X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fmodules%2Fmod_geometry%2Fcheckerboard.cpp;fp=synfig-core%2Fsrc%2Fmodules%2Fmod_geometry%2Fcheckerboard.cpp;h=30bbf8e779ccbcb3c2fba63d08ddd328d0280c9f;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/src/modules/mod_geometry/checkerboard.cpp b/synfig-core/src/modules/mod_geometry/checkerboard.cpp new file mode 100644 index 0000000..30bbf8e --- /dev/null +++ b/synfig-core/src/modules/mod_geometry/checkerboard.cpp @@ -0,0 +1,200 @@ +/* === S Y N F I G ========================================================= */ +/*! \file checkerboard.cpp +** \brief Implementation of the "Checkerboard" 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 +#endif + +#include "checkerboard.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#endif + +using namespace synfig; +using namespace std; +using namespace etl; + +/* === M A C R O S ========================================================= */ + +/* === G L O B A L S ======================================================= */ + +SYNFIG_LAYER_INIT(CheckerBoard); +SYNFIG_LAYER_SET_NAME(CheckerBoard,"checker_board"); +SYNFIG_LAYER_SET_LOCAL_NAME(CheckerBoard,N_("Checkerboard")); +SYNFIG_LAYER_SET_CATEGORY(CheckerBoard,N_("Geometry")); +SYNFIG_LAYER_SET_VERSION(CheckerBoard,"0.1"); +SYNFIG_LAYER_SET_CVS_ID(CheckerBoard,"$Id$"); + +/* === P R O C E D U R E S ================================================= */ + +/* === M E T H O D S ======================================================= */ + +CheckerBoard::CheckerBoard(): + Layer_Composite (1.0,Color::BLEND_STRAIGHT), + color (Color::black()), + origin (Point(0.125,0.125)), + size (Point(0.25,0.25)) +{ + + set_blend_method(Color::BLEND_STRAIGHT); +} + +inline bool +CheckerBoard::point_test(const synfig::Point& getpos)const +{ + int val=((int)((getpos[0]-origin[0])/size[0])+(int)((getpos[1]-origin[1])/size[1])); + if(getpos[0]-origin[0] < 0.0) + val++; + if(getpos[1]-origin[1] < 0.0) + val++; + return val&1; +} + +bool +CheckerBoard::set_param(const String ¶m, const ValueBase &value) +{ + IMPORT_PLUS(color, { if (color.get_a() == 0) { if (converted_blend_) { + set_blend_method(Color::BLEND_ALPHA_OVER); + color.set_a(1); } else transparent_color_ = true; } }); + IMPORT(origin); + IMPORT(size); + + IMPORT_AS(origin,"pos"); + IMPORT_AS(origin[0],"pos[0]"); + IMPORT_AS(origin[1],"pos[1]"); + + return Layer_Composite::set_param(param,value); +} + +ValueBase +CheckerBoard::get_param(const String ¶m)const +{ + EXPORT(color); + EXPORT(origin); + EXPORT(size); + EXPORT_NAME(); + EXPORT_VERSION(); + + return Layer_Composite::get_param(param); +} + +Layer::Vocab +CheckerBoard::get_param_vocab()const +{ + Layer::Vocab ret(Layer_Composite::get_param_vocab()); + + ret.push_back(ParamDesc("color") + .set_local_name(_("Color")) + .set_description(_("Color of checkers")) + ); + ret.push_back(ParamDesc("origin") + .set_local_name(_("Origin")) + ); + ret.push_back(ParamDesc("size") + .set_local_name(_("Size")) + .set_description(_("Size of checkers")) + .set_origin("origin") + ); + + return ret; +} + +synfig::Layer::Handle +CheckerBoard::hit_check(synfig::Context context, const synfig::Point &getpos)const +{ + if(get_amount()!=0.0 && point_test(getpos)) + { + synfig::Layer::Handle tmp; + if(get_blend_method()==Color::BLEND_BEHIND && (tmp=context.hit_check(getpos))) + return tmp; + if(Color::is_onto(get_blend_method()) && !(tmp=context.hit_check(getpos))) + return 0; + return const_cast(this); + } + else + return context.hit_check(getpos); +} + +Color +CheckerBoard::get_color(Context context, const Point &getpos)const +{ + if(get_amount()!=0.0 && point_test(getpos)) + { + if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT) + return color; + else + return Color::blend(color,context.get_color(getpos),get_amount(),get_blend_method()); + } + else + return Color::blend(Color::alpha(),context.get_color(getpos),get_amount(),get_blend_method()); +} + +bool +CheckerBoard::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; + + int x,y; + + const Point tl(renddesc.get_tl()); + Point pos; + const int w(surface->get_w()); + const int h(surface->get_h()); + const Real pw(renddesc.get_pw()),ph(renddesc.get_ph()); + + Surface::alpha_pen apen(surface->begin()); + + apen.set_alpha(get_amount()); + apen.set_blend_method(get_blend_method()); + apen.set_value(color); + + for(y=0,pos[1]=tl[1];yamount_complete(10000,10000)) + return false; + + return true; +}