436 lines
16 KiB
C
436 lines
16 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikabase/pikabase.h"
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#include "libpikawidgets/pikawidgets.h"
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#include "dialogs-types.h"
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#include "core/pikacontext.h"
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#include "core/pikaimage.h"
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#include "core/pika-utils.h"
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#include "widgets/pikahelp-ids.h"
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#include "widgets/pikaviewabledialog.h"
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#include "print-size-dialog.h"
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#include "pika-intl.h"
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#define RESPONSE_RESET 1
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#define SB_WIDTH 8
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typedef struct _PrintSizeDialog PrintSizeDialog;
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struct _PrintSizeDialog
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{
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PikaImage *image;
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PikaSizeEntry *size_entry;
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PikaSizeEntry *resolution_entry;
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PikaChainButton *chain;
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gdouble xres;
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gdouble yres;
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PikaResolutionCallback callback;
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gpointer user_data;
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};
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/* local function prototypes */
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static void print_size_dialog_free (PrintSizeDialog *private);
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static void print_size_dialog_response (GtkWidget *dialog,
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gint response_id,
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PrintSizeDialog *private);
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static void print_size_dialog_reset (PrintSizeDialog *private);
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static void print_size_dialog_size_changed (GtkWidget *widget,
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PrintSizeDialog *private);
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static void print_size_dialog_resolution_changed (GtkWidget *widget,
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PrintSizeDialog *private);
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static void print_size_dialog_set_size (PrintSizeDialog *private,
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gdouble width,
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gdouble height);
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static void print_size_dialog_set_resolution (PrintSizeDialog *private,
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gdouble xres,
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gdouble yres);
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/* public functions */
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GtkWidget *
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print_size_dialog_new (PikaImage *image,
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PikaContext *context,
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const gchar *title,
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const gchar *role,
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GtkWidget *parent,
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PikaHelpFunc help_func,
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const gchar *help_id,
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PikaResolutionCallback callback,
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gpointer user_data)
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{
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PrintSizeDialog *private;
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GtkWidget *dialog;
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GtkWidget *frame;
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GtkWidget *grid;
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GtkWidget *entry;
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GtkWidget *label;
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GtkWidget *width;
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GtkWidget *height;
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GtkWidget *hbox;
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GtkWidget *chain;
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GtkAdjustment *adj;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
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g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
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g_return_val_if_fail (callback != NULL, NULL);
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private = g_slice_new0 (PrintSizeDialog);
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private->image = image;
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private->callback = callback;
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private->user_data = user_data;
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pika_image_get_resolution (image, &private->xres, &private->yres);
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dialog = pika_viewable_dialog_new (g_list_prepend (NULL, image), context,
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title, role,
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PIKA_ICON_DOCUMENT_PRINT_RESOLUTION, title,
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parent,
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help_func, help_id,
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_("_Reset"), RESPONSE_RESET,
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_("_Cancel"), GTK_RESPONSE_CANCEL,
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_("_OK"), GTK_RESPONSE_OK,
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NULL);
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pika_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
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RESPONSE_RESET,
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GTK_RESPONSE_OK,
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GTK_RESPONSE_CANCEL,
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-1);
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gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
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g_object_weak_ref (G_OBJECT (dialog),
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(GWeakNotify) print_size_dialog_free, private);
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g_signal_connect (dialog, "response",
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G_CALLBACK (print_size_dialog_response),
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private);
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frame = pika_frame_new (_("Print Size"));
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gtk_container_set_border_width (GTK_CONTAINER (frame), 12);
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gtk_box_pack_start (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))),
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frame, FALSE, FALSE, 0);
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gtk_widget_show (frame);
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grid = gtk_grid_new ();
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gtk_grid_set_row_spacing (GTK_GRID (grid), 12);
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gtk_container_add (GTK_CONTAINER (frame), grid);
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gtk_widget_show (grid);
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/* the print size entry */
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adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
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width = pika_spin_button_new (adj, 1.0, 2);
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gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (width), TRUE);
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gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
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adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
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height = pika_spin_button_new (adj, 1.0, 2);
