summaryrefslogtreecommitdiffstats
path: root/app/dialogs/convert-indexed-dialog.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
commit5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch)
treecbffb45144febf451e54061db2b21395faf94bfe /app/dialogs/convert-indexed-dialog.c
parentInitial commit. (diff)
downloadgimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz
gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--app/dialogs/convert-indexed-dialog.c436
1 files changed, 436 insertions, 0 deletions
diff --git a/app/dialogs/convert-indexed-dialog.c b/app/dialogs/convert-indexed-dialog.c
new file mode 100644
index 0000000..95b705d
--- /dev/null
+++ b/app/dialogs/convert-indexed-dialog.c
@@ -0,0 +1,436 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 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 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 "libgimpwidgets/gimpwidgets.h"
+
+#include "dialogs-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontainer-filter.h"
+#include "core/gimpcontext.h"
+#include "core/gimpdatafactory.h"
+#include "core/gimpimage.h"
+#include "core/gimplist.h"
+#include "core/gimppalette.h"
+
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpviewablebox.h"
+#include "widgets/gimpviewabledialog.h"
+#include "widgets/gimpwidgets-utils.h"
+
+#include "convert-indexed-dialog.h"
+
+#include "gimp-intl.h"
+
+
+typedef struct _IndexedDialog IndexedDialog;
+
+struct _IndexedDialog
+{
+ GimpImage *image;
+ GimpConvertPaletteType palette_type;
+ gint max_colors;
+ gboolean remove_duplicates;
+ GimpConvertDitherType dither_type;
+ gboolean dither_alpha;
+ gboolean dither_text_layers;
+ GimpPalette *custom_palette;
+ GimpConvertIndexedCallback callback;
+ gpointer user_data;
+
+ GtkWidget *dialog;
+ GimpContext *context;
+ GimpContainer *container;
+ GtkWidget *duplicates_toggle;
+};
+
+
+static void convert_dialog_free (IndexedDialog *private);
+static void convert_dialog_response (GtkWidget *widget,
+ gint response_id,
+ IndexedDialog *private);
+static GtkWidget * convert_dialog_palette_box (IndexedDialog *private);
+static gboolean convert_dialog_palette_filter (GimpObject *object,
+ gpointer user_data);
+static void convert_dialog_palette_changed (GimpContext *context,
+ GimpPalette *palette,
+ IndexedDialog *private);
+static void convert_dialog_type_update (GtkWidget *widget,
+ IndexedDialog *private);
+
+
+
+/* public functions */
+
+GtkWidget *
+convert_indexed_dialog_new (GimpImage *image,
+ GimpContext *context,
+ GtkWidget *parent,
+ GimpConvertPaletteType palette_type,
+ gint max_colors,
+ gboolean remove_duplicates,
+ GimpConvertDitherType dither_type,
+ gboolean dither_alpha,
+ gboolean dither_text_layers,
+ GimpPalette *custom_palette,
+ GimpConvertIndexedCallback callback,
+ gpointer user_data)
+{
+ IndexedDialog *private;
+ GtkWidget *dialog;
+ GtkWidget *button;
+ GtkWidget *main_vbox;
+ GtkWidget *vbox;
+ GtkWidget *hbox;
+ GtkWidget *label;
+ GtkAdjustment *adjustment;
+ GtkWidget *spinbutton;
+ GtkWidget *frame;
+ GtkWidget *toggle;
+ GtkWidget *palette_box;
+ GtkWidget *combo;
+
+ g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (GTK_IS_WIDGET (parent), NULL);
+ g_return_val_if_fail (custom_palette == NULL ||
+ GIMP_IS_PALETTE (custom_palette), NULL);
+ g_return_val_if_fail (callback != NULL, NULL);
+
+ private = g_slice_new0 (IndexedDialog);
+
+ private->image = image;
+ private->palette_type = palette_type;
+ private->max_colors = max_colors;
+ private->remove_duplicates = remove_duplicates;
+ private->dither_type = dither_type;
+ private->dither_alpha = dither_alpha;
+ private->dither_text_layers = dither_text_layers;
+ private->custom_palette = custom_palette;
+ private->callback = callback;
+ private->user_data = user_data;
+
+ private->dialog = dialog =
+ gimp_viewable_dialog_new (GIMP_VIEWABLE (image), context,
+ _("Indexed Color Conversion"),
+ "gimp-image-convert-indexed",
+ GIMP_ICON_CONVERT_INDEXED,
+ _("Convert Image to Indexed Colors"),
+ parent,
+ gimp_standard_help_func,
+ GIMP_HELP_IMAGE_CONVERT_INDEXED,
+
+ _("_Cancel"), GTK_RESPONSE_CANCEL,
+ _("C_onvert"), GTK_RESPONSE_OK,
+
+ NULL);
+
+ gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+ GTK_RESPONSE_OK,
+ GTK_RESPONSE_CANCEL,
+ -1);
+
+ gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+
+ g_object_weak_ref (G_OBJECT (dialog),
+ (GWeakNotify) convert_dialog_free, private);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (convert_dialog_response),
+ private);
+
+ palette_box = convert_dialog_palette_box (private);
+
+ main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
+ gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12);
+ gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
+ main_vbox, TRUE, TRUE, 0);
+ gtk_widget_show (main_vbox);
+
+
+ /* palette */
+
+ frame =
+ gimp_enum_radio_frame_new_with_range (GIMP_TYPE_CONVERT_PALETTE_TYPE,
+ GIMP_CONVERT_PALETTE_GENERATE,
+ (palette_box ?
