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authorMattias Andrée <maandree@operamail.com>2014-06-01 21:30:28 +0200
committerMattias Andrée <maandree@operamail.com>2014-06-01 21:30:28 +0200
commitd7a1ff73731bb5244570394a23e56b575e9e82c3 (patch)
treeab682403173d6946109f5079fbfc9a0c21b8a7f6 /src
parentUse gpp in libgamma-facade (diff)
downloadlibgamma-d7a1ff73731bb5244570394a23e56b575e9e82c3.tar.gz
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m + reduce code duplication
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src')
-rw-r--r--src/lib/libgamma-facade.c.gpp488
-rw-r--r--src/lib/libgamma-facade.h50
2 files changed, 173 insertions, 365 deletions
diff --git a/src/lib/libgamma-facade.c.gpp b/src/lib/libgamma-facade.c.gpp
index 63ef04e..9c0c71e 100644
--- a/src/lib/libgamma-facade.c.gpp
+++ b/src/lib/libgamma-facade.c.gpp
@@ -23,10 +23,11 @@
#include "gamma-helper.h"
-£>set -u
+/* Initialise the general preprocessor. */
£>cd src/extract
£>export PATH=".:${PATH}"
+/* Some general preprocessor we will use frequently. */
£<
get-methods ()
{ ./libgamma-method-extract --list --method | cut -d _ -f 1,2 --complement
@@ -36,6 +37,8 @@ lowercase ()
}
£>
+/* Include all adjustment methods that
+ are enabled at compile-time. */
£>for method in $(get-methods); do
#ifdef HAVE_LIBGAMMA_METHOD_£{method}
# include "gamma-£(lowercase $method | sed -e s:_:-:g).h"
@@ -53,12 +56,10 @@ lowercase ()
#include <errno.h>
+/* Some things to reduce warnings when we do
+ not have any adjustment methods enabled. */
#ifndef HAVE_LIBGAMMA_METHODS
# define HAVE_NO_LIBGAMMA_METHODS
-#endif
-
-
-#ifdef HAVE_NO_LIBGAMMA_METHODS
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wsuggest-attribute=const"
#endif
@@ -78,12 +79,15 @@ static int libgamma_is_vt_proper(int fd)
char buf[32];
char digit0;
+ /* Get TTY. */
if (ttyname_r(fd, buf, sizeof(buf) / sizeof(char)))
return 0;
+ /* Validate TTY path. */
if (strstr(buf, "/dev/tty") != buf)
return 0;
+ /* Validate TTY name. */
digit0 = buf[strlen("/dev/tty")];
return ('1' <= digit0) && (digit0 <= '9');
}
@@ -293,6 +297,38 @@ const char* libgamma_method_default_site_variable(int method)
}
+£<switch ()
+ {
+ method="${1//./->}"
+ ctrl=$2
+ fun=$3
+ shift 3
+ params="${*}"
+£>params="${params// /, }"
+ switch (£{method})
+ {
+£>for adjmethod in $(get-methods); do
+#ifdef HAVE_LIBGAMMA_METHOD_£{adjmethod}
+ case LIBGAMMA_METHOD_£{adjmethod}:
+£>[ $ctrl = return ] &&
+ return
+ libgamma_£(lowercase $adjmethod)_£{fun}(£{params});
+£>[ ! $ctrl = return ] &&
+ break;
+#endif
+£>done
+
+ default:
+£>if [ $ctrl = return ]; then
+ return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
+£>else
+ /* Method does not exists/excluded at compile-time.
+ We will assume that this is not done... */
+ break;
+£>fi
+ }
+£>}
+
/**
* Initialise an allocated site state.
@@ -313,18 +349,7 @@ int libgamma_site_initialise(libgamma_site_state_t* restrict this,
{
this->method = method;
this->site = site;
-
- switch (method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- return libgamma_£(lowercase $method)_site_initialise(this, site);
-#endif
-£>done
- default:
- return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
- }
+£>switch method return site_initialise this site
}
@@ -335,20 +360,7 @@ int libgamma_site_initialise(libgamma_site_state_t* restrict this,
*/
void libgamma_site_destroy(libgamma_site_state_t* restrict this)
{
- switch (this->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- libgamma_£(lowercase $method)_site_destroy(this);
- break;
-#endif
-£>done
- default:
- /* Method does not exists/excluded at compile-time.
