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static BufferedImage scaledBufferedImageFromIntegralImage_direct(int w, IntegralImage img) { ret scaledBufferedImageFromIntegralImage_direct(img, w); } static BufferedImage scaledBufferedImageFromIntegralImage_direct(IntegralImage img, int w) { ret scaledBufferedImageFromIntegralImage_direct(img, w, rowsForColsWithAspectRatio(w, img.w, img.h)); } static BufferedImage scaledBufferedImageFromIntegralImage_direct(IntegralImage img, int w, int h) { int w1 = img.w, h1 = img.h; BufferedImage out = newBufferedImage(w, h); for y to h: for x to w: { int x1 = x*w1/w, x2 = max(x1+1, (x+1)*w1/w); int y1 = y*h1/h, y2 = max(y1+1, (y+1)*h1/h); int area = (x2-x1)*(y2-y1); int r = integralImage_sumRect(img, x1, y1, x2, y2, 0)/area; int g = integralImage_sumRect(img, x1, y1, x2, y2, 1)/area; int b = integralImage_sumRect(img, x1, y1, x2, y2, 2)/area; out.setRGB(x, y, (r << 16) | (g << 8) | b); } ret out; }
Began life as a copy of #1025282
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Snippet ID: | #1025285 |
Snippet name: | scaledBufferedImageFromIntegralImage_direct (slower than the non-direct version) |
Eternal ID of this version: | #1025285/4 |
Text MD5: | 594c19b275fd30f5865ce77a833885b4 |
Transpilation MD5: | 374338a7d66ddd115a7d391b58778e31 |
Author: | stefan |
Category: | javax / imaging |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2019-09-18 15:05:04 |
Source code size: | 987 bytes / 23 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 241 / 330 |
Version history: | 3 change(s) |
Referenced in: | [show references] |