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6.1.17

FillOrder

Property (get, set):

Integer FillOrder

Default:

Get or set the bit ﬁll order.

is MSB (Most signiﬁcant bit) ﬁrst,

is LSB (Least signiﬁcant bit) ﬁrst.

6.1.18

FilterRatio

Property (get, set):

Integer FilterRatio

Default:

This property is used to enable and parameterize super-sampling, a technique to initially render the image at a

higher resolution and then sample it down to the target resolution. As a result of that process the ﬁnal image

appears smoother, i.e. anti-aliased.

Applying super-sampling improves the image quality when rendering at low target resolutions (72 dpi or less); the

higher the target resolution the less the visual impact.

This property requires memory and CPU time quadratically to the ratio, therefore only small values, such as 2 or 3

should be used.

If a too high value (in combination with the original image size) is set, it is ignored.

6.1.19

FitPage

Property (get, set):

Boolean FitPage

Default:

True

Get or set the ﬁt page mode. If set to

True

, the page is scaled to ﬁt the image (in either width or height). If set to

False

, the page is rendered with its true size.

6.1.20

GetImage

Method:

Variant GetImage()

Return the byte array which was previously saved using

CreateImageInMemory

6.1.21

GetOcg

Method:

Ocg GetOcg(Integer Count)

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Return an interface to an optional content group item.

Parameter:

Count [Integer]

The number of the optional content group. Optional content groups are numbered from

OcgCount-1

Returns:

An interface to an optional content group item.

See also

GetOcg

6.1.28

Open

Method:

Boolean Open(String Filename, String Password)

Open a PDF ﬁle, i.e. make the objects contained in the document accessible. If a document is already open, it is

closed ﬁrst.

Parameters:

Filename [String]

The ﬁle name and optionally the ﬁle path, drive or server string according to the oper

ating systems ﬁle name speciﬁcation rules.

Password [String]

(optional) The user or the owner password of the encrypted PDF document. If this

parameter is left out an empty string is used as a default.

Returns:

True

The ﬁle could be successfully opened.

False

The ﬁle does not exist, it is corrupt, or the password is not valid. Use the property

ErrorCode

for addi

tional information.

6.1.29

OpenMem

Method:

Boolean OpenMem(Variant MemBlock, String Password)

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Open a PDF ﬁle, i.e. make the objects contained in the document accessible. If a document is already open, it is

closed ﬁrst.

Parameters:

MemBlock [Variant]

The memory block containing the PDF ﬁle given as a one dimensional byte array.

Password [String]

(optional) The user or the owner password of the encrypted PDF document. If this

parameter is left out an empty string is used as a default.

Returns:

True

The document could be successfully opened.

False

The document could not be opened, it is corrupt, or the password is not valid.

6.1.30

Options

Property (get, set):

TPDFRendererOption Options

Default:

eOptionBicubic + eOptionHighQuality

Set or get a speciﬁc rendering option.

Use bitwise“OR” to add an option.

Use bitwise“AND NOT” to remove an option.

For more information on the options available in the 3-Heights™ PDF to Image Converter API and how to use the

this property please see

TPDFRendererOption

6.1.31

PageCount

Property (get):

Long PageCount

Get the number of pages of an open document. If the document is closed or if the document is a collection (also

known as PDF Portfolio) then this property is

6.1.32

PageHeight

Property (get):

Float PageHeight

Return the height of the page in points.

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6.1.33

PageWidth

Property (get):

Float PageWidth

Return the width of the page in points.

6.1.34

PageNo

Property (get, set):

Long PageNo

Get or set the current page number. Allowed values are in the range from 1 to

PageCount

. This property is not

needed for rendering, but the extraction of page and output bitmap dimensions only.

6.1.35

PreserveAspectRatio

Property (get, set):

Boolean PreserveAspectRatio

Default:

False

6.1.36

Quality

Property (get, set) (deprecated):

Integer Quality

Deprecated, use

ImageQuality

instead.

6.1.37

RenderingMode

Property (get, set):

RenderingMode RenderingMode

There are two rendering modes:

eModeAccurate

(default), and

eModeFast

The accurate mode uses the Windows GDI+ for rendering. This mode allows for image ﬁltering, sub-pixel rendering

and anti-aliasing.

The fast mode uses the Windows GDI for rendering. This mode is generally faster and better suitable to create

bitonal output.

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6.1.38

RenderPage

Method:

Boolean RenderPage(Long PageNumber)

Parameter:

PageNumber [Long]

The page number in the PDF document, non-zero based.

Returns:

True

The page was rendered successfully.

False

The page could not be rendered. Possible reasons are: out of range, no PDF opened, no image created.

6.1.39

RepeatWatermark

Property (get, set):

Boolean RepeatWatermark

Default:

False

Place the watermark set by

SetWatermarkImage

as adjacent tiles over the whole page.

6.1.40

RotateMode

Property (get, set):

TPDFRotateMode RotateMode

Default:

eRotateNone

6.1.41

SetBitmapDimensions

Method:

Void SetBitmapDimensions(Long X, Long Y)

Set the dimensions of the image in pixels.

Parameters:

X [Long]

The X dimension of the image in pixels.

Y [Long]

The Y dimension of the image in pixels.

