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 typedef enum {
43 	FOOTER_2,
44 	FOOTER_1,
45 	HEADER_2,
46 	HEADER_1
47 } TextPosition;
48 
49 typedef struct _PrintWindow PrintWindow;
50 struct _PrintWindow
51 {
52 	GtkWidget *vbox;
53 	GList *source_selection;
54 
55 	gint job_page;
56 	GtkTextBuffer *page_text;
57 	gchar *template_string;
58 	GtkWidget *parent;
59 	ImageLoader	*job_loader;
60 
61 	GList *print_pixbuf_queue;
62 	gboolean job_render_finished;
63 	GSList *image_group;
64 	GSList *page_group;
65 };
66 
print_layout_page_count(PrintWindow * pw)67 static gint print_layout_page_count(PrintWindow *pw)
68 {
69 	gint images;
70 
71 	images = g_list_length(pw->source_selection);
72 
73 	if (images < 1 ) return 0;
74 
75 	return images;
76 }
77 
78 static gboolean print_job_render_image(PrintWindow *pw);
79 
print_job_render_image_loader_done(ImageLoader * il,gpointer data)80 static void print_job_render_image_loader_done(ImageLoader *il, gpointer data)
81 {
82 	PrintWindow *pw = data;
83 	GdkPixbuf *pixbuf;
84 
85 	pixbuf = image_loader_get_pixbuf(il);
86 
87 	g_object_ref(pixbuf);
88 	pw->print_pixbuf_queue = g_list_append(pw->print_pixbuf_queue, pixbuf);
89 
90 	image_loader_free(pw->job_loader);
91 	pw->job_loader = NULL;
92 
93 	pw->job_page++;
94 
95 	if (!print_job_render_image(pw))
96 		{
97 		pw->job_render_finished = TRUE;
98 		}
99 }
100 
print_job_render_image(PrintWindow * pw)101 static gboolean print_job_render_image(PrintWindow *pw)
102 {
103 	FileData *fd = NULL;
104 
105 	fd = g_list_nth_data(pw->source_selection, pw->job_page);
106 	if (!fd) return FALSE;
107 
108 	image_loader_free(pw->job_loader);
109 	pw->job_loader = NULL;
110 
111 	pw->job_loader = image_loader_new(fd);
112 	g_signal_connect(G_OBJECT(pw->job_loader), "done",
113 						(GCallback)print_job_render_image_loader_done, pw);
114 
115 	if (!image_loader_start(pw->job_loader))
116 		{
117 		image_loader_free(pw->job_loader);
118 		pw->job_loader= NULL;
119 		}
120 
121 	return TRUE;
122 }
123 
print_set_font_cb(GtkWidget * widget,gpointer data)124 static void print_set_font_cb(GtkWidget *widget, gpointer data)
125 {
126 	gpointer option;
127 
128 	if (g_strcmp0(data, "Image text font") == 0)
129 		{
130 		option = options->printer.image_font;
131 		}
132 	else
133 		{
134 		option = options->printer.page_font;
135 		}
136 
137 #if GTK_CHECK_VERSION(3,4,0)
138 	GtkWidget *dialog;
139 	char *font;
140 	PangoFontDescription *font_desc;
141 
142 	dialog = gtk_font_chooser_dialog_new(data, GTK_WINDOW(gtk_widget_get_toplevel(widget)));
143 	gtk_font_chooser_set_font(GTK_FONT_CHOOSER(dialog), option);
144 
145 	if (gtk_dialog_run(GTK_DIALOG(dialog)) != GTK_RESPONSE_CANCEL)
146 		{
147 		font_desc = gtk_font_chooser_get_font_desc(GTK_FONT_CHOOSER(dialog));
148 		font = pango_font_description_to_string(font_desc);
149 		g_free(option);
150 		option = g_strdup(font);
151 		g_free(font);
152 		}
153 
154 	gtk_widget_destroy(dialog);
155 #else
156 	const char *font;
157 
158 	font = gtk_font_button_get_font_name(GTK_FONT_BUTTON(widget));
159 	option = g_strdup(font);
160 #endif
161 }
162 
set_toggle(GSList * list,TextPosition pos)163 static gint set_toggle(GSList *list, TextPosition pos)
164 {
165 	GtkToggleButton *current_sel;
166 	GtkToggleButton *new_sel;
167 	gint new_pos = - 1;
168 
169 	current_sel = g_slist_nth(list, pos)->data;
170 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(current_sel)))
171 		{
172 		new_pos = (pos - 1);
173 		if (new_pos < 0)
174 			{
175 			new_pos = HEADER_1;
176 			}
177 		new_sel = g_slist_nth(list, new_pos)->data;
178 		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(new_sel), TRUE);
179 		}
180 	return new_pos;
181 }
182 
image_text_position_h1_cb(GtkWidget * widget,gpointer data)183 static void image_text_position_h1_cb(GtkWidget *widget, gpointer data)
184 {
185 	PrintWindow *pw = data;
186 	gint new_set;
187 
188 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
