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gimp/plug-ins/file-webp/file-webp-dialog.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* file-webp - WebP file format plug-in for the GIMP
* Copyright (C) 2015 Nathan Osman
* Copyright (C) 2016 Ben Touchette
*
* 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 <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include <webp/encode.h>
#include "file-webp.h"
#include "file-webp-dialog.h"
#include "libgimp/stdplugins-intl.h"
static void
save_dialog_toggle_scale (GObject *config,
const GParamSpec *pspec,
GtkWidget *scale)
{
gboolean lossless;
g_object_get (config,
"lossless", &lossless,
NULL);
gtk_widget_set_sensitive (scale, ! lossless);
}
static void
show_maxkeyframe_hints (GObject *config,
const GParamSpec *pspec,
GtkLabel *label)
{
gint kmax;
g_object_get (config,
"keyframe-distance", &kmax,
NULL);
if (kmax == 0)
{
gtk_label_set_text (label, _("(no keyframes)"));
}
else if (kmax == 1)
{
gtk_label_set_text (label, _("(all frames are keyframes)"));
}
else
{
gtk_label_set_text (label, "");
}
}
gboolean
save_dialog (GimpImage *image,
GimpProcedure *procedure,
GObject *config)
{
GtkWidget *dialog;
GtkWidget *vbox;
GtkWidget *grid;
GtkWidget *expander;
GtkWidget *frame;
GtkWidget *vbox2;
GtkWidget *label;
GtkWidget *toggle;
GtkListStore *store;
GtkWidget *combo;
GtkWidget *quality_scale;
GtkWidget *alpha_quality_scale;
gint32 nlayers;
gboolean animation_supported = FALSE;
gboolean run;
gchar *text;
gint row = 0;
g_free (gimp_image_get_layers (image, &nlayers));
animation_supported = nlayers > 1;
dialog = gimp_procedure_dialog_new (procedure,
GIMP_PROCEDURE_CONFIG (config),
_("Export Image as WebP"));
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
grid = gtk_grid_new ();
gtk_grid_set_row_spacing (GTK_GRID (grid), 6);
gtk_grid_set_column_spacing (GTK_GRID (grid), 6);
gtk_box_pack_start (GTK_BOX (vbox), grid, FALSE, FALSE, 0);
gtk_widget_show (grid);
/* Create the lossless checkbox */
toggle = gimp_prop_check_button_new (config, "lossless",
_("_Lossless"));
gtk_grid_attach (GTK_GRID (grid), toggle, 0, row, 3, 1);
row++;
/* Create the slider for image quality */
quality_scale = gimp_prop_scale_entry_new (config, "quality",
_("Image _quality:"),
1.0, FALSE, 0, 0);
gtk_grid_attach (GTK_GRID (grid), quality_scale, 0, row++, 3, 1);
gtk_widget_show (quality_scale);
/* Create the slider for alpha channel quality */
alpha_quality_scale = gimp_prop_scale_entry_new (config, "alpha-quality",
_("Alpha q_uality:"),
1.0, FALSE, 0, 0);
gtk_grid_attach (GTK_GRID (grid), alpha_quality_scale, 0, row++, 3, 1);
gtk_widget_show (alpha_quality_scale);
/* Enable and disable the sliders when the lossless option is selected */
g_signal_connect (config, "notify::lossless",
G_CALLBACK (save_dialog_toggle_scale),
quality_scale);
g_signal_connect (config, "notify::lossless",
G_CALLBACK (save_dialog_toggle_scale),
alpha_quality_scale);
save_dialog_toggle_scale (config, NULL, quality_scale);
save_dialog_toggle_scale (config, NULL, alpha_quality_scale);
/* Create the combobox containing the presets */
store = gimp_int_store_new ("Default", WEBP_PRESET_DEFAULT,
"Picture", WEBP_PRESET_PICTURE,
"Photo", WEBP_PRESET_PHOTO,
"Drawing", WEBP_PRESET_DRAWING,
"Icon", WEBP_PRESET_ICON,
"Text", WEBP_PRESET_TEXT,
NULL);
combo = gimp_prop_int_combo_box_new (config, "preset",
GIMP_INT_STORE (store));
g_object_unref (store);
label = gimp_grid_attach_aligned (GTK_GRID (grid), 0, row++,
_("Source _type:"), 0.0, 0.5,
combo, 2);
gimp_help_set_help_data (label,
_("WebP encoder \"preset\""),
NULL);
if (animation_supported)
{
GtkWidget *animation_box;
GtkWidget *delay;
GtkWidget *hbox;
GtkWidget *label_kf;
GtkWidget *kf_distance;
GtkWidget *hbox_kf;
PangoAttrList *attrs;
PangoAttribute *attr;
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
gtk_box_pack_start (GTK_BOX (vbox), vbox2, FALSE, FALSE, 0);
gtk_widget_show (vbox2);
text = g_strdup_printf ("<b>%s</b>", _("_Advanced Options"));
expander = gtk_expander_new_with_mnemonic (text);
gtk_expander_set_use_markup (GTK_EXPANDER (expander), TRUE);