- We will assume that this is not done... */
- break;
- }
+£>switch this.method break site_destroy this
free(this->site);
}
@@ -375,17 +387,7 @@ void libgamma_site_free(libgamma_site_state_t* restrict this)
*/
int libgamma_site_restore(libgamma_site_state_t* restrict this)
{
- switch (this->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- return libgamma_£(lowercase $method)_site_restore(this);
-#endif
-£>done
- default:
- return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
- }
+£>switch this.method return site_restore this
}
@@ -404,18 +406,7 @@ int libgamma_partition_initialise(libgamma_partition_state_t* restrict this,
{
this->site = site;
this->partition = partition;
-
- switch (site->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- return libgamma_£(lowercase $method)_partition_initialise(this, site, partition);
-#endif
-£>done
- default:
- return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
- }
+£>switch site.method return partition_initialise this site partition
}
@@ -426,20 +417,7 @@ int libgamma_partition_initialise(libgamma_partition_state_t* restrict this,
*/
void libgamma_partition_destroy(libgamma_partition_state_t* restrict this)
{
- switch (this->site->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- libgamma_£(lowercase $method)_partition_destroy(this);
- break;
-#endif
-£>done
- default:
- /* Method does not exists/excluded at compile-time.
- We will assume that this is not done... */
- break;
- }
+£>switch this.site.method break partition_destroy this
}
@@ -465,17 +443,7 @@ void libgamma_partition_free(libgamma_partition_state_t* restrict this)
*/
int libgamma_partition_restore(libgamma_partition_state_t* restrict this)
{
- switch (this->site->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- return libgamma_£(lowercase $method)_partition_restore(this);
-#endif
-£>done
- default:
- return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
- }
+£>switch this.site.method return partition_restore this
}
@@ -494,18 +462,7 @@ int libgamma_crtc_initialise(libgamma_crtc_state_t* restrict this,
{
this->partition = partition;
this->crtc = crtc;
-
- switch (partition->site->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- return libgamma_£(lowercase $method)_crtc_initialise(this, partition, crtc);
-#endif
-£>done
- default:
- return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
- }
+£>switch partition.site.method return crtc_initialise this partition crtc
}
@@ -516,20 +473,7 @@ int libgamma_crtc_initialise(libgamma_crtc_state_t* restrict this,
*/
void libgamma_crtc_destroy(libgamma_crtc_state_t* restrict this)
{
- switch (this->partition->site->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- libgamma_£(lowercase $method)_crtc_destroy(this);
- break;
-#endif
-£>done
- default:
- /* Method does not exists/excluded at compile-time.
- We will assume that this is not done... */
- break;
- }
+£>switch this.partition.site.method break crtc_destroy this
}
@@ -555,17 +499,7 @@ void libgamma_crtc_free(libgamma_crtc_state_t* restrict this)
*/
int libgamma_crtc_restore(libgamma_crtc_state_t* restrict this)
{
- switch (this->partition->site->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- return libgamma_£(lowercase $method)_crtc_restore(this);
-#endif
-£>done
- default:
- return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
- }
+£>switch this.partition.site.method return crtc_restore this
}
@@ -584,21 +518,9 @@ int libgamma_get_crtc_information(libgamma_crtc_information_t* restrict this,
#ifdef HAVE_NO_LIBGAMMA_METHODS
(void) fields;
#endif
-
this->edid = NULL;
this->connector_name = NULL;
-
- switch (crtc->partition->site->method)
- {
-£>for method in $(get-methods); do
-#ifdef HAVE_LIBGAMMA_METHOD_£{method}
- case LIBGAMMA_METHOD_£{method}:
- return libgamma_£(lowercase $method)_get_crtc_information(this, crtc, fields);
-#endif
-£>done
- default:
- return LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD;
- }
+£>switch crtc.partition.site.method return get_crtc_information this crtc fields
}
@@ -628,14 +550,18 @@ void libgamma_crtc_information_free(libgamma_crtc_information_t* restrict this)
/**
- * Convert a raw representation of an EDID to a lowercase hexadecimal representation.