189 		{
190 		new_set = set_toggle(pw->page_group, HEADER_1);
191 		if (new_set >= 0)
192 			{
193 			options->printer.page_text_position = new_set;
194 			}
195 		options->printer.image_text_position = HEADER_1;
196 		}
197 }
198 
image_text_position_h2_cb(GtkWidget * widget,gpointer data)199 static void image_text_position_h2_cb(GtkWidget *widget, gpointer data)
200 {
201 	PrintWindow *pw = data;
202 	gint new_set;
203 
204 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
205 		{
206 		new_set = set_toggle(pw->page_group, HEADER_2);
207 		if (new_set >= 0)
208 			{
209 			options->printer.page_text_position = new_set;
210 			}
211 		options->printer.image_text_position = HEADER_2;
212 		}
213 }
214 
image_text_position_f1_cb(GtkWidget * widget,gpointer data)215 static void image_text_position_f1_cb(GtkWidget *widget, gpointer data)
216 {
217 	PrintWindow *pw = data;
218 	gint new_set;
219 
220 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
221 		{
222 		new_set = set_toggle(pw->page_group, FOOTER_1);
223 		if (new_set >= 0)
224 			{
225 			options->printer.page_text_position = new_set;
226 			}
227 		options->printer.image_text_position = FOOTER_1;
228 		}
229 }
230 
image_text_position_f2_cb(GtkWidget * widget,gpointer data)231 static void image_text_position_f2_cb(GtkWidget *widget, gpointer data)
232 {
233 	PrintWindow *pw = data;
234 	gint new_set;
235 
236 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
237 		{
238 		new_set = set_toggle(pw->page_group, FOOTER_2);
239 		if (new_set >= 0)
240 			{
241 			options->printer.page_text_position = new_set;
242 			}
243 		options->printer.image_text_position = FOOTER_2;
244 		}
245 }
246 
page_text_position_h1_cb(GtkWidget * widget,gpointer data)247 static void page_text_position_h1_cb(GtkWidget *widget, gpointer data)
248 {
249 	PrintWindow *pw = data;
250 	gint new_set;
251 
252 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
253 		{
254 		new_set = set_toggle(pw->image_group, HEADER_1);
255 		if (new_set >= 0)
256 			{
257 			options->printer.image_text_position = new_set;
258 			}
259 		options->printer.page_text_position = HEADER_1;
260 		}
261 }
262 
page_text_position_h2_cb(GtkWidget * widget,gpointer data)263 static void page_text_position_h2_cb(GtkWidget *widget, gpointer data)
264 {
265 	PrintWindow *pw = data;
266 	gint new_set;
267 
268 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
269 		{
270 		new_set = set_toggle(pw->image_group, HEADER_2);
271 		if (new_set >= 0)
272 			{
273 			options->printer.image_text_position = new_set;
274 			}
275 		options->printer.page_text_position = HEADER_2;
276 		}
277 }
278 
page_text_position_f1_cb(GtkWidget * widget,gpointer data)279 static void page_text_position_f1_cb(GtkWidget *widget, gpointer data)
280 {
281 	PrintWindow *pw = data;
282 	gint new_set;
283 
284 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
285 		{
286 		new_set = set_toggle(pw->image_group, FOOTER_1);
287 		if (new_set >= 0)
288 			{
289 			options->printer.image_text_position = new_set;
290 			}
291 		options->printer.page_text_position = FOOTER_1;
292 		}
293 }
294 
page_text_position_f2_cb(GtkWidget * widget,gpointer data)295 static void page_text_position_f2_cb(GtkWidget *widget, gpointer data)
296 {
297 	PrintWindow *pw = data;
298 	gint new_set;
299 
300 	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)))
301 		{
302 		new_set = set_toggle(pw->image_group, FOOTER_2);
303 		if (new_set >= 0)
304 			{
305 			options->printer.image_text_position = new_set;
306 			}
307 		options->printer.page_text_position = FOOTER_2;
308 		}
309 }
310 
set_print_image_text_string(gchar ** template_string,const gchar * value)311 static void set_print_image_text_string(gchar **template_string, const gchar *value)
312 {
313 	g_assert(template_string);
314 
315 	g_free(*template_string);
316 	*template_string = g_strdup(value);
317 }
318 
