设备下发指令控制

This commit is contained in:
2025-07-28 18:26:02 +08:00
parent 730e9c0bb7
commit 2b2edf096d
24 changed files with 2124 additions and 149 deletions

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package com.fuyuanshen.common.core.utils;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* 80*12像素点阵生成工具
*/
public class Bitmap80x12Generator {
public static void main(String[] args) throws IOException {
// 测试生成中文文本的点阵数据
String text = "张三";
byte[] bitmapData = generateFixedBitmapData(text, 120);
// System.out.println(Arrays.toString(bitmapData));
int[] ints = convertHexToDecimal(bitmapData);
System.out.println(Arrays.toString(ints));
// 生成预览图片
byte[] bytes = convertDecimalToByteArray(ints);
BufferedImage image = convertByteArrayToImage(bytes, 12, 80);
ImageIO.write(image, "PNG", new File("D:\\bitmap_preview.png"));
System.out.println("成功生成预览图片: D:\\bitmap_preview.png");
// 打印十六进制数据
// System.out.println("生成的点阵数据2:");
// printHexData(bitmapData);
// int[] ints = convertHexToDecimal(bitmapData);
System.out.println("打印十进制无符号:"+Arrays.toString(ints));
// printDecimalData(bitmapData);
// 生成C文件
generateCFile(bitmapData, "bitmap_data.c", "chinese_text");
}
/**
* 将十进制整数数组转换为字节数组
*
* @param decimalArray 十进制整数数组假设每个值都在0-255范围内
* @return 字节数组
*/
public static byte[] convertDecimalToByteArray(int[] decimalArray) {
if (decimalArray == null) {
return new byte[0];
}
byte[] byteArray = new byte[decimalArray.length];
for (int i = 0; i < decimalArray.length; i++) {
// 确保值在0-255范围内这是byte的无符号表示范围
int value = decimalArray[i] & 0xFF;
byteArray[i] = (byte) value;
}
return byteArray;
}
/**
* 打印字节数组(以十进制形式显示)
*
* @param data 字节数组
*/
public static void printByteArrayAsDecimal(byte[] data) {
System.out.println("字节数组(十进制显示):");
for (int i = 0; i < data.length; i++) {
// 将字节转换为无符号十进制数显示
int value = data[i] & 0xFF;
System.out.print(value);
if (i < data.length - 1) {
System.out.print(", ");
if ((i + 1) % 12 == 0) {
System.out.println();
}
}
}
System.out.println();
}
/**
* 将十六进制字节数组转换为十进制整数数组
*
* @param data 字节数组
* @return 十进制整数数组
*/
public static int[] convertHexToDecimal(byte[] data) {
if (data == null) {
return new int[0];
}
int[] decimalArray = new int[data.length];
for (int i = 0; i < data.length; i++) {
// 将字节转换为无符号整数(十进制)
decimalArray[i] = data[i] & 0xFF;
}
return decimalArray;
}
/**
* 打印十进制数据
*
* @param data 字节数组
*/
public static void printDecimalData(byte[] data) {
int[] decimalArray = convertHexToDecimal(data);
System.out.println("生成的十进制数据:");
for (int i = 0; i < decimalArray.length; i++) {
System.out.print(decimalArray[i]);
if (i < decimalArray.length - 1) {
System.out.print(", ");
if ((i + 1) % 12 == 0) {
System.out.println();
}
}
}
System.out.println();
}
public static void buildArr(int[] data,List<Integer> intData){
for (int datum : data) {
intData.add(datum);
}
}
/**
* 生成固定长度的点阵数据
*
* @param text 要转换的文本
* @param fixedLength 固定长度(字节)
* @return 固定长度的点阵数据
*/
public static byte[] generateFixedBitmapData(String text, int fixedLength) {
if (text == null || text.isEmpty()) {
return new byte[fixedLength];
}
// 创建80*12像素的图像
Font font = new Font("宋体", Font.PLAIN, 12);
BufferedImage image = createTextImage(text, font, 80, 12);
// 提取点阵数据
byte[] rawData = extractBitmapData(image);
// System.out.println("生成的点阵数据1:");
// System.out.println(Arrays.toString(rawData));
// 调整到固定长度
byte[] result = new byte[fixedLength];
int copyLength = Math.min(rawData.length, fixedLength);
System.arraycopy(rawData, 0, result, 0, copyLength);
// 剩余部分自动初始化为0
return result;
}
/**
* 创建文本图像
*/
private static BufferedImage createTextImage(String text, Font font, int width, int height) {
// 创建图像
