jpeg Namespace Reference

Utilities for loading and saving JPEG images. More...

Classes
struct	my_error_mgr

Typedefs
typedef struct my_error_mgr *	my_error_ptr

Functions
void	my_error_exit (j_common_ptr cinfo)
SDL_Surface *	LoadJPEG (const char *src)
	Load a JPEG file into an SDL_Surface.
bool	SaveJPEG (SDL_Renderer *renderer, SDL_Texture *texture, const char *filename, int quality=90)
	Save an SDL_Texture to a JPEG file.

Detailed Description

Utilities for loading and saving JPEG images.

Typedef Documentation

my_error_ptr

typedef struct my_error_mgr* jpeg::my_error_ptr

Definition at line 24 of file jpeg.cpp.

Function Documentation

LoadJPEG()

SDL_Surface * jpeg::LoadJPEG

(

const char *

src

)

Load a JPEG file into an SDL_Surface.

Parameters

src	Path to the JPEG file.

Returns

Newly allocated SDL_Surface, or nullptr on failure.

Definition at line 32 of file jpeg.cpp.

References my_error_exit(), jpeg::my_error_mgr::pub, and jpeg::my_error_mgr::setjmp_buffer.

Referenced by mx::Texture::loadTexture().

my_error_exit()

void jpeg::my_error_exit

(

j_common_ptr

cinfo

)

Definition at line 26 of file jpeg.cpp.

References jpeg::my_error_mgr::setjmp_buffer.

Referenced by LoadJPEG().

SaveJPEG()

bool jpeg::SaveJPEG	(	SDL_Renderer *	renderer,
		SDL_Texture *	texture,
		const char *	filename,
		int	quality = 90 )

Save an SDL_Texture to a JPEG file.

Parameters

renderer	SDL renderer used to read back pixel data.
texture	Source texture.
filename	Destination file path.
quality	JPEG quality (0–100, default 90).

Returns

true on success, false on failure.

Definition at line 79 of file jpeg.cpp.

Referenced by mx::Texture::saveTexture().