1 #include "evas_common_private.h"
2 #include "evas_convert_gry_8.h"
3
4 #ifdef USE_DITHER_44
5 extern const DATA8 _evas_dither_44[4][4];
6 #endif
7 #ifdef USE_DITHER_128128
8 extern const DATA8 _evas_dither_128128[128][128];
9 #endif
10
evas_common_convert_rgba_to_8bpp_gry_256_dith(DATA32 * src,DATA8 * dst,int src_jump,int dst_jump,int w,int h,int dith_x EINA_UNUSED,int dith_y EINA_UNUSED,DATA8 * pal EINA_UNUSED)11 void evas_common_convert_rgba_to_8bpp_gry_256_dith (DATA32 *src, DATA8 *dst, int src_jump, int dst_jump, int w, int h, int dith_x EINA_UNUSED, int dith_y EINA_UNUSED, DATA8 *pal EINA_UNUSED)
12 {
13 DATA32 *src_ptr;
14 DATA8 *dst_ptr;
15 int x, y;
16 DATA8 r, g, b;
17 DATA32 gry8;
18
19 dst_ptr = (DATA8 *)dst;
20
21 CONVERT_LOOP_START_ROT_0();
22
23 r = (R_VAL(src_ptr));
24 g = (G_VAL(src_ptr));
25 b = (B_VAL(src_ptr));
26
27 // Y = 0.299 * R + 0.587 * G + 0.114 * B;
28 gry8 = ((r * 19596) + (g * 38470) + (b * 7472)) >> 16;
29
30 *dst_ptr = gry8;
31
32 CONVERT_LOOP_END_ROT_0();
33 }
34
evas_common_convert_rgba_to_8bpp_gry_64_dith(DATA32 * src EINA_UNUSED,DATA8 * dst EINA_UNUSED,int src_jump EINA_UNUSED,int dst_jump EINA_UNUSED,int w EINA_UNUSED,int h EINA_UNUSED,int dith_x EINA_UNUSED,int dith_y EINA_UNUSED,DATA8 * pal EINA_UNUSED)35 void evas_common_convert_rgba_to_8bpp_gry_64_dith (DATA32 *src EINA_UNUSED, DATA8 *dst EINA_UNUSED, int src_jump EINA_UNUSED, int dst_jump EINA_UNUSED, int w EINA_UNUSED, int h EINA_UNUSED, int dith_x EINA_UNUSED, int dith_y EINA_UNUSED, DATA8 *pal EINA_UNUSED){}
36
evas_common_convert_rgba_to_8bpp_gry_16_dith(DATA32 * src,DATA8 * dst,int src_jump,int dst_jump,int w,int h,int dith_x,int dith_y,DATA8 * pal EINA_UNUSED)37 void evas_common_convert_rgba_to_8bpp_gry_16_dith (DATA32 *src, DATA8 *dst, int src_jump, int dst_jump, int w, int h, int dith_x, int dith_y, DATA8 *pal EINA_UNUSED)
38 {
39 DATA32 *src_ptr;
40 DATA8 *dst_ptr;
41 int x, y;
42 DATA8 r, g, b;
43 DATA32 gry8;
44 DATA8 dith;
45
46 dst_ptr = (DATA8 *)dst;
47
48 CONVERT_LOOP_START_ROT_0();
49
50 dith = DM_TABLE[(x + dith_x) & DM_MSK][(y + dith_y) & DM_MSK] >> DM_SHF(4);
51
52 r = (R_VAL(src_ptr));
53 g = (G_VAL(src_ptr));
54 b = (B_VAL(src_ptr));
55
56 // Y = 0.299 * R + 0.587 * G + 0.114 * B;
57 gry8 = ((r * 19596) + (g * 38470) + (b * 7472)) >> 16;
58
59 if (((gry8 - gry8 * 255 / 4) >= dith) && (gry8 < 0x07)) gry8++;
60
61 *dst_ptr = gry8;
62
63 CONVERT_LOOP_END_ROT_0();
64 }
65
evas_common_convert_rgba_to_8bpp_gry_4_dith(DATA32 * src EINA_UNUSED,DATA8 * dst EINA_UNUSED,int src_jump EINA_UNUSED,int dst_jump EINA_UNUSED,int w EINA_UNUSED,int h EINA_UNUSED,int dith_x EINA_UNUSED,int dith_y EINA_UNUSED,DATA8 * pal EINA_UNUSED)66 void evas_common_convert_rgba_to_8bpp_gry_4_dith (DATA32 *src EINA_UNUSED, DATA8 *dst EINA_UNUSED, int src_jump EINA_UNUSED, int dst_jump EINA_UNUSED, int w EINA_UNUSED, int h EINA_UNUSED, int dith_x EINA_UNUSED, int dith_y EINA_UNUSED, DATA8 *pal EINA_UNUSED){}
67
evas_common_convert_rgba_to_8bpp_gry_1_dith(DATA32 * src EINA_UNUSED,DATA8 * dst EINA_UNUSED,int src_jump EINA_UNUSED,int dst_jump EINA_UNUSED,int w EINA_UNUSED,int h EINA_UNUSED,int dith_x EINA_UNUSED,int dith_y EINA_UNUSED,DATA8 * pal EINA_UNUSED)68 void evas_common_convert_rgba_to_8bpp_gry_1_dith (DATA32 *src EINA_UNUSED, DATA8 *dst EINA_UNUSED, int src_jump EINA_UNUSED, int dst_jump EINA_UNUSED, int w EINA_UNUSED, int h EINA_UNUSED, int dith_x EINA_UNUSED, int dith_y EINA_UNUSED, DATA8 *pal EINA_UNUSED){}
69