RGtk2 (version 2.12.17)

cairoFormatStrideForWidth: cairoFormatStrideForWidth

Description

This function provides a stride value that will respect all alignment requirements of the accelerated image-rendering code within cairo. Typical usage will be of the form:

Usage

cairoFormatStrideForWidth(format, width)

Arguments

format

[CairoFormat] A CairoFormat value

width

[integer] The desired width of an image surface to be created.

Value

• [integer] the appropriate stride to use given the desired format and width.

Details

int stride; unsigned char *data; cairo_surface_t *surface;

stride = cairo_format_stride_for_width (format, width); data = malloc (stride * height); surface = cairo_image_surface_create_for_data (data, format, width, height);

Since 1.6