Use Cython for the Python module.

1 files changed, 359 insertions, 0 deletions

diff --git a/libdimension-python/dimension.pxd b/libdimension-python/dimension.pxd
new file mode 100644
index 0000000..cd28f24
--- /dev/null
+++ b/libdimension-python/dimension.pxd
@@ -0,0 +1,359 @@
+#########################################################################
+# Copyright (C) 2011 Tavian Barnes <tavianator@tavianator.com>          #
+#                                                                       #
+# This file is part of The Dimension Python Module.                     #
+#                                                                       #
+# The Dimension Python Module is free software; you can redistribute it #
+# and/or modify it under the terms of the GNU General Public License as #
+# published by the Free Software Foundation; either version 3 of the    #
+# License, or (at your option) any later version.                       #
+#                                                                       #
+# The Dimension Python Module 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 General Public License for more details.                      #
+#                                                                       #
+# You should have received a copy of the GNU General Public License     #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
+#########################################################################
+
+from cpython cimport bool
+from libc.math cimport *
+from libc.stdio cimport *
+
+cdef extern from "errno.h":
+  int errno
+
+cdef extern from "../libdimension/dimension.h":
+
+  ###########
+  # Globals #
+  ###########
+
+  ctypedef void dmnsn_callback_fn(void *ptr)
+
+  void DMNSN_INCREF(void *)
+
+  void dmnsn_die_on_warnings(bint always_die)
+
+  double dmnsn_epsilon
+
+  ##########
+  # Arrays #
+  ##########
+
+  ctypedef struct dmnsn_array:
+    pass
+
+  dmnsn_array *dmnsn_new_array(size_t objsize)
+  void dmnsn_delete_array(dmnsn_array *array)
+
+  size_t dmnsn_array_size(dmnsn_array *array)
+  void dmnsn_array_resize(dmnsn_array *array, size_t length)
+  dmnsn_array *dmnsn_array_copy(dmnsn_array *array)
+  dmnsn_array *dmnsn_array_split(dmnsn_array *array)
+  void dmnsn_array_get(dmnsn_array *array, size_t i, void *obj)
+  void dmnsn_array_set(dmnsn_array *array, size_t i, void *obj)
+  void *dmnsn_array_first(dmnsn_array *array)
+  void *dmnsn_array_last(dmnsn_array *array)
+  void *dmnsn_array_at(dmnsn_array *array, size_t i)
+  void dmnsn_array_push(dmnsn_array *array, void *obj)
+  void dmnsn_array_pop(dmnsn_array *array, void *obj)
+  void dmnsn_array_insert(dmnsn_array *array, size_t i, void *obj)
+  void dmnsn_array_remove(dmnsn_array *array, size_t i)
+  void dmnsn_array_apply(dmnsn_array *array, dmnsn_callback_fn *callback)
+
+  ############
+  # Geometry #
+  ############
+
+  double dmnsn_radians(double degrees)
+  double dmnsn_degrees(double radians)
+
+  ctypedef struct dmnsn_vector:
+    double x
+    double y
+    double z
+
+  dmnsn_vector dmnsn_new_vector(double x, double y, double z)
+
+  dmnsn_vector dmnsn_vector_negate(dmnsn_vector rhs)
+
+  dmnsn_vector dmnsn_vector_add(dmnsn_vector lhs, dmnsn_vector rhs)
+  dmnsn_vector dmnsn_vector_sub(dmnsn_vector lhs, dmnsn_vector rhs)
+  dmnsn_vector dmnsn_vector_mul(double lhs, dmnsn_vector rhs)
+  dmnsn_vector dmnsn_vector_div(dmnsn_vector lhs, double rhs)
+
+  dmnsn_vector dmnsn_vector_cross(dmnsn_vector lhs, dmnsn_vector rhs)
+  double dmnsn_vector_dot(dmnsn_vector lhs, dmnsn_vector rhs)
+  dmnsn_vector dmnsn_vector_proj(dmnsn_vector u, dmnsn_vector d)
+
+  double dmnsn_vector_norm(dmnsn_vector v)
+  dmnsn_vector dmnsn_vector_normalized(dmnsn_vector v)
