/* === S Y N F I G ========================================================= */
/*! \file xorpattern.cpp
-** \brief Template Header
+** \brief Implementation of the "XOR Pattern" layer
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007-2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
/* === G L O B A L S ======================================================= */
SYNFIG_LAYER_INIT(XORPattern);
-SYNFIG_LAYER_SET_NAME(XORPattern,"XORPattern");
-SYNFIG_LAYER_SET_LOCAL_NAME(XORPattern,_("XOR Pattern"));
-SYNFIG_LAYER_SET_CATEGORY(XORPattern,_("Other"));
+SYNFIG_LAYER_SET_NAME(XORPattern,"xor_pattern");
+SYNFIG_LAYER_SET_LOCAL_NAME(XORPattern,N_("XOR Pattern"));
+SYNFIG_LAYER_SET_CATEGORY(XORPattern,N_("Other"));
SYNFIG_LAYER_SET_VERSION(XORPattern,"0.1");
SYNFIG_LAYER_SET_CVS_ID(XORPattern,"$Id$");
/* === M E T H O D S ======================================================= */
XORPattern::XORPattern():
- pos(0.125,0.125),
+ Layer_Composite (1.0,Color::BLEND_STRAIGHT),
+ origin(0.125,0.125),
size(0.25,0.25)
{
}
bool
XORPattern::set_param(const String & param, const ValueBase &value)
{
- IMPORT(pos);
+ IMPORT(origin);
IMPORT(size);
- return false;
+
+ IMPORT_AS(origin,"pos");
+
+ return Layer_Composite::set_param(param,value);
}
ValueBase
XORPattern::get_param(const String & param)const
{
- EXPORT(pos);
+ EXPORT(origin);
EXPORT(size);
EXPORT_NAME();
EXPORT_VERSION();
- return ValueBase();
+ return Layer_Composite::get_param(param);
}
Color
XORPattern::get_color(Context context, const Point &point)const
{
- unsigned int a=(unsigned int)floor((point[0]+pos[0])/size[0]), b=(unsigned int)floor((point[1]+pos[1])/size[1]);
+ if(get_amount()==0.0)
+ return context.get_color(point);
+
+ unsigned int a=(unsigned int)floor((point[0]-origin[0])/size[0]), b=(unsigned int)floor((point[1]-origin[1])/size[1]);
unsigned char rindex=(a^b);
unsigned char gindex=(a^(~b))*4;
unsigned char bindex=~(a^b)*2;
- return Color((Color::value_type)rindex/(Color::value_type)255.0,(Color::value_type)gindex/(Color::value_type)255.0,(Color::value_type)bindex/(Color::value_type)255.0,1.0);
+ Color color((Color::value_type)rindex/(Color::value_type)255.0,
+ (Color::value_type)gindex/(Color::value_type)255.0,
+ (Color::value_type)bindex/(Color::value_type)255.0,
+ 1.0);
+
+ if(get_amount() == 1 && get_blend_method() == Color::BLEND_STRAIGHT)
+ return color;
+ else
+ return Color::blend(color,context.get_color(point),get_amount(),get_blend_method());
+
}
Layer::Vocab
XORPattern::get_param_vocab()const
{
- Layer::Vocab ret;
+ Layer::Vocab ret(Layer_Composite::get_param_vocab());
- ret.push_back(ParamDesc("pos")
- .set_local_name(_("Offset"))
+ ret.push_back(ParamDesc("origin")
+ .set_local_name(_("Origin"))
);
ret.push_back(ParamDesc("size")
.set_local_name(_("Size"))
- .set_origin("pos")
+ .set_origin("origin")
);
return ret;
}
+
+synfig::Layer::Handle
+XORPattern::hit_check(synfig::Context context, const synfig::Point &getpos)const
+{
+ // if we have a zero amount
+ if(get_amount()==0.0)
+ // then the click passes down to our context
+ return context.hit_check(getpos);
+
+ synfig::Layer::Handle tmp;
+ // if we are behind the context, and the click hits something in the context
+ if(get_blend_method()==Color::BLEND_BEHIND && (tmp=context.hit_check(getpos)))
+ // then return the thing it hit in the context
+ return tmp;
+
+ // if we're using an 'onto' blend method and the click missed the context
+ if(Color::is_onto(get_blend_method()) && !(tmp=context.hit_check(getpos)))
+ // then it misses everything
+ return 0;
+
+ // otherwise the click hit us, since we're the size of the whole plane
+ return const_cast<XORPattern*>(this);
+}