diff options
Diffstat (limited to 'libdimension')
| -rw-r--r-- | libdimension/Makefile.am | 4 | ||||
| -rw-r--r-- | libdimension/dimension.h | 4 | ||||
| -rw-r--r-- | libdimension/dimension/finish.h | 103 | ||||
| -rw-r--r-- | libdimension/dimension/pigment.h | 83 | ||||
| -rw-r--r-- | libdimension/dimension/texture.h | 140 | ||||
| -rw-r--r-- | libdimension/finish.c | 51 | ||||
| -rw-r--r-- | libdimension/pigment.c | 62 | ||||
| -rw-r--r-- | libdimension/texture.c | 64 |
8 files changed, 307 insertions, 204 deletions
diff --git a/libdimension/Makefile.am b/libdimension/Makefile.am index 049381d..65f41d2 100644 --- a/libdimension/Makefile.am +++ b/libdimension/Makefile.am @@ -28,6 +28,7 @@ nobase_include_HEADERS = dimension.h \ dimension/color.h \ dimension/csg.h \ dimension/error.h \ + dimension/finish.h \ dimension/finishes.h \ dimension/geometry.h \ dimension/gl.h \ @@ -42,6 +43,7 @@ nobase_include_HEADERS = dimension.h \ dimension/objects.h \ dimension/pattern.h \ dimension/patterns.h \ + dimension/pigment.h \ dimension/pigments.h \ dimension/png.h \ dimension/polynomial.h \ @@ -68,6 +70,7 @@ libdimension_la_SOURCES = $(nobase_include_HEADERS) \ diffuse.c \ dimension-impl.h \ error.c \ + finish.c \ finish_combination.c \ geometry.c \ gradient.c \ @@ -81,6 +84,7 @@ libdimension_la_SOURCES = $(nobase_include_HEADERS) \ pattern.c \ perspective.c \ phong.c \ + pigment.c \ pigment_map.c \ plane.c \ platform.c \ diff --git a/libdimension/dimension.h b/libdimension/dimension.h index e190de3..8e7b567 100644 --- a/libdimension/dimension.h +++ b/libdimension/dimension.h @@ -75,9 +75,11 @@ typedef void dmnsn_free_fn(void *ptr); #include <dimension/pattern.h> #include <dimension/patterns.h> #include <dimension/map.h> -#include <dimension/texture.h> +#include <dimension/pigment.h> #include <dimension/pigments.h> +#include <dimension/finish.h> #include <dimension/finishes.h> +#include <dimension/texture.h> #include <dimension/interior.h> #include <dimension/object.h> #include <dimension/objects.h> diff --git a/libdimension/dimension/finish.h b/libdimension/dimension/finish.h new file mode 100644 index 0000000..022a2b0 --- /dev/null +++ b/libdimension/dimension/finish.h @@ -0,0 +1,103 @@ +/************************************************************************* + * Copyright (C) 2009-2010 Tavian Barnes <tavianator@gmail.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library 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. * + * * + * The Dimension Library 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/>. * + *************************************************************************/ + +/** + * @file + * Object finishes. + */ + +#ifndef DIMENSION_FINISH_H +#define DIMENSION_FINISH_H + +/* Forward-declare dmnsn_finish */ +typedef struct dmnsn_finish dmnsn_finish; + +/** + * Diffuse reflection callback. + * @param[in] finish The finish itself. + * @param[in] light The color of the light illuminating the object. + * @param[in] color The pigment of the object. + * @param[in] ray The direction of the light source. + * @param[in] normal The normal vector of the surface. + * @return The diffuse reflection component of the object's color. + */ +typedef dmnsn_color dmnsn_diffuse_fn(const dmnsn_finish *finish, + dmnsn_color light, dmnsn_color color, + dmnsn_vector ray, dmnsn_vector normal); +/** + * Specular highlight callback. + * @param[in] finish The finish itself. + * @param[in] light The color of the light illuminating the object. + * @param[in] color The pigment of the object. + * @param[in] ray The direction of the light source. + * @param[in] normal The normal vector of the surface. + * @param[in] viewer The direction of the viewer. + * @return The specular reflection component of the object's color. + */ +typedef dmnsn_color dmnsn_specular_fn(const dmnsn_finish *finish, + dmnsn_color light, dmnsn_color color, + dmnsn_vector ray, dmnsn_vector normal, + dmnsn_vector viewer); +/** + * Ambient light callback. + * @param[in] finish The finish itself. + * @param[in] pigment The pigment of the object. + * @return The ambient contribution to the object's color. + */ +typedef dmnsn_color dmnsn_ambient_fn(const dmnsn_finish *finish, + dmnsn_color pigment); +/** + * Reflected light callback. + * @param[in] finish The finish itself. + * @param[in] reflect The color of the reflected ray. + * @param[in] color The pigment of the object. + * @param[in] ray The direction of the reflected ray. + * @param[in] normal The normal vector of the surface. + * @return The contribution of the reflected ray to the object's color. + */ +typedef dmnsn_color dmnsn_reflection_fn(const dmnsn_finish *finish, + dmnsn_color reflect, dmnsn_color color, + dmnsn_vector ray, dmnsn_vector normal); + +/** A finish. */ +struct dmnsn_finish { + dmnsn_diffuse_fn *diffuse_fn; /**< The diffuse callback. */ + dmnsn_specular_fn *specular_fn; /**< The specular callback. */ + dmnsn_ambient_fn *ambient_fn; /**< The ambient callback. */ + dmnsn_reflection_fn *reflection_fn; /**< The reflection callback. */ + dmnsn_free_fn *free_fn; /**< The destruction callback. */ + + /** Generic pointer. */ + void *ptr; +}; + +/** + * Allocate a new dummy finish. + * @return The allocated finish. + */ +dmnsn_finish *dmnsn_new_finish(void); + +/** + * Delete a finish. + * @param[in,out] finish The finish to delete. + */ +void dmnsn_delete_finish(dmnsn_finish *finish); + +#endif /* DIMENSION_FINISH_H */ diff --git a/libdimension/dimension/pigment.h b/libdimension/dimension/pigment.h new file mode 100644 index 0000000..946cf5b --- /dev/null +++ b/libdimension/dimension/pigment.h @@ -0,0 +1,83 @@ +/************************************************************************* + * Copyright (C) 2009-2010 Tavian Barnes <tavianator@gmail.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library 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. * + * * + * The Dimension Library 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/>. * + *************************************************************************/ + +/** + * @file + * Object pigments. + */ + +#ifndef DIMENSION_PIGMENT_H +#define DIMENSION_PIGMENT_H + +/* Forward-declare dmnsn_pigment */ +typedef struct dmnsn_pigment dmnsn_pigment; + +/** + * Pigment callback. + * @param[in] pigment The pigment itself. + * @param[in] v The point to color. + * @return The color of the pigment at \p v. + */ +typedef dmnsn_color dmnsn_pigment_fn(const dmnsn_pigment *pigment, + dmnsn_vector v); + +/** + * Pigment initializer callback. + * @param[in,out] pigment The pigment to initialize. + */ +typedef void dmnsn_pigment_initialize_fn(dmnsn_pigment *pigment); + +/** A pigment. */ +struct dmnsn_pigment { + dmnsn_pigment_fn *pigment_fn; /**< The pigment callback. */ + dmnsn_pigment_initialize_fn *initialize_fn; /**< The initializer callback. */ + dmnsn_free_fn *free_fn; /**< The destructor callback. */ + + dmnsn_matrix trans; /**< Transformation matrix. */ + dmnsn_matrix trans_inv; /**< The inverse of the transformation matrix. */ + + /** Quick color -- used for low-quality renders. */ + dmnsn_color quick_color; + + /** Generic pointer. */ + void *ptr; +}; + +/** + * Allocate a new dummy pigment. + * @return The allocated pigment. + */ +dmnsn_pigment *dmnsn_new_pigment(void); + +/** + * Delete a pigment. + * @param[in,out] pigment The pigment to delete. + */ +void dmnsn_delete_pigment(dmnsn_pigment *pigment); + +/** + * Initialize a pigment. Pigments should not be used before being initialized, + * but should not be modified after being initialized. Pigments are generally + * initialized for you. + * @param[in,out] pigment The pigment to initialize. + */ +void dmnsn_initialize_pigment(dmnsn_pigment *pigment); + +#endif /* DIMENSION_PIGMENT_H */ diff --git a/libdimension/dimension/texture.h b/libdimension/dimension/texture.h index 0398abc..bac7d84 100644 --- a/libdimension/dimension/texture.h +++ b/libdimension/dimension/texture.h @@ -26,146 +26,6 @@ #ifndef DIMENSION_TEXTURE_H #define DIMENSION_TEXTURE_H -/* - * Pigments - */ - -/* Forward-declare dmnsn_pigment */ -typedef struct dmnsn_pigment dmnsn_pigment; - -/** - * Pigment callback. - * @param[in] pigment The pigment itself. - * @param[in] v The point to color. - * @return The color of the