surface Class Reference

#include <surface.hpp>

Public Member Functions
	surface ()
	surface (SDL_Surface *surf)
	surface (int w, int h)
	Allocates a new surface with the given dimensions. More...
	surface (const surface &s)
	surface (surface &&s) noexcept
	~surface ()
surface &	operator= (const surface &s)
surface &	operator= (surface &&s) noexcept
void	clear_without_free ()
bool	is_neutral () const
	Check that the surface is neutral bpp 32. More...
surface &	make_neutral ()
	Converts this surface to a neutral format if it is not already. More...
surface	clone () const
	Makes a copy of this surface. More...
	operator SDL_Surface * () const
SDL_Surface *	get () const
SDL_Surface *	operator-> () const

Private Member Functions
void	assign_surface_internal (SDL_Surface *surf)
void	free_surface ()

Static Private Member Functions
static void	add_surface_ref (SDL_Surface *surf)

Private Attributes
SDL_Surface *	surface_

Static Private Attributes
static const SDL_PixelFormat	neutral_pixel_format

Detailed Description

Definition at line 24 of file surface.hpp.

Constructor & Destructor Documentation

surface() [1/5]

surface::surface ( )

inline

Definition at line 27 of file surface.hpp.

References h, and w.

Referenced by clone().

surface() [2/5]

surface::surface

(

SDL_Surface *

surf

)

Definition at line 27 of file surface.cpp.

References make_neutral().

surface() [3/5]

surface::surface	(	int	w,
		int	h
	)

Allocates a new surface with the given dimensions.

Definition at line 33 of file surface.cpp.

References neutral_pixel_format, and surface_.

surface() [4/5]

surface::surface ( const surface &  s )

inline

Definition at line 35 of file surface.hpp.

References add_surface_ref(), and surface_.

surface() [5/5]

surface::surface ( surface &&  s )

inlinenoexcept

Definition at line 40 of file surface.hpp.

References s.

~surface()

surface::~surface ( )

inline

Definition at line 45 of file surface.hpp.

References free_surface().

Member Function Documentation

add_surface_ref()

static void surface::add_surface_ref ( SDL_Surface *  surf )

inlinestaticprivate

Definition at line 99 of file surface.hpp.

References assign_surface_internal(), and free_surface().

Referenced by assign_surface_internal(), and surface().

assign_surface_internal()

void surface::assign_surface_internal ( SDL_Surface *  surf )

private

Definition at line 81 of file surface.cpp.

References add_surface_ref(), free_surface(), make_neutral(), and surface_.

Referenced by add_surface_ref(), and operator=().

clear_without_free()

void surface::clear_without_free ( )

inline

Definition at line 65 of file surface.hpp.

References clone(), is_neutral(), make_neutral(), and surface_.

clone()

surface surface::clone

(

)

const

Makes a copy of this surface.

The copy will be in the 'neutral' pixel format.

Note this is creates a new, duplicate surface in memory. Making a copy of this 'surface' object will not duplicate the surface itself since we only hold a pointer to the actual surface.

Definition at line 75 of file surface.cpp.

References neutral_pixel_format, surface(), and surface_.

Referenced by adjust_surface_alpha_add(), adjust_surface_color(), alpha_to_greyscale(), image::apply_light(), blend_surface(), blur_alpha_surface(), blur_surface(), brighten_image(), clear_without_free(), gui::tristate_button::draw_contents(), gui::button::draw_contents(), flip_surface(), flop_surface(), get_non_transparent_portion(), greyscale_image(), in_mask_surface(), light_surface(), gui2::dialogs::make_screenshot(), mask_surface(), monochrome_image(), negative_image(), image::adjust_alpha_modification::operator()(), image::adjust_channels_modification::operator()(), image::blit_modification::operator()(), image::o_modification::operator()(), image::background_modification::operator()(), recolor_image(), display::render_image(), rotate_180_surface(), display::screenshot(), display::scroll(), sepia_image(), submerge_alpha(), swap_channels_image(), and wipe_alpha().

free_surface()

void surface::free_surface ( )

private

Definition at line 89 of file surface.cpp.

References sdl_get_version(), and surface_.

Referenced by add_surface_ref(), assign_surface_internal(), make_neutral(), operator=(), and ~surface().

get()

SDL_Surface* surface::get ( ) const

inline

Definition at line 94 of file surface.hpp.

References surface_.

Referenced by gui::textbox::append_text(), gui2::canvas::draw(), gui::menu::imgsel_style::load_image(), operator<(), operator<<(), and operator=().

is_neutral()

bool surface::is_neutral

(

)

const

Check that the surface is neutral bpp 32.

The surface may have an empty alpha channel.

Returns

The status true if neutral, false if not.

Definition at line 52 of file surface.cpp.

References SDL_ALPHA_MASK, SDL_RED_MASK, and surface_.

Referenced by gui2::canvas::blit(), blit_surface(), clear_without_free(), and make_neutral().

make_neutral()

surface & surface::make_neutral

(

)

Converts this surface to a neutral format if it is not already.

Returns

A reference to this object for chaining convenience.

Definition at line 61 of file surface.cpp.

References free_surface(), is_neutral(), neutral_pixel_format, and surface_.

Referenced by assign_surface_internal(), clear_without_free(), and surface().

operator SDL_Surface *()

surface::operator SDL_Surface * ( ) const

inline

Definition at line 92 of file surface.hpp.

References surface_.

operator->()

SDL_Surface* surface::operator-> ( ) const

inline

Definition at line 96 of file surface.hpp.

References surface_.

operator=() [1/2]

surface& surface::operator= ( const surface &  s )

inline

Definition at line 50 of file surface.hpp.

References assign_surface_internal(), and get().

operator=() [2/2]

surface& surface::operator= ( surface &&  s )

inlinenoexcept

Definition at line 56 of file surface.hpp.

References free_surface(), s, and surface_.

Member Data Documentation

neutral_pixel_format

const SDL_PixelFormat surface::neutral_pixel_format

staticprivate

Initial value:

= []() {



    return *SDL_CreateRGBSurface(0, 1, 1, 32, SDL_RED_MASK, SDL_GREEN_MASK, SDL_BLUE_MASK, SDL_ALPHA_MASK)->format;

}()

Definition at line 112 of file surface.hpp.

Referenced by clone(), make_neutral(), and surface().

surface_

SDL_Surface* surface::surface_

private

Definition at line 110 of file surface.hpp.

Referenced by assign_surface_internal(), clear_without_free(), clip_rect_setter::clip_rect_setter(), clone(), free_surface(), get(), is_neutral(), make_neutral(), operator SDL_Surface *(), operator->(), operator=(), surface_locker< T >::pixels(), surface(), surface_locker< T >::surface_locker(), clip_rect_setter::~clip_rect_setter(), and surface_locker< T >::~surface_locker().

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

• sdl/surface.hpp
• sdl/surface.cpp