com.fr.base

类 GraphHelper

java.lang.Object

com.fr.base.GraphHelper

public class GraphHelper
extends java.lang.Object

Graphics draw, fill.

方法概要

方法

限定符和类型	方法和说明
static void	applyRenderingHints(java.awt.Graphics g) 使用系统默认的渲染方式
static java.awt.image.BufferedImage	createBufferedImageFromImage(java.awt.Image image) 将Image对象转为BufferedImage
static java.awt.image.BufferedImage	createBufferedImageFromImageWithLayout(java.awt.Image image, int width, int height, Style style) 从图片中创建一张不带布局的图片
static void	draw(java.awt.Graphics g, java.awt.Shape shape) Draw a shape
static void	draw(java.awt.Graphics g, java.awt.Shape shape, int lineStyle) Draw a shape with line style.
static void	drawArc(java.awt.Graphics g, double x, double y, double width, double height, double startAngle, double arcAngle) Draw a circular or elliptical arc covering the specified rectangle.
static void	drawArc(java.awt.Graphics g, double x, double y, double width, double height, double startAngle, double arcAngle, int lineStyle) Draw a circular or elliptical arc covering the specified rectangle.
static void	drawLine(java.awt.Graphics g, double x1, double y1, double x2, double y2) Draw a thin line.
static void	drawLine(java.awt.Graphics g, double x1, double y1, double x2, double y2, int lineStyle) Draw a line according to type.
static void	drawRect(java.awt.Graphics g, double x, double y, double width, double height) Draw the specified rectangle.
static void	drawRect(java.awt.Graphics g, double x, double y, double width, double height, int lineStyle) Draw the specified rectangle.
static void	drawRotatedString(java.awt.Graphics g, java.lang.String str, double x, double y, int rotation) 画旋转字体.
static void	drawRotatedString(java.awt.Graphics g, java.lang.String str, double x, double y, int rotation, double scale) Draw rotated string.
static void	drawString(java.awt.Graphics g, java.lang.String str, double x, double y) Draw string.
static void	drawString2(java.awt.Graphics g, java.lang.String str, double x, double y, int width) 画字符串.
static void	fill(java.awt.Graphics g, java.awt.Shape shape) 填充区域
static void	fillArc(java.awt.Graphics g, double x, double y, double width, double height, double startAngle, double arcAngle) 填充弧形区域
static void	fillRect(java.awt.Graphics g, double x, double y, double width, double height) 填充矩形区域
static java.awt.FontMetrics	getFontMetrics(java.awt.Font font) Do not create new FontMetrics object every time.
static java.awt.FontMetrics	getFontMetrics(java.awt.Font font, java.awt.Graphics2D g2d) 获得字体规格属性.
static int	getLineStyleSize(int lineStyle) Return the size of line style.
static int	getLocTextWidth(java.lang.String key) 已过时。
static int	getLocTextWidth(java.lang.String key, java.awt.Font font) 已过时。
static java.awt.Stroke	getStroke(int lineStyle) Create a stroke object from a line style.
static int	getWidth(java.lang.String value)
static int	getWidth(java.lang.String value, java.awt.Font font)
static void	paintImage(java.awt.Graphics g, int width, int height, java.awt.Image image, int layout, int hAlign, int vAlign, int specifiedImageWidth, int specifiedImageHeight) Paint Image according to its layout and style
static void	paintImage(java.awt.Graphics g, int width, int height, java.awt.Image image, int layout, int hAlign, int vAlign, int specifiedImageWidth, int specifiedImageHeight, boolean isNotSupportARGB) 默认非移动初始位置 初始高度偏移0, 初始宽度偏移0, 图片paint
static void	paintImageMoved(java.awt.Graphics g, int width, int height, java.awt.Image image, int layout) 将图片绘制到画板上
static void	paintImageMoved(java.awt.Graphics g, int width, int height, java.awt.Image image, int layout, int hAlign, int vAlign, int specifiedImageWidth, int specifiedImageHeight, int moveWidth, int moveHeight, boolean isNotSupportARGB) 默认背景白色的 图片paint
static void	paintImageMoved(java.awt.Graphics g, int width, int height, java.awt.Image image, int layout, int hAlign, int vAlign, int specifiedImageWidth, int specifiedImageHeight, int moveWidth, int moveHeight, boolean isNotSupportARGB, java.awt.Color backgroundcolor) Paint Image according to its layout and style
static void	setStroke(java.awt.Graphics2D g2d, java.awt.Stroke stroke) Set stroke.
static java.awt.geom.Dimension2D	stringDimensionWithRotation(java.lang.String string, java.awt.Font font, int rotation, java.awt.font.FontRenderContext fontRenderContext) 将旋转的字符串转为矩形区域
static double	stringWidth(java.lang.String string, java.awt.Font font, java.awt.font.FontRenderContext fontRenderContext) 获取字符宽度

从类继承的方法 java.lang.Object

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

方法详细资料

draw

public static void draw(java.awt.Graphics g,
        java.awt.Shape shape)

Draw a shape

参数:

g - the graphics.

shape - the shape to be rendered.

draw

public static void draw(java.awt.Graphics g,
        java.awt.Shape shape,
        int lineStyle)

Draw a shape with line style.

