1 | static RGBImage toGrayScale(RGBImage img, int bits) {
|
2 | int steps = 1 << bits; |
3 | int w = img.getWidth(), h = img.getHeight(); |
4 | RGBImage bw = new RGBImage(w, h); |
5 | for (int y = 0; y < h; y++) |
6 | for (int x = 0; x < w; x++) {
|
7 | float b = img.getPixel(x, y).getBrightness(); |
8 | int bx = (int) (b*steps); |
9 | double b2 = Math.min(1f, Math.max(0f, bx/(float) steps)); |
10 | bw.setPixel(x, y, new RGB(b2)); |
11 | } |
12 | return bw; |
13 | } |
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| Snippet ID: | #1001445 |
| Snippet name: | toGrayScale |
| Eternal ID of this version: | #1001445/1 |
| Text MD5: | e348ea765c17e5525734b94c038c9500 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2015-10-16 17:55:35 |
| Source code size: | 444 bytes / 13 lines |
| Pitched / IR pitched: | No / Yes |
| Views / Downloads: | 636 / 874 |
| Referenced in: | [show references] |