D2D1_SCALE_PROP enumeration (d2d1effects.h)

Identifiers for properties of the Scale effect.

Syntax

typedef enum D2D1_SCALE_PROP {
  D2D1_SCALE_PROP_SCALE = 0,
  D2D1_SCALE_PROP_CENTER_POINT = 1,
  D2D1_SCALE_PROP_INTERPOLATION_MODE = 2,
  D2D1_SCALE_PROP_BORDER_MODE = 3,
  D2D1_SCALE_PROP_SHARPNESS = 4,
  D2D1_SCALE_PROP_FORCE_DWORD = 0xffffffff
} ;

Constants

D2D1_SCALE_PROP_SCALE Value: 0 The scale amount in the X and Y direction as a ratio of the output size to the input size. This property a D2D1_VECTOR_2F defined as: (X scale, Y scale). The scale amounts are FLOAT, unitless, and must be positive or 0. The type is D2D1_VECTOR_2F. The default value is {1.0f, 1.0f}.
D2D1_SCALE_PROP_CENTER_POINT Value: 1 The image scaling center point. This property is a D2D1_VECTOR_2F defined as: (point X, point Y). The units are in DIPs. Use the center point property to scale around a point other than the upper-left corner. The type is D2D1_VECTOR_2F. The default value is {0.0f, 0.0f}.
D2D1_SCALE_PROP_INTERPOLATION_MODE Value: 2 The interpolation mode the effect uses to scale the image. There are 6 scale modes that range in quality and speed. The type is D2D1_SCALE_INTERPOLATION_MODE. The default value is D2D1_SCALE_INTERPOLATION_MODE_LINEAR.
D2D1_SCALE_PROP_BORDER_MODE Value: 3 The mode used to calculate the border of the image, soft or hard. The type is D2D1_BORDER_MODE. The default value is D2D1_BORDER_MODE_SOFT.
D2D1_SCALE_PROP_SHARPNESS Value: 4 In the high quality cubic interpolation mode, the sharpness level of the scaling filter as a float between 0 and 1. The values are unitless. You can use sharpness to adjust the quality of an image when you scale the image down. The sharpness factor affects the shape of the kernel. The higher the sharpness factor, the smaller the kernel. Note  This property affects only the high quality cubic interpolation mode.   The type is FLOAT. The default value is 0.0f.
D2D1_SCALE_PROP_FORCE_DWORD Value: 0xffffffff

Requirements

Requirement	Value
Header	d2d1effects.h