info.informatica.doc.style.css
Class AbstractStyleDatabase

java.lang.Object
  info.informatica.doc.style.css.AbstractStyleDatabase

All Implemented Interfaces:

StyleDatabase

Direct Known Subclasses:

Java2DStyleDatabase, PDFStyleDatabase

public abstract class AbstractStyleDatabase
extends Object
implements StyleDatabase

Abstract base class for CSS Style databases.

Author:

Carlos Amengual (amengual at informatica.info)

Field Summary

protected String	DEFAULT_GENERIC_FONT_FAMILY
static org.w3c.dom.css.CSSPrimitiveValue	DEFAULT_INITIAL_COLOR

Constructor Summary

AbstractStyleDatabase()

Method Summary

protected abstract float	cmToPixels(float cm) Converts from centimeters to pixels.
float	floatValueConversion(float initialValue, short initialUnitType) Makes an unit conversion to the natural unit of this device.
float	floatValueConversion(float initialValue, short initialUnitType, short destUnitType) Makes an unit conversion (for the units known to this device).
String	getDefaultGenericFontFamily() Gets the real name of the default font.
int	getExSizeInPt(String familyName, int size) Gives the size of the 'ex' unit, expressed in 'pt' (typographic points) unit.
org.w3c.dom.css.CSSPrimitiveValue	getInitialColor() Gives the initial (default) value for the 'color' property on this device.
float	getScrollbarWidth() Gets the width of the scrollbar that appears when a box overflows with scroll.
protected abstract float	pxTocm(int px) Converts from pixels to centimeters.
void	setInitialColor(String initialColor) Sets the initial (default) value for the 'color' property on this device.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface info.informatica.doc.style.css.StyleDatabase

getDefaultGenericFontFamily, getDocumentHeight, getDocumentWidth, getFontSizeFromIdentifier, getNaturalUnit, getWidthSize, isFontFamilyAvailable

Field Detail

DEFAULT_GENERIC_FONT_FAMILY

protected final String DEFAULT_GENERIC_FONT_FAMILY

See Also:

Constant Field Values

DEFAULT_INITIAL_COLOR

public static final org.w3c.dom.css.CSSPrimitiveValue DEFAULT_INITIAL_COLOR

Constructor Detail

AbstractStyleDatabase

public AbstractStyleDatabase()

Method Detail

cmToPixels

protected abstract float cmToPixels(float cm)

Converts from centimeters to pixels.

Parameters:

cm - the value, in centimeters, to be converted.

Returns:

the value, expressed in pixels.

pxTocm

protected abstract float pxTocm(int px)

Converts from pixels to centimeters.

Parameters:

px - the value, in pixels, to be converted.

Returns:

the value, expressed in centimeters.

getExSizeInPt

public int getExSizeInPt(String familyName,
                         int size)

Description copied from interface: StyleDatabase

Gives the size of the 'ex' unit, expressed in 'pt' (typographic points) unit.

Specified by:

getExSizeInPt in interface StyleDatabase

Parameters:

familyName - the font family name.

size - the font size.

Returns:

the size of the 'ex' unit, in units of 'pt'.

floatValueConversion

public float floatValueConversion(float initialValue,
                                  short initialUnitType,
                                  short destUnitType)
                           throws DOMException

Description copied from interface: StyleDatabase

Makes an unit conversion (for the units known to this device).

Specified by:

floatValueConversion in interface StyleDatabase

Parameters:

initialValue - the value to be converted, expressed in the initial unit.

initialUnitType - the initial unit type.

destUnitType - the destination unit type.

Returns:

the value, expressed in units of destUnitType.

Throws:

DOMException

floatValueConversion

public float floatValueConversion(float initialValue,
                                  short initialUnitType)
                           throws DOMException

Description copied from interface: StyleDatabase

Makes an unit conversion to the natural unit of this device.

Specified by:

floatValueConversion in interface StyleDatabase

Parameters:

initialValue - the value to be converted, expressed in the initial unit.

initialUnitType - the initial unit type.

Returns:

the value, expressed in units of destUnitType.

Throws:

DOMException

getInitialColor

public org.w3c.dom.css.CSSPrimitiveValue getInitialColor()

Description copied from interface: StyleDatabase

Gives the initial (default) value for the 'color' property on this device.

Specified by:

getInitialColor in interface StyleDatabase

Returns:

the default color value.

setInitialColor

public void setInitialColor(String initialColor)

Description copied from interface: StyleDatabase

Sets the initial (default) value for the 'color' property on this device.

Specified by:

setInitialColor in interface StyleDatabase

Parameters:

initialColor - the String representing default color value.

getScrollbarWidth

public float getScrollbarWidth()

Description copied from interface: StyleDatabase

Gets the width of the scrollbar that appears when a box overflows with scroll.

Specified by:

getScrollbarWidth in interface StyleDatabase

Returns:

the width of the scrollbar.

getDefaultGenericFontFamily

public String getDefaultGenericFontFamily()

Description copied from interface: StyleDatabase

Gets the real name of the default font.

For example, if the default generic font name is 'serif', this method should return the same as getDefaultGenericFontFamily("serif").

Specified by:

getDefaultGenericFontFamily in interface StyleDatabase

Returns:

the name of the default real font.