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gimp/app/dialogs/convert-precision-dialog.c
Jehan 7cdf85693a app: multi-layer aware layers-mask-add and layers-mask-add-button. 
These actions raise a GimpViewableDialog. For this to work, I made this
widget work with a list of GimpViewable, not a single viewable anymore
(so maybe the widget class name should change?).
When this list contains only a single GimpViewable, it will display
exactly like before, with a viewable preview. With several viewables,
the preview won't show.

This allows to add masks to all selected layers at once, with the same
basic options for all masks, as set in the dialog.
2020-05-17 18:32:16 +02:00

331 lines
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/* 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 "libgimpbase/gimpbase.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "dialogs-types.h"
#include "gegl/gimp-babl.h"
#include "core/gimpcontext.h"
#include "core/gimpimage.h"
#include "core/gimp-utils.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpviewabledialog.h"
#include "widgets/gimpwidgets-utils.h"
#include "convert-precision-dialog.h"
#include "gimp-intl.h"
typedef struct _ConvertDialog ConvertDialog;
struct _ConvertDialog
{
GimpImage *image;
GimpComponentType component_type;
GimpTRCType trc;
GeglDitherMethod layer_dither_method;
GeglDitherMethod text_layer_dither_method;
GeglDitherMethod channel_dither_method;
GimpConvertPrecisionCallback callback;
gpointer user_data;
};
/* local function prototypes */
static void convert_precision_dialog_free (ConvertDialog *private);
static void convert_precision_dialog_response (GtkWidget *widget,
gint response_id,
ConvertDialog *private);
/* public functions */
GtkWidget *
convert_precision_dialog_new (GimpImage *image,
GimpContext *context,
GtkWidget *parent,
GimpComponentType component_type,
GeglDitherMethod layer_dither_method,
GeglDitherMethod text_layer_dither_method,
GeglDitherMethod channel_dither_method,
GimpConvertPrecisionCallback callback,
gpointer user_data)
{
ConvertDialog *private;
GtkWidget *dialog;
GtkWidget *main_vbox;
GtkWidget *vbox;
GtkWidget *frame;
GtkWidget *perceptual_radio;
const gchar *enum_desc;
gchar *blurb;
const Babl *old_format;
const Babl *new_format;
gint old_bits;
gint new_bits;
gboolean dither;
GimpTRCType trc;
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 (callback != NULL, NULL);
/* random formats with the right precision */
old_format = gimp_image_get_layer_format (image, FALSE);
new_format = gimp_babl_format (GIMP_RGB,
gimp_babl_precision (component_type, FALSE),
FALSE,
babl_format_get_space (old_format));
old_bits = (babl_format_get_bytes_per_pixel (old_format) * 8 /
babl_format_get_n_components (old_format));
new_bits = (babl_format_get_bytes_per_pixel (new_format) * 8 /
babl_format_get_n_components (new_format));
/* don't dither if we are converting to a higher bit depth,
* or to more than MAX_DITHER_BITS.
*/
dither = (new_bits < old_bits &&
new_bits <= CONVERT_PRECISION_DIALOG_MAX_DITHER_BITS);
trc = gimp_babl_format_get_trc (old_format);
trc = gimp_suggest_trc_for_component_type (component_type, trc);
private = g_slice_new0 (ConvertDialog);
private->image = image;
private->component_type = component_type;
private->trc = trc;
private->layer_dither_method = layer_dither_method;
private->text_layer_dither_method = text_layer_dither_method;
private->channel_dither_method = channel_dither_method;
private->callback = callback;
private->user_data = user_data;
gimp_enum_get_value (GIMP_TYPE_COMPONENT_TYPE, component_type,
NULL, NULL, &enum_desc, NULL);
blurb = g_strdup_printf (_("Convert Image to %s"), enum_desc);
dialog = gimp_viewable_dialog_new (g_list_prepend (NULL, image), context,
_("Encoding Conversion"),
"gimp-image-convert-precision",
GIMP_ICON_CONVERT_PRECISION,
blurb,
parent,
gimp_standard_help_func,
GIMP_HELP_IMAGE_CONVERT_PRECISION,
_("_Cancel"), GTK_RESPONSE_CANCEL,
_("C_onvert"), GTK_RESPONSE_OK,
NULL);
g_free (blurb);
gimp_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_precision_dialog_free, private);
g_signal_connect (dialog, "response",
G_CALLBACK (convert_precision_dialog_response),
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);
/* gamma */
frame = gimp_frame_new (_("Gamma"));
gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
vbox = gimp_int_radio_group_new (FALSE, NULL,
G_CALLBACK (gimp_radio_button_update),
&private->trc, NULL,
trc,
_("Linear light"),
GIMP_TRC_LINEAR, NULL,
_("Non-Linear"),
GIMP_TRC_NON_LINEAR, NULL,
_("Perceptual (sRGB)"),
GIMP_TRC_PERCEPTUAL, &perceptual_radio,
NULL);
if (private->trc != GIMP_TRC_PERCEPTUAL)
gtk_widget_hide (perceptual_radio);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
/* dithering */
if (dither)
{
GtkWidget *hbox;
GtkWidget *label;
GtkWidget *combo;
GtkSizeGroup *size_group;
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);
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
/* layers */
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 (_("_Layers:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_size_group_add_widget (size_group, label);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD);
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->layer_dither_method,
G_CALLBACK (gimp_int_combo_box_get_active),
&private->layer_dither_method, NULL);
/* text layers */
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 (_("_Text Layers:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_size_group_add_widget (size_group, label);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD);
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->text_layer_dither_method,
G_CALLBACK (gimp_int_combo_box_get_active),
&private->text_layer_dither_method, NULL);
gimp_help_set_help_data (combo,
_("Dithering text layers will make them "
"uneditable"),
NULL);
/* channels */
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 (_("_Channels and Masks:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_size_group_add_widget (size_group, label);
gtk_widget_show (label);
combo = gimp_enum_combo_box_new (GEGL_TYPE_DITHER_METHOD);
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->channel_dither_method,
G_CALLBACK (gimp_int_combo_box_get_active),
&private->channel_dither_method, NULL);
g_object_unref (size_group);
}
return dialog;
}
/* private functions */
static void
convert_precision_dialog_free (ConvertDialog *private)
{
g_slice_free (ConvertDialog, private);
}
static void
convert_precision_dialog_response (GtkWidget *dialog,
gint response_id,
ConvertDialog *private)
{
if (response_id == GTK_RESPONSE_OK)
{
GimpPrecision precision = gimp_babl_precision (private->component_type,
private->trc);
private->callback (dialog,
private->image,
precision,
private->layer_dither_method,
private->text_layer_dither_method,
private->channel_dither_method,
private->user_data);
}
else
{
gtk_widget_destroy (dialog);
}
}
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