Remove ancient trunk folder from svn repository

[synfig.git] / synfig-core / src / modules / lyr_std / translate.cpp

diff --git a/synfig-core/src/modules/lyr_std/translate.cpp b/synfig-core/src/modules/lyr_std/translate.cpp
new file mode 100644 (file)
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+++ b/synfig-core/src/modules/lyr_std/translate.cpp
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+/* === S Y N F I G ========================================================= */
+/*!    \file translate.cpp
+**     \brief Implementation of the "Translate" layer
+**
+**     $Id$
+**
+**     \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
+**
+** === 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 "translate.h"
+#include <synfig/string.h>
+#include <synfig/time.h>
+#include <synfig/context.h>
+#include <synfig/paramdesc.h>
+#include <synfig/renddesc.h>
+#include <synfig/surface.h>
+#include <synfig/value.h>
+#include <synfig/valuenode.h>
+#include <synfig/canvas.h>
+#include <synfig/transform.h>
+
+#endif
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_LAYER_INIT(Translate);
+SYNFIG_LAYER_SET_NAME(Translate,"translate");
+SYNFIG_LAYER_SET_LOCAL_NAME(Translate,N_("Translate"));
+SYNFIG_LAYER_SET_CATEGORY(Translate,N_("Transform"));
+SYNFIG_LAYER_SET_VERSION(Translate,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(Translate,"$Id$");
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+/* === E N T R Y P O I N T ================================================= */
+
+Translate::Translate():origin(0,0)
+{
+}
+
+Translate::~Translate()
+{
+}
+
+bool
+Translate::set_param(const String & param, const ValueBase &value)
+{
+       IMPORT(origin);
+
+       return false;
+}
+
+ValueBase
+Translate::get_param(const String& param)const
+{
+       EXPORT(origin);
+       EXPORT_NAME();
+       EXPORT_VERSION();
+
+       return ValueBase();
+}
+
+Layer::Vocab
+Translate::get_param_vocab()const
+{
+       Layer::Vocab ret;
+
+       ret.push_back(ParamDesc("origin")
+               .set_local_name(_("Origin"))
+               .set_description(_("Point where you want the origin to be"))
+       );
+
+       return ret;
+}
+
+synfig::Layer::Handle
+Translate::hit_check(synfig::Context context, const synfig::Point &pos)const
+{
+       return context.hit_check(pos-origin);
+}
+
+Color
+Translate::get_color(Context context, const Point &pos)const
+{
+       return context.get_color(pos-origin);
+}
+
+class Translate_Trans : public Transform
+{
+       etl::handle<const Translate> layer;
+public:
+       Translate_Trans(const Translate* x):Transform(x->get_guid()),layer(x) { }
+
+       synfig::Vector perform(const synfig::Vector& x)const
+       {
+               return x+layer->origin;
+       }
+
+       synfig::Vector unperform(const synfig::Vector& x)const
+       {
+               return x-layer->origin;
+       }
+};
+etl::handle<Transform>
+Translate::get_transform()const
+{
+       return new Translate_Trans(this);
+}
+
+bool
+Translate::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
+{
+       RendDesc desc(renddesc);
+
+       desc.clear_flags();
+       desc.set_tl(desc.get_tl()-origin);
+       desc.set_br(desc.get_br()-origin);
+
+       // Render the scene
+       if(!context.accelerated_render(surface,quality,desc,cb))
+       {
+               if(cb)cb->error(strprintf(__FILE__"%d: Accelerated Renderer Failure",__LINE__));
+               return false;
+       }
+
+       return true;
+}
+
+Rect
+Translate::get_full_bounding_rect(Context context)const
+{
+       return context.get_full_bounding_rect() + origin;
+}