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;
53 GtkPrintOperation *op;
54 GtkPrintOperationPreview *preview;
56 PrintData *print_data;
57 GtkWidget *page_nr_label;
58 GList *pages_to_print;
71 static void cb_begin_print(GtkPrintOperation*, GtkPrintContext*, gpointer);
72 static void cb_draw_page(GtkPrintOperation*, GtkPrintContext*, gint,
74 static gboolean cb_preview(GtkPrintOperation*, GtkPrintOperationPreview*,
75 GtkPrintContext*, GtkWindow*, gpointer);
76 static void cb_preview_destroy(GtkWindow*, gpointer);
77 static gboolean cb_preview_close(GtkWidget*, GdkEventAny*, gpointer);
78 static void cb_preview_size_allocate(GtkWidget*, GtkAllocation*);
79 static void cb_preview_ready(GtkPrintOperationPreview*,
80 GtkPrintContext*, gpointer);
81 static gboolean cb_preview_expose(GtkWidget*, GdkEventExpose*, gpointer);
82 static void cb_preview_got_page_size(GtkPrintOperationPreview*,
84 GtkPageSetup*, gpointer);
85 static void cb_preview_go_first(GtkButton*, gpointer);
86 static void cb_preview_go_previous(GtkButton*, gpointer);
87 static void cb_preview_go_next(GtkButton*, gpointer);
88 static void cb_preview_go_last(GtkButton*, gpointer);
91 static GtkPrintSettings *settings = NULL;
92 static GtkPageSetup *page_setup = NULL;
94 /* other static functions */
95 static void printing_layout_set_text_attributes(PrintData*, GtkPrintContext *);
96 static gboolean printing_is_pango_gdk_color_equal(PangoColor*, GdkColor*);
97 static gint printing_text_iter_get_offset_bytes(PrintData *, const GtkTextIter*);
99 #define PREVIEW_SCALE 72
100 #define PREVIEW_SHADOW_OFFSET 3
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;
254 preview_data = g_new0(PreviewData,1);
255 preview_data->print_data = print_data;
256 preview_data->op = g_object_ref(operation);
257 preview_data->preview = preview;
260 dialog = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "print_preview");
261 if(!geometry.min_height) {
262 geometry.min_width = 600;
263 geometry.min_height = 400;
265 gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
267 gtk_widget_set_size_request(dialog, prefs_common.print_previewwin_width,
268 prefs_common.print_previewwin_height);
269 gtk_window_set_title(GTK_WINDOW(dialog), _("Print preview"));
272 vbox = gtk_vbox_new(FALSE, 0);
273 gtk_container_add(GTK_CONTAINER(dialog), vbox);
276 hbox = gtk_hbox_new (FALSE, 0);
277 gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
278 preview_data->first = gtk_button_new_from_stock(GTK_STOCK_GOTO_FIRST);
279 gtk_box_pack_start(GTK_BOX(hbox), preview_data->first, FALSE, FALSE, 0);
280 preview_data->previous = gtk_button_new_from_stock(GTK_STOCK_GO_BACK);
281 gtk_box_pack_start(GTK_BOX(hbox), preview_data->previous, FALSE, FALSE, 0);
282 page = gtk_label_new("");
283 gtk_widget_set_size_request(page, 100, -1);
284 preview_data->page_nr_label = page;
285 gtk_box_pack_start(GTK_BOX(hbox), page, FALSE, FALSE, 0);
286 preview_data->next = gtk_button_new_from_stock(GTK_STOCK_GO_FORWARD);
287 gtk_box_pack_start(GTK_BOX(hbox), preview_data->next, FALSE, FALSE, 0);
288 preview_data->last = gtk_button_new_from_stock(GTK_STOCK_GOTO_LAST);
289 gtk_box_pack_start(GTK_BOX(hbox), preview_data->last, FALSE, FALSE, 0);
290 preview_data->close = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
291 gtk_box_pack_end(GTK_BOX(hbox), preview_data->close, FALSE, FALSE, 0);
294 scrolled_window = gtk_scrolled_window_new(NULL, NULL);
295 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
296 GTK_POLICY_AUTOMATIC,
297 GTK_POLICY_AUTOMATIC);
298 gtk_box_pack_start(GTK_BOX(vbox), scrolled_window, TRUE, TRUE, 0);
299 da = gtk_drawing_area_new();
300 gtk_widget_set_double_buffered(da, FALSE);