pigment at \p v. - */ -typedef dmnsn_color dmnsn_pigment_fn(const dmnsn_pigment *pigment, - dmnsn_vector v); - -/** - * Pigment initializer callback. - * @param[in,out] pigment The pigment to initialize. - */ -typedef void dmnsn_pigment_initialize_fn(dmnsn_pigment *pigment); - -/** A pigment. */ -struct dmnsn_pigment { - dmnsn_pigment_fn *pigment_fn; /**< The pigment callback. */ - dmnsn_pigment_initialize_fn *initialize_fn; /**< The initializer callback. */ - dmnsn_free_fn *free_fn; /**< The destructor callback. */ - - dmnsn_matrix trans; /**< Transformation matrix. */ - dmnsn_matrix trans_inv; /**< The inverse of the transformation matrix. */ - - /** Quick color -- used for low-quality renders. */ - dmnsn_color quick_color; - - /** Generic pointer. */ - void *ptr; -}; - -/** - * Allocate a new dummy pigment. - * @return The allocated pigment. - */ -dmnsn_pigment *dmnsn_new_pigment(void); - -/** - * Delete a pigment. - * @param[in,out] pigment The pigment to delete. - */ -void dmnsn_delete_pigment(dmnsn_pigment *pigment); - -/** - * Initialize a pigment. Pigments should not be used before being initialized, - * but should not be modified after being initialized. Pigments are generally - * initialized for you. - * @param[in,out] pigment The pigment to initialize. - */ -void dmnsn_initialize_pigment(dmnsn_pigment *pigment); - -/* - * Finishes - */ - -/* Forward-declare dmnsn_finish */ -typedef struct dmnsn_finish dmnsn_finish; - -/** - * Diffuse reflection callback. - * @param[in] finish The finish itself. - * @param[in] light The color of the light illuminating the object. - * @param[in] color The pigment of the object. - * @param[in] ray The direction of the light source. - * @param[in] normal The normal vector of the surface. - * @return The diffuse reflection component of the object's color. - */ -typedef dmnsn_color dmnsn_diffuse_fn(const dmnsn_finish *finish, - dmnsn_color light, dmnsn_color color, - dmnsn_vector ray, dmnsn_vector normal); -/** - * Specular highlight callback. - * @param[in] finish The finish itself. - * @param[in] light The color of the light illuminating the object. - * @param[in] color The pigment of the object. - * @param[in] ray The direction of the light source. - * @param[in] normal The normal vector of the surface. - * @param[in] viewer The direction of the viewer. - * @return The specular reflection component of the object's color. - */ -typedef dmnsn_color dmnsn_specular_fn(const dmnsn_finish *finish, - dmnsn_color light, dmnsn_color color, - dmnsn_vector ray, dmnsn_vector normal, - dmnsn_vector viewer); -/** - * Ambient light callback. - * @param[in] finish The finish itself. - * @param[in] pigment The pigment of the object. - * @return The ambient contribution to the object's color. - */ -typedef dmnsn_color dmnsn_ambient_fn(const dmnsn_finish *finish, - dmnsn_color pigment); -/** - * Reflected light callback. - * @param[in] finish The finish itself. - * @param[in] reflect The color of the reflected ray. - * @param[in] color The pigment of the object. - * @param[in] ray The direction of the reflected ray. - * @param[in] normal The normal vector of the surface. - * @return The contribution of the reflected ray to the object's color. - */ -typedef dmnsn_color dmnsn_reflection_fn(const dmnsn_finish *finish, - dmnsn_color reflect, dmnsn_color color, - dmnsn_vector ray, dmnsn_vector normal); - -/** A finish. */ -struct dmnsn_finish { - dmnsn_diffuse_fn *diffuse_fn; /**< The diffuse callback. */ - dmnsn_specular_fn *specular_fn; /**< The specular callback. */ - dmnsn_ambient_fn *ambient_fn; /**< The ambient callback. */ - dmnsn_reflection_fn *reflection_fn; /**< The reflection callback. */ - dmnsn_free_fn *free_fn; /**< The destruction callback. */ - - /** Generic pointer. */ - void *ptr; -}; - -/** - * Allocate a new dummy finish. - * @return The allocated finish. - */ -dmnsn_finish *dmnsn_new_finish(void); - -/** - * Delete a finish. - * @param[in,out] finish The finish to delete. - */ -void dmnsn_delete_finish(dmnsn_finish *finish); - -/* - * Textures - */ - /** A complete texture. */ typedef struct { dmnsn_pigment *pigment; /**< Pigment. */ diff --git a/libdimension/finish.c b/libdimension/finish.c new file mode 100644 index 0000000..0309e6e --- /dev/null +++ b/libdimension/finish.c @@ -0,0 +1,51 @@ +/************************************************************************* + * Copyright (C) 2009-2010 Tavian Barnes <tavianator@gmail.