src/print.cc

   1 /*
   2  * Copyright (C) 2018 The Geeqie Team
   3  *
   4  * Author: Colin Clark
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include "main.h"
  22 #include "print.h"
  23
  24 #include "exif.h"
  25 #include "filedata.h"
  26 #include "image-load.h"
  27 #include "osd.h"
  28 #include "pixbuf-util.h"
  29 #include "ui-misc.h"
  30 #include "ui-fileops.h"
  31
  32 #define PRINT_SETTINGS "print_settings" // filename save printer settings
  33 #define PAGE_SETUP "page_setup" // filename save page setup
  34
  35 /* padding between objects */
  36 #define PRINT_TEXT_PADDING 3.0
  37
  38 /* method to use when scaling down image data */
  39 #define PRINT_MAX_INTERP GDK_INTERP_BILINEAR
  40
  41 /* reverse order is important */
  42 enum TextPosition {
  43         FOOTER_2,
  44         FOOTER_1,
  45         HEADER_2,
  46         HEADER_1
  47 };
  48
  49 struct PrintWindow
  50 {
  51         GtkWidget *vbox;
  52         GList *source_selection;
  53
  54         gint job_page;
  55         GtkTextBuffer *page_text;
  56         gchar *template_string;
  57         GtkWidget *parent;
  58         ImageLoader     *job_loader;
  59
  60         GList *print_pixbuf_queue;
  61         gboolean job_render_finished;
  62         GSList *image_group;
  63         GSList *page_group;
  64 };
  65
  66 static gint print_layout_page_count(PrintWindow *pw)
  67 {
  68         gint images;
  69
  70         images = g_list_length(pw->source_selection);
  71
  72         if (images < 1 ) return 0;
  73
  74         return images;
  75 }
  76
  77 static gboolean print_job_render_image(PrintWindow *pw);
  78
  79 static void print_job_render_image_loader_done(ImageLoader *il, gpointer data)
  80 {
  81         auto pw = static_cast<PrintWindow *>(data);
  82         GdkPixbuf *pixbuf;
  83
  84         pixbuf = image_loader_get_pixbuf(il);
  85
  86         g_object_ref(pixbuf);
  87         pw->print_pixbuf_queue = g_list_append(pw->print_pixbuf_queue, pixbuf);
  88
  89         image_loader_free(pw->job_loader);
  90         pw->job_loader = nullptr;
  91
  92         pw->job_page++;
  93
  94         if (!print_job_render_image(pw))
  95                 {
  96                 pw->job_render_finished = TRUE;
  97                 }
  98 }
  99
 100 static gboolean print_job_render_image(PrintWindow *pw)
 101 {
 102         FileData *fd = nullptr;
 103
 104         fd = static_cast<FileData *>(g_list_nth_data(pw->source_selection, pw->job_page));
 105         if (!fd) return FALSE;
 106
 107         image_loader_free(pw->job_loader);
 108         pw->job_loader = nullptr;
 109
 110         pw->job_loader = image_loader_new(fd);
 111         g_signal_connect(G_OBJECT(pw->job_loader), "done",
 112                                                 (GCallback)print_job_render_image_loader_done, pw);
 113
 114         if (!image_loader_start(pw->job_loader))
 115                 {
 116                 image_loader_free(pw->job_loader);
 117                 pw->job_loader= nullptr;
 118                 }
 119
 120         return TRUE;
 121 }
 122
 123 static void font_activated_cb(GtkFontChooser *widget, gchar *fontname, gpointer option)
 124 {
 125         option = g_strdup(fontname);
 126
 127         g_free(fontname);
 128
 129         gtk_widget_destroy(GTK_WIDGET(widget));
 130 }
 131
 132 static void font_response_cb(GtkDialog *dialog, int response_id, gpointer option)
 133 {
 134         gchar *font;
 135
 136         if (response_id == GTK_RESPONSE_OK)
 137                 {
 138                 font = gtk_font_chooser_get_font(GTK_FONT_CHOOSER(dialog));
 139                 g_free(option);
 140                 option = g_strdup(font);
 141                 g_free(font);
 142                 }
 143
 144         gtk_widget_destroy(GTK_WIDGET(dialog));
 145 }
 146
 147 static void print_set_font_cb(GtkWidget *widget, gpointer data)
 148 {
 149         gpointer option;
 150         GtkWidget *dialog;
 151
 152         if (g_strcmp0(static_cast<const gchar *>(data), "Image text font") == 0)
 153                 {
 154                 option = options->printer.image_font;
 155                 }
 156         else
 157                 {
 158                 option = options->printer.page_font;
 159                 }
 160
 161         dialog = gtk_font_chooser_dialog_new(static_cast<const gchar *>(data), GTK_WINDOW(gtk_widget_get_toplevel(widget)));
 162         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 163         gtk_font_chooser_set_font(GTK_FONT_CHOOSER(dialog), static_cast<const gchar *>(option));
 164
 165         g_signal_connect(dialog, "font-activated", G_CALLBACK(font_activated_cb), option);
 166         g_signal_connect(dialog, "response", G_CALLBACK(font_response_cb), option);
 167
 168         gtk_widget_show(dialog);
 169 }
 170
 171 static gint set_toggle(GSList *list, TextPosition pos)
 172 {
 173         GtkToggleButton *current_sel;
 174         GtkToggleButton *new_sel;
