package com.pbids.sanqin.util; import javax.imageio.ImageIO; import java.awt.*; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.net.URL; public class PicUtil { private Font font = new Font("宋体", Font.PLAIN, 12); // 添加字体的属性设置 private Graphics2D g = null; private int fontsize = 0; private int x = 0; private int y = 0; /** * 导入本地图片到缓冲区 */ public BufferedImage loadImageLocal(String imgName) { try { return ImageIO.read(new File(imgName)); } catch (IOException e) { System.out.println(e.getMessage()); } return null; } /** * 导入网络图片到缓冲区 */ public BufferedImage loadImageUrl(String imgName) { try { URL url = new URL(imgName); return ImageIO.read(url); } catch (IOException e) { System.out.println(e.getMessage()); } return null; } /** * 生成新图片到本地 */ public void writeImageLocal(String newImage, BufferedImage img) { if (newImage != null && img != null) { try { File outputfile = new File(newImage); ImageIO.write(img, "png", outputfile); } catch (IOException e) { System.out.println(e.getMessage()); } } } /** * 设定文字的字体等 */ public void setFont(String fontStyle, int fontSize) { this.fontsize = fontSize; this.font = new Font(fontStyle, Font.PLAIN, fontSize); } /** * 修改图片,返回修改后的图片缓冲区(只输出一行文本) */ public BufferedImage modifyImage(BufferedImage img, Object content, int x, int y) { try { int w = img.getWidth(); int h = img.getHeight(); g = img.createGraphics(); g.setBackground(Color.WHITE); g.setColor(Color.orange);//设置字体颜色 if (this.font != null) g.setFont(this.font); // 验证输出位置的纵坐标和横坐标 if (x >= h || y >= w) { this.x = h - this.fontsize + 2; this.y = w; } else { this.x = x; this.y = y; } if (content != null) { g.drawString(content.toString(), this.x, this.y); } g.dispose(); } catch (Exception e) { System.out.println(e.getMessage()); } return img; } /** * 修改图片,返回修改后的图片缓冲区(输出多个文本段) xory:true表示将内容在一行中输出;false表示将内容多行输出 */ public BufferedImage modifyImage(BufferedImage img, Object[] contentArr, int x, int y, boolean xory) { try { int w = img.getWidth(); int h = img.getHeight(); g = img.createGraphics(); g.setBackground(Color.WHITE); g.setColor(Color.RED); if (this.font != null) g.setFont(this.font); // 验证输出位置的纵坐标和横坐标 if (x >= h || y >= w) { this.x = h - this.fontsize + 2; this.y = w; } else { this.x = x; this.y = y; } if (contentArr != null) { int arrlen = contentArr.length; if (xory) { for (int i = 0; i < arrlen; i++) { g.drawString(contentArr[i].toString(), this.x, this.y); this.x += contentArr[i].toString().length() * this.fontsize / 2 + 5;// 重新计算文本输出位置 } } else { for (int i = 0; i < arrlen; i++) { g.drawString(contentArr[i].toString(), this.x, this.y); this.y += this.fontsize + 2;// 重新计算文本输出位置 } } } g.dispose(); } catch (Exception e) { System.out.println(e.getMessage()); } return img; } /** * 修改图片,返回修改后的图片缓冲区(只输出一行文本) * * 时间:2007-10-8 * * @param img * @return */ public BufferedImage modifyImageYe(BufferedImage img) { try { int w = img.getWidth(); int h = img.getHeight(); g = img.createGraphics(); g.setBackground(Color.WHITE); g.setColor(Color.blue);//设置字体颜色 if (this.font != null) g.setFont(this.font); g.drawString("www.hi.baidu.com?xia_mingjian", w - 85, h - 5); g.dispose(); } catch (Exception e) { System.out.println(e.getMessage()); } return img; } /** * 合成图片 * @param addImage * @param originalImage * @return */ public BufferedImage modifyImagetogeter(BufferedImage addImage, BufferedImage originalImage) { try { /* int w = d.getWidth(); int h = d.getHeight();*/ g = originalImage.createGraphics(); g.drawImage(addImage, 593, 1875, 335, 335, null); g.dispose(); } catch (Exception e) { System.out.println(e.getMessage()); } return originalImage; } /** * 图片合成 * @param * @param */ /* public static final void overlapImage(String bigPath, String smallPath) { try { BufferedImage big = ImageIO.read(new File(bigPath)); BufferedImage small = ImageIO.read(new File(smallPath)); Graphics2D g = big.createGraphics(); int x = (big.getWidth() - small.getWidth()) / 2; int y = (big.getHeight() - small.getHeight()) / 2; g.drawImage(small, x, y, small.getWidth(), small.getHeight(), null); g.dispose(); ImageIO.write(big, "png", new File("D/aa/jack.png")); System.out.println("成功"); } catch (Exception e) { e.printStackTrace(); } }*/ public static void main(String[] args) { PicUtil tt = new PicUtil(); BufferedImage addImage = tt.loadImageLocal("D:/new.png"); BufferedImage originalImage = tt.loadImageLocal("D:/aa/bg.png"); //往图片上写文件 // overlapImage("D:/aa/bg.png", "D:/new.png");
//将多张图片合在一起 tt.writeImageLocal("D:/aa/cc.png", tt.modifyImagetogeter(addImage, originalImage));
System.out.println("success"); } }