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1 | static int bwContrastQuadtree_minOfArea(BWContrastQuadTree qt, int originalSize, Rect rect) {
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2 | ret bwContrastQuadtree_minOfArea(qt, Rect(0, 0, originalSize, originalSize), rect); |
3 | } |
4 | |
5 | static int bwContrastQuadtree_minOfArea(BWContrastQuadTree qt, Rect block, Rect rect) {
|
6 | Rect r2 = intersectRects(rect, block); |
7 | if (r2.empty()) ret 255; // simple case 1: no intersection |
8 | print(rect + " => " + r2); |
9 | |
10 | // simple case 2: whole block |
11 | if (eq(r2, block)) ret qt.min(); |
12 | |
13 | // simple case 3: block is one color |
14 | if (!(qt instanceof BWContrastQuadTree.Composite)) |
15 | ret qt.min(); |
16 | |
17 | // complex case: process subregions |
18 | BWContrastQuadTree.Composite qt2 = cast qt; |
19 | int w = block.w, r = w/2; |
20 | ret intMin( |
21 | bwContrastQuadtree_minOfArea(qt2.a, Rect(block.x, block.y, r, r), r2), |
22 | bwContrastQuadtree_minOfArea(qt2.b, Rect(block.x+r, block.y, r, r), r2), |
23 | bwContrastQuadtree_minOfArea(qt2.c, Rect(block.x, block.y+r, r, r), r2), |
24 | bwContrastQuadtree_minOfArea(qt2.d, Rect(block.x+r, block.y+r, r, r), r2)); |
25 | } |
Began life as a copy of #1019596
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| Snippet ID: | #1026934 |
| Snippet name: | bwContrastQuadtree_minOfArea [OK] |
| Eternal ID of this version: | #1026934/21 |
| Text MD5: | a2d3c4ec97a6e9bb1d2b7b72302d8487 |
| Transpilation MD5: | 55bb4ff411dc18b55467f12655c9b689 |
| Author: | stefan |
| Category: | javax / ocr |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2020-02-03 13:18:31 |
| Source code size: | 1050 bytes / 25 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 251 / 398 |
| Version history: | 20 change(s) |
| Referenced in: | [show references] |