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Merge pull request #876 from KLayout/issue-875 

Fixed #875 (drawing glitch)
This commit is contained in:
Matthias Köfferlein 2021-07-21 23:36:58 +02:00 committed by GitHub
parent b7f4c40400 084e1a746e
commit dff2c2d352
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 10 deletions
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24
src/laybasic/laybasic/layRedrawThreadWorker.cc
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@ -1909,17 +1909,21 @@ RedrawThreadWorker::draw_layer (int from_level, int to_level, db::cell_index_typ
if ((dbbox.width () < 2.5 && dbbox.height () < 1.5) ||
(dbbox.width () < 1.5 && dbbox.height () < 2.5)) {
bool anything = true;
if (level == 0 && cell_bbox.inside (vp)) {
// Hint: on levels below 0 we know that there is anything. Otherwise we would not enter this procedure
// Hint: don't use any_text_shapes on partially visible cells because that will degrade performance
anything = any_shapes (ci, m_to_level - level);
}
if (bbox.overlaps (vp)) {
if (anything) {
// any shapes here: paint bbox for simplification
mp_renderer->draw (dbbox, 0, frame, vertex, 0);
}
bool anything = true;
if (level == 0) {
// Hint: on levels below 0 we know that there is anything. Otherwise we would not enter this procedure
// Hint: don't use any_text_shapes on partially visible cells because that will degrade performance
anything = any_shapes (ci, m_to_level - level);
}
if (anything) {
// any shapes here: paint bbox for simplification
mp_renderer->draw (dbbox, 0, frame, vertex, 0);
}
}
} else {