+ * Convert a raw representation of an EDID to a hexadecimal representation.
*
+ * @param 1 Casing name.
+ * @param 2 The hexadecimal alphabet.
* @param edid The EDID in raw representation.
* @param length The length of `edid`.
- * @retrun The EDID in lowercase hexadecimal representation,
+ * @retrun The EDID in hexadecimal representation,
* `NULL` on allocation error, `errno` will be set accordingly.
*/
-char* libgamma_behex_edid_lowercase(const unsigned char* restrict edid, size_t length)
+£>behex_edid ()
+£>{
+char* libgamma_behex_edid_£{1}(const unsigned char* restrict edid, size_t length)
{
char* restrict out = malloc((length * 2 + 1) * sizeof(char));
size_t i;
@@ -645,13 +571,25 @@ char* libgamma_behex_edid_lowercase(const unsigned char* restrict edid, size_t l
for (i = 0; i < length; i++)
{
- out[i * 2 + 0] = "0123456789abcdef"[(edid[i] >> 4) & 15];
- out[i * 2 + 1] = "0123456789abcdef"[(edid[i] >> 0) & 15];
+ out[i * 2 + 0] = "£{2}"[(edid[i] >> 4) & 15];
+ out[i * 2 + 1] = "£{2}"[(edid[i] >> 0) & 15];
}
out[length * 2] = '\0';
return out;
}
+£>}
+
+
+/**
+ * Convert a raw representation of an EDID to a lowercase hexadecimal representation.
+ *
+ * @param edid The EDID in raw representation.
+ * @param length The length of `edid`.
+ * @retrun The EDID in lowercase hexadecimal representation,
+ * `NULL` on allocation error, `errno` will be set accordingly.
+ */
+£>behex_edid lowercase 0123456789abcdef
/**
@@ -662,23 +600,7 @@ char* libgamma_behex_edid_lowercase(const unsigned char* restrict edid, size_t l
* @retrun The EDID in uppercase hexadecimal representation,
* NULL` on allocation error, `errno` will be set accordingly.
*/
-char* libgamma_behex_edid_uppercase(const unsigned char* restrict edid, size_t length)
-{
- char* restrict out = malloc((length * 2 + 1) * sizeof(char));
- size_t i;
-
- if (out == NULL)
- return NULL;
-
- for (i = 0; i < length; i++)
- {
- out[i * 2 + 0] = "0123456789ABCDEF"[(edid[i] >> 4) & 15];
- out[i * 2 + 1] = "0123456789ABCDEF"[(edid[i] >> 0) & 15];
- }
- out[length * 2] = '\0';
-
- return out;
-}
+£>behex_edid uppercase 0123456789ABCDEF
/**
@@ -1076,56 +998,84 @@ int libgamma_crtc_set_gamma_rampsd(libgamma_crtc_state_t* restrict this,
/**
- * Set the gamma ramps for a CRTC, 16-bit gamma-depth function version.
+ * Set the gamma ramps for a CRTC.
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param 1 The data type for the ramp stop elements.
