Class TMeasurementPointItem

Unit

CompressedImageUnit

Declaration

type TMeasurementPointItem = class(TCollectionItem)

Description

TMeasurementPointItem is used to specify the real-world coordinates of a pixel in a bitmap.

Hierarchy

• TCollectionItem
• TMeasurementPointItem

Overview

Fields

	FPixelX: integer;
	FPixelY: integer;
	FX: double;
	FY: double;

Methods

	procedure InvalidateParentItem;
	procedure SetPixelX(const Value: integer);
	procedure SetPixelY(const Value: integer);
	procedure SetX(const Value: double);
	procedure SetY(const Value: double);
	procedure Assign(Source: TPersistent); override;

Properties

	property PixelX: integer read FPixelX write SetPixelX;
	property PixelY: integer read FPixelY write SetPixelY;
	property X: double read FX write SetX;
	property Y: double read FY write SetY;

Description

Fields

	FPixelX: integer;
See PixelX.

	FPixelY: integer;
See PixelY.

	FX: double;
See X.

	FY: double;
See Y.

Methods

	procedure InvalidateParentItem;
InvalidateParentItem invalidates the TCompressedBitmapItem that owns it.

	procedure SetPixelX(const Value: integer);
See PixelX.

	procedure SetPixelY(const Value: integer);
See PixelY.

	procedure SetX(const Value: double);
See X.

	procedure SetY(const Value: double);
See Y.

	procedure Assign(Source: TPersistent); override;
If Source is a TMeasurementPointItem, Assign copies the data of Source.

Properties

	property PixelX: integer read FPixelX write SetPixelX;
PixelX is the X pixel coordinate.

	property PixelY: integer read FPixelY write SetPixelY;
PixelY is the Y pixel coordinate.

	property X: double read FX write SetX;
X is the X real-world coordinate.

	property Y: double read FY write SetY;
Y is the Y real-world coordinate.