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Diffstat (limited to 'app/widgets/gimpgradientselect.c')
| -rw-r--r-- | app/widgets/gimpgradientselect.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/app/widgets/gimpgradientselect.c b/app/widgets/gimpgradientselect.c new file mode 100644 index 0000000..9d2b285 --- /dev/null +++ b/app/widgets/gimpgradientselect.c @@ -0,0 +1,195 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * gimpgradientselect.c + * Copyright (C) 2004 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 <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpwidgets/gimpwidgets.h" + +#include "widgets-types.h" + +#include "core/gimp.h" +#include "core/gimpcontext.h" +#include "core/gimpgradient.h" +#include "core/gimpparamspecs.h" + +#include "pdb/gimppdb.h" + +#include "gimpcontainerbox.h" +#include "gimpdatafactoryview.h" +#include "gimpgradientselect.h" + + +enum +{ + PROP_0, + PROP_SAMPLE_SIZE +}; + + +static void gimp_gradient_select_constructed (GObject *object); +static void gimp_gradient_select_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); + +static GimpValueArray * gimp_gradient_select_run_callback (GimpPdbDialog *dialog, + GimpObject *object, + gboolean closing, + GError **error); + + +G_DEFINE_TYPE (GimpGradientSelect, gimp_gradient_select, + GIMP_TYPE_PDB_DIALOG) + +#define parent_class gimp_gradient_select_parent_class + + +static void +gimp_gradient_select_class_init (GimpGradientSelectClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpPdbDialogClass *pdb_class = GIMP_PDB_DIALOG_CLASS (klass); + + object_class->constructed = gimp_gradient_select_constructed; + object_class->set_property = gimp_gradient_select_set_property; + + pdb_class->run_callback = gimp_gradient_select_run_callback; + + g_object_class_install_property (object_class, PROP_SAMPLE_SIZE, + g_param_spec_int ("sample-size", NULL, NULL, + 0, 10000, 84, + GIMP_PARAM_WRITABLE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_gradient_select_init (GimpGradientSelect *select) +{ +} + +static void +gimp_gradient_select_constructed (GObject *object) +{ + GimpPdbDialog *dialog = GIMP_PDB_DIALOG (object); + GtkWidget *content_area; + + G_OBJECT_CLASS (parent_class)->constructed (object); + + dialog->view = + gimp_data_factory_view_new (GIMP_VIEW_TYPE_LIST, + dialog->context->gimp->gradient_factory, + dialog->context, + GIMP_VIEW_SIZE_MEDIUM, 1, + dialog->menu_factory, "<Gradients>", + "/gradients-popup", + "gradients"); + + gimp_container_box_set_size_request (GIMP_CONTAINER_BOX (GIMP_CONTAINER_EDITOR (dialog->view)->view), + 6 * (GIMP_VIEW_SIZE_MEDIUM + 2), + 6 * (GIMP_VIEW_SIZE_MEDIUM + 2)); + + gtk_container_set_border_width (GTK_CONTAINER (dialog->view), 12); + + content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog)); + gtk_box_pack_start (GTK_BOX (content_area), dialog->view, TRUE, TRUE, 0); + gtk_widget_show (dialog->view); +} + +static void +gimp_gradient_select_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpGradientSelect *select = GIMP_GRADIENT_SELECT (object); + + switch (property_id) + { + case PROP_SAMPLE_SIZE: + select->sample_size = g_value_get_int (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static GimpValueArray * +gimp_gradient_select_run_callback (GimpPdbDialog *dialog, + GimpObject *object, + gboolean closing, + GError **error) +{ + GimpGradient *gradient = GIMP_GRADIENT (object); + GimpGradientSegment *seg = NULL; + gdouble *values, *pv; + gdouble pos, delta; + GimpRGB color; + gint i; + GimpArray *array; + GimpValueArray *return_vals; + + i = GIMP_GRADIENT_SELECT (dialog)->sample_size; + pos = 0.0; + delta = 1.0 / (i - 1); + + values = g_new (gdouble, 4 * i); + pv = values; + + while (i--) + { + seg = gimp_gradient_get_color_at (gradient, dialog->caller_context, + seg, pos, FALSE, + GIMP_GRADIENT_BLEND_RGB_PERCEPTUAL, + &color); + + *pv++ = color.r; + *pv++ = color.g; + *pv++ = color.b; + *pv++ = color.a; + + pos += delta; + } + + array = gimp_array_new ((guint8 *) values, + GIMP_GRADIENT_SELECT (dialog)->sample_size * 4 * + sizeof (gdouble), + TRUE); + array->static_data = FALSE; + + return_vals = + gimp_pdb_execute_procedure_by_name (dialog->pdb, + dialog->caller_context, + NULL, error, + dialog->callback_name, + G_TYPE_STRING, gimp_object_get_name (object), + GIMP_TYPE_INT32, array->length / sizeof (gdouble), + GIMP_TYPE_FLOAT_ARRAY, array, + GIMP_TYPE_INT32, closing, + G_TYPE_NONE); + + gimp_array_free (array); + + return return_vals; +} |