+ * @param 2 The `ramp*` pattern for the ramp structure and function to call.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
-int libgamma_crtc_set_gamma_ramps_f(libgamma_crtc_state_t* restrict this,
- libgamma_gamma_ramps_fun* red_function,
- libgamma_gamma_ramps_fun* green_function,
- libgamma_gamma_ramps_fun* blue_function)
+£>crtc_set_gamma_ramps_f ()
+£>{
+int libgamma_crtc_set_gamma_£{2}_f(libgamma_crtc_state_t* restrict this,
+ libgamma_gamma_£{2}_fun* red_function,
+ libgamma_gamma_£{2}_fun* green_function,
+ libgamma_gamma_£{2}_fun* blue_function)
{
libgamma_crtc_information_t info;
- libgamma_gamma_ramps_t ramps;
+ libgamma_gamma_£{2}_t ramps;
size_t i, n;
int e;
+ /* Get the size of the gamma ramps. */
if (libgamma_get_crtc_information(&info, this, LIBGAMMA_CRTC_INFO_GAMMA_SIZE))
{
- e = info.gamma_size_error;
- if (e < 0)
+ if ((e = info.gamma_size_error) < 0)
return e;
return errno = e, LIBGAMMA_ERRNO_SET;
}
+ /* Copy the size of the gamma ramps and calculte the grand size. */
n = ramps. red_size = info. red_gamma_size;
n += ramps.green_size = info.green_gamma_size;
n += ramps. blue_size = info. blue_gamma_size;
- ramps. red = malloc(n * sizeof(uint16_t));
+ /* Allocate gamma ramps. */
+ ramps. red = malloc(n * sizeof(£{1}));
ramps.green = ramps. red + ramps. red_size;
ramps. blue = ramps.green + ramps.green_size;
if (ramps.red == NULL)
return LIBGAMMA_ERRNO_SET;
+ /* Generate the gamma ramp for the red chennel. */
for (i = 0, n = ramps.red_size; i < n; i++)
ramps.red[i] = red_function((float)i / (float)(n - 1));
+ /* Generate the gamma ramp for the green chennel. */
for (i = 0, n = ramps.green_size; i < n; i++)
ramps.green[i] = green_function((float)i / (float)(n - 1));
+ /* Generate the gamma ramp for the blue chennel. */
for (i = 0, n = ramps.blue_size; i < n; i++)
ramps.blue[i] = blue_function((float)i / (float)(n - 1));
- e = libgamma_crtc_set_gamma_ramps(this, ramps);
+ /* Apply the gamma ramps. */
+ e = libgamma_crtc_set_gamma_£{2}(this, ramps);
free(ramps.red);
return e;
}
+£>}
+
+
+/**
+ * Set the gamma ramps for a CRTC, 16-bit gamma-depth function version.
+ *
+ * Note that this will probably involve the library allocating temporary data.
+ *
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
+ */
+£>crtc_set_gamma_ramps_f uint16_t ramps
/**
@@ -1133,52 +1083,14 @@ int libgamma_crtc_set_gamma_ramps_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
-int libgamma_crtc_set_gamma_ramps32_f(libgamma_crtc_state_t* restrict this,
- libgamma_gamma_ramps32_fun* red_function,
- libgamma_gamma_ramps32_fun* green_function,
- libgamma_gamma_ramps32_fun* blue_function)
-{
- libgamma_crtc_information_t info;
- libgamma_gamma_ramps32_t ramps;
- size_t i, n;
- int e;
-
- if (libgamma_get_crtc_information(&info, this, LIBGAMMA_CRTC_INFO_GAMMA_SIZE))
- {
- e = info.gamma_size_error;
- if (e < 0)
- return e;
- return errno = e, LIBGAMMA_ERRNO_SET;
- }
-
- n = ramps. red_size = info. red_gamma_size;
- n += ramps.green_size = info.green_gamma_size;
- n += ramps. blue_size = info. blue_gamma_size;
-
- ramps. red = malloc(n * sizeof(uint32_t));
- ramps.green = ramps. red + ramps. red_size;
- ramps. blue = ramps.green + ramps.green_size;
- if (ramps.red == NULL)
- return LIBGAMMA_ERRNO_SET;
-
- for (i = 0, n = ramps.red_size; i < n; i++)