+ GIMP_CONVERT_PALETTE_CUSTOM :
+ GIMP_CONVERT_PALETTE_MONO),
+ gtk_label_new (_("Colormap")),
+ G_CALLBACK (convert_dialog_type_update),
+ private,
+ &button);
+
+ gimp_int_radio_group_set_active (GTK_RADIO_BUTTON (button),
+ private->palette_type);
+ gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ /* max n_colors */
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gimp_enum_radio_frame_add (GTK_FRAME (frame), hbox,
+ GIMP_CONVERT_PALETTE_GENERATE, TRUE);
+ gtk_widget_show (hbox);
+
+ label = gtk_label_new_with_mnemonic (_("_Maximum number of colors:"));
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ if (private->max_colors == 256 && gimp_image_has_alpha (image))
+ private->max_colors = 255;
+
+ adjustment = (GtkAdjustment *)
+ gtk_adjustment_new (private->max_colors, 2, 256, 1, 8, 0);
+ spinbutton = gimp_spin_button_new (adjustment, 1.0, 0);
+ gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinbutton);
+ gtk_box_pack_start (GTK_BOX (hbox), spinbutton, FALSE, FALSE, 0);
+ gtk_widget_show (spinbutton);
+
+ g_signal_connect (adjustment, "value-changed",
+ G_CALLBACK (gimp_int_adjustment_update),
+ &private->max_colors);
+
+ /* custom palette */
+ if (palette_box)
+ {
+ gimp_enum_radio_frame_add (GTK_FRAME (frame), palette_box,
+ GIMP_CONVERT_PALETTE_CUSTOM, TRUE);
+ gtk_widget_show (palette_box);
+ }
+
+ vbox = gtk_bin_get_child (GTK_BIN (frame));
+
+ private->duplicates_toggle = toggle =
+ gtk_check_button_new_with_mnemonic (_("_Remove unused and duplicate "
+ "colors from colormap"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
+ private->remove_duplicates);
+ gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 3);
+ gtk_widget_show (toggle);
+
+ if (private->palette_type == GIMP_CONVERT_PALETTE_GENERATE ||
+ private->palette_type == GIMP_CONVERT_PALETTE_MONO)
+ gtk_widget_set_sensitive (toggle, FALSE);
+
+ g_signal_connect (toggle, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &private->remove_duplicates);
+
+ /* dithering */
+
+ frame = gimp_frame_new (_("Dithering"));
+ gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
+ gtk_container_add (GTK_CONTAINER (frame), vbox);
+ gtk_widget_show (vbox);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ label = gtk_label_new_with_mnemonic (_("Color _dithering:"));
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ combo = gimp_enum_combo_box_new (GIMP_TYPE_CONVERT_DITHER_TYPE);
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+ gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+ gtk_widget_show (combo);
+
+ gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
+ private->dither_type,
+ G_CALLBACK (gimp_int_combo_box_get_active),
+ &private->dither_type);
+
+ toggle =
+ gtk_check_button_new_with_mnemonic (_("Enable dithering of _transparency"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
+ private->dither_alpha);
+ gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
+ gtk_widget_show (toggle);
+
+ g_signal_connect (toggle, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &private->dither_alpha);
+
+
+ toggle =
+ gtk_check_button_new_with_mnemonic (_("Enable dithering of text _layers"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
+ private->dither_text_layers);
+ gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
+ gtk_widget_show (toggle);
+
+ g_signal_connect (toggle, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &private->dither_text_layers);
