422 lines
16 KiB
C
422 lines
16 KiB
C
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/*
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* @doc INTERNAL
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*
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* @module _CFPF.H -- RichEdit CCharFormat and CParaFormat Classes |
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*
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* These classes are derived from the RichEdit 1.0 CHARFORMAT and PARAFORMAT
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* structures and are the RichEdit 2.0 internal versions of these structures.
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* Member functions (like Copy()) that use external (API) CHARFORMATs and
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* PARAFORMATs need to check the <p cbSize> value to see what members are
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* defined. Default values that yield RichEdit 1.0 behavior should be stored
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* for RichEdit 1.0 format structures, e.g., so that the renderer doesn't do
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* anomalous things with random RichEdit 2.0 format values. Generally the
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* appropriate default value is 0.
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*
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* All character and paragraph format measurements are in twips. Undefined
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* mask and effect bits are reserved and must be 0 to be compatible with
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* future versions.
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*
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* Effects that appear with an asterisk (*) are stored, but won't be
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* displayed by RichEdit 2.0. They are place holders for TOM and/or Word
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* compatibility.
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*
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* Note: these structures are much bigger than they need to be for internal
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* use especially if we use SHORTs instead of LONGs for dimensions and
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* the tab and font info are accessed via ptrs. Nevertheless, in view of our
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* tight delivery schedule, RichEdit 2.0 uses the classes below.
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*
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* History:
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* 9/1995 -- MurrayS: Created
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* 11/1995 -- MurrayS: Extended to full Word97 FormatFont/Format/Para
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*
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* Copyright (c) 1995-2000, Microsoft Corporation. All rights reserved.
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*/
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#ifndef _CFPF_H
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#define _CFPF_H
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#define TABS
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SHORT Get16BitTwips(LONG dy);
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LONG GetUsableFontHeight(LONG ySrcHeight, LONG lPointChange);
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BOOL IsValidCharFormatW(const CHARFORMATW * pCF);
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BOOL IsValidCharFormatA(const CHARFORMATA * pCFA);
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BOOL IsValidParaFormat (const PARAFORMAT * pPF);
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// CParaFormat Style enums and defines (maybe move to richedit.h?)
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enum STYLES
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{
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STYLE_NORMAL = -1,
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STYLE_HEADING_1 = -2,
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STYLE_HEADING_9 = -10
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};
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#define NHSTYLES 9 // # of heading styles
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#define STYLE_COMMAND 0x8000
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#define TWIPS_PER_POINT 20
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#define IsHeadingStyle(Style) (Style <= STYLE_HEADING_1 && \
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Style >= STYLE_HEADING_9)
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#define IsKnownStyle(Style) (IsHeadingStyle(Style) || Style == STYLE_NORMAL)
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#define IsStyleCommand(Style) ((Style & 0xFF00) == STYLE_COMMAND)
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#define CCHMAXNUMTOSTR 20 // Enuf for billions + parens + null term
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typedef struct _styleformat
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{
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BYTE bEffects;
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BYTE bHeight;
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} STYLEFORMAT;
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/*
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* Tab Structure Template
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*
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* To help keep the size of the tab array small, we use the two high nibbles
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* of the tab LONG entries in rgxTabs[] to give the tab type and tab leader
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* (style) values. The measurer and renderer need to ignore (or implement)
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* these nibbles. We also need to be sure that the compiler does something
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* rational with this idea...
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*/
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typedef struct tagTab
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{
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DWORD tbPos : 24; // 24-bit unsigned tab displacement
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DWORD tbAlign : 4; // 4-bit tab type (see enum PFTABTYPE)
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DWORD tbLeader : 4; // 4-bit tab style (see enum PFTABSTYLE)
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} TABTEMPLATE;
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enum PFTABTYPE // Same as tomAlignLeft, tomAlignCenter,
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{ // tomAlignRight, tomAlignDecimal, tomAlignBar
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PFT_LEFT = 0, // ordinary tab
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PFT_CENTER, // center tab
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PFT_RIGHT, // right-justified tab
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PFT_DECIMAL, // decimal tab
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PFT_BAR // Word bar tab (vertical bar)
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};
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enum PFTABSTYLE // Same as tomSpaces, tomDots, tomDashes,
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{ // tomLines
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PFTL_NONE = 0, // no leader
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PFTL_DOTS, // dotted
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PFTL_DASH, // dashed
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PFTL_UNDERLINE, // underlined
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PFTL_THICK, // thick line
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PFTL_EQUAL // double line
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};
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#define PFT_DEFAULT 0xff000000
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typedef struct _cellparms
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{
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LONG uCell; // Low 24 bits; high byte has flags
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DWORD dxBrdrWidths; // Widths of borders (left, top, right, bottom)
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DWORD dwColors; // Borders and background color
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BYTE bShading; // Shading in .5 per cent
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// Border widths and colors are packed in same low-to-high order as in
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// RECT, that is, left, top, right, bottom.
