HPDF_Dict HPDF_3DView_New( HPDF_MMgr mmgr, HPDF_Xref xref, HPDF_U3D u3d, const char *name)
{
HPDF_STATUS ret = HPDF_OK;
HPDF_Dict view;
HPDF_PTRACE ((" HPDF_3DView_New\n"));
if (name == NULL || name[0] == '\0') {
return NULL;
}
view = HPDF_Dict_New (mmgr);
if (!view) {
return NULL;
}
if (HPDF_Xref_Add (xref, view) != HPDF_OK)
return NULL;
ret = HPDF_Dict_AddName (view, "TYPE", "3DView");
if (ret != HPDF_OK) {
HPDF_Dict_Free (view);
return NULL;
}
ret = HPDF_Dict_Add (view, "XN", HPDF_String_New (mmgr, name, NULL));
if (ret != HPDF_OK) {
HPDF_Dict_Free (view);
return NULL;
}
ret = HPDF_Dict_Add (view, "IN", HPDF_String_New (mmgr, name, NULL));
if (ret != HPDF_OK) {
HPDF_Dict_Free (view);
return NULL;
}
ret = HPDF_U3D_Add3DView( u3d, view);
if (ret != HPDF_OK) {
HPDF_Dict_Free (view);
return NULL;
}
return view;
}
bool Pdf3d::createAdvancedPdf( const char *filepdf, const char *fileprc, const char *filejs, bool bUseCenter, float cenx, float ceny, float cenz )
{
HPDF_Rect rect = {_rcleft, _rctop, _rcwidth, _rcheight};
HPDF_Doc pdf;
HPDF_Page page;
HPDF_Annotation annot;
HPDF_U3D u3d;
pdf = HPDF_New (NULL, NULL);
if (!pdf)
{
printf ("error: cannot create PdfDoc object\n");
return false;
}
// set up some error handling
if (setjmp(g_env))
{
HPDF_Free (pdf);
return false;
}
page = HPDF_AddPage (pdf);
HPDF_Page_SetWidth (page, _rcwidth);
HPDF_Page_SetHeight (page, _rcheight);
//HPDF_Dict js = NULL; SALVA
//js = HPDF_DictStream_New (pdf->mmgr, pdf->xref);
//js->header.obj_class |= HPDF_OSUBCLASS_XOBJECT;
//js->filter = HPDF_STREAM_FILTER_NONE;
//js = HPDF_LoadJSFromFile (pdf, filejs);
u3d = HPDF_LoadU3DFromFile (pdf, fileprc);
// add javeascript action
//HPDF_Dict_Add (u3d, "OnInstantiate", js); SALVA
#define NS2VIEWS 7
HPDF_Dict views[NS2VIEWS+1];
const char *view_names[] = {"Front perspective ('1','H')",
"Back perspective ('2')",
"Right perspective ('3')",
"Left perspective ('4')",
"Bottom perspective ('5')",
"Top perspective ('6')",
"Oblique perspective ('7')"};
const float view_c2c[][3] = {{0., 0., 1.},
{0., 0., -1.},
{-1., 0., 0.},
{1., 0., 0.},
{0., 1., 0.},
{0., -1., 0.},
{-1., 1., -1.}};
const float view_roll[] = {0., 180., 90., -90., 0., 0., 60.};
// query camera point to rotate about - sometimes not the same as focus point
XYZ pr;
pr.x = 0;
pr.y = 0;
pr.z = 0;
// camera focus point
//XYZ focus;
//focus.x = 0;
//focus.y = 0;
//focus.z = 0;
if (bUseCenter)
{
pr.x = cenx;
pr.y = ceny;
pr.z = cenz;
}
float camrot = 5.0;
// create views
for (int iv = 0; iv < NS2VIEWS; iv++)
{
views[iv] = HPDF_Create3DView(u3d->mmgr, view_names[iv]);
HPDF_3DView_SetCamera(views[iv], pr.x, pr.y, pr.z,
view_c2c[iv][0], view_c2c[iv][1], view_c2c[iv][2],
camrot, view_roll[iv]);
HPDF_3DView_SetPerspectiveProjection(views[iv], 45.0);
HPDF_3DView_SetBackgroundColor(views[iv], _bgr, _bgg, _bgb);
HPDF_3DView_SetLighting(views[iv], "White");
HPDF_U3D_Add3DView(u3d, views[iv]);
}
// add a psuedo-orthographic for slicing (actually perspective with point at infinity)
views[NS2VIEWS] = HPDF_Create3DView(u3d->mmgr, "Orthgraphic slicing view");
HPDF_3DView_SetCamera(views[NS2VIEWS], pr.x, pr.y, pr.z,
view_c2c[0][0], view_c2c[0][1], view_c2c[0][2],
camrot*82.70f, view_roll[0]);
HPDF_3DView_SetPerspectiveProjection(views[NS2VIEWS], 0.3333f);
//HPDF_3DView_SetOrthogonalProjection(views[NS2VIEWS], 45.0/1000.0);
HPDF_3DView_SetBackgroundColor(views[NS2VIEWS], _bgr, _bgg, _bgb);
HPDF_3DView_SetLighting(views[NS2VIEWS], "White");
HPDF_U3D_Add3DView(u3d, views[NS2VIEWS]);
HPDF_U3D_SetDefault3DView(u3d, "Front perspective");
// Create annotation
annot = HPDF_Page_Create3DAnnot (page, rect, HPDF_TRUE, HPDF_FALSE, u3d, NULL);
// make the toolbar appear by default
// HPDF_Dict action = (HPDF_Dict)HPDF_Dict_GetItem (annot, "3DA", HPDF_OCLASS_DICT);
// HPDF_Dict_AddBoolean (action, "TB", HPDF_TRUE);
// save the document to a file
HPDF_SaveToFile (pdf, filepdf);
// clean up
HPDF_Free (pdf);
return true;
}
