| 1378 | } |
| 1379 | |
| 1380 | RectI |
| 1381 | ViewerGL::getImageRectangleDisplayedRoundedToTileSize(int texIndex, |
| 1382 | const RectD & rod, |
| 1383 | const double par, |
| 1384 | unsigned int mipMapLevel, |
| 1385 | std::vector<RectI>* tiles, |
| 1386 | std::vector<RectI>* tilesRounded, |
| 1387 | int *viewerTileSize, |
| 1388 | RectI* roiNotRounded) |
| 1389 | { |
| 1390 | bool clipToProject = isClippingImageToFormat(); |
| 1391 | RectD clippedRod; |
| 1392 | |
| 1393 | if (clipToProject) { |
| 1394 | rod.intersect(_imp->displayTextures[texIndex].format, &clippedRod); |
| 1395 | } else { |
| 1396 | clippedRod = rod; |
| 1397 | } |
| 1398 | |
| 1399 | RectI bounds; |
| 1400 | clippedRod.toPixelEnclosing(mipMapLevel, par, &bounds); |
| 1401 | RectI roi = getImageRectangleDisplayed(bounds, par, mipMapLevel); |
| 1402 | |
| 1403 | ////Texrect is the coordinates of the 4 corners of the texture in the bounds with the current zoom |
| 1404 | ////factor taken into account. |
| 1405 | RectI texRect; |
| 1406 | int tileSize = ipow( 2, appPTR->getCurrentSettings()->getViewerTilesPowerOf2() ); |
| 1407 | texRect.x1 = std::floor( ( (double)roi.x1 ) / tileSize ) * (double)tileSize; |
| 1408 | texRect.y1 = std::floor( ( (double)roi.y1 ) / tileSize ) * (double)tileSize; |
| 1409 | texRect.x2 = std::ceil( ( (double)roi.x2 ) / tileSize ) * (double)tileSize; |
| 1410 | texRect.y2 = std::ceil( ( (double)roi.y2 ) / tileSize ) * (double)tileSize; |
| 1411 | |
| 1412 | // Make sure the bounds of the area to render in the texture lies in the bounds |
| 1413 | if (roiNotRounded) { |
| 1414 | *roiNotRounded = roi; |
| 1415 | } |
| 1416 | if (tilesRounded) { |
| 1417 | for (int y = texRect.y1; y < texRect.y2; y += tileSize) { |
| 1418 | int y2 = std::min(y + tileSize, texRect.y2); |
| 1419 | for (int x = texRect.x1; x < texRect.x2; x += tileSize) { |
| 1420 | tilesRounded->resize(tilesRounded->size() + 1); |
| 1421 | RectI& tile = tilesRounded->back(); |
| 1422 | tile.x1 = x; |
| 1423 | tile.x2 = std::min(x + tileSize, texRect.x2); |
| 1424 | tile.y1 = y; |
| 1425 | tile.y2 = y2; |
| 1426 | |
| 1427 | if (tiles) { |
| 1428 | RectI tileRectRounded; |
| 1429 | tile.intersect(bounds, &tileRectRounded); |
| 1430 | tiles->push_back(tileRectRounded); |
| 1431 | } |
| 1432 | assert( texRect.contains(tile) ); |
| 1433 | } |
| 1434 | } |
| 1435 | } |
| 1436 | |
| 1437 | if (viewerTileSize) { |
no test coverage detected