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LONG GetBrdrWidthLeft() const {return (dxBrdrWidths >> 0*8) & 0xFF;}
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LONG GetBrdrWidthTop() const {return (dxBrdrWidths >> 1*8) & 0xFF;}
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LONG GetBrdrWidthRight() const {return (dxBrdrWidths >> 2*8) & 0xFF;}
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LONG GetBrdrWidthBottom() const {return (dxBrdrWidths >> 3*8) & 0xFF;}
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void SetBrdrWidthBottom(BYTE bBrdrWidth)
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{dxBrdrWidths = (dxBrdrWidths & 0x00FFFFFF) | (bBrdrWidth << 24);}
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LONG GetColorIndexLeft() const {return (dwColors >> 0*5) & 0x1F;}
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LONG GetColorIndexTop() const {return (dwColors >> 1*5) & 0x1F;}
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LONG GetColorIndexRight() const {return (dwColors >> 2*5) & 0x1F;}
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LONG GetColorIndexBottom() const {return (dwColors >> 3*5) & 0x1F;}
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LONG GetColorIndexBackgound() const {return (dwColors >> 4*5) & 0x1F;}
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LONG GetColorIndexForegound() const {return (dwColors >> 5*5) & 0x1F;}
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LONG ICellFromUCell(LONG dul, LONG cCell) const;
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} CELLPARMS;
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// Effect flags beyond CHARFORMAT2. Go in high word of CCharFormat::_dwEffects
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// which aren't used in CHARFORMAT2 (except for CFE_AUTOCOLOR: 0x40000000,
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// CFE_AUTOBACKCOLOR: 0x04000000, CFE_SUBSCRIPT: 0x00010000, and
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// CFE_SUPERSCRIPT: 0x00020000), since they overlap with noneffect parms.
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// Use corresponding high-word bits in dwMask2 to access. Be careful not
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// to define new effects that conflict with CFE_AUTOCOLOR, CFE_AUTOBACKCOLOR,
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// CFE_SUBSCRIPT, or CFE_SUPERSCRIPT.
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// CFE_SUBSCRIPT 0x00010000 // Defined in richedit.h
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// CFE_SUPERSCRIPT 0x00020000 // Defined in richedit.h
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#define CFM2_RUNISDBCS 0x00040000 // Says run is DBCS put
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#define CFE_RUNISDBCS CFM2_RUNISDBCS // into Unicode buffer
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#define CFM2_FACENAMEISDBCS 0x00080000 // Says szFaceName is DBCS
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#define CFE_FACENAMEISDBCS CFM2_FACENAMEISDBCS // put into Unicode buffer
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#define CFE_AVAILABLE 0x00100000 // Use me!!!
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#define CFM2_DELETED 0x00200000 // Says text was deleted
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#define CFE_DELETED CFM2_DELETED // (roundtrips \deleted)
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#define CFM2_CUSTOMTEXTOUT 0x00400000 // Font has custom textout
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#define CFE_CUSTOMTEXTOUT CFM2_CUSTOMTEXTOUT // handling
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#define CFM2_LINKPROTECTED 0x00800000 // Word hyperlink field
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#define CFE_LINKPROTECTED CFM2_LINKPROTECTED // Don't let urlsup.cpp touch!