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = image.createGraphics();
// 设置白色背景
g.setColor(Color.WHITE);
g.fillRect(0, 0, width, height);
// 设置黑色文本
g.setColor(Color.BLACK);
g.setFont(font);
// 关闭抗锯齿
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
g.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
// 获取字体度量
FontMetrics metrics = g.getFontMetrics();
// 计算文本绘制位置(居中)
int textWidth = metrics.stringWidth(text);
// int x = Math.max(0, (width - textWidth) / 2); // 水平居中
// 左对齐
int x = 0;
int y = (height - metrics.getHeight()) / 2 + metrics.getAscent(); // 垂直居中
// 绘制文本
g.drawString(text, x, y);
g.dispose();
return image;
}
/**
* 提取点阵数据 - 从左到右,从上到下扫描
*/
private static byte[] extractBitmapData(BufferedImage image) {
int width = image.getWidth();
int height = image.getHeight();
List<Byte> byteList = new ArrayList<>();
int currentByte = 0;
int bitCount = 0;
// 从上到下,从左到右扫描
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
// 获取像素颜色
Color color = new Color(image.getRGB(x, y));
// 判断是否为黑色(阈值处理)
int gray = (color.getRed() + color.getGreen() + color.getBlue()) / 3;
boolean isBlack = gray < 128;
// 高位优先打包
currentByte = (currentByte << 1) | (isBlack ? 1 : 0);
bitCount++;
if (bitCount == 8) {
byteList.add((byte) currentByte);
currentByte = 0;
bitCount = 0;
}
}
}
// 处理最后不满8位的部分
if (bitCount > 0) {
currentByte <<= (8 - bitCount);
byteList.add((byte) currentByte);
}
return byteListToArray(byteList);
}
private static byte[] byteListToArray(List<Byte> byteList) {
byte[] result = new byte[byteList.size()];
for (int i = 0; i < byteList.size(); i++) {
result[i] = byteList.get(i);
}
return result;
}
/**
* 字节数组转图像
*/
public static BufferedImage convertByteArrayToImage(byte[] data, int height, int width) {
if (data == null || data.length == 0) {
return new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
}
// 创建RGB图像
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
// 设置白色背景
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
image.setRGB(x, y, Color.WHITE.getRGB());
}
}
// 从左到右,从上到下设置像素点
int bitIndex = 0;
for (int i = 0; i < data.length; i++) {
int value = data[i] & 0xFF;
for (int bit = 7; bit >= 0; bit--) { // 高位在前
boolean isBlack = ((value >> bit) & 1) == 1;
if (isBlack) {
int x = bitIndex % width;
int y = bitIndex / width;
if (x < width && y < height) { // 确保不越界
image.setRGB(x, y, Color.BLACK.getRGB());
}
}
bitIndex++;
// 如果已经处理完所有像素,则退出
if (bitIndex >= width * height) {
return image;
}
}
}
return image;
}
public static String convertToCArrayString(byte[] data, String arrayName) {
StringBuilder sb = new StringBuilder();
sb.append(String.format("// %s: %d 字节\n", arrayName, data.length));
sb.append(String.format("const uint8_t %s[] = {\n ", arrayName));
for (int i = 0; i < data.length; i++) {
sb.append(String.format("0x%02X", data[i] & 0xFF));
if (i < data.length - 1) {
sb.append(", ");
// 每12个元素换行
if ((i + 1) % 12 == 0) {
sb.append("\n ");
}
}
}
sb.append("\n};");
return sb.toString();
}
/**
* 打印十六进制数据
*/
private static void printHexData(byte[] data) {
for (int i = 0; i < data.length; i++) {
int value = data[i] & 0xFF;
System.out.printf("0x%02X", value);
if (i < data.length - 1) {
System.out.print(", ");
if ((i + 1) % 12 == 0) System.out.println();
}
}
System.out.println();
}
/**
* 生成C文件
*/
public static void generateCFile(byte[] data, String filename, String arrayName) throws IOException {
try (FileWriter writer = new FileWriter(filename)) {
writer.write("/**\n");
writer.write(" * 80*12点阵显示数据\n");
writer.write(" * 数据大小: " + data.length + " 字节\n");
writer.write(" * 分辨率: 80*12 像素\n");
writer.write(" */\n\n");
writer.write("#include <stdint.h>\n\n");
