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author | Mattias Andrée <maandree@kth.se> | 2016-07-16 19:28:39 +0200 |
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committer | Mattias Andrée <maandree@kth.se> | 2016-07-16 19:28:39 +0200 |
commit | 0c0d0ca0da8060484ab5f41a6ee73087755a69e3 (patch) | |
tree | dd455f5a29edba440f2194a60fc06f0ceed8f397 /src/ramps.c | |
parent | attributes (diff) | |
download | coopgammad-0c0d0ca0da8060484ab5f41a6ee73087755a69e3.tar.gz coopgammad-0c0d0ca0da8060484ab5f41a6ee73087755a69e3.tar.bz2 coopgammad-0c0d0ca0da8060484ab5f41a6ee73087755a69e3.tar.xz |
Restructure
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/ramps.c')
-rw-r--r-- | src/ramps.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/ramps.c b/src/ramps.c deleted file mode 100644 index 2b855a4..0000000 --- a/src/ramps.c +++ /dev/null @@ -1,165 +0,0 @@ -/** - * coopgammad -- Cooperative gamma server - * Copyright (C) 2016 Mattias Andrée (maandree@kth.se) - * - * 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 3 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/>. - */ -#include "ramps.h" - -#include <libclut.h> - -#include <errno.h> -#include <stdlib.h> -#include <string.h> - - - -/** - * The name of the process - */ -extern char* restrict argv0; - - - -/** - * Marshal a ramp trio - * - * @param this The ramps - * @param buf Output buffer for the marshalled ramps, - * `NULL` just measure how large the buffers - * needs to be - * @param ramps_size The byte-size of ramps - * @return The number of marshalled byte - */ -size_t gamma_ramps_marshal(const union gamma_ramps* restrict this, void* restrict buf, size_t ramps_size) -{ - if (buf != NULL) - memcpy(buf, this->u8.red, ramps_size); - return ramps_size; -} - - -/** - * Unmarshal a ramp trio - * - * @param this Output for the ramps, `.red_size`, `.green_size`, - * and `.blue_size` must already be set - * @param buf Buffer with the marshalled ramps - * @param ramps_size The byte-size of ramps - * @return The number of unmarshalled bytes, 0 on error - */ -size_t gamma_ramps_unmarshal(union gamma_ramps* restrict this, const void* restrict buf, size_t ramps_size) -{ - size_t depth = ramps_size / (this->u8.red_size + this->u8.green_size + this->u8.blue_size); - int r = 0; - switch (depth) - { - case 1: - r = libgamma_gamma_ramps8_initialise(&(this->u8)); - break; - case 2: - r = libgamma_gamma_ramps16_initialise(&(this->u16)); - break; - case 4: - r = libgamma_gamma_ramps32_initialise(&(this->u32)); - break; - case 8: - r = libgamma_gamma_ramps64_initialise(&(this->u64)); - break; - default: - if (depth == sizeof(float)) - r = libgamma_gamma_rampsf_initialise(&(this->f)); - else if (depth == sizeof(double)) - r = libgamma_gamma_rampsd_initialise(&(this->d)); - else - abort(); - break; - } - if (r) - { - libgamma_perror(argv0, r); - errno = 0; - return 0; - } - memcpy(this->u8.red, buf, ramps_size); - return ramps_size; -} - - -/** - * Apply a ramp-trio on top of another ramp-trio - * - * @param dest The output for the resulting ramp-trio, must be initialised - * @param application The red, green and blue ramps, as one single raw array, - * of the filter that should be applied - * @param depth -1: `float` stops - * -2: `double` stops - * Other: the number of bits of each (integral) stop - * @param base The CLUT on top of which the new filter should be applied, - * this can be the same pointer as `dest` - */ -void apply(union gamma_ramps* restrict dest, void* restrict application, - int depth, union gamma_ramps* restrict base) -{ - union gamma_ramps app; - size_t bytedepth; - size_t red_width, green_width, blue_width; - - if (depth == -1) - bytedepth = sizeof(float); - else if (depth == -2) - bytedepth = sizeof(double); - else - bytedepth = (size_t)depth / 8; - - red_width = (app.u8.red_size = base->u8.red_size) * bytedepth; - green_width = (app.u8.green_size = base->u8.green_size) * bytedepth; - blue_width = (app.u8.blue_size = base->u8.blue_size) * bytedepth; - - app.u8.red = application; - app.u8.green = app.u8.red + red_width; - app.u8.blue = app.u8.green + green_width; - - if (dest != base) - { - memcpy(dest->u8.red, base->u8.red, red_width); - memcpy(dest->u8.green, base->u8.green, green_width); - memcpy(dest->u8.blue, base->u8.blue, blue_width); - } - - switch (depth) - { - case 8: - libclut_apply(&(dest->u8), UINT8_MAX, uint8_t, &(app.u8), UINT8_MAX, uint8_t, 1, 1, 1); - break; - case 16: - libclut_apply(&(dest->u16), UINT16_MAX, uint16_t, &(app.u16), UINT16_MAX, uint16_t, 1, 1, 1); - break; - case 32: - libclut_apply(&(dest->u32), UINT32_MAX, uint32_t, &(app.u32), UINT32_MAX, uint32_t, 1, 1, 1); - break; - case 64: - libclut_apply(&(dest->u64), UINT64_MAX, uint64_t, &(app.u64), UINT64_MAX, uint64_t, 1, 1, 1); - break; - case -1: - libclut_apply(&(dest->f), 1.0f, float, &(app.d), 1.0f, float, 1, 1, 1); - break; - case -2: - libclut_apply(&(dest->d), (double)1, double, &(app.f), (double)1, double, 1, 1, 1); - break; - default: - abort(); - } -} - |