1 /* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
2 * Copyright (C) 2007 Holger Berndt <hb@claws-mail.org>,
3 * Colin Leroy <colin@colino.net>, and the Claws Mail team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "image_viewer.h"
27 #if GTK_CHECK_VERSION(2,10,0) && !defined(USE_GNOMEPRINT)
30 #include "prefs_common.h"
32 #include <glib/gi18n.h>
33 #include <gdk/gdkkeysyms.h>
35 #include <pango/pango.h>
41 PangoContext *pango_context;
45 GtkTextBuffer *buffer;
54 GtkPrintOperation *op;
55 GtkPrintOperationPreview *preview;
57 PrintData *print_data;
60 GtkWidget *page_nr_label;
61 GList *pages_to_print;
72 static void cb_begin_print(GtkPrintOperation*, GtkPrintContext*, gpointer);
73 static void cb_draw_page(GtkPrintOperation*, GtkPrintContext*, gint,
75 static gboolean cb_preview(GtkPrintOperation*, GtkPrintOperationPreview*,
76 GtkPrintContext*, GtkWindow*, gpointer);
77 static void cb_preview_destroy(GtkWindow*, gpointer);
78 static gboolean cb_preview_close(GtkWidget*, GdkEventAny*, gpointer);
79 static void cb_preview_size_allocate(GtkWidget*, GtkAllocation*);
80 static void cb_preview_ready(GtkPrintOperationPreview*,
81 GtkPrintContext*, gpointer);
82 static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
83 static void cb_preview_got_page_size(GtkPrintOperationPreview*,
85 GtkPageSetup*, gpointer);
86 static void cb_preview_go_first(GtkButton*, gpointer);
87 static void cb_preview_go_previous(GtkButton*, gpointer);
88 static void cb_preview_go_next(GtkButton*, gpointer);
89 static void cb_preview_go_last(GtkButton*, gpointer);
92 static GtkPrintSettings *settings = NULL;
93 static GtkPageSetup *page_setup = NULL;
95 /* other static functions */
96 static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *);
97 static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
98 static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
100 #define PREVIEW_SCALE 72
102 static void free_pixbuf(gpointer key, gpointer value, gpointer data)
104 PangoAttrShape *attr = (PangoAttrShape *) value;
105 g_object_unref(G_OBJECT(attr->data));
108 void printing_print(GtkTextView *text_view, GtkWindow *parent, gint sel_start, gint sel_end)
110 GtkPrintOperation *op;
111 GtkPrintOperationResult res;
112 PrintData *print_data;
113 GtkTextIter start, end;
114 GtkTextBuffer *buffer;
116 op = gtk_print_operation_new();
118 print_data = g_new0(PrintData,1);
120 print_data->images = g_hash_table_new(g_direct_hash, g_direct_equal);
121 print_data->pango_context=gtk_widget_get_pango_context(GTK_WIDGET(text_view));
124 buffer = gtk_text_view_get_buffer(text_view);
125 print_data->buffer = buffer;
126 print_data->sel_start = sel_start;
127 print_data->sel_end = sel_end;
128 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
129 gtk_text_buffer_get_start_iter(buffer, &start);
130 gtk_text_buffer_get_end_iter(buffer, &end);
132 gtk_text_buffer_get_iter_at_offset(buffer, &start, print_data->sel_start);
133 gtk_text_buffer_get_iter_at_offset(buffer, &end, print_data->sel_end);
136 print_data->text = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
138 if (settings == NULL) {
139 settings = gtk_print_settings_new();
140 gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
141 gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
142 gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
143 gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
145 if (page_setup == NULL) {
146 page_setup = gtk_page_setup_new();
147 if (prefs_common.print_paper_type && *prefs_common.print_paper_type) {
148 GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
149 gtk_page_setup_set_paper_size(page_setup, paper);
150 gtk_paper_size_free(paper);
152 gtk_page_setup_set_orientation(page_setup, prefs_common.print_paper_orientation);
155 /* Config for printing */
