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DynaPDF Manual - Page 721

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Function Reference
Page 721 of 770
To disable the progress callback functions set the parameters InitProgress and Progress to NULL.
Return values of the progress callback function:
The return value of the progress callback function must be 0, any other return value breaks
Return values (SetProgressProc()):
If the function succeeds the return value is 1. If the function fails the return value is 0.
LBOOL pdfSetResolution(
const PPDF* IPDF, // Instance pointer
UI32 Value)
// Image resolution in DPI
The function sets the resolution in DPI (Dots per Inch), in which images are stored by DynaPDF. The
property will be ignored if the property SaveNewImageFormat was set to false. 1 bit images are always
stored in the original resolution. The image resolution must be in the range 72 to 2048 DPI.
Default value = 150 (DPI)
Return values:
If the function succeeds the return value is 1. If the function fails the return value is 0.
LBOOL pdfSetSaveNewImageFormat(
const PPDF* IPDF, // Instance pointer
LBOOL Value)
// If true, images are downscaled if necessary
The property SaveNewImageFormat specifies whether images should be downscaled if the original
resolution of the image is higher than the value of the property resolution (see also SetResolution()).
If the property SaveNewImageFormat is false, JPEG compressed images will be inserted in pass-
through mode as long as the image is not a CMYK JPEG (such images must be converted because
Acrobat viewer require another byte order).
Default value = true
LBOOL pdfSetSeparationInfo(
const PPDF* IPDF, // Instance pointer
UI32 Handle)
// Separation color space handle
The function sets the separation info of the current open page. The parameter Handle must be a valid
handle of a Separation color space.

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