如何将 ImageView 转换为 InputStream
How to convert a ImageView to InputStream
我有一个包含图像的 ImageView
,我需要的是制作 ImageView
的 getImage() 并将其转换为 InputStream
。这是我的代码:
try {
File fileImage = new File(ivImage.getImage());
InputStream isImage = (InputStream) new FileInputStream(fileImage);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
有没有办法获取 ImageView
图像并将其转换为 InputStream
?
谢谢
如果从图像中获取字节并创建 ByteArrayInputStream 会怎么样?
ImageView view = new ImageView();
BufferedImage bImage = SwingFXUtils.fromFXImage(view.getImage(), null);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
ImageIO.write(bImage, "png", outputStream);
byte[] res = outputStream.toByteArray();
InputStream inputStream = new ByteArrayInputStream(res);
} catch (IOException e) {
e.printStackTrace();
}
我有一个包含图像的 ImageView
,我需要的是制作 ImageView
的 getImage() 并将其转换为 InputStream
。这是我的代码:
try {
File fileImage = new File(ivImage.getImage());
InputStream isImage = (InputStream) new FileInputStream(fileImage);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
有没有办法获取 ImageView
图像并将其转换为 InputStream
?
谢谢
如果从图像中获取字节并创建 ByteArrayInputStream 会怎么样?
ImageView view = new ImageView();
BufferedImage bImage = SwingFXUtils.fromFXImage(view.getImage(), null);
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
ImageIO.write(bImage, "png", outputStream);
byte[] res = outputStream.toByteArray();
InputStream inputStream = new ByteArrayInputStream(res);
} catch (IOException e) {
e.printStackTrace();
}