Class TBGRACustomTypeWriter
Unit
Declaration
type TBGRACustomTypeWriter = class(TObject)
Description
Abstract class for font rendering using cached glyphs
Hierarchy
- TObject
- TBGRACustomTypeWriter
Overview
Fields
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DrawGlyphsSimultaneously: boolean; |
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LigatureWithF: boolean; |
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OutlineMode: TBGRATypeWriterOutlineMode; |
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SubstituteBidiBracket: boolean; |
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TypeWriterMatrix: TAffineMatrix; |
Methods
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constructor Create; |
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destructor Destroy; override; |
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function GetGlyphBox(AIdentifier: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TAffineBox; |
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function GetTextBox(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TAffineBox; |
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function GetTextGlyphBoxes(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TGlyphBoxes; |
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function GetTextSizeBeforeTransform(ATextUTF8 :string): TPointF; |
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function ComputeKerning(AIdLeft, AIdRight: string): single; virtual; |
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function CustomHeaderSize: integer; virtual; |
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function FindGlyph(AIdentifier: string): TAVLTreeNode; |
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function FindKerning(AIdLeft, AIdRight: string): TAVLTreeNode; |
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function GetDisplayInfo(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment): TBGRATextDisplayInfo; |
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function GetGlyph(AIdentifier: string): TBGRAGlyph; virtual; |
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function GetGlyphMatrix(AGlyph: TBGRAGlyph; X,Y: Single; AAlign: TBGRATypeWriterAlignment): TAffineMatrix; |
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function GetKerningOffset(AIdBefore, AIdAfter: string; ARightToLeft: boolean): single; virtual; |
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function GetTextMatrix(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment): TAffineMatrix; |
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function HeaderName: string; virtual; |
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function ReadCustomTypeWriterHeader(AStream: TStream): TBGRACustomTypeWriterHeader; |
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procedure CopyTextPathTo(ADest: IBGRAPath; ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft); virtual; |
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procedure DrawGlyph(ADest: TBGRACanvas2D; AIdentifier: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft; AMirrored: boolean = false); |
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procedure DrawText(ADest: TBGRACanvas2D; ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft); virtual; |
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procedure LoadGlyphsFromFile(AFilenameUTF8: string; AWithKerning: boolean = true); |
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procedure LoadGlyphsFromStream(AStream: TStream; AWithKerning: boolean = true); |
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procedure NeedAsciiRange(AComputeKerning: boolean = false); |
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procedure NeedGlyphAnsiRange(AComputeKerning: boolean = false); |
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procedure NeedGlyphRange(AUnicodeFrom, AUnicodeTo: LongWord; AComputeKerning: boolean = false); |
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procedure SaveGlyphsToFile(AFilenameUTF8: string; AWithKerning: boolean = true); |
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procedure SaveGlyphsToStream(AStream: TStream; AWithKerning: boolean = true); |
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procedure TextFitInfoBeforeTransform(ATextUTF8: string; AMaxWidth: single; out ACharCount, AByteCount: integer; out AUsedWidth: single); |
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procedure AddGlyph(AGlyph: TBGRAGlyph); |
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procedure BrowseAllGlyphs(ACallback: TBrowseGlyphCallback; AData: pointer); |
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procedure BrowseGlyphs(ATextUTF8: string; ACallback: TBrowseGlyphCallback; AData: pointer; ADisplayOrder: boolean); |
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procedure ClearGlyphs; |
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procedure DrawLastPath(ADest: TBGRACanvas2D); |
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procedure GlyphPath(ADest: TBGRACanvas2D; AIdentifier: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft; AMirrored: boolean = false); |
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procedure ReadAdditionalHeader(AStream: TStream); virtual; |
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procedure ReadKerning(AStream: TStream); virtual; |
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procedure RemoveGlyph(AIdentifier: string); |
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procedure SetGlyph(AIdentifier: string; AValue: TBGRAGlyph); |
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procedure WriteCustomHeader(AStream: TStream); virtual; |
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procedure WriteKerning(AStream: TStream); virtual; |
Properties
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property BidiMode: TFontBidiMode read FBidiMode write SetBidiMode; |
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property Glyph[AIdentifier: string]: TBGRAGlyph read GetGlyph write SetGlyph; |
Description
Fields
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DrawGlyphsSimultaneously: boolean; |
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This item has no description. | |
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LigatureWithF: boolean; |
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This item has no description. | |
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OutlineMode: TBGRATypeWriterOutlineMode; |
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This item has no description. | |
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SubstituteBidiBracket: boolean; |
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This item has no description. | |
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TypeWriterMatrix: TAffineMatrix; |
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This item has no description. | |
Methods
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constructor Create; |
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This item has no description. | |
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destructor Destroy; override; |
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This item has no description. | |
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function GetGlyphBox(AIdentifier: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TAffineBox; |
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This item has no description. | |
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function GetTextBox(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TAffineBox; |
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This item has no description. | |
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function GetTextGlyphBoxes(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft): TGlyphBoxes; |
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This item has no description. | |