+
+  double dmnsn_vector_axis_angle(dmnsn_vector v1, dmnsn_vector v2,
+                                 dmnsn_vector axis)
+
+  dmnsn_vector dmnsn_zero
+  dmnsn_vector dmnsn_x
+  dmnsn_vector dmnsn_y
+  dmnsn_vector dmnsn_z
+
+  ctypedef struct dmnsn_matrix:
+    double n[3][4]
+
+  dmnsn_matrix dmnsn_new_matrix(double a1, double a2, double a3, double a4,
+                                double b1, double b2, double b3, double b4,
+                                double c1, double c2, double c3, double c4)
+
+  dmnsn_matrix dmnsn_matrix_inverse(dmnsn_matrix m)
+
+  dmnsn_matrix dmnsn_matrix_mul(dmnsn_matrix lhs, dmnsn_matrix rhs)
+  dmnsn_vector dmnsn_transform_vector(dmnsn_matrix lhs, dmnsn_vector rhs)
+
+  dmnsn_matrix dmnsn_scale_matrix(dmnsn_vector s)
+  dmnsn_matrix dmnsn_translation_matrix(dmnsn_vector d)
+  dmnsn_matrix dmnsn_rotation_matrix(dmnsn_vector theta)
+
+  ##########
+  # Colors #
+  ##########
+
+  ctypedef struct dmnsn_color:
+    double R
+    double G
+    double B
+    double trans
+    double filter
+
+  dmnsn_color dmnsn_new_color(double R, double G, double B)
+  dmnsn_color dmnsn_new_color5(double R, double G, double B,
+                               double trans, double filter)
+
+  dmnsn_color dmnsn_color_from_sRGB(dmnsn_color color)
+  dmnsn_color dmnsn_color_to_sRGB(dmnsn_color color)
+
+  double dmnsn_color_intensity(dmnsn_color color)
+  dmnsn_color dmnsn_color_add(dmnsn_color color1, dmnsn_color color2)
+  dmnsn_color dmnsn_color_mul(double n, dmnsn_color color)
+
+  bint dmnsn_color_is_black(dmnsn_color color)
+
+  dmnsn_color dmnsn_black
+  dmnsn_color dmnsn_white
+  dmnsn_color dmnsn_clear
+  dmnsn_color dmnsn_red
+  dmnsn_color dmnsn_green
+  dmnsn_color dmnsn_blue
+  dmnsn_color dmnsn_magenta
+  dmnsn_color dmnsn_orange
+  dmnsn_color dmnsn_yellow
+  dmnsn_color dmnsn_cyan
+
+  ############
+  # Canvases #
+  ############
+
+  ctypedef struct dmnsn_canvas:
+    size_t width
+    size_t height
+
+  dmnsn_canvas *dmnsn_new_canvas(size_t width, size_t height)
+  void dmnsn_delete_canvas(dmnsn_canvas *canvas)
+
+  void dmnsn_clear_canvas(dmnsn_canvas *canvas, dmnsn_color color)
+
+  int dmnsn_png_optimize_canvas(dmnsn_canvas *canvas)
+  int dmnsn_png_write_canvas(dmnsn_canvas *canvas, FILE *file)
+
+  int dmnsn_gl_optimize_canvas(dmnsn_canvas *canvas)
+  int dmnsn_gl_write_canvas(dmnsn_canvas *canvas)
+
+  ############
+  # Patterns #
+  ############
+
+  ctypedef struct dmnsn_pattern:
+    dmnsn_matrix trans
+
+  void dmnsn_delete_pattern(dmnsn_pattern *pattern)
+
+  dmnsn_pattern *dmnsn_new_checker_pattern()
+  dmnsn_pattern *dmnsn_new_gradient_pattern(dmnsn_vector orientation)
+
+  ########
+  # Maps #
+  ########
+
+  ctypedef struct dmnsn_map:
+    pass
+
+  void dmnsn_delete_map(dmnsn_map *map)
+
+  void dmnsn_add_map_entry(dmnsn_map *map, double n, void *obj)
+  size_t dmnsn_map_size(dmnsn_map *map)
+
+  dmnsn_map *dmnsn_new_color_map()
+  dmnsn_map *dmnsn_new_pigment_map()
+
+  ############
+  # Pigments #
+  ############
+
+  ctypedef struct dmnsn_pigment:
+    dmnsn_matrix trans
+
+  ctypedef enum dmnsn_pigment_map_flags:
+    DMNSN_PIGMENT_MAP_REGULAR
+    DMNSN_PIGMENT_MAP_SRGB
+
+  void dmnsn_delete_pigment(dmnsn_pigment *pigment)
+
+  dmnsn_pigment *dmnsn_new_solid_pigment(dmnsn_color color)
+  dmnsn_pigment *dmnsn_new_canvas_pigment(dmnsn_canvas *canvas)
+  dmnsn_pigment *dmnsn_new_color_map_pigment(dmnsn_pattern *pattern,
+                                             dmnsn_map *map,
+                                             dmnsn_pigment_map_flags flags)
+  dmnsn_pigment *dmnsn_new_pigment_map_pigment(dmnsn_pattern *pattern,
+                                               dmnsn_map *map,
