gimp/libgimp/gimpvectorloadproceduredial...

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpvectorloadproceduredialog.c
* Copyright (C) 2024 Jehan
*
* 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 "gimp.h"
#include "gimpui.h"
#include "gimpvectorloadproceduredialog.h"
#include "gimpresolutionentry-private.h"
#include "libgimp-intl.h"
struct _GimpVectorLoadProcedureDialog
{
GimpProcedureDialog parent_instance;
GFile *file;
GimpVectorLoadData *extracted_data;
};
static void gimp_vector_load_procedure_dialog_fill_start (GimpProcedureDialog *dialog,
GimpProcedure *procedure,
GimpProcedureConfig *config);
static void gimp_vector_load_procedure_dialog_fill_list (GimpProcedureDialog *dialog,
GimpProcedure *procedure,
GimpProcedureConfig *config,
GList *properties);
static void gimp_vector_load_procedure_dialog_preview_allocate (GtkWidget *gtk_image,
GtkAllocation *allocation,
GimpVectorLoadProcedureDialog *dialog);
G_DEFINE_TYPE (GimpVectorLoadProcedureDialog, gimp_vector_load_procedure_dialog, GIMP_TYPE_PROCEDURE_DIALOG)
#define parent_class gimp_vector_load_procedure_dialog_parent_class
static void
gimp_vector_load_procedure_dialog_class_init (GimpVectorLoadProcedureDialogClass *klass)
{
GimpProcedureDialogClass *proc_dialog_class = GIMP_PROCEDURE_DIALOG_CLASS (klass);
proc_dialog_class->fill_start = gimp_vector_load_procedure_dialog_fill_start;
proc_dialog_class->fill_list = gimp_vector_load_procedure_dialog_fill_list;
}
static void
gimp_vector_load_procedure_dialog_init (GimpVectorLoadProcedureDialog *dialog)
{
dialog->file = NULL;
}
static void
gimp_vector_load_procedure_dialog_fill_start (GimpProcedureDialog *dialog,
GimpProcedure *procedure,
GimpProcedureConfig *config)
{
GimpVectorLoadProcedureDialog *vector_dialog = GIMP_VECTOR_LOAD_PROCEDURE_DIALOG (dialog);
GtkWidget *content_area;
GtkWidget *top_hbox;
GtkWidget *main_vbox;
GtkWidget *res_entry;
GtkWidget *label;
gchar *text = NULL;
gchar *markup = NULL;
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
gtk_box_pack_start (GTK_BOX (content_area), main_vbox, FALSE, FALSE, 0);
gtk_widget_show (main_vbox);
top_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_box_pack_start (GTK_BOX (main_vbox), top_hbox, FALSE, FALSE, 0);
gtk_widget_show (top_hbox);
/* Resolution */
res_entry = gimp_prop_resolution_entry_new (G_OBJECT (config),
"width", "height", "pixel-density",
"physical-unit");
gtk_box_pack_start (GTK_BOX (top_hbox), res_entry, FALSE, FALSE, 0);
gtk_widget_show (res_entry);
/* Preview */
if (vector_dialog->file)
{
GtkWidget *image;
image = gtk_image_new ();
g_signal_connect (image, "size-allocate",
G_CALLBACK (gimp_vector_load_procedure_dialog_preview_allocate),
dialog);
gtk_box_pack_start (GTK_BOX (top_hbox), image, FALSE, FALSE, 0);
gtk_widget_show (image);
}
if (vector_dialog->extracted_data)
{
if (vector_dialog->extracted_data->exact_width && vector_dialog->extracted_data->exact_height)
{
/* TRANSLATORS: the %s is a vector format name, e.g. "SVG" or "PDF",
* followed by 2D dimensions with unit, e.g. "200 inch x 400 inch"
*/
text = g_strdup_printf (_("Source %s file size: %%.%df %s × %%.%df %s"),
gimp_file_procedure_get_format_name (GIMP_FILE_PROCEDURE (procedure)),
gimp_unit_get_digits (vector_dialog->extracted_data->width_unit),
gimp_unit_get_abbreviation (vector_dialog->extracted_data->width_unit),
gimp_unit_get_digits (vector_dialog->extracted_data->height_unit),
gimp_unit_get_abbreviation (vector_dialog->extracted_data->height_unit));
markup = g_strdup_printf (text, vector_dialog->extracted_data->width, vector_dialog->extracted_data->height);
}
else if (vector_dialog->extracted_data->correct_ratio)
