net.posprinter.utils

Class BitmapProcess

java.lang.Object

net.posprinter.utils.BitmapProcess

public class BitmapProcess
extends java.lang.Object

Image processing For printers, there are image processing: such as image rotation, reverse, mirror printing, etc., you can also directly process the image before printing

Constructor Summary

Constructors

Constructor and Description
BitmapProcess()

Method Summary

Modifier and Type	Method and Description
static android.graphics.Bitmap	compressBmpByPrinterWidth(android.graphics.Bitmap bitmap, net.posprinter.utils.BitmapProcess.PrinterWidth printerWidth) Compress the picture according to the width of the printing paper
static android.graphics.Bitmap	compressBmpByYourWidth(android.graphics.Bitmap bitmap, int w) Compress the picture according to the width you give.
static java.util.List<android.graphics.Bitmap>	cutBitmap(int h, android.graphics.Bitmap bitmap) Cutting picture method, cutting picture with equal height, return to List
static android.graphics.Bitmap	resizeImage(android.graphics.Bitmap bitmap, int w, boolean isOriginal) Compress image width and height
static android.graphics.Bitmap	rotateBmp(android.graphics.Bitmap bitmap, net.posprinter.utils.BitmapProcess.RotateType rotateType) Rotate picture

Methods inherited from class java.lang.Object

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

Constructor Detail

BitmapProcess

public BitmapProcess()

Method Detail

compressBmpByPrinterWidth

public static android.graphics.Bitmap compressBmpByPrinterWidth(android.graphics.Bitmap bitmap,
                                                                net.posprinter.utils.BitmapProcess.PrinterWidth printerWidth)

Compress the picture according to the width of the printing paper

Parameters:

bitmap -

printerWidth -

Returns:

compressBmpByYourWidth

public static android.graphics.Bitmap compressBmpByYourWidth(android.graphics.Bitmap bitmap,
                                                             int w)

Compress the picture according to the width you give. If the picture width is larger than the given width, it will be compressed, otherwise it will not be compressed

Parameters:

bitmap -

w -

Returns:

rotateBmp

public static android.graphics.Bitmap rotateBmp(android.graphics.Bitmap bitmap,
                                                net.posprinter.utils.BitmapProcess.RotateType rotateType)

Rotate picture

Parameters:

bitmap -

rotateType -

Returns:

cutBitmap

public static java.util.List<android.graphics.Bitmap> cutBitmap(int h,
                                                                android.graphics.Bitmap bitmap)

Cutting picture method, cutting picture with equal height, return to List

Parameters:

h -

bitmap -

Returns:

resizeImage

public static android.graphics.Bitmap resizeImage(android.graphics.Bitmap bitmap,
                                                  int w,
                                                  boolean isOriginal)

Compress image width and height

Parameters:

bitmap -

w -

isOriginal -

Returns: