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1 | sclass SinglePixelPosterizer is IPosterizer {
|
2 | int brightnessLevels; |
3 | double factor1, factor2; |
4 | settable double drift; // between -1 and 1, normally |
5 | settable double antiDrift; // between -1 and 1 |
6 | |
7 | *(int *brightnessLevels) {
|
8 | factor1 = doubleRatio(brightnessLevels, 256); |
9 | factor2 = doubleRatio(255, brightnessLevels-1); |
10 | } |
11 | |
12 | // 0..255 to 0..255 |
13 | public int get(int brightness) {
|
14 | var inner = brightness*factor1+drift; |
15 | var posterized = ifloor(inner)+antiDrift; |
16 | ret clampUByteInt(iround(posterized*factor2)); |
17 | } |
18 | |
19 | [stdEq] |
20 | } |
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| Snippet ID: | #1034808 |
| Snippet name: | SinglePixelPosterizer |
| Eternal ID of this version: | #1034808/11 |
| Text MD5: | 2a05c9756ff4e81936c405cea005886a |
| Transpilation MD5: | 83e427ef459d19f8c860df89d2937a63 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2022-08-21 12:45:58 |
| Source code size: | 575 bytes / 20 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 185 / 326 |
| Version history: | 10 change(s) |
| Referenced in: | [show references] |