156 gtk_print_operation_set_print_settings(op, settings);
157 gtk_print_operation_set_default_page_setup(op, page_setup);
160 g_signal_connect(op, "begin_print", G_CALLBACK(cb_begin_print), print_data);
161 g_signal_connect(op, "draw_page", G_CALLBACK(cb_draw_page), print_data);
162 g_signal_connect(op, "preview", G_CALLBACK(cb_preview), print_data);
164 /* Start printing process */
165 res = gtk_print_operation_run(op, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
168 if(res == GTK_PRINT_OPERATION_RESULT_ERROR) {
169 GError *error = NULL;
170 gtk_print_operation_get_error(op, &error);
171 debug_print("Error printing message: %s",
172 error ? error->message : "no details");
174 else if(res == GTK_PRINT_OPERATION_RESULT_APPLY) {
175 /* store settings for next printing session */
177 g_object_unref(settings);
178 settings = g_object_ref(gtk_print_operation_get_print_settings(op));
179 prefs_common.print_use_color = gtk_print_settings_get_use_color(settings);
180 prefs_common.print_use_collate = gtk_print_settings_get_collate(settings);
181 prefs_common.print_use_reverse = gtk_print_settings_get_reverse(settings);
182 prefs_common.print_use_duplex = gtk_print_settings_get_duplex(settings);
185 g_hash_table_foreach(print_data->images, free_pixbuf, NULL);
186 g_hash_table_destroy(print_data->images);
188 g_free(print_data->text);
189 g_list_free(print_data->page_breaks);
190 if(print_data->layout)
191 g_object_unref(print_data->layout);
196 debug_print("printing_print finished\n");
199 void printing_page_setup(GtkWindow *parent)
201 GtkPageSetup *new_page_setup;
203 if(settings == NULL) {
204 settings = gtk_print_settings_new();
205 gtk_print_settings_set_use_color(settings, prefs_common.print_use_color);
206 gtk_print_settings_set_collate(settings, prefs_common.print_use_collate);
207 gtk_print_settings_set_reverse(settings, prefs_common.print_use_reverse);
208 gtk_print_settings_set_duplex(settings, prefs_common.print_use_duplex);
210 if (page_setup == NULL) {
211 page_setup = gtk_page_setup_new();
212 if (prefs_common.print_paper_type && *prefs_common.print_paper_type) {
213 GtkPaperSize *paper = gtk_paper_size_new(prefs_common.print_paper_type);
214 gtk_page_setup_set_paper_size(page_setup, paper);
215 gtk_paper_size_free(paper);
217 gtk_page_setup_set_orientation(page_setup, prefs_common.print_paper_orientation);
220 new_page_setup = gtk_print_run_page_setup_dialog(parent,page_setup,settings);
223 g_object_unref(page_setup);
225 page_setup = new_page_setup;
227 g_free(prefs_common.print_paper_type);
228 prefs_common.print_paper_type = g_strdup(gtk_paper_size_get_name(
229 gtk_page_setup_get_paper_size(page_setup)));
230 prefs_common.print_paper_orientation = gtk_page_setup_get_orientation(page_setup);
233 static gboolean cb_preview(GtkPrintOperation *operation,
234 GtkPrintOperationPreview *preview,
235 GtkPrintContext *context,
239 PrintData *print_data;
241 PreviewData *preview_data;
244 GtkWidget *scrolled_window;
247 static GdkGeometry geometry;
248 GtkWidget *dialog = NULL;
250 debug_print("Creating internal print preview\n");
252 print_data = (PrintData*) data;
253 print_data->is_preview = TRUE;
255 preview_data = g_new0(PreviewData,1);
256 preview_data->print_data = print_data;
257 preview_data->op = g_object_ref(operation);
258 preview_data->preview = preview;
261 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
262 if(!geometry.min_height) {
263 geometry.min_width = 600;
264 geometry.min_height = 400;
266 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
268 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
269 prefs_common.print_previewwin_height);
270 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
273 vbox = gtk_vbox_new(FALSE, 0);
274 gtk_container_add(GTK_CONTAINER(dialog), vbox);
277 hbox = gtk_hbox_new (FALSE, 0);
