Java Doc for EscherGraphics2d.java in  » Collaboration » poi-3.0.2-beta2 » org » apache » poi » hssf » usermodel » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Collaboration » poi 3.0.2 beta2 » org.apache.poi.hssf.usermodel 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.awt.Graphics
      java.awt.Graphics2D
         org.apache.poi.hssf.usermodel.EscherGraphics2d

EscherGraphics2d
public class EscherGraphics2d extends Graphics2D (Code)
Translates Graphics2d calls into escher calls. The translation is lossy so many features are not supported and some just aren't implemented yet. If in doubt test the specific calls you wish to make. Graphics calls are always drawn into an EscherGroup so one will need to be created.

Important:

One important concept worth considering is that of font size. One of the difficulties in converting Graphics calls into escher drawing calls is that Excel does not have the concept of absolute pixel positions. It measures it's cell widths in 'characters' and the cell heights in points. Unfortunately it's not defined exactly what a type of character it's measuring. Presumably this is due to the fact that the Excel will be using different fonts on different platforms or even within the same platform.

Because of this constraint you have to calculate the verticalPointsPerPixel. This the amount the font should be scaled by when you issue commands such as drawString(). A good way to calculate this is to use the follow formula:

 multipler = groupHeightInPoints / heightOfGroup
 

The height of the group is calculated fairly simply by calculating the difference between the y coordinates of the bounding box of the shape. The height of the group can be calculated by using a convenience called HSSFClientAnchor.getAnchorHeightInPoints().


author:
   Glen Stampoultzis (glens at apache.org)



Constructor Summary
public  EscherGraphics2d(EscherGraphics escherGraphics)
     Constructs one escher graphics object from an escher graphics object.

Method Summary
public  voidaddRenderingHints(Map map)
    
public  voidclearRect(int i, int j, int k, int l)
    
public  voidclip(Shape shape)
    
public  voidclipRect(int x, int y, int width, int height)
    
public  voidcopyArea(int x, int y, int width, int height, int dx, int dy)
    
public  Graphicscreate()
    
public  voiddispose()
    
public  voiddraw(Shape shape)
    
public  voiddrawArc(int x, int y, int width, int height, int startAngle, int arcAngle)
    
public  voiddrawGlyphVector(GlyphVector g, float x, float y)
    
public  booleandrawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgColor, ImageObserver imageobserver)
    
public  booleandrawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver imageobserver)
    
public  booleandrawImage(Image image, int dx1, int dy1, int dx2, int dy2, Color bgColor, ImageObserver imageobserver)
    
public  booleandrawImage(Image img, int x, int y, int width, int height, ImageObserver observer)
    
public  booleandrawImage(Image image, int x, int y, Color bgColor, ImageObserver imageobserver)
    
public  booleandrawImage(Image image, int x, int y, ImageObserver imageobserver)
    
public  booleandrawImage(Image image, AffineTransform affinetransform, ImageObserver imageobserver)
    
public  voiddrawImage(BufferedImage bufferedimage, BufferedImageOp op, int x, int y)
    
public  voiddrawLine(int x1, int y1, int x2, int y2, int width)
    
public  voiddrawLine(int x1, int y1, int x2, int y2)
    
public  voiddrawOval(int x, int y, int width, int height)
    
public  voiddrawPolygon(int xPoints, int yPoints, int nPoints)
    
public  voiddrawPolyline(int xPoints, int yPoints, int nPoints)
    
public  voiddrawRect(int x, int y, int width, int height)
    
public  voiddrawRenderableImage(RenderableImage renderableimage, AffineTransform affinetransform)
    
public  voiddrawRenderedImage(RenderedImage renderedimage, AffineTransform affinetransform)
    
public  voiddrawRoundRect(int i, int j, int k, int l, int i1, int j1)
    
public  voiddrawString(String string, float x, float y)
    
public  voiddrawString(String string, int x, int y)
    
public  voiddrawString(AttributedCharacterIterator attributedcharacteriterator, float x, float y)
    
public  voiddrawString(AttributedCharacterIterator attributedcharacteriterator, int x, int y)
    
public  voidfill(Shape shape)
    
public  voidfillArc(int i, int j, int k, int l, int i1, int j1)
    
public  voidfillOval(int x, int y, int width, int height)
    
public  voidfillPolygon(int xPoints, int yPoints, int nPoints)
     Fills a (closed) polygon, as defined by a pair of arrays, which hold the x and y coordinates.
public  voidfillRect(int x, int y, int width, int height)
    
public  voidfillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
    
public  ColorgetBackground()
    
public  ShapegetClip()
    
public  RectanglegetClipBounds()
    
public  ColorgetColor()
    
public  CompositegetComposite()
    
public  GraphicsConfigurationgetDeviceConfiguration()
    
public  FontgetFont()
    
