?? e695. saving a generated graphic to a png or jpeg file.txt
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This example demonstrates how to create a generated image and save it as a PNG or JPEG file.
// Create an image to save
RenderedImage rendImage = myCreateImage();
// Write generated image to a file
try {
// Save as PNG
File file = new File("newimage.png");
ImageIO.write(rendImage, "png", file);
// Save as JPEG
file = new File("newimage.jpg");
ImageIO.write(rendImage, "jpg", file);
} catch (IOException e) {
}
// Returns a generated image.
public RenderedImage myCreateImage() {
int width = 100;
int height = 100;
// Create a buffered image in which to draw
BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
// Create a graphics contents on the buffered image
Graphics2D g2d = bufferedImage.createGraphics();
// Draw graphics
g2d.setColor(Color.white);
g2d.fillRect(0, 0, width, height);
g2d.setColor(Color.black);
g2d.fillOval(0, 0, width, height);
// Graphics context no longer needed so dispose it
g2d.dispose();
return bufferedImage;
}
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