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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <LibGfx/Forward.h>
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namespace Gfx {
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class AffineTransform {
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public:
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AffineTransform()
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: m_values { 1, 0, 0, 1, 0, 0 }
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{
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}
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AffineTransform(float a, float b, float c, float d, float e, float f)
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: m_values { a, b, c, d, e, f }
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{
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}
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bool is_identity() const;
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void map(float unmapped_x, float unmapped_y, float& mapped_x, float& mapped_y) const;
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template<typename T>
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Point<T> map(const Point<T>&) const;
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template<typename T>
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Size<T> map(const Size<T>&) const;
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template<typename T>
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Rect<T> map(const Rect<T>&) const;
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float a() const { return m_values[0]; }
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float b() const { return m_values[1]; }
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float c() const { return m_values[2]; }
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float d() const { return m_values[3]; }
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float e() const { return m_values[4]; }
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float f() const { return m_values[5]; }
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float x_scale() const;
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float y_scale() const;
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AffineTransform& scale(float sx, float sy);
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AffineTransform& translate(float tx, float ty);
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AffineTransform& rotate_radians(float);
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AffineTransform& multiply(const AffineTransform&);
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private:
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float m_values[6] { 0 };
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};
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}
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