301 lines
8.0 KiB
C
301 lines
8.0 KiB
C
/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
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*
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* PikaColorManaged interface
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* Copyright (C) 2007 Sven Neumann <sven@gimp.org>
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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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* Library 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 <gio/gio.h>
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#include <gegl.h>
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#include "pikacolortypes.h"
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#include "pikacolormanaged.h"
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#include "pikacolorprofile.h"
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/**
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* SECTION: pikacolormanaged
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* @title: PikaColorManaged
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* @short_description: An interface dealing with color profiles.
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*
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* An interface dealing with color profiles.
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**/
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enum
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{
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PROFILE_CHANGED,
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SIMULATION_PROFILE_CHANGED,
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SIMULATION_INTENT_CHANGED,
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SIMULATION_BPC_CHANGED,
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LAST_SIGNAL
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};
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G_DEFINE_INTERFACE (PikaColorManaged, pika_color_managed, G_TYPE_OBJECT)
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static guint pika_color_managed_signals[LAST_SIGNAL] = { 0 };
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/* private functions */
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static void
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pika_color_managed_default_init (PikaColorManagedInterface *iface)
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{
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pika_color_managed_signals[PROFILE_CHANGED] =
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g_signal_new ("profile-changed",
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G_TYPE_FROM_INTERFACE (iface),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (PikaColorManagedInterface,
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profile_changed),
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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pika_color_managed_signals[SIMULATION_PROFILE_CHANGED] =
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g_signal_new ("simulation-profile-changed",
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G_TYPE_FROM_INTERFACE (iface),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (PikaColorManagedInterface,
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simulation_profile_changed),
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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pika_color_managed_signals[SIMULATION_INTENT_CHANGED] =
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g_signal_new ("simulation-intent-changed",
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G_TYPE_FROM_INTERFACE (iface),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (PikaColorManagedInterface,
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simulation_intent_changed),
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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pika_color_managed_signals[SIMULATION_BPC_CHANGED] =
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g_signal_new ("simulation-bpc-changed",
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G_TYPE_FROM_INTERFACE (iface),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (PikaColorManagedInterface,
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simulation_bpc_changed),
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NULL, NULL, NULL,
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G_TYPE_NONE, 0);
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}
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/* public functions */
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/**
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* pika_color_managed_get_icc_profile:
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* @managed: an object the implements the #PikaColorManaged interface
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* @len: (out): return location for the number of bytes in the profile data
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*
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* Returns: (array length=len): A blob of data that represents an ICC color
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* profile.
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*
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* Since: 2.4
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*/
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const guint8 *
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pika_color_managed_get_icc_profile (PikaColorManaged *managed,
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gsize *len)
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{
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PikaColorManagedInterface *iface;
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g_return_val_if_fail (PIKA_IS_COLOR_MANAGED (managed), NULL);
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g_return_val_if_fail (len != NULL, NULL);
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*len = 0;
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iface = PIKA_COLOR_MANAGED_GET_IFACE (managed);
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if (iface->get_icc_profile)
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return iface->get_icc_profile (managed, len);
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return NULL;
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}
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/**
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* pika_color_managed_get_color_profile:
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* @managed: an object the implements the #PikaColorManaged interface
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*
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* This function always returns a #PikaColorProfile and falls back to
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* pika_color_profile_new_rgb_srgb() if the method is not implemented.
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*
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* Returns: (transfer full): The @managed's #PikaColorProfile.
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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_color_managed_get_color_profile (PikaColorManaged *managed)
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{
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PikaColorManagedInterface *iface;
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g_return_val_if_fail (PIKA_IS_COLOR_MANAGED (managed), NULL);
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iface = PIKA_COLOR_MANAGED_GET_IFACE (managed);
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if (iface->get_color_profile)
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return iface->get_color_profile (managed);
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return NULL;
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}
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/**
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* pika_color_managed_get_simulation_profile:
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* @managed: an object the implements the #PikaColorManaged interface
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*
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* This function always returns a #PikaColorProfile
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*
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* Returns: (transfer full): The @managed's simulation #PikaColorProfile.
