1669 lines
49 KiB
C
1669 lines
49 KiB
C
/* PIKA - Photo and Image Kooker Application
|
|
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
|
|
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
|
|
*
|
|
* Original copyright, applying to most contents (license remains unchanged):
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* pika-babl.c
|
|
* Copyright (C) 2012 Michael Natterer <mitch@gimp.org>
|
|
*
|
|
* 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 <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include <cairo.h>
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
#include <gegl.h>
|
|
|
|
#include "libpikacolor/pikacolor.h"
|
|
|
|
#include "pika-gegl-types.h"
|
|
|
|
#include "pika-babl.h"
|
|
|
|
#include "pika-intl.h"
|
|
|
|
|
|
void
|
|
pika_babl_init (void)
|
|
{
|
|
static const gchar *babl_types[] =
|
|
{
|
|
"u8",
|
|
"u16",
|
|
"u32",
|
|
"half",
|
|
"float",
|
|
"double"
|
|
};
|
|
|
|
gint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (babl_types); i++)
|
|
{
|
|
gchar name[16];
|
|
|
|
g_snprintf (name, sizeof (name), "R %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("RGBA"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("R"),
|
|
NULL);
|
|
g_snprintf (name, sizeof (name), "R' %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("R'G'B'A"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("R'"),
|
|
NULL);
|
|
g_snprintf (name, sizeof (name), "R~ %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("R~G~B~A"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("R~"),
|
|
NULL);
|
|
|
|
g_snprintf (name, sizeof (name), "G %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("RGBA"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("G"),
|
|
NULL);
|
|
g_snprintf (name, sizeof (name), "G' %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("R'G'B'A"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("G'"),
|
|
NULL);
|
|
g_snprintf (name, sizeof (name), "G~ %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("R~G~B~A"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("G~"),
|
|
NULL);
|
|
|
|
g_snprintf (name, sizeof (name), "B %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("RGBA"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("B"),
|
|
NULL);
|
|
g_snprintf (name, sizeof (name), "B' %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("R'G'B'A"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("B'"),
|
|
NULL);
|
|
g_snprintf (name, sizeof (name), "B~ %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("R~G~B~A"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("B~"),
|
|
NULL);
|
|
|
|
g_snprintf (name, sizeof (name), "A %s", babl_types[i]);
|
|
babl_format_new ("name", name,
|
|
babl_model ("RGBA"),
|
|
babl_type (babl_types[i]),
|
|
babl_component ("A"),
|
|
NULL);
|
|
}
|
|
}
|
|
|
|
void
|
|
pika_babl_init_fishes (PikaInitStatusFunc status_callback)
|
|
{
|
|
/* create a bunch of fishes - to decrease the initial lazy
|
|
* initialization cost for some interactions
|
|
*/
|
|
static const struct
|
|
{
|
|
const gchar *from_format;
|
|
const gchar *to_format;
|
|
}
|
|
fishes[] =
|
|
{
|
|
{ "Y' u8", "RaGaBaA float" },
|
|
{ "Y u8", "RaGaBaA float" },
|
|
{ "R'G'B'A u8", "RaGaBaA float" },
|
|
{ "R'G'B'A float", "R'G'B'A u8" },
|
|
{ "R'G'B'A float", "R'G'B' u8" },
|
|
{ "R'G'B'A u8", "RGBA float" },
|
|
{ "RGBA float", "R'G'B'A u8" },
|
|
{ "RGBA float", "R'G'B'A u8" },
|
|
{ "RGBA float", "R'G'B'A float" },
|
|
{ "Y' u8", "R'G'B' u8" },
|
|
{ "Y u8", "Y float" },
|
|
{ "R'G'B' u8", "cairo-RGB24" },
|
|
{ "R'G'B' u8", "R'G'B'A float" },
|
|
{ "R'G'B' u8", "R'G'B'A u8" },
|
|
{ "R'G'B'A u8", "R'G'B'A float" },
|
|
{ "R'G'B'A u8", "cairo-ARGB32" },
|
|
{ "R'G'B'A double", "RGBA float" },
|
|
{ "R'G'B'A float", "RGBA double" },
|
|
{ "R'G'B' u8", "RGB float" },
|
|
{ "RGB float", "R'G'B'A float" },
|
|
{ "R'G'B' u8", "RGBA float" },
|
|
{ "RaGaBaA float", "R'G'B'A float" },
|
|
{ "RaGaBaA float", "RGBA float" },
|
|
{ "RGBA float", "RaGaBaA float" },
|
|
{ "R'G'B' u8", "RaGaBaA float" },
|
|
{ "cairo-ARGB32", "R'G'B'A u8" }
|
|
};
|
|
|
|
gint i;
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (fishes); i++)
|
|
{
|
|
status_callback (NULL, NULL,
|
|
(gdouble) (i + 1) /
|
|
(gdouble) G_N_ELEMENTS (fishes) * 0.8);
|
|
|
|
babl_fish (babl_format (fishes[i].from_format),
|
|
babl_format (fishes[i].to_format));
|
|
}
|
|
}
|
|
|
|
static const struct
|
|
{
|
|
const gchar *name;
|
|
const gchar *description;
|
|
}
|
|
babl_descriptions[] =
|
|
{
|
|
{ "RGB u8", N_("RGB") },
|
|
{ "R'G'B' u8", N_("RGB") },
|
|
{ "R~G~B~ u8", N_("RGB") },
|
|
{ "RGB u16", N_("RGB") },
|
|
{ "R'G'B' u16", N_("RGB") },
|
|
{ "R~G~B~ u16", N_("RGB") },
|
|
{ "RGB u32", N_("RGB") },
|
|
{ "R'G'B' u32", N_("RGB") },
|
|
{ "R~G~B~ u32", N_("RGB") },
|
|
{ "RGB half", N_("RGB") },
|
|
{ "R'G'B' half", N_("RGB") },
|
|
{ "R~G~B~ half", N_("RGB") },
|
|
{ "RGB float", N_("RGB") },
|
|
{ "R'G'B' float", N_("RGB") },
|
|
{ "R~G~B~ float", N_("RGB") },
|
|
{ "RGB double", N_("RGB") },
|
|
{ "R'G'B' double", N_("RGB") },
|
|
{ "R~G~B~ double", N_("RGB") },
|
|
|
|
{ "RGBA u8", N_("RGB-alpha") },
