预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

CAIRO_STATUS_SUCCESS ( integer)

CAIRO_STATUS_NO_MEMORY ( integer)

CAIRO_STATUS_INVALID_RESTORE ( integer)

CAIRO_STATUS_INVALID_POP_GROUP ( integer)

CAIRO_STATUS_NO_CURRENT_POINT ( integer)

CAIRO_STATUS_INVALID_MATRIX ( integer)

CAIRO_STATUS_INVALID_STATUS ( integer)

CAIRO_STATUS_NULL_POINTER ( integer)

CAIRO_STATUS_INVALID_STRING ( integer)

CAIRO_STATUS_INVALID_PATH_DATA ( integer)

CAIRO_STATUS_READ_ERROR ( integer)

CAIRO_STATUS_WRITE_ERROR ( integer)

CAIRO_STATUS_SURFACE_FINISHED ( integer)

CAIRO_STATUS_SURFACE_TYPE_MISMATCH ( integer)

CAIRO_STATUS_PATTERN_TYPE_MISMATCH ( integer)

CAIRO_STATUS_INVALID_CONTENT ( integer)

CAIRO_STATUS_INVALID_FORMAT ( integer)

CAIRO_STATUS_INVALID_VISUAL ( integer)

CAIRO_STATUS_FILE_NOT_FOUND ( integer)

CAIRO_STATUS_INVALID_DASH ( integer)

CAIRO_STATUS_INVALID_DSC_COMMENT ( integer)

CAIRO_STATUS_INVALID_INDEX ( integer)

CAIRO_STATUS_CLIP_NOT_REPRESENTABLE ( integer)

CAIRO_STATUS_TEMP_FILE_ERROR ( integer)

CAIRO_STATUS_INVALID_STRIDE ( integer)

CAIRO_ANTIALIAS_DEFAULT ( integer)

CAIRO_ANTIALIAS_NONE ( integer)

CAIRO_ANTIALIAS_GRAY ( integer)

CAIRO_ANTIALIAS_SUBPIXEL ( integer)

CAIRO_SUBPIXEL_ORDER_DEFAULT ( integer)

CAIRO_SUBPIXEL_ORDER_RGB ( integer)

CAIRO_SUBPIXEL_ORDER_BGR ( integer)

CAIRO_SUBPIXEL_ORDER_VRGB ( integer)

CAIRO_SUBPIXEL_ORDER_VBGR ( integer)

CAIRO_FILL_RULE_WINDING ( integer)

CAIRO_FILL_RULE_EVEN_ODD ( integer)

CAIRO_LINE_CAP_BUTT ( integer)

CAIRO_LINE_CAP_ROUND ( integer)

CAIRO_LINE_CAP_SQUARE ( integer)

CAIRO_LINE_JOIN_MITER ( integer)

CAIRO_LINE_JOIN_ROUND ( integer)

CAIRO_LINE_JOIN_BEVEL ( integer)

CAIRO_OPERATOR_CLEAR ( integer)

CAIRO_OPERATOR_SOURCE ( integer)

CAIRO_OPERATOR_OVER ( integer)

CAIRO_OPERATOR_IN ( integer)

CAIRO_OPERATOR_OUT ( integer)

CAIRO_OPERATOR_ATOP ( integer)

CAIRO_OPERATOR_DEST ( integer)

CAIRO_OPERATOR_DEST_OVER ( integer)

CAIRO_OPERATOR_DEST_IN ( integer)

CAIRO_OPERATOR_DEST_OUT ( integer)

CAIRO_OPERATOR_DEST_ATOP ( integer)

CAIRO_OPERATOR_XOR ( integer)

CAIRO_OPERATOR_ADD ( integer)

CAIRO_OPERATOR_SATURATE ( integer)

CAIRO_PATTERN_TYPE_SOLID ( integer)

CAIRO_PATTERN_TYPE_SURFACE ( integer)

CAIRO_PATTERN_TYPE_LINEAR ( integer)

CAIRO_PATTERN_TYPE_RADIAL ( integer)

CAIRO_EXTEND_NONE ( integer)

CAIRO_EXTEND_REPEAT ( integer)

CAIRO_EXTEND_REFLECT ( integer)

CAIRO_EXTEND_PAD ( integer)

CAIRO_FILTER_FAST ( integer)

CAIRO_FILTER_GOOD ( integer)

CAIRO_FILTER_BEST ( integer)

CAIRO_FILTER_NEAREST ( integer)

CAIRO_FILTER_BILINEAR ( integer)

CAIRO_FILTER_GAUSSIAN ( integer)

CAIRO_HINT_STYLE_DEFAULT ( integer)

CAIRO_HINT_STYLE_NONE ( integer)

CAIRO_HINT_STYLE_SLIGHT ( integer)

CAIRO_HINT_STYLE_MEDIUM ( integer)

CAIRO_HINT_STYLE_FULL ( integer)

CAIRO_HINT_METRICS_DEFAULT ( integer)

CAIRO_HINT_METRICS_OFF ( integer)

CAIRO_HINT_METRICS_ON ( integer)

CAIRO_FONT_TYPE_TOY ( integer)

CAIRO_FONT_TYPE_FT ( integer)

CAIRO_FONT_TYPE_WIN32 ( integer)

CAIRO_FONT_TYPE_QUARTZ ( integer)

CAIRO_FONT_SLANT_NORMAL ( integer)

CAIRO_FONT_SLANT_ITALIC ( integer)

CAIRO_FONT_SLANT_OBLIQUE ( integer)

CAIRO_FONT_WEIGHT_NORMAL ( integer)

CAIRO_FONT_WEIGHT_BOLD ( integer)

CAIRO_CONTENT_COLOR ( integer)

CAIRO_CONTENT_ALPHA ( integer)

CAIRO_CONTENT_COLOR_ALPHA ( integer)

CAIRO_SURFACE_TYPE_IMAGE ( integer)

CAIRO_SURFACE_TYPE_PDF ( integer)

CAIRO_SURFACE_TYPE_PS ( integer)

CAIRO_SURFACE_TYPE_XLIB ( integer)

CAIRO_SURFACE_TYPE_XCB ( integer)

CAIRO_SURFACE_TYPE_GLITZ ( integer)

CAIRO_SURFACE_TYPE_QUARTZ ( integer)

CAIRO_SURFACE_TYPE_WIN32 ( integer)

CAIRO_SURFACE_TYPE_BEOS ( integer)

CAIRO_SURFACE_TYPE_DIRECTFB ( integer)

CAIRO_SURFACE_TYPE_SVG ( integer)

CAIRO_SURFACE_TYPE_OS2 ( integer)

CAIRO_SURFACE_TYPE_WIN32_PRINTING ( integer)

CAIRO_SURFACE_TYPE_QUARTZ_IMAGE ( integer)

CAIRO_FORMAT_ARGB32 ( integer)

CAIRO_FORMAT_RGB24 ( integer)

CAIRO_FORMAT_A8 ( integer)

CAIRO_FORMAT_A1 ( integer)

CAIRO_PS_LEVEL_2 ( integer)

CAIRO_PS_LEVEL_3 ( integer)

CAIRO_SVG_VERSION_1_1 ( integer)

CAIRO_SVG_VERSION_1_2 ( integer)