+                                               dmnsn_pigment_map_flags flags)
+
+  ############
+  # Finishes #
+  ############
+
+  ctypedef struct dmnsn_ambient
+  ctypedef struct dmnsn_diffuse
+  ctypedef struct dmnsn_specular
+  ctypedef struct dmnsn_reflection
+
+  ctypedef struct dmnsn_finish:
+    dmnsn_ambient    *ambient
+    dmnsn_diffuse    *diffuse
+    dmnsn_specular   *specular
+    dmnsn_reflection *reflection
+
+  dmnsn_finish dmnsn_new_finish()
+  void dmnsn_delete_finish(dmnsn_finish finish)
+
+  dmnsn_ambient *dmnsn_new_basic_ambient(dmnsn_color ambient)
+  dmnsn_diffuse *dmnsn_new_lambertian(double diffuse)
+  dmnsn_specular *dmnsn_new_phong(double specular, double exp)
+  dmnsn_reflection *dmnsn_new_basic_reflection(dmnsn_color min, dmnsn_color max,
+                                               double falloff)
+
+  ############
+  # Textures #
+  ############
+
+  ctypedef struct dmnsn_texture:
+    dmnsn_pigment *pigment
+    dmnsn_finish finish
+    dmnsn_matrix trans
+
+  dmnsn_texture *dmnsn_new_texture()
+  void dmnsn_delete_texture(dmnsn_texture *texture)
+
+  void dmnsn_texture_cascade(dmnsn_texture *default_texture,
+                             dmnsn_texture **texture)
+
+  #############
+  # Interiors #
+  #############
+
+  ctypedef struct dmnsn_interior:
+    double ior
+
+  dmnsn_interior *dmnsn_new_interior()
+  void dmnsn_delete_interior(dmnsn_interior *interior)
+
+  ###########
+  # Objects #
+  ###########
+
+  ctypedef struct dmnsn_object:
+    dmnsn_texture *texture
+    dmnsn_interior *interior
+    dmnsn_matrix trans
+
+  dmnsn_object *dmnsn_new_object()
+  void dmnsn_delete_object(dmnsn_object *object)
+
+  dmnsn_object *dmnsn_new_plane(dmnsn_vector normal)
+  dmnsn_object *dmnsn_new_sphere()
+  dmnsn_object *dmnsn_new_cube()
+  dmnsn_object *dmnsn_new_cone(double r1, double r2, bint open)
+  dmnsn_object *dmnsn_new_torus(double major, double minor)
+
+  dmnsn_object *dmnsn_new_csg_union(dmnsn_array *objects)
+  dmnsn_object *dmnsn_new_csg_intersection(dmnsn_object *A, dmnsn_object *B)
+  dmnsn_object *dmnsn_new_csg_difference(dmnsn_object *A, dmnsn_object *B)
+  dmnsn_object *dmnsn_new_csg_merge(dmnsn_object *A, dmnsn_object *B)
+
+  ##########
+  # Lights #
+  ##########
+
+  ctypedef struct dmnsn_light
+
+  dmnsn_light *dmnsn_new_light()
+  void dmnsn_delete_light(dmnsn_light *light)
+
+  dmnsn_light *dmnsn_new_point_light(dmnsn_vector x0, dmnsn_color color)
+
+  ###########
+  # Cameras #
+  ###########
+
+  ctypedef struct dmnsn_camera:
+    dmnsn_matrix trans
+
+  dmnsn_camera *dmnsn_new_camera()
+  void dmnsn_delete_camera(dmnsn_camera *camera)
+
+  dmnsn_camera *dmnsn_new_perspective_camera()
+
+  ###############
+  # Sky Spheres #
+  ###############
+
+  ctypedef struct dmnsn_sky_sphere:
+    dmnsn_array *pigments
+    dmnsn_matrix trans
+
+  dmnsn_sky_sphere *dmnsn_new_sky_sphere()
+  void dmnsn_delete_sky_sphere(dmnsn_sky_sphere *sky_sphere)
+
+  ##########
+  # Scenes #
+  ##########
+
+  ctypedef enum dmnsn_quality:
+    DMNSN_RENDER_NONE
+    DMNSN_RENDER_PIGMENT
+    DMNSN_RENDER_LIGHTS
+    DMNSN_RENDER_FINISH
+    DMNSN_RENDER_TRANSLUCENCY
+    DMNSN_RENDER_REFLECTION
+    DMNSN_RENDER_FULL
+
+  ctypedef struct dmnsn_scene:
+    dmnsn_color background
+    dmnsn_sky_sphere *sky_sphere
+    dmnsn_texture *default_texture
+    dmnsn_interior *default_interior
+
+    dmnsn_array *objects
+    dmnsn_array *lights
+    dmnsn_camera *camera
+    dmnsn_canvas *canvas
+
+    dmnsn_quality quality
+    unsigned int reclimit
+    double adc_bailout
+    unsigned int nthreads
+
+  dmnsn_scene *dmnsn_new_scene()
+  void dmnsn_delete_scene(dmnsn_scene *scene)
+
+  void dmnsn_raytrace_scene(dmnsn_scene *scene)