278 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
279 preview_data->first = gtk_button_new_from_stock(GTK_STOCK_GOTO_FIRST);
280 gtk_box_pack_start(GTK_BOX(hbox), preview_data->first, FALSE, FALSE, 0);
281 preview_data->previous = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
282 gtk_box_pack_start(GTK_BOX(hbox), preview_data->previous, FALSE, FALSE, 0);
283 page = gtk_label_new("");
284 gtk_widget_set_size_request(page, 100, -1);
285 preview_data->page_nr_label = page;
286 gtk_box_pack_start(GTK_BOX(hbox), page, FALSE, FALSE, 0);
287 preview_data->next = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
288 gtk_box_pack_start(GTK_BOX(hbox), preview_data->next, FALSE, FALSE, 0);
289 preview_data->last = gtk_button_new_from_stock(GTK_STOCK_GOTO_LAST);
290 gtk_box_pack_start(GTK_BOX(hbox), preview_data->last, FALSE, FALSE, 0);
291 preview_data->close = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
292 gtk_box_pack_start(GTK_BOX(hbox), preview_data->close, FALSE, FALSE, 0);
295 scrolled_window = gtk_scrolled_window_new(NULL, NULL);
296 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
297 GTK_POLICY_AUTOMATIC,
298 GTK_POLICY_AUTOMATIC);
299 gtk_box_pack_start(GTK_BOX(vbox), scrolled_window, TRUE, TRUE, 0);
300 da = gtk_drawing_area_new();
301 gtk_widget_set_double_buffered(da, FALSE);
302 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled_window),
304 gtk_widget_realize(da);
305 preview_data->area = da;
308 cr = gdk_cairo_create(da->window);
309 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
313 g_signal_connect(dialog, "key_press_event",
314 G_CALLBACK(cb_preview_close), preview_data);
315 g_signal_connect(dialog, "size_allocate",
316 G_CALLBACK(cb_preview_size_allocate), NULL);
317 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
319 g_signal_connect_swapped(preview_data->close, "clicked",
320 G_CALLBACK(gtk_widget_destroy), dialog);
321 g_signal_connect(preview_data->first, "clicked",
322 G_CALLBACK(cb_preview_go_first), preview_data);
323 g_signal_connect(preview_data->previous, "clicked",
324 G_CALLBACK(cb_preview_go_previous), preview_data);
325 g_signal_connect(preview_data->next, "clicked",
326 G_CALLBACK(cb_preview_go_next), preview_data);
327 g_signal_connect(preview_data->last, "clicked",
328 G_CALLBACK(cb_preview_go_last), preview_data);
329 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
331 g_signal_connect(preview, "got-page-size",
332 G_CALLBACK(cb_preview_got_page_size), preview_data);
333 gtk_widget_show_all(dialog);
337 static void cb_preview_destroy(GtkWindow *window, gpointer data)
339 PreviewData *preview_data;
340 preview_data = (PreviewData*) data;
342 if (preview_data->rendering)
344 debug_print("Preview window destroyed\n");
346 gtk_print_operation_preview_end_preview(preview_data->preview);
347 g_object_unref(preview_data->op);
348 g_list_free(preview_data->pages_to_print);
350 g_free(preview_data);
353 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
356 PreviewData *preview_data = (PreviewData *)data;
357 if(event->type == GDK_KEY_PRESS)
358 if(((GdkEventKey *)event)->keyval != GDK_Escape)
360 if (preview_data->rendering)
362 gtk_widget_destroy(widget);
366 static void cb_preview_size_allocate(GtkWidget *widget,
367 GtkAllocation *allocation)
369 g_return_if_fail(allocation != NULL);
371 prefs_common.print_previewwin_width = allocation->width;
372 prefs_common.print_previewwin_height = allocation->height;
375 static void cb_preview_ready(GtkPrintOperationPreview *preview,
376 GtkPrintContext *context,
379 PreviewData *preview_data;
381 preview_data = (PreviewData*) data;
382 debug_print("preview_ready %d\n", preview_data->print_data->npages);
384 for(iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
385 if(gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
