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Java Source Code / Java Documentation » Report » pentaho report » org.jfree.report.layout

Source Cross Reference Class Diagram Java Document (Java Doc)

org.jfree.report.layout .SizeCalculator

All known Subclasses:   org.jfree.report.layout .DefaultSizeCalculator,
SizeCalculator
public interface SizeCalculator (Code)
The interface for an class that is able to calculate the width of a given string, and the height of a line of text. The calculations rely on state information (e.g. font size, graphics device, etc) maintained by the calculator.
Every org.jfree.report.layout.LayoutSupport can create an instance of a class that implements this interface, via the org.jfree.report.layout.LayoutSupport.createTextSizeCalculator method.
author:
   Thomas Morgner

Field Summary
final public static String CLIP_TEXT

final public static String USE_MAX_CHAR_SIZE


Method Summary
public float getLineHeight()
     Returns the line height.
public float getStringWidth(String text, int lineStartPos, int endPos)
     Calculates the width of a String in the current Graphics context. Parameters:   text - the text. Parameters:   lineStartPos - the start position of the substring to be measured. Parameters:   endPos - the position of the last character to be measured.

Field Detail
CLIP_TEXT
final public static String CLIP_TEXT(Code)

USE_MAX_CHAR_SIZE
final public static String USE_MAX_CHAR_SIZE(Code)

Method Detail
getLineHeight
public float getLineHeight()(Code)
Returns the line height. This includes the font's ascent, descent and leading. the line height.

getStringWidth
public float getStringWidth(String text, int lineStartPos, int endPos)(Code)
Calculates the width of a String in the current Graphics context. Parameters:   text - the text. Parameters:   lineStartPos - the start position of the substring to be measured. Parameters:   endPos - the position of the last character to be measured. the width of the string in Java2D units.

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