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Class TBGRAVectorizedFont

Description
Hierarchy
Fields
Methods
Properties

Unit

BGRAVectorize

Declaration

type TBGRAVectorizedFont = class(TBGRACustomTypeWriter)

Description

Allows to vectorize and to load vectorized font and draw them

Hierarchy

Overview

Fields

Public StrikeOutDecoration: boolean;
Public UnderlineDecoration: boolean;

Methods

Public constructor Create; overload;
Public constructor Create(AVectorizeLCL: boolean); overload;
Public destructor Destroy; override;
Public function GetGlyphSize(AIdentifier:string): TPointF;
Public function GetTextGlyphSizes(ATextUTF8:string): TGlyphSizes;
Public function GetTextRectGlyphBoxes(ATextUTF8: string; X1,Y1,X2,Y2: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft): TGlyphBoxes; overload;
Public function GetTextRectGlyphBoxes(ATextUTF8: string; ATopLeft,ABottomRight: TPointF; AAlign: TBGRATypeWriterAlignment=twaTopLeft): TGlyphBoxes; overload;
Public function GetTextSize(ATextUTF8:string): TPointF;
Public function GetTextWordBreakGlyphBoxes(ATextUTF8: string; X,Y, MaxWidth: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TGlyphBoxes;
Public function LoadGlyphsInfo(AFilenameUTF8: string): TBGRAGlyphsInfo;
Public function TextFitInfo(ATextUTF8: string; AMaxWidth: single): integer;
Protected function ComputeKerning(AIdLeft, AIdRight: string): single; override;
Protected function CustomHeaderSize: integer; override;
Protected function GetGlyph(AIdentifier: string): TBGRAGlyph; override;
Protected function HeaderName: string; override;
Protected function ReadVectorizedFontHeader(AStream: TStream): TBGRAVectorizedFontHeader;
Public procedure CopyTextPathTo(ADest: IBGRAPath; ATextUTF8: string; X, Y: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft); override;
Public procedure DrawText(ADest: TBGRACanvas2D; ATextUTF8: string; X, Y: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft); override;
Public procedure DrawTextRect(ADest: TBGRACanvas2D; ATextUTF8: string; ATopLeft,ABottomRight: TPointF; AAlign: TBGRATypeWriterAlignment=twaTopLeft); overload;
Public procedure DrawTextRect(ADest: TBGRACanvas2D; ATextUTF8: string; X1,Y1,X2,Y2: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft); overload;
Public procedure DrawTextWordBreak(ADest: TBGRACanvas2D; ATextUTF8: string; X, Y, MaxWidth: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft);
Public procedure SplitText(var ATextUTF8: string; AMaxWidth: single; out ARemainsUTF8: string);
Public procedure UpdateDirectory;
Protected procedure DefaultWordBreakHandler(var ABefore, AAfter: string);
Protected procedure Init(AVectorizeLCL: boolean);
Protected procedure NeedBuffer;
Protected procedure ReadAdditionalHeader(AStream: TStream); override;
Protected procedure SetDirectory(const AValue: string);
Protected procedure UpdateFont;
Protected procedure UpdateMatrix;
Protected procedure WriteCustomHeader(AStream: TStream); override;

Properties

Public property Directory: string read FDirectory write SetDirectory;
Public property EmHeight: single read GetEmHeight write SetEmHeight;
Public property FontEmHeightRatio: single read GetFontEmHeightRatio;
Public property FontFound: boolean read FFontFound;
Public property FontMatrix: TAffineMatrix read FFontMatrix write SetFontMatrix;
Public property FontPixelMetric: TFontPixelMetric read GetFontPixelMetric;
Public property FullHeight: single read FFullHeight write SetFullHeight;
Public property ItalicSlope: single read FItalicSlope write SetItalicSlope;
Public property LCLHeight: single read GetLCLHeight write SetLCLHeight;
Public property Name: string read FName write SetName;
Public property OnWordBreak: TWordBreakHandler read FWordBreakHandler write FWordBreakHandler;
Public property Orientation: single read FOrientation write SetOrientation;
Public property QuadraticCurves: boolean read FQuadraticCurves write SetQuadraticCurves;
Public property Resolution: integer read FResolution write SetResolution;
Public property Style: TFontStyles read FStyle write SetStyle;
Public property VectorizeLCL: boolean read FVectorizeLCL write SetVectorizeLCL;