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gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (height), TRUE);
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gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
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entry = pika_size_entry_new (0, pika_get_default_unit (), "%p",
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FALSE, FALSE, FALSE, SB_WIDTH,
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PIKA_SIZE_ENTRY_UPDATE_SIZE);
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private->size_entry = PIKA_SIZE_ENTRY (entry);
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label = gtk_label_new_with_mnemonic (_("_Width:"));
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
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gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
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gtk_widget_show (label);
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label = gtk_label_new_with_mnemonic (_("H_eight:"));
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
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gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
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gtk_widget_show (label);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_grid_attach (GTK_GRID (grid), hbox, 1, 0, 1, 2);
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gtk_widget_show (hbox);
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gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
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gtk_widget_show (entry);
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pika_size_entry_add_field (PIKA_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (height), NULL);
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gtk_grid_attach (GTK_GRID (entry), height, 0, 1, 1, 1);
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gtk_widget_show (height);
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pika_size_entry_add_field (PIKA_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (width), NULL);
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gtk_grid_attach (GTK_GRID (entry), width, 0, 0, 1, 1);
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gtk_widget_show (width);
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pika_size_entry_set_resolution (PIKA_SIZE_ENTRY (entry), 0,
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private->xres, FALSE);
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pika_size_entry_set_resolution (PIKA_SIZE_ENTRY (entry), 1,
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private->yres, FALSE);
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pika_size_entry_set_refval_boundaries
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(PIKA_SIZE_ENTRY (entry), 0, PIKA_MIN_IMAGE_SIZE, PIKA_MAX_IMAGE_SIZE);
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pika_size_entry_set_refval_boundaries
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(PIKA_SIZE_ENTRY (entry), 1, PIKA_MIN_IMAGE_SIZE, PIKA_MAX_IMAGE_SIZE);
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pika_size_entry_set_refval (PIKA_SIZE_ENTRY (entry), 0,
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pika_image_get_width (image));
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pika_size_entry_set_refval (PIKA_SIZE_ENTRY (entry), 1,
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pika_image_get_height (image));
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/* the resolution entry */
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adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
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width = pika_spin_button_new (adj, 1.0, 2);
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gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (width), TRUE);
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gtk_entry_set_width_chars (GTK_ENTRY (width), SB_WIDTH);
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adj = gtk_adjustment_new (1, 1, 1, 1, 10, 0);
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height = pika_spin_button_new (adj, 1.0, 2);
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gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (height), TRUE);
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gtk_entry_set_width_chars (GTK_ENTRY (height), SB_WIDTH);
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label = gtk_label_new_with_mnemonic (_("_X resolution:"));
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), width);
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gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
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gtk_widget_show (label);
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label = gtk_label_new_with_mnemonic (_("_Y resolution:"));
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gtk_label_set_xalign (GTK_LABEL (label), 0.0);
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gtk_label_set_mnemonic_widget (GTK_LABEL (label), height);
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gtk_grid_attach (GTK_GRID (grid), label, 0, 3, 1, 1);
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gtk_widget_show (label);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_grid_attach (GTK_GRID (grid), hbox, 1, 2, 1, 2);
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gtk_widget_show (hbox);
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entry = pika_size_entry_new (0, pika_image_get_unit (image), _("pixels/%a"),
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FALSE, FALSE, FALSE, SB_WIDTH,
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PIKA_SIZE_ENTRY_UPDATE_RESOLUTION);
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private->resolution_entry = PIKA_SIZE_ENTRY (entry);
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gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0);
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gtk_widget_show (entry);
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pika_size_entry_add_field (PIKA_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (height), NULL);
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gtk_grid_attach (GTK_GRID (entry), height, 0, 1, 1, 1);
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gtk_widget_show (height);
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pika_size_entry_add_field (PIKA_SIZE_ENTRY (entry),
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GTK_SPIN_BUTTON (width), NULL);
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gtk_grid_attach (GTK_GRID (entry), width, 0, 0, 1, 1);
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gtk_widget_show (width);
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pika_size_entry_set_refval_boundaries (PIKA_SIZE_ENTRY (entry), 0,
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PIKA_MIN_RESOLUTION,
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PIKA_MAX_RESOLUTION);
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pika_size_entry_set_refval_boundaries (PIKA_SIZE_ENTRY (entry), 1,
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PIKA_MIN_RESOLUTION,
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PIKA_MAX_RESOLUTION);
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pika_size_entry_set_refval (PIKA_SIZE_ENTRY (entry), 0, private->xres);
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pika_size_entry_set_refval (PIKA_SIZE_ENTRY (entry), 1, private->yres);
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chain = pika_chain_button_new (PIKA_CHAIN_RIGHT);
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if (ABS (private->xres - private->yres) < PIKA_MIN_RESOLUTION)
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pika_chain_button_set_active (PIKA_CHAIN_BUTTON (chain), TRUE);
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gtk_grid_attach (GTK_GRID (entry), chain, 1, 0, 1, 2);
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gtk_widget_show (chain);
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private->chain = PIKA_CHAIN_BUTTON (chain);
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g_signal_connect (private->size_entry, "value-changed",
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G_CALLBACK (print_size_dialog_size_changed),
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private);
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g_signal_connect (private->resolution_entry, "value-changed",
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G_CALLBACK (print_size_dialog_resolution_changed),
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private);
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return dialog;
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}
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/* private functions */
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static void