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6.1.42

SetCMSEngine

Method:

Boolean SetCMSEngine(String CMSEngine)

Set the Color Management System (CMS) Engine. The following strings are supported:

"None"

If this switch is set to

none

then the algorithms speciﬁed in the PDF reference are used. This results in

the maximum possible contrast.

"Neugebauer"

The Neugebauer algorithm eﬃciently converts CMYK to RGB. It does not need any color proﬁles.

The results, however, look similar to conversion using color proﬁles.

"lcms"

(default): Use ICC color proﬁles. Default proﬁles are used for all unmanaged device color spaces as

described in sectionColor Proﬁles

FileName

Providing a ﬁle name, a conﬁgurable version of the Neugebauer algorithm is applied. The coeﬃcients

can be deﬁned in the text ﬁle. The default Neugebauer coeﬃcients are listed below (Red, Green, Blue; Color):

0.996078, 0.996078, 0.996078 ; White

0.000000, 0.686275, 0.937255 ; C

0.925490, 0.149020, 0.560784 ; M

1.000000, 0.949020, 0.066667 ; Y

0.215686, 0.203922, 0.207843 ; K

0.243137, 0.247059, 0.584314 ; CM

0.000000, 0.658824, 0.349020 ; CY

0.066667, 0.176471, 0.215686 ; CK

0.929412, 0.196078, 0.215686 ; MY

0.215686, 0.101961, 0.141176 ; MK

0.200000, 0.196078, 0.125490 ; YK

0.266667, 0.266667, 0.274510 ; CMY

0.133333, 0.098039, 0.160784 ; CMK

0.074510, 0.180392, 0.133333 ; CYK

0.215686, 0.121569, 0.113725 ; MYK

0.125490, 0.121569, 0.121569 ; CMYK

The Neugebauer algorithm mixes the colors based on the amount of color and the corresponding weighted coef

ﬁcient. Altering the values for a pure color speciﬁcally changes the result for this pure color.

The color transition remains smooth.

6.1.43

SetCMYKProfile

Method:

Boolean SetCMYKProfile(String FileName)

Set the path to the CMYK proﬁle. If no path is set, a default proﬁle is used (seeColor Proﬁles

Parameter:

FileName [String]

The path and ﬁle name of the ICC CMYK color proﬁle.

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6.1.44

SetLicenseKey

Method:

Boolean SetLicenseKey(String LicenseKey)

Set the license key.

6.1.45

SetPageSize

Method:

Void SetPageSize(Single X, Single e Y)

Set the dimensions of the image in points.

Parameters:

X [Single]

The X dimension of the image in points.

Y [Single]

The Y dimension of the image in points.

6.1.46

SetsRGBProfile

Method:

Boolean SetsRGBProfile(String FileName)

Set the path to the RGB proﬁle. If no path is set, a default proﬁle is used (seeColor Proﬁles

Parameter:

FileName [String]

The path and ﬁle name of the ICC RGB color proﬁle.

Returns:

True

The color proﬁle could successfully be selected.

False

Otherwise.

6.1.47

SetWatermarkImage

Method:

Boolean SetWatermarkImage(String FileName, Single Left, Single e Bottom)

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Set a watermark image from a ﬁle at the speciﬁed position in points. The watermark is placed once, unless the

property

RepeatWatermark

is set to

True

6.1.48

XDPI

YDPI

Property (get, set):

Single XDPI

Default:

150

Property (get, set):

Single YDPI

Default:

150

Get or set the resolution in the X and Y-axis of the image in dots per inch.

6.2

Pdf2PdfImg

Interface

This Interface is included in the

Pdf2PdfImgOCX.dll

This interface takes a PDF document as input and creates a rasterized PDF document as output. Rasterized means

the document no longer contains vector graphics or texts, but only one raster image per page.

6.2.1

BitsPerPixel

Property (get, set):

Integer BitsPerPixel

Default:

Get or set the color depth. Bi-tonal:

, gray scale:

, RGB true color:

, CMYK:

When using 1 bit per pixel, it is suggested to disable anti-aliasing (disable

eOptionHighQuality

) and set a suit

able dithering algorithm (property

Dithering

6.2.2

Center

Property (get, set):

Boolean Center

Default:

False

Set or get the center mode. When set to

True

, the document is horizontally and vertically centered on the page.

When set to

False

, the document is printed to the upper left corner of the page.

6.2.3

Method:

Boolean Close()

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Close an opened input ﬁle. If the document is already closed the method does nothing.

Returns:

True

The ﬁle was closed successfully.

False

Otherwise.

6.2.4

CloseImage

Method:

Boolean CloseImage()

Close an open image document. If the document is already closed the method does nothing.

Returns:

True

The image ﬁle could successfully be closed.

False

Otherwise.

6.2.5

Compression

Property (get, set):

TPDFCompression Compression

Default:

eComprRaw

Get or set the compression type of TIFF images. For any other image format, the compression is automatically

deﬁned by the ﬁle extension (the ﬁle name).

The supported values for

TPDFCompression

are listed in the corresponding enumeration.

6.2.6

ConvertFile

Method:

Boolean ConvertFile(String PDFFileName, String g ImageFileName, String

Password)

Convert a complete PDF ﬁle to a

Parameters:

PDFFileName [String]

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