|
|
{ "R'G'B'A u8", N_("RGB-alpha") },
|
|
{ "R~G~B~A u8", N_("RGB-alpha") },
|
|
{ "RGBA u16", N_("RGB-alpha") },
|
|
{ "R'G'B'A u16", N_("RGB-alpha") },
|
|
{ "R~G~B~A u16", N_("RGB-alpha") },
|
|
{ "RGBA u32", N_("RGB-alpha") },
|
|
{ "R'G'B'A u32", N_("RGB-alpha") },
|
|
{ "R~G~B~A u32", N_("RGB-alpha") },
|
|
{ "RGBA half", N_("RGB-alpha") },
|
|
{ "R'G'B'A half", N_("RGB-alpha") },
|
|
{ "R~G~B~A half", N_("RGB-alpha") },
|
|
{ "RGBA float", N_("RGB-alpha") },
|
|
{ "R'G'B'A float", N_("RGB-alpha") },
|
|
{ "R~G~B~A float", N_("RGB-alpha") },
|
|
{ "RGBA double", N_("RGB-alpha") },
|
|
{ "R'G'B'A double", N_("RGB-alpha") },
|
|
{ "R~G~B~A double", N_("RGB-alpha") },
|
|
|
|
{ "Y u8", N_("Grayscale") },
|
|
{ "Y' u8", N_("Grayscale") },
|
|
{ "Y~ u8", N_("Grayscale") },
|
|
{ "Y u16", N_("Grayscale") },
|
|
{ "Y' u16", N_("Grayscale") },
|
|
{ "Y~ u16", N_("Grayscale") },
|
|
{ "Y u32", N_("Grayscale") },
|
|
{ "Y' u32", N_("Grayscale") },
|
|
{ "Y~ u32", N_("Grayscale") },
|
|
{ "Y half", N_("Grayscale") },
|
|
{ "Y' half", N_("Grayscale") },
|
|
{ "Y~ half", N_("Grayscale") },
|
|
{ "Y float", N_("Grayscale") },
|
|
{ "Y' float", N_("Grayscale") },
|
|
{ "Y~ float", N_("Grayscale") },
|
|
{ "Y double", N_("Grayscale") },
|
|
{ "Y' double", N_("Grayscale") },
|
|
{ "Y~ double", N_("Grayscale") },
|
|
|
|
{ "YA u8", N_("Grayscale-alpha") },
|
|
{ "Y'A u8", N_("Grayscale-alpha") },
|
|
{ "Y~A u8", N_("Grayscale-alpha") },
|
|
{ "YA u16", N_("Grayscale-alpha") },
|
|
{ "Y'A u16", N_("Grayscale-alpha") },
|
|
{ "Y~A u16", N_("Grayscale-alpha") },
|
|
{ "YA u32", N_("Grayscale-alpha") },
|
|
{ "Y'A u32", N_("Grayscale-alpha") },
|
|
{ "Y~A u32", N_("Grayscale-alpha") },
|
|
{ "YA half", N_("Grayscale-alpha") },
|
|
{ "Y'A half", N_("Grayscale-alpha") },
|
|
{ "Y~A half", N_("Grayscale-alpha") },
|
|
{ "YA float", N_("Grayscale-alpha") },
|
|
{ "Y'A float", N_("Grayscale-alpha") },
|
|
{ "Y~A float", N_("Grayscale-alpha") },
|
|
{ "YA double", N_("Grayscale-alpha") },
|
|
{ "Y'A double", N_("Grayscale-alpha") },
|
|
{ "Y~A double", N_("Grayscale-alpha") },
|
|
|
|
{ "R u8", N_("Red component") },
|
|
{ "R' u8", N_("Red component") },
|
|
{ "R~ u8", N_("Red component") },
|
|
{ "R u16", N_("Red component") },
|
|
{ "R' u16", N_("Red component") },
|
|
{ "R~ u16", N_("Red component") },
|
|
{ "R u32", N_("Red component") },
|
|
{ "R' u32", N_("Red component") },
|
|
{ "R~ u32", N_("Red component") },
|
|
{ "R half", N_("Red component") },
|
|
{ "R' half", N_("Red component") },
|
|
{ "R~ half", N_("Red component") },
|
|
{ "R float", N_("Red component") },
|
|
{ "R' float", N_("Red component") },
|
|
{ "R~ float", N_("Red component") },
|
|
{ "R double", N_("Red component") },
|
|
{ "R' double", N_("Red component") },
|
|
{ "R~ double", N_("Red component") },
|
|
|
|
{ "G u8", N_("Green component") },
|
|
{ "G' u8", N_("Green component") },
|
|
{ "G~ u8", N_("Green component") },
|
|
{ "G u16", N_("Green component") },
|
|
{ "G' u16", N_("Green component") },
|
|
{ "G~ u16", N_("Green component") },
|
|
{ "G u32", N_("Green component") },
|
|
{ "G' u32", N_("Green component") },
|
|
{ "G~ u32", N_("Green component") },
|
|
{ "G half", N_("Green component") },
|
|
{ "G' half", N_("Green component") },
|
|
{ "G~ half", N_("Green component") },
|
|
{ "G float", N_("Green component") },
|
|
{ "G' float", N_("Green component") },
|
|
{ "G~ float", N_("Green component") },
|
|
{ "G double", N_("Green component") },
|
|
{ "G' double", N_("Green component") },
|
|
{ "G~ double", N_("Green component") },
|
|
|
|
{ "B u8", N_("Blue component") },
|
|
{ "B' u8", N_("Blue component") },
|
|
{ "B~ u8", N_("Blue component") },
|
|
{ "B u16", N_("Blue component") },
|
|
{ "B' u16", N_("Blue component") },
|
|
{ "B~ u16", N_("Blue component") },
|
|
{ "B u32", N_("Blue component") },
|
|
{ "B' u32", N_("Blue component") },
|
|
{ "B~ u32", N_("Blue component") },
|
|
{ "B half", N_("Blue component") },
|
|
{ "B' half", N_("Blue component") },
|
|
{ "B~ half", N_("Blue component") },
|
|
{ "B float", N_("Blue component") },
|
|
{ "B' float", N_("Blue component") },
|
|
{ "B~ float", N_("Blue component") },
|
|
{ "B double", N_("Blue component") },
|
|
{ "B' double", N_("Blue component") },
|
|
{ "B~ double", N_("Blue component") },
|
|
|
|
{ "A u8", N_("Alpha component") },
|
|
{ "A u16", N_("Alpha component") },
|
|
{ "A u32", N_("Alpha component") },
|
|
{ "A half", N_("Alpha component") },
|
|
{ "A float", N_("Alpha component") },
|
|
{ "A double", N_("Alpha component") }
|
|
};
|
|
|
|
static GHashTable *babl_description_hash = NULL;
|
|
|
|
const gchar *
|
|
pika_babl_format_get_description (const Babl *babl)
|
|
{
|
|
const gchar *description;
|
|
|
|
g_return_val_if_fail (babl != NULL, NULL);
|
|
|
|
if (G_UNLIKELY (! babl_description_hash))
|
|
{
|
|
gint i;
|
|
|
|
babl_description_hash = g_hash_table_new (g_str_hash,
|
|
g_str_equal);
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (babl_descriptions); i++)
|
|
g_hash_table_insert (babl_description_hash,
|
|
(gpointer) babl_descriptions[i].name,
|
|
gettext (babl_descriptions[i].description));
|
|
}
|
|
|
