From d830fef6a2bc2ab061e6ac2b423c4a49dda3cf21 Mon Sep 17 00:00:00 2001
From: mac <user@users-MacBook-Pro.local>
Date: 星期三, 06 十二月 2023 18:08:26 +0800
Subject: [PATCH] 2023年12月06日18:08:20
---
app/src/main/java/com/hdl/photovoltaic/other/HdlCommonLogic.java | 76 ++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 0 deletions(-)
diff --git a/app/src/main/java/com/hdl/photovoltaic/other/HdlCommonLogic.java b/app/src/main/java/com/hdl/photovoltaic/other/HdlCommonLogic.java
index 008944e..7b5307a 100644
--- a/app/src/main/java/com/hdl/photovoltaic/other/HdlCommonLogic.java
+++ b/app/src/main/java/com/hdl/photovoltaic/other/HdlCommonLogic.java
@@ -1,5 +1,16 @@
package com.hdl.photovoltaic.other;
+import android.graphics.Bitmap;
+import android.text.TextUtils;
+
+import com.dcloud.zxing2.WriterException;
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.qrcode.QRCodeWriter;
+
+import java.util.Hashtable;
+
/**
* 鍏叡閫昏緫
*/
@@ -25,4 +36,69 @@
}
+ /**
+ * 鐢熸垚浜岀淮鐮�
+ *
+ * @param content 瀛楃涓插唴瀹�
+ * @param width 浜岀淮鐮佸搴�
+ * @param height 浜岀淮鐮侀珮搴�
+ * @param character_set 缂栫爜鏂瑰紡锛堜竴鑸娇鐢║TF-8锛�
+ * @param error_correction_level 瀹归敊鐜� L锛�7% M锛�15% Q锛�25% H锛�35%
+ * @param margin 绌虹櫧杈硅窛锛堜簩缁寸爜涓庤竟妗嗙殑绌虹櫧鍖哄煙锛�
+ * @param color_black 榛戣壊鑹插潡
+ * @param color_white 鐧借壊鑹插潡
+ * @return BitMap
+ */
+ public Bitmap createQRCodeBitmap(String content, int width, int height,
+ String character_set, String error_correction_level,
+ String margin, int color_black, int color_white) {
+ // 瀛楃涓插唴瀹瑰垽绌�
+ if (TextUtils.isEmpty(content)) {
+ return null;
+ }
+ // 瀹藉拰楂�>=0
+ if (width < 0 || height < 0) {
+ return null;
+ }
+ try {
+ /** 1.璁剧疆浜岀淮鐮佺浉鍏抽厤缃� */
+ Hashtable<EncodeHintType, String> hints = new Hashtable<>();
+ // 瀛楃杞爜鏍煎紡璁剧疆
+ if (!TextUtils.isEmpty(character_set)) {
+ hints.put(EncodeHintType.CHARACTER_SET, character_set);
+ }
+ // 瀹归敊鐜囪缃�
+ if (!TextUtils.isEmpty(error_correction_level)) {
+ hints.put(EncodeHintType.ERROR_CORRECTION, error_correction_level);
+ }
+ // 绌虹櫧杈硅窛璁剧疆
+ if (!TextUtils.isEmpty(margin)) {
+ hints.put(EncodeHintType.MARGIN, margin);
+ }
+ /** 2.灏嗛厤缃弬鏁颁紶鍏ュ埌QRCodeWriter鐨別ncode鏂规硶鐢熸垚BitMatrix(浣嶇煩闃�)瀵硅薄 */
+ BitMatrix bitMatrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints);
+
+ /** 3.鍒涘缓鍍忕礌鏁扮粍,骞舵牴鎹瓸itMatrix(浣嶇煩闃�)瀵硅薄涓烘暟缁勫厓绱犺祴棰滆壊鍊� */
+ int[] pixels = new int[width * height];
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++) {
+ //bitMatrix.get(x,y)鏂规硶杩斿洖true鏄粦鑹茶壊鍧楋紝false鏄櫧鑹茶壊鍧�
+ if (bitMatrix.get(x, y)) {
+ pixels[y * width + x] = color_black;//榛戣壊鑹插潡鍍忕礌璁剧疆
+ } else {
+ pixels[y * width + x] = color_white;// 鐧借壊鑹插潡鍍忕礌璁剧疆
+ }
+ }
+ }
+ /** 4.鍒涘缓Bitmap瀵硅薄,鏍规嵁鍍忕礌鏁扮粍璁剧疆Bitmap姣忎釜鍍忕礌鐐圭殑棰滆壊鍊�,骞惰繑鍥濨itmap瀵硅薄 */
+ Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+ bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
+ return bitmap;
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
+
}
--
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