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https://github.com/fadden/ciderpress.git
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2adbe9591f
The AWP5 MouseText output is okay for some things but not others. This adds an ASCII conversion, enabled through a preference.
420 lines
14 KiB
C++
420 lines
14 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2007, 2008 by faddenSoft, LLC. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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/*
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* Reformatter base classes. The main app does not need this header file.
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*
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* Every converter turns the source into text or graphics. Currently it's
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* not possible to convert something into a mix of both. We could change
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* that, but we'd have to figure out what that means when extracting a file
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* (i.e. figure out the RTF embedded bitmap format).
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*/
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#ifndef REFORMAT_REFORMATBASE_H
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#define REFORMAT_REFORMATBASE_H
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#include "Reformat.h"
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#include "Charset.h"
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#define BufPrintf fExpBuf.Printf
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/*
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* Abstract base class for reformatting a file into readable text.
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*
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* The transmuted version is written on top of the original, or is allocated
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* in new[]ed storage and replaces the original (which is delete[]d).
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*/
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class Reformat {
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public:
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Reformat(void) {}
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virtual ~Reformat(void) {}
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enum {
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kTypePCD = 0x02,
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kTypePTX = 0x03,
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kTypeTXT = 0x04,
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kTypeBIN = 0x06,
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kTypeFOT = 0x08,
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kTypeBA3 = 0x09,
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kTypeDIR = 0x0f,
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kTypeADB = 0x19,
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kTypeAWP = 0x1a,
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kTypeASP = 0x1b,
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kType8OB = 0x2b,
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kTypeP8C = 0x2e,
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kTypeGWP = 0x50,
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kTypeOBJ = 0xb1,
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kTypeLIB = 0xb2,
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kTypeFST = 0xbd,
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kTypePNT = 0xc0,
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kTypePIC = 0xc1,
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kTypeCMD = 0xf0,
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kTypeDOS_B = 0xf4, // alternate 'B'
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kTypeOS = 0xf9,
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kTypeINT = 0xfa,
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kTypeBAS = 0xfc,
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kTypeSYS = 0xff,
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};
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/* test applicability of all file parts */
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virtual void Examine(ReformatHolder* pHolder) = 0;
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/* reformat appropriately; returns 0 on success, -1 on error */
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virtual int Process(const ReformatHolder* pHolder,
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ReformatHolder::ReformatID id, ReformatHolder::ReformatPart part,
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ReformatOutput* pOutput) = 0;
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// grab the next 8 bits
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static inline uint8_t Read8(const uint8_t** pBuf, long* pLength) {
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if (*pLength > 0) {
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(*pLength)--;
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return *(*pBuf)++;
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} else {
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// ought to throw an exception here
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ASSERT(false);
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return (uint8_t) -1;
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}
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}
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// grab a 16-bit little-endian value
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static inline uint16_t Read16(const uint8_t** pBuf, long* pLength) {
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uint16_t val;
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if (*pLength >= 2) {
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val = *(*pBuf)++;
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val |= *(*pBuf)++ << 8;
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*pLength -= 2;
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} else {
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// ought to throw an exception here
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ASSERT(false);
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val = (uint16_t) -1;
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}
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return val;
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}
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// grab a 32-bit little-endian value
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static inline uint32_t Read32(const uint8_t** pBuf, long* pLength) {
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uint32_t val;
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if (*pLength >= 4) {
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val = *(*pBuf)++;
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val |= *(*pBuf)++ << 8;
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val |= *(*pBuf)++ << 16;
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val |= *(*pBuf)++ << 24;
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*pLength -= 4;
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} else {
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// ought to throw an exception here
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ASSERT(false);
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val = (uint32_t) -1;
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}
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return val;
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}
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static inline uint16_t Get16LE(const uint8_t* buf) {
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return *buf | *(buf+1) << 8;
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}
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static inline uint32_t Get32LE(const uint8_t* buf) {
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return *buf | *(buf+1) << 8 | *(buf+2) << 16 | *(buf+3) << 24;
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}
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static inline uint16_t Get16BE(const uint8_t* buf) {
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return *buf << 8 | *(buf+1);
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}
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static inline uint32_t Get32BE(const uint8_t* buf) {
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return *buf << 24 | *(buf+1) << 16 | *(buf+2) << 8 | *(buf+3);
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}
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static inline uint16_t Get16(const uint8_t* buf, bool littleEndian) {
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if (littleEndian)
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return Get16LE(buf);
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else
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return Get16BE(buf);
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}
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static inline uint32_t Get32(const uint8_t* buf, bool littleEndian) {
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if (littleEndian)
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return Get32LE(buf);
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else
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return Get32BE(buf);
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}
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private:
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DECLARE_COPY_AND_OPEQ(Reformat)
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};
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/*
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* Abstract base class for reformatting a graphics file into a
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* device-independent bitmap..
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*/
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class ReformatGraphics: public Reformat {
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public:
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ReformatGraphics() {
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InitPalette();
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}
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protected:
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void SetResultBuffer(ReformatOutput* pOutput, MyDIBitmap* pDib);
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/*
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* Color palette to use for color conversions. We store it here
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* so it can be configured to suit the user's tastes.