|
if (babl_format_is_palette (babl))
|
|
{
|
|
if (babl_format_has_alpha (babl))
|
|
return _("Indexed-alpha");
|
|
else
|
|
return _("Indexed");
|
|
}
|
|
|
|
description = g_hash_table_lookup (babl_description_hash,
|
|
babl_format_get_encoding (babl));
|
|
|
|
if (description)
|
|
return description;
|
|
|
|
return g_strconcat ("ERROR: unknown Babl format ",
|
|
babl_format_get_encoding (babl), NULL);
|
|
}
|
|
|
|
PikaColorProfile *
|
|
pika_babl_get_builtin_color_profile (PikaImageBaseType base_type,
|
|
PikaTRCType trc)
|
|
{
|
|
static PikaColorProfile *srgb_profile = NULL;
|
|
static PikaColorProfile *linear_rgb_profile = NULL;
|
|
static PikaColorProfile *gray_profile = NULL;
|
|
static PikaColorProfile *linear_gray_profile = NULL;
|
|
|
|
if (base_type == PIKA_GRAY)
|
|
{
|
|
if (trc == PIKA_TRC_LINEAR)
|
|
{
|
|
if (! linear_gray_profile)
|
|
{
|
|
g_set_weak_pointer (&linear_gray_profile,
|
|
pika_color_profile_new_d65_gray_linear ());
|
|
}
|
|
|
|
return linear_gray_profile;
|
|
}
|
|
else
|
|
{
|
|
if (! gray_profile)
|
|
{
|
|
g_set_weak_pointer (&gray_profile,
|
|
pika_color_profile_new_d65_gray_srgb_trc ());
|
|
}
|
|
|
|
return gray_profile;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (trc == PIKA_TRC_LINEAR)
|
|
{
|
|
if (! linear_rgb_profile)
|
|
{
|
|
g_set_weak_pointer (&linear_rgb_profile,
|
|
pika_color_profile_new_rgb_srgb_linear ());
|
|
}
|
|
|
|
return linear_rgb_profile;
|
|
}
|
|
else
|
|
{
|
|
if (! srgb_profile)
|
|
{
|
|
g_set_weak_pointer (&srgb_profile,
|
|
pika_color_profile_new_rgb_srgb ());
|
|
}
|
|
|
|
return srgb_profile;
|
|
}
|
|
}
|
|
}
|
|
|
|
PikaColorProfile *
|
|
pika_babl_format_get_color_profile (const Babl *format)
|
|
{
|
|
const Babl *non_linear_format;
|
|
const gchar *icc;
|
|
gint icc_len;
|
|
PikaColorProfile *profile;
|
|
PikaColorProfile *retval = NULL;
|
|
|
|
g_return_val_if_fail (format != NULL, NULL);
|
|
|
|
if (pika_babl_format_get_trc (format) == PIKA_TRC_NON_LINEAR)
|
|
{
|
|
non_linear_format = format;
|
|
}
|
|
else
|
|
{
|
|
PikaImageBaseType base_type = PIKA_RGB;
|
|
PikaComponentType component_type;
|
|
|
|
switch (pika_babl_format_get_base_type (format))
|
|
{
|
|
case PIKA_RGB:
|
|
case PIKA_INDEXED:
|
|
base_type = PIKA_RGB;
|
|
break;
|
|
|
|
case PIKA_GRAY:
|
|
base_type = PIKA_GRAY;
|
|
break;
|
|
}
|
|
|
|
component_type = pika_babl_format_get_component_type (format);
|
|
|
|
non_linear_format =
|
|
pika_babl_format (base_type,
|
|
pika_babl_precision (component_type,
|
|
PIKA_TRC_NON_LINEAR),
|
|
babl_format_has_alpha (format),
|
|
babl_format_get_space (format));
|
|
}
|
|
|
|
icc = babl_space_get_icc (babl_format_get_space (non_linear_format),
|
|
&icc_len);
|
|
|
|
profile = pika_color_profile_new_from_icc_profile ((const guint8 *) icc,
|
|
icc_len, NULL);
|
|
|
|
switch (pika_babl_format_get_trc (format))
|
|
{
|
|
case PIKA_TRC_LINEAR:
|
|
retval = pika_color_profile_new_linear_from_color_profile (profile);
|
|
break;
|
|
|
|
case PIKA_TRC_NON_LINEAR:
|
|
retval = g_object_ref (profile);
|
|
break;
|
|
|
|
case PIKA_TRC_PERCEPTUAL:
|
|
retval = pika_color_profile_new_srgb_trc_from_color_profile (profile);
|
|
break;
|
|
}
|
|
|
|
g_object_unref (profile);
|
|
|
|
return retval;
|
|
}
|
|
|
|
PikaImageBaseType
|
|
pika_babl_format_get_base_type (const Babl *format)
|
|
{
|
|
const gchar *name;
|
|
|
|
g_return_val_if_fail (format != NULL, -1);
|
|
|
|
name = babl_get_name (babl_format_get_model (format));
|
|
|
|
if (! strcmp (name, "Y") ||
|
|
! strcmp (name, "Y'") ||
|
|
! strcmp (name, "Y~") ||
|
|
! strcmp (name, "YA") ||
|
|
! strcmp (name, "Y'A") ||
|
|
! strcmp (name, "Y~A"))
|
|
{
|
|
return PIKA_GRAY;
|
|
}
|
|
else if (! strcmp (name, "RGB") ||
|
|
! strcmp (name, "R'G'B'") ||
|
|
! strcmp (name, "R~G~B~") ||
|
|
! strcmp (name, "RGBA") ||
|
|
! strcmp (name, "R'G'B'A") ||
|
|
! strcmp (name, "R~G~B~A") ||
|
|
! strcmp (name, "RaGaBaA") ||
|
|
! strcmp (name, "R'aG'aB'aA") ||
|
|
! strcmp (name, "R~aG~aB~aA"))
|
|
{
|
|
return PIKA_RGB;
|
|
}
|
|
else if (babl_format_is_palette (format))
|
|
{
|
|
return PIKA_INDEXED;
|
|
}
|
|
|
|
g_return_val_if_reached (-1);
|
|
}
|
|
|
|
PikaComponentType
|
|
pika_babl_format_get_component_type (const Babl *format)
|
|
{
|
|
const Babl *type;
|
|
|
|
g_return_val_if_fail (format != NULL, -1);
|
|
|
|
type = babl_format_get_type (format, 0);
|
|
|
|
if (type == babl_type ("u8"))
|
|
return PIKA_COMPONENT_TYPE_U8;
|
|
else if (type == babl_type ("u16"))
|
|
return PIKA_COMPONENT_TYPE_U16;
|
|
else if (type == babl_type ("u32"))
|
|
return PIKA_COMPONENT_TYPE_U32;
|
|
else if (type == babl_type ("half"))
|
|
return PIKA_COMPONENT_TYPE_HALF;
|
|
else if (type == babl_type ("float"))
|
|
return PIKA_COMPONENT_TYPE_FLOAT;
|
|
else if (type == babl_type ("double"))
|
|
return PIKA_COMPONENT_TYPE_DOUBLE;
|
|
|
|
g_return_val_if_reached (-1);
|
|
}
|
|
|
|
PikaPrecision
|
|
pika_babl_format_get_precision (const Babl *format)
|
|
{
|
|
const Babl *type;
|
|
|
|
g_return_val_if_fail (format != NULL, -1);
|
|
|
|
type = babl_format_get_type (format, 0);
|
|
|
|
switch (pika_babl_format_get_trc (format))
|
|
{
|
|
case PIKA_TRC_LINEAR:
|
