+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file halftone3.cpp
-** \brief Implementation of the "Halftone 3" 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
-** 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
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "halftone3.h"
-#include "halftone.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>
-
-#endif
-
-/* === M A C R O S ========================================================= */
-
-using namespace synfig;
-using namespace std;
-using namespace etl;
-
-/* === G L O B A L S ======================================================= */
-
-SYNFIG_LAYER_INIT(Halftone3);
-SYNFIG_LAYER_SET_NAME(Halftone3,"halftone3");
-SYNFIG_LAYER_SET_LOCAL_NAME(Halftone3,N_("Halftone 3"));
-SYNFIG_LAYER_SET_CATEGORY(Halftone3,N_("Filters"));
-SYNFIG_LAYER_SET_VERSION(Halftone3,"0.0");
-SYNFIG_LAYER_SET_CVS_ID(Halftone3,"$Id$");
-
-/* === P R O C E D U R E S ================================================= */
-
-#define HALFSQRT2 (0.7)
-#define SQRT2 (1.414213562f)
-
-/* === M E T H O D S ======================================================= */
-
-Halftone3::Halftone3()
-{
- size=(synfig::Vector(0.25,0.25));
- type=TYPE_SYMMETRIC;
-
- for(int i=0;i<3;i++)
- {
- tone[i].size=size;
- tone[i].type=type;
- tone[i].origin=(synfig::Point(0,0));
- tone[i].angle=Angle::deg(30.0)*(float)i;
- }
-
- subtractive=true;
-
- if(subtractive)
- {
- color[0]=Color::cyan();
- color[1]=Color::magenta();
- color[2]=Color::yellow();
- }
- else
- {
- color[0]=Color::red();
- color[1]=Color::green();
- color[2]=Color::blue();
- }
-
- set_blend_method(Color::BLEND_STRAIGHT);
-
- for(int i=0;i<3;i++)
- for(int j=0;j<3;j++)
- inverse_matrix[i][j]=(j==i)?1.0f:0.0f;
-
- sync();
-}
-
-void
-Halftone3::sync()
-{
- for(int i=0;i<3;i++)
- {
- tone[i].size=size;
- tone[i].type=type;
- }
-
-#define matrix inverse_matrix
- //float matrix[3][3];
-
- if(subtractive)
- {
- for(int i=0;i<3;i++)
- {
- matrix[i][0]=1.0f-(color[i].get_r());
- matrix[i][1]=1.0f-(color[i].get_g());
- matrix[i][2]=1.0f-(color[i].get_b());
- float mult=sqrt(matrix[i][0]*matrix[i][0]+matrix[i][1]*matrix[i][1]+matrix[i][2]*matrix[i][2]);
- if(mult)
- {
- matrix[i][0]/=mult;
- matrix[i][1]/=mult;
- matrix[i][2]/=mult;
- matrix[i][0]/=mult;
- matrix[i][1]/=mult;
- matrix[i][2]/=mult;
- }
- }
- }
- else
- {
- for(int i=0;i<3;i++)
- {
- matrix[i][0]=color[i].get_r();
- matrix[i][1]=color[i].get_g();
- matrix[i][2]=color[i].get_b();
- float mult=sqrt(matrix[i][0]*matrix[i][0]+matrix[i][1]*matrix[i][1]+matrix[i][2]*matrix[i][2]);
- if(mult)
- {
- matrix[i][0]/=mult;
- matrix[i][1]/=mult;
- matrix[i][2]/=mult;
- matrix[i][0]/=mult;
- matrix[i][1]/=mult;
- matrix[i][2]/=mult;
- }
- }
- }
-#undef matrix
-
-
-
-#if 0
- // Insert guass-jordan elimination code here
- int k=0,i=0,j=0,z_size=3;
-#define A inverse_matrix
-
- for (k=0;k<z_size;k++)
- // the pivot element
- { A[k][k]= -1/A[k][k];
-
- //the pivot column
- for (i=0;i<z_size;i++)
- if (i!=k) A[i][k]*=A[k][k];
-
