char*
pdf_page_get_text(zathura_page_t* page, PopplerPage* poppler_page,
zathura_rectangle_t rectangle, zathura_error_t* error)
{
if (page == NULL || poppler_page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_INVALID_ARGUMENTS;
}
return NULL;
}
PopplerRectangle rect;
rect.x1 = rectangle.x1;
rect.x2 = rectangle.x2;
#if !POPPLER_CHECK_VERSION(0,15,0)
/* adapt y coordinates */
rect.y1 = zathura_page_get_height(page) - rectangle.y1;
rect.y2 = zathura_page_get_height(page) - rectangle.y2;
#else
rect.y1 = rectangle.y1;
rect.y2 = rectangle.y2;
#endif
/* get selected text */
return poppler_page_get_selected_text(poppler_page, POPPLER_SELECTION_GLYPH, &rect);
}
zathura_rectangle_t
recalc_rectangle(zathura_page_t* page, zathura_rectangle_t rectangle)
{
if (page == NULL) {
goto error_ret;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
goto error_ret;
}
double page_height = zathura_page_get_height(page);
double page_width = zathura_page_get_width(page);
double scale = zathura_document_get_scale(document);
zathura_rectangle_t tmp = rotate_rectangle(rectangle, zathura_document_get_rotation(document), page_height, page_width);
tmp.x1 *= scale;
tmp.x2 *= scale;
tmp.y1 *= scale;
tmp.y2 *= scale;
return tmp;
error_ret:
return rectangle;
}
double
page_calc_height_width(zathura_page_t* page, unsigned int* page_height, unsigned int* page_width, bool rotate)
{
g_return_val_if_fail(page != NULL && page_height != NULL && page_width != NULL, 0.0);
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
return 0.0;
}
double height = zathura_page_get_height(page);
double width = zathura_page_get_width(page);
double scale = zathura_document_get_scale(document);
double real_scale;
if (rotate && zathura_document_get_rotation(document) % 180) {
*page_width = ceil(height * scale);
*page_height = ceil(width * scale);
real_scale = MAX(*page_width / height, *page_height / width);
} else {
*page_width = ceil(width * scale);
*page_height = ceil(height * scale);
real_scale = MAX(*page_width / width, *page_height / height);
}
return real_scale;
}
static bool
draw_page_image(cairo_t* cairo, GtkPrintContext* context, zathura_t* zathura,
zathura_page_t* page)
{
/* Try to render the page on a temporary image surface. */
const double width = gtk_print_context_get_width(context);
const double height = gtk_print_context_get_height(context);
const double scale_height = 5;
const double scale_width = 5;
/* Render to a surface that is 5 times larger to workaround quality issues. */
const double page_height = zathura_page_get_height(page) * scale_height;
const double page_width = zathura_page_get_width(page) * scale_width;
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, page_width, page_height);
if (surface == NULL) {
return false;
}
if (cairo_surface_status(surface) != CAIRO_STATUS_SUCCESS) {
cairo_surface_destroy(surface);
return false;
}
cairo_t* temp_cairo = cairo_create(surface);
if (cairo == NULL) {
cairo_surface_destroy(surface);
return false;
}
/* Draw a white background. */
cairo_save(temp_cairo);
cairo_set_source_rgb(temp_cairo, 1, 1, 1);
cairo_rectangle(temp_cairo, 0, 0, page_width, page_height);
cairo_fill(temp_cairo);
cairo_restore(temp_cairo);
/* Render the page to the temporary surface */
zathura_renderer_lock(zathura->sync.render_thread);
const int err = zathura_page_render(page, temp_cairo, true);
zathura_renderer_unlock(zathura->sync.render_thread);
if (err != ZATHURA_ERROR_OK) {
cairo_destroy(temp_cairo);
cairo_surface_destroy(surface);
return false;
}
/* Rescale the page and keep the aspect ratio */
const gdouble scale = MIN(width / page_width, height / page_height);
cairo_scale(cairo, scale, scale);
