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jiangping

2024-07-16 1be9f9fdb13f7c5cdcf29494cb72ced35cd7af10

 server/service/src/main/java/com/doumee/core/utils/GeneratePicUtil.java

@@ -5,6 +5,7 @@
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.lang3.StringUtils;
import org.checkerframework.checker.units.qual.C;
import org.springframework.http.MediaType;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
@@ -13,6 +14,7 @@
import javax.imageio.stream.ImageOutputStream;
import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.*;
import java.math.BigDecimal;
@@ -301,7 +303,6 @@
            g2.drawRect( 0, 0, 750, 700);
        }

        int th = 30;
        //名称
        if(name.length()>5){
            name = name.substring(0,5)+"...";
@@ -382,11 +383,170 @@
        }
    }

    private static BufferedImage getImgIO(String imgurl) {
    public static BufferedImage getImgIO(String imgurl) {
        try {
        return     ImageIO.read(new URL(imgurl));
        }catch (Exception e){

        }return null;
    }
    private static BufferedImage getImgIO(InputStream is) {
        try {
             return     ImageIO.read(is);
        }catch (Exception e){

        }return null;
    }

    public static InputStream generateShareImg(String imgurl, InputStream mpCode, String title) {

        BufferedImage bi =  new BufferedImage(750, 976, BufferedImage.TYPE_INT_RGB);
        //得到它的绘制环境(这张图片的笔)
        Graphics2D g2 = (Graphics2D) bi.getGraphics();
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g2.fillRect(0, 0, 750, 976);
        //背景图片
        dealTitleCenter(g2,th,title);
        if(StringUtils.isNotBlank(imgurl)){
            BufferedImage img1 =getImgIO(imgurl);
            if(img1!=null){
                int w = img1.getWidth();
                int h = img1.getHeight();
                int h1 = (int)((double)w *502/670);
                int w1 = (int)((double)h *670/502);
                if(h>h1){
                    h = h1;
                }
                if(w>w1){
                    w = w1;
                }
                img1 = img1.getSubimage(0,0,w,h);
                g2.drawImage(setRadius(img1,20,0,0), 40, 204, 670 ,502, null);

            }
        }

//        g2.setColor(Color.white);
//        g2.drawRoundRect(39,204, 672, 502, 1,1);//画一个圆角矩形

        g2.setColor(Color.black);
        g2.setFont(new Font("黑体", Font.BOLD, 40));
        g2.drawString("长按识别小程序", 40,768+th);
        g2.setColor(Color.gray);
        g2.setFont(new Font("黑体", Font.PLAIN, 32));
        g2.drawString("查看更多精彩内容", 40,820+th);


        BufferedImage img3 = getImgIO(mpCode);
        if(img3!=null){
            g2.drawImage(img3, 530, 736, 180, 180, null);
        }
        InputStream inputStream = bufferedImageToInputStream(bi);
        return inputStream;
    }

    /**
     * 图片设置圆角
     * @param srcImage
     * @return
     * @throws
     */
    public static BufferedImage setRadius(BufferedImage srcImage, int radius, int border, int padding){
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        int canvasWidth = width + padding * 2;
        int canvasHeight = height + padding * 2;

        BufferedImage image = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D gs = image.createGraphics();
        gs.setComposite(AlphaComposite.Src);
        gs.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        gs.setColor(Color.WHITE);
        gs.fill(new RoundRectangle2D.Float(0, 0, canvasWidth, canvasHeight, radius, radius));
        gs.setComposite(AlphaComposite.SrcAtop);
        gs.drawImage(setClip(srcImage, radius), padding, padding, null);
        if(border !=0){
            gs.setColor(Color.white);
            gs.setStroke(new BasicStroke(border));
            gs.drawRoundRect(padding, padding, canvasWidth - 2 * padding, canvasHeight - 2 * padding, radius, radius);
        }
        gs.dispose();
        return image;
    }


    /**
     * 图片切圆角
     * @param srcImage
     * @param radius
     * @return
     */
    public static BufferedImage setClip(BufferedImage srcImage, int radius){
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D gs = image.createGraphics();

        gs.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        gs.setClip(new RoundRectangle2D.Double(0, 0, width, height, radius, radius));
        gs.drawImage(srcImage, 0, 0, null);
        gs.dispose();
        return image;
    }

    private static void dealTitleCenter(Graphics2D g2, int th, String title) {
        String[] titles  = title.split("&");
        for (int i = 0; i < titles.length && i<2; i++) {
            String name = titles[i];
            //名称
            if(name.length()>=17){
                name = name.substring(0,17);
            }
            Font font =new Font("黑体", Font.BOLD, 38);
            FontMetrics fontMetrics = g2.getFontMetrics(font);
            int centerX = 750 / 2;
            int textWidth = fontMetrics.stringWidth(name);
            g2.setColor(Color.black);
            g2.setFont(font);
            g2.drawString(name, centerX - textWidth / 2, 60+th+i*55);
        }
    }
    public static int th = 30;
    public static InputStream generateShareWithUserImg(BufferedImage imgurl, InputStream mpCode, String header, String name) {
        int w = imgurl.getWidth();
        int h = imgurl.getHeight();
        double rate = (double)w/750d;

        //得到它的绘制环境(这张图片的笔)
        Graphics2D g2 = (Graphics2D) imgurl.getGraphics();
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        //背景图片
      
        BufferedImage img1 =getImgIO(header);
        if(img1!=null){
            g2.drawImage(setRadius(img1,img1.getWidth(),0,0), (int)(20*rate), (int)(h-68*rate), (int)(48*rate) ,(int)(48*rate), null);
        }

        Font font =new Font("黑体", Font.PLAIN, (int)(28 * rate));
        FontMetrics fontMetrics = g2.getFontMetrics(font);
        int textWidth = fontMetrics.stringWidth(name);

        g2.setColor(Color.white);
        g2.setFont(font);
        g2.drawString(name, (int) (80*rate),h-(int)((64-th)*rate));
        g2.setColor(Color.white);
        g2.setFont(new Font("黑体", Font.PLAIN, (int)(24* rate)));
        g2.drawString("扫描看更多", (int)(w -(textWidth+30*rate)),h-(int)(rate*(50-th)));

        BufferedImage img3 = getImgIO(mpCode);
        if(img3!=null){
            g2.setColor(Color.white);
            g2.fillOval((int)(w-130*rate), (int)(h-rate*150), (int)(100*rate) , (int)(100*rate));
            g2.drawImage(img3, (int)(w-130*rate), (int)(h-rate*150), (int)(100*rate) , (int)(100*rate), null);
        }
        InputStream inputStream = bufferedImageToInputStream(imgurl);
        return inputStream;
    }
}