- ramps.red[i] = red_function((float)i / (float)(n - 1));
-
- for (i = 0, n = ramps.green_size; i < n; i++)
- ramps.green[i] = green_function((float)i / (float)(n - 1));
-
- for (i = 0, n = ramps.blue_size; i < n; i++)
- ramps.blue[i] = blue_function((float)i / (float)(n - 1));
-
- e = libgamma_crtc_set_gamma_ramps32(this, ramps);
- free(ramps.red);
- return e;
-}
+£>crtc_set_gamma_ramps_f uint32_t ramps32
/**
@@ -1186,52 +1098,14 @@ int libgamma_crtc_set_gamma_ramps32_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
-int libgamma_crtc_set_gamma_ramps64_f(libgamma_crtc_state_t* restrict this,
- libgamma_gamma_ramps64_fun* red_function,
- libgamma_gamma_ramps64_fun* green_function,
- libgamma_gamma_ramps64_fun* blue_function)
-{
- libgamma_crtc_information_t info;
- libgamma_gamma_ramps64_t ramps;
- size_t i, n;
- int e;
-
- if (libgamma_get_crtc_information(&info, this, LIBGAMMA_CRTC_INFO_GAMMA_SIZE))
- {
- e = info.gamma_size_error;
- if (e < 0)
- return e;
- return errno = e, LIBGAMMA_ERRNO_SET;
- }
-
- n = ramps. red_size = info. red_gamma_size;
- n += ramps.green_size = info.green_gamma_size;
- n += ramps. blue_size = info. blue_gamma_size;
-
- ramps. red = malloc(n * sizeof(uint64_t));
- ramps.green = ramps. red + ramps. red_size;
- ramps. blue = ramps.green + ramps.green_size;
- if (ramps.red == NULL)
- return LIBGAMMA_ERRNO_SET;
-
- for (i = 0, n = ramps.red_size; i < n; i++)
- ramps.red[i] = red_function((float)i / (float)(n - 1));
-
- for (i = 0, n = ramps.green_size; i < n; i++)
- ramps.green[i] = green_function((float)i / (float)(n - 1));
-
- for (i = 0, n = ramps.blue_size; i < n; i++)
- ramps.blue[i] = blue_function((float)i / (float)(n - 1));
-
- e = libgamma_crtc_set_gamma_ramps64(this, ramps);
- free(ramps.red);
- return e;
-}
+£>crtc_set_gamma_ramps_f uint64_t ramps64
/**
@@ -1239,52 +1113,14 @@ int libgamma_crtc_set_gamma_ramps64_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
-int libgamma_crtc_set_gamma_rampsf_f(libgamma_crtc_state_t* restrict this,
- libgamma_gamma_rampsf_fun* red_function,
- libgamma_gamma_rampsf_fun* green_function,
- libgamma_gamma_rampsf_fun* blue_function)
-{
- libgamma_crtc_information_t info;
- libgamma_gamma_rampsf_t ramps;
- size_t i, n;
- int e;
-
- if (libgamma_get_crtc_information(&info, this, LIBGAMMA_CRTC_INFO_GAMMA_SIZE))
- {
- e = info.gamma_size_error;
- if (e < 0)
- return e;
- return errno = e, LIBGAMMA_ERRNO_SET;
- }
-
- n = ramps. red_size = info. red_gamma_size;
- n += ramps.green_size = info.green_gamma_size;
- n += ramps. blue_size = info. blue_gamma_size;
-
- ramps. red = malloc(n * sizeof(float));
- ramps.green = ramps. red + ramps. red_size;
- ramps. blue = ramps.green + ramps.green_size;
- if (ramps.red == NULL)
- return LIBGAMMA_ERRNO_SET;
-
- for (i = 0, n = ramps.red_size; i < n; i++)
- ramps.red[i] = red_function((float)i / (float)(n - 1));
-
- for (i = 0, n = ramps.green_size; i < n; i++)
- ramps.green[i] = green_function((float)i / (float)(n - 1));
-
- for (i = 0, n = ramps.blue_size; i < n; i++)
- ramps.blue[i] = blue_function((float)i / (float)(n - 1));
-
- e = libgamma_crtc_set_gamma_rampsf(this, ramps);
- free(ramps.red);
- return e;
-}
+£>crtc_set_gamma_ramps_f float rampsf
/**
@@ -1292,52 +1128,14 @@ int libgamma_crtc_set_gamma_rampsf_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