/* Blit temporary surface to original cairo object. */
cairo_set_source_surface(cairo, surface, 0.0, 0.0);
cairo_paint(cairo);
cairo_destroy(temp_cairo);
cairo_surface_destroy(surface);
return true;
}
void
cb_view_vadjustment_value_changed(GtkAdjustment* GIRARA_UNUSED(adjustment), gpointer data)
{
zathura_t* zathura = data;
if (zathura == NULL || zathura->document == NULL || zathura->ui.page_widget == NULL) {
return;
}
GtkAdjustment* view_vadjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
GtkAdjustment* view_hadjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(zathura->ui.session->gtk.view));
GdkRectangle view_rect;
/* get current adjustment values */
view_rect.y = 0;
view_rect.height = gtk_adjustment_get_page_size(view_vadjustment);
view_rect.x = 0;
view_rect.width = gtk_adjustment_get_page_size(view_hadjustment);
int page_padding = 1;
girara_setting_get(zathura->ui.session, "page-padding", &page_padding);
GdkRectangle center;
center.x = (view_rect.width + 1) / 2;
center.y = (view_rect.height + 1) / 2;
center.height = center.width = (2 * page_padding) + 1;
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
double scale = zathura_document_get_scale(zathura->document);
bool updated = false;
/* find page that fits */
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
GdkRectangle page_rect;
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
gtk_widget_translate_coordinates(page_widget,
zathura->ui.session->gtk.view, 0, 0, &page_rect.x, &page_rect.y);
page_rect.width = zathura_page_get_width(page) * scale;
page_rect.height = zathura_page_get_height(page) * scale;
if (gdk_rectangle_intersect(&view_rect, &page_rect, NULL) == TRUE) {
zathura_page_set_visibility(page, true);
if (zathura->global.update_page_number == true && updated == false
&& gdk_rectangle_intersect(¢er, &page_rect, NULL) == TRUE) {
zathura_document_set_current_page_number(zathura->document, page_id);
updated = true;
}
} else {
zathura_page_set_visibility(page, false);
}
zathura_page_widget_update_view_time(ZATHURA_PAGE(page_widget));
}
statusbar_page_number_update(zathura);
}
static void
cb_print_request_page_setup(GtkPrintOperation* UNUSED(print_operation),
GtkPrintContext* UNUSED(context), gint page_number,
GtkPageSetup* setup, zathura_t* zathura)
{
if (zathura == NULL || zathura->document == NULL) {
return;
}
zathura_page_t* page = zathura_document_get_page(zathura->document, page_number);
double width = zathura_page_get_width(page);
double height = zathura_page_get_height(page);
if (width > height) {
gtk_page_setup_set_orientation(setup, GTK_PAGE_ORIENTATION_LANDSCAPE);
} else {
gtk_page_setup_set_orientation(setup, GTK_PAGE_ORIENTATION_PORTRAIT);
}
}
bool
sc_scroll(girara_session_t* session, girara_argument_t* argument,
girara_event_t* UNUSED(event), unsigned int UNUSED(t))
{
g_return_val_if_fail(session != NULL, false);
g_return_val_if_fail(session->global.data != NULL, false);
zathura_t* zathura = session->global.data;
g_return_val_if_fail(argument != NULL, false);
if (zathura->document == NULL) {
return false;
}
GtkAdjustment* adjustment = NULL;
if ( (argument->n == LEFT) || (argument->n == FULL_LEFT) || (argument->n == HALF_LEFT) ||
(argument->n == RIGHT) || (argument->n == FULL_RIGHT) || (argument->n == HALF_RIGHT)) {
adjustment = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
} else {
adjustment = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(session->gtk.view));
}
gdouble view_size = gtk_adjustment_get_page_size(adjustment);
gdouble value = gtk_adjustment_get_value(adjustment);
gdouble max = gtk_adjustment_get_upper(adjustment) - view_size;
zathura->global.update_page_number = true;
float scroll_step = 40;
