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authorMattias Andrée <maandree@kth.se>2016-07-16 19:28:39 +0200
committerMattias Andrée <maandree@kth.se>2016-07-16 19:28:39 +0200
commit0c0d0ca0da8060484ab5f41a6ee73087755a69e3 (patch)
treedd455f5a29edba440f2194a60fc06f0ceed8f397 /src/ramps.c
parentattributes (diff)
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Restructure
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/ramps.c')
-rw-r--r--src/ramps.c165
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();
- }
-}
-