386 preview_data->pages_to_print =
387 g_list_prepend(preview_data->pages_to_print, GINT_TO_POINTER(iPage));
388 debug_print("want to print page %d\n",iPage+1);
392 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
393 preview_data->current_page = preview_data->pages_to_print;
395 g_signal_connect(preview_data->area, "expose_event",
396 G_CALLBACK(cb_preview_expose),
399 gtk_widget_queue_draw(preview_data->area);
402 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
403 GtkPrintContext *context,
404 GtkPageSetup *page_setup,
407 PreviewData *preview_data;
408 GtkPageOrientation orientation;
409 GtkPaperSize *paper_size;
410 gdouble preview_width;
411 gdouble preview_height;
413 gdouble paper_height;
418 preview_data = (PreviewData*) data;
419 debug_print("got_page_size\n");
420 orientation = gtk_page_setup_get_orientation(page_setup);
421 paper_size = gtk_page_setup_get_paper_size(page_setup);
422 paper_width = gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH);
423 paper_height = gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH);
425 if((orientation == GTK_PAGE_ORIENTATION_PORTRAIT) ||
426 (orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)) {
427 preview_width = paper_width;
428 preview_height = paper_height;
431 preview_width = paper_height;
432 preview_height = paper_width;
435 debug_print("w/h %f/%f\n", paper_width * PREVIEW_SCALE, paper_height * PREVIEW_SCALE);
436 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
437 (gint) paper_width * PREVIEW_SCALE,
438 (gint) paper_height * PREVIEW_SCALE);
441 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
444 PreviewData *preview_data = data;
445 debug_print("preview_expose (current %p)\n", preview_data->current_page);
446 gdk_window_clear(preview_data->area->window);
447 if(preview_data->current_page) {
448 preview_data->rendering = TRUE;
449 gtk_widget_set_sensitive(preview_data->close, FALSE);
450 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
452 str = g_strdup_printf(_("Page %d"), cur+1);
453 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
455 gtk_print_operation_preview_render_page(preview_data->preview,
457 (preview_data->current_page->data));
459 gtk_widget_set_sensitive(preview_data->first, preview_data->current_page->prev != NULL);
460 gtk_widget_set_sensitive(preview_data->previous, preview_data->current_page->prev != NULL);
461 gtk_widget_set_sensitive(preview_data->next, preview_data->current_page->next != NULL);
462 gtk_widget_set_sensitive(preview_data->last, preview_data->current_page->next != NULL);
463 gtk_widget_set_sensitive(preview_data->close, TRUE);
464 preview_data->rendering = FALSE;
470 static void cb_preview_go_first(GtkButton *button, gpointer data)
472 PreviewData *preview_data = (PreviewData*) data;
473 preview_data->current_page = preview_data->pages_to_print;
474 gtk_widget_queue_draw(preview_data->area);
477 static void cb_preview_go_previous(GtkButton *button, gpointer data)
480 PreviewData *preview_data = (PreviewData*) data;
481 next = g_list_previous(preview_data->current_page);
483 preview_data->current_page = next;
484 gtk_widget_queue_draw(preview_data->area);
487 static void cb_preview_go_next(GtkButton *button, gpointer data)
490 PreviewData *preview_data = (PreviewData*) data;
491 next = g_list_next(preview_data->current_page);
493 preview_data->current_page = next;
494 gtk_widget_queue_draw(preview_data->area);
497 static void cb_preview_go_last(GtkButton *button, gpointer data)
499 PreviewData *preview_data = (PreviewData*) data;
500 preview_data->current_page = g_list_last(preview_data->current_page);
501 gtk_widget_queue_draw(preview_data->area);
504 static void cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
507 double width, height;
511 PrintData *print_data;
512 PangoFontDescription *desc;
514 PangoLayoutIter *iter;
