NAME
TextExtent -- Determine raster extent of text data. (V36)
SYNOPSIS
TextExtent(rp, string, count, textExtent)
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void TextExtent(struct RastPort *, STRPTR, WORD,
struct TextExtent *);Links: RastPort TextExtent
FUNCTION
This function determines a more complete metric of the space that a text string would render into than the TextLength function.
INPUTS
rp - a pointer to the RastPort which describes where the text attributes reside. string - the address of the string to determine the length of. count - the number of characters in the string. If zero, there are no characters in the string. textExtent - a structure to hold the result.
RESULTS
textExtent is filled in as follows: te_Width - same as TextLength result: the rp_cp_x advance that rendering this text would cause. te_Height - same as tf_YSize. The height of the font. te_Extent.MinX - the offset to the left side of the rectangle this would render into. Often zero. te_Extent.MinY - same as -tf_Baseline. The offset from the baseline to the top of the rectangle this would render into. te_Extent.MaxX - the offset of the left side of the rectangle this would render into. Often the same as te_Width-1. te_Extent.MaxY - same as tf_YSize-tf_Baseline-1. The offset from the baseline to the bottom of the rectanangle this would render into.
SEE ALSO