Hallo, dies ist ein Test.

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/* graphene-matrix.h: 4x4 matrix * * SPDX-License-Identifier: MIT * * Copyright 2014 Emmanuele Bassi * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #pragma once #include "graphene-types.h" GRAPHENE_BEGIN_DECLS /** * graphene_matrix_t: * * A structure capable of holding a 4x4 matrix. * * The contents of the #graphene_matrix_t structure are private and * should never be accessed directly. */ struct _graphene_matrix_t { /*< private >*/ GRAPHENE_ALIGNED_DECL (GRAPHENE_PRIVATE_FIELD (graphene_simd4x4f_t, value), 16); }; GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_alloc (void); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_free (graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_identity (graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_from_float (graphene_matrix_t *m, const float *v); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_from_vec4 (graphene_matrix_t *m, const graphene_vec4_t *v0, const graphene_vec4_t *v1, const graphene_vec4_t *v2, const graphene_vec4_t *v3); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_from_matrix (graphene_matrix_t *m, const graphene_matrix_t *src); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_perspective (graphene_matrix_t *m, float fovy, float aspect, float z_near, float z_far); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_ortho (graphene_matrix_t *m, float left, float right, float top, float bottom, float z_near, float z_far); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_look_at (graphene_matrix_t *m, const graphene_vec3_t *eye, const graphene_vec3_t *center, const graphene_vec3_t *up); GRAPHENE_AVAILABLE_IN_1_2 graphene_matrix_t * graphene_matrix_init_frustum (graphene_matrix_t *m, float left, float right, float bottom, float top, float z_near, float z_far); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_scale (graphene_matrix_t *m, float x, float y, float z); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_translate (graphene_matrix_t *m, const graphene_point3d_t *p); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_rotate (graphene_matrix_t *m, float angle, const graphene_vec3_t *axis); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_skew (graphene_matrix_t *m, float x_skew, float y_skew); GRAPHENE_AVAILABLE_IN_1_0 graphene_matrix_t * graphene_matrix_init_from_2d (graphene_matrix_t *m, double xx, double yx, double xy, double yy, double x_0, double y_0); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_matrix_is_identity (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_matrix_is_2d (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_matrix_is_backface_visible (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_matrix_is_singular (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_to_float (const graphene_matrix_t *m, float *v); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_matrix_to_2d (const graphene_matrix_t *m, double *xx, double *yx, double *xy, double *yy, double *x_0, double *y_0); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_get_row (const graphene_matrix_t *m, unsigned int index_, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 float graphene_matrix_get_value (const graphene_matrix_t *m, unsigned int row, unsigned int col); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_multiply (const graphene_matrix_t *a, const graphene_matrix_t *b, graphene_matrix_t *res); GRAPHENE_AVAILABLE_IN_1_0 float graphene_matrix_determinant (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_transform_vec4 (const graphene_matrix_t *m, const graphene_vec4_t *v, graphene_vec4_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_transform_vec3 (const graphene_matrix_t *m, const graphene_vec3_t *v, graphene_vec3_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_transform_point (const graphene_matrix_t *m, const graphene_point_t *p, graphene_point_t *res); GRAPHENE_AVAILABLE_IN_1_2 void graphene_matrix_transform_point3d (const graphene_matrix_t *m, const graphene_point3d_t *p, graphene_point3d_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_transform_rect (const graphene_matrix_t *m, const graphene_rect_t *r, graphene_quad_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_transform_bounds (const graphene_matrix_t *m, const graphene_rect_t *r, graphene_rect_t *res); GRAPHENE_AVAILABLE_IN_1_2 void graphene_matrix_transform_sphere (const graphene_matrix_t *m, const graphene_sphere_t *s, graphene_sphere_t *res); GRAPHENE_AVAILABLE_IN_1_2 void graphene_matrix_transform_box (const graphene_matrix_t *m, const graphene_box_t *b, graphene_box_t *res); GRAPHENE_AVAILABLE_IN_1_4 void graphene_matrix_transform_ray (const graphene_matrix_t *m, const graphene_ray_t *r, graphene_ray_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_project_point (const graphene_matrix_t *m, const graphene_point_t *p, graphene_point_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_project_rect_bounds (const graphene_matrix_t *m, const graphene_rect_t *r, graphene_rect_t *res); GRAPHENE_AVAILABLE_IN_1_2 void graphene_matrix_project_rect (const graphene_matrix_t *m, const graphene_rect_t *r, graphene_quad_t *res); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_matrix_untransform_point (const graphene_matrix_t *m, const graphene_point_t *p, const graphene_rect_t *bounds, graphene_point_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_untransform_bounds (const graphene_matrix_t *m, const graphene_rect_t *r, const graphene_rect_t *bounds, graphene_rect_t *res); GRAPHENE_AVAILABLE_IN_1_2 void graphene_matrix_unproject_point3d (const graphene_matrix_t *projection, const graphene_matrix_t *modelview, const graphene_point3d_t *point, graphene_point3d_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_translate (graphene_matrix_t *m, const graphene_point3d_t *pos); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_rotate (graphene_matrix_t *m, float angle, const graphene_vec3_t *axis); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_rotate_x (graphene_matrix_t *m, float angle); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_rotate_y (graphene_matrix_t *m, float angle); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_rotate_z (graphene_matrix_t *m, float angle); GRAPHENE_AVAILABLE_IN_1_2 void graphene_matrix_rotate_quaternion (graphene_matrix_t *m, const graphene_quaternion_t *q); GRAPHENE_AVAILABLE_IN_1_2 void graphene_matrix_rotate_euler (graphene_matrix_t *m, const graphene_euler_t *e); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_scale (graphene_matrix_t *m, float factor_x, float factor_y, float factor_z); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_skew_xy (graphene_matrix_t *m, float factor); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_skew_xz (graphene_matrix_t *m, float factor); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_skew_yz (graphene_matrix_t *m, float factor); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_transpose (const graphene_matrix_t *m, graphene_matrix_t *res); GRAPHENE_AVAILABLE_IN_1_0 bool graphene_matrix_inverse (const graphene_matrix_t *m, graphene_matrix_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_perspective (const graphene_matrix_t *m, float depth, graphene_matrix_t *res); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_normalize (const graphene_matrix_t *m, graphene_matrix_t *res); GRAPHENE_AVAILABLE_IN_1_10 float graphene_matrix_get_x_translation (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_10 float graphene_matrix_get_y_translation (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_10 float graphene_matrix_get_z_translation (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 float graphene_matrix_get_x_scale (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 float graphene_matrix_get_y_scale (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 float graphene_matrix_get_z_scale (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_interpolate (const graphene_matrix_t *a, const graphene_matrix_t *b, double factor, graphene_matrix_t *res); GRAPHENE_AVAILABLE_IN_1_10 bool graphene_matrix_near (const graphene_matrix_t *a, const graphene_matrix_t *b, float epsilon); GRAPHENE_AVAILABLE_IN_1_10 bool graphene_matrix_equal (const graphene_matrix_t *a, const graphene_matrix_t *b); GRAPHENE_AVAILABLE_IN_1_10 bool graphene_matrix_equal_fast (const graphene_matrix_t *a, const graphene_matrix_t *b); GRAPHENE_AVAILABLE_IN_1_0 void graphene_matrix_print (const graphene_matrix_t *m); GRAPHENE_AVAILABLE_IN_1_10 bool graphene_matrix_decompose (const graphene_matrix_t *m, graphene_vec3_t *translate, graphene_vec3_t *scale, graphene_quaternion_t *rotate, graphene_vec3_t *shear, graphene_vec4_t *perspective); GRAPHENE_END_DECLS