diff options
Diffstat (limited to 'source/fitz/document.c')
| -rw-r--r-- | source/fitz/document.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/source/fitz/document.c b/source/fitz/document.c index 013badb0..26ae93ea 100644 --- a/source/fitz/document.c +++ b/source/fitz/document.c @@ -319,9 +319,27 @@ fz_document_output_intent(fz_context *ctx, fz_document *doc) fz_page * fz_load_page(fz_context *ctx, fz_document *doc, int number) { + fz_page *page; + fz_ensure_layout(ctx, doc); + + for (page = doc->open; page; page = page->next) + if (page->number == number) + return fz_keep_page(ctx, page); + if (doc && doc->load_page) - return doc->load_page(ctx, doc, number); + { + page = doc->load_page(ctx, doc, number); + page->number = number; + + /* Insert new page at the head of the list of open pages. */ + if ((page->next = doc->open) != NULL) + doc->open->prev = &page->next; + doc->open = page; + page->prev = &doc->open; + return page; + } + return NULL; } @@ -472,8 +490,14 @@ fz_drop_page(fz_context *ctx, fz_page *page) { if (fz_drop_imp(ctx, page, &page->refs)) { + /* Remove page from the list of open pages */ + if (page->next != NULL) + page->next->prev = page->prev; + *page->prev = page->next; + if (page->drop_page) page->drop_page(ctx, page); + fz_free(ctx, page); } } |