X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_gradient%2Fspiralgradient.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_gradient%2Fspiralgradient.cpp;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=81bd99d3853fb5644b9374d1d52a9706148c7b0c;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/trunk/src/modules/mod_gradient/spiralgradient.cpp b/synfig-core/trunk/src/modules/mod_gradient/spiralgradient.cpp deleted file mode 100644 index 81bd99d..0000000 --- a/synfig-core/trunk/src/modules/mod_gradient/spiralgradient.cpp +++ /dev/null @@ -1,246 +0,0 @@ -/* === S Y N F I G ========================================================= */ -/*! \file spiralgradient.cpp -** \brief Implementation of the "Spiral Gradient" 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 -*/ -/* ========================================================================= */ - -/* === H E A D E R S ======================================================= */ - -#ifdef USING_PCH -# include "pch.h" -#else -#ifdef HAVE_CONFIG_H -# include -#endif - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "spiralgradient.h" - -#endif - -/* === U S I N G =========================================================== */ - -using namespace etl; -using namespace std; -using namespace synfig; - -/* === G L O B A L S ======================================================= */ - -SYNFIG_LAYER_INIT(SpiralGradient); -SYNFIG_LAYER_SET_NAME(SpiralGradient,"spiral_gradient"); -SYNFIG_LAYER_SET_LOCAL_NAME(SpiralGradient,N_("Spiral Gradient")); -SYNFIG_LAYER_SET_CATEGORY(SpiralGradient,N_("Gradients")); -SYNFIG_LAYER_SET_VERSION(SpiralGradient,"0.1"); -SYNFIG_LAYER_SET_CVS_ID(SpiralGradient,"$Id$"); - -/* === 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 ================================================= */ - -SpiralGradient::SpiralGradient(): - Layer_Composite(1.0,Color::BLEND_STRAIGHT), - gradient(Color::black(),Color::white()), - center(0,0), - radius(0.5), - angle(Angle::zero()), - clockwise(false) -{ -} - -bool -SpiralGradient::set_param(const String & param, const ValueBase &value) -{ - IMPORT(gradient); - IMPORT(center); - IMPORT(radius); - IMPORT(angle); - IMPORT(clockwise); - - return Layer_Composite::set_param(param,value); -} - -ValueBase -SpiralGradient::get_param(const String ¶m)const -{ - EXPORT(gradient); - EXPORT(center); - EXPORT(radius); - EXPORT(angle); - EXPORT(clockwise); - - EXPORT_NAME(); - EXPORT_VERSION(); - - return Layer_Composite::get_param(param); -} - -Layer::Vocab -SpiralGradient::get_param_vocab()const -{ - Layer::Vocab ret(Layer_Composite::get_param_vocab()); - - ret.push_back(ParamDesc("gradient") - .set_local_name(_("Gradient")) - ); - - ret.push_back(ParamDesc("center") - .set_local_name(_("Center")) - ); - - ret.push_back(ParamDesc("radius") - .set_local_name(_("Radius")) - .set_description(_("This is the radius of the circle")) - .set_is_distance() - .set_origin("center") - ); - - ret.push_back(ParamDesc("angle") - .set_local_name(_("Angle")) - .set_origin("center") - ); - - ret.push_back(ParamDesc("clockwise") - .set_local_name(_("Clockwise")) - ); - - return ret; -} - -inline Color -SpiralGradient::color_func(const Point &pos, float supersample)const -{ - const Point centered(pos-center); - Angle a; - a=Angle::tan(-centered[1],centered[0]).mod(); - a=a+angle; - - if(supersample<0.00001)supersample=0.00001; - - Real dist((pos-center).mag()/radius); - if(clockwise) - dist+=Angle::rot(a.mod()).get(); - else - dist-=Angle::rot(a.mod()).get(); - - dist-=floor(dist); - if(dist+supersample*0.5>1.0) - { - float left(supersample*0.5-(dist-1.0)); - float right(supersample*0.5+(dist-1.0)); - Color pool(gradient(1.0-(left*0.5),left).premult_alpha()*left/supersample); - pool+=gradient(right*0.5,right).premult_alpha()*right/supersample; - return pool.demult_alpha(); - } - if(dist-supersample*0.5<0.0) - { - float left(supersample*0.5-dist); - float right(supersample*0.5+dist); - Color pool(gradient(right*0.5,right).premult_alpha()*right/supersample); - pool+=gradient(1.0-left*0.5,left).premult_alpha()*left/supersample; - return pool.demult_alpha(); - } - - return gradient(dist,supersample); -} - -float -SpiralGradient::calc_supersample(const synfig::Point &x, float pw,float /*ph*/)const -{ - return (1.41421*pw/radius+(1.41421*pw/Point(x-center).mag())/(PI*2))*0.5; -} - -synfig::Layer::Handle -SpiralGradient::hit_check(synfig::Context context, const synfig::Point &point)const -{ - if(get_blend_method()==Color::BLEND_STRAIGHT && get_amount()>=0.5) - return const_cast(this); - if(get_amount()==0.0) - return context.hit_check(point); - if((get_blend_method()==Color::BLEND_STRAIGHT || get_blend_method()==Color::BLEND_COMPOSITE) && color_func(point).get_a()>0.5) - return const_cast(this); - return context.hit_check(point); -} - -Color -SpiralGradient::get_color(Context context, const Point &pos)const -{ - const Color color(color_func(pos)); - - if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT) - return color; - else - return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method()); -} - -bool -SpiralGradient::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const -{ - SuperCallback supercb(cb,0,9500,10000); - - if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT) - { - surface->set_wh(renddesc.get_w(),renddesc.get_h()); - } - else - { - if(!context.accelerated_render(surface,quality,renddesc,&supercb)) - return false; - if(get_amount()==0) - return true; - } - - - int x,y; - - Surface::pen pen(surface->begin()); - const Real pw(renddesc.get_pw()),ph(renddesc.get_ph()); - Point pos; - Point tl(renddesc.get_tl()); - const int w(surface->get_w()); - const int h(surface->get_h()); - - if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT) - { - for(y=0,pos[1]=tl[1];yamount_complete(10000,10000)) - return false; - - return true; -}