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#ifndef DISKFONT_DISKFONTTAG_H #define DISKFONT_DISKFONTTAG_H /* ** $VER: diskfonttag.h 10.4 (14.7.1992) ** Includes Release 44.1 ** ** diskfonttag.h -- tag definitions for .otag files ** ** (C) Copyright 1990-1992 Robert R. Burns ** All Rights Reserved */ #ifndef EXEC_TYPES_H #include <exec/types.h> #endif #ifndef UTILITY_TAGITEM_H #include <utility/tagitem.h> #endif /* Level 0 entries never appear in the .otag tag list, but appear in font * specifications */ #define OT_Level0 TAG_USER /* Level 1 entries are required to exist in the .otag tag list */ #define OT_Level1 (TAG_USER | 0x1000) /* Level 2 entries are optional typeface metric tags */ #define OT_Level2 (TAG_USER | 0x2000) /* Level 3 entries are required for some OT_Engines */ #define OT_Level3 (TAG_USER | 0x3000) /* Indirect entries are at (tag address + data offset) */ #define OT_Indirect 0x8000 /********************************************************************/ /* font specification and inquiry tags */ /* ! tags flagged with an exclaimation mark are valid for * specification. * ? tags flagged with a question mark are valid for inquiry * * fixed binary numbers are encoded as 16 bits of integer and * 16 bits of fraction. Negative values are indicated by twos * complement of all 32 bits. */ /* ! OT_DeviceDPI specifies the target device dots per inch -- X DPI is * in the high word, Y DPI in the low word. */ #define OT_DeviceDPI (OT_Level0 | 0x01) /* == TA_DeviceDPI */ /* ! OT_DotSize specifies the target device dot size as a percent of * it's resolution-implied size -- X percent in high word, Y percent * in low word. */ #define OT_DotSize (OT_Level0 | 0x02) /* ! OT_PointHeight specifies the requested point height of a typeface, * specifically, the height and nominal width of the em-square. * The point referred to here is 1/72". It is encoded as a fixed * binary number. */ #define OT_PointHeight (OT_Level0 | 0x08) /* ! OT_SetFactor specifies the requested set width of a typeface. * It distorts the width of the em-square from that specified by * OT_PointHeight. To compensate for a device with different * horizontal and vertical resolutions, OT_DeviceDPI should be used * instead. For a normal aspect ratio, set to 1.0 (encoded as * 0x00010000). This is the default value. */ #define OT_SetFactor (OT_Level0 | 0x09) /* ! OT_Shear... specifies the Sine and Cosine of the vertical stroke * angle, as two fixed point binary fractions. Both must be specified: * first the Sine and then the Cosine. Setting the sine component * changes the Shear to an undefined value, setting the cosine * component completes the Shear change to the new composite value. * For no shear, set to 0.0, 1.0 (encoded as 0x00000000, 0x00010000). * This is the default value. */ #define OT_ShearSin (OT_Level0 | 0x0a) #define OT_ShearCos (OT_Level0 | 0x0b) /* ! OT_Rotate... specifies the Sine and Cosine of the baselin rotation * angle, as two fixed point binary fractions. Both must be specified: * first the Sine and then the Cosine. Setting the sine component * changes the Shear to an undefined value, setting the cosine * component completes the Shear change to the new composite value. * For no shear, set to 0.0, 1.0 (encoded as 0x00000000, 0x00010000). * This is the default value. */ #define OT_RotateSin (OT_Level0 | 0x0c) #define OT_RotateCos (OT_Level0 | 0x0d) /* ! OT_Embolden... specifies values to algorithimically embolden -- or, * when negative, lighten -- the glyph. It is encoded as a fixed point * binary fraction of the em-square. The X and Y components can be * changed indendently. For normal characters, set to 0.0, 0.0 * (encoded as 0x00000000, 0x00000000). This is the default value. */ #define OT_EmboldenX (OT_Level0 | 0x0e) #define OT_EmboldenY (OT_Level0 | 0x0f) /* ! OT_PointSize is an old method of specifying the point size, * encoded as (points * 16). */ #define OT_PointSize (OT_Level0 | 0x10) /* ! OT_GlyphCode specifies the glyph (character) code to use with * subsequent operations. For example, this is the code for an * OT_Glyph inquiry */ #define OT_GlyphCode (OT_Level0 | 0x11) /* ! OT_GlyphCode2 