Sha256: 62dff838ca1f7aac253de80451a0200d9477320a01e6e6f1d3e0743831703a66
Contents?: true
Size: 1.55 KB
Versions: 6
Compression:
Stored size: 1.55 KB
Contents
package org.sunflow.image.readers;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import org.sunflow.image.Bitmap;
import org.sunflow.image.BitmapReader;
import org.sunflow.image.Color;
import org.sunflow.image.formats.BitmapRGBA8;
public class PNGBitmapReader implements BitmapReader {
public Bitmap load(String filename, boolean isLinear) throws IOException, BitmapFormatException {
// regular image, load using Java api
BufferedImage bi = ImageIO.read(new File(filename));
int width = bi.getWidth();
int height = bi.getHeight();
byte[] pixels = new byte[4 * width * height];
for (int y = 0, index = 0; y < height; y++) {
for (int x = 0; x < width; x++, index += 4) {
int argb = bi.getRGB(x, height - 1 - y);
pixels[index + 0] = (byte) (argb >> 16);
pixels[index + 1] = (byte) (argb >> 8);
pixels[index + 2] = (byte) argb;
pixels[index + 3] = (byte) (argb >> 24);
}
}
if (!isLinear) {
for (int index = 0; index < pixels.length; index += 4) {
pixels[index + 0] = Color.NATIVE_SPACE.rgbToLinear(pixels[index + 0]);
pixels[index + 1] = Color.NATIVE_SPACE.rgbToLinear(pixels[index + 1]);
pixels[index + 2] = Color.NATIVE_SPACE.rgbToLinear(pixels[index + 2]);
}
}
return new BitmapRGBA8(width, height, pixels);
}
}
Version data entries
6 entries across 6 versions & 1 rubygems