|
if (type == babl_type ("u8"))
|
|
return PIKA_PRECISION_U8_LINEAR;
|
|
else if (type == babl_type ("u16"))
|
|
return PIKA_PRECISION_U16_LINEAR;
|
|
else if (type == babl_type ("u32"))
|
|
return PIKA_PRECISION_U32_LINEAR;
|
|
else if (type == babl_type ("half"))
|
|
return PIKA_PRECISION_HALF_LINEAR;
|
|
else if (type == babl_type ("float"))
|
|
return PIKA_PRECISION_FLOAT_LINEAR;
|
|
else if (type == babl_type ("double"))
|
|
return PIKA_PRECISION_DOUBLE_LINEAR;
|
|
break;
|
|
|
|
case PIKA_TRC_NON_LINEAR:
|
|
if (type == babl_type ("u8"))
|
|
return PIKA_PRECISION_U8_NON_LINEAR;
|
|
else if (type == babl_type ("u16"))
|
|
return PIKA_PRECISION_U16_NON_LINEAR;
|
|
else if (type == babl_type ("u32"))
|
|
return PIKA_PRECISION_U32_NON_LINEAR;
|
|
else if (type == babl_type ("half"))
|
|
return PIKA_PRECISION_HALF_NON_LINEAR;
|
|
else if (type == babl_type ("float"))
|
|
return PIKA_PRECISION_FLOAT_NON_LINEAR;
|
|
else if (type == babl_type ("double"))
|
|
return PIKA_PRECISION_DOUBLE_NON_LINEAR;
|
|
break;
|
|
|
|
case PIKA_TRC_PERCEPTUAL:
|
|
if (type == babl_type ("u8"))
|
|
return PIKA_PRECISION_U8_PERCEPTUAL;
|
|
else if (type == babl_type ("u16"))
|
|
return PIKA_PRECISION_U16_PERCEPTUAL;
|
|
else if (type == babl_type ("u32"))
|
|
return PIKA_PRECISION_U32_PERCEPTUAL;
|
|
else if (type == babl_type ("half"))
|
|
return PIKA_PRECISION_HALF_PERCEPTUAL;
|
|
else if (type == babl_type ("float"))
|
|
return PIKA_PRECISION_FLOAT_PERCEPTUAL;
|
|
else if (type == babl_type ("double"))
|
|
return PIKA_PRECISION_DOUBLE_PERCEPTUAL;
|
|
break;
|
|
}
|
|
|
|
g_return_val_if_reached (-1);
|
|
}
|
|
|
|
PikaTRCType
|
|
pika_babl_format_get_trc (const Babl *format)
|
|
{
|
|
const gchar *name;
|
|
|
|
g_return_val_if_fail (format != NULL, FALSE);
|
|
|
|
name = babl_get_name (babl_format_get_model (format));
|
|
|
|
if (! strcmp (name, "Y") ||
|
|
! strcmp (name, "YA") ||
|
|
! strcmp (name, "RGB") ||
|
|
! strcmp (name, "RGBA") ||
|
|
! strcmp (name, "RaGaBaA"))
|
|
{
|
|
return PIKA_TRC_LINEAR;
|
|
}
|
|
else if (! strcmp (name, "Y'") ||
|
|
! strcmp (name, "Y'A") ||
|
|
! strcmp (name, "R'G'B'") ||
|
|
! strcmp (name, "R'G'B'A") ||
|
|
! strcmp (name, "R'aG'aB'aA"))
|
|
{
|
|
return PIKA_TRC_NON_LINEAR;
|
|
}
|
|
else if (! strcmp (name, "Y~") ||
|
|
! strcmp (name, "Y~A") ||
|
|
! strcmp (name, "R~G~B~") ||
|
|
! strcmp (name, "R~G~B~A") ||
|
|
! strcmp (name, "R~aG~aB~aA"))
|
|
{
|
|
return PIKA_TRC_PERCEPTUAL;
|
|
}
|
|
else if (babl_format_is_palette (format))
|
|
{
|
|
return PIKA_TRC_NON_LINEAR;
|
|
}
|
|
|
|
g_return_val_if_reached (PIKA_TRC_LINEAR);
|
|
}
|
|
|
|
PikaComponentType
|
|
pika_babl_component_type (PikaPrecision precision)
|
|
{
|
|
switch (precision)
|
|
{
|
|
case PIKA_PRECISION_U8_LINEAR:
|
|
case PIKA_PRECISION_U8_NON_LINEAR:
|
|
case PIKA_PRECISION_U8_PERCEPTUAL:
|
|
return PIKA_COMPONENT_TYPE_U8;
|
|
|
|
case PIKA_PRECISION_U16_LINEAR:
|
|
case PIKA_PRECISION_U16_NON_LINEAR:
|
|
case PIKA_PRECISION_U16_PERCEPTUAL:
|
|
return PIKA_COMPONENT_TYPE_U16;
|
|
|
|
case PIKA_PRECISION_U32_LINEAR:
|
|
case PIKA_PRECISION_U32_NON_LINEAR:
|
|
case PIKA_PRECISION_U32_PERCEPTUAL:
|
|
return PIKA_COMPONENT_TYPE_U32;
|
|
|
|
case PIKA_PRECISION_HALF_LINEAR:
|
|
case PIKA_PRECISION_HALF_NON_LINEAR:
|
|
case PIKA_PRECISION_HALF_PERCEPTUAL:
|
|
return PIKA_COMPONENT_TYPE_HALF;
|
|
|
|
case PIKA_PRECISION_FLOAT_LINEAR:
|
|
case PIKA_PRECISION_FLOAT_NON_LINEAR:
|
|
case PIKA_PRECISION_FLOAT_PERCEPTUAL:
|
|
return PIKA_COMPONENT_TYPE_FLOAT;
|
|
|
|
case PIKA_PRECISION_DOUBLE_LINEAR:
|
|
case PIKA_PRECISION_DOUBLE_NON_LINEAR:
|
|
case PIKA_PRECISION_DOUBLE_PERCEPTUAL:
|
|
return PIKA_COMPONENT_TYPE_DOUBLE;
|
|
}
|
|
|
|
g_return_val_if_reached (-1);
|
|
}
|
|
|
|
PikaTRCType
|
|
pika_babl_trc (PikaPrecision precision)
|
|
{
|
|
switch (precision)
|
|
{
|
|
case PIKA_PRECISION_U8_LINEAR:
|
|
case PIKA_PRECISION_U16_LINEAR:
|
|
case PIKA_PRECISION_U32_LINEAR:
|
|
case PIKA_PRECISION_HALF_LINEAR:
|
|
case PIKA_PRECISION_FLOAT_LINEAR:
|
|
case PIKA_PRECISION_DOUBLE_LINEAR:
|
|
return PIKA_TRC_LINEAR;
|
|
|
|
case PIKA_PRECISION_U8_NON_LINEAR:
|
|
case PIKA_PRECISION_U16_NON_LINEAR:
|
|
case PIKA_PRECISION_U32_NON_LINEAR:
|
|
case PIKA_PRECISION_HALF_NON_LINEAR:
|
|
case PIKA_PRECISION_FLOAT_NON_LINEAR:
|
|
case PIKA_PRECISION_DOUBLE_NON_LINEAR:
|
|
return PIKA_TRC_NON_LINEAR;
|
|
|
|
case PIKA_PRECISION_U8_PERCEPTUAL:
|
|
case PIKA_PRECISION_U16_PERCEPTUAL:
|
|
case PIKA_PRECISION_U32_PERCEPTUAL:
|
|
case PIKA_PRECISION_HALF_PERCEPTUAL:
|
|
case PIKA_PRECISION_FLOAT_PERCEPTUAL:
|
|
case PIKA_PRECISION_DOUBLE_PERCEPTUAL:
|
|
return PIKA_TRC_PERCEPTUAL;
|
|
}
|
|
|
|
g_return_val_if_reached (PIKA_TRC_LINEAR);
|
|
}
|
|
|
|
PikaPrecision
|
|
pika_babl_precision (PikaComponentType component,
|
|
PikaTRCType trc)
|
|
{
|
|
switch (component)
|
|
{
|
|
case PIKA_COMPONENT_TYPE_U8:
|
|
switch (trc)
|
|
{
|
|
case PIKA_TRC_LINEAR: return PIKA_PRECISION_U8_LINEAR;
|
|
case PIKA_TRC_NON_LINEAR: return PIKA_PRECISION_U8_NON_LINEAR;
|
|
case PIKA_TRC_PERCEPTUAL: return PIKA_PRECISION_U8_PERCEPTUAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
case PIKA_COMPONENT_TYPE_U16:
|
|
switch (trc)
|
|
{
|
|
case PIKA_TRC_LINEAR: return PIKA_PRECISION_U16_LINEAR;
|
|
case PIKA_TRC_NON_LINEAR: return PIKA_PRECISION_U16_NON_LINEAR;
|
|
case PIKA_TRC_PERCEPTUAL: return PIKA_PRECISION_U16_PERCEPTUAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
case PIKA_COMPONENT_TYPE_U32:
|
|
switch (trc)
|
|
{
|
|
case PIKA_TRC_LINEAR: return PIKA_PRECISION_U32_LINEAR;
|
|
case PIKA_TRC_NON_LINEAR: return PIKA_PRECISION_U32_NON_LINEAR;
|
|
case PIKA_TRC_PERCEPTUAL: return PIKA_PRECISION_U32_PERCEPTUAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
case PIKA_COMPONENT_TYPE_HALF:
|
|
switch (trc)
|
|
{
|
|
case PIKA_TRC_LINEAR: return PIKA_PRECISION_HALF_LINEAR;
|
|
case PIKA_TRC_NON_LINEAR: return PIKA_PRECISION_HALF_NON_LINEAR;
|
|
case PIKA_TRC_PERCEPTUAL: return PIKA_PRECISION_HALF_PERCEPTUAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
case PIKA_COMPONENT_TYPE_FLOAT:
|
|
switch (trc)
|
|
{
|
|
case PIKA_TRC_LINEAR: return PIKA_PRECISION_FLOAT_LINEAR;
|
|
case PIKA_TRC_NON_LINEAR: return PIKA_PRECISION_FLOAT_NON_LINEAR;
|
|
case PIKA_TRC_PERCEPTUAL: return PIKA_PRECISION_FLOAT_PERCEPTUAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
case PIKA_COMPONENT_TYPE_DOUBLE:
|
|
switch (trc)
|
|
{
|
|
case PIKA_TRC_LINEAR: return PIKA_PRECISION_DOUBLE_LINEAR;
|
|
case PIKA_TRC_NON_LINEAR: return PIKA_PRECISION_DOUBLE_NON_LINEAR;
|
|
case PIKA_TRC_PERCEPTUAL: return PIKA_PRECISION_DOUBLE_PERCEPTUAL;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
g_return_val_if_reached (-1);
|
|
}
|
|
|
|
gboolean
|
|
pika_babl_is_valid (PikaImageBaseType base_type,
|
|
PikaPrecision precision)
|
|
{
|
|
switch (base_type)
|
|
{
|
|
case PIKA_RGB:
|
|
case PIKA_GRAY:
|
|
return TRUE;
|
|
|
|
case PIKA_INDEXED:
|
|
switch (precision)
|
|
{
|
|
case PIKA_PRECISION_U8_NON_LINEAR:
|
|
return TRUE;
|
|
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
g_return_val_if_reached (FALSE);
|
|
}
|
|
|
|
PikaComponentType
|
|
pika_babl_is_bounded (PikaPrecision precision)
|
|
{
|
|
switch (pika_babl_component_type (precision))
|
|
{
|
|
case PIKA_COMPONENT_TYPE_U8:
|
|
case PIKA_COMPONENT_TYPE_U16:
|
|
case PIKA_COMPONENT_TYPE_U32:
|
|
return TRUE;
|
|
|
|
case PIKA_COMPONENT_TYPE_HALF:
|
|
case PIKA_COMPONENT_TYPE_FLOAT:
|
|
case PIKA_COMPONENT_TYPE_DOUBLE:
|
|
return FALSE;
|
|
}
|
|
|
|
g_return_val_if_reached (FALSE);
|
|
}
|
|
|
|
const Babl *
|
|
pika_babl_format (PikaImageBaseType base_type,
|
|
PikaPrecision precision,
|
|
gboolean with_alpha,
|
|
const Babl *space)
|
|
{
|
|
switch (base_type)
|
|
{
|
|
case PIKA_RGB:
|
|
switch (precision)
|
|
{
|
|
case PIKA_PRECISION_U8_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("RGBA u8", space);
|
|
else
|
|
return babl_format_with_space ("RGB u8", space);
|
|
|
|
case PIKA_PRECISION_U8_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R'G'B'A u8", space);
|
|
else
|
|
return babl_format_with_space ("R'G'B' u8", space);
|
|
|
|
case PIKA_PRECISION_U8_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R~G~B~A u8", space);
|
|
else
|
|
return babl_format_with_space ("R~G~B~ u8", space);
|
|
|
|
case PIKA_PRECISION_U16_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("RGBA u16", space);
|
|
else
|
|
return babl_format_with_space ("RGB u16", space);
|
|
|
|
case PIKA_PRECISION_U16_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R'G'B'A u16", space);
|
|
else
|
|
return babl_format_with_space ("R'G'B' u16", space);
|
|
|
|
case PIKA_PRECISION_U16_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R~G~B~A u16", space);
|
|
else
|
|
return babl_format_with_space ("R~G~B~ u16", space);
|
|
|
|
case PIKA_PRECISION_U32_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("RGBA u32", space);
|
|
else
|
|
return babl_format_with_space ("RGB u32", space);
|
|
|
|
case PIKA_PRECISION_U32_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R'G'B'A u32", space);
|
|
else
|
|
return babl_format_with_space ("R'G'B' u32", space);
|
|
|
|
case PIKA_PRECISION_U32_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R~G~B~A u32", space);
|
|
else
|
|
return babl_format_with_space ("R~G~B~ u32", space);
|
|
|
|
case PIKA_PRECISION_HALF_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("RGBA half", space);
|
|
else
|
|
return babl_format_with_space ("RGB half", space);
|
|
|
|
case PIKA_PRECISION_HALF_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R'G'B'A half", space);
|
|
else
|
|
return babl_format_with_space ("R'G'B' half", space);
|
|
|
|
case PIKA_PRECISION_HALF_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R~G~B~A half", space);
|
|
else
|
|
return babl_format_with_space ("R~G~B~ half", space);
|
|
|
|
case PIKA_PRECISION_FLOAT_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("RGBA float", space);
|
|
else
|
|
return babl_format_with_space ("RGB float", space);
|
|
|
|
case PIKA_PRECISION_FLOAT_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R'G'B'A float", space);
|
|
else
|
|
return babl_format_with_space ("R'G'B' float", space);
|
|
|
|
case PIKA_PRECISION_FLOAT_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R~G~B~A float", space);
|
|
else
|
|