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print_size_dialog_free (PrintSizeDialog *private)
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{
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g_slice_free (PrintSizeDialog, private);
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}
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static void
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print_size_dialog_response (GtkWidget *dialog,
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gint response_id,
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PrintSizeDialog *private)
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{
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PikaSizeEntry *entry = private->resolution_entry;
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switch (response_id)
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{
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case RESPONSE_RESET:
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print_size_dialog_reset (private);
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break;
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case GTK_RESPONSE_OK:
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private->callback (dialog,
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private->image,
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pika_size_entry_get_refval (entry, 0),
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pika_size_entry_get_refval (entry, 1),
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pika_size_entry_get_unit (entry),
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private->user_data);
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break;
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default:
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gtk_widget_destroy (dialog);
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break;
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}
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}
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static void
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print_size_dialog_reset (PrintSizeDialog *private)
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{
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gdouble xres, yres;
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pika_size_entry_set_unit (private->resolution_entry,
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pika_get_default_unit ());
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pika_image_get_resolution (private->image, &xres, &yres);
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print_size_dialog_set_resolution (private, xres, yres);
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}
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static void
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print_size_dialog_size_changed (GtkWidget *widget,
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PrintSizeDialog *private)
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{
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PikaImage *image = private->image;
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gdouble width;
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gdouble height;
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gdouble xres;
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gdouble yres;
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gdouble scale;
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scale = pika_unit_get_factor (pika_size_entry_get_unit (private->size_entry));
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width = pika_size_entry_get_value (private->size_entry, 0);
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height = pika_size_entry_get_value (private->size_entry, 1);
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xres = scale * pika_image_get_width (image) / MAX (0.001, width);
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yres = scale * pika_image_get_height (image) / MAX (0.001, height);
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xres = CLAMP (xres, PIKA_MIN_RESOLUTION, PIKA_MAX_RESOLUTION);
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yres = CLAMP (yres, PIKA_MIN_RESOLUTION, PIKA_MAX_RESOLUTION);
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print_size_dialog_set_resolution (private, xres, yres);
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print_size_dialog_set_size (private,
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pika_image_get_width (image),
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pika_image_get_height (image));
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}
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static void
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print_size_dialog_resolution_changed (GtkWidget *widget,
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PrintSizeDialog *private)
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{
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PikaSizeEntry *entry = private->resolution_entry;
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gdouble xres = pika_size_entry_get_refval (entry, 0);
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gdouble yres = pika_size_entry_get_refval (entry, 1);
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print_size_dialog_set_resolution (private, xres, yres);
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}
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static void
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print_size_dialog_set_size (PrintSizeDialog *private,
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gdouble width,
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gdouble height)
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{
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g_signal_handlers_block_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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pika_size_entry_set_refval (private->size_entry, 0, width);
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pika_size_entry_set_refval (private->size_entry, 1, height);
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g_signal_handlers_unblock_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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}
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static void
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print_size_dialog_set_resolution (PrintSizeDialog *private,
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gdouble xres,
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gdouble yres)
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{
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if (private->chain && pika_chain_button_get_active (private->chain))
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{
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if (xres != private->xres)
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yres = xres;
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else
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xres = yres;
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}
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private->xres = xres;
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private->yres = yres;
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g_signal_handlers_block_by_func (private->resolution_entry,
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print_size_dialog_resolution_changed,
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private);
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pika_size_entry_set_refval (private->resolution_entry, 0, xres);
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pika_size_entry_set_refval (private->resolution_entry, 1, yres);
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g_signal_handlers_unblock_by_func (private->resolution_entry,
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print_size_dialog_resolution_changed,
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private);
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g_signal_handlers_block_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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pika_size_entry_set_resolution (private->size_entry, 0, xres, TRUE);
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pika_size_entry_set_resolution (private->size_entry, 1, yres, TRUE);
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g_signal_handlers_unblock_by_func (private->size_entry,
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print_size_dialog_size_changed,
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private);
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}
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