SCR decoder

Description

Decoder for ZX-Spectrum SCREEN$ based on: https://gist.github.com/alexanderk23/f459c76847d9412548f7.

Used in engines:

• Freescape

Namespaces
	Common

Classes
class	Image::ScrDecoder

Functions
void	Image::ScrDecoder::destroy ()
virtual bool	Image::ScrDecoder::loadStream (Common::SeekableReadStream &stream)
virtual const Graphics::Surface *	Image::ScrDecoder::getSurface () const

Function Documentation

destroy()

void Image::ScrDecoder::destroy ( )

virtual

Destroy this decoder's surface and palette.

This should be called by a loadStream() implementation as well as by the destructor.

Implements Image::ImageDecoder.

loadStream()

virtual bool Image::ScrDecoder::loadStream ( Common::SeekableReadStream &  stream )

virtual

Load an image from the specified stream.

loadStream() should implicitly call destroy() to free the memory of the last loadStream() call.

Parameters

stream

Input stream.

Returns

Whether loading the file succeeded.

See also

getSurface

getPalette

Implements Image::ImageDecoder.

getSurface()

virtual const Graphics::Surface* Image::ScrDecoder::getSurface ( ) const

inlinevirtual

Get the decoded surface.

This surface is owned by this ImageDecoder and remains valid until destroy() or loadStream() is called, or until the destructor of this ImageDecoder is called.

Returns

The decoded surface, or 0 if no surface is present.

Implements Image::ImageDecoder.