vpdf/poppler.h

   1 #ifndef POPPLER_H
   2
   3 #include <exec/types.h>
   4 #include <exec/lists.h>
   5
   6 #ifdef __cplusplus
   7 extern "C" {
   8 #endif /* __cplusplus */
   9
  10 void *pdfNew(const char *fname);
  11 void pdfConvertUserToDevice(void *_ctx, double *x, double *y);
  12 void pdfConvertDeviceToUser(void *_ctx, int page, double x, double y, int *ux, int *uy);
  13
  14 void pdfDelete(void *_ctx);
  15
  16 float pdfGetPageMediaWidth(void *_ctx, int page);
  17 float pdfGetPageMediaHeight(void *_ctx, int page);
  18 int pdfGetDocumentDimensions(void *_ctx, float *width, float *height);
  19 int     pdfGetPagesNum(void *_ctx);
  20
  21 int pdfDisplayPageSlice(void *_ctx, int page, double scale, int rotate, int useMediaBox, int crop, int printing,
  22                 int sliceX, int sliceY, int sliceW, int sliceH, int (*abortcheckcbk)(void *), void *abortcheckcbkdata);
  23
  24 /* output bitmap */
  25
  26 struct pdfBitmap
  27 {
  28         int width;
  29         int height;
  30         int stride;     /* in bytes */
  31         unsigned char *data;
  32 };
  33
  34 unsigned char *pdfGetBitmapRowData(void *_ctx, int row);
  35 int pdfGetBitmapWidth(void *_ctx);
  36 int pdfGetBitmapHeight(void *_ctx);
  37 void pdfGetBitmap(void *_ctx, struct pdfBitmap *bm);
  38
  39 void *pdfGetPage(void *_ctx, int page);
  40
  41 /* outline handling functions */
  42 struct MinList *pdfGetOutlines(void *_ctx);
  43 char *outlineGetTitle(void *_outline);
  44 struct MinList *outlineGetChildren(void *_outline);
  45 int outlineHasChildren(void *_outline);
  46 int outlineGetPage(void *_outline);
  47
  48 /* links */
  49 void pdfListLinks(void *_ctx, int page);
  50 void *pdfFindLink(void *_ctx, int page, int x, int y);
  51 char *linkGetDescription(void *_link);
  52 int pdfGetActionPageFromLink(void *_doc, void *_link);
  53
  54 /* searching */
  55
  56 int pdfSearch(void *_ctx, int *page, char *phrase, int direction, double *x1, double *y1, double *x2, double *y2);
  57
  58 enum {
  59         PDFSEARCH_FOUND = 1,
  60         PDFSEARCH_NOTFOUND,
  61         PDFSEARCH_NEXTPAGE,
  62 };
  63
  64 /* locking (too lowlevel?) */
  65
  66 void pdfLock(void *_ctx);
  67 void pdfRelease(void *_ctx);
  68
  69
  70 /* document properties (sucky api?)*/
  71
  72 enum {
  73         PDFATTR_TITLE = 1,
  74 };
  75
  76 enum {
  77         PDFATTRTYPE_STRING = 1,
  78         PDFATTRTYPE_INTEGER,
  79 };
  80
  81 struct pdfAttribute
  82 {
  83         int type;
  84         union value{
  85                 char *s;
  86                 int i;
  87         }value;
  88 };
  89
  90 struct pdfAttribute *pdfGetAttr(void *_ctx, int property);
  91 void pdfFreeAttr(void *_ctx, struct pdfAttribute *attr);
  92
  93
  94 /* annotations */
  95
  96 struct pdfAnnotation
  97 {
  98         struct MinNode n;
  99
 100         int type;
 101         double x1, y1, x2, y2; // area on image
 102         char *contents;        // in local charset
 103         char *author;          // in local charset
 104         void *obj;             // attached mui object
 105
 106 };
 107
 108 struct MinList *pdfGetAnnotations(void *_ctx, int page);
 109
 110 struct searchresult
 111 {
 112         struct MinNode n;
 113         double x1, y1, x2, y2;          // bounding rectangle in pdf points
 114 };
 115
 116 /* selection */
 117
 118
 119 struct pdfSelectionRectangle
 120 {
 121         double x1, y1, x2, y2;          // bounding rectangle in pdf points
 122 };
 123
 124 struct pdfSelectionRegion
 125 {
 126         int numrects;
 127         struct pdfSelectionRectangle rectangles[0];
 128 };
 129
 130 struct pdfSelectionRegion *pdfBuildRegionForSelection(void *_ctx, int page, double x1, double y1, double x2, double y2, struct pdfSelectionRegion *previous);
 131 void pdfDisposeRegionForSelection(void *_ctx, struct pdfSelectionRegion *region);
 132
 133 struct pdfSelectionText
 134 {
 135         char utf8[0];
 136 };
 137
 138 struct pdfSelectionText *pdfBuildTextForSelection(void *_ctx, int page, double x1, double y1, double x2, double y2);
 139 void pdfDisposeTextForSelection(void *_ctx, struct pdfSelectionText *text);
 140
 141
 142 /* internals (TODO: should not be exposed! */
 143
 144 struct searchcontext
 145 {
 146         struct MinList searchresultlist;
 147         struct searchresult *currentsearchresult; // current node on a page;
 148         int page;
 149         char *phrase;                                           // on which page we are currently searching
 150 };
 151
 152
 153
 154 #ifdef __cplusplus
 155 }
 156 #endif /* __cplusplus */
 157
 158 #endif