我在Android平台上有一个项目,该过程应该强制我将图像转换为位平面,但我不知道代码是怎么回事。
图像来自图库并从相机中拍摄。
请帮忙。
答案 0 :(得分:1)
试试这个:
String encoded = Base64.encodeFromFile("data/inputImage.png");
//Convert String data to binary image file
Base64.decodeToFile(encoded, "data/outputImage.png");
//Convert binary image file to byte array to base64 encoded string
FileInputStream mFileInputStream = new FileInputStream("data/inputImage.png");
ByteArrayOutputStream bos = new ByteArrayOutputStream();
byte[] b = new byte[1024];
int bytesRead = 0;
while ((bytesRead = mFileInputStream.read(b)) != -1) {
bos.write(b, 0, bytesRead);
}
byte[] ba = bos.toByteArray();
encoded = Base64.encodeBytes(ba);
//Convert String data to binary image file
Base64.decodeToFile(encoded, "data/outputImage.png");
//Convert binary image file to base64 encoded String data file
Base64.encodeFileToFile("data/inputImage.png","data/encodedImage.txt");
//Convert base64 encoded String data file to binary image file
Base64.decodeFileToFile("data/encodedImage.txt","data/outputImage.png");
来源http://www.mysamplecode.com/2011/07/convert-image-to-string-and-string-to.html