301 gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scrolled_window),
303 gtk_widget_realize(da);
304 preview_data->area = da;
307 cr = gdk_cairo_create(da->window);
308 gtk_print_context_set_cairo_context(context, cr, PREVIEW_SCALE, PREVIEW_SCALE);
312 g_signal_connect(dialog, "key_press_event",
313 G_CALLBACK(cb_preview_close), preview_data);
314 g_signal_connect(dialog, "size_allocate",
315 G_CALLBACK(cb_preview_size_allocate), NULL);
316 g_signal_connect(dialog, "destroy",G_CALLBACK(cb_preview_destroy),
318 g_signal_connect_swapped(preview_data->close, "clicked",
319 G_CALLBACK(gtk_widget_destroy), dialog);
320 g_signal_connect(preview_data->first, "clicked",
321 G_CALLBACK(cb_preview_go_first), preview_data);
322 g_signal_connect(preview_data->previous, "clicked",
323 G_CALLBACK(cb_preview_go_previous), preview_data);
324 g_signal_connect(preview_data->next, "clicked",
325 G_CALLBACK(cb_preview_go_next), preview_data);
326 g_signal_connect(preview_data->last, "clicked",
327 G_CALLBACK(cb_preview_go_last), preview_data);
328 g_signal_connect(preview, "ready", G_CALLBACK(cb_preview_ready),
330 g_signal_connect(preview, "got-page-size",
331 G_CALLBACK(cb_preview_got_page_size), preview_data);
332 gtk_widget_show_all(dialog);
336 static void cb_preview_destroy(GtkWindow *window, gpointer data)
338 PreviewData *preview_data;
339 preview_data = (PreviewData*) data;
341 if (preview_data->rendering)
343 debug_print("Preview window destroyed\n");
345 gtk_print_operation_preview_end_preview(preview_data->preview);
346 g_object_unref(preview_data->op);
347 g_list_free(preview_data->pages_to_print);
349 g_free(preview_data);
352 static gboolean cb_preview_close(GtkWidget *widget, GdkEventAny *event,
355 PreviewData *preview_data = (PreviewData *)data;
356 if(event->type == GDK_KEY_PRESS)
357 if(((GdkEventKey *)event)->keyval != GDK_Escape)
359 if (preview_data->rendering)
361 gtk_widget_destroy(widget);
365 static void cb_preview_size_allocate(GtkWidget *widget,
366 GtkAllocation *allocation)
368 g_return_if_fail(allocation != NULL);
370 prefs_common.print_previewwin_width = allocation->width;
371 prefs_common.print_previewwin_height = allocation->height;
374 static void cb_preview_ready(GtkPrintOperationPreview *preview,
375 GtkPrintContext *context,
378 PreviewData *preview_data;
380 preview_data = (PreviewData*) data;
381 debug_print("preview_ready %d\n", preview_data->print_data->npages);
383 for(iPage = 0; iPage < (preview_data->print_data->npages); iPage++) {
384 if(gtk_print_operation_preview_is_selected(preview_data->preview, iPage)) {
385 preview_data->pages_to_print =
386 g_list_prepend(preview_data->pages_to_print, GINT_TO_POINTER(iPage));
387 debug_print("want to print page %d\n",iPage+1);
391 preview_data->pages_to_print = g_list_reverse(preview_data->pages_to_print);
392 preview_data->current_page = preview_data->pages_to_print;
394 g_signal_connect(preview_data->area, "expose_event",
395 G_CALLBACK(cb_preview_expose),
398 gtk_widget_queue_draw(preview_data->area);
401 static void cb_preview_got_page_size(GtkPrintOperationPreview *preview,
402 GtkPrintContext *context,
403 GtkPageSetup *page_setup,
406 PreviewData *preview_data;
407 GtkPageOrientation orientation;
408 GtkPaperSize *paper_size;
412 preview_data = (PreviewData*) data;
413 debug_print("got_page_size\n");
414 orientation = gtk_page_setup_get_orientation(page_setup);
415 paper_size = gtk_page_setup_get_paper_size(page_setup);
416 paper_width = (gint)(gtk_paper_size_get_width(paper_size, GTK_UNIT_INCH)
418 paper_height = (gint)(gtk_paper_size_get_height(paper_size, GTK_UNIT_INCH)
421 preview_data->page_width = paper_width;
422 preview_data->page_height = paper_height;
424 debug_print("w/h %d/%d\n", paper_width, paper_height);