 175         gint new_pos = - 1;
 176
 177         current_sel = static_cast<GtkToggleButton *>(g_slist_nth(list, pos)->data);
 178         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(current_sel)))
 179                 {
 180                 new_pos = (pos - 1);
 181                 if (new_pos < 0)
 182                         {
 183                         new_pos = HEADER_1;
 184                         }
 185                 new_sel = static_cast<GtkToggleButton *>(g_slist_nth(list, new_pos)->data);
 186                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(new_sel), TRUE);
 187                 }
 188         return new_pos;
 189 }
 190
 191 static void image_text_position_h1_cb(GtkWidget *widget, gpointer data)
 192 {
 193         auto pw = static_cast<PrintWindow *>(data);
 194         gint new_set;
 195
 196         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 197                 {
 198                 new_set = set_toggle(pw->page_group, HEADER_1);
 199                 if (new_set >= 0)
 200                         {
 201                         options->printer.page_text_position = new_set;
 202                         }
 203                 options->printer.image_text_position = HEADER_1;
 204                 }
 205 }
 206
 207 static void image_text_position_h2_cb(GtkWidget *widget, gpointer data)
 208 {
 209         auto pw = static_cast<PrintWindow *>(data);
 210         gint new_set;
 211
 212         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 213                 {
 214                 new_set = set_toggle(pw->page_group, HEADER_2);
 215                 if (new_set >= 0)
 216                         {
 217                         options->printer.page_text_position = new_set;
 218                         }
 219                 options->printer.image_text_position = HEADER_2;
 220                 }
 221 }
 222
 223 static void image_text_position_f1_cb(GtkWidget *widget, gpointer data)
 224 {
 225         auto pw = static_cast<PrintWindow *>(data);
 226         gint new_set;
 227
 228         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 229                 {
 230                 new_set = set_toggle(pw->page_group, FOOTER_1);
 231                 if (new_set >= 0)
 232                         {
 233                         options->printer.page_text_position = new_set;
 234                         }
 235                 options->printer.image_text_position = FOOTER_1;
 236                 }
 237 }
 238
 239 static void image_text_position_f2_cb(GtkWidget *widget, gpointer data)
 240 {
 241         auto pw = static_cast<PrintWindow *>(data);
 242         gint new_set;
 243
 244         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 245                 {
 246                 new_set = set_toggle(pw->page_group, FOOTER_2);
 247                 if (new_set >= 0)
 248                         {
 249                         options->printer.page_text_position = new_set;
 250                         }
 251                 options->printer.image_text_position = FOOTER_2;
 252                 }
 253 }
 254
 255 static void page_text_position_h1_cb(GtkWidget *widget, gpointer data)
 256 {
 257         auto pw = static_cast<PrintWindow *>(data);
 258         gint new_set;
 259
 260         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 261                 {
 262                 new_set = set_toggle(pw->image_group, HEADER_1);
 263                 if (new_set >= 0)
 264                         {
 265                         options->printer.image_text_position = new_set;
 266                         }
 267                 options->printer.page_text_position = HEADER_1;
 268                 }
 269 }
 270
 271 static void page_text_position_h2_cb(GtkWidget *widget, gpointer data)
 272 {
 273         auto pw = static_cast<PrintWindow *>(data);
 274         gint new_set;
 275
 276         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 277                 {
 278                 new_set = set_toggle(pw->image_group, HEADER_2);
 279                 if (new_set >= 0)
 280                         {
 281                         options->printer.image_text_position = new_set;
 282                         }
 283                 options->printer.page_text_position = HEADER_2;
 284                 }
 285 }
 286
 287 static void page_text_position_f1_cb(GtkWidget *widget, gpointer data)
 288 {
 289         auto pw = static_cast<PrintWindow *>(data);
 290         gint new_set;
 291
 292         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 293                 {
 294                 new_set = set_toggle(pw->image_group, FOOTER_1);
 295                 if (new_set >= 0)
 296                         {
 297                         options->printer.image_text_position = new_set;
 298                         }
 299                 options->printer.page_text_position = FOOTER_1;
 300                 }
 301 }
 302
