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Fix bug 78049

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This commit is contained in:
Svetlana Kulikova
2025-11-06 16:18:42 +03:00
parent 673678e80a
commit 4452d7bf3d
1 changed files with 11 additions and 2 deletions
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13
PdfFile/SrcReader/Adaptors.cpp
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@ -203,15 +203,24 @@ bool GlobalParamsAdaptor::InRedact(double dX, double dY)
double x4 = m_arrRedactBox[i + 4];
double y4 = m_arrRedactBox[i + 5];
if (x1 == x2 && x2 == x3 && x3 == x4 && y1 == y2 && y2 == y3 && y3 == y4)
{
if (dX == x1 && dY == y1)
return true;
continue;
}
// Проверяем знаки векторных произведений для всех сторон
double cross1 = crossProduct(x1, y1, x2, y2, dX, dY);
double cross2 = crossProduct(x2, y2, x3, y3, dX, dY);
double cross3 = crossProduct(x3, y3, x4, y4, dX, dY);
double cross4 = crossProduct(x4, y4, x1, y1, dX, dY);
bool allPositive = (cross1 >= 0 && cross2 >= 0 && cross3 >= 0 && cross4 >= 0);
bool allNegative = (cross1 <= 0 && cross2 <= 0 && cross3 <= 0 && cross4 <= 0);
// Точка внутри, если все векторные произведения имеют одинаковый знак
if ((cross1 >= 0 && cross2 >= 0 && cross3 >= 0 && cross4 >= 0) ||
(cross1 <= 0 && cross2 <= 0 && cross3 <= 0 && cross4 <= 0))
if ((allPositive || allNegative) && !(cross1 == 0 && cross2 == 0 && cross3 == 0 && cross4 == 0))
return true;
}
return false;