image_text_template_view_changed_cb(GtkWidget * widget,gpointer data)319 static void image_text_template_view_changed_cb(GtkWidget *widget, gpointer data)
320 {
321 	GtkWidget *pTextView;
322 	GtkTextBuffer *pTextBuffer;
323 	GtkTextIter iStart;
324 	GtkTextIter iEnd;
325 
326 	pTextView = GTK_WIDGET(data);
327 
328 	pTextBuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pTextView));
329 	gtk_text_buffer_get_start_iter(pTextBuffer, &iStart);
330 	gtk_text_buffer_get_end_iter(pTextBuffer, &iEnd);
331 
332 	set_print_image_text_string(&options->printer.template_string,
333 					  gtk_text_buffer_get_text(pTextBuffer, &iStart, &iEnd, TRUE));
334 }
335 
336 #define PRE_FORMATTED_COLUMNS 4
print_text_menu(GtkWidget * box,PrintWindow * pw)337 static void print_text_menu(GtkWidget *box, PrintWindow *pw)
338 {
339 	GtkWidget *group;
340 	GtkWidget *hbox;
341 	GtkWidget *button;
342 	GtkWidget *button1;
343 	GtkWidget *button2;
344 	GtkWidget *image_text_button;
345 	GtkWidget *page_text_button;
346 	GtkWidget *subgroup;
347 	GtkWidget *page_text_view;
348 	GtkWidget *image_text_template_view;
349 	GtkWidget *scrolled;
350 	GtkWidget *scrolled_pre_formatted;
351 	GtkTextBuffer *buffer;
352 
353 	group = pref_group_new(box, FALSE, _("Image text"), GTK_ORIENTATION_VERTICAL);
354 
355 	image_text_button = pref_checkbox_new_int(group, _("Show image text"),
356 										options->printer.show_image_text, &options->printer.show_image_text);
357 
358 	subgroup = pref_box_new(group, FALSE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
359 
360 	pref_checkbox_link_sensitivity(image_text_button, subgroup);
361 
362 	hbox = gtk_hbox_new(FALSE, 0);
363 	gtk_box_pack_start(GTK_BOX(subgroup), hbox, FALSE, FALSE, 0);
364 
365 	/* order is important */
366 	button1 = pref_radiobutton_new(hbox, NULL,  "Header 1",
367 							options->printer.image_text_position == HEADER_1,
368 							G_CALLBACK(image_text_position_h1_cb), pw);
369 	button1 = pref_radiobutton_new(hbox, button1,  "Header 2",
370 							options->printer.image_text_position == HEADER_2,
371 							G_CALLBACK(image_text_position_h2_cb), pw);
372 	button1 = pref_radiobutton_new(hbox, button1, "Footer 1",
373 							options->printer.image_text_position == FOOTER_1,
374 							G_CALLBACK(image_text_position_f1_cb), pw);
375 	button1 = pref_radiobutton_new(hbox, button1, "Footer 2",
376 							options->printer.image_text_position == FOOTER_2,
377 							G_CALLBACK(image_text_position_f2_cb), pw);
378 	gtk_widget_show(hbox);
379 	pw->image_group = (gtk_radio_button_get_group(GTK_RADIO_BUTTON(button1)));
380 
381 	image_text_template_view = gtk_text_view_new();
382 
383 	scrolled_pre_formatted = osd_new(PRE_FORMATTED_COLUMNS, image_text_template_view);
384 	gtk_box_pack_start(GTK_BOX(subgroup), scrolled_pre_formatted, FALSE, FALSE, 0);
385 	gtk_widget_show(scrolled_pre_formatted);
386 	gtk_widget_show(subgroup);
387 
388 	gtk_widget_set_tooltip_markup(image_text_template_view,
389 					_("Extensive formatting options are shown in the Help file"));
390 
391 	scrolled = gtk_scrolled_window_new(NULL, NULL);
392 	gtk_widget_set_size_request(scrolled, 200, 50);
393 	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
394 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
395 									GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
396 	gtk_box_pack_start(GTK_BOX(subgroup), scrolled, TRUE, TRUE, 5);
397 	gtk_widget_show(scrolled);
398 
399 	gtk_container_add(GTK_CONTAINER(scrolled), image_text_template_view);
400 	gtk_widget_show(image_text_template_view);
401 
402 	buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(image_text_template_view));
403 	if (options->printer.template_string) gtk_text_buffer_set_text(buffer, options->printer.template_string, -1);
404 	g_signal_connect(G_OBJECT(buffer), "changed",
405 			 G_CALLBACK(image_text_template_view_changed_cb), image_text_template_view);
406 
407 	hbox = pref_box_new(subgroup, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_BUTTON_GAP);
408 
409 #if GTK_CHECK_VERSION(3,4,0)