 303 static void page_text_position_f2_cb(GtkWidget *widget, gpointer data)
 304 {
 305         auto pw = static_cast<PrintWindow *>(data);
 306         gint new_set;
 307
 308         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
 309                 {
 310                 new_set = set_toggle(pw->image_group, FOOTER_2);
 311                 if (new_set >= 0)
 312                         {
 313                         options->printer.image_text_position = new_set;
 314                         }
 315                 options->printer.page_text_position = FOOTER_2;
 316                 }
 317 }
 318
 319 static void set_print_image_text_string(gchar **template_string, const gchar *value)
 320 {
 321         g_assert(template_string);
 322
 323         g_free(*template_string);
 324         *template_string = g_strdup(value);
 325 }
 326
 327 static void image_text_template_view_changed_cb(GtkWidget *, gpointer data)
 328 {
 329         GtkWidget *pTextView;
 330         GtkTextBuffer *pTextBuffer;
 331         GtkTextIter iStart;
 332         GtkTextIter iEnd;
 333
 334         pTextView = GTK_WIDGET(data);
 335
 336         pTextBuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pTextView));
 337         gtk_text_buffer_get_start_iter(pTextBuffer, &iStart);
 338         gtk_text_buffer_get_end_iter(pTextBuffer, &iEnd);
 339
 340         set_print_image_text_string(&options->printer.template_string,
 341                                           gtk_text_buffer_get_text(pTextBuffer, &iStart, &iEnd, TRUE));
 342 }
 343
 344 #define PRE_FORMATTED_COLUMNS 4
 345 static void print_text_menu(GtkWidget *box, PrintWindow *pw)
 346 {
 347         GtkWidget *group;
 348         GtkWidget *hbox;
 349         GtkWidget *button;
 350         GtkWidget *button1;
 351         GtkWidget *button2;
 352         GtkWidget *image_text_button;
 353         GtkWidget *page_text_button;
 354         GtkWidget *subgroup;
 355         GtkWidget *page_text_view;
 356         GtkWidget *image_text_template_view;
 357         GtkWidget *scrolled;
 358         GtkWidget *scrolled_pre_formatted;
 359         GtkTextBuffer *buffer;
 360
 361         group = pref_group_new(box, FALSE, _("Image text"), GTK_ORIENTATION_VERTICAL);
 362
 363         image_text_button = pref_checkbox_new_int(group, _("Show image text"),
 364                                                                                 options->printer.show_image_text, &options->printer.show_image_text);
 365
 366         subgroup = pref_box_new(group, FALSE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 367
 368         pref_checkbox_link_sensitivity(image_text_button, subgroup);
 369
 370         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 371         gq_gtk_box_pack_start(GTK_BOX(subgroup), hbox, FALSE, FALSE, 0);
 372
 373         /* order is important */
 374         button1 = pref_radiobutton_new(hbox, nullptr,  "Header 1",
 375                                                         options->printer.image_text_position == HEADER_1,
 376                                                         G_CALLBACK(image_text_position_h1_cb), pw);
 377         button1 = pref_radiobutton_new(hbox, button1,  "Header 2",
 378                                                         options->printer.image_text_position == HEADER_2,
 379                                                         G_CALLBACK(image_text_position_h2_cb), pw);
 380         button1 = pref_radiobutton_new(hbox, button1, "Footer 1",
 381                                                         options->printer.image_text_position == FOOTER_1,
 382                                                         G_CALLBACK(image_text_position_f1_cb), pw);
 383         button1 = pref_radiobutton_new(hbox, button1, "Footer 2",
 384                                                         options->printer.image_text_position == FOOTER_2,
 385                                                         G_CALLBACK(image_text_position_f2_cb), pw);
 386         gtk_widget_show(hbox);
 387         pw->image_group = (gtk_radio_button_get_group(GTK_RADIO_BUTTON(button1)));
 388
 389         image_text_template_view = gtk_text_view_new();
 390
 391         scrolled_pre_formatted = osd_new(PRE_FORMATTED_COLUMNS, image_text_template_view);
 392         gq_gtk_box_pack_start(GTK_BOX(subgroup), scrolled_pre_formatted, FALSE, FALSE, 0);
 393         gtk_widget_show(scrolled_pre_formatted);
 394         gtk_widget_show(subgroup);
 395
 396         gtk_widget_set_tooltip_markup(image_text_template_view,
 397                                         _("Extensive formatting options are shown in the Help file"));
 398
 399         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
 400         gtk_widget_set_size_request(scrolled, 200, 50);
 401         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 402         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 403                                                                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 404         gq_gtk_box_pack_start(GTK_BOX(subgroup), scrolled, TRUE, TRUE, 5);
