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RenderTarget.hpp Source File
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sfml
sfml
include
SFML
Graphics
RenderTarget.hpp
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//
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// SFML - Simple and Fast Multimedia Library
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// Copyright (C) 2007-2013 Laurent Gomila (laurent.gom@gmail.com)
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the authors be held liable for any damages 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 freely,
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// subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented;
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// you must not claim that you wrote the original software.
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// If you use this software in a product, an acknowledgment
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// in the product documentation would be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such,
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// and must not be misrepresented as being the original software.
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//
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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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#ifndef SFML_RENDERTARGET_HPP
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#define SFML_RENDERTARGET_HPP
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// Headers
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#include <SFML/Graphics/Export.hpp>
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#include <SFML/Graphics/Color.hpp>
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#include <SFML/Graphics/Rect.hpp>
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#include <SFML/Graphics/View.hpp>
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#include <SFML/Graphics/Transform.hpp>
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#include <SFML/Graphics/BlendMode.hpp>
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#include <SFML/Graphics/RenderStates.hpp>
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#include <SFML/Graphics/PrimitiveType.hpp>
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#include <SFML/Graphics/Vertex.hpp>
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#include <SFML/System/NonCopyable.hpp>
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namespace
sf
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{
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class
Drawable;
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class
SFML_GRAPHICS_API
RenderTarget
:
NonCopyable
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{
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public
:
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virtual
~
RenderTarget
();
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void
clear(
const
Color
& color =
Color
(0, 0, 0, 255));
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void
setView(
const
View
& view);
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const
View
& getView()
const
;
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const
View
& getDefaultView()
const
;
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IntRect
getViewport(
const
View
& view)
const
;
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Vector2f
mapPixelToCoords(
const
Vector2i
& point)
const
;
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Vector2f
mapPixelToCoords(
const
Vector2i
& point,
const
View
& view)
const
;
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Vector2i
mapCoordsToPixel(
const
Vector2f
& point)
const
;
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Vector2i
mapCoordsToPixel(
const
Vector2f
& point,
const
View
& view)
const
;
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void
draw(
const
Drawable
& drawable,
const
RenderStates
& states =
RenderStates::Default
);
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void
draw(
const
Vertex
* vertices,
unsigned
int
vertexCount,
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PrimitiveType
type,
const
RenderStates
& states =
RenderStates::Default
);
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virtual
Vector2u
getSize()
const
= 0;
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void
pushGLStates();
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void
popGLStates();
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void
resetGLStates();
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protected
:
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RenderTarget
();
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void
initialize();
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private
:
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void
applyCurrentView();
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void
applyBlendMode(
BlendMode
mode);
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void
applyTransform(
const
Transform
& transform);
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void
applyTexture(
const
Texture
* texture);
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void
applyShader(
const
Shader
* shader);
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virtual
bool
activate(
bool
active) = 0;
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struct
StatesCache
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{
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enum
{VertexCacheSize = 4};
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bool
glStatesSet;
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bool
viewChanged;
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BlendMode
lastBlendMode;
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Uint64 lastTextureId;
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bool
useVertexCache;
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Vertex
vertexCache[VertexCacheSize];
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};
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// Member data
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View
m_defaultView;
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View
m_view;
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StatesCache m_cache;
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};
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}
// namespace sf
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#endif // SFML_RENDERTARGET_HPP
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