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
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/** * 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); } } |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
原文链接：https://blog.csdn.net/qq_38114563/article/details/81408417