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library 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. * + * * + * The Dimension Library 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/>. * + *************************************************************************/ + +/** + * @file + * Finishes. + */ + +#include "dimension.h" + +/* Allocate a dummy finish */ +dmnsn_finish * +dmnsn_new_finish(void) +{ + dmnsn_finish *finish = dmnsn_malloc(sizeof(dmnsn_finish)); + finish->diffuse_fn = NULL; + finish->specular_fn = NULL; + finish->ambient_fn = NULL; + finish->reflection_fn = NULL; + finish->free_fn = NULL; + return finish; +} + +/* Free a finish */ +void +dmnsn_delete_finish(dmnsn_finish *finish) +{ + if (finish) { + if (finish->free_fn) { + (*finish->free_fn)(finish->ptr); + } + dmnsn_free(finish); + } +} diff --git a/libdimension/pigment.c b/libdimension/pigment.c new file mode 100644 index 0000000..2ca1e2e --- /dev/null +++ b/libdimension/pigment.c @@ -0,0 +1,62 @@ +/************************************************************************* + * Copyright (C) 2009-2010 Tavian Barnes <tavianator@gmail.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library 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. * + * * + * The Dimension Library 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/>. * + *************************************************************************/ + +/** + * @file + * Pigments. + */ + +#include "dimension.h" + +/* Allocate a dummy pigment */ +dmnsn_pigment * +dmnsn_new_pigment(void) +{ + dmnsn_pigment *pigment = dmnsn_malloc(sizeof(dmnsn_pigment)); + pigment->pigment_fn = NULL; + pigment->initialize_fn = NULL; + pigment->free_fn = NULL; + pigment->trans = dmnsn_identity_matrix(); + pigment->quick_color = dmnsn_black; + return pigment; +} + +/* Free a pigment */ +void +dmnsn_delete_pigment(dmnsn_pigment *pigment) +{ + if (pigment) { + if (pigment->free_fn) { + (*pigment->free_fn)(pigment->ptr); + } + dmnsn_free(pigment); + } +} + +/* Precompute pigment properties */ +void +dmnsn_initialize_pigment(dmnsn_pigment *pigment) +{ + if (pigment->initialize_fn) { + (*pigment->initialize_fn)(pigment); + } + + pigment->trans_inv = dmnsn_matrix_inverse(pigment->trans); +} diff --git a/libdimension/texture.c b/libdimension/texture.c index 0096ce0..4c66c25 100644 --- a/libdimension/texture.c +++ b/libdimension/texture.c @@ -20,72 +20,10 @@ /** * @file - * Textures, pigments, and finishes. + * Textures. */ #include "dimension.h" -#include <stdlib.h> - -/* Allocate a dummy pigment */ -dmnsn_pigment * -dmnsn_new_pigment(void) -{ - dmnsn_pigment *pigment = dmnsn_malloc(sizeof(dmnsn_pigment)); - pigment->pigment_fn = NULL; - pigment->initialize_fn = NULL; - pigment->free_fn = NULL; - pigment->trans = dmnsn_identity_matrix(); - pigment->quick_color = dmnsn_black; - return pigment; -} - -/* Free a pigment */ -void -dmnsn_delete_pigment(dmnsn_pigment *pigment) -{ - if (pigment) { - if (pigment->free_fn) { - (*pigment->free_fn)(pigment->ptr); - } - dmnsn_free(pigment); - } -} - -/* Precompute pigment properties */ -void -dmnsn_initialize_pigment(dmnsn_pigment *pigment) -{ - if (pigment->initialize_fn) { - (*pigment->initialize_fn)(pigment); - } - - pigment->trans_inv = dmnsn_matrix_inverse(pigment->trans); -} - -/* Allocate a dummy finish */ -dmnsn_finish * -dmnsn_new_finish(void) -{ - dmnsn_finish *finish = dmnsn_malloc(sizeof(dmnsn_finish)); - finish->diffuse_fn = NULL; - finish->specular_fn = NULL; - finish->ambient_fn = NULL; - finish->reflection_fn = NULL; - finish->free_fn = NULL; - return finish; -} - -/* Free a finish */ -void -dmnsn_delete_finish(dmnsn_finish *finish) -{ - if (finish) { - if (finish->free_fn) { - (*finish->free_fn)(finish->ptr); - } - dmnsn_free(finish); - } -} /* Allocate a dummy texture */ dmnsn_texture * |