Java Utililty Methods BufferedImage to Transparent

List of utility methods to do BufferedImage to Transparent

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Description

The list of methods to do BufferedImage to Transparent are organized into topic(s).

Method

BufferedImagemakeTransparent(BufferedImage image, int x, int y)
make Transparent 
ColorModel cm = image.getColorModel();
if (!(cm instanceof IndexColorModel))
    return image; 
IndexColorModel icm = (IndexColorModel) cm;
WritableRaster raster = image.getRaster();
int pixel = raster.getSample(x, y, 0); 
int size = icm.getMapSize();
byte[] reds = new byte[size];
...
voidmakeTransparent(BufferedImage img, Color trColor)
make Transparent 
int w = img.getWidth();
int h = img.getHeight();
if (img.getType() != BufferedImage.TYPE_INT_ARGB) {
    return;
for (int x = 0; x < w; x++) {
    for (int y = 0; y < h; y++) {
        if (img.getRaster().getSample(x, y, 0) == trColor.getRed()
...
BufferedImagemakeTransparentEdges(BufferedImage src)
make Transparent Edges 
return makeTransparentEdges(src, 0, null);