format, int width, int height)
- throws WriterException {
-
- return encode(contents, format, width, height, null);
- }
-
- public BitMatrix encode(String contents, BarcodeFormat format, int width, int height,
- Hashtable hints) throws WriterException {
-
- if (contents == null || contents.length() == 0) {
- throw new IllegalArgumentException("Found empty contents");
- }
-
- if (format != BarcodeFormat.QR_CODE) {
- throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
- }
-
- if (width < 0 || height < 0) {
- throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
- height);
- }
-
- ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
- if (hints != null) {
- ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION);
- if (requestedECLevel != null) {
- errorCorrectionLevel = requestedECLevel;
- }
- }
-
- QRCode code = new QRCode();
- Encoder.encode(contents, errorCorrectionLevel, hints, code);
- return renderResult(code, width, height);
- }
-
- // Note that the input matrix uses 0 == white, 1 == black, while the output matrix uses
- // 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap).
- private static BitMatrix renderResult(QRCode code, int width, int height) {
- ByteMatrix input = code.getMatrix();
- int inputWidth = input.getWidth();
- int inputHeight = input.getHeight();
- int qrWidth = inputWidth + (QUIET_ZONE_SIZE << 1);
- int qrHeight = inputHeight + (QUIET_ZONE_SIZE << 1);
- int outputWidth = Math.max(width, qrWidth);
- int outputHeight = Math.max(height, qrHeight);
-
- int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight);
- // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
- // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
- // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
- // handle all the padding from 100x100 (the actual QR) up to 200x160.
- int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
- int topPadding = (outputHeight - (inputHeight * multiple)) / 2;
-
- BitMatrix output = new BitMatrix(outputWidth, outputHeight);
-
- for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
- // Write the contents of this row of the barcode
- for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
- if (input.get(inputX, inputY) == 1) {
- output.setRegion(outputX, outputY, multiple, multiple);
- }
- }
- }
-
- return output;
- }
-
-}