LogicOpAttrib

class LogicOpAttrib

Bases: RenderAttrib

If enabled, specifies that a custom logical operation be performed instead of any color blending. Setting it to a value other than M_none will cause color blending to be disabled and the given logic operation to be performed.

Added in version 1.10.0.

Inheritance diagram

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enum Operation

enumerator O_none = 0

LogicOp disabled, regular blending occurs.

enumerator O_clear = 1

Clears framebuffer value.

enumerator O_and = 2

enumerator O_and_reverse = 3

enumerator O_copy = 4

Writes the incoming color to the framebuffer.

enumerator O_and_inverted = 5

enumerator O_noop = 6

Leaves the framebuffer value unaltered.

enumerator O_xor = 7

enumerator O_or = 8

enumerator O_nor = 9

enumerator O_equivalent = 10

enumerator O_invert = 11

enumerator O_or_reverse = 12

enumerator O_copy_inverted = 13

enumerator O_or_inverted = 14

enumerator O_nand = 15

enumerator O_set = 16

Sets all the bits in the framebuffer to 1.

static LogicOpAttrib.get_class_slot()

static LogicOpAttrib.get_class_type()

LogicOpAttrib.get_operation()

Returns the logic operation specified by this attribute.

static LogicOpAttrib.make()

Constructs a new LogicOpAttrib object with the given logic operation.

static LogicOpAttrib.make_default()

Returns a RenderAttrib that corresponds to whatever the standard default properties for render attributes of this type ought to be.

static LogicOpAttrib.make_off()

Constructs a new LogicOpAttrib object that disables special-effect blending, allowing normal transparency to be used instead.