png_mptr Class Reference

#include <mptr_png.h>

Inheritance diagram for png_mptr:

Public Member Functions
	png_mptr (const synfig::FileSystem::Identifier &identifier)
	~png_mptr ()
virtual bool	get_frame (synfig::Surface &surface, const synfig::RendDesc &renddesc, synfig::Time time, synfig::ProgressCallback *callback)
	Gets a frame and puts it into surface.
virtual bool	get_frame (synfig::Surface &surface, const synfig::RendDesc &renddesc, synfig::Time time, bool &trimmed, unsigned int &width, unsigned int &height, unsigned int &top, unsigned int &left, synfig::ProgressCallback *callback)
Public Member Functions inherited from synfig::Importer
Gamma &	gamma ()
const Gamma &	gamma () const
virtual	~Importer ()
virtual bool	get_frame (Surface &surface, const RendDesc &renddesc, Time time, bool &trimmed __attribute__((unused)), unsigned int &width __attribute__((unused)), unsigned int &height __attribute__((unused)), unsigned int &top __attribute__((unused)), unsigned int &left __attribute__((unused)), ProgressCallback *callback=NULL)
virtual bool	is_animated ()
	Returns true if the importer pays attention to the time parameter of get_frame()

Additional Inherited Members
Public Types inherited from synfig::Importer
typedef Importer *(*	Factory )(const FileSystem::Identifier &identifier)
typedef std::map< std::string, BookEntry >	Book
typedef etl::handle< Importer >	Handle
typedef etl::loose_handle < Importer >	LooseHandle
typedef etl::handle< const Importer >	ConstHandle
Static Public Member Functions inherited from synfig::Importer
static Book &	book ()
static bool	subsys_init ()
static bool	subsys_stop ()
static Handle	open (const FileSystem::Identifier &identifier)
	Attempts to open filename, and returns a handle to the associated Importer.
Public Attributes inherited from synfig::Importer
const FileSystem::Identifier	identifier
Static Public Attributes inherited from synfig::Importer
static Book *	book_
Protected Member Functions inherited from synfig::Importer
	Importer (const FileSystem::Identifier &identifier)

Constructor & Destructor Documentation

png_mptr::png_mptr

(

const synfig::FileSystem::Identifier &

identifier

)

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References synfig::Gamma::b_U8_to_F32(), BORDER, synfig::error(), synfig::FileSystem::Identifier::filename, synfig::Gamma::g_U8_to_F32(), synfig::Importer::gamma(), synfig::FileSystem::Identifier::get_read_stream(), synfig::info(), PNG_CHECK_BYTES, and synfig::Gamma::r_U8_to_F32().

png_mptr::~png_mptr

(

)

Member Function Documentation

bool png_mptr::get_frame ( synfig::Surface &  surface, const synfig::RendDesc &  renddesc, synfig::Time  time, synfig::ProgressCallback *  callback  )

virtual

Gets a frame and puts it into surface.

Parameters

surface	Reference to surface to put frame into
time	For animated importers, determines which frame to get. For static importers, this parameter is unused.
callback	Pointer to callback class for progress, errors, etc.

Returns

true on success, false on error

See Also

ProgressCallback, Surface

Implements synfig::Importer.

bool png_mptr::get_frame ( synfig::Surface &  surface, const synfig::RendDesc &  renddesc, synfig::Time  time, bool &  trimmed, unsigned int &  width, unsigned int &  height, unsigned int &  top, unsigned int &  left, synfig::ProgressCallback *  callback  )

virtual

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The documentation for this class was generated from the following files:

• mptr_png.h
• mptr_png.cpp