girara_setting_get(session, "scroll-step", &scroll_step);
float scroll_hstep = -1;
girara_setting_get(session, "scroll-hstep", &scroll_hstep);
if (scroll_hstep < 0) {
scroll_hstep = scroll_step;
}
float scroll_full_overlap = 0.0;
girara_setting_get(session, "scroll-full-overlap", &scroll_full_overlap);
bool scroll_page_aware = false;
girara_setting_get(session, "scroll-page-aware", &scroll_page_aware);
bool scroll_wrap = false;
girara_setting_get(session, "scroll-wrap", &scroll_wrap);
int padding = 1;
girara_setting_get(session, "page-padding", &padding);
gdouble new_value;
switch(argument->n) {
case FULL_UP:
case FULL_LEFT:
new_value = value - (1.0 - scroll_full_overlap) * view_size - padding;
break;
case FULL_DOWN:
case FULL_RIGHT:
new_value = value + (1.0 - scroll_full_overlap) * view_size + padding;
break;
case HALF_UP:
case HALF_LEFT:
new_value = value - ((view_size + padding) / 2);
break;
case HALF_DOWN:
case HALF_RIGHT:
new_value = value + ((view_size + padding) / 2);
break;
case LEFT:
new_value = value - scroll_hstep;
break;
case UP:
new_value = value - scroll_step;
break;
case RIGHT:
new_value = value + scroll_hstep;
break;
case DOWN:
new_value = value + scroll_step;
break;
case TOP:
new_value = 0;
break;
case BOTTOM:
new_value = max;
break;
default:
new_value = value;
}
if (scroll_wrap == true) {
if (new_value < 0)
new_value = max;
else if (new_value > max)
new_value = 0;
}
if (scroll_page_aware == true) {
int page_offset;
double page_size;
{
unsigned int page_id = zathura_document_get_current_page_number(zathura->document);
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
page_offset_t offset;
page_calculate_offset(zathura, page, &offset);
double scale = zathura_document_get_scale(zathura->document);
if ((argument->n == LEFT) || (argument->n == FULL_LEFT) || (argument->n == HALF_LEFT) ||
(argument->n == RIGHT) || (argument->n == FULL_RIGHT) || (argument->n == HALF_RIGHT)) {
page_offset = offset.x;
page_size = zathura_page_get_width(page) * scale;
} else {
page_offset = offset.y;
page_size = zathura_page_get_height(page) * scale;
}
page_offset -= padding / 2;
page_size += padding;
}
if ((argument->n == FULL_DOWN) || (argument->n == HALF_DOWN) ||
(argument->n == FULL_RIGHT) || (argument->n == HALF_RIGHT)) {
if ((page_offset > value) &&
(page_offset < value + view_size)) {
new_value = page_offset;
} else if ((page_offset <= value) &&
(page_offset + page_size < value + view_size)) {
new_value = page_offset + page_size + 1;
} else if ((page_offset <= value) &&
(page_offset + page_size < new_value + view_size)) {
new_value = page_offset + page_size - view_size + 1;
}
} else if ((argument->n == FULL_UP) || (argument->n == HALF_UP) ||
(argument->n == FULL_LEFT) || (argument->n == HALF_LEFT)) {
if ((page_offset + 1 >= value) &&
(page_offset < value + view_size)) {
new_value = page_offset - view_size;
} else if ((page_offset <= value) &&
(page_offset + page_size + 1 < value + view_size)) {
new_value = page_offset + page_size - view_size;
} else if ((page_offset <= value) &&
(page_offset > new_value)) {
new_value = page_offset;
}
}
}
set_adjustment(adjustment, new_value);
return false;
}
zathura_document_t*
zathura_document_open(zathura_plugin_manager_t* plugin_manager, const char*
path, const char* password, zathura_error_t* error)
{
if (path == NULL) {
return NULL;
}
if (g_file_test(path, G_FILE_TEST_EXISTS) == FALSE) {
girara_error("File '%s' does not exist", path);
return NULL;
}
const gchar* content_type = guess_type(path);
if (content_type == NULL) {
girara_error("Could not determine file type.");
return NULL;
}
/* determine real path */
long path_max;
#ifdef PATH_MAX
path_max = PATH_MAX;
#else
path_max = pathconf(path,_PC_PATH_MAX);
