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-rw-r--r--app/dialogs/resize-dialog.c853
1 files changed, 853 insertions, 0 deletions
diff --git a/app/dialogs/resize-dialog.c b/app/dialogs/resize-dialog.c
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index 0000000..7f20702
--- /dev/null
+++ b/app/dialogs/resize-dialog.c
@@ -0,0 +1,853 @@
+/* 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 "libgimpmath/gimpmath.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "dialogs-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+#include "core/gimplayer.h"
+#include "core/gimptemplate.h"
+
+#include "widgets/gimpcontainercombobox.h"
+#include "widgets/gimphelp-ids.h"
+#include "widgets/gimpsizebox.h"
+#include "widgets/gimpviewabledialog.h"
+#include "widgets/gimpwidgets-constructors.h"
+
+#include "resize-dialog.h"
+
+#include "gimp-intl.h"
+
+
+#define RESPONSE_RESET 1
+#define SB_WIDTH 8
+
+
+typedef struct _ResizeDialog ResizeDialog;
+
+struct _ResizeDialog
+{
+ GimpViewable *viewable;
+ GimpContext *context;
+ GimpContext *parent_context;
+ GimpFillType fill_type;
+ GimpItemSet layer_set;
+ gboolean resize_text_layers;
+ GimpResizeCallback callback;
+ gpointer user_data;
+
+ gdouble old_xres;
+ gdouble old_yres;
+ GimpUnit old_res_unit;
+ gint old_width;
+ gint old_height;
+ GimpUnit old_unit;
+ GimpFillType old_fill_type;
+ GimpItemSet old_layer_set;
+ gboolean old_resize_text_layers;
+
+ GtkWidget *box;
+ GtkWidget *offset;
+ GtkWidget *area;
+ GtkWidget *layer_set_combo;
+ GtkWidget *fill_type_combo;
+ GtkWidget *text_layers_button;
+
+ GtkWidget *ppi_box;
+ GtkWidget *ppi_image;
+ GtkWidget *ppi_template;
+ GimpTemplate *template;
+};
+
+
+/* local function prototypes */
+
+static void resize_dialog_free (ResizeDialog *private);
+static void resize_dialog_response (GtkWidget *dialog,
+ gint response_id,
+ ResizeDialog *private);
+static void resize_dialog_reset (ResizeDialog *private);
+
+static void size_notify (GimpSizeBox *box,
+ GParamSpec *pspec,
+ ResizeDialog *private);
+static void offset_update (GtkWidget *widget,
+ ResizeDialog *private);
+static void offsets_changed (GtkWidget *area,
+ gint off_x,
+ gint off_y,
+ ResizeDialog *private);
+static void offset_center_clicked (GtkWidget *widget,
+ ResizeDialog *private);
+
+static void template_changed (GimpContext *context,
+ GimpTemplate *template,
+ ResizeDialog *private);
+
+static void reset_template_clicked (GtkWidget *button,
+ ResizeDialog *private);
+static void ppi_select_toggled (GtkWidget *radio,
+ ResizeDialog *private);
+
+
+/* public function */
+
+GtkWidget *
+resize_dialog_new (GimpViewable *viewable,
+ GimpContext *context,
+ const gchar *title,
+ const gchar *role,
+ GtkWidget *parent,
+ GimpHelpFunc help_func,
+ const gchar *help_id,
+ GimpUnit unit,
+ GimpFillType fill_type,
+ GimpItemSet layer_set,
+ gboolean resize_text_layers,
+ GimpResizeCallback callback,
+ gpointer user_data)
+{
+ ResizeDialog *private;
+ GtkWidget *dialog;
+ GtkWidget *main_vbox;
+ GtkWidget *vbox;
+ GtkWidget *center_hbox;
+ GtkWidget *center_left_vbox;
+ GtkWidget *center_right_vbox;
+ GtkWidget *frame;
+ GtkWidget *button;
+ GtkWidget *spinbutton;
+ GtkWidget *entry;
+ GtkWidget *hbox;
+ GtkWidget *combo;
+ GtkWidget *label;
+ GtkWidget *template_selector;
+ GtkWidget *ppi_image;
+ GtkWidget *ppi_template;
+ GtkAdjustment *adjustment;
+ GdkPixbuf *pixbuf;
+ GtkSizeGroup *size_group = NULL;
+ GimpImage *image = NULL;
+ const gchar *size_title = NULL;
+ const gchar *layers_title = NULL;
+ gint width, height;
+ gdouble xres, yres;
+
+ g_return_val_if_fail (GIMP_IS_VIEWABLE (viewable), NULL);
+ g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