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*/
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enum { kPaletteBlack, kPaletteRed, kPaletteDarkBlue,
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kPalettePurple, kPaletteDarkGreen, kPaletteDarkGrey,
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kPaletteMediumBlue, kPaletteLightBlue, kPaletteBrown,
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kPaletteOrange, kPaletteLightGrey, kPalettePink,
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kPaletteGreen, kPaletteYellow, kPaletteAqua,
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kPaletteWhite, kPaletteSize };
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RGBQUAD fPalette[kPaletteSize];
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int UnpackBytes(uint8_t* dst, const uint8_t* src,
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long dstRem, long srcLen);
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void UnPackBits(const uint8_t** pSrcBuf, long* pSrcLen,
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uint8_t** pOutPtr, long dstLen, uint8_t xorVal);
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private:
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DECLARE_COPY_AND_OPEQ(ReformatGraphics)
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void InitPalette();
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};
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/*
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* Abstract base class for reformatting a file into readable text.
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*
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* Includes an expanding buffer that can be appended to, and a set of RTF
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* primitives for adding structure.
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*/
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class ReformatText : public Reformat {
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public:
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enum ParagraphJustify {
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kJustifyLeft,
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kJustifyRight,
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kJustifyCenter,
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kJustifyFull,
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};
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ReformatText()
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: fUseRTF(true),
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fLeftMargin(0),
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fRightMargin(0),
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fPointSize(8),
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fPreMultPointSize(8),
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fGSFontSizeMult(1.0),
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fBoldEnabled(false),
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fItalicEnabled(false),
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fUnderlineEnabled(false),
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fInverseEnabled(false),
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fOutlineEnabled(false),
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fShadowEnabled(false),
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fSuperscriptEnabled(false),
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fSubscriptEnabled(false),
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fJustified(kJustifyLeft),
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fTextColor(kColorNone)
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{}
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virtual ~ReformatText(void) {}
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/*
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* The numeric values are determined by the RTF header that we output.
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* If the header in RTFBegin() changes, update these values.
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*/
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typedef enum RTFFont {
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// basic fonts (one monospace, one proportional, Courier New default)
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kFontCourierNew = 0,
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kFontTimesRoman = 1,
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kFontArial = 2,
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kFontSymbol = 3,
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} RTFFont;
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typedef enum {
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kColorNone = 0,
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// full colors (RGB 0 or 255)
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kColorBlack = 1,
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kColorBlue = 2,
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kColorCyan = 3,
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kColorGreen = 4, // a little bright for white bkgnd
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kColorPink = 5,
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kColorRed = 6,
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kColorYellow = 7,
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kColorWhite = 8,
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// mixed colors
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kColorMediumBlue = 9,
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kColorMediumAqua = 10,
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kColorMediumGreen = 11,
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kColorMagena = 12,
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kColorMediumRed = 13,
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kColorOlive = 14,
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kColorMediumGrey = 15,
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kColorLightGrey = 16,
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kColorDarkGrey = 17,
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kColorOrange = 18,
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} TextColor;
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/* Apple IIgs families */
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typedef enum GSFontFamily {
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// standard fonts, defined in toolbox ref
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kGSFontNewYork = 0x0002,
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kGSFontGeneva = 0x0003, // sans-sarif, like Arial
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kGSFontMonaco = 0x0004, // monospace
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kGSFontVenice = 0x0005, // script font
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kGSFontLondon = 0x0006,
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kGSFontAthens = 0x0007,
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kGSFontSanFran = 0x0008,
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kGSFontToronto = 0x0009,
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kGSFontCairo = 0x000b,
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kGSFontLosAngeles = 0x000c,
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kGSFontTimes = 0x0014, // sarif, equal to Times New Roman
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kGSFontHelvetica = 0x0015, // sans-sarif, equal to Arial
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kGSFontCourier = 0x0016, // monospace, sarif, Courier
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kGSFontSymbol = 0x0017,
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kGSFontTaliesin = 0x0018,
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// I had these installed, by apps or by Pointless
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kGSFontStarfleet = 0x078d,
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kGSFontWestern = 0x088e,
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kGSFontGenoa = 0x0bcb,
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kGSFontClassical = 0x2baa,
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kGSFontChicago = 0x3fff,
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kGSFontGenesys = 0x7530,
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kGSFontPCMonospace = 0x7fdc, // monospace, sans-sarif
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kGSFontAppleM = 0x7f58, // looks like classic Apple II font
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kGSFontUnknown1 = 0x9c50, // found in French AWGS doc "CONVSEC"
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kGSFontUnknown2 = 0x9c54, // found in French AWGS doc "CONVSEC"
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// ROM font
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kGSFontShaston = 0xfffe, // rounded sans-sarif
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} GSFontFamily;
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/* QuickDraw II font styles; this is a bit mask */
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typedef enum QDFontStyle {
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kQDStyleBold = 0x01,
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kQDStyleItalic = 0x02,
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kQDStyleUnderline = 0x04,
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kQDStyleOutline = 0x08,
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kQDStyleShadow = 0x10,
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kQDStyleReserved = 0x20,
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kQDStyleSuperscript = 0x40, // not in QDII -- AWGS only
