cairo_content_t

cairo_content_t is used to describe the content that a surface will contain, whether color information, alpha information (translucence vs. opacity), or both. Note: The large values here are designed to keep cairo_content_t values distinct from cairo_format_t values so that the implementation can detect the error if users confuse the two types. CAIRO_CONTENT_COLOR The surface will hold color content only. (Since 1.0) CAIRO_CONTENT_ALPHA The surface will hold alpha content only. (Since 1.0) CAIRO_CONTENT_COLOR_ALPHA The surface will hold color and alpha content. (Since 1.0) Since 1.0

Values

ValueMeaning
COLOR0x1000
ALPHA0x2000
COLOR_ALPHA0x3000

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