writer.write(String.format("// %s: %d 字节, 80*12 像素\n", arrayName, data.length));
writer.write(String.format("const uint8_t %s[] = {\n ", arrayName));
writeByteArray(writer, data);
writer.write("\n};\n");
}
}
private static void writeByteArray(FileWriter writer, byte[] data) throws IOException {
for (int i = 0; i < data.length; i++) {
int value = data[i] & 0xFF;
writer.write(String.format("0x%02X", value));
if (i < data.length - 1) {
writer.write(", ");
if ((i + 1) % 12 == 0) writer.write("\n ");
}
}
}
}

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package com.fuyuanshen.common.core.utils;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
public class ImageToCArrayConverter {
/* public static void main(String[] args) {
try {
byte[] imageData = convertImageToCArray("E:\\workspace\\6170_强光_160_80_2.jpg", 160, 80,25600);
System.out.println("长度:"+imageData.length);
// int[] ints =convertHexToDecimal(imageData);
// System.out.println("Image data: " + Arrays.toString(ints));
// writeFile("E:\\workspace\\output.c", imageData,160,80);
// System.out.println("转换成功!");
ArrayList<Integer> intData = new ArrayList<>();
intData.add(2);
buildArr(convertHexToDecimal(imageData),intData);
intData.add(0);
intData.add(0);
intData.add(0);
intData.add(0);
Map<String, Object> map = new HashMap<>();
map.put("instruct", intData);
System.out.println(JSON.toJSONString( map));
} catch (IOException e) {
System.err.println("转换失败: " + e.getMessage());
}
}*/
public static void main(String[] args) throws IOException {
byte[] largeData = convertImageToCArray("E:\\workspace\\6170_强光_160_80_2.jpg", 160, 80,25600);
System.out.println("长度:"+largeData.length);
System.out.println("原始数据大小: " + largeData.length + " 字节");
// 将25600字节的数据分割成512字节的块
// List<byte[]> chunks = splitByteArrayIntoChunks(largeData, 512);
// printChunkInfo(chunks);
//
// // 打印前几块的数据示例
// System.out.println("\n前3块数据示例十进制显示:");
// for (int i = 0; i < Math.min(50, chunks.size()); i++) {
// System.out.println("块 " + i + ":");
// int[] ints = convertHexToDecimal(chunks.get(i));
// System.out.println(Arrays.toString(ints));
// }
// 示例:获取特定块的数据
byte[] specificChunk = getChunk(largeData, 5, 512); // 获取第6块索引5
System.out.println("第6块数据大小: " + specificChunk.length + " 字节");
// 生成预览图片
// BufferedImage image = convertByteArrayToImage(bitmapData, 12, 80);
// ImageIO.write(image, "PNG", new File("D:\\bitmap_preview.png"));
// System.out.println("成功生成预览图片: D:\\bitmap_preview.png");
//
// // 生成C文件
// generateCFile(bitmapData, "bitmap_data.c", "chinese_text");
}
/**
* 获取指定块的数据
*
* @param data 原始字节数组
* @param chunkIndex 块索引从0开始
* @param chunkSize 每块大小
* @return 指定块的字节数组,如果索引无效则返回空数组
*/
public static byte[] getChunk(byte[] data, int chunkIndex, int chunkSize) {
if (data == null || chunkSize <= 0 || chunkIndex < 0) {
return new byte[0];
}
int start = chunkIndex * chunkSize;
if (start >= data.length) {
return new byte[0]; // 索引超出范围
}
int end = Math.min(start + chunkSize, data.length);
int length = end - start;
byte[] chunk = new byte[length];
System.arraycopy(data, start, chunk, 0, length);
return chunk;
}
public static void buildArr(int[] data,List<Integer> intData){
for (int datum : data) {
intData.add(datum);
}
}
/**
* 打印分块信息
*
* @param chunks 分块后的字节数组列表
*/
public static void printChunkInfo(List<byte[]> chunks) {
System.out.println("总共分割成 " + chunks.size() + "");
for (int i = 0; i < chunks.size(); i++) {
System.out.println("" + i + ": " + chunks.get(i).length + " 字节");
}
}
/**
* 将大字节数组分割成固定大小的块
*
* @param data 原始字节数组
* @param chunkSize 每块大小(字节数)
* @return 分割后的字节数组列表
*/
public static List<byte[]> splitByteArrayIntoChunks(byte[] data, int chunkSize) {
