public PImage getImpl(int x, int y, int w, int h) {
PImage output = new PImage(w, h);
output.parent = parent;
// oops, the last parameter is the scan size of the *target* buffer
// ((BufferedImage) image).getRGB(x, y, w, h, output.pixels, 0, w);
WritableRaster raster = ((BufferedImage) (primarySurface ? offscreen : image)).getRaster();
raster.getDataElements(x, y, w, h, output.pixels);
return output;
}
protected void setImpl(int dx, int dy, int sx, int sy, int sw, int sh, PImage src) {
WritableRaster raster = ((BufferedImage) (primarySurface ? offscreen : image)).getRaster();
if ((sx == 0) && (sy == 0) && (sw == src.width) && (sh == src.height)) {
raster.setDataElements(dx, dy, src.width, src.height, src.pixels);
} else {
// TODO Optimize, incredibly inefficient to reallocate this much memory
PImage temp = src.get(sx, sy, sw, sh);
raster.setDataElements(dx, dy, temp.width, temp.height, temp.pixels);
}
}
/** Handle renderer-specific image drawing. */
protected void imageImpl(
PImage who, float x1, float y1, float x2, float y2, int u1, int v1, int u2, int v2) {
// Image not ready yet, or an error
if (who.width <= 0 || who.height <= 0) return;
if (who.getCache(this) == null) {
// System.out.println("making new image cache");
who.setCache(this, new ImageCache(who));
who.updatePixels(); // mark the whole thing for update
who.modified = true;
}
ImageCache cash = (ImageCache) who.getCache(this);
// if image previously was tinted, or the color changed
// or the image was tinted, and tint is now disabled
if ((tint && !cash.tinted)
|| (tint && (cash.tintedColor != tintColor))
|| (!tint && cash.tinted)) {
// for tint change, mark all pixels as needing update
who.updatePixels();
}
if (who.modified) {
cash.update(tint, tintColor);
who.modified = false;
}
g2.drawImage(
((ImageCache) who.getCache(this)).image,
(int) x1,
(int) y1,
(int) x2,
(int) y2,
u1,
v1,
u2,
v2,
null);
}
// Takes a PImage and compresses it into a JPEG byte stream
// Adapted from Dan Shiffman's UDP Sender code
public byte[] compressImage(PImage img) {
// We need a buffered image to do the JPG encoding
BufferedImage bimg = new BufferedImage(img.width, img.height, BufferedImage.TYPE_INT_RGB);
img.loadPixels();
bimg.setRGB(0, 0, img.width, img.height, img.pixels, 0, img.width);
// Need these output streams to get image as bytes for UDP communication
ByteArrayOutputStream baStream = new ByteArrayOutputStream();
BufferedOutputStream bos = new BufferedOutputStream(baStream);
// Turn the BufferedImage into a JPG and put it in the BufferedOutputStream
// Requires try/catch
try {
ImageIO.write(bimg, "jpg", bos);
} catch (IOException e) {
e.printStackTrace();
}
// Get the byte array, which we will send out via UDP!
return baStream.toByteArray();
}
