#ifndef PDFAPP_H #define PDFAPP_H #include "mupdf/fitz.h" #include "mupdf/pdf.h" #include /* * Utility object for handling a pdf application / view * Takes care of PDF loading and displaying and navigation, * uses a number of callbacks to the GUI app. */ /* 25% .. 1600% */ #define MINRES 18 #define MAXRES 1152 typedef struct pdfapp_s pdfapp_t; enum { ARROW, HAND, WAIT, CARET }; enum { DISCARD, SAVE, CANCEL }; enum { QUERY_NO, QUERY_YES }; extern void winwarn(pdfapp_t*, char *s); extern void winerror(pdfapp_t*, char *s); extern void wintitle(pdfapp_t*, char *title); extern void winresize(pdfapp_t*, int w, int h); extern void winrepaint(pdfapp_t*); extern void winrepaintsearch(pdfapp_t*); extern char *winpassword(pdfapp_t*, char *filename); extern char *wintextinput(pdfapp_t*, char *inittext, int retry); extern int winchoiceinput(pdfapp_t*, int nopts, const char *opts[], int *nvals, const char *vals[]); extern void winopenuri(pdfapp_t*, char *s); extern void wincursor(pdfapp_t*, int curs); extern void windocopy(pdfapp_t*); extern void windrawrect(pdfapp_t*, int x0, int y0, int x1, int y1); extern void windrawstring(pdfapp_t*, int x, int y, char *s); extern void winclose(pdfapp_t*); extern void winhelp(pdfapp_t*); extern void winfullscreen(pdfapp_t*, int state); extern int winsavequery(pdfapp_t*); extern int winquery(pdfapp_t*, const char*); extern int wingetcertpath(char *buf, int len); extern int wingetsavepath(pdfapp_t*, char *buf, int len); extern void winalert(pdfapp_t *, pdf_alert_event *alert); extern void winprint(pdfapp_t *); extern void winadvancetimer(pdfapp_t *, float duration); extern void winreplacefile(char *source, char *target); extern void wincopyfile(char *source, char *target); extern void winreloadpage(pdfapp_t *); struct pdfapp_s { /* current document params */ fz_document *doc; char *docpath; char *doctitle; fz_outline *outline; int outline_deferred; float layout_w; float layout_h; float layout_em; char *layout_css; int layout_use_doc_css; int pagecount; /* current view params */ float default_resolution; float resolution; int rotate; fz_pixmap *image; int imgw, imgh; int grayscale; fz_colorspace *colorspace; int invert; int tint, tint_white; int useicc; int useseparations; int aalevel; /* presentation mode */ int presentation_mode; int transitions_enabled; fz_pixmap *old_image; fz_pixmap *new_image; clock_t start_time; int in_transit; float duration; fz_transition transition; /* current page params */ int pageno; fz_page *page; fz_rect page_bbox; fz_display_list *page_list; fz_display_list *annotations_list; fz_stext_page *page_text; fz_link *page_links; int errored; int incomplete; /* separations */ fz_separations *seps; /* snapback history */ int hist[256]; int histlen; int marks[10]; /* window system sizes */ int winw, winh; int scrw, scrh; int shrinkwrap; int fullscreen; /* event handling state */ char number[256]; int numberlen; int ispanning; int panx, pany; int iscopying; int selx, sely; /* TODO - While sely keeps track of the relative change in * cursor position between two ticks/events, beyondy shall keep * track of the relative change in cursor position from the * point where the user hits a scrolling limit. This is ugly. * Used in pdfapp.c:pdfapp_onmouse. */ int beyondy; fz_rect selr; int nowaitcursor; /* search state */ int issearching; int searchdir; char search[512]; int searchpage; fz_quad hit_bbox[512]; int hit_count; /* client context storage */ void *userdata; fz_context *ctx; #ifdef HAVE_CURL fz_stream *stream; #endif }; void pdfapp_init(fz_context *ctx, pdfapp_t *app); void pdfapp_setresolution(pdfapp_t *app, int res); void pdfapp_open(pdfapp_t *app, char *filename, int reload); void pdfapp_open_progressive(pdfapp_t *app, char *filename, int reload, int kbps); void pdfapp_close(pdfapp_t *app); int pdfapp_preclose(pdfapp_t *app); void pdfapp_reloadfile(pdfapp_t *app); char *pdfapp_version(pdfapp_t *app); char *pdfapp_usage(pdfapp_t *app); void pdfapp_onkey(pdfapp_t *app, int c, int modifiers); void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state); void pdfapp_oncopy(pdfapp_t *app, unsigned short *ucsbuf, int ucslen); void pdfapp_onresize(pdfapp_t *app, int w, int h); void pdfapp_gotopage(pdfapp_t *app, int number); void pdfapp_reloadpage(pdfapp_t *app); void pdfapp_autozoom_horizontal(pdfapp_t *app); void pdfapp_autozoom_vertical(pdfapp_t *app); void pdfapp_autozoom(pdfapp_t *app); void pdfapp_invert(pdfapp_t *app, fz_rect rect); void pdfapp_inverthit(pdfapp_t *app); void pdfapp_postblit(pdfapp_t *app); #endif