if (path_max <= 0)
path_max = 4096;
#endif
char* real_path = NULL;
zathura_document_t* document = NULL;
real_path = malloc(sizeof(char) * path_max);
if (real_path == NULL) {
g_free((void*)content_type);
return NULL;
}
if (realpath(path, real_path) == NULL) {
g_free((void*)content_type);
free(real_path);
return NULL;
}
zathura_plugin_t* plugin = zathura_plugin_manager_get_plugin(plugin_manager, content_type);
g_free((void*)content_type);
if (plugin == NULL) {
girara_error("unknown file type\n");
*error = ZATHURA_ERROR_UNKNOWN;
goto error_free;
}
document = g_malloc0(sizeof(zathura_document_t));
document->file_path = real_path;
document->basename = g_path_get_basename(real_path);
document->password = password;
document->scale = 1.0;
document->plugin = plugin;
document->adjust_mode = ZATHURA_ADJUST_NONE;
document->cell_width = 0.0;
document->cell_height = 0.0;
document->view_height = 0;
document->view_width = 0;
document->position_x = 0.0;
document->position_y = 0.0;
/* open document */
zathura_plugin_functions_t* functions = zathura_plugin_get_functions(plugin);
if (functions->document_open == NULL) {
girara_error("plugin has no open function\n");
goto error_free;
}
zathura_error_t int_error = functions->document_open(document);
if (int_error != ZATHURA_ERROR_OK) {
if (error != NULL) {
*error = int_error;
}
girara_error("could not open document\n");
goto error_free;
}
/* read all pages */
document->pages = calloc(document->number_of_pages, sizeof(zathura_page_t*));
if (document->pages == NULL) {
goto error_free;
}
for (unsigned int page_id = 0; page_id < document->number_of_pages; page_id++) {
zathura_page_t* page = zathura_page_new(document, page_id, NULL);
if (page == NULL) {
goto error_free;
}
document->pages[page_id] = page;
/* cell_width and cell_height is the maximum of all the pages width and height */
const double width = zathura_page_get_width(page);
if (document->cell_width < width)
document->cell_width = width;
const double height = zathura_page_get_height(page);
if (document->cell_height < height)
document->cell_height = height;
}
return document;
error_free:
free(real_path);
if (document != NULL && document->pages != NULL) {
for (unsigned int page_id = 0; page_id < document->number_of_pages; page_id++) {
zathura_page_free(document->pages[page_id]);
}
free(document->pages);
}
g_free(document);
return NULL;
}
zathura_image_buffer_t*
djvu_page_render(zathura_page_t* page, void* UNUSED(data), zathura_error_t* error)
{
if (page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_INVALID_ARGUMENTS;
}
return NULL;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
return NULL;
}
/* calculate sizes */
unsigned int page_width = zathura_document_get_scale(document) * zathura_page_get_width(page);
unsigned int page_height = zathura_document_get_scale(document) * zathura_page_get_height(page);
if (page_width == 0 || page_height == 0) {
if (error != NULL) {
*error = ZATHURA_ERROR_UNKNOWN;
}
goto error_out;
}
/* init ddjvu render data */
djvu_document_t* djvu_document = zathura_document_get_data(document);
ddjvu_page_t* djvu_page = ddjvu_page_create_by_pageno(
djvu_document->document, zathura_page_get_index(page));
if (djvu_page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_UNKNOWN;
}
goto error_out;
}
while (!ddjvu_page_decoding_done(djvu_page)) {
handle_messages(djvu_document, true);
}
ddjvu_rect_t rrect = { 0, 0, page_width, page_height };
ddjvu_rect_t prect = { 0, 0, page_width, page_height };
zathura_image_buffer_t* image_buffer =
zathura_image_buffer_create(page_width, page_height);
if (image_buffer == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_OUT_OF_MEMORY;
}
goto error_free;
}
/* set rotation */