参数:

g - the graphics.

shape - the shape to be rendered.

lineStyle - the line style of rectangle.

drawLine

public static void drawLine(java.awt.Graphics g,
            double x1,
            double y1,
            double x2,
            double y2)

Draw a thin line.

参数:

g - the graphics.

x1 - line start x

y1 - line start y

x2 - line end x

y2 - line end y

drawLine

public static void drawLine(java.awt.Graphics g,
            double x1,
            double y1,
            double x2,
            double y2,
            int lineStyle)

Draw a line according to type. The lineStyle was defined in ReportConstants.

drawRect

public static void drawRect(java.awt.Graphics g,
            double x,
            double y,
            double width,
            double height)

Draw the specified rectangle.

参数:

x - the x coordinate of the rectangle to be drawn.

y - the y coordinate of the rectangle to be drawn.

width - the width of the rectangle to be drawn.

height - the height of the rectangle to be drawn.

drawRect

public static void drawRect(java.awt.Graphics g,
            double x,
            double y,
            double width,
            double height,
            int lineStyle)

Draw the specified rectangle.

参数:

x - the x coordinate of the rectangle to be drawn.

y - the y coordinate of the rectangle to be drawn.

width - the width of the rectangle to be drawn.

height - the height of the rectangle to be drawn.

lineStyle - the line style of rectangle.

drawArc

public static void drawArc(java.awt.Graphics g,
           double x,
           double y,
           double width,
           double height,
           double startAngle,
           double arcAngle)

Draw a circular or elliptical arc covering the specified rectangle.

参数:

x - the x coordinate of the rectangle to be drawn.

y - the y coordinate of the rectangle to be drawn.

width - the width of the rectangle to be drawn.

height - the height of the rectangle to be drawn.

drawArc

public static void drawArc(java.awt.Graphics g,
           double x,
           double y,
           double width,
           double height,
           double startAngle,
           double arcAngle,
           int lineStyle)

Draw a circular or elliptical arc covering the specified rectangle.

参数:

x - the x coordinate of the rectangle to be drawn.

y - the y coordinate of the rectangle to be drawn.

width - the width of the rectangle to be drawn.

height - the height of the rectangle to be drawn.

lineStyle - the line style of shape.

fill

public static void fill(java.awt.Graphics g,
        java.awt.Shape shape)

填充区域

参数:

g - 画板

shape - 指定区域

fillRect

public static void fillRect(java.awt.Graphics g,
            double x,
            double y,
            double width,
            double height)

填充矩形区域

参数:

g - 画板

x - x坐标

y - y坐标

width - 宽度

height - 高度

fillArc

public static void fillArc(java.awt.Graphics g,
           double x,
           double y,
           double width,
           double height,
           double startAngle,
           double arcAngle)

填充弧形区域

参数:

g - 画板

x - x坐标

y - y坐标

width - 宽度

height - 高度

startAngle - 起始角度

arcAngle - 弧度

drawString

public static void drawString(java.awt.Graphics g,
              java.lang.String str,
              double x,
              double y)

Draw string.

参数:

str - the string to be rendered.

x - the X coordinates.

y - the X coordinates. should be rendered.

drawString2

public static void drawString2(java.awt.Graphics g,
               java.lang.String str,
               double x,
               double y,
               int width)

画字符串.

drawRotatedString

public static void drawRotatedString(java.awt.Graphics g,
                     java.lang.String str,
                     double x,
                     double y,
                     int rotation)

画旋转字体.

drawRotatedString

public static void drawRotatedString(java.awt.Graphics g,
                     java.lang.String str,
                     double x,
                     double y,
                     int rotation,
                     double scale)

Draw rotated string.