if (data == null || data.length == 0 || chunkSize <= 0) {
return new ArrayList<>();
}
List<byte[]> chunks = new ArrayList<>();
int totalChunks = (int) Math.ceil((double) data.length / chunkSize);
for (int i = 0; i < totalChunks; i++) {
int start = i * chunkSize;
int end = Math.min(start + chunkSize, data.length);
int length = end - start;
byte[] chunk = new byte[length];
System.arraycopy(data, start, chunk, 0, length);
chunks.add(chunk);
}
return chunks;
}
public static int[] convertHexToDecimal(byte[] data) {
if (data == null) {
return new int[0];
}
int[] decimalArray = new int[data.length];
for (int i = 0; i < data.length; i++) {
// 将字节转换为无符号整数(十进制)
decimalArray[i] = data[i] & 0xFF;
}
return decimalArray;
}
public static byte[] convertImageToCArray(InputStream inputStream,
int width, int height, int fixedLength) throws IOException {
// 读取原始图片
BufferedImage originalImage = ImageIO.read(inputStream);
// 调整图片尺寸
BufferedImage resizedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
resizedImage.getGraphics().drawImage(
originalImage, 0, 0, width, height, null);
// 转换像素数据为RGB565格式高位在前
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int rgb = resizedImage.getRGB(x, y);
// 提取RGB分量
int r = (rgb >> 16) & 0xFF;
int g = (rgb >> 8) & 0xFF;
int b = rgb & 0xFF;
// 转换为RGB5655位红6位绿5位蓝
int r5 = (r >> 3) & 0x1F;
int g6 = (g >> 2) & 0x3F;
int b5 = (b >> 3) & 0x1F;
// 组合为16位值
int rgb565 = (r5 << 11) | (g6 << 5) | b5;
// 高位在前(大端序)写入字节
byteStream.write((rgb565 >> 8) & 0xFF); // 高字节
byteStream.write(rgb565 & 0xFF); // 低字节
}
}
// 调整到固定长度
byte[] rawData = byteStream.toByteArray();
byte[] result = new byte[fixedLength];
int copyLength = Math.min(rawData.length, fixedLength);
System.arraycopy(rawData, 0, result, 0, copyLength);
return result;
}
public static byte[] convertImageToCArray(String inputPath,
int width, int height, int fixedLength) throws IOException {
// 读取原始图片
BufferedImage originalImage = ImageIO.read(new File(inputPath));
// 调整图片尺寸
BufferedImage resizedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
resizedImage.getGraphics().drawImage(
originalImage, 0, 0, width, height, null);
// 转换像素数据为RGB565格式高位在前
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int rgb = resizedImage.getRGB(x, y);
// 提取RGB分量
int r = (rgb >> 16) & 0xFF;
int g = (rgb >> 8) & 0xFF;
int b = rgb & 0xFF;
// 转换为RGB5655位红6位绿5位蓝
int r5 = (r >> 3) & 0x1F;
int g6 = (g >> 2) & 0x3F;
int b5 = (b >> 3) & 0x1F;
// 组合为16位值
int rgb565 = (r5 << 11) | (g6 << 5) | b5;
// 高位在前(大端序)写入字节
byteStream.write((rgb565 >> 8) & 0xFF); // 高字节
byteStream.write(rgb565 & 0xFF); // 低字节
}
}
// 调整到固定长度
byte[] rawData = byteStream.toByteArray();
byte[] result = new byte[fixedLength];
int copyLength = Math.min(rawData.length, fixedLength);
System.arraycopy(rawData, 0, result, 0, copyLength);
return result;
}
private static void writeFile(String outputPath, byte[] imageData,int width, int height) throws IOException {
// 生成C语言数组文件
try (FileOutputStream fos = new FileOutputStream(outputPath)) {
// 写入注释行(包含尺寸信息)
String header = String.format("/* 0X10,0X10,0X00,0X%02X,0X00,0X%02X,0X01,0X1B, */\n",
width, height);
fos.write(header.getBytes());
// 写入数组声明
fos.write("const unsigned char gImage_data[] = {\n".getBytes());
// 写入数据每行16个字节
for (int i = 0; i < imageData.length; i++) {
// 写入0X前缀
fos.write(("0X" + String.format("%02X", imageData[i] & 0xFF)).getBytes());
// 添加逗号(最后一个除外)
if (i < imageData.length - 1) {
fos.write(',');
}
// 换行和缩进
if ((i + 1) % 16 == 0) {
fos.write('\n');
} else {
fos.write(' ');
}
}
// 写入数组结尾
fos.write("\n};\n".getBytes());
}
}
/**
* 将字节字符串转换为字节数组
*
* @param byteString 字节字符串,格式如 "[12, 45, 67, ...]"