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kQDStyleSubscript = 0x80, // not in QDII -- AWGS only
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} QDFontStyle;
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/* flags for RTFBegin */
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enum {
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kRTFFlagColorTable = 1, // include color table
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};
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protected:
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void RTFBegin(int flags = 0);
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void RTFEnd(void);
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void RTFSetPara(void);
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void RTFNewPara(void);
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void RTFPageBreak(void);
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void RTFTab(void);
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void RTFBoldOn(void);
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void RTFBoldOff(void);
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void RTFItalicOn(void);
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void RTFItalicOff(void);
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void RTFUnderlineOn(void);
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void RTFUnderlineOff(void);
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void RTFInverseOn(void);
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void RTFInverseOff(void);
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void RTFParaLeft(void);
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void RTFParaRight(void);
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void RTFParaCenter(void);
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void RTFParaJustify(void);
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void RTFSubscriptOn(void);
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void RTFSubscriptOff(void);
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void RTFSuperscriptOn(void);
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void RTFSuperscriptOff(void);
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void RTFOutlineOn(void);
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void RTFOutlineOff(void);
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void RTFShadowOn(void);
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void RTFShadowOff(void);
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TextColor RTFSetColor(TextColor color);
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void RTFSetFont(RTFFont font);
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void RTFSetFontSize(int points);
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void RTFLeftMargin(int margin);
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void RTFRightMargin(int margin);
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void RTFSetGSFont(uint16_t family);
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void RTFSetGSFontSize(int points);
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void RTFSetGSFontStyle(uint8_t qdStyle);
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// void RTFProportionalOn(void);
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// void RTFProportionalOff(void);
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void ConvertEOL(const uint8_t* srcBuf, long srcLen,
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bool stripHiBits);
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void ConvertEOL(const uint8_t* srcBuf, long srcLen,
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bool stripHiBits, bool stripNulls);
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void BufHexDump(const uint8_t* srcBuf, long srcLen);
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void SetResultBuffer(ReformatOutput* pOutput, bool multiFont = false);
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ExpandBuffer fExpBuf;
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bool fUseRTF;
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// return a low-ASCII character so we can read high-ASCII files
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inline char PrintableChar(uint8_t ch) {
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if (ch < 0x20)
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return '.';
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else if (ch < 0x7f)
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return ch;
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else if (ch < 0xa0 || ch == 0xff) // 0xff becomes 0x7f
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return '.';
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else
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return ch & 0x7f;
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}
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// output an RTF-escaped char (do we want to trap Ctrl-Z?)
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// (only use this if we're in RTF mode)
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inline void RTFPrintChar(uint8_t ch) {
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char pch = PrintableChar(ch);
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RTFPrintUTF16Char(pch);
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}
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// output an RTF-escaped char, allowing UTF-16 Unicode values
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// (only use this if we're in RTF mode)
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inline void RTFPrintUTF16Char(uint16_t ch) {
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if (ch == '\\') {
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fExpBuf.Printf("\\\\");
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} else if (ch == '{') {
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fExpBuf.Printf("\\{");
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} else if (ch == '}') {
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fExpBuf.Printf("\\}");
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} else if (ch >= 0x20 && ch < 0x80) {
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// don't use Unicode escapes for these, or the output will be
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// unreadable by mere humans
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fExpBuf.Printf("%c", ch);
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} else {
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// must print as a *signed* 16-bit decimal value, though it
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// looks like most parsers work either way
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fExpBuf.Printf("\\u%d?", (int16_t)ch);
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}
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}
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// output a char, doubling up double quotes (for .CSV)
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inline void BufPrintQChar(uint8_t ch) {
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if (ch == '"')
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fExpBuf.Printf("\"\"");
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else
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fExpBuf.Printf("%c", ch);
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}
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// Converts a MouseText value (0-31) to a 16-bit UTF-16 value. If
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// the character is in the BMP then only low is used. If it requires
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// encoding as a surrogate pair, high will be nonzero.
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void MouseTextToUTF16(uint8_t mtVal, uint16_t* pLow, uint16_t* pHigh);
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// Converts a MouseText value (0-31) to an ASCII equivalent. This is not
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// a 1:1 conversion, so it's not reversible.
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int8_t MouseTextToASCII(uint8_t mtVal);
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private:
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DECLARE_COPY_AND_OPEQ(ReformatText)
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int CreateWorkBuf(void);
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enum { kRTFUnitsPerInch = 1440 }; // TWIPS
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int fLeftMargin, fRightMargin; // for documents, in 1/10th inch
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int fPointSize;
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int fPreMultPointSize;
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float fGSFontSizeMult;
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bool fBoldEnabled;
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bool fItalicEnabled;
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bool fUnderlineEnabled;
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bool fInverseEnabled;
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bool fOutlineEnabled;
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bool fShadowEnabled;
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bool fSuperscriptEnabled;
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bool fSubscriptEnabled;
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ParagraphJustify fJustified;
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TextColor fTextColor;
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};
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#endif /*REFORMAT_REFORMATBASE_H*/
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