public  FontMetricsgetFontMetrics(Font font)
    
public  FontRenderContextgetFontRenderContext()
    
public  PaintgetPaint()
    
public  ObjectgetRenderingHint(java.awt.RenderingHints.Key key)
    
public  RenderingHintsgetRenderingHints()
    
public  StrokegetStroke()
    
public  AffineTransformgetTransform()
    
public  booleanhit(Rectangle rectangle, Shape shape, boolean flag)
    
public  voidrotate(double d)
    
public  voidrotate(double d, double d1, double d2)
    
public  voidscale(double d, double d1)
    
public  voidsetBackground(Color c)
    
public  voidsetClip(int i, int j, int k, int l)
    
public  voidsetClip(Shape shape)
    
public  voidsetColor(Color c)
    
public  voidsetComposite(Composite composite)
    
public  voidsetFont(Font font)
    
public  voidsetPaint(Paint paint1)
    
public  voidsetPaintMode()
    
public  voidsetRenderingHint(java.awt.RenderingHints.Key key, Object obj)
    
public  voidsetRenderingHints(Map map)
    
public  voidsetStroke(Stroke s)
    
public  voidsetTransform(AffineTransform affinetransform)
    
public  voidsetXORMode(Color color1)
    
public  voidshear(double d, double d1)
    
public  voidtransform(AffineTransform affinetransform)
    
public  voidtranslate(double d, double d1)
    
public  voidtranslate(int i, int j)
    


Constructor Detail
EscherGraphics2d
public EscherGraphics2d(EscherGraphics escherGraphics)(Code)
Constructs one escher graphics object from an escher graphics object.
Parameters:
  escherGraphics - the original EscherGraphics2d object to copy




Method Detail
addRenderingHints
public void addRenderingHints(Map map)(Code)



clearRect
public void clearRect(int i, int j, int k, int l)(Code)



clip
public void clip(Shape shape)(Code)



clipRect
public void clipRect(int x, int y, int width, int height)(Code)



copyArea
public void copyArea(int x, int y, int width, int height, int dx, int dy)(Code)



create
public Graphics create()(Code)



dispose
public void dispose()(Code)



draw
public void draw(Shape shape)(Code)



drawArc
public void drawArc(int x, int y, int width, int height, int startAngle, int arcAngle)(Code)



drawGlyphVector
public void drawGlyphVector(GlyphVector g, float x, float y)(Code)



drawImage
public boolean drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgColor, ImageObserver imageobserver)(Code)



drawImage
public boolean drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver imageobserver)(Code)



drawImage
public boolean drawImage(Image image, int dx1, int dy1, int dx2, int dy2, Color bgColor, ImageObserver imageobserver)(Code)



drawImage
public boolean drawImage(Image img, int x, int y, int width, int height, ImageObserver observer)(Code)



drawImage
public boolean drawImage(Image image, int x, int y, Color bgColor, ImageObserver imageobserver)(Code)



drawImage
public boolean drawImage(Image image, int x, int y, ImageObserver imageobserver)(Code)



drawImage
public boolean drawImage(Image image, AffineTransform affinetransform, ImageObserver imageobserver)(Code)



drawImage
public void drawImage(BufferedImage bufferedimage, BufferedImageOp op, int x, int y)(Code)



drawLine
public void drawLine(int x1, int y1, int x2, int y2, int width)(Code)



drawLine
public void drawLine(int x1, int y1, int x2, int y2)(Code)



drawOval
public void drawOval(int x, int y, int width, int height)(Code)



drawPolygon
public void drawPolygon(int xPoints, int yPoints, int nPoints)(Code)



drawPolyline
public void drawPolyline(int xPoints, int yPoints, int nPoints)(Code)



drawRect
public void drawRect(int x, int y, int width, int height)(Code)



drawRenderableImage
public void drawRenderableImage(RenderableImage renderableimage, AffineTransform affinetransform)(Code)



drawRenderedImage
public void drawRenderedImage(RenderedImage renderedimage, AffineTransform affinetransform)(Code)



drawRoundRect
public void drawRoundRect(int i, int j, int k, int l, int i1, int j1)(Code)



drawString
public void drawString(String string, float x, float y)(Code)



drawString
public void drawString(String string, int x, int y)(Code)



drawString
public void drawString(AttributedCharacterIterator attributedcharacteriterator, float x, float y)(Code)



drawString
public void drawString(AttributedCharacterIterator attributedcharacteriterator, int x, int y)(Code)



fill
public void fill(Shape shape)(Code)



fillArc
public void fillArc(int i, int j, int k, int l, int i1, int j1)(Code)



fillOval
public void fillOval(int x, int y, int width, int height)(Code)



fillPolygon
public void fillPolygon(int xPoints, int yPoints, int nPoints)(Code)
Fills a (closed) polygon, as defined by a pair of arrays, which hold the x and y coordinates.