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function GetTextSizeBeforeTransform(ATextUTF8 :string): TPointF; |
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This item has no description. | |
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function ComputeKerning(AIdLeft, AIdRight: string): single; virtual; |
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This item has no description. | |
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function CustomHeaderSize: integer; virtual; |
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This item has no description. | |
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function FindGlyph(AIdentifier: string): TAVLTreeNode; |
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This item has no description. | |
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function FindKerning(AIdLeft, AIdRight: string): TAVLTreeNode; |
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This item has no description. | |
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function GetDisplayInfo(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment): TBGRATextDisplayInfo; |
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This item has no description. | |
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function GetGlyph(AIdentifier: string): TBGRAGlyph; virtual; |
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This item has no description. | |
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function GetGlyphMatrix(AGlyph: TBGRAGlyph; X,Y: Single; AAlign: TBGRATypeWriterAlignment): TAffineMatrix; |
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This item has no description. | |
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function GetKerningOffset(AIdBefore, AIdAfter: string; ARightToLeft: boolean): single; virtual; |
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This item has no description. | |
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function GetTextMatrix(ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment): TAffineMatrix; |
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This item has no description. | |
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function HeaderName: string; virtual; |
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This item has no description. | |
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function ReadCustomTypeWriterHeader(AStream: TStream): TBGRACustomTypeWriterHeader; |
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This item has no description. | |
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procedure CopyTextPathTo(ADest: IBGRAPath; ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft); virtual; |
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This item has no description. | |
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procedure DrawGlyph(ADest: TBGRACanvas2D; AIdentifier: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft; AMirrored: boolean = false); |
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This item has no description. | |
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procedure DrawText(ADest: TBGRACanvas2D; ATextUTF8: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft); virtual; |
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This item has no description. | |
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procedure LoadGlyphsFromFile(AFilenameUTF8: string; AWithKerning: boolean = true); |
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This item has no description. | |
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procedure LoadGlyphsFromStream(AStream: TStream; AWithKerning: boolean = true); |
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This item has no description. | |
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procedure NeedAsciiRange(AComputeKerning: boolean = false); |
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This item has no description. | |
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procedure NeedGlyphAnsiRange(AComputeKerning: boolean = false); |
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This item has no description. | |
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procedure NeedGlyphRange(AUnicodeFrom, AUnicodeTo: LongWord; AComputeKerning: boolean = false); |
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This item has no description. | |
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procedure SaveGlyphsToFile(AFilenameUTF8: string; AWithKerning: boolean = true); |
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This item has no description. | |
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procedure SaveGlyphsToStream(AStream: TStream; AWithKerning: boolean = true); |
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This item has no description. | |
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procedure TextFitInfoBeforeTransform(ATextUTF8: string; AMaxWidth: single; out ACharCount, AByteCount: integer; out AUsedWidth: single); |
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This item has no description. | |
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procedure AddGlyph(AGlyph: TBGRAGlyph); |
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This item has no description. | |
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procedure BrowseAllGlyphs(ACallback: TBrowseGlyphCallback; AData: pointer); |
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This item has no description. | |
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procedure BrowseGlyphs(ATextUTF8: string; ACallback: TBrowseGlyphCallback; AData: pointer; ADisplayOrder: boolean); |
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This item has no description. | |
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procedure ClearGlyphs; |
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This item has no description. | |
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procedure DrawLastPath(ADest: TBGRACanvas2D); |
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This item has no description. | |
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procedure GlyphPath(ADest: TBGRACanvas2D; AIdentifier: string; X,Y: Single; AAlign: TBGRATypeWriterAlignment = twaTopLeft; AMirrored: boolean = false); |
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This item has no description. | |
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procedure ReadAdditionalHeader(AStream: TStream); virtual; |
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This item has no description. | |
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procedure ReadKerning(AStream: TStream); virtual; |
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This item has no description. | |
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procedure RemoveGlyph(AIdentifier: string); |
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This item has no description. | |
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procedure SetGlyph(AIdentifier: string; AValue: TBGRAGlyph); |
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This item has no description. | |
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procedure WriteCustomHeader(AStream: TStream); virtual; |
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This item has no description. | |
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procedure WriteKerning(AStream: TStream); virtual; |
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This item has no description. | |
Properties
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property BidiMode: TFontBidiMode read FBidiMode write SetBidiMode; |
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This item has no description. | |
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property Glyph[AIdentifier: string]: TBGRAGlyph read GetGlyph write SetGlyph; |
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This item has no description. | |