410 	button = pref_button_new(NULL, GTK_STOCK_SELECT_FONT, _("Font"), FALSE,
411 				 G_CALLBACK(print_set_font_cb), "Image text font");
412 #else
413 	button = gtk_font_button_new();
414 	gtk_font_button_set_title(GTK_FONT_BUTTON(button), "Image text Font");
415 	gtk_font_button_set_font_name(GTK_FONT_BUTTON(button), options->printer.image_font);
416 	g_signal_connect(G_OBJECT(button), "font-set",
417 				 G_CALLBACK(print_set_font_cb), "Image text font");
418 #endif
419 	gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
420 	gtk_widget_show(button);
421 
422 	pref_spacer(group, PREF_PAD_GAP);
423 
424 	group = pref_group_new(box, FALSE, _("Page text"), GTK_ORIENTATION_VERTICAL);
425 
426 	page_text_button = pref_checkbox_new_int(group, _("Show page text"),
427 					  options->printer.show_page_text, &options->printer.show_page_text);
428 
429 	subgroup = pref_box_new(group, FALSE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
430 	pref_checkbox_link_sensitivity(page_text_button, subgroup);
431 
432 	hbox = gtk_hbox_new(FALSE, 0);
433 	gtk_box_pack_start(GTK_BOX(subgroup), hbox, FALSE, FALSE, 0);
434 
435 	/* order is important */
436 	button2 = pref_radiobutton_new(hbox, NULL, "Header 1",
437 							options->printer.page_text_position == HEADER_1,
438 							G_CALLBACK(page_text_position_h1_cb), pw);
439 	button2 = pref_radiobutton_new(hbox, button2,  "Header 2",
440 							options->printer.page_text_position == HEADER_2,
441 							G_CALLBACK(page_text_position_h2_cb), pw);
442 	button2 = pref_radiobutton_new(hbox, button2, "Footer 1",
443 							options->printer.page_text_position == FOOTER_1,
444 							G_CALLBACK(page_text_position_f1_cb), pw);
445 	button2 = pref_radiobutton_new(hbox, button2, "Footer 2",
446 							options->printer.page_text_position == FOOTER_2,
447 							G_CALLBACK(page_text_position_f2_cb), pw);
448 	gtk_widget_show(hbox);
449 	pw->page_group = (gtk_radio_button_get_group(GTK_RADIO_BUTTON(button2)));
450 
451 	scrolled = gtk_scrolled_window_new(NULL, NULL);
452 	gtk_widget_set_size_request(scrolled, 50, 50);
453 	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
454 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
455 				       GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
456 	gtk_box_pack_start(GTK_BOX(subgroup), scrolled, TRUE, TRUE, 5);
457 	gtk_widget_show(scrolled);
458 
459 	page_text_view = gtk_text_view_new();
460 	pw->page_text = gtk_text_view_get_buffer(GTK_TEXT_VIEW(page_text_view ));
461 	gtk_text_buffer_set_text(GTK_TEXT_BUFFER(pw->page_text), options->printer.page_text, -1);
462 	g_object_ref(pw->page_text);
463 
464 	gtk_widget_set_tooltip_markup(page_text_view, ("Text shown on each page of a single or multi-page print job"));
465 	gtk_container_add(GTK_CONTAINER(scrolled), page_text_view);
466 	gtk_widget_show(page_text_view);
467 
468 	hbox = pref_box_new(subgroup, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_BUTTON_GAP);
469 
470 #if GTK_CHECK_VERSION(3,4,0)
471 	button = pref_button_new(NULL, GTK_STOCK_SELECT_FONT, _("Font"), FALSE,
472 				 G_CALLBACK(print_set_font_cb), "Page text font");
473 #else
474 	button = gtk_font_button_new();
475 	gtk_font_button_set_title(GTK_FONT_BUTTON(button), "Page text Font");
476 	gtk_font_button_set_font_name(GTK_FONT_BUTTON(button), options->printer.page_font);
477 	g_signal_connect(G_OBJECT(button), "font-set",
478 				 G_CALLBACK(print_set_font_cb), "Page text font");
479 #endif
480 	gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, FALSE, 0);
481 	gtk_widget_show(button);
482 }
483 
paginate_cb(GtkPrintOperation * operation,GtkPrintContext * context,gpointer data)484 static gboolean paginate_cb(GtkPrintOperation *operation,
485 									GtkPrintContext *context,
486 									gpointer data)
487 {
488 	PrintWindow *pw = data;
489 
490 	if (pw->job_render_finished)
491 		{
492 		return TRUE;
493 		}
494 	else
495 		{
496 		return FALSE;
497 		}
498 }
499 
