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-rw-r--r--app/operations/gimpoperationprofiletransform.c307
1 files changed, 307 insertions, 0 deletions
diff --git a/app/operations/gimpoperationprofiletransform.c b/app/operations/gimpoperationprofiletransform.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpoperationprofiletransform.c
+ * Copyright (C) 2016 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 <cairo.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpcolor/gimpcolor.h"
+
+#include "operations-types.h"
+
+#include "gimpoperationprofiletransform.h"
+
+
+enum
+{
+ PROP_0,
+ PROP_SRC_PROFILE,
+ PROP_SRC_FORMAT,
+ PROP_DEST_PROFILE,
+ PROP_DEST_FORMAT,
+ PROP_RENDERING_INTENT,
+ PROP_BLACK_POINT_COMPENSATION
+};
+
+
+static void gimp_operation_profile_transform_finalize (GObject *object);
+
+static void gimp_operation_profile_transform_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+static void gimp_operation_profile_transform_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_operation_profile_transform_prepare (GeglOperation *operation);
+static gboolean gimp_operation_profile_transform_process (GeglOperation *operation,
+ void *in_buf,
+ void *out_buf,
+ glong samples,
+ const GeglRectangle *roi,
+ gint level);
+
+
+G_DEFINE_TYPE (GimpOperationProfileTransform, gimp_operation_profile_transform,
+ GEGL_TYPE_OPERATION_POINT_FILTER)
+
+#define parent_class gimp_operation_profile_transform_parent_class
+
+
+static void
+gimp_operation_profile_transform_class_init (GimpOperationProfileTransformClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GeglOperationClass *operation_class = GEGL_OPERATION_CLASS (klass);
+ GeglOperationPointFilterClass *point_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
+
+ object_class->finalize = gimp_operation_profile_transform_finalize;
+ object_class->set_property = gimp_operation_profile_transform_set_property;
+ object_class->get_property = gimp_operation_profile_transform_get_property;
+
+ gegl_operation_class_set_keys (operation_class,
+ "name", "gimp:profile-transform",
+ "categories", "color",
+ "description",
+ "Transform between two color profiles",
+ NULL);
+
+ operation_class->prepare = gimp_operation_profile_transform_prepare;
+
+ point_class->process = gimp_operation_profile_transform_process;
+
+ g_object_class_install_property (object_class, PROP_SRC_PROFILE,
+ g_param_spec_object ("src-profile",
+ "Source Profile",
+ "Source Profile",
+ GIMP_TYPE_COLOR_PROFILE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_SRC_FORMAT,
+ g_param_spec_pointer ("src-format",
+ "Source Format",
+ "Source Format",
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_DEST_PROFILE,
+ g_param_spec_object ("dest-profile",
+ "Destination Profile",
+ "Destination Profile",
+ GIMP_TYPE_COLOR_PROFILE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_DEST_FORMAT,
+ g_param_spec_pointer ("dest-format",
+ "Destination Format",
+ "Destination Format",
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_RENDERING_INTENT,
+ g_param_spec_enum ("rendering-intent",
+ "Rendering Intent",
+ "Rendering Intent",
+ GIMP_TYPE_COLOR_RENDERING_INTENT,
+ GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_BLACK_POINT_COMPENSATION,
+ g_param_spec_boolean ("black-point-compensation",
+ "Black Point Compensation",
+ "Black Point Compensation",
+ TRUE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+}
+
+static void
+gimp_operation_profile_transform_init (GimpOperationProfileTransform *self)
+{
+}
+
+static void
+gimp_operation_profile_transform_finalize (GObject *object)
