--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \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
projects / synfig.git / blobdiff