rose::sdl::DrawColorGuard Class Reference

Store the current draw color replacing it with a new draw color. More...

#include <Renderer.h>

Collaboration diagram for rose::sdl::DrawColorGuard:

Public Member Functions
	DrawColorGuard ()=delete
	Deleted default constructor.
	DrawColorGuard (const DrawColorGuard &)=delete
	Deleted copy constructor.
	DrawColorGuard (DrawColorGuard &&)=default
DrawColorGuard &	operator= (const DrawColorGuard &)=delete
	~DrawColorGuard () noexcept(false)
	Set the old clip rectangle back on the renderer when destroyed.
	DrawColorGuard (Renderer &renderer, SDL_Color color)
	Construct DrawColorGuard with and SDL_Color. More...
	DrawColorGuard (Renderer &renderer, color::RGBA color)
	Construct DrawColorGuard with a rose::Color. More...
	operator bool () const noexcept
	Test the validity of the DrawColorGuard. More...
int	setDrawColor (SDL_Color color)
	Set the drow Color on the renderer without pushing the old color on the stack. More...
int	setDrawColor (color::RGBA color)
	Set the draw Color on the renderer without pushing the old color on the stack. More...

Protected Attributes
Renderer &	mRenderer
	The renderer to which the draw colors are set.
SDL_Color	mOldColor {}
	The old draw color.
int	mStatus
	The status of the last SDL operation.

Detailed Description

Store the current draw color replacing it with a new draw color.

When the object is destroyed (by going out of scope) the old draw color is set.

Constructor & Destructor Documentation

DrawColorGuard() [1/2]

rose::sdl::DrawColorGuard::DrawColorGuard	(	Renderer &	renderer,
		SDL_Color	color
	)

Construct DrawColorGuard with and SDL_Color.

Parameters

renderer	The renderer to set the color on.
color	The SDL_Color.

DrawColorGuard() [2/2]

rose::sdl::DrawColorGuard::DrawColorGuard	(	Renderer &	renderer,
		color::RGBA	color
	)

Construct DrawColorGuard with a rose::Color.

Parameters

renderer	The renderer to set the color on.
color	The rose::Color.

Member Function Documentation

operator bool()

rose::sdl::DrawColorGuard::operator bool ( ) const

inlineexplicitnoexcept

Test the validity of the DrawColorGuard.

Returns

False if the last SDL operation return an error.

setDrawColor() [1/2]

int rose::sdl::DrawColorGuard::setDrawColor

(

SDL_Color

color

)

Set the drow Color on the renderer without pushing the old color on the stack.

Parameters

color

The SDL_Color to set.

Returns

The SDL2 API return status code.

setDrawColor() [2/2]

int rose::sdl::DrawColorGuard::setDrawColor ( color::RGBA  color )

inline

Set the draw Color on the renderer without pushing the old color on the stack.

Parameters

color

The Color to set.

Returns

The SDL2 API return status code.

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The documentation for this class was generated from the following files:

• src0/Renderer.h
• src0/Renderer.cpp