marked stable

[synfig.git] / synfig-core / tags / stable / src / modules / lyr_std / insideout.cpp

diff --git a/synfig-core/tags/stable/src/modules/lyr_std/insideout.cpp b/synfig-core/tags/stable/src/modules/lyr_std/insideout.cpp
new file mode 100644 (file)
index 0000000..b1af4f4
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+++ b/synfig-core/tags/stable/src/modules/lyr_std/insideout.cpp
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+/*! ========================================================================
+** Sinfg
+** Template File
+** $Id: insideout.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+**
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This software and associated documentation
+** are CONFIDENTIAL and PROPRIETARY property of
+** the above-mentioned copyright holder.
+**
+** You may not copy, print, publish, or in any
+** other way distribute this software without
+** a prior written agreement with
+** the copyright holder.
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include "insideout.h"
+
+#include <sinfg/string.h>
+#include <sinfg/time.h>
+#include <sinfg/context.h>
+#include <sinfg/paramdesc.h>
+#include <sinfg/renddesc.h>
+#include <sinfg/surface.h>
+#include <sinfg/value.h>
+#include <sinfg/valuenode.h>
+#include <sinfg/transform.h>
+
+#endif
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+SINFG_LAYER_INIT(InsideOut);
+SINFG_LAYER_SET_NAME(InsideOut,"inside_out");
+SINFG_LAYER_SET_LOCAL_NAME(InsideOut,_("InsideOut"));
+SINFG_LAYER_SET_CATEGORY(InsideOut,_("Distortions"));
+SINFG_LAYER_SET_VERSION(InsideOut,"0.1");
+SINFG_LAYER_SET_CVS_ID(InsideOut,"$Id: insideout.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+InsideOut::InsideOut():
+       origin(0,0)
+{
+}
+       
+bool
+InsideOut::set_param(const String & param, const ValueBase &value)
+{
+       IMPORT(origin);
+       return false;
+}
+
+ValueBase
+InsideOut::get_param(const String & param)const
+{
+       EXPORT(origin);
+       
+       EXPORT_NAME();
+       EXPORT_VERSION();
+               
+       return ValueBase();     
+}
+
+sinfg::Layer::Handle
+InsideOut::hit_check(sinfg::Context context, const sinfg::Point &p)const
+{
+       Point pos(p-origin);
+       Real inv_mag=pos.inv_mag();
+       Point invpos(pos*inv_mag*inv_mag);
+       return context.hit_check(invpos+origin);
+}
+
+Color
+InsideOut::get_color(Context context, const Point &p)const
+{
+       Point pos(p-origin);
+       Real inv_mag=pos.inv_mag();
+       Point invpos(pos*inv_mag*inv_mag);
+       return context.get_color(invpos+origin);
+}
+
+class InsideOut_Trans : public Transform
+{
+       etl::handle<const InsideOut> layer;
+public:
+       InsideOut_Trans(const InsideOut* x):layer(x) { }
+       
+       sinfg::Vector perform(const sinfg::Vector& x)const
+       {
+               Point pos(x-layer->origin);
+               Real inv_mag=pos.inv_mag();
+               if(!isnan(inv_mag))
+                       return (pos*(inv_mag*inv_mag)+layer->origin);
+               return x;
+       }
+       
+       sinfg::Vector unperform(const sinfg::Vector& x)const
+       {
+               Point pos(x-layer->origin);
+               Real inv_mag=pos.inv_mag();
+               if(!isnan(inv_mag))
+                       return (pos*(inv_mag*inv_mag)+layer->origin);
+               return x;
+       }
+};
+etl::handle<Transform>
+InsideOut::get_transform()const
+{
+       return new InsideOut_Trans(this);
+}
+
+Layer::Vocab
+InsideOut::get_param_vocab()const
+{
+       Layer::Vocab ret;
+       
+       ret.push_back(ParamDesc("origin")
+               .set_local_name(_("Origin"))
+               .set_description(_("Defines the where the center will be"))
+       );
+       
+       return ret;
+}