{
gdouble ratio_width = 0.0;
gint ratio_width_digits = 0;
gdouble ratio_height = 0.0;
gint ratio_height_digits = 0;
if (vector_dialog->extracted_data->width_unit == vector_dialog->extracted_data->height_unit)
{
ratio_width = vector_dialog->extracted_data->width;
ratio_height = vector_dialog->extracted_data->height;
if (vector_dialog->extracted_data->width_unit == gimp_unit_pixel () ||
vector_dialog->extracted_data->width_unit == gimp_unit_percent ())
ratio_width_digits = ratio_height_digits = 0;
else
ratio_width_digits = ratio_height_digits = gimp_unit_get_digits (vector_dialog->extracted_data->width_unit);
}
else if (vector_dialog->extracted_data->width_unit != gimp_unit_pixel () && vector_dialog->extracted_data->height_unit != gimp_unit_pixel () &&
vector_dialog->extracted_data->width_unit != gimp_unit_percent () && vector_dialog->extracted_data->height_unit != gimp_unit_percent ())
{
ratio_width = vector_dialog->extracted_data->width / gimp_unit_get_factor (vector_dialog->extracted_data->width_unit);
ratio_height = vector_dialog->extracted_data->height / gimp_unit_get_factor (vector_dialog->extracted_data->height_unit);
ratio_width_digits = ratio_height_digits = gimp_unit_get_digits (gimp_unit_inch ());
}
if (ratio_width != 0.0 && ratio_height != 0.0)
{
/* TRANSLATOR: the %s is a vector format name, e.g. "SVG" or "PDF". */
text = g_strdup_printf (_("Source %s file's aspect ratio: %%.%df × %%.%df"),
gimp_file_procedure_get_format_name (GIMP_FILE_PROCEDURE (procedure)),
ratio_width_digits, ratio_height_digits);
markup = g_strdup_printf (text, ratio_width, ratio_height);
}
}
else if (vector_dialog->extracted_data->width != 0.0 && vector_dialog->extracted_data->height != 0.0)
{
text = g_strdup_printf (_("Approximated source %s file size: %%.%df %s × %%.%df %s"),
gimp_file_procedure_get_format_name (GIMP_FILE_PROCEDURE (procedure)),
gimp_unit_get_digits (vector_dialog->extracted_data->width_unit),
gimp_unit_get_abbreviation (vector_dialog->extracted_data->width_unit),
gimp_unit_get_digits (vector_dialog->extracted_data->height_unit),
gimp_unit_get_abbreviation (vector_dialog->extracted_data->height_unit));
markup = g_strdup_printf (text, vector_dialog->extracted_data->width, vector_dialog->extracted_data->height);
}
}
if (markup == NULL)
{
/* TRANSLATOR: the %s is a vector format name, e.g. "SVG" or "PDF". */
text = g_strdup_printf (_("The source %s file does not specify a size!"),
gimp_file_procedure_get_format_name (GIMP_FILE_PROCEDURE (procedure)));
markup = g_strdup_printf ("<i>%s</i>", text);
}
label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (label), markup);
gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
gtk_box_pack_start (GTK_BOX (main_vbox), label, TRUE, TRUE, 4);
gtk_widget_show (label);
g_free (text);
g_free (markup);
GIMP_PROCEDURE_DIALOG_CLASS (parent_class)->fill_start (dialog, procedure, config);
}
static void
gimp_vector_load_procedure_dialog_fill_list (GimpProcedureDialog *dialog,
GimpProcedure *procedure,
GimpProcedureConfig *config,
GList *properties)
{
GList *properties2 = NULL;
GList *iter;
for (iter = properties; iter; iter = iter->next)
{
gchar *propname = iter->data;
if (g_strcmp0 (propname, "width") == 0 ||
g_strcmp0 (propname, "height") == 0 ||
g_strcmp0 (propname, "keep-ratio") == 0 ||
g_strcmp0 (propname, "prefer-native-dimensions") == 0 ||
g_strcmp0 (propname, "pixel-density") == 0 ||
g_strcmp0 (propname, "physical-unit") == 0)
/* Ignoring the standards args which are being handled by fill_start(). */
continue;
properties2 = g_list_prepend (properties2, propname);
}