参数:

str - the string to be rendered.

x - the X coordinates.

y - the X coordinates.

rotation - the rotation of the string.

createBufferedImageFromImage

public static java.awt.image.BufferedImage createBufferedImageFromImage(java.awt.Image image)

将Image对象转为BufferedImage

参数:

image - 图片

返回:

BufferedImage图片

createBufferedImageFromImageWithLayout

public static java.awt.image.BufferedImage createBufferedImageFromImageWithLayout(java.awt.Image image,
                                                                  int width,
                                                                  int height,
                                                                  Style style)

从图片中创建一张不带布局的图片

参数:

image - 指定的图片

width - 宽度

height - 高度

style - 样式

返回:

图片

setStroke

public static void setStroke(java.awt.Graphics2D g2d,
             java.awt.Stroke stroke)

Set stroke.

getStroke

public static java.awt.Stroke getStroke(int lineStyle)

Create a stroke object from a line style.

getLineStyleSize

public static int getLineStyleSize(int lineStyle)

Return the size of line style.

stringWidth

public static double stringWidth(java.lang.String string,
                 java.awt.Font font,
                 java.awt.font.FontRenderContext fontRenderContext)

获取字符宽度

参数:

string - 字符

font - 字体

fontRenderContext - 字体信息

返回:

字符串宽度

getLocTextWidth

@Deprecated
public static int getLocTextWidth(java.lang.String key,
                             java.awt.Font font)

已过时。

获取国际化后的字符串长度

参数:

font - 当前字体

key - 国际化key

返回:

字符串长度

getLocTextWidth

@Deprecated
public static int getLocTextWidth(java.lang.String key)

已过时。

获取国际化后的字符串长度, 使用默认字体

参数:

key - 国际化key

返回:

字符串长度

getWidth

public static int getWidth(java.lang.String value)

getWidth

public static int getWidth(java.lang.String value,
           java.awt.Font font)

stringDimensionWithRotation

public static java.awt.geom.Dimension2D stringDimensionWithRotation(java.lang.String string,
                                                    java.awt.Font font,
                                                    int rotation,
                                                    java.awt.font.FontRenderContext fontRenderContext)

将旋转的字符串转为矩形区域

参数:

string - 字符串

font - 字体

rotation - 旋转角度

fontRenderContext - 字体信息

返回:

矩形区域

getFontMetrics

public static java.awt.FontMetrics getFontMetrics(java.awt.Font font,
                                  java.awt.Graphics2D g2d)

获得字体规格属性.

getFontMetrics

public static java.awt.FontMetrics getFontMetrics(java.awt.Font font)

Do not create new FontMetrics object every time.

paintImage

public static void paintImage(java.awt.Graphics g,
              int width,
              int height,
              java.awt.Image image,
              int layout,
              int hAlign,
              int vAlign,
              int specifiedImageWidth,
              int specifiedImageHeight)

Paint Image according to its layout and style

参数:

g -

width - the width of the draw pane

height - the height of the draw pane

image - image to be painted

layout - the layout of the image

paintImage

public static void paintImage(java.awt.Graphics g,
              int width,
              int height,
              java.awt.Image image,
              int layout,
              int hAlign,
              int vAlign,
              int specifiedImageWidth,
              int specifiedImageHeight,
              boolean isNotSupportARGB)

默认非移动初始位置 初始高度偏移0, 初始宽度偏移0, 图片paint

paintImageMoved

public static void paintImageMoved(java.awt.Graphics g,
                   int width,
                   int height,
                   java.awt.Image image,
                   int layout,
                   int hAlign,
                   int vAlign,
                   int specifiedImageWidth,
                   int specifiedImageHeight,
                   int moveWidth,
                   int moveHeight,
                   boolean isNotSupportARGB)

默认背景白色的 图片paint

paintImageMoved

public static void paintImageMoved(java.awt.Graphics g,
                   int width,
                   int height,
                   java.awt.Image image,
                   int layout)

将图片绘制到画板上

参数:

g - 当前画板

width - 画板宽度

height - 画板高度

image - 绘制的图片

layout - 绘制图片的布局

paintImageMoved

public static void paintImageMoved(java.awt.Graphics g,
                   int width,
                   int height,
                   java.awt.Image image,
                   int layout,
                   int hAlign,
                   int vAlign,
                   int specifiedImageWidth,
                   int specifiedImageHeight,
                   int moveWidth,
                   int moveHeight,
                   boolean isNotSupportARGB,
                   java.awt.Color backgroundcolor)

Paint Image according to its layout and style

参数:

g -

width - the width of the draw pane

height - the height of the draw pane

image - image to be painted

layout - the layout of the image

moveWidth - the moveWidth that the background hide

moveHeight - the moveHeight that the background hide see paintImage(), this method has two more parameters. by Denny note by Denny: 这个函数应该是用来在冻结行列时候画背景图片的，所以多了两个参数.

applyRenderingHints

public static void applyRenderingHints(java.awt.Graphics g)

使用系统默认的渲染方式

参数:

g - Graphics