org.dromara.pdf.pdfbox.util

Class CommonUtil

java.lang.Object

org.dromara.pdf.pdfbox.util.CommonUtil

public class CommonUtil
extends Object

公共工具

Since:

1.8

Copyright (c) 2020-2024 xsx All Rights Reserved. x-easypdf-pdfbox is licensed under Mulan PSL v2. You can use this software according to the terms and conditions of the Mulan PSL v2. You may obtain a copy of Mulan PSL v2 at: http://license.coscl.org.cn/MulanPSL2 THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. See the Mulan PSL v2 for more details.

Author:

xsx

Constructor Summary

Constructors

Constructor and Description
CommonUtil()

Method Summary

Modifier and Type	Method and Description
static void	addBackgroundColor(Context context, ContentMode mode, boolean isResetContentStream, org.apache.pdfbox.pdmodel.common.PDRectangle rectangle, Color backgroundColor) 添加背景颜色
static int[]	createIntArray(int size) 创建基本整型数组
static void	extractImage(List<BufferedImage> list, org.apache.pdfbox.pdmodel.PDResources resources) 提取图像
static List<BufferedImage>	extractImage(org.apache.pdfbox.pdmodel.PDPage page) 提取图像
static org.apache.pdfbox.pdmodel.common.PDRectangle	getRectangle(float width, float height) 获取行尺寸
static org.apache.pdfbox.pdmodel.common.PDRectangle	getRectangle(float beginX, float beginY, float width, float height) 获取行尺寸
static void	initFontColorAndAlpha(org.apache.pdfbox.pdmodel.PDPageContentStream stream, Color backgroundColor, FontStyle fontStyle, Color fontColor, Color strokColor, float fontAlpha) 初始化字体颜色及透明度
static float	initLineWidth(FontStyle style) 初始化线宽
static void	initMatrix(org.apache.pdfbox.pdmodel.PDPageContentStream stream, float beginX, float beginY, float relativeBeginX, float relativeBeginY, float width, float height, float angle, float alpha) 初始化矩阵
static List<Character>	toCharacterList(char[] array) 转字符型列表
static double[]	toDoubleArray(List<Double> list) 转基本双精度浮点型数组
static float[]	toFloatArray(List<Float> list) 转基本浮点型数组
static int[]	toIntArray(List<Integer> list) 转基本整型数组

Methods inherited from class java.lang.Object

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

Constructor Detail

CommonUtil

public CommonUtil()

Method Detail

initFontColorAndAlpha

public static void initFontColorAndAlpha(org.apache.pdfbox.pdmodel.PDPageContentStream stream,
                                         Color backgroundColor,
                                         FontStyle fontStyle,
                                         Color fontColor,
                                         Color strokColor,
                                         float fontAlpha)

初始化字体颜色及透明度

Parameters:

stream - 内容流

fontStyle - 字体样式

fontColor - 字体颜色

fontColor - 字体描边颜色

fontAlpha - 字体透明度

initMatrix

public static void initMatrix(org.apache.pdfbox.pdmodel.PDPageContentStream stream,
                              float beginX,
                              float beginY,
                              float relativeBeginX,
                              float relativeBeginY,
                              float width,
                              float height,
                              float angle,
                              float alpha)

初始化矩阵

Parameters:

stream - 内容流

beginX - X轴起始坐标

beginY - Y轴起始坐标

relativeBeginX - X轴相对起始坐标

relativeBeginY - Y轴相对起始坐标

width - 宽度

height - 高度

angle - 旋转角度

alpha - 透明度

initLineWidth

public static float initLineWidth(FontStyle style)

初始化线宽

Parameters:

style - 字体样式

Returns:

返回线宽

extractImage

public static List<BufferedImage> extractImage(org.apache.pdfbox.pdmodel.PDPage page)

提取图像

Parameters:

page - 页面

Returns:

返回图像列表

extractImage

public static void extractImage(List<BufferedImage> list,
                                org.apache.pdfbox.pdmodel.PDResources resources)

提取图像

Parameters:

list - 待接收图片列表

resources - 页面资源

addBackgroundColor

public static void addBackgroundColor(Context context,
                                      ContentMode mode,
                                      boolean isResetContentStream,
                                      org.apache.pdfbox.pdmodel.common.PDRectangle rectangle,
                                      Color backgroundColor)

添加背景颜色

Parameters:

context - 上下文

mode - 内容模式

isResetContentStream - 是否重置内容流

rectangle - 矩形

backgroundColor - 背景颜色

getRectangle

public static org.apache.pdfbox.pdmodel.common.PDRectangle getRectangle(float beginX,
                                                                        float beginY,
                                                                        float width,
                                                                        float height)

获取行尺寸

Parameters:

beginX - X轴起始坐标

beginY - Y轴起始坐标

width - 宽度

height - 高度

Returns:

返回尺寸

getRectangle

public static org.apache.pdfbox.pdmodel.common.PDRectangle getRectangle(float width,
                                                                        float height)

获取行尺寸

Parameters:

width - 宽度

height - 高度

Returns:

返回尺寸

toIntArray

public static int[] toIntArray(List<Integer> list)

转基本整型数组

Parameters:

list - 列表

Returns:

返回数组

toFloatArray

public static float[] toFloatArray(List<Float> list)

转基本浮点型数组

Parameters:

list - 列表

Returns:

返回数组

toDoubleArray

public static double[] toDoubleArray(List<Double> list)

转基本双精度浮点型数组

Parameters:

list - 列表

Returns:

返回数组

toCharacterList

public static List<Character> toCharacterList(char[] array)

转字符型列表

Parameters:

array - 数组

Returns:

返回列表

createIntArray

public static int[] createIntArray(int size)

创建基本整型数组

Parameters:

size - 大小

Returns:

返回数组