TsgDrawingNavigator |
  
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TsgDrawingNavigator |
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TsgDrawingNavigator displays a graphical image.
Unit
Description
Component TsgDrawingNavigator is intended for displaying files of various graphic formats. It descends from TsgCustomControl.
Object of TsgDrawingNavigator class allows:
| • | loading files (LoadFromFile) |
| • | fitting selected by mouse rectangle within visible part of the control |
| • | scaling by mouse wheel |
| • | scaling by function (AlterScale) |
| • | panning by middle or right mouse button |
| • | panning by scroll bars |
| • | panning and scaling by function (ShowRect) |
| • | getting previous states of control (CallPreviousView) |
| • | fitting image within visible part of the control (FitToSize) |
| • | stretching within visible part of the control (Stretch) |
| • | snap (SnapControl) |
| • | converting point to drawing coordinates (GetDrawingCoords) |
| • | converting point to inner drawing's coordinates (GetDrawingInternalCoords) |
| • | converting point to inner drawing's coordinates without snapping (GetDrawingInternalCoordsWithoutSnap) |
| • | converting point UCS drawing's coordinates (GetDrawingUCSCoords) - for DXF and DWG only |
| • | displaying necessary point (ShowPoint) |
| • | changing background color (Color) |
| • | 3D viewing (Orbit3D) |
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