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// CFE_AUTOBACKCOLOR 0x04000000 // Defined in richedit.h
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// CFE_AUTOCOLOR 0x40000000 // Defined in richedit.h
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#define CFM2_CHARFORMAT 0x00008000 // Noneffect mask flags
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#define CFM2_USABLEFONT 0x00004000 // EM_SETFONTSIZE functionality
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#define CFM2_SCRIPT 0x00002000 // Uniscribe's script ID
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#define CFM2_NOCHARSETCHECK 0x00001000 // Suppress CharSet check
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#define CFM2_HOLDITEMIZE 0x00000800 // Hold off Itemization
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#define CFM2_ADJUSTFONTSIZE 0x00000400 // Font size adjustment (SAMECHARSET case only)
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#define CFM2_UIFONT 0x00000200 // UI Font (SAMECHARSET case only)
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#define CFM2_MATCHFONT 0x00000100 // Match font to charset
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#define CFM2_USETMPDISPATTR 0x00000080 // Use Temp display attribute
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/*
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* CCharFormat
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*
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* @class
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* Collects character format methods along with data members
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* corresponding to CHARFORMAT2. Only 10 DWORDs are used, whereas
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* CHARFORMAT2 has 30. Some bits in the high word of _dwEffects
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* are used for additional effects, since only CFE_AUTOCOLOR,
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* CFE_AUTOBACKCOLOR, CFE_SUBSCRIPT, and CFE_SUPERSCRIPT are used
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* by CHARFORMAT2 (the associated mask bits for the others are used
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* for noneffect parameters, such as yHeight).
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*
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* @devnote
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* Could add extra data for round tripping more RTF info. This data
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* wouldn't be exposed at the API level (other than via RTF).
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* The order below is optimized for transfer to CHARFORMAT and for
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* early out on font lookup, i.e., the most common 2 DWORDs are the
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* first 2.
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*/
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class CCharFormat
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{
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public:
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#ifdef DEBUG
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const WCHAR *_pchFaceName; // Facename given by _iFont
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#endif
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DWORD _dwEffects; // CFE_xxx effects
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BYTE _iCharRep; // Character Repertoire
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BYTE _bPitchAndFamily; // Pitch and Family
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SHORT _iFont; // Index into FONTNAME table
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SHORT _yHeight; // Font height
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SHORT _yOffset; // Vertical offset from baseline
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COLORREF _crTextColor; // Foreground color
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WORD _wWeight; // Font weight (LOGFONT value)
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SHORT _sSpacing; // Amount to space between letters
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COLORREF _crBackColor; // Background color
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LCID _lcid; // Locale ID
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SHORT _sStyle; // Style handle
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WORD _wKerning; // Twip size above which to kern char pair
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BYTE _bUnderlineType; // Underline type
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BYTE _bAnimation; // Animated text like marching ants
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BYTE _bRevAuthor; // Revision author index
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BYTE _bUnderlineColor; // Used only by IME/UIM
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WORD _wScript; // Uniscribe's script ID
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BYTE _iCharRepSave; // Previous char repertoire for SYMBOL_CHARSET
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BYTE _bQuality; // Font quality (ClearType or whatever)
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SHORT _sTmpDisplayAttrIdx; // Index to the temp. display attrib array
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CCharFormat() { _sTmpDisplayAttrIdx = -1; }
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//@cmember Apply *<p pCF>
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HRESULT Apply (const CCharFormat *pCF, // to this CCharFormat
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DWORD dwMask, DWORD dwMask2);
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void ApplyDefaultStyle (LONG Style);
