/
operator.go
49 lines (45 loc) · 2.08 KB
/
operator.go
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package cairo
// #include <stdlib.h>
// #include <cairo.h>
// #include <cairo-gobject.h>
import "C"
import (
"unsafe"
)
// Operator is a representation of Cairo's cairo_operator_t.
type Operator int
const (
OPERATOR_CLEAR Operator = C.CAIRO_OPERATOR_CLEAR
OPERATOR_SOURCE Operator = C.CAIRO_OPERATOR_SOURCE
OPERATOR_OVER Operator = C.CAIRO_OPERATOR_OVER
OPERATOR_IN Operator = C.CAIRO_OPERATOR_IN
OPERATOR_OUT Operator = C.CAIRO_OPERATOR_OUT
OPERATOR_ATOP Operator = C.CAIRO_OPERATOR_ATOP
OPERATOR_DEST Operator = C.CAIRO_OPERATOR_DEST
OPERATOR_DEST_OVER Operator = C.CAIRO_OPERATOR_DEST_OVER
OPERATOR_DEST_IN Operator = C.CAIRO_OPERATOR_DEST_IN
OPERATOR_DEST_OUT Operator = C.CAIRO_OPERATOR_DEST_OUT
OPERATOR_DEST_ATOP Operator = C.CAIRO_OPERATOR_DEST_ATOP
OPERATOR_XOR Operator = C.CAIRO_OPERATOR_XOR
OPERATOR_ADD Operator = C.CAIRO_OPERATOR_ADD
OPERATOR_SATURATE Operator = C.CAIRO_OPERATOR_SATURATE
OPERATOR_MULTIPLY Operator = C.CAIRO_OPERATOR_MULTIPLY
OPERATOR_SCREEN Operator = C.CAIRO_OPERATOR_SCREEN
OPERATOR_OVERLAY Operator = C.CAIRO_OPERATOR_OVERLAY
OPERATOR_DARKEN Operator = C.CAIRO_OPERATOR_DARKEN
OPERATOR_LIGHTEN Operator = C.CAIRO_OPERATOR_LIGHTEN
OPERATOR_COLOR_DODGE Operator = C.CAIRO_OPERATOR_COLOR_DODGE
OPERATOR_COLOR_BURN Operator = C.CAIRO_OPERATOR_COLOR_BURN
OPERATOR_HARD_LIGHT Operator = C.CAIRO_OPERATOR_HARD_LIGHT
OPERATOR_SOFT_LIGHT Operator = C.CAIRO_OPERATOR_SOFT_LIGHT
OPERATOR_DIFFERENCE Operator = C.CAIRO_OPERATOR_DIFFERENCE
OPERATOR_EXCLUSION Operator = C.CAIRO_OPERATOR_EXCLUSION
OPERATOR_HSL_HUE Operator = C.CAIRO_OPERATOR_HSL_HUE
OPERATOR_HSL_SATURATION Operator = C.CAIRO_OPERATOR_HSL_SATURATION
OPERATOR_HSL_COLOR Operator = C.CAIRO_OPERATOR_HSL_COLOR
OPERATOR_HSL_LUMINOSITY Operator = C.CAIRO_OPERATOR_HSL_LUMINOSITY
)
func marshalOperator(p uintptr) (interface{}, error) {
c := C.g_value_get_enum((*C.GValue)(unsafe.Pointer(p)))
return Operator(c), nil
}