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blend_state.h
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/*
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** ClanLib SDK
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** Copyright (c) 1997-2020 The ClanLib Team
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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** Note: Some of the libraries ClanLib may link to may have additional
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** requirements or restrictions.
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**
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** File Author(s):
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**
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** Magnus Norddahl
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*/
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#pragma once
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#include <memory>
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namespace
clan
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{
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class
GraphicContext
;
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class
BlendStateDescription
;
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class
BlendStateProvider
;
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class
BlendState
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{
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public
:
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BlendState
();
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BlendState
(
GraphicContext
&context,
const
BlendStateDescription
&desc);
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bool
is_null
()
const
{
return
!provider; }
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explicit
operator
bool()
const
{
return
bool(provider); }
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BlendStateProvider
*
get_provider
()
const
;
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private
:
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std::shared_ptr<BlendStateProvider> provider;
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};
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}
clan::BlendStateDescription
Blend state description.
Definition
blend_state_description.h:42
clan::BlendStateProvider
Definition
graphic_context_provider.h:73
clan::BlendState::get_provider
BlendStateProvider * get_provider() const
clan::BlendState::BlendState
BlendState()
Constructs a null instance.
clan::BlendState::is_null
bool is_null() const
Returns true if this object is invalid.
Definition
blend_state.h:56
clan::BlendState::BlendState
BlendState(GraphicContext &context, const BlendStateDescription &desc)
Constructs a Texture.
clan::GraphicContext
Interface to drawing graphics.
Definition
graphic_context.h:257
clan
Definition
clanapp.h:36