 405         gtk_widget_show(scrolled);
 406
 407         gtk_container_add(GTK_CONTAINER(scrolled), image_text_template_view);
 408         gtk_widget_show(image_text_template_view);
 409
 410         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(image_text_template_view));
 411         if (options->printer.template_string) gtk_text_buffer_set_text(buffer, options->printer.template_string, -1);
 412         g_signal_connect(G_OBJECT(buffer), "changed",
 413                          G_CALLBACK(image_text_template_view_changed_cb), image_text_template_view);
 414
 415         hbox = pref_box_new(subgroup, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_BUTTON_GAP);
 416
 417         button = pref_button_new(nullptr, GQ_ICON_SELECT_FONT, _("Font"),
 418                                  G_CALLBACK(print_set_font_cb), const_cast<char *>("Image text font"));
 419
 420         gq_gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
 421         gtk_widget_show(button);
 422
 423         pref_spacer(group, PREF_PAD_GAP);
 424
 425         group = pref_group_new(box, FALSE, _("Page text"), GTK_ORIENTATION_VERTICAL);
 426
 427         page_text_button = pref_checkbox_new_int(group, _("Show page text"),
 428                                           options->printer.show_page_text, &options->printer.show_page_text);
 429
 430         subgroup = pref_box_new(group, FALSE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 431         pref_checkbox_link_sensitivity(page_text_button, subgroup);
 432
 433         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 434         gq_gtk_box_pack_start(GTK_BOX(subgroup), hbox, FALSE, FALSE, 0);
 435
 436         /* order is important */
 437         button2 = pref_radiobutton_new(hbox, nullptr, "Header 1",
 438                                                         options->printer.page_text_position == HEADER_1,
 439                                                         G_CALLBACK(page_text_position_h1_cb), pw);
 440         button2 = pref_radiobutton_new(hbox, button2,  "Header 2",
 441                                                         options->printer.page_text_position == HEADER_2,
 442                                                         G_CALLBACK(page_text_position_h2_cb), pw);
 443         button2 = pref_radiobutton_new(hbox, button2, "Footer 1",
 444                                                         options->printer.page_text_position == FOOTER_1,
 445                                                         G_CALLBACK(page_text_position_f1_cb), pw);
 446         button2 = pref_radiobutton_new(hbox, button2, "Footer 2",
 447                                                         options->printer.page_text_position == FOOTER_2,
 448                                                         G_CALLBACK(page_text_position_f2_cb), pw);
 449         gtk_widget_show(hbox);
 450         pw->page_group = (gtk_radio_button_get_group(GTK_RADIO_BUTTON(button2)));
 451
 452         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
 453         gtk_widget_set_size_request(scrolled, 50, 50);
 454         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 455         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 456                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 457         gq_gtk_box_pack_start(GTK_BOX(subgroup), scrolled, TRUE, TRUE, 5);
 458         gtk_widget_show(scrolled);
 459
 460         page_text_view = gtk_text_view_new();
 461         pw->page_text = gtk_text_view_get_buffer(GTK_TEXT_VIEW(page_text_view ));
 462         gtk_text_buffer_set_text(GTK_TEXT_BUFFER(pw->page_text), options->printer.page_text, -1);
 463         g_object_ref(pw->page_text);
 464
 465         gtk_widget_set_tooltip_markup(page_text_view, (_("Text shown on each page of a single or multi-page print job")));
 466         gtk_container_add(GTK_CONTAINER(scrolled), page_text_view);
 467         gtk_widget_show(page_text_view);
 468
 469         hbox = pref_box_new(subgroup, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_BUTTON_GAP);
 470
 471         button = pref_button_new(nullptr, GQ_ICON_SELECT_FONT, _("Font"),
 472                                  G_CALLBACK(print_set_font_cb), const_cast<char *>("Page text font"));
 473
 474         gq_gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
 475         gtk_widget_show(button);
 476 }
 477
 478 static gboolean paginate_cb(GtkPrintOperation *, GtkPrintContext *, gpointer data)
 479 {
 480         auto pw = static_cast<PrintWindow *>(data);
 481
 482         if (pw->job_render_finished)
 483                 {
 484                 return TRUE;
 485                 }
 486         else
 487                 {
 488                 return FALSE;
 489                 }
 490 }
 491
