diff options
Diffstat (limited to 'app/dialogs/resize-dialog.c')
| -rw-r--r-- | app/dialogs/resize-dialog.c | 853 |
1 files changed, 853 insertions, 0 deletions
diff --git a/app/dialogs/resize-dialog.c b/app/dialogs/resize-dialog.c new file mode 100644 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); +} |