Gnash: gnash::image Namespace Reference

Gnash 0.8.11dev

Image handling functions and classes. More...

Classes
class	ARGB
	Adapt a pixel_iterator to use 32-bit values in ARGB byte order. More...

class	GnashImage
	Base class for different types of bitmaps. More...

class	ImageRGB
	24-bit RGB bitmap More...

class	ImageRGBA
	32-bit RGBA bitmap More...

class	Input
	The base class for reading image data. More...

class	JpegInput
	Class for reading JPEG image data. More...

class	JpegOutput

class	Output

struct	pixel_iterator
	The pixel_iterator class is a pixel-level adaptor for a GnashImage. More...

Enumerations
enum	ImageType { GNASH_IMAGE_INVALID, TYPE_RGB, TYPE_RGBA }
	The types of images handled in Gnash. More...

enum	ImageLocation { GNASH_IMAGE_CPU = 1, GNASH_IMAGE_GPU }
	The locations of images handled in Gnash. More...

Functions
void	mergeAlpha (ImageRGBA &im, GnashImage::const_iterator alphaData, const size_t bufferLength)

size_t	numChannels (ImageType t)

GnashImage::iterator	scanline (GnashImage &im, size_t row)
	Get a pointer to a given row of any image. More...

GnashImage::const_iterator	scanline (const GnashImage &im, size_t row)
	Get a read-only pointer to a given row of any image. More...

std::unique_ptr< Input >	createGifInput (std::shared_ptr< IOChannel > in)
	Create a GifInput and transfer ownership to the caller. More...

std::unique_ptr< Input >	createPngInput (std::shared_ptr< IOChannel > in)
	Create a PngInput and transfer ownership to the caller. More...

std::unique_ptr< Output >	createPngOutput (std::shared_ptr< IOChannel > o, size_t width, size_t height, int quality)

template<typename T >
pixel_iterator< T >	begin (GnashImage &im)

template<typename T >
pixel_iterator< T >	end (GnashImage &im)

Detailed Description

Image handling functions and classes.

Enumeration Type Documentation

§ ImageLocation

enum gnash::image::ImageLocation

The locations of images handled in Gnash.

Enumerator
GNASH_IMAGE_CPU
GNASH_IMAGE_GPU

§ ImageType

enum gnash::image::ImageType

The types of images handled in Gnash.

Enumerator
GNASH_IMAGE_INVALID
TYPE_RGB
TYPE_RGBA

Function Documentation

§ begin()

template<typename T >

pixel_iterator<T> gnash::image::begin ( GnashImage & im )

References gnash::image::GnashImage::begin(), and gnash::image::GnashImage::type().

Referenced by gnash::FltkGui::createWindow(), gnash::image::GnashImage::end(), gnash::movie_root::registerButton(), gnash::InputDevice::scanForDevices(), and gnash::movie_root::setScriptLimits().

§ createGifInput()

std::unique_ptr< Input > gnash::image::createGifInput ( std::shared_ptr< IOChannel > in )

Create a GifInput and transfer ownership to the caller.

Parameters

in	The IOChannel to read GIF data from.

Referenced by gnash::image::Input::readImageData().

§ createPngInput()

std::unique_ptr< Input > gnash::image::createPngInput ( std::shared_ptr< IOChannel > in )

Create a PngInput and transfer ownership to the caller.

Parameters

in	The IOChannel to read PNG data from.

Referenced by gnash::image::Input::readImageData().

§ createPngOutput()

std::unique_ptr< Output > gnash::image::createPngOutput	(	std::shared_ptr< IOChannel >	o,
		size_t	width,
		size_t	height,
		int	quality
	)

Referenced by gnash::image::Output::writeImageData().

§ end()

template<typename T >

pixel_iterator<T> gnash::image::end ( GnashImage & im )

References gnash::image::GnashImage::end(), and gnash::image::GnashImage::type().

Referenced by KlashPart::allowRedir(), gnash::amf::AMFException::AMFException(), gnash::arrayKey(), gnash::FltkGui::createWindow(), gnash::renderer::openvg::Renderer_ovg::disable_mask(), gnash::renderer::openvg::Renderer_ovg::drawLine(), gnash::renderer::opengl::Tesselator::feed(), gnash::TextField::getSelection(), gnash::ActionExec::getStopPC(), gnash::sound::sound_handler::getStreamBlock(), gnash::BitsReader::gotBits(), gnash::XML_as::ignoreWhite(), KlashPart::KlashPart(), gnash::ExternalInterface::parseArguments(), gnash::plugin::ExternalInterface::parseArguments(), gnash::ExternalInterface::parseInvoke(), gnash::plugin::ExternalInterface::parseInvoke(), gnash::plugin::ExternalInterface::parseProperties(), gnash::ExternalInterface::parseXML(), gnash::plugin::ExternalInterface::parseXML(), KlashPart::play(), gnash::renderer::openvg::preparepath(), gnash::BitsReader::read_u16(), gnash::BitsReader::read_u32(), gnash::movie_root::registerButton(), gnash::registerLocalConnectionNative(), gnash::registerSelectionNative(), gnash::registerSharedObjectNative(), gnash::registerTextFieldNative(), gnash::TextField::replaceSelection(), gnash::PathParser::run(), gnash::rtmp::RTMP::sendPacket(), gnash::BitsReader::setBuffer(), gnash::movie_root::setScriptLimits(), gnash::TextField::setSelection(), gnash::BitsReader::size(), gnash::string_class_init(), gnash::XML_as::toString(), gnash::NetConnection_as::update(), and writeFLVHeader().

§ mergeAlpha()

DSOEXPORT void gnash::image::mergeAlpha	(	ImageRGBA &	im,
		GnashImage::const_iterator	alphaData,
		const size_t	bufferLength
	)

References gnash::image::GnashImage::begin(), gnash::key::i, gnash::key::p, and gnash::image::GnashImage::size().

Referenced by gnash::SWF::DefineBitsTag::loader(), and scanline().

§ numChannels()

size_t gnash::image::numChannels ( ImageType t )

inline

References TYPE_RGB, and TYPE_RGBA.

Referenced by gnash::image::GnashImage::channels().

§ scanline() [1/2]

GnashImage::iterator gnash::image::scanline	(	GnashImage &	im,
		size_t	row
	)

inline

Get a pointer to a given row of any image.

Parameters

row	The index of the required row.

Returns: A pointer to the first byte of the specified row.

References gnash::image::GnashImage::begin(), gnash::image::GnashImage::height(), and gnash::image::GnashImage::stride().

Referenced by gnash::SWF::DefineBitsTag::loader(), gnash::image::Input::readImageData(), gnash::image::JpegInput::readSWFJpeg2WithTables(), gnash::image::Input::readSWFJpeg3(), and gnash::image::ImageRGBA::setPixel().

§ scanline() [2/2]

GnashImage::const_iterator gnash::image::scanline	(	const GnashImage &	im,
		size_t	row
	)

inline

Get a read-only pointer to a given row of any image.

Parameters

y	The index of the required row.

Returns: A read-only pointer to the first byte of the specified row.

References gnash::image::GnashImage::begin(), DSOEXPORT, gnash::image::GnashImage::height(), mergeAlpha(), and gnash::image::GnashImage::stride().