|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.apache.poi.ss.util.ImageUtils
public class ImageUtils
Field Summary | |
---|---|
static int |
PIXEL_DPI
|
Constructor Summary | |
---|---|
ImageUtils()
|
Method Summary | |
---|---|
static java.awt.Dimension |
getImageDimension(java.io.InputStream is,
int type)
Return the dimension of this image |
static int[] |
getResolution(javax.imageio.ImageReader r)
The metadata of PNG and JPEG can contain the width of a pixel in millimeters. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final int PIXEL_DPI
Constructor Detail |
---|
public ImageUtils()
Method Detail |
---|
public static java.awt.Dimension getImageDimension(java.io.InputStream is, int type)
is
- the stream containing the image datatype
- type of the picture: Workbook.PICTURE_TYPE_JPEG
,
Workbook.PICTURE_TYPE_PNG
or Workbook.PICTURE_TYPE_DIB
public static int[] getResolution(javax.imageio.ImageReader r) throws java.io.IOException
25.4/HorizontalPixelSize
and 25.4/VerticalPixelSize
. Where 25.4 is the number of mm in inch.
{horisontalPdi, verticalDpi}
.
{96, 96} is the default.
java.io.IOException
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |