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#define JPEG_INTERNALS |
#define MAX_Q_COMPS 4 /* max components I can handle */ |
#define ODITHER_CELLS (ODITHER_SIZE*ODITHER_SIZE) /* # cells in matrix */ |
#define ODITHER_MASK (ODITHER_SIZE-1) /* mask for wrapping around counters */ |
#define ODITHER_SIZE 16 /* dimension of dither matrix */ |
typedef int LOCFSERROR |
typedef my_cquantizer* my_cquantize_ptr |
typedef int ODITHER_MATRIX[ODITHER_SIZE][ODITHER_SIZE] |
typedef int(* ODITHER_MATRIX_PTR)[ODITHER_SIZE] |
alloc_fs_workspace | ( | j_decompress_ptr | cinfo | ) |
color_quantize | ( | j_decompress_ptr | cinfo, |
JSAMPARRAY | input_buf, | ||
JSAMPARRAY | output_buf, | ||
int | num_rows | ||
) |
color_quantize3 | ( | j_decompress_ptr | cinfo, |
JSAMPARRAY | input_buf, | ||
JSAMPARRAY | output_buf, | ||
int | num_rows | ||
) |
create_colorindex | ( | j_decompress_ptr | cinfo | ) |
create_colormap | ( | j_decompress_ptr | cinfo | ) |
create_odither_tables | ( | j_decompress_ptr | cinfo | ) |
finish_pass_1_quant | ( | j_decompress_ptr | cinfo | ) |
jinit_1pass_quantizer | ( | j_decompress_ptr | cinfo | ) |
largest_input_value | ( | j_decompress_ptr | cinfo, |
int | ci, | ||
int | j, | ||
int | maxj | ||
) |
make_odither_array | ( | j_decompress_ptr | cinfo, |
int | ncolors | ||
) |
new_color_map_1_quant | ( | j_decompress_ptr | cinfo | ) |
output_value | ( | j_decompress_ptr | cinfo, |
int | ci, | ||
int | j, | ||
int | maxj | ||
) |
quantize3_ord_dither | ( | j_decompress_ptr | cinfo, |
JSAMPARRAY | input_buf, | ||
JSAMPARRAY | output_buf, | ||
int | num_rows | ||
) |
quantize_fs_dither | ( | j_decompress_ptr | cinfo, |
JSAMPARRAY | input_buf, | ||
JSAMPARRAY | output_buf, | ||
int | num_rows | ||
) |
quantize_ord_dither | ( | j_decompress_ptr | cinfo, |
JSAMPARRAY | input_buf, | ||
JSAMPARRAY | output_buf, | ||
int | num_rows | ||
) |
select_ncolors | ( | j_decompress_ptr | cinfo, |
int | Ncolors[] | ||
) |
start_pass_1_quant | ( | j_decompress_ptr | cinfo, |
boolean | is_pre_scan | ||
) |
const UINT8 base_dither_matrix[ODITHER_SIZE][ODITHER_SIZE] [static] |
{ { 0,192, 48,240, 12,204, 60,252, 3,195, 51,243, 15,207, 63,255 }, { 128, 64,176,112,140, 76,188,124,131, 67,179,115,143, 79,191,127 }, { 32,224, 16,208, 44,236, 28,220, 35,227, 19,211, 47,239, 31,223 }, { 160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95 }, { 8,200, 56,248, 4,196, 52,244, 11,203, 59,251, 7,199, 55,247 }, { 136, 72,184,120,132, 68,180,116,139, 75,187,123,135, 71,183,119 }, { 40,232, 24,216, 36,228, 20,212, 43,235, 27,219, 39,231, 23,215 }, { 168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87 }, { 2,194, 50,242, 14,206, 62,254, 1,193, 49,241, 13,205, 61,253 }, { 130, 66,178,114,142, 78,190,126,129, 65,177,113,141, 77,189,125 }, { 34,226, 18,210, 46,238, 30,222, 33,225, 17,209, 45,237, 29,221 }, { 162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93 }, { 10,202, 58,250, 6,198, 54,246, 9,201, 57,249, 5,197, 53,245 }, { 138, 74,186,122,134, 70,182,118,137, 73,185,121,133, 69,181,117 }, { 42,234, 26,218, 38,230, 22,214, 41,233, 25,217, 37,229, 21,213 }, { 170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85 } }