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fix: arrow tool glitches (#2395)

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This commit is contained in:
UnkwUsr
2022-02-13 03:05:44 +03:00
committed by GitHub
parent b4188f7ec8
commit db9461650c
1 changed files with 8 additions and 5 deletions
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13
src/tools/arrow/arrowtool.cpp
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@@ -14,7 +14,7 @@ QPainterPath getArrowHead(QPoint p1, QPoint p2, const int thickness)
// Create the vector for the position of the base of the arrowhead
QLineF temp(QPoint(0, 0), p2 - p1);
int val = ArrowHeight + thickness * 4;
if (base.length() < val) {
if (base.length() < (val - thickness * 2)) {
val = static_cast<int>(base.length() + thickness * 2);
}
temp.setLength(base.length() + thickness * 2 - val);
@@ -45,10 +45,13 @@ QLine getShorterLine(QPoint p1, QPoint p2, const int thickness)
{
QLineF l(p1, p2);
int val = ArrowHeight + thickness * 4;
if (l.length() < val) {
val = static_cast<int>(l.length() + thickness * 2);
}
l.setLength(l.length() + thickness * 2 - val);
if (l.length() < (val - thickness * 2)) {
// here should be 0, but then we lose "angle", so this is hack, but
// looks not very bad
val = thickness / 4;
l.setLength(val);
} else
l.setLength(l.length() + thickness * 2 - val);
return l.toLine();
}