com.shockwave.pdfium

Class PdfiumCore

java.lang.Object

com.shockwave.pdfium.PdfiumCore

public class PdfiumCore
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
PdfiumCore(android.content.Context ctx) Context needed to get screen density

Method Summary

Modifier and Type	Method and Description
void	closeDocument(PdfDocument doc) Release native resources and opened file
PdfDocument.Meta	getDocumentMeta(PdfDocument doc) Get metadata for given document
static int	getNumFd(android.os.ParcelFileDescriptor fdObj)
int	getPageCount(PdfDocument doc) Get total numer of pages in document
int	getPageHeight(PdfDocument doc, int index) Get page height in pixels.
int	getPageHeightPoint(PdfDocument doc, int index) Get page height in PostScript points (1/72th of an inch).
java.util.List<PdfDocument.Link>	getPageLinks(PdfDocument doc, int pageIndex) Get all links from given page
Size	getPageSize(PdfDocument doc, int index) Get size of page in pixels.
int	getPageWidth(PdfDocument doc, int index) Get page width in pixels.
int	getPageWidthPoint(PdfDocument doc, int index) Get page width in PostScript points (1/72th of an inch).
java.util.List<PdfDocument.Bookmark>	getTableOfContents(PdfDocument doc) Get table of contents (bookmarks) for given document
android.graphics.Point	mapPageCoordsToDevice(PdfDocument doc, int pageIndex, int startX, int startY, int sizeX, int sizeY, int rotate, double pageX, double pageY) Map page coordinates to device screen coordinates
android.graphics.RectF	mapRectToDevice(PdfDocument doc, int pageIndex, int startX, int startY, int sizeX, int sizeY, int rotate, android.graphics.RectF coords)
PdfDocument	newDocument(byte[] data) Create new document from bytearray
PdfDocument	newDocument(byte[] data, java.lang.String password) Create new document from bytearray with password
PdfDocument	newDocument(android.os.ParcelFileDescriptor fd) Create new document from file
PdfDocument	newDocument(android.os.ParcelFileDescriptor fd, java.lang.String password) Create new document from file with password
long	openPage(PdfDocument doc, int pageIndex) Open page and store native pointer in PdfDocument
long[]	openPage(PdfDocument doc, int fromIndex, int toIndex) Open range of pages and store native pointers in PdfDocument
void	renderPage(PdfDocument doc, android.view.Surface surface, int pageIndex, int startX, int startY, int drawSizeX, int drawSizeY) Render page fragment on Surface.
void	renderPage(PdfDocument doc, android.view.Surface surface, int pageIndex, int startX, int startY, int drawSizeX, int drawSizeY, boolean renderAnnot) Render page fragment on Surface.
void	renderPageBitmap(PdfDocument doc, android.graphics.Bitmap bitmap, int pageIndex, int startX, int startY, int drawSizeX, int drawSizeY) Render page fragment on Bitmap.
void	renderPageBitmap(PdfDocument doc, android.graphics.Bitmap bitmap, int pageIndex, int startX, int startY, int drawSizeX, int drawSizeY, boolean renderAnnot) Render page fragment on Bitmap.

Methods inherited from class java.lang.Object

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

Constructor Detail

PdfiumCore

public PdfiumCore(android.content.Context ctx)

Context needed to get screen density

Method Detail

getNumFd

public static int getNumFd(android.os.ParcelFileDescriptor fdObj)

newDocument

public PdfDocument newDocument(android.os.ParcelFileDescriptor fd)
                        throws java.io.IOException

Create new document from file

Throws:

java.io.IOException

newDocument

public PdfDocument newDocument(android.os.ParcelFileDescriptor fd,
                               java.lang.String password)
                        throws java.io.IOException

Create new document from file with password

Throws:

java.io.IOException

newDocument

public PdfDocument newDocument(byte[] data)
                        throws java.io.IOException

Create new document from bytearray

Throws:

java.io.IOException

newDocument

public PdfDocument newDocument(byte[] data,
                               java.lang.String password)
                        throws java.io.IOException

Create new document from bytearray with password

Throws:

java.io.IOException

getPageCount

public int getPageCount(PdfDocument doc)

Get total numer of pages in document

openPage

public long openPage(PdfDocument doc,
                     int pageIndex)

