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gf_draw_spanlist()

Draw a list of spans

Synopsis:

int gf_draw_spanlist (
        gf_context_t    context,
        unsigned        nspans,
        int             x1[],
        int             x2[],
        int             y[]  );

Arguments:

context: The graphics context to use.
nspans: The number of spans in the list.
x1, x2: An array of left and right x values for the spans.
y: An array of y values for the spans.

Library:

gf

Description:

This function draws a list of spans in the current foreground color. A span is a horizontal run of pixels with fixed height of one pixel.

Returns:

GF_ERR_OK: Success.
GF_ERR_NOLOCK: The hardware isn't locked; check to ensure gf_draw_begin() was called successfully.

Classification:

QNX Graphics Framework

Safety:
Interrupt handler	No
Signal handler	No
Thread	Yes