 492 gchar *form_image_text(const gchar *template_string, FileData *fd, PrintWindow *pw, gint page_nr, gint total)
 493 {
 494         const gchar *name;
 495         gchar *text = nullptr;
 496         GHashTable *vars;
 497         gchar *window_title;
 498         gchar *delimiter;
 499         gchar *collection_name;
 500
 501         if (!fd) return nullptr;
 502
 503         name = fd->name;
 504
 505         vars = g_hash_table_new_full(g_str_hash, g_str_equal, nullptr, g_free);
 506
 507         window_title = g_strdup(gtk_window_get_title(GTK_WINDOW(pw->parent)));
 508         delimiter = g_strstr_len(window_title, -1, " - Collection - ");
 509         if (delimiter)
 510                 {
 511                 collection_name = g_strndup(window_title, delimiter - window_title);
 512                 }
 513         else
 514                 {
 515                 collection_name = nullptr;
 516                 }
 517         g_free(window_title);
 518
 519         if (collection_name)
 520                 {
 521                 osd_template_insert(vars, "collection", collection_name, OSDT_NONE);
 522                 }
 523
 524         osd_template_insert(vars, "number", g_strdup_printf("%d", page_nr + 1), OSDT_NO_DUP);
 525         osd_template_insert(vars, "total", g_strdup_printf("%d", total), OSDT_NO_DUP);
 526         osd_template_insert(vars, "name", const_cast<gchar *>(name), OSDT_NONE);
 527         osd_template_insert(vars, "date", fd ? (const_cast<gchar *>(text_from_time(fd->date))) : "", OSDT_NONE);
 528         osd_template_insert(vars, "size", fd ? (text_from_size_abrev(fd->size)) : g_strdup(""), OSDT_FREE);
 529
 530         if (fd->pixbuf)
 531                 {
 532                 gint w, h;
 533                 w = gdk_pixbuf_get_width(fd->pixbuf);
 534                 h = gdk_pixbuf_get_height(fd->pixbuf);
 535
 536                 osd_template_insert(vars, "width", g_strdup_printf("%d", w), OSDT_NO_DUP);
 537                 osd_template_insert(vars, "height", g_strdup_printf("%d", h), OSDT_NO_DUP);
 538                 osd_template_insert(vars, "res", g_strdup_printf("%d × %d", w, h), OSDT_FREE);
 539                 }
 540         else
 541                 {
 542                 osd_template_insert(vars, "width", nullptr, OSDT_NONE);
 543                 osd_template_insert(vars, "height", nullptr, OSDT_NONE);
 544                 osd_template_insert(vars, "res", nullptr, OSDT_NONE);
 545                 }
 546
 547         text = image_osd_mkinfo(template_string, fd, vars);
 548         g_hash_table_destroy(vars);
 549
 550         g_free(collection_name);
 551
 552         return text;
 553 }
 554
 555 static void draw_page(GtkPrintOperation *, GtkPrintContext *context, gint page_nr, gpointer data)
 556 {
 557         auto pw = static_cast<PrintWindow *>(data);
 558         FileData *fd;
 559         cairo_t *cr;
 560         gdouble context_width, context_height;
 561         gdouble pixbuf_image_width, pixbuf_image_height;
 562         gdouble width_offset;
 563         gdouble height_offset;
 564         GdkPixbuf *pixbuf;
 565         GdkPixbuf *rotated = nullptr;
 566         PangoLayout *layout_image = nullptr;
 567         PangoLayout *layout_page = nullptr;
 568         PangoFontDescription *desc;
 569         GString *image_text = g_string_new(nullptr);
 570         GString *page_text = g_string_new(nullptr);
 571         PangoRectangle ink_rect, logical_rect;
 572         gdouble w, h, scale;
 573         gdouble image_text_width, image_text_height, page_text_width, page_text_height;
 574         gint image_y;
 575         gint incr_y;
 576         gdouble pango_height;
 577         gdouble pango_image_height;
 578         gdouble pango_page_height;
 579         GtkTextIter start, end;
 580         gchar *tmp;
 581         gint total;
 582
 583         fd = static_cast<FileData *>(g_list_nth_data(pw->source_selection, page_nr));
 584         total = g_list_length(pw->source_selection);
 585
 586         pixbuf = static_cast<GdkPixbuf *>(g_list_nth_data(pw->print_pixbuf_queue, page_nr));
 587         if (fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 588                 {
 589                 rotated = pixbuf_apply_orientation(pixbuf, fd->exif_orientation);
 590                 pixbuf = rotated;
 591                 }
 592
 593         pixbuf_image_width = gdk_pixbuf_get_width(pixbuf);
 594         pixbuf_image_height = gdk_pixbuf_get_height(pixbuf);
 595
 596         if (options->printer.show_image_text)
 597                 {
 598                 image_text = g_string_append(image_text, form_image_text(options->printer.template_string, fd, pw, page_nr, total));
 599                 }
 600
 601         if (options->printer.show_page_text)
 602                 {
 603                 gtk_text_buffer_get_bounds(GTK_TEXT_BUFFER(pw->page_text), &start, &end);
 604
 605                 tmp = gtk_text_buffer_get_text(GTK_TEXT_BUFFER(pw->page_text), &start, &end, FALSE);
