253 lines
6.5 KiB
C
253 lines
6.5 KiB
C
/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
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*
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* pikaimagecolorprofile.c
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "pika.h"
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/**
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* pika_image_get_color_profile:
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* @image: The image.
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*
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* Returns the image's color profile
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*
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* This procedure returns the image's color profile, or NULL if the
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* image has no color profile assigned.
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*
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* Returns: (transfer full): The image's color profile. The returned
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* value must be freed with g_object_unref().
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*
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* Since: 2.10
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**/
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PikaColorProfile *
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pika_image_get_color_profile (PikaImage *image)
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{
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GBytes *data;
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data = _pika_image_get_color_profile (image);
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if (data)
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{
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PikaColorProfile *profile;
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profile = pika_color_profile_new_from_icc_profile (g_bytes_get_data (data, NULL),
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g_bytes_get_size (data),
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NULL);
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g_bytes_unref (data);
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return profile;
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}
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return NULL;
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}
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/**
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* pika_image_set_color_profile:
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* @image: The image.
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* @profile: (nullable): A #PikaColorProfile, or %NULL.
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*
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* Sets the image's color profile
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*
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* This procedure sets the image's color profile.
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*
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* Returns: %TRUE on success.
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*
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* Since: 2.10
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**/
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gboolean
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pika_image_set_color_profile (PikaImage *image,
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PikaColorProfile *profile)
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{
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const guint8 *data = NULL;
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GBytes *bytes = NULL;
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gboolean ret;
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g_return_val_if_fail (profile == NULL || PIKA_IS_COLOR_PROFILE (profile),
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FALSE);
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if (profile)
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{
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gsize l;
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data = pika_color_profile_get_icc_profile (profile, &l);
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bytes = g_bytes_new_static (data, l);
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}
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ret = _pika_image_set_color_profile (image, bytes);
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g_bytes_unref (bytes);
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return ret;
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}
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/**
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* pika_image_get_simulation_profile:
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* @image: The image.
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*
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* Returns the image's simulation color profile
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*
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* This procedure returns the image's simulation color profile, or NULL if
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* the image has no simulation color profile assigned.
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*
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* Returns: (transfer full): The image's simulation color profile. The
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* returned value must be freed with g_object_unref().
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*
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* Since: 3.0
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**/
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PikaColorProfile *
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pika_image_get_simulation_profile (PikaImage *image)
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{
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GBytes *data;
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data = _pika_image_get_simulation_profile (image);
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if (data)
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{
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PikaColorProfile *profile;
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profile = pika_color_profile_new_from_icc_profile (g_bytes_get_data (data, NULL),
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g_bytes_get_size (data),
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NULL);
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g_bytes_unref (data);
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return profile;
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}
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return NULL;
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}
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/**
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* pika_image_set_simulation_profile:
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* @image: The image.
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* @profile: A #PikaColorProfile, or %NULL.
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*
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* Sets the image's simulation color profile
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*
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* This procedure sets the image's simulation color profile.
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*
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* Returns: %TRUE on success.
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*
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* Since: 3.0
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**/
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gboolean
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pika_image_set_simulation_profile (PikaImage *image,
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PikaColorProfile *profile)
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{
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const guint8 *data = NULL;
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GBytes *bytes = NULL;
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gboolean ret;
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g_return_val_if_fail (profile == NULL || PIKA_IS_COLOR_PROFILE (profile),
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FALSE);
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if (profile)
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{
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gsize l;
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data = pika_color_profile_get_icc_profile (profile, &l);
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bytes = g_bytes_new_static (data, l);
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}
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ret = _pika_image_set_simulation_profile (image, bytes);
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g_bytes_unref (bytes);
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return ret;
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}
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/**
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* pika_image_get_effective_color_profile:
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* @image: The image.
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*
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* Returns the color profile that is used for the image.
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*
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* This procedure returns the color profile that is actually used for
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* this image, which is the profile returned by
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* pika_image_get_color_profile() if the image has a profile assigned,
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* or the default RGB profile from preferences if no profile is
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* assigned to the image. If there is no default RGB profile configured
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* in preferences either, a generated default RGB profile is returned.
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*
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* Returns: (transfer full): The color profile. The returned value must
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* be freed with g_object_unref().
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*
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* Since: 2.10
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**/
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PikaColorProfile *
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pika_image_get_effective_color_profile (PikaImage *image)
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{
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GBytes *data;
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data = _pika_image_get_effective_color_profile (image);
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if (data)
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{
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PikaColorProfile *profile;
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profile = pika_color_profile_new_from_icc_profile (g_bytes_get_data (data, NULL),
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g_bytes_get_size (data),
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NULL);
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g_bytes_unref (data);
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return profile;
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}
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return NULL;
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}
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/**
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* pika_image_convert_color_profile:
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* @image: The image.
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* @profile: The color profile to convert to.
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* @intent: Rendering intent.
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* @bpc: Black point compensation.
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*
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* Convert the image's layers to a color profile
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*
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* This procedure converts from the image's color profile (or the
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* default RGB profile if none is set) to the given color profile. Only
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* RGB color profiles are accepted.
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*
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* Returns: TRUE on success.
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*
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* Since: 2.10
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**/
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gboolean
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pika_image_convert_color_profile (PikaImage *image,
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PikaColorProfile *profile,
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PikaColorRenderingIntent intent,
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gboolean bpc)
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{
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const guint8 *data = NULL;
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GBytes *bytes = NULL;
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gboolean ret;
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g_return_val_if_fail (profile == NULL || PIKA_IS_COLOR_PROFILE (profile),
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FALSE);
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if (profile)
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{
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gsize l;
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data = pika_color_profile_get_icc_profile (profile, &l);
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bytes = g_bytes_new_static (data, l);
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}
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ret = _pika_image_convert_color_profile (image, bytes, intent, bpc);
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g_bytes_unref (bytes);
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return ret;
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}
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