ddjvu_page_set_rotation(djvu_page, DDJVU_ROTATE_0);
/* render page */
ddjvu_page_render(djvu_page, DDJVU_RENDER_COLOR, &prect, &rrect,
djvu_document->format, 3 * page_width, (char*) image_buffer->data);
return image_buffer;
error_free:
ddjvu_page_release(djvu_page);
zathura_image_buffer_free(image_buffer);
error_out:
return NULL;
}
girara_list_t*
djvu_page_links_get(zathura_page_t* page, void* UNUSED(data), zathura_error_t* error)
{
if (page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_INVALID_ARGUMENTS;
}
goto error_ret;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
goto error_ret;
}
girara_list_t* list = girara_list_new2((girara_free_function_t) zathura_link_free);
if (list == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_OUT_OF_MEMORY;
}
goto error_ret;
}
djvu_document_t* djvu_document = zathura_document_get_data(document);
miniexp_t annotations = miniexp_nil;
while ((annotations = ddjvu_document_get_pageanno(djvu_document->document,
zathura_page_get_index(page))) == miniexp_dummy) {
handle_messages(djvu_document, true);
}
if (annotations == miniexp_nil) {
goto error_free;
}
miniexp_t* hyperlinks = ddjvu_anno_get_hyperlinks(annotations);
for (miniexp_t* iter = hyperlinks; *iter != NULL; iter++) {
if (miniexp_car(*iter) != miniexp_symbol("maparea")) {
continue;
}
miniexp_t inner = miniexp_cdr(*iter);
/* extract url information */
const char* target_string = NULL;
if (miniexp_caar(inner) == miniexp_symbol("url")) {
if (exp_to_str(miniexp_caddr(miniexp_car(inner)), &target_string) == false) {
continue;
}
} else {
if (exp_to_str(miniexp_car(inner), &target_string) == false) {
continue;
}
}
/* skip comment */
inner = miniexp_cdr(inner);
/* extract link area */
inner = miniexp_cdr(inner);
zathura_rectangle_t rect = { 0, 0, 0, 0 };
if (exp_to_rect(miniexp_car(inner), &rect) == false) {
continue;
}
/* update rect */
unsigned int page_height = zathura_page_get_height(page) / ZATHURA_DJVU_SCALE;
rect.x1 = rect.x1 * ZATHURA_DJVU_SCALE;
rect.x2 = rect.x2 * ZATHURA_DJVU_SCALE;
double tmp = rect.y1;
rect.y1 = (page_height - rect.y2) * ZATHURA_DJVU_SCALE;
rect.y2 = (page_height - tmp) * ZATHURA_DJVU_SCALE;
/* create zathura link */
zathura_link_type_t type = ZATHURA_LINK_INVALID;
zathura_link_target_t target = { ZATHURA_LINK_DESTINATION_UNKNOWN, NULL, 0, -1, -1, -1, -1, 0 };;
/* goto page */
if (target_string[0] == '#' && target_string[1] == 'p') {
type = ZATHURA_LINK_GOTO_DEST;
target.page_number = atoi(target_string + 2) - 1;
/* url or other? */
} else if (strstr(target_string, "//") != NULL) {
type = ZATHURA_LINK_URI;
target.value = (char*) target_string;
/* TODO: Parse all different links */
} else {
continue;
}
zathura_link_t* link = zathura_link_new(type, rect, target);
if (link != NULL) {
girara_list_append(list, link);
}
}
return list;
error_free:
if (list != NULL) {
girara_list_free(list);
}
error_ret:
return NULL;
}
char*
djvu_page_get_text(zathura_page_t* page, void* UNUSED(data), zathura_rectangle_t
rectangle, zathura_error_t* error)
{
if (page == NULL) {
if (error != NULL) {
*error = ZATHURA_ERROR_INVALID_ARGUMENTS;
}
goto error_ret;
}
zathura_document_t* document = zathura_page_get_document(page);
if (document == NULL) {
goto error_ret;
}
djvu_document_t* djvu_document = zathura_document_get_data(document);
djvu_page_text_t* page_text = djvu_page_text_new(djvu_document, page);
if (page_text == NULL) {
goto error_ret;
}
double tmp = 0;
double page_height = zathura_page_get_height(page);
double page_width = zathura_page_get_width(page);
switch (zathura_document_get_rotation(document)) {
case 90:
tmp = rectangle.x1;
rectangle.x1 = rectangle.y1;
rectangle.y1 = tmp;
tmp = rectangle.x2;
rectangle.x2 = rectangle.y2;
rectangle.y2 = tmp;
break;
case 180:
tmp = rectangle.x1;
rectangle.x1 = (page_width - rectangle.x2);
rectangle.x2 = (page_width - tmp);
break;
case 270:
tmp = rectangle.y2;
rectangle.y2 = (page_height - rectangle.x1);
rectangle.x1 = (page_width - tmp);
tmp = rectangle.y1;
rectangle.y1 = (page_height - rectangle.x2);
rectangle.x2 = (page_width - tmp);
break;
default:
tmp = rectangle.y1;
rectangle.y1 = (page_height - rectangle.y2);
rectangle.y2 = (page_height - tmp);
break;
}
/* adjust to scale */
rectangle.x1 /= ZATHURA_DJVU_SCALE;
rectangle.x2 /= ZATHURA_DJVU_SCALE;
rectangle.y1 /= ZATHURA_DJVU_SCALE;
rectangle.y2 /= ZATHURA_DJVU_SCALE;
char* text = djvu_page_text_select(page_text, rectangle);
djvu_page_text_free(page_text);
return text;
error_ret:
if (error != NULL && *error == ZATHURA_ERROR_OK) {
*error = ZATHURA_ERROR_UNKNOWN;
}
return NULL;
}
static void
cb_print_draw_page(GtkPrintOperation* print_operation, GtkPrintContext*
context, gint page_number, zathura_t* zathura)
{
if (context == NULL || zathura == NULL || zathura->document == NULL ||
zathura->ui.session == NULL || zathura->ui.statusbar.file == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
/* Update statusbar. */
char* tmp = g_strdup_printf("Printing %d...", page_number);
girara_statusbar_item_set_text(zathura->ui.session,
zathura->ui.statusbar.file, tmp);
g_free(tmp);
/* Get the page and cairo handle. */
cairo_t* cairo = gtk_print_context_get_cairo_context(context);
zathura_page_t* page = zathura_document_get_page(zathura->document, page_number);
if (cairo == NULL || page == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
/* Try to render the page without a temporary surface. This only works with
* plugins that support rendering to any surface. */
girara_debug("printing page %d ...", page_number);
zathura_renderer_lock(zathura->sync.render_thread);
int err = zathura_page_render(page, cairo, true);
zathura_renderer_unlock(zathura->sync.render_thread);
if (err == ZATHURA_ERROR_OK) {
return;
}
/* Try to render the page on a temporary image surface. */
const gdouble width = gtk_print_context_get_width(context);
const gdouble height = gtk_print_context_get_height(context);
/* Render to a surface that is 5 times larger to workaround quality issues. */
const double page_height = zathura_page_get_height(page) * 5;
const double page_width = zathura_page_get_width(page) * 5;
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, page_width, page_height);
if (surface == NULL) {
gtk_print_operation_cancel(print_operation);
return;
}
cairo_t* temp_cairo = cairo_create(surface);
if (cairo == NULL) {
gtk_print_operation_cancel(print_operation);
cairo_surface_destroy(surface);
return;
}
/* Draw a white background. */
cairo_save(temp_cairo);
cairo_set_source_rgb(temp_cairo, 1, 1, 1);
cairo_rectangle(temp_cairo, 0, 0, page_width, page_height);
cairo_fill(temp_cairo);
cairo_restore(temp_cairo);
/* Render the page to the temporary surface */
girara_debug("printing page %d (fallback) ...", page_number);
zathura_renderer_lock(zathura->sync.render_thread);
err = zathura_page_render(page, temp_cairo, true);
zathura_renderer_unlock(zathura->sync.render_thread);
if (err != ZATHURA_ERROR_OK) {
cairo_destroy(temp_cairo);
cairo_surface_destroy(surface);
gtk_print_operation_cancel(print_operation);
return;
}
/* Rescale the page and keep the aspect ratio */
const gdouble scale = MIN(width / page_width, height / page_height);
cairo_scale(cairo, scale, scale);
/* Blit temporary surface to original cairo object. */
cairo_set_source_surface(cairo, surface, 0.0, 0.0);
cairo_paint(cairo);
cairo_destroy(temp_cairo);
cairo_surface_destroy(surface);
}
