-/* === S I N F G =========================================================== */
+/* === S Y N F I G ========================================================= */
/*! \file stretch.cpp
-** \brief Template Header
+** \brief Implementation of the "Stretch" layer
**
-** $Id: stretch.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+** $Id$
**
** \legal
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** 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.
**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
+** 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
*/
/* ========================================================================= */
/* === H E A D E R S ======================================================= */
-#define SINFG_NO_ANGLE
+#define SYNFIG_NO_ANGLE
#ifdef USING_PCH
# include "pch.h"
#endif
#include "stretch.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>
+#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/transform.h>
#endif
using namespace etl;
using namespace std;
-using namespace sinfg;
+using namespace synfig;
/* === G L O B A L S ======================================================= */
-SINFG_LAYER_INIT(Layer_Stretch);
-SINFG_LAYER_SET_NAME(Layer_Stretch,"stretch");
-SINFG_LAYER_SET_LOCAL_NAME(Layer_Stretch,_("Stretch"));
-SINFG_LAYER_SET_CATEGORY(Layer_Stretch,_("Distortions"));
-SINFG_LAYER_SET_VERSION(Layer_Stretch,"0.1");
-SINFG_LAYER_SET_CVS_ID(Layer_Stretch,"$Id: stretch.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+SYNFIG_LAYER_INIT(Layer_Stretch);
+SYNFIG_LAYER_SET_NAME(Layer_Stretch,"stretch");
+SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Stretch,N_("Stretch"));
+SYNFIG_LAYER_SET_CATEGORY(Layer_Stretch,N_("Distortions"));
+SYNFIG_LAYER_SET_VERSION(Layer_Stretch,"0.1");
+SYNFIG_LAYER_SET_CVS_ID(Layer_Stretch,"$Id$");
/* === P R O C E D U R E S ================================================= */
{
}
-
+
bool
Layer_Stretch::set_param(const String & param, const ValueBase &value)
{
IMPORT(amount);
IMPORT(center);
-
- return false;
+
+ return false;
}
ValueBase
EXPORT_NAME();
EXPORT_VERSION();
-
- return ValueBase();
+
+ return ValueBase();
}
Layer::Vocab
Layer_Stretch::get_param_vocab()const
{
Layer::Vocab ret;
-
+
ret.push_back(ParamDesc("amount")
.set_local_name(_("Amount"))
+ .set_origin("center")
);
ret.push_back(ParamDesc("center")
.set_local_name(_("Center"))
);
-
+
return ret;
}
-sinfg::Layer::Handle
-Layer_Stretch::hit_check(sinfg::Context context, const sinfg::Point &pos)const
+synfig::Layer::Handle
+Layer_Stretch::hit_check(synfig::Context context, const synfig::Point &pos)const
{
Point npos(pos);
npos[0]=(npos[0]-center[0])/amount[0]+center[0];
return context.get_color(npos);
}
-class Stretch_Trans : public Transform
+class Stretch_Trans : public Transform
{
etl::handle<const Layer_Stretch> layer;
public:
Stretch_Trans(const Layer_Stretch* x):Transform(x->get_guid()),layer(x) { }
-
- sinfg::Vector perform(const sinfg::Vector& x)const
+
+ synfig::Vector perform(const synfig::Vector& x)const
{
- return Vector((x[0]-layer->center[0])*layer->amount[0]+layer->center[0],(x[1]-layer->center[1])*layer->amount[1]+layer->center[1]);
+ return Vector((x[0]-layer->center[0])*layer->amount[0]+layer->center[0],
+ (x[1]-layer->center[1])*layer->amount[1]+layer->center[1]);
}
-
- sinfg::Vector unperform(const sinfg::Vector& x)const
+
+ synfig::Vector unperform(const synfig::Vector& x)const
{
- return Vector((x[0]-layer->center[0])/layer->amount[0]+layer->center[0],(x[1]-layer->center[1])/layer->amount[1]+layer->center[1]);
+ return Vector((x[0]-layer->center[0])/layer->amount[0]+layer->center[0],
+ (x[1]-layer->center[1])/layer->amount[1]+layer->center[1]);
}
};
etl::handle<Transform>
bool
Layer_Stretch::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
{
+ if (amount[0] == 0 || amount[1] == 0)
+ {
+ surface->set_wh(renddesc.get_w(), renddesc.get_h());
+ surface->clear();
+ return true;
+ }
+
RendDesc desc(renddesc);
desc.clear_flags();
// Adjust the top_left and bottom_right points
// Render the scene
return context.accelerated_render(surface,quality,desc,cb);
}
+
+Rect
+Layer_Stretch::get_full_bounding_rect(Context context)const
+{
+ Rect rect(context.get_full_bounding_rect());
+ Point min(rect.get_min()), max(rect.get_max());
+
+ return Rect(Point((min[0]-center[0])*amount[0]+center[0],
+ (min[1]-center[1])*amount[1]+center[1]),
+ Point((max[0]-center[0])*amount[0]+center[0],
+ (max[1]-center[1])*amount[1]+center[1]));
+}