return babl_format_with_space ("R~G~B~ float", space);
|
|
|
|
case PIKA_PRECISION_DOUBLE_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("RGBA double", space);
|
|
else
|
|
return babl_format_with_space ("RGB double", space);
|
|
|
|
case PIKA_PRECISION_DOUBLE_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R'G'B'A double", space);
|
|
else
|
|
return babl_format_with_space ("R'G'B' double", space);
|
|
|
|
case PIKA_PRECISION_DOUBLE_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("R~G~B~A double", space);
|
|
else
|
|
return babl_format_with_space ("R~G~B~ double", space);
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_GRAY:
|
|
switch (precision)
|
|
{
|
|
case PIKA_PRECISION_U8_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("YA u8", space);
|
|
else
|
|
return babl_format_with_space ("Y u8", space);
|
|
|
|
case PIKA_PRECISION_U8_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y'A u8", space);
|
|
else
|
|
return babl_format_with_space ("Y' u8", space);
|
|
|
|
case PIKA_PRECISION_U8_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y~A u8", space);
|
|
else
|
|
return babl_format_with_space ("Y~ u8", space);
|
|
|
|
case PIKA_PRECISION_U16_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("YA u16", space);
|
|
else
|
|
return babl_format_with_space ("Y u16", space);
|
|
|
|
case PIKA_PRECISION_U16_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y'A u16", space);
|
|
else
|
|
return babl_format_with_space ("Y' u16", space);
|
|
|
|
case PIKA_PRECISION_U16_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y~A u16", space);
|
|
else
|
|
return babl_format_with_space ("Y~ u16", space);
|
|
|
|
case PIKA_PRECISION_U32_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("YA u32", space);
|
|
else
|
|
return babl_format_with_space ("Y u32", space);
|
|
|
|
case PIKA_PRECISION_U32_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y'A u32", space);
|
|
else
|
|
return babl_format_with_space ("Y' u32", space);
|
|
|
|
case PIKA_PRECISION_U32_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y~A u32", space);
|
|
else
|
|
return babl_format_with_space ("Y~ u32", space);
|
|
|
|
case PIKA_PRECISION_HALF_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("YA half", space);
|
|
else
|
|
return babl_format_with_space ("Y half", space);
|
|
|
|
case PIKA_PRECISION_HALF_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y'A half", space);
|
|
else
|
|
return babl_format_with_space ("Y' half", space);
|
|
|
|
case PIKA_PRECISION_HALF_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y~A half", space);
|
|
else
|
|
return babl_format_with_space ("Y~ half", space);
|
|
|
|
case PIKA_PRECISION_FLOAT_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("YA float", space);
|
|
else
|
|
return babl_format_with_space ("Y float", space);
|
|
|
|
case PIKA_PRECISION_FLOAT_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y'A float", space);
|
|
else
|
|
return babl_format_with_space ("Y' float", space);
|
|
|
|
case PIKA_PRECISION_FLOAT_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y~A float", space);
|
|
else
|
|
return babl_format_with_space ("Y~ float", space);
|
|
|
|
case PIKA_PRECISION_DOUBLE_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("YA double", space);
|
|
else
|
|
return babl_format_with_space ("Y double", space);
|
|
|
|
case PIKA_PRECISION_DOUBLE_NON_LINEAR:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y'A double", space);
|
|
else
|
|
return babl_format_with_space ("Y' double", space);
|
|
|
|
case PIKA_PRECISION_DOUBLE_PERCEPTUAL:
|
|
if (with_alpha)
|
|
return babl_format_with_space ("Y~A double", space);
|
|
else
|
|
return babl_format_with_space ("Y~ double", space);
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_INDEXED:
|
|
/* need to use the image's api for this */
|
|
break;
|
|
}
|
|
|
|
g_return_val_if_reached (NULL);
|
|
}
|
|
|
|
const Babl *
|
|
pika_babl_mask_format (PikaPrecision precision)
|
|
{
|
|
switch (pika_babl_component_type (precision))
|
|
{
|
|
case PIKA_COMPONENT_TYPE_U8: return babl_format ("Y u8");
|
|
case PIKA_COMPONENT_TYPE_U16: return babl_format ("Y u16");
|
|
case PIKA_COMPONENT_TYPE_U32: return babl_format ("Y u32");
|
|
case PIKA_COMPONENT_TYPE_HALF: return babl_format ("Y half");
|
|
case PIKA_COMPONENT_TYPE_FLOAT: return babl_format ("Y float");
|
|
case PIKA_COMPONENT_TYPE_DOUBLE: return babl_format ("Y double");
|
|
}
|
|
|
|
g_return_val_if_reached (NULL);
|
|
}
|
|
|
|
const Babl *
|
|
pika_babl_component_format (PikaImageBaseType base_type,
|
|
PikaPrecision precision,
|
|
gint index)
|
|
{
|
|
switch (base_type)
|
|
{
|
|
case PIKA_RGB:
|
|
switch (precision)
|
|
{
|
|
case PIKA_PRECISION_U8_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R u8");
|
|
case 1: return babl_format ("G u8");
|
|
case 2: return babl_format ("B u8");
|
|
case 3: return babl_format ("A u8");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U8_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R' u8");
|
|
case 1: return babl_format ("G' u8");
|
|
case 2: return babl_format ("B' u8");
|
|
case 3: return babl_format ("A u8");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U8_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R~ u8");
