com.davisor.graphics
Interface ImageParams

All Known Implementing Classes:

ImageFactory

public interface ImageParams

ImageParams defines a generic set of simple image creation and encoding parameters all image factories and encoders should support. Spesific factories and encodes may also support additional parameters.

The generic parameters are:

• compression - none, low, medium, or high
• type - palette or truecolor
• transparent - transparent palette color

The details how different image factories and encoders interprete these parameters are factory and encoder spesific. However, all implementations should follow these general guidelines:

• each compression level should produce progressively tenser results
• a default color palette should be generated automatically for palette images if not somehow explicitly given
• transparent color should be meaningfull only for palette images; truecolor images should ignore it, and use only alpha-channel for transparency
• transparent color should be specified in the same way other colors are specified in the context actual drawing occurs

See Also:

ImageFactory, ImageEncoder

Field Summary

static java.lang.String	COMPRESSION Image compression level parameter ("compression").
static java.lang.String	COMPRESSION_HIGH High compression value ("high").
static java.lang.String	COMPRESSION_LOW Low compression value ("low").
static java.lang.String	COMPRESSION_MEDIUM Medium compression value ("medium").
static java.lang.String	COMPRESSION_NONE No compression value ("none").
static java.lang.String	TRANSPARENT Image transparent palette color parameter ("transparent").
static java.lang.String	TYPE Image type parameter ("type").
static java.lang.String	TYPE_PALETTE Palette image type value ("palette").
static java.lang.String	TYPE_TRUECOLOR Truecolor image type value ("truecolor").

Field Detail

COMPRESSION

public static final java.lang.String COMPRESSION

Image compression level parameter ("compression").

See Also:

Constant Field Values

COMPRESSION_NONE

public static final java.lang.String COMPRESSION_NONE

No compression value ("none").

See Also:

Constant Field Values

COMPRESSION_LOW

public static final java.lang.String COMPRESSION_LOW

Low compression value ("low").

See Also:

Constant Field Values

COMPRESSION_MEDIUM

public static final java.lang.String COMPRESSION_MEDIUM

Medium compression value ("medium").

See Also:

Constant Field Values

COMPRESSION_HIGH

public static final java.lang.String COMPRESSION_HIGH

High compression value ("high").

See Also:

Constant Field Values

TYPE

public static final java.lang.String TYPE

Image type parameter ("type").

See Also:

Constant Field Values

TYPE_TRUECOLOR

public static final java.lang.String TYPE_TRUECOLOR

Truecolor image type value ("truecolor").

See Also:

Constant Field Values

TYPE_PALETTE

public static final java.lang.String TYPE_PALETTE

Palette image type value ("palette").

See Also:

Constant Field Values

TRANSPARENT

public static final java.lang.String TRANSPARENT

Image transparent palette color parameter ("transparent").

See Also:

Constant Field Values