form_image_text(const gchar * template_string,FileData * fd,PrintWindow * pw,gint page_nr,gint total)500 gchar *form_image_text(const gchar *template_string, FileData *fd, PrintWindow *pw, gint page_nr, gint total)
501 {
502 	const gchar *name;
503 	gchar *text = NULL;
504 	GHashTable *vars;
505 	gchar *window_title;
506 	gchar *delimiter;
507 	gchar *collection_name;
508 
509 	if (!fd) return NULL;
510 
511 	name = fd->name;
512 
513 	vars = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, g_free);
514 
515 	window_title = g_strdup(gtk_window_get_title(GTK_WINDOW(pw->parent)));
516 	delimiter = g_strstr_len(window_title, -1, " - Collection - ");
517 	if (delimiter)
518 		{
519 		collection_name = g_strndup(window_title, delimiter - window_title);
520 		}
521 	else
522 		{
523 		collection_name = NULL;
524 		}
525 	g_free(window_title);
526 
527 	if (collection_name)
528 		{
529 		osd_template_insert(vars, "collection", collection_name, OSDT_NONE);
530 		}
531 
532 	osd_template_insert(vars, "number", g_strdup_printf("%d", page_nr + 1), OSDT_NO_DUP);
533 	osd_template_insert(vars, "total", g_strdup_printf("%d", total), OSDT_NO_DUP);
534 	osd_template_insert(vars, "name", (gchar *) name, OSDT_NONE);
535 	osd_template_insert(vars, "date", fd ? ((gchar *) text_from_time(fd->date)) : "", OSDT_NONE);
536 	osd_template_insert(vars, "size", fd ? (text_from_size_abrev(fd->size)) : g_strdup(""), OSDT_FREE);
537 
538 	if (fd->pixbuf)
539 		{
540 		gint w, h;
541 		w = gdk_pixbuf_get_width(fd->pixbuf);
542 		h = gdk_pixbuf_get_height(fd->pixbuf);
543 
544 		osd_template_insert(vars, "width", g_strdup_printf("%d", w), OSDT_NO_DUP);
545  		osd_template_insert(vars, "height", g_strdup_printf("%d", h), OSDT_NO_DUP);
546  		osd_template_insert(vars, "res", g_strdup_printf("%d × %d", w, h), OSDT_FREE);
547  		}
548 	else
549 		{
550 		osd_template_insert(vars, "width", NULL, OSDT_NONE);
551  		osd_template_insert(vars, "height", NULL, OSDT_NONE);
552  		osd_template_insert(vars, "res", NULL, OSDT_NONE);
553 		}
554 
555 	text = image_osd_mkinfo(template_string, fd, vars);
556 	g_hash_table_destroy(vars);
557 
558 	g_free(collection_name);
559 
560 	return text;
561 }
562 
draw_page(GtkPrintOperation * operation,GtkPrintContext * context,gint page_nr,gpointer data)563 static void draw_page(GtkPrintOperation *operation, GtkPrintContext *context,
564 									gint page_nr, gpointer data)
565 {
566 	PrintWindow *pw = data;
567 	FileData *fd;
568 	cairo_t *cr;
569 	gdouble context_width, context_height;
570 	gdouble pixbuf_image_width, pixbuf_image_height;
571 	gdouble width_offset;
572 	gdouble height_offset;
573 	GdkPixbuf *pixbuf;
574 	GdkPixbuf *rotated = NULL;
575 	PangoLayout *layout_image = NULL;
576 	PangoLayout *layout_page = NULL;
577 	PangoFontDescription *desc;
578 	GString *image_text = g_string_new(NULL);
579 	GString *page_text = g_string_new(NULL);
580 	PangoRectangle ink_rect, logical_rect;
581 	gdouble w, h, scale;
582 	gdouble image_text_width, image_text_height, page_text_width, page_text_height;
583 	gint image_y;
584 	gint incr_y;
585 	gdouble pango_height;
586 	gdouble pango_image_height;
587 	gdouble pango_page_height;
588 	GtkTextIter start, end;
589 	gchar *tmp;
590 	gint total;
591 
592 	fd = g_list_nth_data(pw->source_selection, page_nr);
593 	total = g_list_length(pw->source_selection);
594 
595 	pixbuf = g_list_nth_data(pw->print_pixbuf_queue, page_nr);
596 	if (fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
597 		{
598 		rotated = pixbuf_apply_orientation(pixbuf, fd->exif_orientation);
599 		pixbuf = rotated;
600 		}
601 
602 	pixbuf_image_width = gdk_pixbuf_get_width(pixbuf);
603 	pixbuf_image_height = gdk_pixbuf_get_height(pixbuf);
604 
605 	if (options->printer.show_image_text)
606 		{
607 		image_text = g_string_append(image_text, form_image_text(options->printer.template_string, fd, pw, page_nr, total));
608 		}
609 
610 	if (options->printer.show_page_text)
611 		{
612 		gtk_text_buffer_get_bounds(GTK_TEXT_BUFFER(pw->page_text), &start, &end);
613 
614 		tmp = gtk_text_buffer_get_text(GTK_TEXT_BUFFER(pw->page_text), &start, &end, FALSE);
615 		page_text = g_string_append(page_text, tmp);
616 
617 		g_free(tmp);
618 		}
619 
620 	cr = gtk_print_context_get_cairo_context(context);
621 	context_width = gtk_print_context_get_width(context);
622 	context_height = gtk_print_context_get_height(context);
623 
624 	pango_image_height = 0;
625 	pango_page_height = 0;
626 	image_text_width = 0;
627 	page_text_width = 0;
628 
629 	if (image_text->len > 0)
630 		{
631 		layout_image = pango_cairo_create_layout(cr);
632 
633 		pango_layout_set_text(layout_image, image_text->str, -1);
634 		desc = pango_font_description_from_string(options->printer.image_font);
635 		pango_layout_set_font_description(layout_image, desc);
636 
637 		pango_layout_get_extents(layout_image, &ink_rect, &logical_rect);
638 		image_text_width = ((gdouble)logical_rect.width / PANGO_SCALE) ;
639 		image_text_height = ((gdouble)logical_rect.height / PANGO_SCALE);
640 
641 		pango_layout_set_alignment(layout_image, PANGO_ALIGN_CENTER);
642 		pango_layout_set_text(layout_image, image_text->str, -1);
643 
644 		pango_image_height = image_text_height + PRINT_TEXT_PADDING * 2;
645 
646 		pango_font_description_free(desc);
647 		}
648 
649 	if (page_text->len > 0)
650 		{
651 		layout_page = pango_cairo_create_layout(cr);
652 
653 		pango_layout_set_text(layout_page, page_text->str, -1);
654 		desc = pango_font_description_from_string(options->printer.page_font);
655 		pango_layout_set_font_description(layout_page, desc);
656 
657 		pango_layout_get_extents(layout_page, &ink_rect, &logical_rect);
658 		page_text_width = ((gdouble)logical_rect.width / PANGO_SCALE) ;
659 		page_text_height = ((gdouble)logical_rect.height / PANGO_SCALE);
660 
661 		pango_layout_set_alignment(layout_page, PANGO_ALIGN_CENTER);
662 		pango_layout_set_text(layout_page, page_text->str, -1);
663 
664 		pango_page_height = page_text_height + PRINT_TEXT_PADDING * 2;
665 
666 		pango_font_description_free(desc);
667 		}
668 
669 	pango_height = pango_image_height + pango_page_height;
670 
671 	if ((context_width / pixbuf_image_width) < ((context_height - pango_height) / pixbuf_image_height))
672 		{
673 		w = context_width;
674 		scale = context_width / pixbuf_image_width;
675 		h = pixbuf_image_height * scale;
676 		height_offset = (context_height - (h + pango_height)) / 2;
677 		width_offset = 0;
678 		}
679 	else
680 		{
681 		h = context_height - pango_height ;
682 		scale = (context_height - pango_height) / pixbuf_image_height;
683 		w = pixbuf_image_width * scale;
684 		height_offset = 0;
685 		width_offset = (context_width - (pixbuf_image_width * scale)) / 2;
686 		}
687 
688 	incr_y = height_offset;
689 
690 	if (options->printer.page_text_position == HEADER_1 && page_text->len > 0)
691 		{
692 		cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y);
693 		pango_cairo_show_layout(cr, layout_page);
694 
695 		incr_y = incr_y + pango_page_height;
696 		}
697 
698 	if (options->printer.image_text_position == HEADER_1 && image_text->len > 0)
699 		{
700 		cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y + PRINT_TEXT_PADDING);
701 		pango_cairo_show_layout(cr, layout_image);
702 
703 		incr_y = incr_y + pango_image_height;
704 		}
705 
706 	if (options->printer.page_text_position == HEADER_2 && page_text->len > 0)
707 		{
708 		cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y);
709 		pango_cairo_show_layout(cr, layout_page);
710 
711 		incr_y = incr_y + pango_page_height;
712 		}
713 
714 	if (options->printer.image_text_position == HEADER_2 && image_text->len > 0)
715 		{
716 		cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y);
717 		pango_cairo_show_layout(cr, layout_image);
718 
719 		incr_y = incr_y + pango_image_height;
720 		}
721 
722 	image_y = incr_y;
723 	incr_y = incr_y + h;
724 
725 	if (options->printer.page_text_position == FOOTER_1 && page_text->len > 0)