Open page and store native pointer in PdfDocument

openPage

public long[] openPage(PdfDocument doc,
                       int fromIndex,
                       int toIndex)

Open range of pages and store native pointers in PdfDocument

getPageWidth

public int getPageWidth(PdfDocument doc,
                        int index)

Get page width in pixels.
This method requires page to be opened.

getPageHeight

public int getPageHeight(PdfDocument doc,
                         int index)

Get page height in pixels.
This method requires page to be opened.

getPageWidthPoint

public int getPageWidthPoint(PdfDocument doc,
                             int index)

Get page width in PostScript points (1/72th of an inch).
This method requires page to be opened.

getPageHeightPoint

public int getPageHeightPoint(PdfDocument doc,
                              int index)

Get page height in PostScript points (1/72th of an inch).
This method requires page to be opened.

getPageSize

public Size getPageSize(PdfDocument doc,
                        int index)

Get size of page in pixels.
This method does not require given page to be opened.

renderPage

public void renderPage(PdfDocument doc,
                       android.view.Surface surface,
                       int pageIndex,
                       int startX,
                       int startY,
                       int drawSizeX,
                       int drawSizeY)

Render page fragment on Surface.
Page must be opened before rendering.

renderPage

public void renderPage(PdfDocument doc,
                       android.view.Surface surface,
                       int pageIndex,
                       int startX,
                       int startY,
                       int drawSizeX,
                       int drawSizeY,
                       boolean renderAnnot)

Render page fragment on Surface. This method allows to render annotations.
Page must be opened before rendering.

renderPageBitmap

public void renderPageBitmap(PdfDocument doc,
                             android.graphics.Bitmap bitmap,
                             int pageIndex,
                             int startX,
                             int startY,
                             int drawSizeX,
                             int drawSizeY)

Render page fragment on Bitmap.
Page must be opened before rendering.

Supported bitmap configurations:

• ARGB_8888 - best quality, high memory usage, higher possibility of OutOfMemoryError
• RGB_565 - little worse quality, twice less memory usage

renderPageBitmap

public void renderPageBitmap(PdfDocument doc,
                             android.graphics.Bitmap bitmap,
                             int pageIndex,
                             int startX,
                             int startY,
                             int drawSizeX,
                             int drawSizeY,
                             boolean renderAnnot)

Render page fragment on Bitmap. This method allows to render annotations.
Page must be opened before rendering.

For more info see renderPageBitmap(PdfDocument, Bitmap, int, int, int, int, int)

closeDocument

public void closeDocument(PdfDocument doc)

Release native resources and opened file

getDocumentMeta

public PdfDocument.Meta getDocumentMeta(PdfDocument doc)

Get metadata for given document

getTableOfContents

public java.util.List<PdfDocument.Bookmark> getTableOfContents(PdfDocument doc)

Get table of contents (bookmarks) for given document

getPageLinks

public java.util.List<PdfDocument.Link> getPageLinks(PdfDocument doc,
                                                     int pageIndex)

Get all links from given page

mapPageCoordsToDevice

public android.graphics.Point mapPageCoordsToDevice(PdfDocument doc,
                                                    int pageIndex,
                                                    int startX,
                                                    int startY,
                                                    int sizeX,
                                                    int sizeY,
                                                    int rotate,
                                                    double pageX,
                                                    double pageY)

Map page coordinates to device screen coordinates

Parameters:

doc - pdf document

pageIndex - index of page

startX - left pixel position of the display area in device coordinates

startY - top pixel position of the display area in device coordinates

sizeX - horizontal size (in pixels) for displaying the page

sizeY - vertical size (in pixels) for displaying the page

rotate - page orientation: 0 (normal), 1 (rotated 90 degrees clockwise), 2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise)

pageX - X value in page coordinates

pageY - Y value in page coordinate

Returns:

mapped coordinates

mapRectToDevice

public android.graphics.RectF mapRectToDevice(PdfDocument doc,
                                              int pageIndex,
                                              int startX,
                                              int startY,
                                              int sizeX,
                                              int sizeY,
                                              int rotate,
                                              android.graphics.RectF coords)

Returns:

mapped coordinates

See Also:

mapPageCoordsToDevice(PdfDocument, int, int, int, int, int, int, double, double)