From bcf65bd050d9fbe364a60ab7ec0221539ca2c2af Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Sun, 12 Jul 2009 21:17:12 +0000 Subject: Begin dmnsn_texture* type. --- libdimension/pigments.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 libdimension/pigments.c (limited to 'libdimension/pigments.c') diff --git a/libdimension/pigments.c b/libdimension/pigments.c new file mode 100644 index 0000000..3b417f6 --- /dev/null +++ b/libdimension/pigments.c @@ -0,0 +1,64 @@ +/************************************************************************* + * Copyright (C) 2009 Tavian Barnes * + * * + * 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 * + * . * + *************************************************************************/ + +#include "dimension.h" +#include /* For malloc */ + +/* Solid color pigment callback */ +static dmnsn_color dmnsn_solid_pigment_fn(const dmnsn_pigment *pigment, + dmnsn_vector v); + +/* Create a solid color */ +dmnsn_pigment * +dmnsn_new_solid_pigment(dmnsn_color color) +{ + dmnsn_color *solid; + dmnsn_pigment *pigment = dmnsn_new_pigment(); + if (pigment) { + solid = malloc(sizeof(dmnsn_color)); + if (!solid) { + dmnsn_delete_pigment(pigment); + return NULL; + } + *solid = color; + + pigment->pigment_fn = &dmnsn_solid_pigment_fn; + pigment->ptr = solid; + } + + return pigment; +} + +/* Destroy a solid color */ +void dmnsn_delete_solid_pigment(dmnsn_pigment *pigment) +{ + if (pigment) { + free(pigment->ptr); + dmnsn_delete_pigment(pigment); + } +} + +/* Solid color callback */ +static dmnsn_color +dmnsn_solid_pigment_fn(const dmnsn_pigment *pigment, dmnsn_vector v) +{ + dmnsn_color *color = pigment->ptr; + return *color; +} -- cgit v1.2.3