[共通] Image::inBounds #1229

Siv3D · Jun 29, 2024 · 9ee8f8b · 9ee8f8b
1 parent 78a09e2
commit 9ee8f8b
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diff --git a/Siv3D/include/Siv3D/Image.hpp b/Siv3D/include/Siv3D/Image.hpp
@@ -275,6 +275,12 @@ namespace s3d
 		[[nodiscard]]
 		const Color& operator [](Point pos) const;
 
+		[[nodiscard]]
+		bool inBounds(int64 y, int64 x) const noexcept;
+
+		[[nodiscard]]
+		bool inBounds(Point pos) const noexcept;
+
 		/// @brief 画像データの先頭のポインタを返します。
 		/// @return 画像データの先頭のポインタ
 		[[nodiscard]]

diff --git a/Siv3D/include/Siv3D/detail/Image.ipp b/Siv3D/include/Siv3D/detail/Image.ipp
@@ -211,6 +211,18 @@ namespace s3d
 		return *(m_data.data() + (static_cast<size_t>(m_width) * pos.y + pos.x));
 	}
 
+	inline bool Image::inBounds(const int64 y, const int64 x) const noexcept
+	{
+		return (0 <= y) && (y < static_cast<int64>(m_height))
+			&& (0 <= x) && (x < static_cast<int64>(m_width));
+	}
+
+	inline bool Image::inBounds(const Point pos) const noexcept
+	{
+		return (0 <= pos.y) && (pos.y < static_cast<int64>(m_height))
+			&& (0 <= pos.x) && (pos.x < static_cast<int64>(m_width));
+	}
+
 	inline Color* Image::data()
 	{
 		return m_data.data();