726 		{
727 		cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y + PRINT_TEXT_PADDING);
728 		pango_cairo_show_layout(cr, layout_page);
729 
730 		incr_y = incr_y + pango_page_height;
731 		}
732 
733 	if (options->printer.image_text_position == FOOTER_1 && image_text->len > 0)
734 		{
735 		cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y);
736 		pango_cairo_show_layout(cr, layout_image);
737 
738 		incr_y = incr_y + pango_image_height;
739 		}
740 
741 	if (options->printer.page_text_position == FOOTER_2 && page_text->len > 0)
742 		{
743 		cairo_move_to(cr, (w / 2) - (page_text_width / 2) + width_offset, incr_y);
744 		pango_cairo_show_layout(cr, layout_page);
745 
746 		incr_y = incr_y + pango_page_height;
747 		}
748 
749 	if (options->printer.image_text_position == FOOTER_2 && image_text->len > 0)
750 		{
751 		cairo_move_to(cr, (w / 2) - (image_text_width / 2) + width_offset, incr_y);
752 		pango_cairo_show_layout(cr, layout_image);
753 		}
754 
755 	cairo_scale(cr, scale, scale);
756 
757 	cairo_rectangle(cr,  width_offset * scale , image_y, pixbuf_image_width / scale, pixbuf_image_height / scale);
758 	gdk_cairo_set_source_pixbuf(cr, pixbuf, width_offset / scale, image_y / scale);
759 	cairo_fill(cr);
760 
761 	if (image_text->len > 0)
762 		{
763 		g_object_unref(layout_image);
764 		g_string_free(image_text, TRUE);
765 		}
766 	if (page_text->len > 0)
767 		{
768 		g_object_unref(layout_page);
769 		g_string_free(page_text, TRUE);
770 		}
771 
772 	if (rotated) g_object_unref(rotated);
773 
774 	return;
775 }
776 
begin_print(GtkPrintOperation * operation,GtkPrintContext * context,gpointer user_data)777 static void begin_print(GtkPrintOperation *operation,
778 						GtkPrintContext *context,
779 						gpointer user_data)
780 {
781 	PrintWindow *pw = user_data;
782 	gint page_count;
783 
784 	page_count = print_layout_page_count(pw);
785 	gtk_print_operation_set_n_pages (operation, page_count);
786 
787 	print_job_render_image(pw);
788 }
789 
790 
option_tab_cb(GtkPrintOperation * operation,gpointer user_data)791 GObject *option_tab_cb(GtkPrintOperation *operation, gpointer user_data)
792 {
793 	PrintWindow *pw = user_data;
794 
795 	return G_OBJECT(pw->vbox);
796 }
797 
print_pref_store(PrintWindow * pw)798 static void print_pref_store(PrintWindow *pw)
799 {
800 	gchar *tmp;
801 	GtkTextIter start, end;
802 
803 	gtk_text_buffer_get_bounds(GTK_TEXT_BUFFER(pw->page_text), &start, &end);
804 	tmp = gtk_text_buffer_get_text(GTK_TEXT_BUFFER(pw->page_text), &start, &end, FALSE);
805 	g_free(options->printer.page_text);
806 	options->printer.page_text = g_strdup(tmp);
807 	g_free(tmp);
808 }
809 
end_print_cb(GtkPrintOperation * operation,GtkPrintContext * context,gpointer data)810 static void end_print_cb(GtkPrintOperation *operation,
811 								GtkPrintContext *context, gpointer data)
812 {
813 	PrintWindow *pw = data;
814 	GList *work;
815 	GdkPixbuf *pixbuf;
816 	gchar *path;
817 	GtkPrintSettings *print_settings;
818 	GtkPageSetup *page_setup;
819 	GError *error = NULL;
820 
821 	print_settings = gtk_print_operation_get_print_settings(operation);
822 	path = g_build_filename(get_rc_dir(), PRINT_SETTINGS, NULL);
823 
824 	gtk_print_settings_to_file(print_settings, path, &error);
825 	if (error)
826 		{
827 		log_printf("Error: Print settings save failed:\n%s", error->message);
828 		g_error_free(error);
829 		error = NULL;
830 		}
831 	g_free(path);
832 	g_object_unref(print_settings);
833 
834 	page_setup = gtk_print_operation_get_default_page_setup(operation);
835 	path = g_build_filename(get_rc_dir(), PAGE_SETUP, NULL);
836 
837 	gtk_page_setup_to_file(page_setup, path, &error);
838 	if (error)
839 		{
840 		log_printf("Error: Print page setup save failed:\n%s", error->message);
841 		g_error_free(error);
842 		error = NULL;
843 		}
844 	g_free(path);
845 	g_object_unref(page_setup);
846 
847 	print_pref_store(pw);
848 
849 	work = pw->print_pixbuf_queue;
