** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007 Chris Moore
+** Copyright (c) 2010 Diego Barrios Romero
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
#include <sigc++/signal.h>
#include "string_decl.h"
#include <utility>
-//#include <list>
#include <map>
#include <ETL/handle>
#include "renddesc.h"
-//#include "general.h"
#include "color.h"
#include "canvas.h"
+#include "targetparam.h"
/* === M A C R O S ========================================================= */
-//! \writeme
-#define SYNFIG_TARGET_MODULE_EXT public: static const char name__[], version__[], ext__[],cvs_id__[]; static Target *create(const char *filename);
+//! Defines various variables and the create method, common for all Targets.
+//! To be used in the private part of the target class definition.
+#define SYNFIG_TARGET_MODULE_EXT \
+ public: static const char name__[], version__[], ext__[], cvs_id__[];\
+ static Target* create (const char *filename, synfig::TargetParam p);
//! Sets the name of the target
#define SYNFIG_TARGET_SET_NAME(class,x) const char class::name__[]=x
-//! \writeme
+//! Sets the primary file extension of the target
#define SYNFIG_TARGET_SET_EXT(class,x) const char class::ext__[]=x
//! Sets the version of the target
//! Sets the CVS ID of the target
#define SYNFIG_TARGET_SET_CVS_ID(class,x) const char class::cvs_id__[]=x
-//! \writeme
-#define SYNFIG_TARGET_INIT(class) synfig::Target* class::create(const char *filename) { return new class(filename); }
+//! Defines de implementation of the create method for the target
+//! \param filename The file name to be created by the target.
+//! |param p The parameters passed to the target (bit rate and vcodec)
+#define SYNFIG_TARGET_INIT(class) \
+ synfig::Target* class::create (const char *filename, \
+ synfig::TargetParam p) \
+ { return new class(filename, p); }
/* === T Y P E D E F S ===================================================== */
class RendDesc;
class Canvas;
class ProgressCallback;
+class TargetParam;
/*! \class Target
-** \brief Render-target
-** \todo writeme
+** \brief Used to produce rendered animations of the documents
+**
+* It is the base class for all the target renderers. It defines the has a static Book
+* pointer class that is a map for the targets factory creators and the strings
+* of the extension that the renderer can understand. It allows to create the a
+* pointer to a particular renderer just by using the extension of the name of file
+* to import. Also it creates a virtual member render() that must be declared in
+* the inherited classes.
*/
class Target : public etl::shared_object
{
public:
//! Type that represents a pointer to a Target's constructor.
/*! As a pointer to the constructor, it represents a "factory" of targets.
- ** Receives the output filename (including path).
+ ** Receives the output filename (including path) and the parameters of the target.
*/
- typedef Target* (*Factory)(const char *filename);
-
+ typedef Target* (*Factory)(const char *filename, TargetParam p);
+
struct BookEntry
{
Factory factory;
String filename; ///< Output filename including path
+ TargetParam target_param; ///< Target module parameters
};
//! Book of types of targets indexed by the name of the Target.
typedef std::map<String,BookEntry> Book;
+ //! Book of types of targets indexed by the file extension
typedef std::map<String,String> ExtBook;
//! Target Book, indexed by the target's name
static Book& book();
static ExtBook& ext_book();
+ //! Initializes the Target module by creating a book of targets names
+ //! and its creators
static bool subsys_init();
+ //! Stops the Target module by deleting the book and the extension book
static bool subsys_stop();
//! Adjusted Render description set by set_rend_desc()
RendDesc desc;
+ //! Canvas being rendered in this target module
+ //! \see set_canvas()
etl::handle<Canvas> canvas;
+ //! Render quality used for the render process of the target.
int quality_;
+ //! Gamma value used for the render process of the target
Gamma gamma_;
+ //! Used by non alpha supported targets to decide if the background
+ //! must be filled or not
bool remove_alpha;
+ //! When set to true, the target doesn't sync to canvas time.
bool avoid_time_sync_;
protected:
-
+ //! Default constructor
Target();
public:
virtual ~Target() { }
-
+ //! Gets the target quality
int get_quality()const { return quality_; }
-
+ //! Sets the target quality
void set_quality(int q) { quality_=q; }
-
+ //! Sets the target avoid time synchronization
void set_avoid_time_sync(bool x=true) { avoid_time_sync_=x; }
-
+ //! Gets the target avoid time synchronization
bool get_avoid_time_sync()const { return avoid_time_sync_; }
-
+ //! Gets the target remove alpha
bool get_remove_alpha()const { return remove_alpha; }
-
+ //! Sets the target remove alpha
void set_remove_alpha(bool x=true) { remove_alpha=x; }
-
+ //! Gets the target gamma
Gamma &gamma() { return gamma_; }
-
+ //! Sets the target gamma
const Gamma &gamma()const { return gamma_; }
-
+ //! Sets the target canvas. Must be defined by derived targets
virtual void set_canvas(etl::handle<Canvas> c);
-
+ //! Gets the target canvas.
const etl::handle<Canvas> &get_canvas()const { return canvas; }
-
+ //! Gets the target particular render description
RendDesc &rend_desc() { return desc; }
+ //! Gets the target particular render description
const RendDesc &rend_desc()const { return desc; }
-
- //! Renders the canvas to the target
- virtual bool render(ProgressCallback *cb=NULL)=0;
-
//! Sets the RendDesc for the Target to \a desc.
/*! If there are any parts of \a desc that the render target
** is not capable of doing, the render target will adjust
** \a desc to fit its needs.
*/
virtual bool set_rend_desc(RendDesc *d) { desc=*d; return true; }
-
+ //! Renders the canvas to the target
+ virtual bool render(ProgressCallback *cb=NULL)=0;
+ //! Initialization tasks of the derived target.
+ //! @returns true if the initialization has no errors
virtual bool init() { return true; }
//! Creates a new Target described by \a type, outputting to a file described by \a filename.
- static Handle create(const String &type, const String &filename);
+ static Handle create(const String &type, const String &filename,
+ synfig::TargetParam params);
}; // END of class Target
}; // END of namespace synfig
/* === E N D =============================================================== */
-#include "canvas.h"
#endif
projects / synfig.git / blobdiff