#include "jinclude.h"#include "jpeglib.h"Go to the source code of this file.
| #define MAX_Q_COMPS 4 |
| #define ODITHER_CELLS (ODITHER_SIZE*ODITHER_SIZE) |
| #define ODITHER_MASK (ODITHER_SIZE-1) |
Definition at line 74 of file jquant1.c.
Referenced by quantize3_ord_dither(), and quantize_ord_dither().
| #define ODITHER_SIZE 16 |
| 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 | ) |
Definition at line 722 of file jquant1.c.
References arraysize, my_cquantizer::fserrors, i, JPOOL_IMAGE, size_t, and SIZEOF.
Referenced by jinit_1pass_quantizer(), and start_pass_1_quant().
| color_quantize | ( | j_decompress_ptr | cinfo, | |
| JSAMPARRAY | input_buf, | |||
| JSAMPARRAY | output_buf, | |||
| int | num_rows | |||
| ) |
Definition at line 459 of file jquant1.c.
References my_cquantizer::colorindex, for(), GETJSAMPLE, nc, row, and width.
Referenced by start_pass_1_quant().
| color_quantize3 | ( | j_decompress_ptr | cinfo, | |
| JSAMPARRAY | input_buf, | |||
| JSAMPARRAY | output_buf, | |||
| int | num_rows | |||
| ) |
Definition at line 487 of file jquant1.c.
References my_cquantizer::colorindex, for(), GETJSAMPLE, row, and width.
Referenced by start_pass_1_quant().
| create_colorindex | ( | j_decompress_ptr | cinfo | ) |
Definition at line 333 of file jquant1.c.
References my_cquantizer::colorindex, FALSE, i, if(), my_cquantizer::is_padded, j, JDITHER_ORDERED, JPOOL_IMAGE, k, largest_input_value(), MAXJSAMPLE, my_cquantizer::Ncolors, my_cquantizer::sv_actual, TRUE, and val.
Referenced by jinit_1pass_quantizer(), and start_pass_1_quant().
| create_colormap | ( | j_decompress_ptr | cinfo | ) |
Definition at line 273 of file jquant1.c.
References for(), i, j, JPOOL_IMAGE, k, my_cquantizer::Ncolors, output_value(), ptr, select_ncolors(), my_cquantizer::sv_actual, my_cquantizer::sv_colormap, TRACEMS1, TRACEMS4, and val.
Referenced by default_colormap(), gdk_colormap_new(), and jinit_1pass_quantizer().
| create_odither_tables | ( | j_decompress_ptr | cinfo | ) |
Definition at line 432 of file jquant1.c.
References for(), i, j, make_odither_array(), my_cquantizer::Ncolors, NULL, and my_cquantizer::odither.
Referenced by start_pass_1_quant().
| finish_pass_1_quant | ( | j_decompress_ptr | cinfo | ) |
| jinit_1pass_quantizer | ( | j_decompress_ptr | cinfo | ) |
Definition at line 821 of file jquant1.c.
References alloc_fs_workspace(), create_colorindex(), create_colormap(), ERREXIT1, finish_pass_1_quant(), my_cquantizer::fserrors, JDITHER_FS, JERR_QUANT_COMPONENTS, JPOOL_IMAGE, MAX_Q_COMPS, MAXJSAMPLE, new_color_map_1_quant(), NULL, my_cquantizer::odither, my_cquantizer::pub, SIZEOF, and start_pass_1_quant().
Referenced by master_selection().
| largest_input_value | ( | j_decompress_ptr | cinfo, | |
| int | ci, | |||
| int | j, | |||
| int | maxj | |||
| ) |
| make_odither_array | ( | j_decompress_ptr | cinfo, | |
| int | ncolors | |||
| ) |
Definition at line 396 of file jquant1.c.
References base_dither_matrix, int, j, JPOOL_IMAGE, k, MAXJSAMPLE, num, ODITHER_CELLS, ODITHER_SIZE, and SIZEOF.
Referenced by create_odither_tables().
| new_color_map_1_quant | ( | j_decompress_ptr | cinfo | ) |
Definition at line 810 of file jquant1.c.
References ERREXIT.
Referenced by jinit_1pass_quantizer().
| 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 | |||
| ) |
Definition at line 565 of file jquant1.c.
References my_cquantizer::colorindex, for(), GETJSAMPLE, my_cquantizer::odither, ODITHER_MASK, row, my_cquantizer::row_index, and width.
Referenced by start_pass_1_quant().
| quantize_fs_dither | ( | j_decompress_ptr | cinfo, | |
| JSAMPARRAY | input_buf, | |||
| JSAMPARRAY | output_buf, | |||
| int | num_rows | |||
| ) |
Definition at line 610 of file jquant1.c.
References my_cquantizer::colorindex, dir(), FALSE, FAR, for(), my_cquantizer::fserrors, GETJSAMPLE, jzero_far(), nc, my_cquantizer::on_odd_row, RIGHT_SHIFT, row, SHIFT_TEMPS, size_t, SIZEOF, my_cquantizer::sv_colormap, TRUE, and width.
Referenced by start_pass_1_quant().
| quantize_ord_dither | ( | j_decompress_ptr | cinfo, | |
| JSAMPARRAY | input_buf, | |||
| JSAMPARRAY | output_buf, | |||
| int | num_rows | |||
| ) |
Definition at line 515 of file jquant1.c.
References my_cquantizer::colorindex, FAR, for(), GETJSAMPLE, jzero_far(), nc, my_cquantizer::odither, ODITHER_MASK, row, my_cquantizer::row_index, size_t, SIZEOF, and width.
Referenced by start_pass_1_quant().
| select_ncolors | ( | j_decompress_ptr | cinfo, | |
| int | Ncolors[] | |||
| ) |
| start_pass_1_quant | ( | j_decompress_ptr | cinfo, | |
| boolean | is_pre_scan | |||
| ) |
Definition at line 741 of file jquant1.c.
References alloc_fs_workspace(), arraysize, color_quantize(), color_quantize3(), create_colorindex(), create_odither_tables(), ERREXIT, FALSE, FAR, my_cquantizer::fserrors, i, my_cquantizer::is_padded, JDITHER_FS, JDITHER_NONE, JDITHER_ORDERED, jzero_far(), NULL, my_cquantizer::odither, my_cquantizer::on_odd_row, my_cquantizer::pub, quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), my_cquantizer::row_index, size_t, SIZEOF, my_cquantizer::sv_actual, and my_cquantizer::sv_colormap.
Referenced by jinit_1pass_quantizer().
const UINT8 base_dither_matrix[ODITHER_SIZE][ODITHER_SIZE] [static] |
Initial value:
{
{ 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 }
}
Definition at line 79 of file jquant1.c.
Referenced by make_odither_array().
1.5.1