- //elements not in a pivot row or column
- for (i=0;i<z_size;i++)
- if (i!=k)
- for (j=0;j<z_size;j++)
- if (j!=k)
- A[i][j]+=A[i][k]*A[k][j];
-
- //elements in a pivot row
- for (i=0;i<z_size;i++)
- if (i!=k)
- A[k][i]*=A[k][k];
- }
-
- //change sign
- for (i=0;i<z_size;i++) /*reverse sign*/
- for (j=0;j<z_size;j++)
- A[i][j]=-A[i][j];
-#undef A
-#endif
-}
-
-inline Color
-Halftone3::color_func(const Point &point, float supersample,const Color& in_color)const
-{
- Color halfcolor;
-
- float chan[3];
-
-
- if(subtractive)
- {
- chan[0]=inverse_matrix[0][0]*(1.0f-in_color.get_r())+inverse_matrix[0][1]*(1.0f-in_color.get_g())+inverse_matrix[0][2]*(1.0f-in_color.get_b());
- chan[1]=inverse_matrix[1][0]*(1.0f-in_color.get_r())+inverse_matrix[1][1]*(1.0f-in_color.get_g())+inverse_matrix[1][2]*(1.0f-in_color.get_b());
- chan[2]=inverse_matrix[2][0]*(1.0f-in_color.get_r())+inverse_matrix[2][1]*(1.0f-in_color.get_g())+inverse_matrix[2][2]*(1.0f-in_color.get_b());
-
- halfcolor=Color::white();
- halfcolor-=(~color[0])*tone[0](point,chan[0],supersample);
- halfcolor-=(~color[1])*tone[1](point,chan[1],supersample);
- halfcolor-=(~color[2])*tone[2](point,chan[2],supersample);
-
- halfcolor.set_a(in_color.get_a());
- }
- else
- {
- chan[0]=inverse_matrix[0][0]*in_color.get_r()+inverse_matrix[0][1]*in_color.get_g()+inverse_matrix[0][2]*in_color.get_b();
- chan[1]=inverse_matrix[1][0]*in_color.get_r()+inverse_matrix[1][1]*in_color.get_g()+inverse_matrix[1][2]*in_color.get_b();
- chan[2]=inverse_matrix[2][0]*in_color.get_r()+inverse_matrix[2][1]*in_color.get_g()+inverse_matrix[2][2]*in_color.get_b();
-
- halfcolor=Color::black();
- halfcolor+=color[0]*tone[0](point,chan[0],supersample);
- halfcolor+=color[1]*tone[1](point,chan[1],supersample);
- halfcolor+=color[2]*tone[2](point,chan[2],supersample);
-
- halfcolor.set_a(in_color.get_a());
- }
-
- return halfcolor;
-}
-
-inline float
-Halftone3::calc_supersample(const synfig::Point &/*x*/, float pw,float /*ph*/)const
-{
- return abs(pw/(tone[0].size).mag());
-}
-
-synfig::Layer::Handle
-Halftone3::hit_check(synfig::Context /*context*/, const synfig::Point &/*point*/)const
-{
- return const_cast<Halftone3*>(this);
-}
-
-bool
-Halftone3::set_param(const String & param, const ValueBase &value)
-{
- IMPORT_PLUS(size, {tone[0].size=size; tone[1].size=size; tone[2].size=size;});
- IMPORT_PLUS(type, {tone[0].type=type; tone[1].type=type; tone[2].type=type;});
-
- IMPORT_PLUS(color[0],sync());
- IMPORT_PLUS(color[1],sync());
- IMPORT_PLUS(color[2],sync());
-
- IMPORT_PLUS(subtractive,sync());
-
- IMPORT(tone[0].angle);
- IMPORT(tone[0].origin);
-
- IMPORT(tone[1].angle);
- IMPORT(tone[1].origin);
-
- IMPORT(tone[2].angle);
- IMPORT(tone[2].origin);
-
- IMPORT_AS(tone[0].origin,"tone[0].offset");
- IMPORT_AS(tone[1].origin,"tone[1].offset");
- IMPORT_AS(tone[2].origin,"tone[2].offset");
-
- return Layer_Composite::set_param(param,value);
-}
-
-ValueBase
-Halftone3::get_param(const String & param)const
-{
- EXPORT(size);
- EXPORT(type);
-
- EXPORT(color[0]);
