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38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
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#pragma once
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#include "Vector2.h"
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namespace msdfgen {
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/// A transformation from shape coordinates to pixel coordinates.
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class Projection {
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public:
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Projection();
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Projection(const Vector2 &scale, const Vector2 &translate);
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/// Converts the shape coordinate to pixel coordinate.
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Point2 project(const Point2 &coord) const;
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/// Converts the pixel coordinate to shape coordinate.
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Point2 unproject(const Point2 &coord) const;
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/// Converts the vector to pixel coordinate space.
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Vector2 projectVector(const Vector2 &vector) const;
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/// Converts the vector from pixel coordinate space.
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Vector2 unprojectVector(const Vector2 &vector) const;
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/// Converts the X-coordinate from shape to pixel coordinate space.
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double projectX(double x) const;
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/// Converts the Y-coordinate from shape to pixel coordinate space.
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double projectY(double y) const;
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/// Converts the X-coordinate from pixel to shape coordinate space.
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double unprojectX(double x) const;
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/// Converts the Y-coordinate from pixel to shape coordinate space.
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double unprojectY(double y) const;
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private:
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Vector2 scale;
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Vector2 translate;
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};
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}
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