425 gtk_widget_set_size_request(GTK_WIDGET(preview_data->area),
426 paper_width, paper_height);
429 static gboolean cb_preview_expose(GtkWidget *widget, GdkEventExpose *event,
432 PreviewData *preview_data = data;
438 debug_print("preview_expose (current %p)\n", preview_data->current_page);
439 gdk_window_clear(preview_data->area->window);
451 gc = gdk_gc_new(GDK_DRAWABLE(preview_data->area->window));
454 gdk_gc_set_rgb_fg_color(gc, &gray);
455 gdk_draw_rectangle(preview_data->area->window, gc, TRUE, 0, 0,
456 preview_data->area->allocation.width,
457 preview_data->area->allocation.height);
460 gdk_gc_set_rgb_fg_color(gc, &black);
461 gdk_draw_rectangle(preview_data->area->window, gc, TRUE,
462 PREVIEW_SHADOW_OFFSET, PREVIEW_SHADOW_OFFSET,
463 preview_data->page_width+PREVIEW_SHADOW_OFFSET,
464 preview_data->page_height+PREVIEW_SHADOW_OFFSET);
467 gdk_gc_set_rgb_fg_color(gc, &white);
468 gdk_draw_rectangle(preview_data->area->window, gc, TRUE, 0, 0,
469 preview_data->page_width,
470 preview_data->page_height);
474 if(preview_data->current_page) {
475 preview_data->rendering = TRUE;
476 gtk_widget_set_sensitive(preview_data->close, FALSE);
477 int cur = GPOINTER_TO_INT(preview_data->current_page->data);
479 str = g_strdup_printf(_("Page %d"), cur+1);
480 gtk_label_set_text(GTK_LABEL(preview_data->page_nr_label), str);
482 gtk_print_operation_preview_render_page(preview_data->preview,
484 (preview_data->current_page->data));
486 gtk_widget_set_sensitive(preview_data->first, preview_data->current_page->prev != NULL);
487 gtk_widget_set_sensitive(preview_data->previous, preview_data->current_page->prev != NULL);
488 gtk_widget_set_sensitive(preview_data->next, preview_data->current_page->next != NULL);
489 gtk_widget_set_sensitive(preview_data->last, preview_data->current_page->next != NULL);
490 gtk_widget_set_sensitive(preview_data->close, TRUE);
491 preview_data->rendering = FALSE;
497 static void cb_preview_go_first(GtkButton *button, gpointer data)
499 PreviewData *preview_data = (PreviewData*) data;
500 preview_data->current_page = preview_data->pages_to_print;
501 gtk_widget_queue_draw(preview_data->area);
504 static void cb_preview_go_previous(GtkButton *button, gpointer data)
507 PreviewData *preview_data = (PreviewData*) data;
508 next = g_list_previous(preview_data->current_page);
510 preview_data->current_page = next;
511 gtk_widget_queue_draw(preview_data->area);
514 static void cb_preview_go_next(GtkButton *button, gpointer data)
517 PreviewData *preview_data = (PreviewData*) data;
518 next = g_list_next(preview_data->current_page);
520 preview_data->current_page = next;
521 gtk_widget_queue_draw(preview_data->area);
524 static void cb_preview_go_last(GtkButton *button, gpointer data)
526 PreviewData *preview_data = (PreviewData*) data;
527 preview_data->current_page = g_list_last(preview_data->current_page);
528 gtk_widget_queue_draw(preview_data->area);
531 static void cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
534 double width, height;
538 PrintData *print_data;
539 PangoFontDescription *desc;
541 PangoLayoutIter *iter;
543 double line_height =0.;
545 print_data = (PrintData*) user_data;
547 debug_print("Preparing print job...\n");
549 width = gtk_print_context_get_width(context);
550 height = gtk_print_context_get_height(context);
552 if (print_data->layout == NULL)
553 print_data->layout = gtk_print_context_create_pango_layout(context);
555 if(prefs_common.use_different_print_font)
556 desc = pango_font_description_from_string(prefs_common.printfont);
558 desc = pango_font_description_copy(
559 pango_context_get_font_description(print_data->pango_context));
561 pango_layout_set_font_description(print_data->layout, desc);
