TIEViewRulerParams.GripsPosBase
Declaration
property GripsPosBase: TIERulerPosBase;
Description
Specifies the type of values used for grip position properties:
HorzGripsPos,
VertGripsPos,
HorzGripsMin,
HorzGripsMax,
VertGripsMin and
VertGripsMax.
The following options are available:
| Item | Description |
| ierbRuler | Values are ruler values (taking into account the DPI set by Units |
| ierbBitmap | Values are pixel positions on the currently displayed image (regardless of zoom, scrolling, etc) |
| ierbScreen | Values are screen values |
Default: ierbBitmap
// Add three grips at 25%, 50% and 75% of the image width
ImageEnView1.RulerParams.HorzGripsCount := 3;
ImageEnView1.RulerParams.GripsPosBase := ierbBitmap; // Units are relative to the bitmap
ImageEnView1.RulerParams.HorzGripsPos[ 0 ] := MulDiv( ImageEnView1.IEBitmap.Width, 1, 4 );
ImageEnView1.RulerParams.HorzGripsPos[ 1 ] := MulDiv( ImageEnView1.IEBitmap.Width, 2, 4 );
ImageEnView1.RulerParams.HorzGripsPos[ 2 ] := MulDiv( ImageEnView1.IEBitmap.Width, 3, 4 );