516 double line_height =0.;
518 print_data = (PrintData*) user_data;
520 debug_print("Preparing print job...\n");
522 width = gtk_print_context_get_width(context);
523 height = gtk_print_context_get_height(context);
525 if (print_data->layout == NULL)
526 print_data->layout = gtk_print_context_create_pango_layout(context);
528 if(prefs_common.use_different_print_font)
529 desc = pango_font_description_from_string(prefs_common.printfont);
531 desc = pango_font_description_copy(
532 pango_context_get_font_description(print_data->pango_context));
534 pango_layout_set_font_description(print_data->layout, desc);
535 pango_font_description_free(desc);
537 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
538 pango_layout_set_text(print_data->layout, print_data->text, -1);
540 printing_layout_set_text_attributes(print_data, context);
542 num_lines = pango_layout_get_line_count(print_data->layout);
549 iter = pango_layout_get_iter(print_data->layout);
551 PangoRectangle logical_rect;
552 PangoLayoutLine *line;
553 PangoAttrShape *attr = NULL;
557 line = pango_layout_iter_get_line(iter);
559 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
560 baseline = pango_layout_iter_get_baseline(iter);
562 if ((attr = g_hash_table_lookup(print_data->images, GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
563 line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
565 line_height = ((double)logical_rect.height) / PANGO_SCALE;
568 if((page_height + line_height) > height) {
569 page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
573 page_height += line_height;
575 } while(ii < num_lines && pango_layout_iter_next_line(iter));
576 pango_layout_iter_free(iter);
578 page_breaks = g_list_reverse(page_breaks);
579 print_data->npages = g_list_length(page_breaks) + 1;
580 print_data->page_breaks = page_breaks;
582 gtk_print_operation_set_n_pages(op, print_data->npages);
584 debug_print("Starting print job...\n");
587 static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
589 cairo_surface_t *surface;
590 cairo_format_t format;
591 static const cairo_user_data_key_t key;
592 guchar *pixels = g_malloc(
594 gdk_pixbuf_get_width(pixbuf)*
595 gdk_pixbuf_get_height(pixbuf));
596 guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
597 gint width = gdk_pixbuf_get_width(pixbuf);
598 gint height = gdk_pixbuf_get_height(pixbuf);
599 gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
600 gint stride = gdk_pixbuf_get_rowstride (pixbuf);
604 format = CAIRO_FORMAT_RGB24;
606 format = CAIRO_FORMAT_ARGB32;
607 surface = cairo_image_surface_create_for_data (pixels,
608 format, width, height, 4*width);
609 cairo_surface_set_user_data (surface, &key,
610 pixels, (cairo_destroy_func_t)g_free);
612 for (j = height; j; j--) {
613 guchar *p = src_pixels;
617 guchar *end = p + 3 * width;
620 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
633 guchar *end = p + 4 * width;
636 #define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
639 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
640 MULT(q[0], p[2], p[3], t1);
641 MULT(q[1], p[1], p[3], t2);
642 MULT(q[2], p[0], p[3], t3);
646 MULT(q[1], p[0], p[3], t1);
647 MULT(q[2], p[1], p[3], t2);
648 MULT(q[3], p[2], p[3], t3);
658 src_pixels += stride;
665 static void cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
666 int page_nr, gpointer user_data)
669 PrintData *print_data;
672 PangoLayoutIter *iter;
674 gboolean notlast = TRUE;
676 print_data = (PrintData*) user_data;
681 pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
682 start = GPOINTER_TO_INT(pagebreak->data);
685 pagebreak = g_list_nth(print_data->page_breaks, page_nr);
686 if(pagebreak == NULL)
687 end = pango_layout_get_line_count(print_data->layout);
689 end = GPOINTER_TO_INT(pagebreak->data);
691 cr = gtk_print_context_get_cairo_context(context);
