| Value | Meaning |
|---|---|
| CAIRO_CONTENT_COLOR0x1000 | The surface will hold color content only. |
| CAIRO_CONTENT_ALPHA0x2000 | The surface will hold alpha content only. |
| CAIRO_CONTENT_COLOR_ALPHA0x3000 | The surface will hold color and alpha content. |
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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.