static BWImage getAlphaChannel(BufferedImage src) { int w = src.getWidth(); int h = src.getHeight(); BWImage alpha = new BWImage(w, h); for y to h: for x to w: { //int a = (srcBuffer[i] >> 24) & 0xff; //int a = srcBuffer[i] & 0xff; int a = (src.getRGB(x, y) >> 24) &0xff; alpha.setByte(x, y, a); //print(intToHex= (srcBuffer[i])); } ret alpha; }
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Snippet ID: | #1006977 |
Snippet name: | getAlphaChannel |
Eternal ID of this version: | #1006977/10 |
Text MD5: | 58776b05c7b358f7527ffed416df64b5 |
Author: | stefan |
Category: | javax / imaging |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2017-02-21 19:19:19 |
Source code size: | 391 bytes / 14 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 518 / 514 |
Version history: | 9 change(s) |
Referenced in: | #1006654 - Standard functions list 2 (LIVE, continuation of #761) #1035299 - alphaChannelFromPixels |