最近一个项目中关于PNG结构的一些东西:
引用内容
// -- PNG Data structures
static final byte png_header[] =
{
(byte) 137, 'P', 'N', 'G',
13, 10, 26, 10,
0, 0, 0, 13, // chunk-size
'I', 'H', 'D', 'R',
0, 0, 0, 0, // width
0, 0, 0, 0, // height
8, // bit depth
3, // colour type (palettised)
0, // compression type
0, // filter method
0 // interlace method
};
static final byte iend_chunk[] =
{
0, 0, 0, 0, // chunk-size
'I', 'E', 'N', 'D',
(byte) 0xae, 0x42, 0x60, (byte) 0x82 // CRC
};
static final byte trns_chunk[] =
{
0, 0, 0, 1, // chunk-size
't', 'R', 'N', 'S',
0, // transparent palette index
0x40, (byte) 0xe6, (byte) 0xd8, 0x66 // CRC
};
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