pangomm
2.41.5
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A Pango::Coverage represents a map from ISO-10646 character point to Pango::Level. More...
#include <pangomm/coverage.h>
Public Types | |
enum | Level { Level::NONE, Level::FALLBACK, Level::APPROXIMATE, Level::EXACT } |
Used to indicate how well a font can represent a particular Unicode character point for a particular script. More... | |
Public Member Functions | |
void | reference () const |
Increment the reference count for this object. More... | |
void | unreference () const |
Decrement the reference count for this object. More... | |
PangoCoverage* | gobj () |
Provides access to the underlying C instance. More... | |
const PangoCoverage* | gobj () const |
Provides access to the underlying C instance. More... | |
PangoCoverage* | gobj_copy () const |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More... | |
Coverage ()=delete | |
Coverage (const Coverage&)=delete | |
Coverage& | operator= (const Coverage&)=delete |
Level | get (int index) const |
Determine whether a particular index is covered by coverage. More... | |
void | set (int index, Level level) |
Modify a particular index within coverage. More... | |
void | max (const Glib::RefPtr< Coverage >& other) const |
Set the coverage for each index in coverage to be the max (better) value of the current coverage for the index and the coverage for the corresponding index in other. More... | |
std::vector< unsigned char > | to_bytes () const |
Convert the coverage map into a flat binary format. More... | |
Static Public Member Functions | |
static Glib::RefPtr< Coverage > | create () |
static Glib::RefPtr< Coverage > | create (const guchar* bytes, int n_bytes) |
Convert data generated from to_bytes() back to a Pango::Coverage. More... | |
Protected Member Functions | |
void | operator delete (void*, std::size_t) |
Related Functions | |
(Note that these are not member functions.) | |
Glib::RefPtr< Pango::Coverage > | wrap (PangoCoverage* object, bool take_copy=false) |
A Glib::wrap() method for this object. More... | |
A Pango::Coverage represents a map from ISO-10646 character point to Pango::Level.
It is often necessary in pango to determine if a particular font can represent a particular character, and also how well it can represent that character. Pango::Coverage holds this information.
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delete |
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delete |
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static |
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static |
Convert data generated from to_bytes() back to a Pango::Coverage.
bytes | Binary data representing a Pango::Coverage. |
n_bytes | The size of bytes in bytes. |
nullptr
if the data was invalid. Level Pango::Coverage::get | ( | int | index | ) | const |
Determine whether a particular index is covered by coverage.
index | The index to check. |
PangoCoverage* Pango::Coverage::gobj | ( | ) |
Provides access to the underlying C instance.
const PangoCoverage* Pango::Coverage::gobj | ( | ) | const |
Provides access to the underlying C instance.
PangoCoverage* Pango::Coverage::gobj_copy | ( | ) | const |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
void Pango::Coverage::max | ( | const Glib::RefPtr< Coverage >& | other | ) | const |
Set the coverage for each index in coverage to be the max (better) value of the current coverage for the index and the coverage for the corresponding index in other.
other | Another Pango::Coverage. |
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protected |
void Pango::Coverage::reference | ( | ) | const |
Increment the reference count for this object.
You should never need to do this manually - use the object via a RefPtr instead.
void Pango::Coverage::set | ( | int | index, |
Level | level | ||
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Modify a particular index within coverage.
index | The index to modify. |
level | The new level for index. |
std::vector<unsigned char> Pango::Coverage::to_bytes | ( | ) | const |
Convert the coverage map into a flat binary format.
void Pango::Coverage::unreference | ( | ) | const |
Decrement the reference count for this object.
You should never need to do this manually - use the object via a RefPtr instead.
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related |
A Glib::wrap() method for this object.
object | The C instance. |
take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref. |