 606                 page_text = g_string_append(page_text, tmp);
 607
 608                 g_free(tmp);
 609                 }
 610
 611         cr = gtk_print_context_get_cairo_context(context);
 612         context_width = gtk_print_context_get_width(context);
 613         context_height = gtk_print_context_get_height(context);
 614
 615         pango_image_height = 0;
 616         pango_page_height = 0;
 617         image_text_width = 0;
 618         page_text_width = 0;
 619
 620         if (image_text->len > 0)
 621                 {
 622                 layout_image = pango_cairo_create_layout(cr);
 623
 624                 pango_layout_set_text(layout_image, image_text->str, -1);
 625                 desc = pango_font_description_from_string(options->printer.image_font);
 626                 pango_layout_set_font_description(layout_image, desc);
 627
 628                 pango_layout_get_extents(layout_image, &ink_rect, &logical_rect);
 629                 image_text_width = (static_cast<gdouble>(logical_rect.width) / PANGO_SCALE) ;
 630                 image_text_height = (static_cast<gdouble>(logical_rect.height) / PANGO_SCALE);
 631
 632                 pango_layout_set_alignment(layout_image, PANGO_ALIGN_CENTER);
 633                 pango_layout_set_text(layout_image, image_text->str, -1);
 634
 635                 pango_image_height = image_text_height + PRINT_TEXT_PADDING * 2;
 636
 637                 pango_font_description_free(desc);
 638                 }
 639
 640         if (page_text->len > 0)
 641                 {
 642                 layout_page = pango_cairo_create_layout(cr);
 643
 644                 pango_layout_set_text(layout_page, page_text->str, -1);
 645                 desc = pango_font_description_from_string(options->printer.page_font);
 646                 pango_layout_set_font_description(layout_page, desc);
 647
 648                 pango_layout_get_extents(layout_page, &ink_rect, &logical_rect);
 649                 page_text_width = (static_cast<gdouble>(logical_rect.width) / PANGO_SCALE) ;
 650                 page_text_height = (static_cast<gdouble>(logical_rect.height) / PANGO_SCALE);
 651
 652                 pango_layout_set_alignment(layout_page, PANGO_ALIGN_CENTER);
 653                 pango_layout_set_text(layout_page, page_text->str, -1);
 654
 655                 pango_page_height = page_text_height + PRINT_TEXT_PADDING * 2;
 656
 657                 pango_font_description_free(desc);
 658                 }
 659
 660         pango_height = pango_image_height + pango_page_height;
 661
 662         if ((context_width / pixbuf_image_width) < ((context_height - pango_height) / pixbuf_image_height))
 663                 {
 664                 w = context_width;
 665                 scale = context_width / pixbuf_image_width;
 666                 h = pixbuf_image_height * scale;
 667                 height_offset = (context_height - (h + pango_height)) / 2;
 668                 width_offset = 0;
 669                 }
 670         else
 671                 {
 672                 h = context_height - pango_height ;
 673                 scale = (context_height - pango_height) / pixbuf_image_height;
 674                 w = pixbuf_image_width * scale;
 675                 height_offset = 0;
 676                 width_offset = (context_width - (pixbuf_image_width * scale)) / 2;
 677                 }
 678
 679         incr_y = height_offset;
 680
 681         if (options->printer.page_text_position == HEADER_1 && page_text->len > 0)
 682                 {
 683                 cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y);
 684                 pango_cairo_show_layout(cr, layout_page);
 685
 686                 incr_y = incr_y + pango_page_height;
 687                 }
 688
 689         if (options->printer.image_text_position == HEADER_1 && image_text->len > 0)
 690                 {
 691                 cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y + PRINT_TEXT_PADDING);
 692                 pango_cairo_show_layout(cr, layout_image);
 693
 694                 incr_y = incr_y + pango_image_height;
 695                 }
 696
 697         if (options->printer.page_text_position == HEADER_2 && page_text->len > 0)
 698                 {
 699                 cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y);
 700                 pango_cairo_show_layout(cr, layout_page);
 701
 702                 incr_y = incr_y + pango_page_height;
 703                 }
 704
 705         if (options->printer.image_text_position == HEADER_2 && image_text->len > 0)
 706                 {
 707                 cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y);
 708                 pango_cairo_show_layout(cr, layout_image);
 709
 710                 incr_y = incr_y + pango_image_height;
 711                 }
 712
 713         image_y = incr_y;
 714         incr_y = incr_y + h;
 715
 716         if (options->printer.page_text_position == FOOTER_1 && page_text->len > 0)
