The following are possible values for the LPaintEffect::DrawGradient function's uStyle parameter, which specifies the gradient direction (transitioning from one color to another):
Value |
Meaning |
Linear gradient class
EFX_GRADIENT_LINE_L_TO_R |
Line left to right |
EFX_GRADIENT_LINE_R_TO_L |
Line right to left |
EFX_GRADIENT_LINETTO_B |
Line top to bottom |
EFX_GRADIENT_LINE_B_TO_T |
Line bottom to top |
EFX_GRADIENT_LINE_LT_TO_RB |
Line left-top to right-bottom |
EFX_GRADIENT_LINE_LB_TO_RT |
Line left-bottom to right-top |
EFX_GRADIENT_LINE_RT_TO_LB |
Line right-top to left-bottom |
EFX_GRADIENT_LINE_RB_TO_LT |
Line right-bottom to left-top |
EFX_GRADIENT_LINE2_L_AND_R_TO_C |
Line2 left and right to center |
EFX_GRADIENT_LINE2_C_TO_L_AND_R |
Line2 center to left and right |
EFX_GRADIENT_LINE2TAND_B_TO_C |
Line2 top and bottom to center |
EFX_GRADIENT_LINE2_C_TOTAND_B |
Line2 center to top and bottom |
EFX_GRADIENT_LINE2_LT_AND_RB_TO_C |
Line2 left-top and right-bottom to center |
EFX_GRADIENT_LINE2_C_TO_LT_AND_RB |
Line2 center to left-top and right-bottom |
EFX_GRADIENT_LINE2_RT_AND_LB_TO_C |
Line2 right-top and left-bottom to center |
EFX_GRADIENT_LINE2_C_TO_RT_AND_LB |
Line2 center to right-top and left-bottom |
EFX_GRADIENT_LINE_MAX |
Number of gradients in this class. |
Angular gradient class
EFX_GRADIENT_ANGLE_TO_LT |
Angle to left-top |
EFX_GRADIENT_ANGLE_TO_LB |
Angle to left-bottom |
EFX_GRADIENT_ANGLE_TO_RT |
Angle to right-top |
EFX_GRADIENT_ANGLE_TO_RB |
Angle to right-bottom |
EFX_GRADIENT_ANGLE_FROM_LT |
Angle from left-top |
EFX_GRADIENT_ANGLE_FROM_LB |
Angle from left-bottom |
EFX_GRADIENT_ANGLE_FROM_RT |
Angle from right-top |
EFX_GRADIENT_ANGLE_FROM_RB |
Angle from right-bottom |
EFX_GRADIENT_ANGLE_MAX |
Number of gradients in this class. |
Rectangular gradient class
EFX_GRADIENT_RECTANGLE_TO_C |
Rectangle to center |
EFX_GRADIENT_RECTANGLE_FROM_C |
Rectangle from center |
EFX_GRADIENT_RECTANGLE_MAX |
Number of gradients in this class. |
Elliptical gradient class
EFX_GRADIENT_ELLIPSE_TO_C |
Ellipse to center |
EFX_GRADIENT_ELLIPSE_FROM_C |
Ellipse from center |
EFX_GRADIENT_ELLIPSE_MAX |
Number of gradients in this class. |
Conical gradient class
EFX_GRADIENT_CONE_FROM_L |
Cone from left |
EFX_GRADIENT_CONE_FROM_R |
Cone from right |
EFX_GRADIENT_CONE_FROM_T |
Cone from top |
EFX_GRADIENT_CONE_FROM_B |
Cone from bottom |
EFX_GRADIENT_CONE_FROM_LT |
Cone from left-top |
EFX_GRADIENT_CONE_FROM_LB |
Cone from left-bottom |
EFX_GRADIENT_CONE_FROM_RT |
Cone from right-top |
EFX_GRADIENT_CONE_FROM_RB |
Cone from right-bottom |
EFX_GRADIENT_CONE_MAX |
Number of gradients in this class. |
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