diff options
Diffstat (limited to 'plug-ins/print/print-page-layout.c')
| -rw-r--r-- | plug-ins/print/print-page-layout.c | 948 |
1 files changed, 948 insertions, 0 deletions
diff --git a/plug-ins/print/print-page-layout.c b/plug-ins/print/print-page-layout.c new file mode 100644 index 0000000..1fb91de --- /dev/null +++ b/plug-ins/print/print-page-layout.c @@ -0,0 +1,948 @@ +/* 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 <string.h> + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include "print.h" +#include "print-page-layout.h" +#include "print-preview.h" + +#include "libgimp/stdplugins-intl.h" + + +typedef struct +{ + PrintData *data; + gint image_width; + gint image_height; + GimpSizeEntry *size_entry; + GimpSizeEntry *resolution_entry; + GimpChainButton *chain; + GtkWidget *center_combo; + GtkWidget *area_label; + GtkWidget *preview; + GtkAdjustment *left_adj; + GtkAdjustment *right_adj; + GtkAdjustment *top_adj; + GtkAdjustment *bottom_adj; +} PrintSizeInfo; + +enum +{ + BOTTOM, + TOP, + RIGHT, + LEFT, + WIDTH, + HEIGHT +}; + + +static void print_page_setup_notify (GtkPrintOperation *operation); +static void update_custom_widget (GtkPrintOperation *operation, + GtkWidget *custom_widget, + GtkPageSetup *page_setup, + GtkPrintSettings *print_settings); + +static GtkWidget * print_size_frame (PrintData *data, + GtkSizeGroup *label_group, + GtkSizeGroup *entry_group); +static GtkWidget * print_offset_frame (PrintData *data, + GtkSizeGroup *label_group, + GtkSizeGroup *entry_group); + +static void print_size_info_update_offsets (void); +static void print_size_info_size_changed (GtkWidget *widget); +static void print_size_info_offset_max_changed (GtkAdjustment *adj, + gpointer data); +static void print_size_info_resolution_changed (GtkWidget *widget); +static void print_size_info_unit_changed (GtkWidget *widget); +static void print_size_info_preview_offset_changed + (GtkWidget *widget, + gdouble offset_x, + gdouble offset_y); +static void print_size_info_center_changed (GtkWidget *widget); +static void print_size_info_center_none (void); +static void print_size_info_use_full_page_toggled + (GtkWidget *widget); + +static void print_size_info_set_resolution (PrintSizeInfo *info, + gdouble xres, + gdouble yres); + + +static void print_size_info_set_page_setup (PrintSizeInfo *info); + +static void print_draw_crop_marks_toggled (GtkWidget *widget); + +static void print_resolution_load_defaults (PrintSizeInfo *info); + +static PrintSizeInfo info; + + +GtkWidget * +print_page_layout_gui (PrintData *data, + const gchar *help_id) +{ + GtkWidget *main_hbox; + GtkWidget *main_vbox; + GtkWidget *button; + GtkWidget *frame; + GtkPageSetup *setup; + GtkSizeGroup *label_group; + GtkSizeGroup *entry_group; + + memset (&info, 0, sizeof (PrintSizeInfo)); + + info.data = data; + info.image_width = gimp_drawable_width (data->drawable_id); + info.image_height = gimp_drawable_height (data->drawable_id); + + setup = gtk_print_operation_get_default_page_setup (data->operation); + if (! setup) + { + setup = gtk_page_setup_new (); + gtk_print_operation_set_default_page_setup (data->operation, setup); + } + + /* main hbox */ + main_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12); + gtk_container_set_border_width (GTK_CONTAINER (main_hbox), 12); + + /* main vbox */ + main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); + gtk_box_pack_start (GTK_BOX (main_hbox), main_vbox, FALSE, FALSE, 0); + gtk_widget_show (main_vbox); + + label_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL); + entry_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL); + + /* size entry area for the image's print size */ + + frame = print_size_frame (data, label_group, entry_group); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + gtk_widget_show (frame); + + /* offset entry area for the image's offset position */ + + frame = print_offset_frame (data, label_group, entry_group); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + gtk_widget_show (frame); + + g_object_unref (label_group); + g_object_unref (entry_group); + + button = gtk_check_button_new_with_mnemonic (_("Ignore Page _Margins")); + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), + data->use_full_page); + gtk_box_pack_start (GTK_BOX (main_vbox), button, FALSE, FALSE, 0); + g_signal_connect (button, "toggled", + G_CALLBACK (print_size_info_use_full_page_toggled), + NULL); + gtk_widget_show (button); + + /* crop marks toggle */ + button = gtk_check_button_new_with_mnemonic (_("_Draw Crop Marks")); + + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), + data->draw_crop_marks); + gtk_box_pack_start (GTK_BOX (main_vbox), button, FALSE, FALSE, 0); + g_signal_connect (button, "toggled", + G_CALLBACK (print_draw_crop_marks_toggled), + NULL); + gtk_widget_show (button); + + /* preview */ + frame = gimp_frame_new (_("Preview")); + gtk_box_pack_start (GTK_BOX (main_hbox), frame, TRUE, TRUE, 0); + gtk_widget_show (frame); + + info.preview = print_preview_new (setup, data->drawable_id); + print_preview_set_use_full_page (PRINT_PREVIEW (info.preview), + data->use_full_page); + gtk_container_add (GTK_CONTAINER (frame), info.preview); + gtk_widget_show (info.preview); + + g_signal_connect (info.preview, "offsets-changed", + G_CALLBACK (print_size_info_preview_offset_changed), + NULL); + + print_size_info_set_page_setup (&info); + + g_signal_connect_object (data->operation, "notify::default-page-setup", + G_CALLBACK (print_page_setup_notify), + main_hbox, 0); + g_signal_connect_object (data->operation, "update-custom-widget", + G_CALLBACK (update_custom_widget), + main_hbox, 0); + + gimp_help_connect (main_hbox, gimp_standard_help_func, help_id, NULL); + + return main_hbox; +} + +static void +print_page_setup_notify (GtkPrintOperation *operation) +{ + GtkPageSetup *setup; + + setup = gtk_print_operation_get_default_page_setup (operation); + + print_size_info_set_page_setup (&info); + print_preview_set_page_setup (PRINT_PREVIEW (info.preview), setup); +} + +static void +update_custom_widget (GtkPrintOperation *operation, + GtkWidget *custom_widget, + GtkPageSetup *page_setup, + GtkPrintSettings *print_settings) +{ + gtk_print_operation_set_default_page_setup (operation, page_setup); +} + + +#define SB_WIDTH 8 + +static GtkWidget * +print_size_frame (PrintData *data, + GtkSizeGroup *label_group, + GtkSizeGroup *entry_group) +{ + GtkWidget *entry; + GtkWidget *height; + GtkWidget *vbox; + GtkWidget *hbox; + GtkWidget *chain; + GtkWidget *frame; + GtkWidget *label; + GtkWidget *button; + GtkAdjustment *adj; + gdouble image_width; + gdouble image_height; + + image_width = (info.image_width * + gimp_unit_get_factor (data->unit) / data->xres); + image_height = (info.image_height * + gimp_unit_get_factor (data->unit) / data->yres); + + frame = gimp_frame_new (_("Size")); + + vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); + gtk_container_add (GTK_CONTAINER (frame), vbox); + gtk_widget_show (vbox); + + /* the print size entry */ + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + entry = gimp_size_entry_new (1, data->unit, "%p", + FALSE, FALSE, FALSE, SB_WIDTH, + GIMP_SIZE_ENTRY_UPDATE_SIZE); + gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0); + gtk_widget_show (entry); + + info.size_entry = GIMP_SIZE_ENTRY (entry); + + gtk_table_set_row_spacings (GTK_TABLE (entry), 2); + gtk_table_set_col_spacing (GTK_TABLE (entry), 0, 6); + gtk_table_set_col_spacing (GTK_TABLE (entry), 2, 6); + + adj = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0); + height = gimp_spin_button_new (adj, 1, 2); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (height), TRUE); + gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry), + GTK_SPIN_BUTTON (height), NULL); + gtk_table_attach_defaults (GTK_TABLE (entry), height, 1, 2, 0, 1); + gtk_widget_show (height); + + gtk_size_group_add_widget (entry_group, height); + + gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (entry), + _("_Width:"), 0, 0, 0.0); + label = gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (entry), + _("_Height:"), 1, 0, 0.0); + + gtk_size_group_add_widget (label_group, label); + + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 0, + data->xres, FALSE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), 1, + data->yres, FALSE); + + gimp_size_entry_set_value (GIMP_SIZE_ENTRY (entry), 0, image_width); + gimp_size_entry_set_value (GIMP_SIZE_ENTRY (entry), 1, image_height); + + /* the resolution entry */ + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0); + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + entry = gimp_size_entry_new (1, data->image_unit, + _("pixels/%a"), + FALSE, FALSE, FALSE, SB_WIDTH, + GIMP_SIZE_ENTRY_UPDATE_RESOLUTION); + gtk_box_pack_start (GTK_BOX (hbox), entry, FALSE, FALSE, 0); + gtk_widget_show (entry); + + info.resolution_entry = GIMP_SIZE_ENTRY (entry); + + gtk_table_set_row_spacings (GTK_TABLE (entry), 2); + gtk_table_set_col_spacing (GTK_TABLE (entry), 0, 6); + gtk_table_set_col_spacing (GTK_TABLE (entry), 2, 6); + + adj = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0); + height = gimp_spin_button_new (adj, 1, 2); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (height), TRUE); + gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry), + GTK_SPIN_BUTTON (height), NULL); + gtk_table_attach_defaults (GTK_TABLE (entry), height, 1, 2, 0, 1); + gtk_widget_show (height); + + gtk_size_group_add_widget (entry_group, height); + + label = gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (entry), + _("_X resolution:"), 0, 0, 0.0); + gtk_size_group_add_widget (label_group, label); + + label = gimp_size_entry_attach_label (GIMP_SIZE_ENTRY (entry), + _("_Y resolution:"), 1, 0, 0.0); + gtk_size_group_add_widget (label_group, label); + + button = gtk_button_new_with_mnemonic (_("_Load Defaults")); + g_signal_connect_swapped (button, "clicked", + G_CALLBACK (print_resolution_load_defaults), + &info); + gtk_widget_show (button); + gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); + + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 0, + GIMP_MIN_RESOLUTION, + GIMP_MAX_RESOLUTION); + gimp_size_entry_set_refval_boundaries (GIMP_SIZE_ENTRY (entry), 1, + GIMP_MIN_RESOLUTION, + GIMP_MAX_RESOLUTION); + + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 0, data->xres); + gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (entry), 1, data->yres); + + chain = gimp_chain_button_new (GIMP_CHAIN_RIGHT); + if (ABS (data->xres - data->yres) < GIMP_MIN_RESOLUTION) + gimp_chain_button_set_active (GIMP_CHAIN_BUTTON (chain), TRUE); + gtk_table_attach (GTK_TABLE (entry), chain, 2, 3, 0, 2, + GTK_SHRINK | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0); + gtk_widget_show (chain); + + info.chain = GIMP_CHAIN_BUTTON (chain); + + g_signal_connect (info.resolution_entry, "value-changed", + G_CALLBACK (print_size_info_resolution_changed), + NULL); + g_signal_connect (info.size_entry, "unit-changed", + G_CALLBACK (print_size_info_unit_changed), + NULL); + + return frame; +} + +static GtkWidget * +print_offset_frame (PrintData *data, + GtkSizeGroup *label_group, + GtkSizeGroup *entry_group) +{ + GtkWidget *entry; + GtkWidget *spinner; + GtkWidget *vbox; + GtkWidget *hbox; + GtkWidget *table; + GtkWidget *frame; + GtkWidget *label; + GtkWidget *combo; + + frame = gimp_frame_new (_("Position")); + + vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); + gtk_container_add (GTK_CONTAINER (frame), vbox); + gtk_widget_show (vbox); + + /* the offset entry */ + + entry = GTK_WIDGET (info.size_entry); + + table = gtk_table_new (4, 4, FALSE); + gtk_table_set_row_spacings (GTK_TABLE (table), 2); + gtk_table_set_col_spacings (GTK_TABLE (table), 6); + gtk_table_set_col_spacing (GTK_TABLE (table), 0, 0); + gtk_table_set_col_spacing (GTK_TABLE (table), 1, 12); + gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0); + gtk_widget_show (table); + + /* left */ + info.left_adj = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0); + spinner = gimp_spin_button_new (info.left_adj, 1, 2); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinner), TRUE); + + gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry), + GTK_SPIN_BUTTON (spinner), NULL); + gtk_table_attach_defaults (GTK_TABLE (table), spinner, 1, 2, 0, 1); + gtk_widget_show (spinner); + + label = gtk_label_new_with_mnemonic (_("_Left:")); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinner); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 0, 1); + gtk_size_group_add_widget (label_group, label); + gtk_widget_show (label); + + /* right */ + info.right_adj = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0); + spinner = gimp_spin_button_new (info.right_adj, 1, 2); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinner), TRUE); + + g_signal_connect (info.right_adj, "value-changed", + G_CALLBACK (print_size_info_offset_max_changed), + GINT_TO_POINTER (LEFT)); + + gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry), + GTK_SPIN_BUTTON (spinner), NULL); + gtk_table_attach_defaults (GTK_TABLE (table), spinner, 3, 4, 0, 1); + gtk_widget_show (spinner); + + label = gtk_label_new_with_mnemonic (_("_Right:")); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinner); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_table_attach_defaults (GTK_TABLE (table), label, 2, 3, 0, 1); + gtk_widget_show (label); + + /* top */ + info.top_adj = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0); + spinner = gimp_spin_button_new (info.top_adj, 1, 2); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinner), TRUE); + + gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry), + GTK_SPIN_BUTTON (spinner), NULL); + gtk_table_attach_defaults (GTK_TABLE (table), spinner, 1, 2, 1, 2); + gtk_widget_show (spinner); + + label = gtk_label_new_with_mnemonic (_("_Top:")); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinner); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_table_attach_defaults (GTK_TABLE (table), label, 0, 1, 1, 2); + gtk_size_group_add_widget (label_group, label); + gtk_widget_show (label); + + /* bottom */ + info.bottom_adj = (GtkAdjustment *) gtk_adjustment_new (1, 1, 1, 1, 10, 0); + spinner = gimp_spin_button_new (info.bottom_adj, 1, 2); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinner), TRUE); + + g_signal_connect (info.bottom_adj, "value-changed", + G_CALLBACK (print_size_info_offset_max_changed), + GINT_TO_POINTER (TOP)); + + gimp_size_entry_add_field (GIMP_SIZE_ENTRY (entry), + GTK_SPIN_BUTTON (spinner), NULL); + gtk_table_attach_defaults (GTK_TABLE (table), spinner, 3, 4, 1, 2); + gtk_widget_show (spinner); + + label = gtk_label_new_with_mnemonic (_("_Bottom:")); + gtk_label_set_mnemonic_widget (GTK_LABEL (label), spinner); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_table_attach_defaults (GTK_TABLE (table), label, 2, 3, 1, 2); + gtk_widget_show (label); + + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), LEFT, 72.0, FALSE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), RIGHT, 72.0, FALSE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), TOP, 72.0, FALSE); + gimp_size_entry_set_resolution (GIMP_SIZE_ENTRY (entry), BOTTOM, 72.0, FALSE); + + print_size_info_update_offsets (); + + g_signal_connect (info.size_entry, "value-changed", + G_CALLBACK (print_size_info_size_changed), + NULL); + + 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 (_("C_enter:")); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_size_group_add_widget (label_group, label); + gtk_widget_show (label); + + /* if and how to center the image on the page */ + combo = gimp_int_combo_box_new (C_("center-mode", "None"), CENTER_NONE, + _("Horizontally"), CENTER_HORIZONTALLY, + _("Vertically"), CENTER_VERTICALLY, + _("Both"), CENTER_BOTH, + NULL); + 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), + data->center, + G_CALLBACK (print_size_info_center_changed), + NULL); + + info.center_combo = combo; + + g_signal_connect (info.left_adj, "value-changed", + G_CALLBACK (print_size_info_center_none), + NULL); + g_signal_connect (info.right_adj, "value-changed", + G_CALLBACK (print_size_info_center_none), + NULL); + g_signal_connect (info.top_adj, "value-changed", + G_CALLBACK (print_size_info_center_none), + NULL); + g_signal_connect (info.bottom_adj, "value-changed", + G_CALLBACK (print_size_info_center_none), + NULL); + + return frame; +} + +static void +print_size_info_get_page_dimensions (PrintSizeInfo *info, + gdouble *page_width, + gdouble *page_height, + GtkUnit unit) +{ + GtkPageSetup *setup; + + setup = gtk_print_operation_get_default_page_setup (info->data->operation); + + if (info->data->use_full_page) + { + *page_width = gtk_page_setup_get_paper_width (setup, unit); + *page_height = gtk_page_setup_get_paper_height (setup, unit); + } + else + { + *page_width = gtk_page_setup_get_page_width (setup, unit); + *page_height = gtk_page_setup_get_page_height (setup, unit); + } + +} + +static void +gimp_size_info_get_max_offsets (gdouble *offset_x_max, + gdouble *offset_y_max) +{ + gdouble width; + gdouble height; + + print_size_info_get_page_dimensions (&info, &width, &height, GTK_UNIT_POINTS); + + *offset_x_max = width - 72.0 * info.image_width / info.data->xres; + *offset_x_max = MAX (0, *offset_x_max); + + *offset_y_max = height - 72.0 * info.image_height / info.data->yres; + *offset_y_max = MAX (0, *offset_y_max); +} + +static void +print_size_info_center_none_block (void) +{ + g_signal_handlers_block_by_func (info.left_adj, + print_size_info_center_none, NULL); + g_signal_handlers_block_by_func (info.right_adj, + print_size_info_center_none, NULL); + g_signal_handlers_block_by_func (info.top_adj, + print_size_info_center_none, NULL); + g_signal_handlers_block_by_func (info.bottom_adj, + print_size_info_center_none, NULL); +} + +static void +print_size_info_center_none_unblock (void) +{ + g_signal_handlers_unblock_by_func (info.left_adj, + print_size_info_center_none, NULL); + g_signal_handlers_unblock_by_func (info.right_adj, + print_size_info_center_none, NULL); + g_signal_handlers_unblock_by_func (info.top_adj, + print_size_info_center_none, NULL); + g_signal_handlers_unblock_by_func (info.bottom_adj, + print_size_info_center_none, NULL); +} + +static void +print_size_info_update_offsets (void) +{ + PrintData *data = info.data; + gdouble offset_x_max; + gdouble offset_y_max; + + gimp_size_info_get_max_offsets (&offset_x_max, &offset_y_max); + + g_signal_handlers_block_by_func (info.size_entry, + print_size_info_size_changed, NULL); + + print_size_info_center_none_block (); + + gimp_size_entry_set_refval_boundaries (info.size_entry, LEFT, + 0, offset_x_max); + gimp_size_entry_set_refval_boundaries (info.size_entry, RIGHT, + 0, offset_x_max); + gimp_size_entry_set_refval_boundaries (info.size_entry, TOP, + 0, offset_y_max); + gimp_size_entry_set_refval_boundaries (info.size_entry, BOTTOM, + 0, offset_y_max); + + switch (data->center) + { + case CENTER_NONE: + break; + + case CENTER_HORIZONTALLY: + data->offset_x = offset_x_max / 2.0; + break; + + case CENTER_VERTICALLY: + data->offset_y = offset_y_max / 2.0; + break; + + case CENTER_BOTH: + data->offset_x = offset_x_max / 2.0; + data->offset_y = offset_y_max / 2.0; + break; + } + + gimp_size_entry_set_refval (info.size_entry, LEFT, + data->offset_x); + gimp_size_entry_set_refval (info.size_entry, RIGHT, + offset_x_max - data->offset_x); + gimp_size_entry_set_refval (info.size_entry, TOP, + info.data->offset_y); + gimp_size_entry_set_refval (info.size_entry, BOTTOM, + offset_y_max - data->offset_y); + + print_size_info_center_none_unblock (); + + g_signal_handlers_unblock_by_func (info.size_entry, + print_size_info_size_changed, NULL); +} + +static void +print_size_info_center_changed (GtkWidget *combo) +{ + gint value; + + if (gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (combo), &value)) + { + info.data->center = value; + + print_size_info_update_offsets (); + + if (info.preview) + print_preview_set_image_offsets (PRINT_PREVIEW (info.preview), + info.data->offset_x, + info.data->offset_y); + } +} + +static void +print_size_info_center_none (void) +{ + /* return early if we are called from a unit change */ + if (gimp_size_entry_get_unit (info.size_entry) != info.data->unit) + return; + + info.data->center = CENTER_NONE; + + if (info.center_combo) + { + g_signal_handlers_block_by_func (info.center_combo, + print_size_info_center_changed, NULL); + + info.data->center = CENTER_NONE; + + gimp_int_combo_box_set_active (GIMP_INT_COMBO_BOX (info.center_combo), + info.data->center); + + g_signal_handlers_unblock_by_func (info.center_combo, + print_size_info_center_changed, NULL); + } +} + +static void +print_size_info_preview_offset_changed (GtkWidget *widget, + gdouble offset_x, + gdouble offset_y) +{ + print_size_info_center_none (); + + info.data->offset_x = offset_x; + info.data->offset_y = offset_y; + + print_size_info_update_offsets (); +} + +static void +print_size_info_size_changed (GtkWidget *widget) +{ + gdouble width; + gdouble height; + gdouble xres; + gdouble yres; + gdouble scale; + + scale = gimp_unit_get_factor (gimp_size_entry_get_unit (info.size_entry)); + + width = gimp_size_entry_get_value (info.size_entry, WIDTH); + height = gimp_size_entry_get_value (info.size_entry, HEIGHT); + + xres = scale * info.image_width / MAX (0.0001, width); + yres = scale * info.image_height / MAX (0.0001, height); + + print_size_info_set_resolution (&info, xres, yres); + + info.data->offset_x = gimp_size_entry_get_refval (info.size_entry, LEFT); + info.data->offset_y = gimp_size_entry_get_refval (info.size_entry, TOP); + + print_preview_set_image_offsets (PRINT_PREVIEW (info.preview), + info.data->offset_x, + info.data->offset_y); +} + +static void +print_size_info_offset_max_changed (GtkAdjustment *adj, + gpointer data) +{ + guint index = GPOINTER_TO_INT (data); + + /* return early if we are called from a unit change */ + if (gimp_size_entry_get_unit (info.size_entry) != info.data->unit) + return; + + g_signal_handlers_block_by_func (info.size_entry, + print_size_info_size_changed, NULL); + + gimp_size_entry_set_value (info.size_entry, index, + gtk_adjustment_get_upper (adj) - + gtk_adjustment_get_value (adj)); + + g_signal_handlers_unblock_by_func (info.size_entry, + print_size_info_size_changed, NULL); +} + +static void +print_size_info_resolution_changed (GtkWidget *widget) +{ + GimpSizeEntry *entry = info.resolution_entry; + gdouble xres = gimp_size_entry_get_refval (entry, 0); + gdouble yres = gimp_size_entry_get_refval (entry, 1); + + print_size_info_set_resolution (&info, xres, yres); +} + +static void +print_size_info_use_full_page_toggled (GtkWidget *widget) +{ + gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)); + + info.data->use_full_page = active; + + print_size_info_set_page_setup (&info); + + print_preview_set_use_full_page (PRINT_PREVIEW(info.preview), active); +} + +static void +print_size_info_unit_changed (GtkWidget *widget) +{ + info.data->unit = gimp_size_entry_get_unit (GIMP_SIZE_ENTRY (widget)); + + print_size_info_set_page_setup (&info); +} + +static void +print_size_info_set_resolution (PrintSizeInfo *info, + gdouble xres, + gdouble yres) +{ + PrintData *data = info->data; + gdouble offset_x; + gdouble offset_y; + gdouble offset_x_max; + gdouble offset_y_max; + + if (info->chain && gimp_chain_button_get_active (info->chain)) + { + if (xres != data->xres) + yres = xres; + else + xres = yres; + } + + data->xres = xres; + data->yres = yres; + + g_signal_handlers_block_by_func (info->resolution_entry, + print_size_info_resolution_changed, + NULL); + + gimp_size_entry_set_refval (info->resolution_entry, 0, xres); + gimp_size_entry_set_refval (info->resolution_entry, 1, yres); + + g_signal_handlers_unblock_by_func (info->resolution_entry, + print_size_info_resolution_changed, + NULL); + + g_signal_handlers_block_by_func (info->size_entry, + print_size_info_size_changed, + NULL); + + gimp_size_entry_set_value (info->size_entry, WIDTH, + info->image_width * + gimp_unit_get_factor (data->unit) / xres); + gimp_size_entry_set_value (info->size_entry, HEIGHT, + info->image_height * + gimp_unit_get_factor (data->unit) / yres); + + g_signal_handlers_unblock_by_func (info->size_entry, + print_size_info_size_changed, + NULL); + + gimp_size_info_get_max_offsets (&offset_x_max, &offset_y_max); + + offset_x = gimp_size_entry_get_refval (info->size_entry, LEFT); + offset_y = gimp_size_entry_get_refval (info->size_entry, TOP); + + offset_x = CLAMP (offset_x, 0, offset_x_max); + offset_y = CLAMP (offset_y, 0, offset_y_max); + + data->offset_x = offset_x; + data->offset_y = offset_y; + + print_size_info_update_offsets (); + + print_preview_set_image_dpi (PRINT_PREVIEW (info->preview), + data->xres, data->yres); + print_preview_set_image_offsets (PRINT_PREVIEW (info->preview), + data->offset_x, data->offset_y); + print_preview_set_image_offsets_max (PRINT_PREVIEW (info->preview), + offset_x_max, offset_y_max); +} + +static void +print_size_info_set_page_setup (PrintSizeInfo *info) +{ + PrintData *data = info->data; + gdouble page_width; + gdouble page_height; + gdouble x; + gdouble y; + + print_size_info_get_page_dimensions (info, + &page_width, &page_height, + GTK_UNIT_INCH); + + page_width *= gimp_unit_get_factor (data->unit); + page_height *= gimp_unit_get_factor (data->unit); + + if (info->area_label) + { + gchar *format; + gchar *text; + + format = g_strdup_printf ("%%.%df x %%.%df %s", + gimp_unit_get_digits (data->unit), + gimp_unit_get_digits (data->unit), + gimp_unit_get_plural (data->unit)); + text = g_strdup_printf (format, page_width, page_height); + g_free (format); + + gtk_label_set_text (GTK_LABEL (info->area_label), text); + g_free (text); + } + + x = page_width; + y = page_height; + + if (info->chain && gimp_chain_button_get_active (info->chain)) + { + gdouble ratio_x = page_width / (gdouble) info->image_width; + gdouble ratio_y = page_height / (gdouble) info->image_height; + + if (ratio_x < ratio_y) + y = (gdouble) info->image_height * ratio_x; + else + x = (gdouble) info->image_width * ratio_y; + } + + gimp_size_entry_set_value_boundaries (info->size_entry, WIDTH, + page_width / 100.0, x); + gimp_size_entry_set_value_boundaries (info->size_entry, HEIGHT, + page_height / 100.0, y); + + print_size_info_get_page_dimensions (info, + &page_width, &page_height, + GTK_UNIT_POINTS); + + x = (gdouble) info->image_width / page_width * 72.0; + y = (gdouble) info->image_height / page_height * 72.0; + + if (info->chain && gimp_chain_button_get_active (info->chain)) + { + gdouble max = MAX (x, y); + + x = y = max; + } + + data->min_xres = x; + data->min_yres = y; + gimp_size_entry_set_refval_boundaries (info->resolution_entry, 0, + x, GIMP_MAX_RESOLUTION); + gimp_size_entry_set_refval_boundaries (info->resolution_entry, 1, + y, GIMP_MAX_RESOLUTION); +} + +static void +print_draw_crop_marks_toggled (GtkWidget *widget) +{ + gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)); + + info.data->draw_crop_marks = active; +} + +static void +print_resolution_load_defaults (PrintSizeInfo *info) +{ + gdouble xres; + gdouble yres; + + gimp_image_get_resolution (info->data->image_id, &xres, &yres); + + gimp_size_entry_set_refval (info->resolution_entry, 0, xres); + gimp_size_entry_set_refval (info->resolution_entry, 1, yres); + print_size_info_resolution_changed (GTK_WIDGET (info->resolution_entry)); +} |