g_free (text);
/* Create the top-level animation checkbox expander */
text = g_strdup_printf ("<b>%s</b>", _("As A_nimation"));
toggle = gimp_prop_check_button_new (config, "animation",
text);
g_free (text);
gtk_label_set_use_markup (GTK_LABEL (gtk_bin_get_child (GTK_BIN (toggle))),
TRUE);
gtk_box_pack_start (GTK_BOX (vbox2), toggle, TRUE, TRUE, 0);
frame = gimp_frame_new ("<expander>");
gtk_box_pack_start (GTK_BOX (vbox2), frame, TRUE, TRUE, 0);
gtk_widget_show (frame);
g_object_bind_property (toggle, "active",
frame, "visible",
G_BINDING_SYNC_CREATE);
/* animation options box */
animation_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (frame), animation_box);
gtk_widget_show (animation_box);
/* loop animation checkbox */
toggle = gimp_prop_check_button_new (config, "animation-loop",
_("Loop _forever"));
gtk_box_pack_start (GTK_BOX (animation_box), toggle,
FALSE, FALSE, 0);
/* create a hbox for 'max key-frame distance */
hbox_kf = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
gtk_box_pack_start (GTK_BOX (animation_box), hbox_kf, FALSE, FALSE, 0);
gtk_widget_set_sensitive (hbox_kf, TRUE);
gtk_widget_show (hbox_kf);
/* label for 'max key-frame distance' adjustment */
label_kf = gtk_label_new (_("Max distance between key-frames:"));
gtk_label_set_xalign (GTK_LABEL (label_kf), 0.2);
gtk_box_pack_start (GTK_BOX (hbox_kf), label_kf, FALSE, FALSE, 0);
gtk_widget_show (label_kf);
/* key-frame distance entry */
kf_distance = gimp_prop_spin_button_new (config, "keyframe-distance",
1.0, 1.0, 0);
gtk_box_pack_start (GTK_BOX (hbox_kf), kf_distance, FALSE, FALSE, 0);
/* Add some hinting text for special values of key-frame distance. */
label_kf = gtk_label_new (NULL);
gtk_box_pack_start (GTK_BOX (hbox_kf), label_kf, FALSE, FALSE, 0);
gtk_widget_show (label_kf);
attrs = pango_attr_list_new ();
attr = pango_attr_style_new (PANGO_STYLE_ITALIC);
pango_attr_list_insert (attrs, attr);
gtk_label_set_attributes (GTK_LABEL (label_kf), attrs);
pango_attr_list_unref (attrs);
g_signal_connect (config, "notify::keyframe-distance",
G_CALLBACK (show_maxkeyframe_hints),
label_kf);
show_maxkeyframe_hints (config, NULL, GTK_LABEL (label_kf));
/* minimize-size checkbox */
toggle = gimp_prop_check_button_new (config, "minimize-size",
_("_Minimize output size "
"(slower)"));
gtk_box_pack_start (GTK_BOX (animation_box), toggle,
FALSE, FALSE, 0);
/* Enable and disable the kf-distance box when the 'minimize size'
* option is selected
*/
g_object_bind_property (config, "minimize-size",
hbox_kf, "sensitive",
G_BINDING_SYNC_CREATE |
G_BINDING_INVERT_BOOLEAN);
/* create a hbox for delay */
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
gtk_box_pack_start (GTK_BOX (animation_box), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
/* label for 'delay' adjustment */
label = gtk_label_new (_("Delay between frames where unspecified:"));
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
/* default delay */
delay = gimp_prop_spin_button_new (config, "default-delay",
1, 10, 0);
gtk_box_pack_start (GTK_BOX (hbox), delay, FALSE, FALSE, 0);
/* label for 'ms' adjustment */
label = gtk_label_new (_("milliseconds"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
/* Create the force-delay checkbox */
toggle = gimp_prop_check_button_new (config, "force-delay",
_("Use _delay entered above for "
"all frames"));
gtk_box_pack_start (GTK_BOX (animation_box), toggle, FALSE, FALSE, 0);
}
/* Save EXIF data */
toggle = gimp_prop_check_button_new (config, "save-exif",
_("_Save Exif data"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
/* XMP metadata */
toggle = gimp_prop_check_button_new (config, "save-xmp",
_("Save _XMP data"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
/* Color profile */
toggle = gimp_prop_check_button_new (config, "save-color-profile",
_("Save color _profile"));
gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0);
gtk_widget_show (dialog);
run = gimp_procedure_dialog_run (GIMP_PROCEDURE_DIALOG (dialog));
gtk_widget_destroy (dialog);
return run;
}
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