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< > BotCompany Repo | #1027269 // allSubRectsOfSizeIterator_topLeftCorners

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (2508L/16K).

static ItIt<Pt> allSubRectsOfSizeIterator_topLeftCorners(int w, int h, Rect full) {
  if (full == null) ret emptyItIt();
  int fullW = full.w, fullH = full.h;
  if (w > fullW || h > fullH) ret emptyItIt();
  int freeplayX = fullW-w+1, freeplayY = fullH-h+1, freeplay = freeplayX*freeplayY;
  ret mapI(iota_zero(freeplay), i ->
    pt(full.x + (i % freeplayX), full.y + (i / freeplayX)));
}

Author comment

Began life as a copy of #1027216

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Snippet ID: #1027269
Snippet name: allSubRectsOfSizeIterator_topLeftCorners
Eternal ID of this version: #1027269/1
Text MD5: 9e0b253eb8b81c3108eb89e6e4b1b1fd
Transpilation MD5: ff0e915d075305478358d1fbc884be0b
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2020-02-28 15:09:56
Source code size: 396 bytes / 8 lines
Pitched / IR pitched: No / No
Views / Downloads: 118 / 170
Referenced in: [show references]