ImageGear for C and C++ on Windows v19.10 - Updated
IG_ARTX_ruler_create
API Reference Guide > ArtX Component API Reference > ArtX Component Objects Reference > HIG_ARTX_RULER > IG_ARTX_ruler_create

This function creates a new instance of ruler annotation (HIG_ARTX_MARK_RULER).

Declaration:

 
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AT_ERRCOUNT ACCUAPI IG_ARTX_ruler_create(
        LPAT_POINT lpPoints,    
        LPAT_ARTX_BORDER pLine,
        LPAT_ARTX_ASPECTRATIO lpAspectRatio,
        AT_INT nStartLineLength,
        AT_INT nEndLineLength,
        AT_INT nPrecision,
        LPSTR lpszLabel,
        LPAT_ARTX_FONT logFont,
        AT_INT nOpacity,
        LPHIG_ARTX_RULER lphMark
);

Arguments:

Name Type Description
lpPoints LPAT_POINT Array of exactly two points that define the length of the ruler:
  • The first point is the start point.
  • The second point is the end point.
pLine LPAT_ARTX_BORDER Pointer to line style.
lpAspectRatio LPAT_ARTX_ASPECTRATIO Pointer to the aspect ratio.
nStartLineLength AT_INT The length of the start point touch.
nEndLineLength AT_INT The length of the end point touch.
nPrecision AT_INT The number of digits after the decimal point to report for ruler measurements.
lpszLabel LPSTR The text to label ruler measurements.
logFont LPAT_ARTX_FONT Pointer to the ruler text font.
nOpacity AT_INT The annotation opacity. Valid values are 0 to 255.
lphMark LPHIG_ARTX_RULER Pointer to storage that is overwritten with the new annotation handle.

Return Value:

Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

This function does not process image pixels.

Remarks:

Upon successful completion: