static void
_generate_thumb(Ethumb *e)
{
Epdf_Document *document;
Epdf_Page *page;
Evas_Object *o;
const char *src_path;
int w, h, ww, hh;
int fx, fy, fw, fh;
unsigned int npages, pagenum;
ethumb_file_get(e, &src_path, NULL);
document = epdf_document_new(src_path);
if (!document)
{
fprintf(stderr, "ERROR: could not read document: %s\n", src_path);
ethumb_finished_callback_call(e, 0);
return;
}
page = epdf_page_new(document);
if (!page)
{
fprintf(stderr, "ERROR: could not read document: %s\n", src_path);
epdf_document_delete(document);
ethumb_finished_callback_call(e, 0);
return;
}
npages = epdf_document_page_count_get(document);
pagenum = ethumb_document_page_get(e);
if (pagenum < npages)
epdf_page_page_set(page, pagenum);
epdf_page_size_get(page, &w, &h);
ethumb_calculate_aspect(e, w, h, &ww, &hh);
ethumb_plugin_image_resize(e, ww, hh);
o = evas_object_image_add(ethumb_evas_get(e));
epdf_page_render(page, o);
evas_object_resize(o, ww, hh);
evas_object_move(o, 0, 0);
ethumb_calculate_fill(e, w, h, &fx, &fy, &fw, &fh);
evas_object_image_fill_set(o, fx, fy, fw, fh);
evas_object_show(o);
ethumb_image_save(e);
evas_object_del(o);
epdf_page_delete(page);
epdf_document_delete(document);
ethumb_finished_callback_call(e, 1);
}
/**
* @param pdf the pdf to set the page of
* @param page: the page number
* @return Returns no value.
* @brief Set the page of the document
*
* Sets the page of the document @p pdf to @p page
*/
void
ewl_pdf_page_set(Ewl_Pdf *pdf, int page)
{
DENTER_FUNCTION(DLEVEL_STABLE);
DCHECK_PARAM_PTR(pdf);
DCHECK_TYPE(pdf, EWL_PDF_TYPE);
if (!pdf->pdf_document ||
!pdf->pdf_page ||
(page < 0) ||
(page >= epdf_document_page_count_get(pdf->pdf_document)) ||
(page == epdf_page_page_get(pdf->pdf_page)))
DRETURN(DLEVEL_STABLE);
pdf->dirty = 1;
epdf_page_page_set(pdf->pdf_page, page);
ewl_widget_configure(EWL_WIDGET(pdf));
DLEAVE_FUNCTION(DLEVEL_STABLE);
}
int
main (int argc, char *argv[])
{
Ecore_Evas *ee;
Evas *evas;
Evas_Object *o;
Epdf_Document *document;
Epdf_Page *page;
int page_number;
int width;
int height;
if (argc < 3) {
printf ("\nUsage: %s filename page_number\n\n", argv[0]);
return EXIT_FAILURE;
}
if (!epdf_init ()) {
printf ("Epdf can't be initialized\n");
return EXIT_FAILURE;
}
document = epdf_document_new (argv[1]);
if (!document) {
printf ("Bad pdf file\n");
goto epdf_shutdown;
}
sscanf (argv[2], "%d", &page_number);
if (page_number >= epdf_document_page_count_get (document)) {
printf ("Page number exceeds the page count of the PDF document\n");
goto document_delete;
}
page = epdf_page_new (document);
if (!page) {
printf ("Bad page\n");
goto document_delete;
}
epdf_page_page_set (page, page_number);
epdf_page_size_get (page, &width, &height);
document_info_print (document, page);
if (!ecore_evas_init())
goto page_delete;
ee = ecore_evas_new ("software_x11", 0, 0, width, height, NULL);
/* these tests can be improved... */
if (!ee) {
printf ("Can not find Software X11 engine. Trying DirectDraw engine...\n");
ee = ecore_evas_software_ddraw_new (NULL, 0, 0, width, height);
if (!ee) {
printf ("Can not find DirectDraw engine...\n");
printf ("Exiting...\n");
goto ecore_evas_shutdown;
}
}
ecore_event_handler_add (ECORE_EVENT_SIGNAL_EXIT, app_signal_exit, NULL);
ecore_evas_callback_delete_request_set (ee, app_delete_request);
ecore_evas_title_set (ee, "Evas Pdf Test");
ecore_evas_name_class_set (ee, "evas_pdf_test", "test_evas_pdf");
ecore_evas_callback_resize_set (ee, app_resize);
ecore_evas_show (ee);
evas = ecore_evas_get (ee);
o = evas_object_image_add (evas);
evas_object_move (o, 0, 0);
epdf_page_render (page, o);
evas_object_show (o);
ecore_main_loop_begin ();
epdf_page_delete (page);
epdf_document_delete (document);
ecore_evas_shutdown ();
epdf_shutdown ();
return EXIT_SUCCESS;
ecore_evas_shutdown:
ecore_evas_shutdown ();
page_delete:
epdf_page_delete (page);
document_delete:
epdf_document_delete (document);
epdf_shutdown:
epdf_shutdown ();
return EXIT_FAILURE;
}
/**
* @param pdf: the pdf to change the scale
* @return 1 if the text is found, 0 otherwise.
* @brief Set the case of the search
*
* Start the search of text in the @p pdf document. The
* text to search should have been set by ewl_pdf_search_text_set().
* It is @c NULL by default. The first page from which the search
* starts is set by ewl_pdf_search_first_page_set(). It is 0 by default.
* The search can be case sensitive or not. It is set by
* ewl_pdf_search_is_case_sensitive() and it is case insensitive by
* default.
*
* Several call of that function can be done to search several occurences
* of the text in the document. When a text is found,
* epdf_page_page_set() is called.
*/
int
ewl_pdf_search_next(Ewl_Pdf *pdf)
{
DENTER_FUNCTION(DLEVEL_STABLE);
DCHECK_PARAM_PTR_RET(pdf, FALSE);
DCHECK_TYPE_RET(pdf, EWL_PDF_TYPE, FALSE);
if (!pdf->search.text)
DRETURN_INT(FALSE, DLEVEL_STABLE);
if (!pdf->search.o) {
Ewl_Embed *emb;
emb = ewl_embed_widget_find(EWL_WIDGET(pdf));
pdf->search.o = evas_object_rectangle_add(emb->canvas);
if (!pdf->search.o)
DRETURN_INT(FALSE, DLEVEL_STABLE);
evas_object_color_set(pdf->search.o, 0, 128, 0, 128);
evas_object_hide(pdf->search.o);
}
next_page:
/* no list, we search one */
while (!pdf->search.list &&
pdf->search.page < epdf_document_page_count_get(pdf->pdf_document)) {
Epdf_Page *page;
pdf->search.page++;
printf("page : %d\n", pdf->search.page);
epdf_page_page_set(pdf->pdf_page, pdf->search.page);
pdf->search.list = epdf_page_text_find(page,
pdf->search.text,
pdf->search.is_case_sensitive);
if (pdf->search.list)
ecore_list_first_goto(pdf->search.list);
epdf_page_delete(page);
}
/* an already existing list or a newly one */
if (pdf->search.list) {
Epdf_Rectangle *rect;
if ((rect = (Epdf_Rectangle *)ecore_list_next(pdf->search.list))) {
if (pdf->search.page != epdf_page_page_get(pdf->pdf_page)) {
ewl_pdf_page_set(pdf, pdf->search.page);
ewl_callback_call(EWL_WIDGET(pdf), EWL_CALLBACK_REVEAL);
}
evas_object_move(pdf->search.o,
CURRENT_X(EWL_WIDGET(pdf)) + round(rect->x1 - 1),
CURRENT_Y(EWL_WIDGET(pdf)) + round(rect->y1 - 1));
evas_object_resize(pdf->search.o,
round(rect->x2 - rect->x1 + 1),
round(rect->y2 - rect->y1));
if (!evas_object_visible_get(pdf->search.o))
evas_object_show(pdf->search.o);
/* we leave... */
DRETURN_INT(TRUE, DLEVEL_STABLE);
}
else { /* no more word to find. We destroy the list */
ecore_list_destroy(pdf->search.list);
pdf->search.list = NULL;
/* we search a new one */
printf("page0 : %d\n", pdf->search.page);
goto next_page;
}
}
evas_object_hide(pdf->search.o);
if (pdf->search.is_circular) {
pdf->search.page = -1;
DRETURN_INT(TRUE, DLEVEL_STABLE);
}
else
DRETURN_INT(FALSE, DLEVEL_STABLE);
}