Package org.rrd4j.graph

Class ImageWorker

java.lang.Object

org.rrd4j.graph.ImageWorker

class ImageWorker
extends Object

Constructor Summary

Constructors

Constructor	Description
ImageWorker(int width, int height)

Method Summary

Modifier and Type	Method	Description
(package private) void	clip(int x, int y, int width, int height)
(package private) void	dispose()
(package private) void	drawLine(int x1, int y1, int x2, int y2, Paint paint, Stroke stroke)
(package private) void	drawPolyline(double[] x, double[] y, Paint paint, Stroke stroke)
(package private) void	drawPolyline(int[] x, int[] y, Paint paint, Stroke stroke)
(package private) void	drawString(String text, int x, int y, Font font, Paint paint)
(package private) void	fillPolygon(double[] x, double[] yBottom, double[] yTop, Paint paint)
(package private) void	fillPolygon(double[] x, double yBottom, double[] yTop, Paint paint)
(package private) void	fillPolygon(int[] x, int[] y, Paint paint)
(package private) void	fillRect(int x, int y, int width, int height, Paint paint)
(package private) double	getFontAscent(Font font)
(package private) double	getFontHeight(Font font)
(package private) InputStream	getImageBytes(ImageWriter writer, ImageWriteParam iwp)
(package private) double	getStringWidth(String text, Font font)
(package private) void	loadImage(RrdGraphDef.ImageSource imageSource, int x, int y, int w, int h)
(package private) void	makeImage(Object stream, ImageWriter writer, ImageWriteParam iwp)
(package private) void	reset()
(package private) void	resize(int width, int height)
(package private) InputStream	saveImage(String path, ImageWriter writer, ImageWriteParam iwp)
(package private) void	setAntiAliasing(boolean enable)
(package private) void	setTextAntiAliasing(boolean enable)
(package private) void	transform(int x, int y, double angle)

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageWorker

ImageWorker(int width,
            int height)

Method Detail

resize

void resize(int width,
            int height)

clip

void clip(int x,
          int y,
          int width,
          int height)

transform

void transform(int x,
               int y,
               double angle)

reset

void reset()

fillRect

void fillRect(int x,
              int y,
              int width,
              int height,
              Paint paint)

fillPolygon

void fillPolygon(int[] x,
                 int[] y,
                 Paint paint)

fillPolygon

void fillPolygon(double[] x,
                 double yBottom,
                 double[] yTop,
                 Paint paint)

fillPolygon

void fillPolygon(double[] x,
                 double[] yBottom,
                 double[] yTop,
                 Paint paint)

drawLine

void drawLine(int x1,
              int y1,
              int x2,
              int y2,
              Paint paint,
              Stroke stroke)

drawPolyline

void drawPolyline(int[] x,
                  int[] y,
                  Paint paint,
                  Stroke stroke)

drawPolyline

void drawPolyline(double[] x,
                  double[] y,
                  Paint paint,
                  Stroke stroke)

drawString

void drawString(String text,
                int x,
                int y,
                Font font,
                Paint paint)

getFontAscent

double getFontAscent(Font font)

getFontHeight

double getFontHeight(Font font)

getStringWidth

double getStringWidth(String text,
                      Font font)

setAntiAliasing

void setAntiAliasing(boolean enable)

setTextAntiAliasing

void setTextAntiAliasing(boolean enable)

dispose

void dispose()

makeImage

void makeImage(Object stream,
               ImageWriter writer,
               ImageWriteParam iwp)
        throws IOException

Throws:

IOException

saveImage

InputStream saveImage(String path,
                      ImageWriter writer,
                      ImageWriteParam iwp)
               throws IOException

Throws:

IOException

getImageBytes

InputStream getImageBytes(ImageWriter writer,
                          ImageWriteParam iwp)
                   throws IOException

Throws:

IOException

loadImage

void loadImage(RrdGraphDef.ImageSource imageSource,
               int x,
               int y,
               int w,
               int h)
        throws IOException

Throws:

IOException