specifies the second glyph code. For example, * this is the right glyph of the two glyphs of an OT_KernPair * inquiry */ #define OT_GlyphCode2 (OT_Level0 | 0x12) /* ! OT_GlyphWidth specifies a specific width for a glyph. * It sets a specific escapement (advance) width for subsequent * glyphs. It is encoded as a fixed binary fraction of the em-square. * To revert to using the font-defined escapement for each glyph, set * to 0.0 (encoded as 0x00000000). This is the default value. */ #define OT_GlyphWidth (OT_Level0 | 0x13) /* ! OT_OTagPath and * ! OT_OTagList specify the selected typeface. Both must be specified: * first the Path and then the List. Setting the path name changes * changes the typeface to an undefined value, providing the List * completes the typeface selection to the new typeface. OTagPath * is the null terminated full file path of the .otag file associated * with the typeface. OTagList is a memory copy of the processed * contents of that .otag file (i.e. with indirections resolved). * There are no default values for the typeface. */ #define OT_OTagPath (OT_Level0 | OT_Indirect | 0x14) #define OT_OTagList (OT_Level0 | OT_Indirect | 0x15) /* ? OT_GlyphMap supplies a read-only struct GlyphMap pointer that * describes a bitmap for a glyph with the current attributes. */ #define OT_GlyphMap (OT_Level0 | OT_Indirect | 0x20) /* ? OT_WidthList supplies a read-only struct MinList of struct * GlyphWidthEntry nodes for glyphs that are defined from GlyphCode * to GlyphCode2, inclusive. The widths are represented as fixed * binary fractions of the em-square, ignoring any effect of * SetFactor or GlyphWidth. A width would need to be converted to * a distance along the baseline in device units by the * application. */ #define OT_WidthList (OT_Level0 | OT_Indirect | 0x21) /* ? OT_...KernPair supplies the kern adjustment to be added to the * current position after placement of the GlyphCode glyph and * before placement of the GlyphCode2 glyph. Text kern pairs are * for rendering body text. Display kern pairs are generally * tighter values for display (e.g. headline) purposes. The * adjustment is represented as a fixed binary fraction of the * em-square, ignoring any effect of SetFactor. This number would * need to be converted to a distance along the baseline in device * units by the application. */ #define OT_TextKernPair (OT_Level0 | OT_Indirect | 0x22) #define OT_DesignKernPair (OT_Level0 | OT_Indirect | 0x23) /* ? OT_Underlined is an unsigned word which is used to request * algorithimic underlining for the engine when rendering the glyph. * Bullet.library currently does not support this tag, though it * may be used by other engines in the future. The default for * any engine which supports this tag must be OTUL_None. Engines which * do not support this tag should return an appropriate OTERR value. * * As of V39, diskfont.library will request underlining if specified * in the TextAttr, or TTextAttr passed to OpenDiskFont(). Diskfont * will first request Broken underlining (like the Text() function * does when SetSoftStyle() is used), and then Solid underlining if * the engine returns an error. If the engine returns an error for * both, then diskfont.library attempts to find, or create the best * non-underlined font that it can. */ #define OT_UnderLined (OT_Level0 | 0x24) #define OTUL_None 0 #define OTUL_Solid 1 #define OTUL_Broken 2 #define OTUL_DoubleSolid 3 #define OUTL_DoubleBroken 4 /* ? OT_StrikeThrough is a boolean which is used to request * algorithimic strike through when rendering the glyph. * Bullet.library currently does not support this tag, though it * may be used by other engines in the future. The default for * any engined which supports this tag must be FALSE. Engines which * do not support this tag should return an appropriate OTERR value. */ #define OT_StrikeThrough (OT_Level0 | 0x25) /********************************************************************/ /* .otag tags */ /* suffix for files in FONTS: that contain these tags */ #define OTSUFFIX ".otag" /* OT_FileIdent both identifies this file and verifies its size. * It is required to be the first tag in the file. */ #define OT_FileIdent (OT_Level1 | 0x01) /* OT_Engine specifies the font engine this file is designed to use */ #define OT_Engine (OT_Level1 | OT_Indirect | 0x02) #define OTE_Bullet "bullet" /* OT_Family is the family name of this typeface */ #define OT_Family (OT_Level1 | OT_Indirect | 0x03) /* The name of this typeface is implicit in the name of the .otag file */ /* OT_BName is used to find the bold variant of this typeface */ #define OT_BName (OT_Level2 | OT_Indirect | 0x05) /* OT_IName is used to find the italic variant of this typeface */ #define OT_IName (OT_Level2 | OT_Indirect | 0x06) /* OT_BIName is used to find the bold italic variant of this typeface */ #define OT_BIName (OT_Level2 | OT_Indirect | 0x07) /* OT_SymSet is used to select the symbol set that has the OT_YSizeFactor * described here. Other symbol sets might have different extremes */ #define OT_SymbolSet (OT_Level1 | 0x10) /* OT_YSizeFactor is a ratio to assist in calculating the Point height * to BlackHeight relationship -- high word: Point height term, low * word: Black height term -- pointSize = ysize*<high>/<low> */ #define OT_YSizeFactor (OT_Level1 | 0x11) /* OT_SpaceWidth specifies the width of the space character relative * to the character height */ #define OT_SpaceWidth (OT_Level2 | 0x12) /* OT_IsFixed is a boolean indicating that all the characters in the * typeface are intended to have the same character advance */ #define OT_IsFixed (OT_Level2 | 0x13) /* OT_SerifFlag is a boolean indicating if the character has serifs */ #define OT_SerifFlag (OT_Level1 | 0x14) /* OT_StemWeight is an unsigned byte indicating the weight of the character */ #define OT_StemWeight (OT_Level1 | 0x15) #define OTS_UltraThin 8 /* 0- 15 */ #define OTS_ExtraThin 24 /* 16- 31 */ #define OTS_Thin 40 /* 32- 47 */ #define OTS_ExtraLight 56 /* 48- 63 */ #define OTS_Light 72 /* 64- 79 */ #define OTS_DemiLight 88 /* 80- 95 */ #define OTS_SemiLight 104 /* 96-111 */ #define OTS_Book 120 /* 112-127 */ #define OTS_Medium 136 /* 128-143 */ #define OTS_SemiBold 152 /* 144-159 */ #define OTS_DemiBold 168 /* 160-175 */ #define OTS_Bold 184 /* 176-191 */ #define OTS_ExtraBold 200 /* 192-207 */ #define OTS_Black 216 /* 208-223 */ #define OTS_ExtraBlack 232 /* 224-239 */ #define OTS_UltraBlack 248 /* 240-255 */ /* OT_SlantStyle is an unsigned byte indicating the font posture */ #define OT_SlantStyle (OT_Level1 | 0x16) #define OTS_Upright 0 #define OTS_Italic 1 /* Oblique, Slanted, etc. */ #define OTS_LeftItalic 2 /* Reverse Slant */ /* OT_HorizStyle is an unsigned byte indicating the appearance width */ #define OT_HorizStyle (OT_Level1 | 0x17) #define OTH_UltraCompressed 16 /* 0- 31 */ #define OTH_ExtraCompressed 48 /* 32- 63 */ #define OTH_Compressed 80 /* 64- 95 */ #define OTH_Condensed 112 /* 96-127 */ #define OTH_Normal 144 /* 128-159 */ #define OTH_SemiExpanded 176 /* 160-191 */ #define OTH_Expanded 208 /* 192-223 */ #define OTH_ExtraExpanded 240 /* 224-255 */ /* OT_SpaceFactor specifies the width of the space character relative * to the character height */ #define OT_SpaceFactor (OT_Level2 | 0x18) /* OT_InhibitAlgoStyle indicates which ta_Style bits, if any, should * be ignored even if the font does not already have that quality. * For example, if FSF_BOLD is set and the typeface is not bold but * the user specifies bold, the application or diskfont library is * not to use OT_Embolden to achieve a bold result. */ #define OT_InhibitAlgoStyle (OT_Level2 | 0x19) /* OT_AvailSizes is an indirect pointer to sorted UWORDs, 0th is count */ #define OT_AvailSizes (OT_Level1 | OT_Indirect | 0x20) #define OT_MAXAVAILSIZES 20 /* no more than 20 sizes allowed */ /* OT_SpecCount is the count number of parameters specified here */ #define OT_SpecCount (OT_Level1 | 0x100) /* Specs can be created as appropriate for the engine by ORing in the * parameter number (1 is first, 2 is second, ... up to 15th) */ #define OT_Spec (OT_Level1 | 0x100) /* OT_Spec1 is the (first) parameter to the font engine to select * this particular typeface */ #define OT_Spec1 (OT_Level1 | 0x101) #endif /* DISKFONT_DISKFONTTAG_H */
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