D2D1_CONTRAST_PROP enumeration (d2d1effects_2.h)

Identifiers for properties of the Contrast effect.

Syntax

typedef enum D2D1_CONTRAST_PROP {
  D2D1_CONTRAST_PROP_CONTRAST = 0,
  D2D1_CONTRAST_PROP_CLAMP_INPUT = 1,
  D2D1_CONTRAST_PROP_FORCE_DWORD = 0xffffffff
} ;

Constants

D2D1_CONTRAST_PROP_CONTRAST Value: 0 The D2D1_CONTRAST_PROP_CONTRAST property is a float value indicating the amount by which to adjust the contrast of the image. Negative values reduce contrast, while positive values increase contrast. Minimum value is -1.0f, maximum value is 1.0f. The default value for the property is 0.0f.
D2D1_CONTRAST_PROP_CLAMP_INPUT Value: 1 The D2D1_CONTRAST_PROP_CLAMP_INPUT property is a boolean value indicating whether or not to clamp the input to [0.0, 1.0]. The default value for the property is FALSE.
D2D1_CONTRAST_PROP_FORCE_DWORD Value: 0xffffffff

Requirements

Requirement	Value
Header	d2d1effects_2.h (include D2d1_effects_2.h)

See also

Built-in Effects

Contrast effect

CreateEffect