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author | Mattias Andrée <maandree@member.fsf.org> | 2016-01-02 07:19:16 +0100 |
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committer | Mattias Andrée <maandree@member.fsf.org> | 2016-01-02 07:19:16 +0100 |
commit | b841ac15a3a39532c6f48d921d0817bd61b80f55 (patch) | |
tree | 76ca4d5611f7a67a57a85b344fec42a48dfa48b9 /src/blackbody.h | |
parent | parser for 10deg (diff) | |
download | radharc-b841ac15a3a39532c6f48d921d0817bd61b80f55.tar.gz radharc-b841ac15a3a39532c6f48d921d0817bd61b80f55.tar.bz2 radharc-b841ac15a3a39532c6f48d921d0817bd61b80f55.tar.xz |
blackbody
Signed-off-by: Mattias Andrée <maandree@member.fsf.org>
Diffstat (limited to '')
-rw-r--r-- | src/blackbody.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/blackbody.h b/src/blackbody.h new file mode 100644 index 0000000..832305c --- /dev/null +++ b/src/blackbody.h @@ -0,0 +1,38 @@ +/** + * Copyright © 2016 Mattias Andrée <maandree@member.fsf.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + + +/** + * Get the [0, 1] sRGB values of a colour temperature. + * + * @param fd File descriptor for the colour table. + * @param temp The desired colour temperature. + * @param r Output parameter for the “red” value. + * @param g Output parameter for the green value. + * @param b Output parameter for the blue value. + * @return 0 on succeess, -1 on error. + * + * @throws 0 The file did not have the expected size. + * @throws EDOM The selected temperature is below 1000 K. + */ +int get_colour(int fd, int temp, double *r, double *g, double *b); + |