562 pango_font_description_free(desc);
564 pango_layout_set_width(print_data->layout, width * PANGO_SCALE);
565 pango_layout_set_text(print_data->layout, print_data->text, -1);
567 printing_layout_set_text_attributes(print_data, context);
569 num_lines = pango_layout_get_line_count(print_data->layout);
576 iter = pango_layout_get_iter(print_data->layout);
578 PangoRectangle logical_rect;
579 PangoLayoutLine *line;
580 PangoAttrShape *attr = NULL;
584 line = pango_layout_iter_get_line(iter);
586 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
587 baseline = pango_layout_iter_get_baseline(iter);
589 if ((attr = g_hash_table_lookup(print_data->images, GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
590 line_height = (double)gdk_pixbuf_get_height(GDK_PIXBUF(attr->data));
592 line_height = ((double)logical_rect.height) / PANGO_SCALE;
595 if((page_height + line_height) > height) {
596 page_breaks = g_list_prepend(page_breaks, GINT_TO_POINTER(ii));
600 page_height += line_height;
602 } while(ii < num_lines && pango_layout_iter_next_line(iter));
603 pango_layout_iter_free(iter);
605 page_breaks = g_list_reverse(page_breaks);
606 print_data->npages = g_list_length(page_breaks) + 1;
607 print_data->page_breaks = page_breaks;
609 gtk_print_operation_set_n_pages(op, print_data->npages);
611 debug_print("Starting print job...\n");
614 static cairo_surface_t *pixbuf_to_surface(GdkPixbuf *pixbuf)
616 cairo_surface_t *surface;
617 cairo_format_t format;
618 static const cairo_user_data_key_t key;
619 guchar *pixels = g_malloc(
621 gdk_pixbuf_get_width(pixbuf)*
622 gdk_pixbuf_get_height(pixbuf));
623 guchar *src_pixels = gdk_pixbuf_get_pixels (pixbuf);
624 gint width = gdk_pixbuf_get_width(pixbuf);
625 gint height = gdk_pixbuf_get_height(pixbuf);
626 gint nchans = gdk_pixbuf_get_n_channels (pixbuf);
627 gint stride = gdk_pixbuf_get_rowstride (pixbuf);
631 format = CAIRO_FORMAT_RGB24;
633 format = CAIRO_FORMAT_ARGB32;
634 surface = cairo_image_surface_create_for_data (pixels,
635 format, width, height, 4*width);
636 cairo_surface_set_user_data (surface, &key,
637 pixels, (cairo_destroy_func_t)g_free);
639 for (j = height; j; j--) {
640 guchar *p = src_pixels;
644 guchar *end = p + 3 * width;
647 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
660 guchar *end = p + 4 * width;
663 #define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
666 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
667 MULT(q[0], p[2], p[3], t1);
668 MULT(q[1], p[1], p[3], t2);
669 MULT(q[2], p[0], p[3], t3);
673 MULT(q[1], p[0], p[3], t1);
674 MULT(q[2], p[1], p[3], t2);
675 MULT(q[3], p[2], p[3], t3);
685 src_pixels += stride;
692 static void cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
693 int page_nr, gpointer user_data)
696 PrintData *print_data;
699 PangoLayoutIter *iter;
701 gboolean notlast = TRUE;
703 print_data = (PrintData*) user_data;
708 pagebreak = g_list_nth(print_data->page_breaks, page_nr - 1);
709 start = GPOINTER_TO_INT(pagebreak->data);
712 pagebreak = g_list_nth(print_data->page_breaks, page_nr);
713 if(pagebreak == NULL)
714 end = pango_layout_get_line_count(print_data->layout);
716 end = GPOINTER_TO_INT(pagebreak->data);
718 cr = gtk_print_context_get_cairo_context(context);
719 cairo_set_source_rgb(cr, 0., 0., 0.);
723 iter = pango_layout_get_iter(print_data->layout);
725 PangoRectangle logical_rect;
726 PangoLayoutLine *line;
727 PangoAttrShape *attr = NULL;
731 line = pango_layout_iter_get_line(iter);
733 pango_layout_iter_get_line_extents(iter, NULL, &logical_rect);
734 baseline = pango_layout_iter_get_baseline(iter);
737 start_pos = ((double)logical_rect.y) / PANGO_SCALE;
740 ((double)logical_rect.x) / PANGO_SCALE,
