DLI Implementation and Reference Guide - Datalogics

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A.166 DLI Reference Guide dlpdftext (void *Text, ASUns32 Length, ASAtom Encoding) Return Value: DLPDFTEXT* Concepts and Facilities: Guide to the DL Pager Composition System Description Parameters Return Value Returns a DLPDFTEXT structure for the given Text and Length, in the given Encoding. • void *Text: the text to be passed to the DLPDFTEXT structure • ASUns32 Length: Length of the Text string in bytes. • ASAtom Encoding: Encoding of the input Text; a valid ICU Encoding value; see Technical Notes below DLPDFTEXT* Exceptions Header Related Methods Availability dli.h dlpdftextfromutf8, dlpdftextfromutf16be, dlpdftextfromutf16he, dlpdftextfromutf16le, dlpdftextfromutf32be, dlpdftextfromutf32he, dlpdftextfromutf32le All DLI-supported platforms. Technical Notes 1 Text passed to this method does not require a NULL terminator, since its Length is given as a calling argument. Conversely, the related methods listed above do not accept a Length argument, and assume that a NULL terminator is present. 2 Valid ICU Encoding values for the Encoding argument of this method can be obtained via the dlpdftextshowencodingnames call.
DLI Reference Guide A.167 dlpdftextadvance (DLPDFTEXT *Text, DLPDFFONT *Font, PDEGraphicState *GState, PDETextState *TState, ASFixed PointSize, ASFixed SetWidth, dlpdftext_X XMeaning, ASFixed Angle, ASFixedPoint *Advance) Return Value: void Description Parameters Return Value This method supplies the x and y advance for a string in a DLPDFTEXT area. • DLPDFTEXT *Text: the text structure to be acted upon • DLPDFFONT *Font: The specified font • PDEGraphicState *GState: Contains definitions of colors to be applied, and line sizes and parameters to be used when drawing a path • PDETextState *TState: Current text state; should not be NULL. A zero-filled PDETextState parameter is permitted. • ASFixed PointSize: Point size • ASFixed SetWidth: Set width • dlpdftext_X XMeaning: DLPDFTEXT_X_LEFT or DLPDFTEXT_X_RIGHT, used to indicate whether the starting location is the left or right end (respectively) of the text, distinguishing a left-to-right line order (e.g. English) from a right-to-left line order (e.g. Arabic) • ASFixed Angle: Angle of flow, in degrees, as an ASFixed counterclockwise angle • ASFixedPoint *Advance: The returned x and y position change after evaluation of the text void Exceptions
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