Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Toolbox/AffineTransform2D.h @ 2166:f14260c15151
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 07 Oct 2024 12:35:07 +0200 |
parents | 16c01cc201e7 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #pragma once #include "../StoneEnumerations.h" #include "LinearAlgebra.h" #include <Images/ImageAccessor.h> namespace OrthancStone { class AffineTransform2D { private: Matrix matrix_; public: AffineTransform2D(); // Create the identity transform // The matrix must be 3x3, without perspective effects explicit AffineTransform2D(const Matrix& m); AffineTransform2D(const AffineTransform2D& other) : matrix_(other.matrix_) { } const Matrix& GetHomogeneousMatrix() const { return matrix_; } void Apply(double& x /* inout */, double& y /* inout */) const; void Apply(Orthanc::ImageAccessor& target, const Orthanc::ImageAccessor& source, ImageInterpolation interpolation, bool clear) const; void ConvertToOpenGLMatrix(float target[16], unsigned int canvasWidth, unsigned int canvasHeight) const; double ComputeZoom() const; static AffineTransform2D Invert(const AffineTransform2D& a); static AffineTransform2D Combine(const AffineTransform2D& a, const AffineTransform2D& b); static AffineTransform2D Combine(const AffineTransform2D& a, const AffineTransform2D& b, const AffineTransform2D& c); static AffineTransform2D Combine(const AffineTransform2D& a, const AffineTransform2D& b, const AffineTransform2D& c, const AffineTransform2D& d); // transformations are applied right to left: // `e` is the first transformation applied and `a` is the last one static AffineTransform2D Combine(const AffineTransform2D& a, const AffineTransform2D& b, const AffineTransform2D& c, const AffineTransform2D& d, const AffineTransform2D& e); static AffineTransform2D CreateOffset(double dx, double dy); static AffineTransform2D CreateScaling(double sx, double sy); static AffineTransform2D CreateRotation(double angle); // CW rotation in radians static AffineTransform2D CreateRotation(double angle, // CW rotation in radians double cx, // rotation center double cy); // rotation center static AffineTransform2D CreateOpenGLClipspace(unsigned int canvasWidth, unsigned int canvasHeight); static AffineTransform2D CreateFlip(bool flipX, bool flipY, unsigned int width, unsigned int height); static AffineTransform2D CreateFlipX(); static AffineTransform2D CreateFlipY(); }; }