Pixbuf.calculateRowstride

Calculates the rowstride that an image created with those values would have.

This function is useful for front-ends and backends that want to check image values without needing to create a gdkpixbuf.pixbuf.Pixbuf.

class Pixbuf

static

int

calculateRowstride

(

gdkpixbuf.types.Colorspace colorspace

,

,

int bitsPerSample

,

,

)

Parameters

colorspace gdkpixbuf.types.Colorspace: Color space for image
hasAlpha bool: Whether the image should have transparency information
bitsPerSample int: Number of bits per color sample
width int: Width of image in pixels, must be > 0
height int: Height of image in pixels, must be > 0

Return Value

Type: int

the rowstride for the given values, or -1 in case of error.