Pattern.createLinear

Create a new linear gradient cairo_pattern_t along the line defined by (x0, y0) and (x1, y1). Before using the gradient pattern, a number of color stops should be defined using cairo_pattern_add_color_stop_rgb() or cairo_pattern_add_color_stop_rgba(). Note: The coordinates here are in pattern space. For a new pattern, pattern space is identical to user space, but the relationship between the spaces can be changed with cairo_pattern_set_matrix().

class Pattern
static
createLinear
(
double x0
,
double y0
,
double x1
,
double y1
)

Parameters

x0 double

x coordinate of the start point

y0 double

y coordinate of the start point

x1 double

x coordinate of the end point

y1 double

y coordinate of the end point

Return Value

Type: Pattern

the newly created cairo_pattern_t if successful, or an error pattern in case of no memory. The caller owns the returned object and should call cairo_pattern_destroy() when finished with it. This function will always return a valid pointer, but if an error occurred the pattern status will be set to an error. To inspect the status of a pattern use cairo_pattern_status().

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