cgv
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The const_data_view has the functionality of the data_view but uses a const pointer and therefore does not allow to manage the pointer nor to set the data. More...
#include <data_view.h>
Public Member Functions | |
const_data_view () | |
construct an empty data view without format and with empty data pointer*/ | |
const_data_view (const data_view &dv) | |
copy construct from a non const data view | |
const_data_view (const data_format *_format, const void *_data_ptr) | |
construct a data view from the given format, viewing the complete data set pointed to by the passed data pointer | |
const_data_view & | operator= (const const_data_view &dv) |
assignment of const_data_view never gains ownership of format or data | |
void | set_ptr (const void *ptr) |
set a different data pointer | |
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data_view_impl (const data_format *_format=0, typename cgv::type::func::transfer_const< const unsigned char *, void * >::type _data_ptr=0) | |
construct a data view from the given format, viewing the complete data set | |
bool | empty () const |
return whether the data pointer is a null pointer | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | get_ptr () const |
return a data pointer to type S | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | get_ptr (size_t i) const |
return a pointer to type S for i-th data entry | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | get_ptr (size_t i, size_t j) const |
return a pointer to type S for (i,j)-th data entry | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | get_ptr (size_t i, size_t j, size_t k) const |
return a pointer to type S for (i,j,k)-th data entry | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | get_ptr (size_t i, size_t j, size_t k, size_t l) const |
return a pointer to type S for (i,j,k,l)-th data entry | |
S | get (unsigned ci) const |
constant access to the ci-th component | |
S | get (unsigned ci, size_t i) const |
constant access to the ci-th component of i-th data entry | |
S | get (unsigned ci, size_t i, size_t j) const |
constant access to the ci-th component of (i,j)-th data entry | |
S | get (unsigned ci, size_t i, size_t j, size_t k) const |
constant access to the ci-th component of (i,j,k)-th data entry | |
S | get (unsigned ci, size_t i, size_t j, size_t k, size_t l) const |
constant access to the ci-th component of (i,j,k,l)-th data entry | |
const_data_view | operator() (size_t i) const |
access to i-th data entry | |
const_data_view | operator() (size_t i, size_t j) const |
access to entry at (i,j) | |
const_data_view | operator() (size_t i, size_t j, size_t k) const |
access to entry at (i,j,k) | |
const_data_view | operator() (size_t i, size_t j, size_t k, size_t l) const |
access to entry at (i,j,k,l) | |
const_data_view | permute (const std::string &permutation) const |
permute the order of the indices, where the permutation argument "kji" implies that after the permutation the operator (i,j,k) returns the same as the operator (k,j,i) before the call to permute. | |
const_data_view | transpose () const |
transpose is equivalent to permute("ji") | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | step_i (S *ptr, std::ptrdiff_t n=1) const |
return a pointer that points to the n-th next location if index i is increase by n | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | step_j (S *ptr, std::ptrdiff_t n=1) const |
return a pointer that points to the n-th next location if index j is increase by n | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | step_k (S *ptr, std::ptrdiff_t n=1) const |
return a pointer that points to the n-th next location if index k is increase by n | |
cgv::type::func::transfer_const< const unsigned char *, S * >::type | step_l (S *ptr, std::ptrdiff_t n=1) const |
return a pointer that points to the n-th next location if index l is increase by n | |
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data_view_base (const data_format *_format=0) | |
construct the base of a data view from the given format, such that the step sizes and dimension are set to view the complete data set defined in the format. | |
virtual | ~data_view_base () |
delete format if it is owned | |
void | manage_format (bool enable=true) |
whether to manage the data format pointer | |
const data_format * | get_format () const |
return the component format | |
void | set_format (const data_format *_format) |
set a new data format | |
unsigned int | get_dim () const |
return the dimension of the data view, which is less or equal to the dimension of the data format | |
size_t | get_step_size (unsigned int dim) const |
return the step size in bytes in the i-th dimension | |
Protected Member Functions | |
const_data_view (const data_format *_format, const unsigned char *_data_ptr, unsigned _dim, const size_t *_step_sizes) | |
use base class for construction | |
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data_view_impl (const data_format *_format, const unsigned char * _data_ptr, unsigned _dim, const size_t *_step_sizes) | |
constructor used to construct sub views onto the data view | |
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data_view_base (const data_format *_format, unsigned int _dim, const size_t *_step_sizes) | |
constructor used to construct sub views onto the data view | |
Friends | |
class | data_view_impl< const_data_view, const unsigned char * > |
declare base as friend | |
Additional Inherited Members | |
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const unsigned char * | data_ptr |
data pointer of type unsigned char or const unsigned char | |
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const data_format * | format |
bool | owns_format |
whether to own the data format | |
unsigned int | dim |
size_t | step_sizes [4] |
The const_data_view has the functionality of the data_view but uses a const pointer and therefore does not allow to manage the pointer nor to set the data.
Definition at line 220 of file data_view.h.
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protected |
use base class for construction
Definition at line 256 of file data_view.cxx.
cgv::data::const_data_view::const_data_view | ( | ) |
construct an empty data view without format and with empty data pointer*/
Definition at line 261 of file data_view.cxx.
cgv::data::const_data_view::const_data_view | ( | const data_view & | dv | ) |
copy construct from a non const data view
Definition at line 268 of file data_view.cxx.
cgv::data::const_data_view::const_data_view | ( | const data_format * | _format, |
const void * | _data_ptr | ||
) |
construct a data view from the given format, viewing the complete data set pointed to by the passed data pointer
Definition at line 264 of file data_view.cxx.
const_data_view & cgv::data::const_data_view::operator= | ( | const const_data_view & | dv | ) |
assignment of const_data_view never gains ownership of format or data
Definition at line 232 of file data_view.cxx.
References cgv::data::data_view_impl< D, P >::data_ptr, cgv::data::data_view_impl< const_data_view, const unsigned char * >::data_ptr, and cgv::data::data_view_base::owns_format.
void cgv::data::const_data_view::set_ptr | ( | const void * | ptr | ) |
set a different data pointer
Definition at line 273 of file data_view.cxx.
References cgv::data::data_view_impl< const_data_view, const unsigned char * >::data_ptr.
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friend |
declare base as friend
Definition at line 213 of file data_view.h.