* @return 字节数组
*/
public static byte[] convertStringToByteArray(String byteString) {
if (byteString == null || byteString.isEmpty()) {
return new byte[0];
}
try {
// 移除方括号
String content = byteString.trim();
if (content.startsWith("[")) {
content = content.substring(1);
}
if (content.endsWith("]")) {
content = content.substring(0, content.length() - 1);
}
// 按逗号分割
String[] byteValues = content.split(",");
byte[] result = new byte[byteValues.length];
// 转换每个值
for (int i = 0; i < byteValues.length; i++) {
String value = byteValues[i].trim();
// 处理可能的进制前缀
if (value.startsWith("0x") || value.startsWith("0X")) {
// 十六进制
result[i] = (byte) Integer.parseInt(value.substring(2), 16);
} else {
// 十进制
int intValue = Integer.parseInt(value);
result[i] = (byte) intValue;
}
}
return result;
} catch (NumberFormatException e) {
System.err.println("解析字节字符串时出错: " + e.getMessage());
return new byte[0];
}
}
}

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package com.fuyuanshen.common.core.utils;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
public class ImageToCArrayConverterUtils {
public static void main(String[] args) {
try {
convertImageToCArray("E:\\workspace\\6170_强光_160_80_2.jpg", "E:\\workspace\\output.c", 160, 80);
System.out.println("转换成功!");
} catch (IOException e) {
System.err.println("转换失败: " + e.getMessage());
}
}
public static void convertImageToCArray(String inputPath, String outputPath,
int width, int height) throws IOException {
// 读取原始图片
BufferedImage originalImage = ImageIO.read(new File(inputPath));
// 调整图片尺寸
BufferedImage resizedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
resizedImage.getGraphics().drawImage(
originalImage, 0, 0, width, height, null);
// 转换像素数据为RGB565格式高位在前
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int rgb = resizedImage.getRGB(x, y);
// 提取RGB分量
int r = (rgb >> 16) & 0xFF;
int g = (rgb >> 8) & 0xFF;
int b = rgb & 0xFF;
// 转换为RGB5655位红6位绿5位蓝
int r5 = (r >> 3) & 0x1F;
int g6 = (g >> 2) & 0x3F;
int b5 = (b >> 3) & 0x1F;
// 组合为16位值
int rgb565 = (r5 << 11) | (g6 << 5) | b5;
// 高位在前(大端序)写入字节
byteStream.write((rgb565 >> 8) & 0xFF); // 高字节
byteStream.write(rgb565 & 0xFF); // 低字节
}
}
byte[] imageData = byteStream.toByteArray();
// 生成C语言数组文件
try (FileOutputStream fos = new FileOutputStream(outputPath)) {
// 写入注释行(包含尺寸信息)
String header = String.format("/* 0X10,0X10,0X00,0X%02X,0X00,0X%02X,0X01,0X1B, */\n",
width, height);
fos.write(header.getBytes());
// 写入数组声明
fos.write("const unsigned char gImage_data[] = {\n".getBytes());
// 写入数据每行16个字节
for (int i = 0; i < imageData.length; i++) {
// 写入0X前缀
fos.write(("0X" + String.format("%02X", imageData[i] & 0xFF)).getBytes());
// 添加逗号(最后一个除外)
if (i < imageData.length - 1) {
fos.write(',');
}
// 换行和缩进
if ((i + 1) % 16 == 0) {
fos.write('\n');
} else {
fos.write(' ');
}
}
// 写入数组结尾
fos.write("\n};\n".getBytes());
}
}
}