From: dooglus Date: Tue, 4 Sep 2007 11:40:01 +0000 (+0000) Subject: A more up-to-date version of this file is in synfig-core/src/modules/mod_gradient... X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=467c880d14505e337dc2b740807204379c7233b6;p=synfig.git A more up-to-date version of this file is in synfig-core/src/modules/mod_gradient/radialgradient.cpp. This version isn't used. git-svn-id: http://svn.voria.com/code@583 1f10aa63-cdf2-0310-b900-c93c546f37ac --- diff --git a/synfig-core/trunk/src/modules/lyr_std/radialgradient.cpp b/synfig-core/trunk/src/modules/lyr_std/radialgradient.cpp deleted file mode 100644 index 373ac26..0000000 --- a/synfig-core/trunk/src/modules/lyr_std/radialgradient.cpp +++ /dev/null @@ -1,256 +0,0 @@ -/* === S Y N F I G ========================================================= */ -/*! \file lyr_std/radialgradient.cpp -** \brief Template Header -** -** $Id$ -** -** \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 "radialgradient.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(RadialGradient); -SYNFIG_LAYER_SET_NAME(RadialGradient,"radial_gradient"); -SYNFIG_LAYER_SET_LOCAL_NAME(RadialGradient,_("Radial Gradient")); -SYNFIG_LAYER_SET_CATEGORY(RadialGradient,_("Gradients")); -SYNFIG_LAYER_SET_VERSION(RadialGradient,"0.1"); -SYNFIG_LAYER_SET_CVS_ID(RadialGradient,"$Id$"); - -/* === 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 ================================================= */ - -RadialGradient::RadialGradient(): - Layer_Composite(1.0,Color::BLEND_STRAIGHT), - gradient(Color::black(),Color::white()), - center(0,0), - radius(0.5), - loop(false), - zigzag(false) -{ -} - -bool -RadialGradient::set_param(const String & param, const ValueBase &value) -{ - IMPORT(gradient); - IMPORT(center); - IMPORT(radius); - IMPORT(loop); - IMPORT(zigzag); - - return Layer_Composite::set_param(param,value); -} - -ValueBase -RadialGradient::get_param(const String ¶m)const -{ - EXPORT(gradient); - EXPORT(center); - EXPORT(radius); - EXPORT(loop); - EXPORT(zigzag); - - EXPORT_NAME(); - EXPORT_VERSION(); - - return Layer_Composite::get_param(param); -} - -Layer::Vocab -RadialGradient::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_origin("center") - ); - - ret.push_back(ParamDesc("loop") - .set_local_name(_("Loop")) - ); - - ret.push_back(ParamDesc("zigzag") - .set_local_name(_("Zig-Zag")) - ); - - return ret; -} - -inline Color -RadialGradient::color_func(const Point &point, float supersample)const -{ - Real dist((point-center).mag()/radius); - - if(zigzag) - { - dist*=2.0; - supersample*=2.0; - if(dist>1)dist=2.0-dist; - } - - if(loop) - { - dist-=floor(dist); - - if(dist+supersample*0.5>1.0) - { - Color pool(gradient(dist,supersample*0.5)*(1.0-(dist-supersample*0.5))); - pool+=gradient((dist+supersample*0.5)-1.0,supersample*0.5)*((dist+supersample*0.5)-1.0); - if(pool.get_a() && pool.is_valid()) - { - pool.set_r(pool.get_r()/pool.get_a()); - pool.set_g(pool.get_g()/pool.get_a()); - pool.set_b(pool.get_b()/pool.get_a()); - pool.set_a(pool.get_a()/supersample); - } - return pool; - } - if(dist-supersample*0.5<0.0) - { - Color pool(gradient(dist,supersample*0.5)*(dist+supersample*0.5)); - pool+=gradient(1.0-(dist-supersample*0.5),supersample*0.5)*(-(dist-supersample*0.5)); - if(pool.get_a() && pool.is_valid()) - { - pool.set_r(pool.get_r()/pool.get_a()); - pool.set_g(pool.get_g()/pool.get_a()); - pool.set_b(pool.get_b()/pool.get_a()); - pool.set_a(pool.get_a()/supersample); - return pool; - } - } - } - - return gradient(dist,supersample); -} - - -float -RadialGradient::calc_supersample(const synfig::Point &x, float pw,float ph)const -{ -// return sqrt(pw*pw+ph*ph)/radius; - return 1.2*pw/radius; -} - -synfig::Layer::Handle -RadialGradient::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 -RadialGradient::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 -RadialGradient::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; -}