public File compressed(File file, RCompress compress, String name) throws IOException {
if (null == file || null == compress) {
return null;
}
Image image = ImageIO.read(file);
if (null == image) {
return null;
}
if (-1 == image.getWidth(null)) {
return null;
}
if (compress.isProportion()) {
double rate1 = ((double) image.getWidth(null)) / (double) compress.getWidth() + 0.1;
double rate2 = ((double) image.getHeight(null)) / (double) compress.getHeight() + 0.1;
double rate = rate1 > rate2 ? rate1 : rate2;
compress.setWidth((int) (((double) image.getWidth(null)) / rate));
compress.setHeight((int) (((double) image.getHeight(null)) / rate));
}
return this.compressed(image, compress, name);
}