692 if (print_data->is_preview) {
693 cairo_set_source_rgb(cr, 1., 1., 1.);
696 cairo_set_source_rgb(cr, 0., 0., 0.);
700 iter = pango_layout_get_iter(print_data->layout);
702 PangoRectangle logical_rect;
703 PangoLayoutLine *line;
704 PangoAttrShape *attr = NULL;
708 line = pango_layout_iter_get_line(iter);
710 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
711 baseline = pango_layout_iter_get_baseline(iter);
714 start_pos = ((double)logical_rect.y) / PANGO_SCALE;
717 ((double)logical_rect.x) / PANGO_SCALE,
718 ((double)baseline) / PANGO_SCALE - start_pos);
720 if ((attr = g_hash_table_lookup(print_data->images, GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
721 cairo_surface_t *surface;
723 surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
724 cairo_set_source_surface (cr, surface,
725 ((double)logical_rect.x) / PANGO_SCALE,
726 ((double)baseline) / PANGO_SCALE - start_pos);
728 cairo_surface_destroy (surface);
730 pango_cairo_show_layout_line(cr, line);
734 } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
735 pango_layout_iter_free(iter);
736 debug_print("Sent page %d to printer\n", page_nr+1);
739 static void printing_layout_set_text_attributes(PrintData *print_data, GtkPrintContext *context)
742 PangoAttrList *attr_list;
743 PangoAttribute *attr;
744 GSList *open_attrs, *attr_walk;
746 attr_list = pango_attr_list_new();
747 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
748 gtk_text_buffer_get_start_iter(print_data->buffer, &iter);
750 gtk_text_buffer_get_iter_at_offset(print_data->buffer, &iter, print_data->sel_start);
755 gboolean fg_set, bg_set, under_set, strike_set;
756 GSList *tags, *tag_walk;
759 PangoUnderline underline;
760 gboolean strikethrough;
763 if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
764 PangoRectangle rect = {0, 0, 0, 0};
765 gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
766 gint h = gdk_pixbuf_get_height(image);
767 gint w = gdk_pixbuf_get_width(image);
768 gint a_h = gtk_print_context_get_height(context);
769 gint a_w = gtk_print_context_get_width(context);
771 GdkPixbuf *scaled = NULL;
772 image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
775 rect.width = r_w * PANGO_SCALE;
776 rect.height = r_h * PANGO_SCALE;
778 scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
779 attr = pango_attr_shape_new_with_data (&rect, &rect,
781 attr->start_index = startpos;
782 attr->end_index = startpos+1;
783 pango_attr_list_insert(attr_list, attr);
784 g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
785 print_data->img_cnt++;
788 if(gtk_text_iter_ends_tag(&iter, NULL)) {
789 PangoAttrColor *attr_color;
790 PangoAttrInt *attr_int;
792 tags = gtk_text_iter_get_toggled_tags(&iter, FALSE);
793 for(tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
796 tag = GTK_TEXT_TAG(tag_walk->data);
797 g_object_get(G_OBJECT(tag),
798 "background-set", &bg_set,
799 "foreground-set", &fg_set,
800 "underline-set",&under_set,
801 "strikethrough-set", &strike_set,
806 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
807 attr = (PangoAttribute*)attr_walk->data;
808 if(attr->klass->type == PANGO_ATTR_FOREGROUND) {
809 attr_color = (PangoAttrColor*) attr;
810 g_object_get(G_OBJECT(tag), "foreground_gdk", &color, NULL);
811 if(printing_is_pango_gdk_color_equal(&(attr_color->color), color)) {
812 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
813 pango_attr_list_insert(attr_list, attr);
815 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
821 debug_print("Error generating attribute list.\n");
826 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
827 attr = (PangoAttribute*)attr_walk->data;
828 if(attr->klass->type == PANGO_ATTR_BACKGROUND) {
829 attr_color = (PangoAttrColor*) attr;
830 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
831 if(printing_is_pango_gdk_color_equal(&(attr_color->color), color)) {
832 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
833 pango_attr_list_insert(attr_list, attr);
835 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
841 debug_print("Error generating attribute list.\n");
846 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
847 attr = (PangoAttribute*)attr_walk->data;
848 if(attr->klass->type == PANGO_ATTR_UNDERLINE) {
849 attr_int = (PangoAttrInt*)attr;
850 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
851 if(attr_int->value == underline) {
852 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
853 pango_attr_list_insert(attr_list, attr);
855 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
861 debug_print("Error generating attribute list.\n");
866 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
867 attr = (PangoAttribute*)attr_walk->data;
868 if(attr->klass->type == PANGO_ATTR_STRIKETHROUGH) {
869 attr_int = (PangoAttrInt*)attr;
870 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
871 if(attr_int->value == strikethrough) {
872 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
873 pango_attr_list_insert(attr_list, attr);
875 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
881 debug_print("Error generating attribute list.\n");
888 if(gtk_text_iter_begins_tag(&iter, NULL)) {
889 tags = gtk_text_iter_get_toggled_tags(&iter, TRUE);
890 for(tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
891 tag = GTK_TEXT_TAG(tag_walk->data);
892 g_object_get(G_OBJECT(tag),
893 "background-set", &bg_set,
894 "foreground-set", &fg_set,
895 "underline-set", &under_set,
896 "strikethrough-set", &strike_set,
899 g_object_get(G_OBJECT(tag), "foreground-gdk", &color, NULL);
900 attr = pango_attr_foreground_new(color->red,color->green,color->blue);
901 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
902 open_attrs = g_slist_prepend(open_attrs, attr);
905 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
906 attr = pango_attr_background_new(color->red,color->green,color->blue);
907 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
908 open_attrs = g_slist_prepend(open_attrs, attr);
911 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
912 attr = pango_attr_underline_new(underline);
913 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
914 open_attrs = g_slist_prepend(open_attrs, attr);
917 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
918 attr = pango_attr_strikethrough_new(strikethrough);
919 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
920 open_attrs = g_slist_prepend(open_attrs, attr);
926 } while(!gtk_text_iter_is_end(&iter) && gtk_text_iter_forward_to_tag_toggle(&iter, NULL));
928 /* close all open attributes */
929 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
930 attr = (PangoAttribute*) attr_walk->data;
931 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
932 pango_attr_list_insert(attr_list, attr);
934 g_slist_free(open_attrs);
936 pango_layout_set_attributes(print_data->layout, attr_list);
937 pango_attr_list_unref(attr_list);
940 static gboolean printing_is_pango_gdk_color_equal(PangoColor *p, GdkColor *g)
942 return ((p->red == g->red) && (p->green == g->green) && (p->blue == g->blue));
945 /* Pango has it's attribute in bytes, but GtkTextIter gets only an offset
946 * in characters, so here we're returning an offset in bytes.
948 static gint printing_text_iter_get_offset_bytes(PrintData *print_data, const GtkTextIter *iter)
955 off_chars = gtk_text_iter_get_offset(iter);
956 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
957 gtk_text_buffer_get_start_iter(gtk_text_iter_get_buffer(iter), &start);
959 gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
961 text = gtk_text_iter_get_text(&start, iter);
962 off_bytes = strlen(text);
967 #endif /* GTK+ >= 2.10.0 */