/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- * * Copyright (C) 2007-2008 Richard Hughes <richard@hughsie.com> * * Licensed under the GNU General Public License Version 2 * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include <glib.h> #include "egg-color.h" /** * egg_color_from_rgb: * @red: The red value * @green: The green value * @blue: The blue value **/ guint32 egg_color_from_rgb (guint8 red, guint8 green, guint8 blue) { guint32 color = 0; color += (guint32) red * 0x10000; color += (guint32) green * 0x100; color += (guint32) blue; return color; } /** * egg_color_to_rgb: * @red: The red value * @green: The green value * @blue: The blue value **/ void egg_color_to_rgb (guint32 color, guint8 *red, guint8 *green, guint8 *blue) { *red = (color & 0xff0000) / 0x10000; *green = (color & 0x00ff00) / 0x100; *blue = color & 0x0000ff; } /*************************************************************************** *** MAKE CHECK TESTS *** ***************************************************************************/ #ifdef EGG_TEST #include "egg-test.h" void egg_color_test (gpointer data) { guint8 r, g, b; guint32 color; EggTest *test = (EggTest *) data; if (egg_test_start (test, "EggColor") == FALSE) { return; } /************************************************************/ egg_test_title (test, "get red"); egg_color_to_rgb (0xff0000, &r, &g, &b); if (r == 255 && g == 0 && b == 0) { egg_test_success (test, "got red"); } else { egg_test_failed (test, "could not get red (%i, %i, %i)", r, g, b); } /************************************************************/ egg_test_title (test, "get green"); egg_color_to_rgb (0x00ff00, &r, &g, &b); if (r == 0 && g == 255 && b == 0) { egg_test_success (test, "got green"); } else { egg_test_failed (test, "could not get green (%i, %i, %i)", r, g, b); } /************************************************************/ egg_test_title (test, "get blue"); egg_color_to_rgb (0x0000ff, &r, &g, &b); if (r == 0 && g == 0 && b == 255) { egg_test_success (test, "got blue"); } else { egg_test_failed (test, "could not get blue (%i, %i, %i)", r, g, b); } /************************************************************/ egg_test_title (test, "get black"); egg_color_to_rgb (0x000000, &r, &g, &b); if (r == 0 && g == 0 && b == 0) { egg_test_success (test, "got black"); } else { egg_test_failed (test, "could not get black (%i, %i, %i)", r, g, b); } /************************************************************/ egg_test_title (test, "get white"); egg_color_to_rgb (0xffffff, &r, &g, &b); if (r == 255 && g == 255 && b == 255) { egg_test_success (test, "got white"); } else { egg_test_failed (test, "could not get white (%i, %i, %i)", r, g, b); } /************************************************************/ egg_test_title (test, "set red"); color = egg_color_from_rgb (0xff, 0x00, 0x00); if (color == 0xff0000) { egg_test_success (test, "set red"); } else { egg_test_failed (test, "could not set red (%i)", color); } /************************************************************/ egg_test_title (test, "set green"); color = egg_color_from_rgb (0x00, 0xff, 0x00); if (color == 0x00ff00) { egg_test_success (test, "set green"); } else { egg_test_failed (test, "could not set green (%i)", color); } /************************************************************/ egg_test_title (test, "set blue"); color = egg_color_from_rgb (0x00, 0x00, 0xff); if (color == 0x0000ff) { egg_test_success (test, "set blue"); } else { egg_test_failed (test, "could not set blue (%i)", color); } /************************************************************/ egg_test_title (test, "set white"); color = egg_color_from_rgb (0xff, 0xff, 0xff); if (color == 0xffffff) { egg_test_success (test, "set white"); } else { egg_test_failed (test, "could not set white (%i)", color); } egg_test_end (test); } #endif