|
|
case 1: return babl_format ("G~ u8");
|
|
case 2: return babl_format ("B~ u8");
|
|
case 3: return babl_format ("A u8");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U16_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R u16");
|
|
case 1: return babl_format ("G u16");
|
|
case 2: return babl_format ("B u16");
|
|
case 3: return babl_format ("A u16");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U16_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R' u16");
|
|
case 1: return babl_format ("G' u16");
|
|
case 2: return babl_format ("B' u16");
|
|
case 3: return babl_format ("A u16");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U16_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R~ u16");
|
|
case 1: return babl_format ("G~ u16");
|
|
case 2: return babl_format ("B~ u16");
|
|
case 3: return babl_format ("A u16");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U32_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R u32");
|
|
case 1: return babl_format ("G u32");
|
|
case 2: return babl_format ("B u32");
|
|
case 3: return babl_format ("A u32");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U32_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R' u32");
|
|
case 1: return babl_format ("G' u32");
|
|
case 2: return babl_format ("B' u32");
|
|
case 3: return babl_format ("A u32");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U32_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R~ u32");
|
|
case 1: return babl_format ("G~ u32");
|
|
case 2: return babl_format ("B~ u32");
|
|
case 3: return babl_format ("A u32");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_HALF_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R half");
|
|
case 1: return babl_format ("G half");
|
|
case 2: return babl_format ("B half");
|
|
case 3: return babl_format ("A half");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_HALF_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R' half");
|
|
case 1: return babl_format ("G' half");
|
|
case 2: return babl_format ("B' half");
|
|
case 3: return babl_format ("A half");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_HALF_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R~ half");
|
|
case 1: return babl_format ("G~ half");
|
|
case 2: return babl_format ("B~ half");
|
|
case 3: return babl_format ("A half");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_FLOAT_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R float");
|
|
case 1: return babl_format ("G float");
|
|
case 2: return babl_format ("B float");
|
|
case 3: return babl_format ("A float");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_FLOAT_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R' float");
|
|
case 1: return babl_format ("G' float");
|
|
case 2: return babl_format ("B' float");
|
|
case 3: return babl_format ("A float");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_FLOAT_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R~ float");
|
|
case 1: return babl_format ("G~ float");
|
|
case 2: return babl_format ("B~ float");
|
|
case 3: return babl_format ("A float");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_DOUBLE_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R double");
|
|
case 1: return babl_format ("G double");
|
|
case 2: return babl_format ("B double");
|
|
case 3: return babl_format ("A double");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_DOUBLE_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R' double");
|
|
case 1: return babl_format ("G' double");
|
|
case 2: return babl_format ("B' double");
|
|
case 3: return babl_format ("A double");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_DOUBLE_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("R~ double");
|
|
case 1: return babl_format ("G~ double");
|
|
case 2: return babl_format ("B~ double");
|
|
case 3: return babl_format ("A double");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_GRAY:
|
|
switch (precision)
|
|
{
|
|
case PIKA_PRECISION_U8_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y u8");
|
|
case 1: return babl_format ("A u8");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U8_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y' u8");
|
|
case 1: return babl_format ("A u8");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U8_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y~ u8");
|
|
case 1: return babl_format ("A u8");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U16_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y u16");
|
|
case 1: return babl_format ("A u16");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U16_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y' u16");
|
|
case 1: return babl_format ("A u16");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U16_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y~ u16");
|
|
case 1: return babl_format ("A u16");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U32_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y u32");
|
|
