Dl1quant.h
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上传用户:cjw5120
上传日期:2022-05-11
资源大小:5032k
文件大小:1k
源码类别:
网络截获/分析
开发平台:
Visual C++
- //
- // This has been modified from Dennis Lee's original version
- //
- /*
- * File: dl1quant.h
- *
- * Header file for dl1quant.c (DL1 Quantization)
- *
- * Copyright (C) 1993-1997 Dennis Lee
- */
- #ifndef DL1QUANT_H
- #define DL1QUANT_H
- #include "basic.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- typedef struct {
- ulong r, g, b;
- ulong pixel_count;
- ulong pixels_in_cube;
- uchar children;
- uchar palette_index;
- } CUBE;
- typedef struct {
- uchar level;
- ushort index;
- } FCUBE;
- typedef struct {
- uchar palette_index,
- red, green, blue;
- ulong distance;
- ulong squares[255+255+1];
- } CLOSEST_INFO;
- GLOBAL int
- dl1quant(uchar *inbuf,
- uchar *outbuf,
- int width,
- int height,
- int quant_to,
- int dither,
- uchar userpal[3][256]);
- LOCAL void copy_pal(uchar userpal[3][256]);
- LOCAL void dlq_init(void);
- LOCAL int dlq_start(void);
- LOCAL void dlq_finish(void);
- LOCAL int build_table(uchar *image, ulong pixels);
- LOCAL void fixheap(ulong id);
- LOCAL void reduce_table(int num_colors);
- LOCAL void set_palette(int index, int level);
- LOCAL void closest_color(int index, int level);
- LOCAL int quantize_image(uchar *in, uchar *out, int width, int height,
- int dither);
- LOCAL int bestcolor(int r, int g, int b);
- #endif
- #ifdef __cplusplus
- }
- #endif