问题描述
对java图形编程不熟悉,这个问题不知道如何解决,问题如下我打算生成一张图片,该图片包括一张原先的图片和字符串,结果生成的图片包含原先图片,但是看不到drawString方法中字符串内容生成图片方法代码如下:public void generateImage() throws Exception{int width = 220;int height = 50;BufferedImage image = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);Graphics g = image.getGraphics();g.setColor(new Color(255,255,255));g.fillRect(0, 0, width, height);Font font = new Font("宋体",Font.BOLD,10);g.setFont(font);BufferedImage image2 = ImageIO.read(new File("data/icon/pdf.png"));g.drawImage(image2, 0, 0, 44, 42, null);g.drawString("Hello", 50, 5);g.dispose();File f = new File("data/icon/"+fileName+".png");FileOutputStream fos = new FileOutputStream(f);ImageIO.write(image,"PNG",fos);fos.close();}
解决方案
g.drawImage(image2, 0, 0, 80, 80, null); g.setColor(Color.red); g.drawString("Hello", 50, 5);
解决方案二:
在g.drawString("Hello", 50, 5); 之前g.setColor(Color.red);因为你之前 g.setColor(new Color(255,255,255)); 白色,使文字看不见