moved java files for pre-convert

2026-07-26 12:22:34 +00:00 · 2022-08-20 12:00:19 -05:00
parent 4997291cb8
commit 1901c96559
2757 changed files with 57224 additions and 0 deletions
--- a/src/aztec/AztecWriter.java
+++ b/src/aztec/AztecWriter.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2013 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.aztec;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.Writer;
+import com.google.zxing.aztec.encoder.AztecCode;
+import com.google.zxing.aztec.encoder.Encoder;
+import com.google.zxing.common.BitMatrix;
+
+import java.nio.charset.Charset;
+import java.util.Map;
+
+/**
+ * Renders an Aztec code as a {@link BitMatrix}.
+ */
+public final class AztecWriter implements Writer {
+
+  @Override
+  public BitMatrix encode(String contents, BarcodeFormat format, int width, int height) {
+    return encode(contents, format, width, height, null);
+  }
+
+  @Override
+  public BitMatrix encode(String contents, BarcodeFormat format, int width, int height, Map<EncodeHintType,?> hints) {
+    Charset charset = null; // Do not add any ECI code by default
+    int eccPercent = Encoder.DEFAULT_EC_PERCENT;
+    int layers = Encoder.DEFAULT_AZTEC_LAYERS;
+    if (hints != null) {
+      if (hints.containsKey(EncodeHintType.CHARACTER_SET)) {
+        charset = Charset.forName(hints.get(EncodeHintType.CHARACTER_SET).toString());
+      }
+      if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
+        eccPercent = Integer.parseInt(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
+      }
+      if (hints.containsKey(EncodeHintType.AZTEC_LAYERS)) {
+        layers = Integer.parseInt(hints.get(EncodeHintType.AZTEC_LAYERS).toString());
+      }
+    }
+    return encode(contents, format, width, height, charset, eccPercent, layers);
+  }
+
+  private static BitMatrix encode(String contents, BarcodeFormat format,
+                                  int width, int height,
+                                  Charset charset, int eccPercent, int layers) {
+    if (format != BarcodeFormat.AZTEC) {
+      throw new IllegalArgumentException("Can only encode AZTEC, but got " + format);
+    }
+    AztecCode aztec = Encoder.encode(contents, eccPercent, layers, charset);
+    return renderResult(aztec, width, height);
+  }
+
+  private static BitMatrix renderResult(AztecCode code, int width, int height) {
+    BitMatrix input = code.getMatrix();
+    if (input == null) {
+      throw new IllegalStateException();
+    }
+    int inputWidth = input.getWidth();
+    int inputHeight = input.getHeight();
+    int outputWidth = Math.max(width, inputWidth);
+    int outputHeight = Math.max(height, inputHeight);
+
+    int multiple = Math.min(outputWidth / inputWidth, outputHeight / inputHeight);
+    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)) {
+          output.setRegion(outputX, outputY, multiple, multiple);
+        }
+      }
+    }
+    return output;
+  }
+}