This draws the polygon, with nPoint line segments. The first nPoint - 1 line segments are drawn between sequential points (xPoints[i],yPoints[i],xPoints[i+1],yPoints[i+1]). The final line segment is a closing one, from the last point to the first (assuming they are different).

The area inside of the polygon is defined by using an even-odd fill rule (also known as the alternating rule), and the area inside of it is filled.
Parameters:
  xPoints - array of the x coordinates.
Parameters:
  yPoints - array of the y coordinates.
Parameters:
  nPoints - the total number of points in the polygon.
See Also:   java.awt.Graphics.drawPolygon(int[]int[]int)




fillRect
public void fillRect(int x, int y, int width, int height)(Code)



fillRoundRect
public void fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)(Code)



getBackground
public Color getBackground()(Code)



getClip
public Shape getClip()(Code)



getClipBounds
public Rectangle getClipBounds()(Code)



getColor
public Color getColor()(Code)



getComposite
public Composite getComposite()(Code)



getDeviceConfiguration
public GraphicsConfiguration getDeviceConfiguration()(Code)



getFont
public Font getFont()(Code)



getFontMetrics
public FontMetrics getFontMetrics(Font font)(Code)



getFontRenderContext
public FontRenderContext getFontRenderContext()(Code)



getPaint
public Paint getPaint()(Code)



getRenderingHint
public Object getRenderingHint(java.awt.RenderingHints.Key key)(Code)



getRenderingHints
public RenderingHints getRenderingHints()(Code)



getStroke
public Stroke getStroke()(Code)



getTransform
public AffineTransform getTransform()(Code)



hit
public boolean hit(Rectangle rectangle, Shape shape, boolean flag)(Code)



rotate
public void rotate(double d)(Code)



rotate
public void rotate(double d, double d1, double d2)(Code)



scale
public void scale(double d, double d1)(Code)



setBackground
public void setBackground(Color c)(Code)



setClip
public void setClip(int i, int j, int k, int l)(Code)



setClip
public void setClip(Shape shape)(Code)



setColor
public void setColor(Color c)(Code)



setComposite
public void setComposite(Composite composite)(Code)



setFont
public void setFont(Font font)(Code)



setPaint
public void setPaint(Paint paint1)(Code)



setPaintMode
public void setPaintMode()(Code)



setRenderingHint
public void setRenderingHint(java.awt.RenderingHints.Key key, Object obj)(Code)



setRenderingHints
public void setRenderingHints(Map map)(Code)



setStroke
public void setStroke(Stroke s)(Code)



setTransform
public void setTransform(AffineTransform affinetransform)(Code)



setXORMode
public void setXORMode(Color color1)(Code)



shear
public void shear(double d, double d1)(Code)



transform
public void transform(AffineTransform affinetransform)(Code)



translate
public void translate(double d, double d1)(Code)



translate
public void translate(int i, int j)(Code)



Methods inherited from java.awt.Graphics2D
abstract public void addRenderingHints(Map hints)(Code)(Java Doc)
abstract public void clip(Shape s)(Code)(Java Doc)
abstract public void draw(Shape s)(Code)(Java Doc)
public void draw3DRect(int x, int y, int width, int height, boolean raised)(Code)(Java Doc)
abstract public void drawGlyphVector(GlyphVector g, float x, float y)(Code)(Java Doc)
abstract public boolean drawImage(Image img, AffineTransform xform, ImageObserver obs)(Code)(Java Doc)
abstract public void drawImage(BufferedImage img, BufferedImageOp op, int x, int y)(Code)(Java Doc)
abstract public void drawRenderableImage(RenderableImage img, AffineTransform xform)(Code)(Java Doc)
abstract public void drawRenderedImage(RenderedImage img, AffineTransform xform)(Code)(Java Doc)
abstract public void drawString(String str, int x, int y)(Code)(Java Doc)
abstract public void drawString(String str, float x, float y)(Code)(Java Doc)
abstract public void drawString(AttributedCharacterIterator iterator, int x, int y)(Code)(Java Doc)
abstract public void drawString(AttributedCharacterIterator iterator, float x, float y)(Code)(Java Doc)
abstract public void fill(Shape s)(Code)(Java Doc)
public void fill3DRect(int x, int y, int width, int height, boolean raised)(Code)(Java Doc)
abstract public Color getBackground()(Code)(Java Doc)
abstract public Composite getComposite()(Code)(Java Doc)
abstract public GraphicsConfiguration getDeviceConfiguration()(Code)(Java Doc)
abstract public FontRenderContext getFontRenderContext()(Code)(Java Doc)
abstract public Paint getPaint()(Code)(Java Doc)
abstract public Object getRenderingHint(Key hintKey)(Code)(Java Doc)
abstract public RenderingHints getRenderingHints()(Code)(Java Doc)
abstract public Stroke getStroke()(Code)(Java Doc)
abstract public AffineTransform getTransform()(Code)(Java Doc)
abstract public boolean hit(Rectangle rect, Shape s, boolean onStroke)(Code)(Java Doc)
abstract public void rotate(double theta)(Code)(Java Doc)
abstract public void rotate(double theta, double x, double y)(Code)(Java Doc)
abstract public void scale(double sx, double sy)(Code)(Java Doc)
abstract public void setBackground(Color color)(Code)(Java Doc)
abstract public void setComposite(Composite comp)(Code)(Java Doc)
abstract public void setPaint(Paint paint)(Code)(Java Doc)
abstract public void setRenderingHint(Key hintKey, Object hintValue)(Code)(Java Doc)
abstract public void setRenderingHints(Map hints)(Code)(Java Doc)
abstract public void setStroke(Stroke s)(Code)(Java Doc)
abstract public void setTransform(AffineTransform Tx)(Code)(Java Doc)
abstract public void shear(double shx, double shy)(Code)(Java Doc)
abstract public void transform(AffineTransform Tx)(Code)(Java Doc)
abstract public void translate(int x, int y)(Code)(Java Doc)
abstract public void translate(double tx, double ty)(Code)(Java Doc)

