//合成图片
public class CounopUtil {
private Font font = new Font("楷体", Font.PLAIN, 14);// 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, "jpg", 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.BLUE);// 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.BLACK);
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）
*
* @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("reyo.cn", w - 85, h - 5);
g.dispose();
} catch (Exception e) {
System.out.println(e.getMessage());
}
return img;
}
/**
*
* @param filePath 文件储存路径
* @param fileName 优惠券名称
* @param days 活动天数
* @param address 门店地址
* @param counopDesc 左侧活动内容
* @param counopRule 右侧规则
* @param dataTime 领取时间
* @return
*/
public static String generateCounop(String filePath,String fileName,String desc) {
String floorPath = "";//需要合成图片路径
String path = createStringMark(filePath, desc, "C://image//counop"+fileName+"4.jpg");
return "”;
}
/**
*
* @param filePath 文件路径
* @param markContent
* @param outPath
* @param flag
* @return
*/
public static String createStringMark(String filePath, String markContent, String outPath) {
ImageIcon imgIcon = new ImageIcon(filePath);
Image theImg = imgIcon.getImage();
int width = theImg.getWidth(null) == -1 ? 200 : theImg.getWidth(null);
int height = theImg.getHeight(null) == -1 ? 200 : theImg.getHeight(null);
BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = bimage.createGraphics();
g.setPaint(Color.WHITE);
g.setBackground(Color.WHITE);// 设置背景色
g.setColor(new Color(251, 212, 176));
g.clearRect(0, 0, width, height);
g.drawImage(theImg, 0, 0, null);
g.setFont(new Font(null, Font.BOLD, 16)); // 字体、字型、字号
g.drawString(markContent, 40, 60); // 在图片上写内容
g.dispose();
try {
FileOutputStream out = new FileOutputStream(outPath); // 先用一个特定的输出文件名
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bimage);
param.setQuality(100, true);
encoder.encode(bimage, param);
out.close();
} catch (Exception e) {
return e.getMessage();
}
return outPath;
}
public static void main(String[] args) {
// generateCounop("D://",FormatTimeUtil.getTimeMillis()+"","一次只有允许使用一张，不叠加使用。只能在指定的门店使用（有效期内使用）");
}