- EXPORT(color[1]);
- EXPORT(color[2]);
-
- EXPORT(subtractive);
-
- EXPORT(tone[0].angle);
- EXPORT(tone[0].origin);
-
- EXPORT(tone[1].angle);
- EXPORT(tone[1].origin);
-
- EXPORT(tone[2].angle);
- EXPORT(tone[2].origin);
-
- EXPORT_NAME();
- EXPORT_VERSION();
-
- return Layer_Composite::get_param(param);
-}
-
-Layer::Vocab
-Halftone3::get_param_vocab()const
-{
- Layer::Vocab ret(Layer_Composite::get_param_vocab());
-
- ret.push_back(ParamDesc("size")
- .set_local_name(_("Mask Size"))
- );
- ret.push_back(ParamDesc("type")
- .set_local_name(_(" Type"))
- .set_hint("enum")
- .add_enum_value(TYPE_SYMMETRIC,"symmetric",_("Symmetric"))
- .add_enum_value(TYPE_LIGHTONDARK,"lightondark",_("Light On Dark"))
- //.add_enum_value(TYPE_DARKONLIGHT,"darkonlight",_("Dark on Light"))
- .add_enum_value(TYPE_DIAMOND,"diamond",_("Diamond"))
- .add_enum_value(TYPE_STRIPE,"stripe",_("Stripe"))
- );
- ret.push_back(ParamDesc("subtractive")
- .set_local_name(_("Subtractive Flag"))
- );
-
- for(int i=0;i<3;i++)
- {
- String chan_name(strprintf("Chan%d",i));
-
- ret.push_back(ParamDesc(strprintf("color[%d]",i))
- .set_local_name(chan_name+_(" Color"))
- );
-
- ret.push_back(ParamDesc(strprintf("tone[%d].origin",i))
- .set_local_name(chan_name+_(" Mask Origin"))
- .set_is_distance()
- );
- ret.push_back(ParamDesc(strprintf("tone[%d].angle",i))
- .set_local_name(chan_name+_(" Mask Angle"))
- .set_origin(strprintf("tone[%d].origin",i))
- );
- }
-
- return ret;
-}
-
-Color
-Halftone3::get_color(Context context, const Point &point)const
-{
- const Color undercolor(context.get_color(point));
- const Color color(color_func(point,0,undercolor));
-
- if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT)
- return color;
- else
- return Color::blend(color,undercolor,get_amount(),get_blend_method());
-}
-
-bool
-Halftone3::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
- SuperCallback supercb(cb,0,9500,10000);
-
- if(!context.accelerated_render(surface,quality,renddesc,&supercb))
- return false;
- if(get_amount()==0)
- return true;
-
- const Real pw(renddesc.get_pw()),ph(renddesc.get_ph());
- const Point tl(renddesc.get_tl());
- const int w(surface->get_w());
- const int h(surface->get_h());
- const float supersample_size(abs(pw/(tone[0].size).mag()));
-
- Surface::pen pen(surface->begin());
- Point pos;
- int x,y;
-
- if(is_solid_color())
- {
- for(y=0,pos[1]=tl[1];y<h;y++,pen.inc_y(),pen.dec_x(x),pos[1]+=ph)
- for(x=0,pos[0]=tl[0];x<w;x++,pen.inc_x(),pos[0]+=pw)
- pen.put_value(
- color_func(
- pos,
- supersample_size,
- pen.get_value()
- )
- );
- }
- else
- {
- for(y=0,pos[1]=tl[1];y<h;y++,pen.inc_y(),pen.dec_x(x),pos[1]+=ph)
- for(x=0,pos[0]=tl[0];x<w;x++,pen.inc_x(),pos[0]+=pw)
- pen.put_value(
- Color::blend(
- color_func(
- pos,
- supersample_size,
- pen.get_value()
- ),
- pen.get_value(),
- get_amount(),
- get_blend_method()
- )
- );
- }
-
- // Mark our progress as finished
- if(cb && !cb->amount_complete(10000,10000))
- return false;
-
- return true;
-}
projects / synfig.git / blobdiff