+
+ gimp_help_set_help_data (toggle,
+ _("Dithering text layers will make them uneditable"),
+ NULL);
+
+ return dialog;
+}
+
+
+/* private functions */
+
+static void
+convert_dialog_free (IndexedDialog *private)
+{
+ if (private->container)
+ g_object_unref (private->container);
+
+ if (private->context)
+ g_object_unref (private->context);
+
+ g_slice_free (IndexedDialog, private);
+}
+
+static void
+convert_dialog_response (GtkWidget *dialog,
+ gint response_id,
+ IndexedDialog *private)
+{
+ if (response_id == GTK_RESPONSE_OK)
+ {
+ private->callback (dialog,
+ private->image,
+ private->palette_type,
+ private->max_colors,
+ private->remove_duplicates,
+ private->dither_type,
+ private->dither_alpha,
+ private->dither_text_layers,
+ private->custom_palette,
+ private->user_data);
+ }
+ else
+ {
+ gtk_widget_destroy (dialog);
+ }
+}
+
+static GtkWidget *
+convert_dialog_palette_box (IndexedDialog *private)
+{
+ Gimp *gimp = private->image->gimp;
+ GList *list;
+ GimpPalette *web_palette = NULL;
+ gboolean custom_found = FALSE;
+
+ /* We can't dither to > 256 colors */
+ private->container =
+ gimp_container_filter (gimp_data_factory_get_container (gimp->palette_factory),
+ convert_dialog_palette_filter,
+ NULL);
+
+ if (gimp_container_is_empty (private->container))
+ {
+ g_object_unref (private->container);
+ private->container = NULL;
+ return NULL;
+ }
+
+ private->context = gimp_context_new (gimp, "convert-dialog", NULL);
+
+ for (list = GIMP_LIST (private->container)->queue->head;
+ list;
+ list = g_list_next (list))
+ {
+ GimpPalette *palette = list->data;
+
+ /* Preferentially, the initial default is 'Web' if available */
+ if (web_palette == NULL &&
+ g_ascii_strcasecmp (gimp_object_get_name (palette), "Web") == 0)
+ {
+ web_palette = palette;
+ }
+
+ if (private->custom_palette == palette)
+ custom_found = TRUE;
+ }
+
+ if (! custom_found)
+ {
+ if (web_palette)
+ private->custom_palette = web_palette;
+ else
+ private->custom_palette = GIMP_LIST (private->container)->queue->head->data;
+ }
+
+ gimp_context_set_palette (private->context, private->custom_palette);
+
+ g_signal_connect (private->context, "palette-changed",
+ G_CALLBACK (convert_dialog_palette_changed),
+ private);
+
+ return gimp_palette_box_new (private->container, private->context, NULL, 4);
+}
+
+static gboolean
+convert_dialog_palette_filter (GimpObject *object,
+ gpointer user_data)
+{
+ GimpPalette *palette = GIMP_PALETTE (object);
+
+ return (gimp_palette_get_n_colors (palette) > 0 &&
+ gimp_palette_get_n_colors (palette) <= 256);
+}
+
+static void
+convert_dialog_palette_changed (GimpContext *context,
+ GimpPalette *palette,
+ IndexedDialog *private)
+{
+ if (! palette)
+ return;
+
+ if (gimp_palette_get_n_colors (palette) > 256)
+ {
+ gimp_message (private->image->gimp, G_OBJECT (private->dialog),
+ GIMP_MESSAGE_WARNING,
+ _("Cannot convert to a palette "
+ "with more than 256 colors."));
+ }
+ else
+ {
+ private->custom_palette = palette;
+ }
+}
+
+static void
+convert_dialog_type_update (GtkWidget *widget,
+ IndexedDialog *private)
+{
+ gimp_radio_button_update (widget, &private->palette_type);
+
+ if (private->duplicates_toggle)
+ gtk_widget_set_sensitive (private->duplicates_toggle,
+ private->palette_type !=
+ GIMP_CONVERT_PALETTE_GENERATE &&
+ private->palette_type !=
+ GIMP_CONVERT_PALETTE_MONO);
+}