741 ((double)baseline) / PANGO_SCALE - start_pos);
743 if ((attr = g_hash_table_lookup(print_data->images, GINT_TO_POINTER(pango_layout_iter_get_index(iter)))) != NULL) {
744 cairo_surface_t *surface;
746 surface = pixbuf_to_surface(GDK_PIXBUF(attr->data));
747 cairo_set_source_surface (cr, surface,
748 ((double)logical_rect.x) / PANGO_SCALE,
749 ((double)baseline) / PANGO_SCALE - start_pos);
751 cairo_surface_destroy (surface);
753 pango_cairo_show_layout_line(cr, line);
757 } while(ii < end && (notlast = pango_layout_iter_next_line(iter)));
758 pango_layout_iter_free(iter);
759 debug_print("Sent page %d to printer\n", page_nr+1);
762 static void printing_layout_set_text_attributes(PrintData *print_data, GtkPrintContext *context)
765 PangoAttrList *attr_list;
766 PangoAttribute *attr;
767 GSList *open_attrs, *attr_walk;
769 attr_list = pango_attr_list_new();
770 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
771 gtk_text_buffer_get_start_iter(print_data->buffer, &iter);
773 gtk_text_buffer_get_iter_at_offset(print_data->buffer, &iter, print_data->sel_start);
778 gboolean fg_set, bg_set, under_set, strike_set;
779 GSList *tags, *tag_walk;
782 PangoUnderline underline;
783 gboolean strikethrough;
786 if (prefs_common.print_imgs && (image = gtk_text_iter_get_pixbuf(&iter)) != NULL) {
787 PangoRectangle rect = {0, 0, 0, 0};
788 gint startpos = printing_text_iter_get_offset_bytes(print_data, &iter);
789 gint h = gdk_pixbuf_get_height(image);
790 gint w = gdk_pixbuf_get_width(image);
791 gint a_h = gtk_print_context_get_height(context);
792 gint a_w = gtk_print_context_get_width(context);
794 GdkPixbuf *scaled = NULL;
795 image_viewer_get_resized_size(w, h, a_w, a_h, &r_w, &r_h);
798 rect.width = r_w * PANGO_SCALE;
799 rect.height = r_h * PANGO_SCALE;
801 scaled = gdk_pixbuf_scale_simple(image, r_w, r_h, GDK_INTERP_BILINEAR);
802 attr = pango_attr_shape_new_with_data (&rect, &rect,
804 attr->start_index = startpos;
805 attr->end_index = startpos+1;
806 pango_attr_list_insert(attr_list, attr);
807 g_hash_table_insert(print_data->images, GINT_TO_POINTER(startpos), attr);
808 print_data->img_cnt++;
811 if(gtk_text_iter_ends_tag(&iter, NULL)) {
812 PangoAttrColor *attr_color;
813 PangoAttrInt *attr_int;
815 tags = gtk_text_iter_get_toggled_tags(&iter, FALSE);
816 for(tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
819 tag = GTK_TEXT_TAG(tag_walk->data);
820 g_object_get(G_OBJECT(tag),
821 "background-set", &bg_set,
822 "foreground-set", &fg_set,
823 "underline-set",&under_set,
824 "strikethrough-set", &strike_set,
829 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
830 attr = (PangoAttribute*)attr_walk->data;
831 if(attr->klass->type == PANGO_ATTR_FOREGROUND) {
832 attr_color = (PangoAttrColor*) attr;
833 g_object_get(G_OBJECT(tag), "foreground_gdk", &color, NULL);
834 if(printing_is_pango_gdk_color_equal(&(attr_color->color), color)) {
835 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
836 pango_attr_list_insert(attr_list, attr);
838 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
842 gdk_color_free(color);
846 debug_print("Error generating attribute list.\n");
851 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
852 attr = (PangoAttribute*)attr_walk->data;
853 if(attr->klass->type == PANGO_ATTR_BACKGROUND) {
854 attr_color = (PangoAttrColor*) attr;
855 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
856 if(printing_is_pango_gdk_color_equal(&(attr_color->color), color)) {
857 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
858 pango_attr_list_insert(attr_list, attr);
860 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
864 gdk_color_free(color);
868 debug_print("Error generating attribute list.\n");
