ASCII点阵 16x8 与24x16 Java

1

字库下载链接：https://download.csdn.net/download/llapton/12910449

.ASCII与汉字寻址公式不同，注意区分，寻址公式如下图

2

.16x8 ASCII点阵显示，注意这里使用的字库为"ASC16"，注意寻址公式为 offset = ascii * 16

package tools; import org.springframework.core.io.ClassPathResource; import java.io.IOException; import java.io.InputStream; import java.util.Arrays; public class AsciiPoint { public static void main(String[] args) throws IOException { String str = "B"; char[] key = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01}; int size_step = 8; //16x8的ASCII点阵 byte[] cbuf = new byte[16]; byte[] bytes = str.getBytes("ASCII"); System.out.println(Arrays.toString(bytes)); //byte转int int ascii = bytes[0] & 0xff; //计算偏移量 int offset = ascii * 16; //读取点阵字库文件，需要按需修改为你电脑上实际字库的绝对地址 ClassPathResource classPathResource = new ClassPathResource("ASC16"); InputStream inputStream = classPathResource.getInputStream(); //跳过offset个字节，读取汉字占用的16个字节 inputStream.skip(offset); inputStream.read(cbuf); //按行解析 for (int i = 0; i < 16; i++) { for (int j = 0; j < 8; j++) { int index = i * 8 + j; int flag = cbuf[index / size_step] & key[index % size_step]; System.out.print(flag > 0 ? "●" : "○"); } System.out.println(); } } }

16x8效果：

**

3

24x16 ASCII点阵显示，注意这里使用的字库为"ASC24"，注意寻址公式为 offset = （ascii-32） * 16

package tools; import org.springframework.core.io.ClassPathResource; import java.io.IOException; import java.io.InputStream; import java.util.Arrays; public class AsciiPoint24 { public static void main(String[] args) throws IOException { String str = "t"; char[] key = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01}; int size_step = 8; //24x16的ASCII点阵 byte[] cbuf = new byte[48]; byte[] bytes = str.getBytes("ASCII"); System.out.println(Arrays.toString(bytes)); //byte转int int ascii = bytes[0] & 0xff; //计算偏移量 int offset = (ascii-32) * 48; //读取点阵字库文件，需要按需修改为你电脑上实际字库的绝对地址 ClassPathResource classPathResource = new ClassPathResource("ASC24"); InputStream inputStream = classPathResource.getInputStream(); //跳过offset个字节，读取汉字占用的16个字节 inputStream.skip(offset); inputStream.read(cbuf); //按行解析 for (int i = 0; i < 24; i++) { for (int j = 0; j < 16; j++) { int index = i * 16 + j; int flag = cbuf[index / size_step] & key[index % size_step]; System.out.print(flag > 0 ? "●" : "○"); } System.out.println(); } } }

24x16 效果如下：

字库下载链接：https://download.csdn.net/download/llapton/12910449