| 0,0 → 1,105 |
|---|
| /* |
| * 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. |
| */ |
| |
| #define MINRES 54 |
| #define MAXRES 300 |
| |
| typedef struct pdfapp_s pdfapp_t; |
| |
| enum { ARROW, HAND, WAIT }; |
| |
| extern void winwarn(pdfapp_t*, char *s); |
| extern void winerror(pdfapp_t*, fz_error error); |
| 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 void winopenuri(pdfapp_t*, char *s); |
| extern void wincursor(pdfapp_t*, int curs); |
| extern void windocopy(pdfapp_t*); |
| extern void winreloadfile(pdfapp_t*); |
| extern void windrawstring(pdfapp_t*, int x, int y, char *s); |
| extern void winclose(pdfapp_t*); |
| extern void winhelp(pdfapp_t*); |
| |
| struct pdfapp_s |
| { |
| /* current document params */ |
| char *doctitle; |
| pdf_xref *xref; |
| pdf_outline *outline; |
| xps_context *xps; |
| |
| int pagecount; |
| fz_glyph_cache *cache; |
| |
| /* current view params */ |
| int resolution; |
| int rotate; |
| fz_pixmap *image; |
| int grayscale; |
| |
| /* current page params */ |
| int pageno; |
| fz_rect page_bbox; |
| float page_rotate; |
| fz_display_list *page_list; |
| fz_text_span *page_text; |
| pdf_link *page_links; |
| |
| /* snapback history */ |
| int hist[256]; |
| int histlen; |
| int marks[10]; |
| |
| /* window system sizes */ |
| int winw, winh; |
| int scrw, scrh; |
| int shrinkwrap; |
| |
| /* 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_bbox selr; |
| |
| /* search state */ |
| int isediting; |
| char search[512]; |
| int hit; |
| int hitlen; |
| |
| /* client context storage */ |
| void *userdata; |
| }; |
| |
| void pdfapp_init(pdfapp_t *app); |
| void pdfapp_open(pdfapp_t *app, char *filename, int fd, int reload); |
| void pdfapp_close(pdfapp_t *app); |
| |
| char *pdfapp_version(pdfapp_t *app); |
| char *pdfapp_usage(pdfapp_t *app); |
| |
| void pdfapp_onkey(pdfapp_t *app, int c); |
| 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_invert(pdfapp_t *app, fz_bbox rect); |
| void pdfapp_inverthit(pdfapp_t *app); |