873 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
874 attr = (PangoAttribute*)attr_walk->data;
875 if(attr->klass->type == PANGO_ATTR_UNDERLINE) {
876 attr_int = (PangoAttrInt*)attr;
877 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
878 if(attr_int->value == underline) {
879 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
880 pango_attr_list_insert(attr_list, attr);
882 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
888 debug_print("Error generating attribute list.\n");
893 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
894 attr = (PangoAttribute*)attr_walk->data;
895 if(attr->klass->type == PANGO_ATTR_STRIKETHROUGH) {
896 attr_int = (PangoAttrInt*)attr;
897 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
898 if(attr_int->value == strikethrough) {
899 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
900 pango_attr_list_insert(attr_list, attr);
902 open_attrs = g_slist_delete_link(open_attrs, attr_walk);
908 debug_print("Error generating attribute list.\n");
915 if(gtk_text_iter_begins_tag(&iter, NULL)) {
916 tags = gtk_text_iter_get_toggled_tags(&iter, TRUE);
917 for(tag_walk = tags; tag_walk != NULL; tag_walk = tag_walk->next) {
918 tag = GTK_TEXT_TAG(tag_walk->data);
919 g_object_get(G_OBJECT(tag),
920 "background-set", &bg_set,
921 "foreground-set", &fg_set,
922 "underline-set", &under_set,
923 "strikethrough-set", &strike_set,
926 g_object_get(G_OBJECT(tag), "foreground-gdk", &color, NULL);
927 attr = pango_attr_foreground_new(color->red,color->green,color->blue);
928 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
929 open_attrs = g_slist_prepend(open_attrs, attr);
932 g_object_get(G_OBJECT(tag), "background-gdk", &color, NULL);
933 attr = pango_attr_background_new(color->red,color->green,color->blue);
934 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
935 open_attrs = g_slist_prepend(open_attrs, attr);
938 g_object_get(G_OBJECT(tag), "underline", &underline, NULL);
939 attr = pango_attr_underline_new(underline);
940 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
941 open_attrs = g_slist_prepend(open_attrs, attr);
944 g_object_get(G_OBJECT(tag), "strikethrough", &strikethrough, NULL);
945 attr = pango_attr_strikethrough_new(strikethrough);
946 attr->start_index = printing_text_iter_get_offset_bytes(print_data, &iter);
947 open_attrs = g_slist_prepend(open_attrs, attr);
953 } while(!gtk_text_iter_is_end(&iter) && gtk_text_iter_forward_to_tag_toggle(&iter, NULL));
955 /* close all open attributes */
956 for(attr_walk = open_attrs; attr_walk != NULL; attr_walk = attr_walk->next) {
957 attr = (PangoAttribute*) attr_walk->data;
958 attr->end_index = printing_text_iter_get_offset_bytes(print_data, &iter);
959 pango_attr_list_insert(attr_list, attr);
961 g_slist_free(open_attrs);
963 pango_layout_set_attributes(print_data->layout, attr_list);
964 pango_attr_list_unref(attr_list);
967 static gboolean printing_is_pango_gdk_color_equal(PangoColor *p, GdkColor *g)
969 return ((p->red == g->red) && (p->green == g->green) && (p->blue == g->blue));
972 /* Pango has it's attribute in bytes, but GtkTextIter gets only an offset
973 * in characters, so here we're returning an offset in bytes.
975 static gint printing_text_iter_get_offset_bytes(PrintData *print_data, const GtkTextIter *iter)
982 off_chars = gtk_text_iter_get_offset(iter);
983 if (print_data->sel_start < 0 || print_data->sel_end <= print_data->sel_start) {
984 gtk_text_buffer_get_start_iter(gtk_text_iter_get_buffer(iter), &start);
986 gtk_text_buffer_get_iter_at_offset(gtk_text_iter_get_buffer(iter), &start, print_data->sel_start);
988 text = gtk_text_iter_get_text(&start, iter);
989 off_bytes = strlen(text);
994 #endif /* GTK+ >= 2.10.0 */