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BOOL CanKern() const {return _wKerning && _yHeight >= _wKerning;}
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BOOL CanKernWith(const CCharFormat *pCF) const;
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BOOL Compare (const CCharFormat *pCF) const; //@cmember Compare this CF
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// to *<p pCF>
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DWORD Delta (CCharFormat *pCF, //@cmember Get difference
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BOOL fCHARFORMAT) const; // mask between this and
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// *<p pCF>
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BOOL fSetStyle(DWORD dwMask, DWORD dwMask2) const;
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void Get (CHARFORMAT2 *pCF, UINT CodePage) const;//@cmember Copies this to
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// CHARFORMAT pCF
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HRESULT InitDefault (HFONT hfont); //@cmember Initialize using
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// font info from <p hfont>
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void Set(const CHARFORMAT2 *pCF, UINT CodePage);//@cmember Copy *<p pCF>
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// to this CF
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};
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// dwMask2 bits
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#define PFM2_PARAFORMAT 0x80000000 // Only PARAFORMAT parms used
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#define PFM2_ALLOWTRDCHANGE 0x40000000 // Allow TRD changes
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#define PFM2_TABLEROWSHIFTED 0x00008000 // Allow only TRD changes
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#define PFE_TABLEROWSHIFTED PFM2_TABLEROWSHIFTED
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/*
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* CParaFormat
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*
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* @class
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* Collects related paragraph formatting methods and data
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*
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* @devnote
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* Could add extra data for round tripping more RTF and TOM info
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*/
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class CParaFormat
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{
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public:
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WORD _wNumbering;
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WORD _wEffects;
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LONG _dxStartIndent;
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LONG _dxRightIndent;
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LONG _dxOffset;
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BYTE _bAlignment;
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BYTE _bTabCount;
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SHORT _iTabs; // Tabs index in CTabs cache
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LONG _dySpaceBefore; // Vertical spacing before para
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LONG _dySpaceAfter; // Vertical spacing after para
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LONG _dyLineSpacing; // Line spacing depending on Rule
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SHORT _sStyle; // Style handle
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BYTE _bLineSpacingRule; // Rule for line spacing (see tom.doc)
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BYTE _bOutlineLevel; // Outline Level
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union
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{
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struct
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{
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WORD _wShadingWeight; // Shading in hundredths of a per cent
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WORD _wShadingStyle; // Byte 0: style, nib 2: cfpat, 3: cbpat
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WORD _wNumberingStart; // Starting value for numbering
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WORD _wNumberingStyle; // Alignment, Roman/Arabic, (), ), ., etc.
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};
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struct
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{
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COLORREF _crCustom1; // In table-row delimiters, this area has
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COLORREF _crCustom2; // custom colors instead of shading and
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}; // numbering
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};
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WORD _wNumberingTab; // Space bet 1st indent and 1st-line text
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WORD _wBorderSpace; // Border-text spaces (nbl/bdr in pts)
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WORD _wBorderWidth; // Pen widths (nbl/bdr in half twips)
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WORD _wBorders; // Border styles (nibble/border)
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DWORD _dwBorderColor; // Colors/attribs
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char _bTableLevel; // Table nesting level
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CParaFormat() {}
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//@cmember Add tab at
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HRESULT AddTab (LONG tabPos, LONG tabType, // position <p tabPos>