Methods inherited from java.awt.Graphics
abstract public void clearRect(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void clipRect(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void copyArea(int x, int y, int width, int height, int dx, int dy)(Code)(Java Doc)
abstract public Graphics create()(Code)(Java Doc)
public Graphics create(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void dispose()(Code)(Java Doc)
public void draw3DRect(int x, int y, int width, int height, boolean raised)(Code)(Java Doc)
abstract public void drawArc(int x, int y, int width, int height, int startAngle, int arcAngle)(Code)(Java Doc)
public void drawBytes(byte data, int offset, int length, int x, int y)(Code)(Java Doc)
public void drawChars(char data, int offset, int length, int x, int y)(Code)(Java Doc)
abstract public boolean drawImage(Image img, int x, int y, ImageObserver observer)(Code)(Java Doc)
abstract public boolean drawImage(Image img, int x, int y, int width, int height, ImageObserver observer)(Code)(Java Doc)
abstract public boolean drawImage(Image img, int x, int y, Color bgcolor, ImageObserver observer)(Code)(Java Doc)
abstract public boolean drawImage(Image img, int x, int y, int width, int height, Color bgcolor, ImageObserver observer)(Code)(Java Doc)
abstract public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer)(Code)(Java Doc)
abstract public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer)(Code)(Java Doc)
abstract public void drawLine(int x1, int y1, int x2, int y2)(Code)(Java Doc)
abstract public void drawOval(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void drawPolygon(int xPoints, int yPoints, int nPoints)(Code)(Java Doc)
public void drawPolygon(Polygon p)(Code)(Java Doc)
abstract public void drawPolyline(int xPoints, int yPoints, int nPoints)(Code)(Java Doc)
public void drawRect(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)(Code)(Java Doc)
abstract public void drawString(String str, int x, int y)(Code)(Java Doc)
abstract public void drawString(AttributedCharacterIterator iterator, int x, int y)(Code)(Java Doc)
public void fill3DRect(int x, int y, int width, int height, boolean raised)(Code)(Java Doc)
abstract public void fillArc(int x, int y, int width, int height, int startAngle, int arcAngle)(Code)(Java Doc)
abstract public void fillOval(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void fillPolygon(int xPoints, int yPoints, int nPoints)(Code)(Java Doc)
public void fillPolygon(Polygon p)(Code)(Java Doc)
abstract public void fillRect(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)(Code)(Java Doc)
public void finalize()(Code)(Java Doc)
abstract public Shape getClip()(Code)(Java Doc)
abstract public Rectangle getClipBounds()(Code)(Java Doc)
public Rectangle getClipBounds(Rectangle r)(Code)(Java Doc)
public Rectangle getClipRect()(Code)(Java Doc)
abstract public Color getColor()(Code)(Java Doc)
abstract public Font getFont()(Code)(Java Doc)
public FontMetrics getFontMetrics()(Code)(Java Doc)
abstract public FontMetrics getFontMetrics(Font f)(Code)(Java Doc)
public boolean hitClip(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void setClip(int x, int y, int width, int height)(Code)(Java Doc)
abstract public void setClip(Shape clip)(Code)(Java Doc)
abstract public void setColor(Color c)(Code)(Java Doc)
abstract public void setFont(Font font)(Code)(Java Doc)
abstract public void setPaintMode()(Code)(Java Doc)
abstract public void setXORMode(Color c1)(Code)(Java Doc)
public String toString()(Code)(Java Doc)
abstract public void translate(int x, int y)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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