+{
+ GimpOperationProfileTransform *self = GIMP_OPERATION_PROFILE_TRANSFORM (object);
+
+ g_clear_object (&self->src_profile);
+ g_clear_object (&self->dest_profile);
+ g_clear_object (&self->transform);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_operation_profile_transform_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpOperationProfileTransform *self = GIMP_OPERATION_PROFILE_TRANSFORM (object);
+
+ switch (property_id)
+ {
+ case PROP_SRC_PROFILE:
+ g_value_set_object (value, self->src_profile);
+ break;
+
+ case PROP_SRC_FORMAT:
+ g_value_set_pointer (value, (gpointer) self->src_format);
+ break;
+
+ case PROP_DEST_PROFILE:
+ g_value_set_object (value, self->dest_profile);
+ break;
+
+ case PROP_DEST_FORMAT:
+ g_value_set_pointer (value, (gpointer) self->dest_format);
+ break;
+
+ case PROP_RENDERING_INTENT:
+ g_value_set_enum (value, self->rendering_intent);
+ break;
+
+ case PROP_BLACK_POINT_COMPENSATION:
+ g_value_set_boolean (value, self->black_point_compensation);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_operation_profile_transform_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpOperationProfileTransform *self = GIMP_OPERATION_PROFILE_TRANSFORM (object);
+
+ switch (property_id)
+ {
+ case PROP_SRC_PROFILE:
+ if (self->src_profile)
+ g_object_unref (self->src_profile);
+ self->src_profile = g_value_dup_object (value);
+ break;
+
+ case PROP_SRC_FORMAT:
+ self->src_format = g_value_get_pointer (value);
+ break;
+
+ case PROP_DEST_PROFILE:
+ if (self->dest_profile)
+ g_object_unref (self->dest_profile);
+ self->dest_profile = g_value_dup_object (value);
+ break;
+
+ case PROP_DEST_FORMAT:
+ self->dest_format = g_value_get_pointer (value);
+ break;
+
+ case PROP_RENDERING_INTENT:
+ self->rendering_intent = g_value_get_enum (value);
+ break;
+
+ case PROP_BLACK_POINT_COMPENSATION:
+ self->black_point_compensation = g_value_get_boolean (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_operation_profile_transform_prepare (GeglOperation *operation)
+{
+ GimpOperationProfileTransform *self = GIMP_OPERATION_PROFILE_TRANSFORM (operation);
+
+ g_clear_object (&self->transform);
+
+ if (! self->src_format)
+ self->src_format = babl_format ("RGBA float");
+
+ if (! self->dest_format)
+ self->dest_format = babl_format ("RGBA float");
+
+ if (self->src_profile && self->dest_profile)
+ {
+ GimpColorTransformFlags flags = 0;
+
+ if (self->black_point_compensation)
+ flags |= GIMP_COLOR_TRANSFORM_FLAGS_BLACK_POINT_COMPENSATION;
+
+ flags |= GIMP_COLOR_TRANSFORM_FLAGS_NOOPTIMIZE;
+
+ self->transform = gimp_color_transform_new (self->src_profile,
+ self->src_format,
+ self->dest_profile,
+ self->dest_format,
+ self->rendering_intent,
+ flags);
+ }
+
+ gegl_operation_set_format (operation, "input", self->src_format);
+ gegl_operation_set_format (operation, "output", self->dest_format);
+}
+
+static gboolean
+gimp_operation_profile_transform_process (GeglOperation *operation,
+ void *in_buf,
+ void *out_buf,
+ glong samples,
+ const GeglRectangle *roi,
+ gint level)
+{
+ GimpOperationProfileTransform *self = GIMP_OPERATION_PROFILE_TRANSFORM (operation);
+ gpointer *src = in_buf;
+ gpointer *dest = out_buf;
+
+ if (self->transform)
+ {
+ gimp_color_transform_process_pixels (self->transform,
+ self->src_format,
+ src,
+ self->dest_format,
+ dest,
+ samples);
+ }
+ else
+ {
+ babl_process (babl_fish (self->src_format,
+ self->dest_format),
+ src, dest, samples);
+ }
+
+ return TRUE;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 23:22:15 +0000