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LONG tabStyle, LONG *prgxTabs);
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//@cmember Apply *<p pPF> to
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HRESULT Apply(const CParaFormat *pPF, DWORD dwMask, DWORD dwMask2);// this PF
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void ApplyDefaultStyle (LONG Style);
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HRESULT DeleteTab(LONG tabPos, LONG *prgxTabs); //@cmember Delete tab at
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// <p tabPos>
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DWORD Delta (CParaFormat *pPF, //@cmember Set difference
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BOOL fPARAFORMAT) const; // mask between this and
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// *<p pPF>
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BOOL fSetStyle(DWORD dwMask, DWORD dwMask2) const;
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void Get (PARAFORMAT2 *pPF2) const; //@cmember Copy this PF to
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// *<p pPF>
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char GetOutlineLevel(){return _bOutlineLevel;}
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LONG GetRTLRowLength() const; //@cmember Get RTL row length
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//@cmember Get tab position
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HRESULT GetTab (long iTab, long *pdxptab, // type, and style
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long *ptbt, long *pstyle,
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const LONG *prgxTabs) const;
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const LONG *GetTabs () const; //@cmember Get ptr to tab array
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const CELLPARMS *GetCellParms () const //@cmember Get ptr to cell array
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{return (const CELLPARMS *)GetTabs();}
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|
|
BOOL HandleStyle(LONG Mode); //@cmember Handle sStyle
|
||
|
|
//@cmember Initialize this
|
||
|
|
HRESULT InitDefault (WORD wDefEffects); // PF to default values
|
||
|
|
|
||
|
|
BOOL IsRtlPara() const
|
||
|
|
{return (_wEffects & (PFE_RTLPARA | PFE_TABLEROWDELIMITER)) == PFE_RTLPARA;}
|
||
|
|
BOOL IsRtl() const {return _wEffects & PFE_RTLPARA;}
|
||
|
|
BOOL InTable() const {return (_wEffects & PFE_TABLE) != 0;}
|
||
|
|
BOOL IsTableRowDelimiter() const {return (_wEffects & PFE_TABLEROWDELIMITER) != 0;}
|
||
|
|
BOOL IsListNumbered() const {return IN_RANGE(tomListNumberAsArabic,
|
||
|
|
_wNumbering,
|
||
|
|
tomListNumberAsSequence);}
|
||
|
|
BOOL IsNumberSuppressed() const
|
||
|
|
{return (_wNumberingStyle & 0xF00) == PFNS_NONUMBER;}
|
||
|
|
|
||
|
|
LONG NumToStr(TCHAR *pch, LONG n, DWORD grf = 0) const;
|
||
|
|
//@cmember Copy *<p pPF>
|
||
|
|
void Set (const PARAFORMAT2 *pPF2); // to this PF
|
||
|
|
LONG UpdateNumber (LONG n, const CParaFormat *pPF) const;
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
|
||
|
|
void ValidateTabs();
|
||
|
|
|
||
|
|
#endif // DEBUG
|
||
|
|
};
|
||
|
|
|
||
|
|
#define fRtfWrite 0x1
|
||
|
|
#define fIndicDigits 0x2
|
||
|
|
|
||
|
|
#define GetTabPos(tab) ((tab) & 0xFFFFFF)
|
||
|
|
#define GetTabAlign(tab) (((tab) >> 24) & 0xF)
|
||
|
|
#define GetTabLdr(tab) ((tab) >> 28)
|
||
|
|
|
||
|
|
#define fTopCell 0x04000000
|
||
|
|
#define fLowCell 0x08000000
|
||
|
|
#define fVerticalCell 0x10000000
|
||
|
|
|
||
|
|
#define GetCellWidth(x) ((x) & 0xFFFFFF)
|
||
|
|
#define IsTopCell(x) (((x) & fTopCell) != 0)
|
||
|
|
#define IsLowCell(x) ((x) & fLowCell)
|
||
|
|
#define IsVertMergedCell(x) ((x) & (fTopCell | fLowCell))
|
||
|
|
#define IsVerticalCell(x) ((x) & fVerticalCell)
|
||
|
|
#define GetCellVertAlign(x) ((x) & 0x03000000)
|
||
|
|
#define IsCellVertAlignCenter(x) ((x) & 0x01000000)
|
||
|
|
|
||
|
|
#define CELL_EXTRA (sizeof(CELLPARMS)/sizeof(LONG) - 1)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* CTabs
|
||
|
|
*
|
||
|
|
* @class
|
||
|
|
* CFixArray element for tab and cell arrays
|
||
|
|
*/
|
||
|
|
class CTabs
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
LONG _cTab; // Count of tabs (or total LONGs in cells)
|
||
|
|
LONG *_prgxTabs; // Ptr to tab array
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Table Storage Layout:
|
||
|
|
*
|
||
|
|
* Tables are stored using paragraphs with special characteristics.
|
||
|
|
* Each table row starts with a two-character paragraph consisting of
|
||
|
|
* a STARTFIELD character followed by a CR. The associated CParaFormat
|
||
|
|
* has the PFE_TABLEROWDELIMITER bit of _wEffects set to 1. The CParaFormat
|
||
|
|
* properties identify the row properties: alignment, StartIndent, line
|
||
|
|
* spacing, line spacing rule, PFE_KEEP and PFE_RTLPARA bits, and border
|
||
|
|
* info, which all work the same way for the row that they work for an
|
||
|
|
* ordinary paragraph. The offset field gives the half-gap space between
|
||
|
|
* cells in the row. The CTabArray for the paragraph gives the cell widths
|
||
|
|
* and other info, such as vertical cell merge.
|
||
|
|
*
|
||
|
|
* Cells in the row are delimited by CELL, which can have a CParaFormat like
|
||
|
|
* a CR, so that properties like alignment can be attached to a cell without
|
||
|
|
* having an explicit CR. CRs are allowed in cells and the text may wrap
|
||
|
|
* in the cell.
|
||
|
|
*
|
||
|
|
* The table row ends with a two-character paragraph consisting of
|
||
|
|
* a ENDFIELD character followed by a CR. The associated CParaFormat is
|
||
|
|
* the same as the corresponding table row start paragraph.
|
||
|
|
*
|
||
|
|
* Tables can be nested. The _bTableLevel gives the nesting level: 1 for
|
||
|
|
* the outermost table, 2 for the next to outermost table, etc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
BOOL IsValidTwip(LONG dl);
|