#define GS_CMDLINE \
"gs -sDEVICE=bmp16m -r%f -q -sOutputFile=- " \
"-dNOPAUSE -dBATCH -dTextAlphaBits=4 -dGraphicsAlphaBits=4 %s"
#define GS_BITMAP_DPI 144 // was: (DEFAULT_ZOOM * 72)
#define TMPDIR_TEMPLATE "/tmp/xournalpdf.XXXXXX"
#define PDFTOPPM_ARGV \
{ "pdftoppm", "-q", "-f", pageno_str, "-l", pageno_str, \
"-r", dpi_str, pdf_filename, ppm_root, NULL }
#define PDFTOPPM_PRINTING_DPI 150
void new_journal(void);
gboolean save_journal(const char *filename);
gboolean close_journal(void);
gboolean open_journal(char *filename);
struct Background *attempt_load_pix_bg(char *filename, gboolean attach);
GList *attempt_load_gv_bg(char *filename);
struct Background *attempt_screenshot_bg(void);
void cancel_bgpdf_request(struct BgPdfRequest *req);
void add_bgpdf_request(int pageno, double zoom, gboolean printing);
void bgpdf_spawn_child(void);
void shutdown_bgpdf(void);
gboolean init_bgpdf(char *pdfname, gboolean create_pages, int file_domain);
void bgpdf_create_page_with_bg(int pageno, struct BgPdfPage *bgpg);
void bgpdf_update_bg(int pageno, struct BgPdfPage *bgpg);