 717                 {
 718                 cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y + PRINT_TEXT_PADDING);
 719                 pango_cairo_show_layout(cr, layout_page);
 720
 721                 incr_y = incr_y + pango_page_height;
 722                 }
 723
 724         if (options->printer.image_text_position == FOOTER_1 && image_text->len > 0)
 725                 {
 726                 cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y);
 727                 pango_cairo_show_layout(cr, layout_image);
 728
 729                 incr_y = incr_y + pango_image_height;
 730                 }
 731
 732         if (options->printer.page_text_position == FOOTER_2 && page_text->len > 0)
 733                 {
 734                 cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y);
 735                 pango_cairo_show_layout(cr, layout_page);
 736
 737                 incr_y = incr_y + pango_page_height;
 738                 }
 739
 740         if (options->printer.image_text_position == FOOTER_2 && image_text->len > 0)
 741                 {
 742                 cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y);
 743                 pango_cairo_show_layout(cr, layout_image);
 744                 }
 745
 746         cairo_scale(cr, scale, scale);
 747
 748         cairo_rectangle(cr,  width_offset * scale , image_y, pixbuf_image_width / scale, pixbuf_image_height / scale);
 749         gdk_cairo_set_source_pixbuf(cr, pixbuf, width_offset / scale, image_y / scale);
 750         cairo_fill(cr);
 751
 752         if (image_text->len > 0)
 753                 {
 754                 g_object_unref(layout_image);
 755                 g_string_free(image_text, TRUE);
 756                 }
 757         if (page_text->len > 0)
 758                 {
 759                 g_object_unref(layout_page);
 760                 g_string_free(page_text, TRUE);
 761                 }
 762
 763         if (rotated) g_object_unref(rotated);
 764 }
 765
 766 static void begin_print(GtkPrintOperation *operation, GtkPrintContext *, gpointer user_data)
 767 {
 768         auto pw = static_cast<PrintWindow *>(user_data);
 769         gint page_count;
 770
 771         page_count = print_layout_page_count(pw);
 772         gtk_print_operation_set_n_pages (operation, page_count);
 773
 774         print_job_render_image(pw);
 775 }
 776
 777
 778 GObject *option_tab_cb(GtkPrintOperation *, gpointer user_data)
 779 {
 780         auto pw = static_cast<PrintWindow *>(user_data);
 781
 782         return G_OBJECT(pw->vbox);
 783 }
 784
 785 static void print_pref_store(PrintWindow *pw)
 786 {
 787         gchar *tmp;
 788         GtkTextIter start, end;
 789
 790         gtk_text_buffer_get_bounds(GTK_TEXT_BUFFER(pw->page_text), &start, &end);
 791         tmp = gtk_text_buffer_get_text(GTK_TEXT_BUFFER(pw->page_text), &start, &end, FALSE);
 792         g_free(options->printer.page_text);
 793         options->printer.page_text = g_strdup(tmp);
 794         g_free(tmp);
 795 }
 796
 797 static void end_print_cb(GtkPrintOperation *operation, GtkPrintContext *, gpointer data)
 798 {
 799         auto pw = static_cast<PrintWindow *>(data);
 800         GList *work;
 801         GdkPixbuf *pixbuf;
 802         gchar *path;
 803         GtkPrintSettings *print_settings;
 804         GtkPageSetup *page_setup;
 805         GError *error = nullptr;
 806
 807         print_settings = gtk_print_operation_get_print_settings(operation);
 808         path = g_build_filename(get_rc_dir(), PRINT_SETTINGS, NULL);
 809
 810         gtk_print_settings_to_file(print_settings, path, &error);
 811         if (error)
 812                 {
 813                 log_printf("Error: Print settings save failed:\n%s", error->message);
 814                 g_error_free(error);
 815                 error = nullptr;
 816                 }
 817         g_free(path);
 818         g_object_unref(print_settings);
 819
 820         page_setup = gtk_print_operation_get_default_page_setup(operation);
 821         path = g_build_filename(get_rc_dir(), PAGE_SETUP, NULL);
 822
 823         gtk_page_setup_to_file(page_setup, path, &error);
 824         if (error)
 825                 {
 826                 log_printf("Error: Print page setup save failed:\n%s", error->message);
 827                 g_error_free(error);
 828                 error = nullptr;
 829                 }
 830         g_free(path);
 831         g_object_unref(page_setup);
 832
 833         print_pref_store(pw);
 834
 835         work = pw->print_pixbuf_queue;
 836         while (work)
 837                 {
 838                 pixbuf = static_cast<GdkPixbuf *>(work->data);
 839                 if (pixbuf)
 840                         {
 841                         g_object_unref(pixbuf);
 842                         }
 843                 work = work->next;
 844                 }
 845         g_list_free(pw->print_pixbuf_queue);
