/usr/include/synfig-0.0/synfig/surfacenew.h is in libsynfig-dev 0.64.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*! \file surfacenew.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
** \endlegal
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_SURFACENEW_H
#define __SYNFIG_SURFACENEW_H
/* === H E A D E R S ======================================================= */
#include <ETL/handle>
#include <ETL/ref_count>
#include "color.h"
#include "mutex.h"
#include <map>
/* === M A C R O S ========================================================= */
/* === T Y P E D E F S ===================================================== */
/* === C L A S S E S & S T R U C T S ======================================= */
namespace synfig {
class Surface;
class SurfaceChannelLock;
class SurfaceChannelLockConst;
//! \writeme
enum SurfaceColorSystem
{
COLORSYS_RGB,
COLORSYS_YUV,
COLORSYS_END
}; // END of enum SurfaceColorSystem
//! \writeme
enum SurfaceChannel
{
CHAN_A,
CHAN_R,
CHAN_G,
CHAN_B,
CHAN_Y,
CHAN_U,
CHAN_V,
CHAN_END
}; // END of enum SurfaceChannel
class SurfaceNew : etl::shared_object
{
friend class SurfaceChannelLock;
/*
-- ** -- T Y P E S -----------------------------------------------------------
*/
public:
//! \writeme
typedef etl::handle<SurfaceNew> Handle;
//! \writeme
typedef etl::handle<const SurfaceNew> HandleConst;
//! \writeme
typedef etl::loose_handle<SurfaceNew> LooseHandle;
//! \writeme
typedef SurfaceChannel;
//! \writeme
typedef SurfaceChannelLock ChannelLock;
//! \writeme
typedef SurfaceChannelLockConst ChannelLockConst;
//! \writeme
typedef SurfaceColorSystem;
//! \writeme
class Lock
{
Handle x;
public:
Lock(const Handle& x):x(x) { x->lock(); }
void unlock() { if(x){ x->unlock(); x=0; } }
~Lock() { unlock(); }
}; // END of class Lock
friend class Lock;
private:
//! \writeme
class ChannelData;
/*
-- ** -- D A T A -------------------------------------------------------------
*/
private:
//! \writeme
RecMutex mutex_;
//! \writeme
int w_,h_;
//! \writeme
ColorSystem color_system_;
//! \writeme
bool premult_flag_;
//! \writeme
std::map<Channel,ChannelData> channel_map_;
/*
-- ** -- S I G N A L S -------------------------------------------------------
*/
private:
/*
-- ** -- S I G N A L I N T E R F A C E -------------------------------------
*/
public:
/*
-- ** -- C O N S T R U C T O R S ---------------------------------------------
*/
protected:
//! \writeme
SurfaceNew();
public:
//! \writeme
virtual ~SurfaceNew();
/*
-- ** -- M E M B E R F U N C T I O N S -------------------------------------
*/
public:
//! \writeme
int get_w()const;
//! \writeme
int get_h()const;
//! \writeme
void set_wh(int w, int h);
//! \writeme
ColorSystem get_color_system()const;
//! \writeme
void set_color_system(ColorSystem x);
//! Should only be used in certain circumstances
Color get_color(int x, int y)const;
//! \writeme
void lock();
//! \writeme
void unlock();
//! \writeme
bool trylock();
//! \writeme
ChannelLock lock_channel(Channel chan);
//! \writeme
ChannelLockConst lock_channel_const(Channel chan)const;
//! \writeme
ChannelLock lock_channel_alpha(Channel chan);
//! \writeme
ChannelLockConst lock_channel_alpha_const(Channel chan)const;
//! \writeme
bool is_channel_defined(Channel chan)const;
//! \writeme
bool get_premult()const;
//! \writeme
void set_premult();
/*
-- ** -- S T A T I C F U N C T I O N S -------------------------------------
*/
public:
//! Normal SurfaceNew Constructor
static Handle create(int w=0, int h=0, ColorSystem sys=COLORSYS_RGB);
//! Converts an old Surface to a SurfaceNew
static Handle create(const Surface&);
//! Duplicates a surface
static Handle create(HandleConst);
//! Creates a cropped copy of a surface
static Handle crop(HandleConst, int x, int y, int w, int h);
static void blit(
Handle dest,
int x_dest,
int y_dest,
HandleConst src,
float amount=1.0,
Color::BlendMethod bm=Color::BLEND_COMPOSITE
);
static void blit(
Handle dest,
int x_dest,
int y_dest,
Handle src,
int x_src,
int y_src,
int w_src,
int h_src,
float amount=1.0,
Color::BlendMethod bm=Color::BLEND_COMPOSITE
);
static void chan_mlt(ChannelLock& dest, float x);
static void chan_mlt(ChannelLock& dest, const ChannelLockConst& x);
static void chan_div(ChannelLock& dest, float x);
static void chan_div(ChannelLock& dest, const ChannelLockConst& x);
static void chan_add(ChannelLock& dest, float x);
static void chan_add(ChannelLock& dest, const ChannelLockConst& x);
static void chan_sub(ChannelLock& dest, float x);
static void chan_sub(ChannelLock& dest, const ChannelLockConst& x);
}; // END of class SurfaceNew
//! \writeme
class SurfaceChannelLockConst
{
friend class SurfaceNew;
/*
-- ** -- T Y P E S -----------------------------------------------------------
*/
public:
/*
-- ** -- D A T A -------------------------------------------------------------
*/
protected:
//! \writeme
SurfaceNew::Handle surface_;
//! \writeme
etl::reference_counter ref_count_;
//! \writeme
SurfaceChannel channel_;
//! \writeme
bool data_ptr_checked_out_;
/*
-- ** -- C O N S T R U C T O R S ---------------------------------------------
*/
public:
SurfaceChannelLockConst();
//! \writeme
~SurfaceChannelLockConst();
/*
-- ** -- M E M B E R F U N C T I O N S -------------------------------------
*/
public:
//! \writeme
SurfaceChannel get_channel()const;
//! \writeme
int get_w()const;
//! \writeme
int get_h()const;
//! \writeme
float get_value(int x, int y);
//! \writeme
const float* get_data_ptr()const;
//! \writeme
int get_data_ptr_stride()const;
//! Releases the pointer obtained with get_data_ptr()
void release_data_ptr()const;
//! \writeme
operator bool()const;
}; // END of class SurfaceChannelLockConst
//! \writeme
class SurfaceChannelLock : public SurfaceChannelLockConst
{
friend class SurfaceNew;
using SurfaceChannelLock::get_data_ptr;
/*
-- ** -- T Y P E S -----------------------------------------------------------
*/
public:
/*
-- ** -- D A T A -------------------------------------------------------------
*/
private:
/*
-- ** -- C O N S T R U C T O R S ---------------------------------------------
*/
public:
//! \writeme
SurfaceChannelLock();
//! \writeme
~SurfaceChannelLock();
/*
-- ** -- M E M B E R F U N C T I O N S -------------------------------------
*/
public:
//! \writeme
void clear();
//! \writeme
void fill(float value);
//! \writeme
void set_value(int x, int y, float v);
float* get_data_ptr();
}; // END of class ChannelLock
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif
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