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Ensure composite replicates correct tiles with centre gravity #2626

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Lovell Fuller
2021-03-20 13:24:04 +00:00
parent cb592ce588
commit a38126c82f
3 changed files with 29 additions and 0 deletions
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8
src/pipeline.cc
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@@ -562,9 +562,17 @@ class PipelineWorker : public Napi::AsyncWorker {
// Use gravity in overlay
if (compositeImage.width() <= baton->width) {
across = static_cast<int>(ceil(static_cast<double>(image.width()) / compositeImage.width()));
// Ensure odd number of tiles across when gravity is centre, north or south
if (composite->gravity == 0 || composite->gravity == 1 || composite->gravity == 3) {
across |= 1;
}
}
if (compositeImage.height() <= baton->height) {
down = static_cast<int>(ceil(static_cast<double>(image.height()) / compositeImage.height()));
// Ensure odd number of tiles down when gravity is centre, east or west
if (composite->gravity == 0 || composite->gravity == 2 || composite->gravity == 4) {
down |= 1;
}
}
if (across != 0 || down != 0) {
int left;