Description

Fields

Public StrikeOutDecoration: boolean;

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Public UnderlineDecoration: boolean;

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Methods

Public constructor Create; overload;

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Public constructor Create(AVectorizeLCL: boolean); overload;

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Public destructor Destroy; override;

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Public function GetGlyphSize(AIdentifier:string): TPointF;

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Public function GetTextGlyphSizes(ATextUTF8:string): TGlyphSizes;

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Public function GetTextRectGlyphBoxes(ATextUTF8: string; X1,Y1,X2,Y2: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft): TGlyphBoxes; overload;

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Public function GetTextRectGlyphBoxes(ATextUTF8: string; ATopLeft,ABottomRight: TPointF; AAlign: TBGRATypeWriterAlignment=twaTopLeft): TGlyphBoxes; overload;

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Public function GetTextSize(ATextUTF8:string): TPointF;

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Public function GetTextWordBreakGlyphBoxes(ATextUTF8: string; X,Y, MaxWidth: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TGlyphBoxes;

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Public function LoadGlyphsInfo(AFilenameUTF8: string): TBGRAGlyphsInfo;

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Public function TextFitInfo(ATextUTF8: string; AMaxWidth: single): integer;

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Protected function ComputeKerning(AIdLeft, AIdRight: string): single; override;

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Protected function CustomHeaderSize: integer; override;

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Protected function GetGlyph(AIdentifier: string): TBGRAGlyph; override;

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Protected function HeaderName: string; override;

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Protected function ReadVectorizedFontHeader(AStream: TStream): TBGRAVectorizedFontHeader;

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Public procedure CopyTextPathTo(ADest: IBGRAPath; ATextUTF8: string; X, Y: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft); override;

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Public procedure DrawText(ADest: TBGRACanvas2D; ATextUTF8: string; X, Y: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft); override;

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Public procedure DrawTextRect(ADest: TBGRACanvas2D; ATextUTF8: string; ATopLeft,ABottomRight: TPointF; AAlign: TBGRATypeWriterAlignment=twaTopLeft); overload;

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Public procedure DrawTextRect(ADest: TBGRACanvas2D; ATextUTF8: string; X1,Y1,X2,Y2: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft); overload;

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Public procedure DrawTextWordBreak(ADest: TBGRACanvas2D; ATextUTF8: string; X, Y, MaxWidth: Single; AAlign: TBGRATypeWriterAlignment=twaTopLeft);

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Public procedure SplitText(var ATextUTF8: string; AMaxWidth: single; out ARemainsUTF8: string);

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Public procedure UpdateDirectory;

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Protected procedure DefaultWordBreakHandler(var ABefore, AAfter: string);

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Protected procedure Init(AVectorizeLCL: boolean);

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Protected procedure NeedBuffer;

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Protected procedure ReadAdditionalHeader(AStream: TStream); override;

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Protected procedure SetDirectory(const AValue: string);

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Protected procedure UpdateFont;

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Protected procedure UpdateMatrix;

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Protected procedure WriteCustomHeader(AStream: TStream); override;

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Properties

Public property Directory: string read FDirectory write SetDirectory;

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Public property EmHeight: single read GetEmHeight write SetEmHeight;

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Public property FontEmHeightRatio: single read GetFontEmHeightRatio;

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Public property FontFound: boolean read FFontFound;

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Public property FontMatrix: TAffineMatrix read FFontMatrix write SetFontMatrix;

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Public property FontPixelMetric: TFontPixelMetric read GetFontPixelMetric;

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Public property FullHeight: single read FFullHeight write SetFullHeight;

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Public property ItalicSlope: single read FItalicSlope write SetItalicSlope;

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Public property LCLHeight: single read GetLCLHeight write SetLCLHeight;

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Public property Name: string read FName write SetName;

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Public property OnWordBreak: TWordBreakHandler read FWordBreakHandler write FWordBreakHandler;

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Public property Orientation: single read FOrientation write SetOrientation;

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Public property QuadraticCurves: boolean read FQuadraticCurves write SetQuadraticCurves;

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Public property Resolution: integer read FResolution write SetResolution;

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Public property Style: TFontStyles read FStyle write SetStyle;

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Public property VectorizeLCL: boolean read FVectorizeLCL write SetVectorizeLCL;

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