properties2 = g_list_reverse (properties2);
GIMP_PROCEDURE_DIALOG_CLASS (parent_class)->fill_list (dialog, procedure, config, properties2);
g_list_free (properties2);
}
static void
gimp_vector_load_procedure_dialog_preview_allocate (GtkWidget *gtk_image,
GtkAllocation *allocation,
GimpVectorLoadProcedureDialog *dialog)
{
if (dialog->file)
{
GimpProcedure *procedure = NULL;
GimpValueArray *retval;
GimpPDBStatusType status;
g_object_get (dialog, "procedure", &procedure, NULL);
retval = gimp_procedure_run (procedure,
"file", dialog->file,
"width", allocation->height,
"height", allocation->height,
"keep-ratio", TRUE,
NULL);
status = g_value_get_enum (gimp_value_array_index (retval, 0));
if (status == GIMP_PDB_SUCCESS)
{
GimpImage *image;
GdkPixbuf *preview;
image = g_value_get_object (gimp_value_array_index (retval, 1));
preview = gimp_image_get_thumbnail (image,
gimp_image_get_width (image),
gimp_image_get_height (image),
GIMP_PIXBUF_SMALL_CHECKS);
gtk_image_set_from_pixbuf (GTK_IMAGE (gtk_image), preview);
gimp_image_delete (image);
}
gimp_value_array_unref (retval);
}
}
/* Public Functions */
/**
* gimp_vector_load_procedure_dialog_new:
* @procedure: the associated #GimpVectorLoadProcedure.
* @config: a #GimpProcedureConfig from which properties will be
* turned into widgets.
* @extracted_data: (nullable): the extracted dimensions of the file to load.
* @file: (nullable): a [iface@Gio.File] to load the preview from.
*
* Creates a new dialog for @procedure using widgets generated from
* properties of @config.
*
* @file must be the same vector file which was passed to the
* [callback@Gimp.RunVectorLoadFunc] implementation for your plug-in. If you pass any
* other file, then the preview may be wrong or not showing at all. And it is
* considered a programming error.
*
* As for all #GtkWindow, the returned #GimpProcedureDialog object is
* owned by GTK and its initial reference is stored in an internal list
* of top-level windows. To delete the dialog, call
* gtk_widget_destroy().
*
* Returns: (transfer none): the newly created #GimpVectorLoadProcedureDialog.
*/
GtkWidget *
gimp_vector_load_procedure_dialog_new (GimpVectorLoadProcedure *procedure,
GimpProcedureConfig *config,
GimpVectorLoadData *extracted_data,
GFile *file)
{
GtkWidget *dialog;
gchar *title;
const gchar *format_name;
const gchar *help_id;
gboolean use_header_bar;
g_return_val_if_fail (GIMP_IS_VECTOR_LOAD_PROCEDURE (procedure), NULL);
g_return_val_if_fail (GIMP_IS_PROCEDURE_CONFIG (config), NULL);
g_return_val_if_fail (gimp_procedure_config_get_procedure (config) ==
GIMP_PROCEDURE (procedure), NULL);
g_return_val_if_fail (file == NULL || G_IS_FILE (file), NULL);
format_name = gimp_file_procedure_get_format_name (GIMP_FILE_PROCEDURE (procedure));
if (! format_name)
{
g_critical ("%s: no format name set on file procedure '%s'. "
"Set one with gimp_file_procedure_set_format_name()",
G_STRFUNC,
gimp_procedure_get_name (GIMP_PROCEDURE (procedure)));
return NULL;
}
/* TRANSLATORS: %s will be a format name, e.g. "PNG" or "JPEG". */
title = g_strdup_printf (_("Load %s Image"), format_name);
help_id = gimp_procedure_get_help_id (GIMP_PROCEDURE (procedure));
g_object_get (gtk_settings_get_default (),
"gtk-dialogs-use-header", &use_header_bar,
NULL);
dialog = g_object_new (GIMP_TYPE_VECTOR_LOAD_PROCEDURE_DIALOG,
"procedure", procedure,
"config", config,
"title", title,
"help-func", gimp_standard_help_func,
"help-id", help_id,
"use-header-bar", use_header_bar,
NULL);
GIMP_VECTOR_LOAD_PROCEDURE_DIALOG (dialog)->file = file;
GIMP_VECTOR_LOAD_PROCEDURE_DIALOG (dialog)->extracted_data = extracted_data;
g_free (title);
return dialog;
}