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75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
/*
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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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typedef struct pdfapp_s pdfapp_t;
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enum { ARROW, HAND, WAIT };
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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 winconvert(pdfapp_t*, fz_pixmap *image);
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extern void winrepaint(pdfapp_t*);
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extern char* winpassword(pdfapp_t*, char *filename);
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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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struct pdfapp_s
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{
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/* current document params */
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char *filename;
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char *doctitle;
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pdf_xref *xref;
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pdf_outline *outline;
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pdf_pagetree *pages;
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fz_renderer *rast;
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/* current view params */
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float zoom;
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int rotate;
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fz_pixmap *image;
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/* current page params */
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int pageno;
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pdf_page *page;
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/* snapback history */
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int hist[256];
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int histlen;
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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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/* 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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fz_irect selr;
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/* client context storage */
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void *userdata;
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};
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void pdfapp_init(pdfapp_t *app);
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void pdfapp_open(pdfapp_t *app, char *filename);
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void pdfapp_close(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);
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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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