850 	while (work)
851 		{
852 		pixbuf = work->data;
853 		if (pixbuf)
854 			{
855 			g_object_unref(pixbuf);
856 			}
857 		work = work->next;
858 		}
859 	g_list_free(pw->print_pixbuf_queue);
860 	g_object_unref(pw->page_text);
861 	g_free(pw);
862 }
863 
print_window_new(FileData * fd,GList * selection,GList * list,GtkWidget * parent)864 void print_window_new(FileData *fd, GList *selection, GList *list, GtkWidget *parent)
865 {
866 	PrintWindow *pw;
867 	GtkWidget *vbox;
868 	GtkPrintOperation *operation;
869 	GtkPageSetup *page_setup;
870 	gchar *uri;
871 	const gchar *dir;
872 	GError *error = NULL;
873 	gchar *path;
874 	GtkPrintSettings *settings;
875 
876 	pw = g_new0(PrintWindow, 1);
877 
878 	pw->source_selection = file_data_process_groups_in_selection(selection, FALSE, NULL);
879 
880 	if (print_layout_page_count(pw) == 0)
881 		{
882 		return;
883 		}
884 
885 	pw->parent = parent;
886 
887 	vbox = gtk_vbox_new(FALSE, 0);
888 	gtk_container_set_border_width(GTK_CONTAINER(vbox), PREF_PAD_BORDER);
889 	gtk_widget_show(vbox);
890 
891 	print_text_menu(vbox, pw);
892 	pw->vbox = vbox;
893 
894 	pw->print_pixbuf_queue = NULL;
895 	pw->job_render_finished = FALSE;
896 	pw->job_page = 0;
897 
898 	operation = gtk_print_operation_new();
899 	settings = gtk_print_settings_new();
900 
901 	gtk_print_operation_set_custom_tab_label(operation, "Options");
902 	gtk_print_operation_set_use_full_page(operation, TRUE);
903 	gtk_print_operation_set_unit(operation, GTK_UNIT_POINTS);
904 	gtk_print_operation_set_embed_page_setup(operation, TRUE);
905 	gtk_print_operation_set_allow_async (operation, TRUE);
906 	dir = g_get_user_special_dir(G_USER_DIRECTORY_DOCUMENTS);
907 	if (dir == NULL)
908 		{
909 		dir = g_get_home_dir();
910 		}
911 
912 	uri = g_build_filename("file:/", dir, "geeqie-file.pdf", NULL);
913 	gtk_print_settings_set(settings, GTK_PRINT_SETTINGS_OUTPUT_URI, uri);
914 	g_free(uri);
915 
916 	path = g_build_filename(get_rc_dir(), PRINT_SETTINGS, NULL);
917 	gtk_print_settings_load_file(settings, path, &error);
918 	if (error)
919 		{
920 		log_printf("Error: Printer settings load failed:\n%s", error->message);
921 		g_error_free(error);
922 		error = NULL;
923 		}
924 	gtk_print_operation_set_print_settings(operation, settings);
925 	g_free(path);
926 
927 	page_setup = gtk_page_setup_new();
928 	path = g_build_filename(get_rc_dir(), PAGE_SETUP, NULL);
929 	gtk_page_setup_load_file(page_setup, path, &error);
930 	if (error)
931 		{
932 		log_printf("Error: Print page setup load failed:\n%s", error->message);
933 		g_error_free(error);
934 		error = NULL;
935 		}
936 	gtk_print_operation_set_default_page_setup(operation, page_setup);
937 	g_free(path);
938 
939 	g_signal_connect (G_OBJECT (operation), "begin-print",
940 					G_CALLBACK (begin_print), pw);
941 	g_signal_connect (G_OBJECT (operation), "draw-page",
942 					G_CALLBACK (draw_page), pw);
943 	g_signal_connect (G_OBJECT (operation), "end-print",
944 					G_CALLBACK (end_print_cb), pw);
945 	g_signal_connect (G_OBJECT (operation), "create-custom-widget",
946 					G_CALLBACK (option_tab_cb), pw);
947 	g_signal_connect (G_OBJECT (operation), "paginate",
948 					G_CALLBACK (paginate_cb), pw);
949 
950 	gtk_print_operation_set_n_pages(operation, print_layout_page_count(pw));
951 
952 	gtk_print_operation_run(operation, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
953 												GTK_WINDOW (parent), &error);
954 
955 	if (error)
956 		{
957 		GtkWidget *dialog;
958 
959 		dialog = gtk_message_dialog_new(GTK_WINDOW (parent),
960 								GTK_DIALOG_DESTROY_WITH_PARENT,
961 								GTK_MESSAGE_ERROR,
962 								GTK_BUTTONS_CLOSE,
963 								"%s", error->message);
964 		g_error_free (error);
965 
966 		g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
967 
968 		gtk_widget_show (dialog);
969 		}
970 
971 	g_object_unref(page_setup);
972 	g_object_unref(settings);
973 }
974 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
975