 846         g_object_unref(pw->page_text);
 847         g_free(pw);
 848 }
 849
 850 void print_window_new(FileData *, GList *selection, GList *, GtkWidget *parent)
 851 {
 852         GtkWidget *vbox;
 853         GtkPrintOperation *operation;
 854         GtkPageSetup *page_setup;
 855         gchar *uri;
 856         const gchar *dir;
 857         GError *error = nullptr;
 858         gchar *path;
 859         GtkPrintSettings *settings;
 860
 861         auto pw = g_new0(PrintWindow, 1);
 862
 863         pw->source_selection = file_data_process_groups_in_selection(selection, FALSE, nullptr);
 864
 865         if (print_layout_page_count(pw) == 0)
 866                 {
 867                 return;
 868                 }
 869
 870         pw->parent = parent;
 871
 872         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 873         gtk_container_set_border_width(GTK_CONTAINER(vbox), PREF_PAD_BORDER);
 874         gtk_widget_show(vbox);
 875
 876         print_text_menu(vbox, pw);
 877         pw->vbox = vbox;
 878
 879         pw->print_pixbuf_queue = nullptr;
 880         pw->job_render_finished = FALSE;
 881         pw->job_page = 0;
 882
 883         operation = gtk_print_operation_new();
 884         settings = gtk_print_settings_new();
 885
 886         gtk_print_operation_set_custom_tab_label(operation, "Options");
 887         gtk_print_operation_set_use_full_page(operation, TRUE);
 888         gtk_print_operation_set_unit(operation, GTK_UNIT_POINTS);
 889         gtk_print_operation_set_embed_page_setup(operation, TRUE);
 890         gtk_print_operation_set_allow_async (operation, TRUE);
 891         dir = g_get_user_special_dir(G_USER_DIRECTORY_DOCUMENTS);
 892         if (dir == nullptr)
 893                 {
 894                 dir = g_get_home_dir();
 895                 }
 896
 897         uri = g_build_filename("file:/", dir, "geeqie-file.pdf", NULL);
 898         gtk_print_settings_set(settings, GTK_PRINT_SETTINGS_OUTPUT_URI, uri);
 899         g_free(uri);
 900
 901         path = g_build_filename(get_rc_dir(), PRINT_SETTINGS, NULL);
 902         gtk_print_settings_load_file(settings, path, &error);
 903         if (error)
 904                 {
 905                 log_printf("Error: Printer settings load failed:\n%s", error->message);
 906                 g_error_free(error);
 907                 error = nullptr;
 908                 }
 909         gtk_print_operation_set_print_settings(operation, settings);
 910         g_free(path);
 911
 912         page_setup = gtk_page_setup_new();
 913         path = g_build_filename(get_rc_dir(), PAGE_SETUP, NULL);
 914         gtk_page_setup_load_file(page_setup, path, &error);
 915         if (error)
 916                 {
 917                 log_printf("Error: Print page setup load failed:\n%s", error->message);
 918                 g_error_free(error);
 919                 error = nullptr;
 920                 }
 921         gtk_print_operation_set_default_page_setup(operation, page_setup);
 922         g_free(path);
 923
 924         g_signal_connect (G_OBJECT (operation), "begin-print",
 925                                         G_CALLBACK (begin_print), pw);
 926         g_signal_connect (G_OBJECT (operation), "draw-page",
 927                                         G_CALLBACK (draw_page), pw);
 928         g_signal_connect (G_OBJECT (operation), "end-print",
 929                                         G_CALLBACK (end_print_cb), pw);
 930         g_signal_connect (G_OBJECT (operation), "create-custom-widget",
 931                                         G_CALLBACK (option_tab_cb), pw);
 932         g_signal_connect (G_OBJECT (operation), "paginate",
 933                                         G_CALLBACK (paginate_cb), pw);
 934
 935         gtk_print_operation_set_n_pages(operation, print_layout_page_count(pw));
 936
 937         gtk_print_operation_run(operation, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
 938                                                                                                 GTK_WINDOW (parent), &error);
 939
 940         if (error)
 941                 {
 942                 GtkWidget *dialog;
 943
 944                 dialog = gtk_message_dialog_new(GTK_WINDOW (parent),
 945                                                                 GTK_DIALOG_DESTROY_WITH_PARENT,
 946                                                                 GTK_MESSAGE_ERROR,
 947                                                                 GTK_BUTTONS_CLOSE,
 948                                                                 "%s", error->message);
 949                 g_error_free (error);
 950
 951                 g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
 952
 953                 gtk_widget_show (dialog);
 954                 }
 955
 956         g_object_unref(page_setup);
 957         g_object_unref(settings);
 958 }
 959 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */