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Java实现图片拼接

2024-07-14 08:41:55
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本文实例为大家分享了Java实现图片拼接的具体代码,供大家参考,具体内容如下

/** * 拼接图片(注:图片需长宽一致) * @param files  img1 ,img2 * @param type  1:横向拼接 2:纵向拼接 * @param targetFile 合成新的图片地址 */public static void mergeImage(String[] files, int type, String targetFile) { int len = files.length; if (len < 1) {  throw new RuntimeException("图片数量小于1"); } File[] src = new File[len]; BufferedImage[] images = new BufferedImage[len]; int[][] ImageArrays = new int[len][]; for (int i = 0; i < len; i++) {  try {   src[i] = new File(files[i]);   images[i] = ImageIO.read(src[i]);  } catch (Exception e) {   throw new RuntimeException(e);  }  int width = images[i].getWidth();  int height = images[i].getHeight();  ImageArrays[i] = new int[width * height];  ImageArrays[i] = images[i].getRGB(0, 0, width, height, ImageArrays[i], 0, width); } int newHeight = 0; int newWidth = 0; for (int i = 0; i < images.length; i++) {  // 横向  if (type == 1) {   newHeight = newHeight > images[i].getHeight() ? newHeight : images[i].getHeight();   newWidth += images[i].getWidth();  } else if (type == 2) {// 纵向   newWidth = newWidth > images[i].getWidth() ? newWidth : images[i].getWidth();   newHeight += images[i].getHeight();  } } if (type == 1 && newWidth < 1) {  return; } if (type == 2 && newHeight < 1) {  return; } // 生成新图片 try {  BufferedImage ImageNew = new BufferedImage(newWidth, newHeight, BufferedImage.TYPE_INT_RGB);  int height_i = 0;  int width_i = 0;  for (int i = 0; i < images.length; i++) {   if (type == 1) {    ImageNew.setRGB(width_i, 0, images[i].getWidth(), newHeight, ImageArrays[i], 0,      images[i].getWidth());    width_i += images[i].getWidth();   } else if (type == 2) {    ImageNew.setRGB(0, height_i, newWidth, images[i].getHeight(), ImageArrays[i], 0, newWidth);    height_i += images[i].getHeight();   }  }  //输出想要的图片  ImageIO.write(ImageNew, targetFile.split("//.")[1], new File(targetFile)); } catch (Exception e) {  throw new RuntimeException(e); }}


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