Example6.2.An SNG Example.

#SNG: This is a synthetic SNG test file

# Our first test is a paletted (type 3) image.
IHDR: {
        width: 16;
        height: 19;
        bitdepth: 8;
        using color: palette; 
        with interlace;
}

# Sample bit depth chunk
sBIT: {
  red: 8;
  green: 8;
  blue: 8;
}

# An example palette: three colors, one of which 
# we will render transparent 
PLTE: {
   (0,     0, 255)
   (255,   0,   0)
   "dark slate gray",
}

# Suggested palette
sPLT {
   name: "A random suggested palette";
   depth: 8;
   (0,     0, 255), 255, 7;
   (255,   0,   0), 255, 5;
   ( 70,  70,  70), 255, 3;
}

# The viewer will actually use this...
IMAGE: {
   pixels base64
2222222222222222
2222222222222222
0000001111100000
0000011111110000
0000111001111000
0001110000111100
0001110000111100
0000110001111000
0000000011110000
0000000111100000
0000001111000000
0000001111000000
0000000000000000
0000000110000000
0000001111000000
0000001111000000
0000000110000000
2222222222222222
2222222222222222
}

tEXt: {                                # Ordinary text chunk
  keyword: "Title";
  text: "Sample SNG script";
}

# Test file ends here