case 1: return babl_format ("A u32");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U32_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y' u32");
|
|
case 1: return babl_format ("A u32");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_U32_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y~ u32");
|
|
case 1: return babl_format ("A u32");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_HALF_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y half");
|
|
case 1: return babl_format ("A half");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_HALF_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y' half");
|
|
case 1: return babl_format ("A half");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_HALF_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y~ half");
|
|
case 1: return babl_format ("A half");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_FLOAT_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y float");
|
|
case 1: return babl_format ("A float");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_FLOAT_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y' float");
|
|
case 1: return babl_format ("A float");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_FLOAT_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y~ float");
|
|
case 1: return babl_format ("A float");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_DOUBLE_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y double");
|
|
case 1: return babl_format ("A double");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_DOUBLE_NON_LINEAR:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y' double");
|
|
case 1: return babl_format ("A double");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_PRECISION_DOUBLE_PERCEPTUAL:
|
|
switch (index)
|
|
{
|
|
case 0: return babl_format ("Y~ double");
|
|
case 1: return babl_format ("A double");
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case PIKA_INDEXED:
|
|
/* need to use the image's api for this */
|
|
break;
|
|
}
|
|
|
|
g_return_val_if_reached (NULL);
|
|
}
|
|
|
|
const Babl *
|
|
pika_babl_format_change_component_type (const Babl *format,
|
|
PikaComponentType component)
|
|
{
|
|
g_return_val_if_fail (format != NULL, NULL);
|
|
|
|
return pika_babl_format (pika_babl_format_get_base_type (format),
|
|
pika_babl_precision (
|
|
component,
|
|
pika_babl_format_get_trc (format)),
|
|
babl_format_has_alpha (format),
|
|
babl_format_get_space (format));
|
|
}
|
|
|
|
const Babl *
|
|
pika_babl_format_change_trc (const Babl *format,
|
|
PikaTRCType trc)
|
|
{
|
|
g_return_val_if_fail (format != NULL, NULL);
|
|
|
|
return pika_babl_format (pika_babl_format_get_base_type (format),
|
|
pika_babl_precision (
|
|
pika_babl_format_get_component_type (format),
|
|
trc),
|
|
babl_format_has_alpha (format),
|
|
babl_format_get_space (format));
|
|
}
|
|
|
|
gchar **
|
|
pika_babl_print_pixel (const Babl *format,
|
|
gpointer pixel)
|
|
{
|
|
PikaPrecision precision;
|
|
gint n_components;
|
|
guchar tmp_pixel[32];
|
|
gchar **strings;
|
|
|
|
g_return_val_if_fail (format != NULL, NULL);
|
|
g_return_val_if_fail (pixel != NULL, NULL);
|
|
|
|
precision = pika_babl_format_get_precision (format);
|
|
|
|
if (babl_format_is_palette (format))
|
|
{
|
|
const Babl *f = pika_babl_format (PIKA_RGB, precision,
|
|
babl_format_has_alpha (format),
|
|
babl_format_get_space (format));
|
|
|
|
babl_process (babl_fish (format, f), pixel, tmp_pixel, 1);
|
|
|
|
format = f;
|
|
pixel = tmp_pixel;
|
|
}
|
|
|
|
n_components = babl_format_get_n_components (format);
|
|
|
|
strings = g_new0 (gchar *, n_components + 1);
|
|
|
|
switch (pika_babl_format_get_component_type (format))
|
|
{
|
|
case PIKA_COMPONENT_TYPE_U8:
|
|
{
|
|
guchar *color = pixel;
|
|
gint i;
|
|
|
|
for (i = 0; i < n_components; i++)
|
|
strings[i] = g_strdup_printf ("%d", color[i]);
|
|
}
|
|
break;
|
|
|
|
case PIKA_COMPONENT_TYPE_U16:
|
|
{
|
|
guint16 *color = pixel;
|
|
gint i;
|
|
|
|
for (i = 0; i < n_components; i++)
|
|
strings[i] = g_strdup_printf ("%u", color[i]);
|
|
}
|
|
break;
|
|
|
|
case PIKA_COMPONENT_TYPE_U32:
|
|
{
|
|
guint32 *color = pixel;
|
|
gint i;
|
|
|
|
for (i = 0; i < n_components; i++)
|
|
strings[i] = g_strdup_printf ("%u", color[i]);
|
|
}
|
|
break;
|
|
|
|
case PIKA_COMPONENT_TYPE_HALF:
|
|
{
|
|
PikaPrecision p;
|
|
const Babl *f;
|
|
|
|
p = pika_babl_precision (PIKA_COMPONENT_TYPE_FLOAT,
|
|
pika_babl_format_get_trc (format));
|
|
|
|
f = pika_babl_format (pika_babl_format_get_base_type (format),
|
|
p,
|
|
babl_format_has_alpha (format),
|
|
babl_format_get_space (format));
|
|
|
|
babl_process (babl_fish (format, f), pixel, tmp_pixel, 1);
|
|
|
|
pixel = tmp_pixel;
|
|
}
|
|
/* fall through */
|
|
|
|
case PIKA_COMPONENT_TYPE_FLOAT:
|
|
{
|
|
gfloat *color = pixel;
|
|
gint i;
|
|
|
|
for (i = 0; i < n_components; i++)
|
|
strings[i] = g_strdup_printf ("%0.6f", color[i]);
|
|
}
|
|
break;
|
|
|
|
case PIKA_COMPONENT_TYPE_DOUBLE:
|
|
{
|
|
gdouble *color = pixel;
|
|
gint i;
|
|
|
|
for (i = 0; i < n_components; i++)
|
|
strings[i] = g_strdup_printf ("%0.6f", color[i]);
|
|
}
|
|
break;
|
|
}
|
|
|
|
return strings;
|
|
}
|
