From 7b09710392d35fb55b52031d447a542d99fc6b4b Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Tue, 19 Aug 2014 17:10:03 -0400 Subject: Modularize the libdimension codebase. --- libdimension/dimension/tcolor.h | 112 ---------------------------------------- 1 file changed, 112 deletions(-) delete mode 100644 libdimension/dimension/tcolor.h (limited to 'libdimension/dimension/tcolor.h') diff --git a/libdimension/dimension/tcolor.h b/libdimension/dimension/tcolor.h deleted file mode 100644 index 8c48800..0000000 --- a/libdimension/dimension/tcolor.h +++ /dev/null @@ -1,112 +0,0 @@ -/************************************************************************* - * Copyright (C) 2009-2014 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 * - * . * - *************************************************************************/ - -/** - * @file - * Colors with transparency information. - */ - -/** A transparent color. */ -typedef struct dmnsn_tcolor { - dmnsn_color c; /**< Color. */ - double T; /**< Transparency. */ - double F; /**< Proportion of filtered transparency. */ -} dmnsn_tcolor; - -/** A standard format string for colors. */ -#define DMNSN_TCOLOR_FORMAT "TColor<%g, %g, %g, %g, %g>" -/** The appropriate arguements to printf() a color. */ -#define DMNSN_TCOLOR_PRINTF(tc) (tc).c.R, (tc).c.G, (tc).c.B, (tc).T, (tc).F - -/** Create a tcolor. */ -DMNSN_INLINE dmnsn_tcolor -dmnsn_new_tcolor(dmnsn_color c, double T, double F) -{ - dmnsn_tcolor ret = { c, T, F }; - return ret; -} - -/** Convert a dmnsn_color into a dmnsn_tcolor. */ -#define DMNSN_TCOLOR(c) dmnsn_new_tcolor(c, 0.0, 0.0) - -/** Create a tcolor with individually-specified components. */ -DMNSN_INLINE dmnsn_tcolor -dmnsn_new_tcolor5(double R, double G, double B, double T, double F) -{ - dmnsn_tcolor ret = { dmnsn_new_color(R, G, B), T, F }; - return ret; -} - -/** Return the color at \p n on a gradient from \p c1 at 0 to \p c2 at 1. */ -DMNSN_INLINE dmnsn_tcolor -dmnsn_tcolor_gradient(dmnsn_tcolor c1, dmnsn_tcolor c2, double n) -{ - return dmnsn_new_tcolor( - dmnsn_color_gradient(c1.c, c2.c, n), - n*(c2.T - c1.T) + c1.T, - n*(c2.F - c1.F) + c1.F - ); -} - -/** Filter \p light through \p filter. */ -DMNSN_INLINE dmnsn_color -dmnsn_tcolor_filter(dmnsn_color light, dmnsn_tcolor filter) -{ - dmnsn_color filtered = - dmnsn_color_mul(filter.T*filter.F, dmnsn_color_illuminate(light, filter.c)); - dmnsn_color transmitted = dmnsn_color_mul(filter.T*(1.0 - filter.F), light); - return dmnsn_color_add(filtered, transmitted); -} - -/** Remove the filtered component of a tcolor. */ -DMNSN_INLINE dmnsn_tcolor -dmnsn_tcolor_remove_filter(dmnsn_tcolor tcolor) -{ - double intensity = dmnsn_color_intensity(tcolor.c); - double newtrans = (1.0 - (1.0 - intensity)*tcolor.F)*tcolor.T; - if (1.0 - newtrans >= dmnsn_epsilon) { - tcolor.c = dmnsn_color_mul((1.0 - tcolor.T)/(1.0 - newtrans), tcolor.c); - } - tcolor.T = newtrans; - tcolor.F = 0.0; - return tcolor; -} - -/** Saturate the tcolor components to [0.0, 1.0]. */ -DMNSN_INLINE dmnsn_tcolor -dmnsn_tcolor_clamp(dmnsn_tcolor tcolor) -{ - tcolor.c = dmnsn_color_clamp(tcolor.c); - tcolor.T = dmnsn_clamp(tcolor.T, 0.0, 1.0); - tcolor.F = dmnsn_clamp(tcolor.F, 0.0, 1.0); - return tcolor; -} - -/** Return whether a tcolor contains any NaN components. */ -DMNSN_INLINE bool -dmnsn_tcolor_isnan(dmnsn_tcolor tcolor) -{ - return dmnsn_color_isnan(tcolor.c) || dmnsn_isnan(tcolor.T) || dmnsn_isnan(tcolor.F); -} - -/* Standard tcolors */ - -/** Clear. */ -#define dmnsn_clear dmnsn_new_tcolor5(0.0, 0.0, 0.0, 1.0, 0.0) -- cgit v1.2.3