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LibGfx: Add ability to get a bounding box from a Path

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This commit is contained in:
Matthew Olsson 2020-10-05 16:22:24 -07:00 • committed by Andreas Kling
parent 4155de2572
commit 236eeb6fb1
2 changed files with 43 additions and 4 deletions
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19
Libraries/LibGfx/Path.h
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@ -33,6 +33,7 @@
#include <AK/Vector.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Point.h>
#include <LibGfx/Rect.h>
namespace Gfx {
@ -174,13 +175,22 @@ public:
const NonnullRefPtrVector<Segment>& segments() const { return m_segments; }
const auto& split_lines()
{
if (m_split_lines.has_value())
return m_split_lines.value();
segmentize_path();
ASSERT(m_split_lines.has_value());
if (!m_split_lines.has_value()) {
segmentize_path();
ASSERT(m_split_lines.has_value());
}
return m_split_lines.value();
}
const Gfx::FloatRect& bounding_box()
{
if (!m_bounding_box.has_value()) {
segmentize_path();
ASSERT(m_bounding_box.has_value());
}
return m_bounding_box.value();
}
String to_string() const;
private:
@ -199,6 +209,7 @@ private:
NonnullRefPtrVector<Segment> m_segments {};
Optional<Vector<SplitLineSegment>> m_split_lines {};
Optional<Gfx::FloatRect> m_bounding_box;
};
inline const LogStream& operator<<(const LogStream& stream, const Path& path)