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Diffstat (limited to 'tikzit-1/src/common/RColor.h')
-rw-r--r-- | tikzit-1/src/common/RColor.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tikzit-1/src/common/RColor.h b/tikzit-1/src/common/RColor.h new file mode 100644 index 0000000..7f22547 --- /dev/null +++ b/tikzit-1/src/common/RColor.h @@ -0,0 +1,50 @@ +/* + * Copyright 2011 Alex Merry <alex.merry@kdemail.net> + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#import <Foundation/Foundation.h> + +#ifndef CGFloat +#define CGFloat float +#endif + +/** + * A lightweight color structure used by RenderContext + * + * This is mainly to avoid the overhead of ColorRGB when + * rendering things not based on a NodeStyle + * + * All values range from 0.0f to 1.0f. + */ +typedef struct { + CGFloat red; + CGFloat green; + CGFloat blue; + CGFloat alpha; +} +RColor; + +/** Solid white */ +static const RColor WhiteRColor __attribute__((unused)) = {1.0, 1.0, 1.0, 1.0}; +/** Solid black */ +static const RColor BlackRColor __attribute__((unused)) = {0.0, 0.0, 0.0, 1.0}; + +/** Create a color with alpha set to 1.0 */ +RColor MakeSolidRColor (CGFloat red, CGFloat green, CGFloat blue); +/** Create a color */ +RColor MakeRColor (CGFloat red, CGFloat green, CGFloat blue, CGFloat alpha); + +// vi:ft=objc:noet:ts=4:sts=4:sw=4 |