-int libgamma_crtc_set_gamma_rampsd_f(libgamma_crtc_state_t* restrict this,
- libgamma_gamma_rampsd_fun* red_function,
- libgamma_gamma_rampsd_fun* green_function,
- libgamma_gamma_rampsd_fun* blue_function)
-{
- libgamma_crtc_information_t info;
- libgamma_gamma_rampsd_t ramps;
- size_t i, n;
- int e;
-
- if (libgamma_get_crtc_information(&info, this, LIBGAMMA_CRTC_INFO_GAMMA_SIZE))
- {
- e = info.gamma_size_error;
- if (e < 0)
- return e;
- return errno = e, LIBGAMMA_ERRNO_SET;
- }
-
- n = ramps. red_size = info. red_gamma_size;
- n += ramps.green_size = info.green_gamma_size;
- n += ramps. blue_size = info. blue_gamma_size;
-
- ramps. red = malloc(n * sizeof(double));
- ramps.green = ramps. red + ramps. red_size;
- ramps. blue = ramps.green + ramps.green_size;
- if (ramps.red == NULL)
- return LIBGAMMA_ERRNO_SET;
-
- for (i = 0, n = ramps.red_size; i < n; i++)
- ramps.red[i] = red_function((double)i / (double)(n - 1));
-
- for (i = 0, n = ramps.green_size; i < n; i++)
- ramps.green[i] = green_function((double)i / (double)(n - 1));
-
- for (i = 0, n = ramps.blue_size; i < n; i++)
- ramps.blue[i] = blue_function((double)i / (double)(n - 1));
-
- e = libgamma_crtc_set_gamma_rampsd(this, ramps);
- free(ramps.red);
- return e;
-}
+£>crtc_set_gamma_ramps_f double rampsd
diff --git a/src/lib/libgamma-facade.h b/src/lib/libgamma-facade.h
index fdf46ae..90019b3 100644
--- a/src/lib/libgamma-facade.h
+++ b/src/lib/libgamma-facade.h
@@ -435,10 +435,12 @@ int libgamma_crtc_set_gamma_rampsd(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
int libgamma_crtc_set_gamma_ramps_f(libgamma_crtc_state_t* restrict this,
libgamma_gamma_ramps_fun* red_function,
@@ -450,10 +452,12 @@ int libgamma_crtc_set_gamma_ramps_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
int libgamma_crtc_set_gamma_ramps32_f(libgamma_crtc_state_t* restrict this,
libgamma_gamma_ramps32_fun* red_function,
@@ -465,10 +469,12 @@ int libgamma_crtc_set_gamma_ramps32_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
int libgamma_crtc_set_gamma_ramps64_f(libgamma_crtc_state_t* restrict this,
libgamma_gamma_ramps64_fun* red_function,
@@ -480,10 +486,12 @@ int libgamma_crtc_set_gamma_ramps64_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
int libgamma_crtc_set_gamma_rampsf_f(libgamma_crtc_state_t* restrict this,
libgamma_gamma_rampsf_fun* red_function,
@@ -495,10 +503,12 @@ int libgamma_crtc_set_gamma_rampsf_f(libgamma_crtc_state_t* restrict this,
*
* Note that this will probably involve the library allocating temporary data.
*
- * @param this The CRTC state.
- * @param ramps The gamma ramps to apply.
- * @return Zero on success, otherwise (negative) the value of an
- * error identifier provided by this library.
+ * @param this The CRTC state.
+ * @param red_function The function that generates the the gamma ramp for the red channel.
+ * @param green_function The function that generates the the gamma ramp for the green channel.
+ * @param blue_function The function that generates the the gamma ramp for the blue channel.
+ * @return Zero on success, otherwise (negative) the value of an
+ * error identifier provided by this library.
*/
int libgamma_crtc_set_gamma_rampsd_f(libgamma_crtc_state_t* restrict this,
libgamma_gamma_rampsd_fun* red_function,