/* The GIMP -- an image manipulation program * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "config.h" #ifdef HAVE_LCMS_LCMS_H #include #else #include #endif #include #include "libgimpconfig/gimpconfig.h" #include "libgimpmath/gimpmath.h" #include "libgimpmodule/gimpmodule.h" #include "libgimpwidgets/gimpwidgets.h" #include "libgimp/libgimp-intl.h" #define CDISPLAY_TYPE_LCMS (cdisplay_lcms_type) #define CDISPLAY_LCMS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CDISPLAY_TYPE_LCMS, CdisplayLcms)) #define CDISPLAY_LCMS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CDISPLAY_TYPE_LCMS, CdisplayLcmsClass)) #define CDISPLAY_IS_LCMS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CDISPLAY_TYPE_LCMS)) #define CDISPLAY_IS_LCMS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CDISPLAY_TYPE_LCMS)) typedef struct _CdisplayLcms CdisplayLcms; typedef struct _CdisplayLcmsClass CdisplayLcmsClass; struct _CdisplayLcms { GimpColorDisplay parent_instance; GimpColorConfig *config; cmsHTRANSFORM transform; }; struct _CdisplayLcmsClass { GimpColorDisplayClass parent_instance; }; enum { PROP_0, PROP_CONFIG }; static GType cdisplay_lcms_get_type (GTypeModule *module); static void cdisplay_lcms_class_init (CdisplayLcmsClass *klass); static void cdisplay_lcms_init (CdisplayLcms *lcms); static void cdisplay_lcms_dispose (GObject *object); static void cdisplay_lcms_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec); static void cdisplay_lcms_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec); static void cdisplay_lcms_convert (GimpColorDisplay *display, guchar *buf, gint width, gint height, gint bpp, gint bpl); static void cdisplay_lcms_changed (GimpColorDisplay *display); static void cdisplay_lcms_set_config (CdisplayLcms *lcms, GimpColorConfig *config); static const GimpModuleInfo cdisplay_lcms_info = { GIMP_MODULE_ABI_VERSION, N_("Color management display filter using ICC color profiles"), "Sven Neumann", "v0.1", "(c) 2005, released under the GPL", "2005" }; static GType cdisplay_lcms_type = 0; static GimpColorDisplayClass *parent_class = NULL; G_MODULE_EXPORT const GimpModuleInfo * gimp_module_query (GTypeModule *module) { return &cdisplay_lcms_info; } G_MODULE_EXPORT gboolean gimp_module_register (GTypeModule *module) { cdisplay_lcms_get_type (module); return TRUE; } static GType cdisplay_lcms_get_type (GTypeModule *module) { if (! cdisplay_lcms_type) { static const GTypeInfo display_info = { sizeof (CdisplayLcmsClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) cdisplay_lcms_class_init, NULL, /* class_finalize */ NULL, /* class_data */ sizeof (CdisplayLcms), 0, /* n_preallocs */ (GInstanceInitFunc) cdisplay_lcms_init, }; cdisplay_lcms_type = g_type_module_register_type (module, GIMP_TYPE_COLOR_DISPLAY, "CdisplayLcms", &display_info, 0); } return cdisplay_lcms_type; } static void cdisplay_lcms_class_init (CdisplayLcmsClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GimpColorDisplayClass *display_class = GIMP_COLOR_DISPLAY_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->dispose = cdisplay_lcms_dispose; object_class->get_property = cdisplay_lcms_get_property; object_class->set_property = cdisplay_lcms_set_property; GIMP_CONFIG_INSTALL_PROP_OBJECT (object_class, PROP_CONFIG, "config", NULL, GIMP_TYPE_COLOR_CONFIG, 0); display_class->name = _("Color Management"); display_class->help_id = "gimp-colordisplay-lcms"; display_class->convert = cdisplay_lcms_convert; display_class->changed = cdisplay_lcms_changed; cmsErrorAction (LCMS_ERROR_IGNORE); } static void cdisplay_lcms_init (CdisplayLcms *lcms) { lcms->config = NULL; lcms->transform = NULL; } static void cdisplay_lcms_dispose (GObject *object) { CdisplayLcms *lcms = CDISPLAY_LCMS (object); cdisplay_lcms_set_config (lcms, NULL); G_OBJECT_CLASS (parent_class)->dispose (object); } static void cdisplay_lcms_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { CdisplayLcms *lcms = CDISPLAY_LCMS (object); switch (property_id) { case PROP_CONFIG: g_value_set_object (value, lcms->config); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void cdisplay_lcms_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { CdisplayLcms *lcms = CDISPLAY_LCMS (object); switch (property_id) { case PROP_CONFIG: cdisplay_lcms_set_config (lcms, g_value_get_object (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void cdisplay_lcms_convert (GimpColorDisplay *display, guchar *buf, gint width, gint height, gint bpp, gint bpl) { CdisplayLcms *lcms = CDISPLAY_LCMS (display); gint y; if (bpp != 3) return; if (! lcms->transform) return; for (y = 0; y < height; y++, buf += bpl) cmsDoTransform (lcms->transform, buf, buf, width); } static void cdisplay_lcms_changed (GimpColorDisplay *display) { CdisplayLcms *lcms = CDISPLAY_LCMS (display); GimpColorConfig *config = lcms->config; cmsHPROFILE src_profile = NULL; cmsHPROFILE dest_profile = NULL; cmsHPROFILE proof_profile = NULL; if (lcms->transform) { cmsDeleteTransform (lcms->transform); lcms->transform = NULL; } if (! config) return; switch (config->mode) { case GIMP_COLOR_MANAGEMENT_OFF: return; case GIMP_COLOR_MANAGEMENT_SOFTPROOF: if (config->printer_profile) proof_profile = cmsOpenProfileFromFile (config->printer_profile, "r"); /* fallthru */ case GIMP_COLOR_MANAGEMENT_DISPLAY: /* this should be taken from the image */ src_profile = cmsCreate_sRGBProfile (); if (config->display_profile) dest_profile = cmsOpenProfileFromFile (config->display_profile,"r"); break; } if (proof_profile) { lcms->transform = cmsCreateProofingTransform (src_profile, TYPE_RGB_8, (dest_profile ? dest_profile : src_profile), TYPE_RGB_8, proof_profile, config->display_intent, config->simulation_intent, cmsFLAGS_SOFTPROOFING); cmsCloseProfile (proof_profile); } else if (dest_profile) { lcms->transform = cmsCreateTransform (src_profile, TYPE_RGB_8, dest_profile, TYPE_RGB_8, config->display_intent, 0); } if (dest_profile) cmsCloseProfile (dest_profile); cmsCloseProfile (src_profile); } static void cdisplay_lcms_set_config (CdisplayLcms *lcms, GimpColorConfig *config) { if (config == lcms->config) return; if (lcms->config) { g_signal_handlers_disconnect_by_func (lcms->config, G_CALLBACK (gimp_color_display_changed), lcms); g_object_unref (lcms->config); } lcms->config = config; if (lcms->config) { g_object_ref (lcms->config); g_signal_connect_swapped (lcms->config, "notify", G_CALLBACK (gimp_color_display_changed), lcms); } gimp_color_display_changed (GIMP_COLOR_DISPLAY (lcms)); }