X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_gradient%2Flineargradient.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_gradient%2Flineargradient.cpp;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=be7155a06d2d761dbb785985e37ac5b673d8c52f;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/trunk/src/modules/mod_gradient/lineargradient.cpp b/synfig-core/trunk/src/modules/mod_gradient/lineargradient.cpp deleted file mode 100644 index be7155a..0000000 --- a/synfig-core/trunk/src/modules/mod_gradient/lineargradient.cpp +++ /dev/null @@ -1,259 +0,0 @@ -/* === S Y N F I G ========================================================= */ -/*! \file lineargradient.cpp -** \brief Implementation of the "Linear 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 -** -** === N O T E S =========================================================== -** -** ========================================================================= */ - -/* === H E A D E R S ======================================================= */ - -#ifdef USING_PCH -# include "pch.h" -#else -#ifdef HAVE_CONFIG_H -# include -#endif - -#include "lineargradient.h" - -#include -#include -#include -#include -#include -#include -#include -#include - -#endif - -/* === M A C R O S ========================================================= */ - -/* === G L O B A L S ======================================================= */ - -SYNFIG_LAYER_INIT(LinearGradient); -SYNFIG_LAYER_SET_NAME(LinearGradient,"linear_gradient"); -SYNFIG_LAYER_SET_LOCAL_NAME(LinearGradient,N_("Linear Gradient")); -SYNFIG_LAYER_SET_CATEGORY(LinearGradient,N_("Gradients")); -SYNFIG_LAYER_SET_VERSION(LinearGradient,"0.0"); -SYNFIG_LAYER_SET_CVS_ID(LinearGradient,"$Id$"); - -/* === P R O C E D U R E S ================================================= */ - -/* === M E T H O D S ======================================================= */ - -inline void -LinearGradient::sync() -{ - diff=(p2-p1); - const Real mag(diff.inv_mag()); - diff*=mag*mag; -} - - -LinearGradient::LinearGradient(): - p1(1,1), - p2(-1,-1), - gradient(Color::black(), Color::white()), - loop(false), - zigzag(false) -{ - sync(); -} - -inline Color -LinearGradient::color_func(const Point &point, float supersample)const -{ - Real dist(point*diff-p1*diff); - - if(loop) - dist-=floor(dist); - - if(zigzag) - { - dist*=2.0; - supersample*=2.0; - if(dist>1)dist=2.0-dist; - } - - if(loop) - { - 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); - if (zigzag) pool+=gradient(1.0-right*0.5,right).premult_alpha()*right/supersample; - else 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); - if (zigzag) pool+=gradient(left*0.5,left).premult_alpha()*left/supersample; - else pool+=gradient(1.0-left*0.5,left).premult_alpha()*left/supersample; - return pool.demult_alpha(); - } - } - return gradient(dist,supersample); -} - -float -LinearGradient::calc_supersample(const synfig::Point &/*x*/, float pw,float /*ph*/)const -{ - return pw/(p2-p1).mag(); -} - -synfig::Layer::Handle -LinearGradient::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); -} - -bool -LinearGradient::set_param(const String & param, const ValueBase &value) -{ - if(param=="p1" && value.same_type_as(p1)) - { - p1=value.get(p1); - sync(); - return true; - } - if(param=="p2" && value.same_type_as(p2)) - { - p2=value.get(p2); - sync(); - return true; - } - //IMPORT(p1); - //IMPORT(p2); - - - IMPORT(gradient); - IMPORT(loop); - IMPORT(zigzag); - return Layer_Composite::set_param(param,value); -} - -ValueBase -LinearGradient::get_param(const String & param)const -{ - EXPORT(p1); - EXPORT(p2); - EXPORT(gradient); - EXPORT(loop); - EXPORT(zigzag); - - EXPORT_NAME(); - EXPORT_VERSION(); - - return Layer_Composite::get_param(param); -} - -Layer::Vocab -LinearGradient::get_param_vocab()const -{ - Layer::Vocab ret(Layer_Composite::get_param_vocab()); - - ret.push_back(ParamDesc("p1") - .set_local_name(_("Point 1")) - .set_connect("p2") - ); - ret.push_back(ParamDesc("p2") - .set_local_name(_("Point 2")) - ); - ret.push_back(ParamDesc("gradient") - .set_local_name(_("Gradient")) - ); - ret.push_back(ParamDesc("loop") - .set_local_name(_("Loop")) - ); - ret.push_back(ParamDesc("zigzag") - .set_local_name(_("ZigZag")) - ); - - return ret; -} - -Color -LinearGradient::get_color(Context context, const Point &point)const -{ - const Color color(color_func(point)); - - if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT) - return color; - else - return Color::blend(color,context.get_color(point),get_amount(),get_blend_method()); -} - -bool -LinearGradient::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; -}