// Parse the command-line arguments
String colorname = args[0];
float red = Float.parseFloat(args[1]);
float green = Float.parseFloat(args[2]);
float blue = Float.parseFloat(args[3]);
// Create from and to colors based on those arguments
Color from = new Color(red, green, blue, 0.0f); // transparent
Color to = new Color(red, green, blue, 1.0f); // opaque
// Loop through the sizes and directions, and create an image for each
for(int s = 0; s < sizes.length; s++) {
for(int d = 0; d < directions.length; d++) {
// This is the size of the image
int size = sizes[s];
// Create a GradientPaint for this direction and size
Paint paint = new GradientPaint(directions[d][0]*size,
directions[d][1]*size,
from,
directions[d][2]*size,
directions[d][3]*size,
to);
// Start with a blank image that supports transparency
BufferedImage image =
new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
// Now use fill the image with our color gradient
Graphics2D g = image.createGraphics();
g.setPaint(paint);
g.fillRect(0, 0, size, size);
// This is the name of the file we'll write the image to
File file = new File("fade-to-" +
colorname + "-" +
sizeNames[s] + "-" +
directionNames[d] + ".png");
// Save the image in PNG format using the javax.imageio API
javax.imageio.ImageIO.write(image, "png", file);
// Show the user our progress by printing the filename
System.out.println(file);
}
}
