Q46803: Presentation Graphics Allows Only One Color Per Data Series

Article: Q46803
Product(s): See article
Version(s): 2.00
Operating System(s): MS-DOS
Keyword(s): ENDUSER | | mspl13_c
Last Modified: 17-JUL-1989

Question:

Can the colors of individual bars (or columns) on a single-series bar
(or column) chart be changed?

Response:

No; the only way to change colors is to change the color for the
entire series, and therefore for all of the bars (or columns). This is
done by modifying the "paletteentry" structure, which is assigned to
the series. The paletteentry structure is defined as follows:

typedef struct
{
    unsigned short          color;
    unsigned short          style;
    fillmap                 fill;
    char                    plotchar;
} paletteentry;

An array of paletteentry types is predefined as

   typedef paletteentry palettetype[_PG_PALETTELEN];

where _PG_PALETTELEN is the number of series defined.

When using a single-series chart, only palettetype[0] is defined,
giving you the ability to assign one color, one style, one fillmask,
and one plot character to the series. This is by design and
cannot be changed.

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