+ g_return_val_if_fail (callback != NULL, NULL);
+
+ if (GIMP_IS_IMAGE (viewable))
+ {
+ image = GIMP_IMAGE (viewable);
+
+ width = gimp_image_get_width (image);
+ height = gimp_image_get_height (image);
+
+ size_title = _("Canvas Size");
+ layers_title = _("Layers");
+ }
+ else if (GIMP_IS_ITEM (viewable))
+ {
+ GimpItem *item = GIMP_ITEM (viewable);
+
+ image = gimp_item_get_image (item);
+
+ width = gimp_item_get_width (item);
+ height = gimp_item_get_height (item);
+
+ size_title = _("Layer Size");
+ layers_title = _("Fill With");
+ }
+ else
+ {
+ g_return_val_if_reached (NULL);
+ }
+
+ private = g_slice_new0 (ResizeDialog);
+
+ private->parent_context = context;
+ private->context = gimp_context_new (context->gimp,
+ "resize-dialog",
+ context);
+
+ gimp_image_get_resolution (image, &xres, &yres);
+
+ private->old_xres = xres;
+ private->old_yres = yres;
+ private->old_res_unit = gimp_image_get_unit (image);
+
+ private->viewable = viewable;
+ private->fill_type = fill_type;
+ private->layer_set = layer_set;
+ private->resize_text_layers = resize_text_layers;
+ private->callback = callback;
+ private->user_data = user_data;
+
+ private->old_width = width;
+ private->old_height = height;
+ private->old_unit = unit;
+ private->old_fill_type = private->fill_type;
+ private->old_layer_set = private->layer_set;
+ private->old_resize_text_layers = private->resize_text_layers;
+
+ gimp_context_set_template (private->context, NULL);
+
+ dialog = gimp_viewable_dialog_new (viewable, context,
+ title, role, GIMP_ICON_OBJECT_RESIZE, title,
+ parent,
+ help_func, help_id,
+
+ _("Re_set"), RESPONSE_RESET,
+ _("_Cancel"), GTK_RESPONSE_CANCEL,
+ _("_Resize"), GTK_RESPONSE_OK,
+
+ NULL);
+
+ gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+ RESPONSE_RESET,
+ GTK_RESPONSE_OK,
+ GTK_RESPONSE_CANCEL,
+ -1);
+
+ gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
+
+ g_object_weak_ref (G_OBJECT (dialog),
+ (GWeakNotify) resize_dialog_free, private);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (resize_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);
+
+ /* template selector */
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ label = gtk_label_new_with_mnemonic (_("_Template:"));
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ template_selector = g_object_new (GIMP_TYPE_CONTAINER_COMBO_BOX,
+ "container", context->gimp->templates,
+ "context", private->context,
+ "view-size", 16,
+ "view-border-width", 0,
+ "ellipsize", PANGO_ELLIPSIZE_NONE,
+ "focus-on-click", FALSE,
+ NULL);
+
+ gtk_box_pack_start (GTK_BOX (hbox), template_selector, TRUE, TRUE, 0);
+ gtk_widget_show (template_selector);
+
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), template_selector);
+
+ g_signal_connect (private->context,
+ "template-changed",
+ G_CALLBACK (template_changed),
+ private);
+
+ /* reset template button */
+ button = gimp_icon_button_new (GIMP_ICON_RESET, NULL);
+ gtk_button_set_relief (GTK_BUTTON (button), GTK_RELIEF_NONE);
+ gtk_image_set_from_icon_name (GTK_IMAGE (gtk_bin_get_child (GTK_BIN (button))),
+ GIMP_ICON_RESET, GTK_ICON_SIZE_MENU);
+ gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button,
+ "clicked",
+ G_CALLBACK (reset_template_clicked),
+ private);
+
+ gimp_help_set_help_data (button,
+ _("Reset the template selection"),
+ NULL);
+
+ /* ppi selector box */
+ private->ppi_box = vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
+ gtk_box_pack_start (GTK_BOX (main_vbox), vbox, FALSE, FALSE, 0);
+
+ label = gtk_label_new (_("Template and image print resolution don't match.\n"
+ "Choose how to scale the canvas:"));
+ gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
+ gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_CENTER);
+ gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ gtk_box_set_homogeneous (GTK_BOX (hbox), TRUE);
+ gtk_widget_show (hbox);
+
+ /* actual label text is set inside template_change fn. */
+ ppi_image = gtk_radio_button_new_with_label (NULL, "");
+ ppi_template = gtk_radio_button_new_with_label (NULL, "");
+
+ private->ppi_image = ppi_image;
+ private->ppi_template = ppi_template;
+
+ gtk_radio_button_set_group (GTK_RADIO_BUTTON (ppi_template),
+ gtk_radio_button_get_group (GTK_RADIO_BUTTON (ppi_image)));
+
+ gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (ppi_image), FALSE);
+ gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (ppi_template), FALSE);
+
+ gtk_box_pack_start (GTK_BOX (hbox), ppi_image, FALSE, FALSE, 0);
+ gtk_box_pack_start (GTK_BOX (hbox), ppi_template, FALSE, FALSE, 0);
+
+ gtk_widget_show (ppi_image);
+ gtk_widget_show (ppi_template);
+
+ g_signal_connect (G_OBJECT (ppi_image),
+ "toggled",
+ G_CALLBACK (ppi_select_toggled),
+ private);
+
+ g_signal_connect (G_OBJECT (ppi_template),
+ "toggled",
+ G_CALLBACK (ppi_select_toggled),
+ private);
+
+ /* For space gain, organize the main widgets in both vertical and
+ * horizontal layout.
+ * The size and offset fields are on the center left, while the
+ * preview and the "Center" button are on center right.
+ */
+ center_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 2);
+ gtk_box_pack_start (GTK_BOX (main_vbox), center_hbox, FALSE, FALSE, 0);
+ gtk_widget_show (center_hbox);
+
+ center_left_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
+ gtk_box_pack_start (GTK_BOX (center_hbox), center_left_vbox, FALSE, FALSE, 0);
+ gtk_widget_show (center_left_vbox);
+
+ center_right_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+ gtk_box_pack_start (GTK_BOX (center_hbox), center_right_vbox, FALSE, FALSE, 0);
+ gtk_widget_show (center_right_vbox);
+
+ /* size select frame */
+
+ frame = gimp_frame_new (size_title);
+ gtk_box_pack_start (GTK_BOX (center_left_vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ /* size box */
+
+ private->box = g_object_new (GIMP_TYPE_SIZE_BOX,
+ "width", width,
+ "height", height,
+ "unit", unit,
+ "xresolution", xres,
+ "yresolution", yres,
+ "keep-aspect", FALSE,
+ "edit-resolution", FALSE,
+ NULL);
+ gtk_container_add (GTK_CONTAINER (frame), private->box);
+ gtk_widget_show (private->box);
+
+ /* offset frame */
+ frame = gimp_frame_new (_("Offset"));
+ gtk_box_pack_start (GTK_BOX (center_left_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);
+
+ /* the offset sizeentry */
+ adjustment = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0);
+ spinbutton = gimp_spin_button_new (adjustment, 1.0, 2);
+ gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE);
+ gtk_entry_set_width_chars (GTK_ENTRY (spinbutton), SB_WIDTH);
+
+ private->offset = entry = gimp_size_entry_new (1, unit, "%p",
+ TRUE, FALSE, FALSE, SB_WIDTH,
+ GIMP_SIZE_ENTRY_UPDATE_SIZE);
+ gtk_table_set_col_spacing (GTK_TABLE (entry), 0, 6);
+ gtk_table_set_col_spacing (GTK_TABLE (entry), 1, 6);
+ gtk_table_set_col_spacing (GTK_TABLE (entry), 3, 12);
+ gtk_table_set_row_spacing (GTK_TABLE (entry), 0, 2);
+
+ gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry),
+ GTK_SPIN_BUTTON (spinbutton), NULL);
+ gtk_table_attach_defaults (GTK_TABLE (entry), spinbutton,
+ 1, 2, 0, 1);
+ gtk_widget_show (spinbutton);
+
+ gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (entry),
+ _("_X:"), 0, 0, 0.0);
+ gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (entry),_("_Y:"), 1, 0, 0.0);
+ gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 0);
+ gtk_widget_show (entry);
+
+ gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 0, xres, FALSE);
+ gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 1, yres, FALSE);
+
+ gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 0, 0, 0);
+ gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 1, 0, 0);
+
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0, 0);
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1, 0);
+
+ g_signal_connect (entry, "value-changed",
+ G_CALLBACK (offset_update),
+ private);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ gtk_box_pack_start (GTK_BOX (center_right_vbox), frame, FALSE, FALSE, 0);
+ gtk_widget_show (frame);
+
+ private->area = gimp_offset_area_new (width, height);
+ gtk_container_add (GTK_CONTAINER (frame), private->area);
+ gtk_widget_show (private->area);
+
+ gimp_viewable_get_preview_size (viewable, 200, TRUE, TRUE, &width, &height);
+ pixbuf = gimp_viewable_get_pixbuf (viewable, context,
+ width, height);
+
+ if (pixbuf)
+ gimp_offset_area_set_pixbuf (GIMP_OFFSET_AREA (private->area), pixbuf);
+
+ g_signal_connect (private->area, "offsets-changed",
+ G_CALLBACK (offsets_changed),
+ private);
+
+ g_signal_connect (private->box, "notify",
+ G_CALLBACK (size_notify),
+ private);
+
+ /* Button to center the image on canvas just below the preview. */
+ button = gtk_button_new_with_mnemonic (_("C_enter"));
+ gtk_box_pack_start (GTK_BOX (center_right_vbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "clicked",
+ G_CALLBACK (offset_center_clicked),
+ private);
+
+ frame = gimp_frame_new (layers_title);
+ 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);
+
+ if (GIMP_IS_IMAGE (viewable))
+ {
+ GtkWidget *label;
+
+ size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
+
+ 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 (_("Resize _layers:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ gtk_size_group_add_widget (size_group, label);
+
+ private->layer_set_combo = combo =
+ gimp_enum_combo_box_new (GIMP_TYPE_ITEM_SET);
+ gtk_box_pack_start (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+ gtk_widget_show (combo);
+
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+
+ gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
+ private->layer_set,
+ G_CALLBACK (gimp_int_combo_box_get_active),
+ &private->layer_set);
+ }
+
+ hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ private->fill_type_combo = combo =
+ gimp_enum_combo_box_new (GIMP_TYPE_FILL_TYPE);
+ gtk_box_pack_end (GTK_BOX (hbox), combo, TRUE, TRUE, 0);
+ gtk_widget_show (combo);
+
+ gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo),
+ private->fill_type,
+ G_CALLBACK (gimp_int_combo_box_get_active),
+ &private->fill_type);
+
+ if (GIMP_IS_IMAGE (viewable))
+ {
+ GtkWidget *label;
+
+ label = gtk_label_new_with_mnemonic (_("_Fill with:"));
+ gtk_label_set_xalign (GTK_LABEL (label), 0.0);
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ gtk_label_set_mnemonic_widget (GTK_LABEL (label), combo);
+
+ gtk_size_group_add_widget (size_group, label);
+
+ private->text_layers_button = button =
+ gtk_check_button_new_with_mnemonic (_("Resize _text layers"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+ private->resize_text_layers);
+ gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
+ gtk_widget_show (button);
+
+ g_signal_connect (button, "toggled",
+ G_CALLBACK (gimp_toggle_button_update),
+ &private->resize_text_layers);
+
+ gimp_help_set_help_data (button,
+ _("Resizing text layers will make them uneditable"),
+ NULL);
+
+ g_object_unref (size_group);
+ }
+
+ return dialog;
+}
+
+
+/* private functions */
+
+static void
+resize_dialog_free (ResizeDialog *private)
+{
+ g_object_unref (private->context);
+
+ g_slice_free (ResizeDialog, private);
+}
+
+static void
+resize_dialog_response (GtkWidget *dialog,
+ gint response_id,
+ ResizeDialog *private)
+{
+ GimpSizeEntry *entry = GIMP_SIZE_ENTRY (private->offset);
+ GimpUnit unit;
+ gint width;
+ gint height;
+ gdouble xres;
+ gdouble yres;
+ GimpUnit res_unit;
+
+ switch (response_id)
+ {
+ case RESPONSE_RESET:
+ resize_dialog_reset (private);
+ break;
+
+ case GTK_RESPONSE_OK:
+ g_object_get (private->box,
+ "width", &width,
+ "height", &height,
+ "unit", &unit,
+ "xresolution", &xres,
+ "yresolution", &yres,
+ "resolution-unit", &res_unit,
+ NULL);
+
+ private->callback (dialog,
+ private->viewable,
+ private->parent_context,
+ width,
+ height,
+ unit,
+ gimp_size_entry_get_refval (entry, 0),
+ gimp_size_entry_get_refval (entry, 1),
+ xres,
+ yres,
+ res_unit,
+ private->fill_type,
+ private->layer_set,
+ private->resize_text_layers,
+ private->user_data);
+ break;
+
+ default:
+ gtk_widget_destroy (dialog);
+ break;
+ }
+}
+
+static void
+resize_dialog_reset (ResizeDialog *private)
+{
+ g_object_set (private->box,
+ "keep-aspect", FALSE,
+ NULL);
+
+ g_object_set (private->box,
+ "width", private->old_width,
+ "height", private->old_height,
+ "unit", private->old_unit,
+ "xresolution", private->old_xres,
+ "yresolution", private->old_yres,
+ "resolution-unit", private->old_res_unit,
+ NULL);
+
+ if (private->layer_set_combo)
+ gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (private->layer_set_combo),
+ private->old_layer_set);
+
+ gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (private->fill_type_combo),
+ private->old_fill_type);
+
+ if (private->text_layers_button)
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->text_layers_button),
+ private->old_resize_text_layers);
+
+ gimp_context_set_template (private->context, NULL);
+
+ gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (private->offset),
+ private->old_unit);
+}
+
+static void
+size_notify (GimpSizeBox *box,
+ GParamSpec *pspec,
+ ResizeDialog *private)
+{
+ gint diff_x = box->width - private->old_width;
+ gint diff_y = box->height - private->old_height;
+
+ gimp_offset_area_set_size (GIMP_OFFSET_AREA (private->area),
+ box->width, box->height);
+
+ gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (private->offset), 0,
+ MIN (0, diff_x), MAX (0, diff_x));
+ gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (private->offset), 1,
+ MIN (0, diff_y), MAX (0, diff_y));
+}
+
+static gint
+resize_bound_off_x (ResizeDialog *private,
+ gint offset_x)
+{
+ GimpSizeBox *box = GIMP_SIZE_BOX (private->box);
+
+ if (private->old_width <= box->width)
+ return CLAMP (offset_x, 0, (box->width - private->old_width));
+ else
+ return CLAMP (offset_x, (box->width - private->old_width), 0);
+}
+
+static gint
+resize_bound_off_y (ResizeDialog *private,
+ gint off_y)
+{
+ GimpSizeBox *box = GIMP_SIZE_BOX (private->box);
+
+ if (private->old_height <= box->height)
+ return CLAMP (off_y, 0, (box->height - private->old_height));
+ else
+ return CLAMP (off_y, (box->height - private->old_height), 0);
+}
+
+static void
+offset_update (GtkWidget *widget,
+ ResizeDialog *private)
+{
+ GimpSizeEntry *entry = GIMP_SIZE_ENTRY (private->offset);
+ gint off_x;
+ gint off_y;
+
+ off_x = resize_bound_off_x (private,
+ RINT (gimp_size_entry_get_refval (entry, 0)));
+ off_y = resize_bound_off_y (private,
+ RINT (gimp_size_entry_get_refval (entry, 1)));
+
+ gimp_offset_area_set_offsets (GIMP_OFFSET_AREA (private->area), off_x, off_y);
+}
+
+static void
+offsets_changed (GtkWidget *area,
+ gint off_x,
+ gint off_y,
+ ResizeDialog *private)
+{
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset), 0, off_x);
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset), 1, off_y);
