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e4cb9b2985
This is kinda primitive but it avoids double-draw when slowly dragging stuff.
32 lines
759 B
C++
32 lines
759 B
C++
#include "Rect.h"
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#include <AK/StdLibExtras.h>
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#include "kstdio.h"
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void Rect::intersect(const Rect& other)
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{
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int l = max(left(), other.left());
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int r = min(right(), other.right());
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int t = max(top(), other.top());
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int b = min(bottom(), other.bottom());
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if (l >= r || t >= b) {
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m_location = { };
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m_size = { };
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return;
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}
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m_location.setX(l);
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m_location.setY(t);
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m_size.setWidth((r - l) + 1);
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m_size.setHeight((b - t) + 1);
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}
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Rect Rect::united(const Rect& other) const
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{
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Rect rect;
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rect.set_left(min(left(), other.left()));
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rect.set_top(min(top(), other.top()));
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rect.set_right(max(right(), other.right()));
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rect.set_bottom(max(bottom(), other.bottom()));
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return rect;
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}
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