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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_color_managed_get_simulation_profile (PikaColorManaged *managed)
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{
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PikaColorManagedInterface *iface;
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g_return_val_if_fail (PIKA_IS_COLOR_MANAGED (managed), NULL);
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iface = PIKA_COLOR_MANAGED_GET_IFACE (managed);
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if (iface->get_simulation_profile)
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return iface->get_simulation_profile (managed);
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return NULL;
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}
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/**
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* pika_color_managed_get_simulation_intent:
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* @managed: an object the implements the #PikaColorManaged interface
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*
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* This function always returns a #PikaColorRenderingIntent
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*
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* Returns: The @managed's simulation #PikaColorRenderingIntent.
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*
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* Since: 3.0
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**/
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PikaColorRenderingIntent
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pika_color_managed_get_simulation_intent (PikaColorManaged *managed)
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{
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PikaColorManagedInterface *iface;
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g_return_val_if_fail (PIKA_IS_COLOR_MANAGED (managed),
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PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC);
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iface = PIKA_COLOR_MANAGED_GET_IFACE (managed);
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if (iface->get_simulation_intent)
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return iface->get_simulation_intent (managed);
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return PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC;
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}
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/**
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* pika_color_managed_get_simulation_bpc:
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* @managed: an object the implements the #PikaColorManaged interface
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*
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* This function always returns a gboolean representing whether
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* Black Point Compensation is enabled
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*
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* Returns: The @managed's simulation Black Point Compensation value.
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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_color_managed_get_simulation_bpc (PikaColorManaged *managed)
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{
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PikaColorManagedInterface *iface;
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g_return_val_if_fail (PIKA_IS_COLOR_MANAGED (managed), FALSE);
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iface = PIKA_COLOR_MANAGED_GET_IFACE (managed);
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if (iface->get_simulation_bpc)
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return iface->get_simulation_bpc (managed);
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return FALSE;
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}
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/**
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* pika_color_managed_profile_changed:
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* @managed: an object that implements the #PikaColorManaged interface
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*
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* Emits the "profile-changed" signal.
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*
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* Since: 2.4
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**/
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void
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pika_color_managed_profile_changed (PikaColorManaged *managed)
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{
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g_return_if_fail (PIKA_IS_COLOR_MANAGED (managed));
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g_signal_emit (managed, pika_color_managed_signals[PROFILE_CHANGED], 0);
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}
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/**
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* pika_color_managed_simulation_profile_changed:
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* @managed: an object that implements the #PikaColorManaged interface
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*
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* Emits the "simulation-profile-changed" signal.
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*
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* Since: 3.0
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**/
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void
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pika_color_managed_simulation_profile_changed (PikaColorManaged *managed)
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{
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g_return_if_fail (PIKA_IS_COLOR_MANAGED (managed));
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g_signal_emit (managed, pika_color_managed_signals[SIMULATION_PROFILE_CHANGED], 0);
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}
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/**
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* pika_color_managed_simulation_intent_changed:
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* @managed: an object that implements the #PikaColorManaged interface
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*
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* Emits the "simulation-intent-changed" signal.
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*
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* Since: 3.0
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**/
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void
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pika_color_managed_simulation_intent_changed (PikaColorManaged *managed)
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{
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g_return_if_fail (PIKA_IS_COLOR_MANAGED (managed));
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g_signal_emit (managed, pika_color_managed_signals[SIMULATION_INTENT_CHANGED], 0);
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}
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/**
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* pika_color_managed_simulation_bpc_changed:
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* @managed: an object that implements the #PikaColorManaged interface
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*
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* Emits the "simulation-bpc-changed" signal.
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*
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* Since: 3.0
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**/
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void
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pika_color_managed_simulation_bpc_changed (PikaColorManaged *managed)
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{
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g_return_if_fail (PIKA_IS_COLOR_MANAGED (managed));
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g_signal_emit (managed, pika_color_managed_signals[SIMULATION_BPC_CHANGED], 0);
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}
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