Class TTextureFont
Unit
CastleFonts
Declaration
type TTextureFont = class(TCastleFont)
Description
2D font using a texture initialized from a FreeType font file.
This can load a font file, or it can use ready data in TTextureFontData. The latter allows to use this for fonts embedded in a Pascal source code, since our texture-font-to-pascal can convert a font ttf to a unit that defines ready TTextureFontData instance.
Hierarchy
Overview
Methods
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constructor Create(AOwner: TComponent); override; |
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destructor Destroy; override; |
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constructor Create(const URL: string; const ASize: Integer; const AnAntiAliased: boolean; const ACharacters: TUnicodeCharList = nil); reintroduce; |
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procedure Load(const URL: string; const ASize: Integer; const AnAntiAliased: boolean; const ACharacters: TUnicodeCharList = nil); |
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constructor Create(const URL: string; const ASize: Integer; const AnAntiAliased: boolean; const ACharacters: TSetOfChars); deprecated; |
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constructor Create(const Data: TTextureFontData; const OwnsData: boolean = false); reintroduce; |
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procedure Load(const Data: TTextureFontData; const OwnsData: boolean = false); |
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procedure PrepareResources; override; |
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procedure Print(const X, Y: Integer; const Color: TCastleColor; const S: string); override; |
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function TextWidth(const S: string): Integer; override; |
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function TextHeight(const S: string): Integer; override; |
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function TextHeightBase(const S: string): Integer; override; |
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function TextMove(const S: string): TVector2Integer; override; |
Description
Methods
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constructor Create(AOwner: TComponent); override; |
The default component constructor. If you construct font this way, you must call Load before doing anything else with the font.
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destructor Destroy; override; |
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constructor Create(const URL: string; const ASize: Integer; const AnAntiAliased: boolean; const ACharacters: TUnicodeCharList = nil); reintroduce; |
Create by reading a FreeType font file, like ttf.
Providing charaters list as Nil means that we only create glyphs for SimpleAsciiCharacters, which includes only the basic ASCII characters. The ACharacters instance does not become owned by this object, so remember to free it after calling this constructor.
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procedure Load(const URL: string; const ASize: Integer; const AnAntiAliased: boolean; const ACharacters: TUnicodeCharList = nil); |
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constructor Create(const URL: string; const ASize: Integer; const AnAntiAliased: boolean; const ACharacters: TSetOfChars); deprecated; |
Warning: this symbol is deprecated. |
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constructor Create(const Data: TTextureFontData; const OwnsData: boolean = false); reintroduce; |
Create from a ready TTextureFontData instance.
Parameters
- Data
- TTextureFontData instance containing loaded image and glyphs parameters.
- OwnsData
- If
True , the Data instance becomes owned by this class (will be freed in our constructor). Usually you do not want this, since usually you pass Data from a unit generated by texture-font-to-pascal. In this case, the finalization of CastleTextureFont_Xxx unit will already free the TTextureFontData instance.
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procedure PrepareResources; override; |
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procedure Print(const X, Y: Integer; const Color: TCastleColor; const S: string); override; |
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function TextWidth(const S: string): Integer; override; |
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function TextHeight(const S: string): Integer; override; |
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function TextHeightBase(const S: string): Integer; override; |
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