X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Fsrc%2Fsynfig%2Flayer_composite.h;fp=synfig-core%2Fsrc%2Fsynfig%2Flayer_composite.h;h=cb9497dd357d6f2415f509dddeb37c6f0a1d2de6;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/src/synfig/layer_composite.h b/synfig-core/src/synfig/layer_composite.h new file mode 100644 index 0000000..cb9497d --- /dev/null +++ b/synfig-core/src/synfig/layer_composite.h @@ -0,0 +1,100 @@ +/* === S Y N F I G ========================================================= */ +/*! \file layer_composite.h +** \brief Composite Layer Class Implementation +** +** $Id$ +** +** \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 +*/ +/* ========================================================================= */ + +/* === S T A R T =========================================================== */ + +#ifndef __SYNFIG_LAYER_COMPOSITE_H +#define __SYNFIG_LAYER_COMPOSITE_H + +/* === H E A D E R S ======================================================= */ + +#include "layer.h" +#include "color.h" + +/* === M A C R O S ========================================================= */ + +/* === T Y P E D E F S ===================================================== */ + +/* === C L A S S E S & S T R U C T S ======================================= */ + +namespace synfig { + +class Layer_NoDeform {}; + + +/*! \class Layer_Composite +** \brief Base class for layers that put stuff on top of lower layers +*/ +class Layer_Composite : public Layer +{ +private: + + float amount_; + + Color::BlendMethod blend_method_; + +protected: + + Layer_Composite( + float amount=1.0, + Color::BlendMethod blend_method=Color::BLEND_COMPOSITE + ): + amount_ (amount), + blend_method_ (blend_method), + converted_blend_ (false), + transparent_color_ (false) + { } + + bool converted_blend_; + bool transparent_color_; + +public: + + float get_amount()const { return amount_; } + + Layer_Composite& set_amount(float x) { amount_=x; return *this; } + + Color::BlendMethod get_blend_method()const { return blend_method_; } + + Layer_Composite& set_blend_method(Color::BlendMethod x) { blend_method_=x; return *this; } + + virtual bool is_solid_color()const { return amount_==1.0f && blend_method_==Color::BLEND_STRAIGHT; } + + bool is_disabled()const { return amount_==0.0f; } + + virtual Vocab get_param_vocab()const; + + virtual bool set_param(const String ¶m, const ValueBase &value); + + virtual ValueBase get_param(const String ¶m)const; + + virtual Rect get_full_bounding_rect(Context context)const; + + virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const; +}; // END of class Layer_Composite + +}; // END of namespace synfig + +/* === E N D =============================================================== */ + +#endif