+}
+
+static void
+offset_center_clicked (GtkWidget *widget,
+ ResizeDialog *private)
+{
+ GimpSizeBox *box = GIMP_SIZE_BOX (private->box);
+ gint off_x;
+ gint off_y;
+
+ off_x = resize_bound_off_x (private, (box->width - private->old_width) / 2);
+ off_y = resize_bound_off_y (private, (box->height - private->old_height) / 2);
+
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset), 0, off_x);
+ gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (private->offset), 1, off_y);
+
+ g_signal_emit_by_name (private->offset, "value-changed", 0);
+}
+
+static void
+template_changed (GimpContext *context,
+ GimpTemplate *template,
+ ResizeDialog *private)
+{
+ GimpUnit unit = private->old_unit;
+
+ private->template = template;
+
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->ppi_image), TRUE);
+ gtk_widget_hide (private->ppi_box);
+
+ if (template != NULL)
+ {
+ gdouble xres;
+ gdouble yres;
+ GimpUnit res_unit;
+ gboolean resolution_mismatch;
+
+ unit = gimp_template_get_unit (template);
+ xres = gimp_template_get_resolution_x (template);
+ yres = gimp_template_get_resolution_y (template);
+ res_unit = gimp_template_get_resolution_unit (template);
+
+ resolution_mismatch = xres != private->old_xres ||
+ yres != private->old_yres ||
+ res_unit != private->old_res_unit;
+
+ if (resolution_mismatch &&
+ unit != GIMP_UNIT_PIXEL)
+ {
+ gchar *text;
+
+ text = g_strdup_printf (_("Scale template to %.2f ppi"),
+ private->old_xres);
+ gtk_button_set_label (GTK_BUTTON (private->ppi_image), text);
+ g_free (text);
+
+ text = g_strdup_printf (_("Set image to %.2f ppi"),
+ xres);
+ gtk_button_set_label (GTK_BUTTON (private->ppi_template), text);
+ g_free (text);
+
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (private->ppi_image),
+ TRUE);
+
+ gtk_widget_show (private->ppi_box);
+ }
+ }
+
+ ppi_select_toggled (NULL, private);
+
+ gimp_size_entry_set_unit (GIMP_SIZE_ENTRY (private->offset), unit);
+}
+
+static void
+ppi_select_toggled (GtkWidget *radio,
+ ResizeDialog *private)
+{
+ gint width;
+ gint height;
+ GimpUnit unit;
+ gdouble xres;
+ gdouble yres;
+ GimpUnit res_unit;
+ GtkToggleButton *image_button;
+ gboolean use_image_ppi;
+
+ width = private->old_width;
+ height = private->old_height;
+ xres = private->old_xres;
+ yres = private->old_yres;
+ res_unit = private->old_res_unit;
+ unit = private->old_unit;
+
+ image_button = GTK_TOGGLE_BUTTON (private->ppi_image);
+ use_image_ppi = gtk_toggle_button_get_active (image_button);
+
+ if (private->template != NULL)
+ {
+ width = gimp_template_get_width (private->template);
+ height = gimp_template_get_height (private->template);
+ unit = gimp_template_get_unit (private->template);
+ xres = gimp_template_get_resolution_x (private->template);
+ yres = gimp_template_get_resolution_y (private->template);
+ res_unit = gimp_template_get_resolution_unit (private->template);
+ }
+
+ if (private->template != NULL &&
+ unit != GIMP_UNIT_PIXEL)
+ {
+ if (use_image_ppi)
+ {
+ width = ceil (width * (private->old_xres / xres));
+ height = ceil (height * (private->old_yres / yres));
+
+ xres = private->old_xres;
+ yres = private->old_yres;
+ }
+
+ g_object_set (private->box,
+ "xresolution", xres,
+ "yresolution", yres,
+ "resolution-unit", res_unit,
+ NULL);
+ }
+ else
+ {
+ g_object_set (private->box,
+ "xresolution", private->old_xres,
+ "yresolution", private->old_yres,
+ "resolution-unit", private->old_res_unit,
+ NULL);
+ }
+
+ g_object_set (private->box,
+ "width", width,
+ "height", height,
+ "unit", unit,
+ NULL);
+}
+
+static void
+reset_template_clicked (GtkWidget *button,
+ ResizeDialog *private)
+{
+ gimp_context_set_template (private->context, NULL);
+}