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