static tiff_document * tiff_open_document_with_stream(fz_context *ctx, fz_stream *file) { tiff_document *doc; doc = fz_new_document(ctx, sizeof *doc); doc->super.close = (fz_document_close_fn *)tiff_close_document; doc->super.count_pages = (fz_document_count_pages_fn *)tiff_count_pages; doc->super.load_page = (fz_document_load_page_fn *)tiff_load_page; doc->super.meta = (fz_document_meta_fn *)tiff_meta; fz_try(ctx) { doc->buffer = fz_read_all(ctx, file, 1024); doc->page_count = fz_load_tiff_subimage_count(ctx, doc->buffer->data, doc->buffer->len); } fz_catch(ctx) { tiff_close_document(ctx, doc); fz_rethrow(ctx); } return doc; }
static tiff_document * tiff_open_document_with_stream(fz_context *ctx, fz_stream *file) { tiff_document *doc; doc = fz_new_document(ctx, tiff_document); doc->super.drop_document = (fz_document_drop_fn *)tiff_drop_document; doc->super.count_pages = (fz_document_count_pages_fn *)tiff_count_pages; doc->super.load_page = (fz_document_load_page_fn *)tiff_load_page; doc->super.lookup_metadata = (fz_document_lookup_metadata_fn *)tiff_lookup_metadata; fz_try(ctx) { size_t len; unsigned char *data; doc->buffer = fz_read_all(ctx, file, 1024); len = fz_buffer_storage(ctx, doc->buffer, &data); doc->page_count = fz_load_tiff_subimage_count(ctx, data, len); } fz_catch(ctx) { fz_drop_document(ctx, &doc->super); fz_rethrow(ctx); } return doc; }