… | |
… | |
3360 | r &= 0xff; |
3360 | r &= 0xff; |
3361 | g &= 0xff; |
3361 | g &= 0xff; |
3362 | b &= 0xff; |
3362 | b &= 0xff; |
3363 | |
3363 | |
3364 | unsigned int color = (r << 16) | (g << 8) | b; |
3364 | unsigned int color = (r << 16) | (g << 8) | b; |
3365 | unsigned int idx_r = r / (0xff / (Red_levels - 1)); |
3365 | unsigned int idx_r = r * (Red_levels - 1) / 0xff; |
3366 | unsigned int idx_g = g / (0xff / (Green_levels - 1)); |
3366 | unsigned int idx_g = g * (Green_levels - 1) / 0xff; |
3367 | unsigned int idx_b = b / (0xff / (Blue_levels - 1)); |
3367 | unsigned int idx_b = b * (Blue_levels - 1) / 0xff; |
3368 | unsigned int idx = colorcube_index (idx_r, idx_g, idx_b); |
3368 | unsigned int idx = colorcube_index (idx_r, idx_g, idx_b); |
3369 | |
|
|
3370 | if (rgb24_color[idx] == color) |
|
|
3371 | return idx + minTermCOLOR24; |
|
|
3372 | |
3369 | |
3373 | /* we allow one of the 6 directly neighbouring colours */ |
3370 | /* we allow one of the 6 directly neighbouring colours */ |
3374 | /* to replace the current color, if they not used recently */ |
3371 | /* to replace the current color, if they not used recently */ |
3375 | static const signed char dxyz[][3] = { |
3372 | static const signed char dxyz[][3] = { |
3376 | 0, 0, 0, |
3373 | 0, 0, 0, |
|
|
3374 | 0, 0, +1, |
3377 | 0, 0, -1, |
3375 | 0, 0, -1, |
3378 | 0, 0, +1, |
3376 | 0, +1, 0, |
3379 | 0, -1, 0, |
3377 | 0, -1, 0, |
3380 | 0, +1, 0, |
3378 | +1, 0, 0, |
3381 | -1, 0, 0, |
3379 | -1, 0, 0, |
3382 | +1, 0, 0, |
|
|
3383 | }; |
3380 | }; |
3384 | |
3381 | |
3385 | for (int n = 0; n < ecb_array_length (dxyz); ++n) |
3382 | for (int n = 0; n < ecb_array_length (dxyz); ++n) |
3386 | { |
3383 | { |
3387 | int r = idx_r + dxyz[n][0]; |
3384 | int r = idx_r + dxyz[n][0]; |
3388 | int g = idx_r + dxyz[n][1]; |
3385 | int g = idx_r + dxyz[n][1]; |
3389 | int b = idx_r + dxyz[n][2]; |
3386 | int b = idx_r + dxyz[n][2]; |
3390 | |
3387 | |
3391 | if (!IN_RANGE_EXC (r, 0, Red_levels)) |
3388 | if (!IN_RANGE_EXC (r, 0, Red_levels )) continue; |
3392 | continue; |
|
|
3393 | |
|
|
3394 | if (!IN_RANGE_EXC (g, 0, Green_levels)) |
3389 | if (!IN_RANGE_EXC (g, 0, Green_levels)) continue; |
3395 | continue; |
|
|
3396 | |
|
|
3397 | if (!IN_RANGE_EXC (b, 0, Blue_levels)) |
3390 | if (!IN_RANGE_EXC (b, 0, Blue_levels )) continue; |
3398 | continue; |
|
|
3399 | |
3391 | |
3400 | unsigned int index = colorcube_index (r, g, b); |
3392 | unsigned int index = colorcube_index (r, g, b); |
|
|
3393 | |
|
|
3394 | if (rgb24_color[index] == color) |
|
|
3395 | { |
|
|
3396 | rgb24_seqno[idx] = ++rgb24_sequence; |
|
|
3397 | return index + minTermCOLOR24; |
|
|
3398 | } |
3401 | |
3399 | |
3402 | // minor issue: could update index 0 few more times |
3400 | // minor issue: could update index 0 few more times |
3403 | if ((rgb24_seqno[index] | rgb24_color[index]) == 0) |
3401 | if ((rgb24_seqno[index] | rgb24_color[index]) == 0) |
3404 | { |
3402 | { |
3405 | idx = index; |
3403 | idx = index; |
3406 | goto update; |
3404 | goto update; |
3407 | } |
3405 | } |
3408 | |
|
|
3409 | if (rgb24_color[index] == color) |
|
|
3410 | return index + minTermCOLOR24; |
|
|
3411 | |
3406 | |
3412 | // like (rgb24_seqno[idx] > rgb24_seqno[index]) |
3407 | // like (rgb24_seqno[idx] > rgb24_seqno[index]) |
3413 | // but also handles wrap around values good enough |
3408 | // but also handles wrap around values good enough |
3414 | if ((uint16_t)(rgb24_seqno[idx] - rgb24_seqno[index]) < 0x7fff) |
3409 | if ((uint16_t)(rgb24_seqno[idx] - rgb24_seqno[index]) < 0x7fff) |
3415 | idx = index; |
3410 | idx = index; |
… | |
… | |
3419 | rgb24_color[idx] = color; |
3414 | rgb24_color[idx] = color; |
3420 | rgb24_seqno[idx] = ++rgb24_sequence; |
3415 | rgb24_seqno[idx] = ++rgb24_sequence; |
3421 | |
3416 | |
3422 | idx += minTermCOLOR24; |
3417 | idx += minTermCOLOR24; |
3423 | pix_colors_focused [idx].free (this); |
3418 | pix_colors_focused [idx].free (this); |
3424 | pix_colors_focused [idx].set (this, rgba (r * 0x0101, |
3419 | pix_colors_focused [idx].set (this, rgba (r * 0x0101, g * 0x0101, b * 0x0101)); |
3425 | g * 0x0101, |
|
|
3426 | b * 0x0101)); |
|
|
3427 | update_fade_color (idx, false); |
3420 | update_fade_color (idx, false); |
3428 | |
3421 | |
3429 | return idx; |
3422 | return idx; |
3430 | } |
3423 | } |
3431 | |
3424 | |