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rule.cpp
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rule.cpp
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/*
* rule.cpp -- generic Rule handling
* by [email protected] at Fri Mar 15 21:13:47 CET 2002
*/
#ifdef __GNUC__
#ifndef __clang__
#pragma implementation
#endif
#endif
#include "rule.hpp"
#include "error.hpp"
#include <string.h> /* strlen() */
bool Rule::Cache::isPDF() const {
return 80<=FileFormat && FileFormat<100;
}
bool Rule::Cache::isPDFB() const {
return 90<=FileFormat && FileFormat<100;
}
bool Rule::Cache::isIndexed() const {
return SampleFormat==Image::SF_Indexed1
|| SampleFormat==Image::SF_Indexed2
|| SampleFormat==Image::SF_Indexed4
|| SampleFormat==Image::SF_Indexed8;
}
bool Rule::Cache::isTransparentM() const {
return SampleFormat==Image::SF_Mask
|| SampleFormat==Image::SF_Transparent2
|| SampleFormat==Image::SF_Transparent4
|| SampleFormat==Image::SF_Transparent8;
}
bool Rule::Cache::isOneBit() const {
return SampleFormat==Image::SF_Mask
|| SampleFormat==Image::SF_Indexed1
|| SampleFormat==Image::SF_Gray1;
}
#if 0
bool Rule::Cache::is8() const {
return SampleFormat==Image::SF_Indexed1
|| SampleFormat==Image::SF_Indexed2
|| SampleFormat==Image::SF_Indexed4
|| SampleFormat==Image::SF_Indexed8;
}
#endif
bool Rule::Cache::isGray() const {
return SampleFormat==Image::SF_Gray1
|| SampleFormat==Image::SF_Gray2
|| SampleFormat==Image::SF_Gray4
|| SampleFormat==Image::SF_Gray8;
}
bool Rule::Cache::isRGB() const {
return SampleFormat==Image::SF_Rgb1
|| SampleFormat==Image::SF_Rgb2
|| SampleFormat==Image::SF_Rgb4
|| SampleFormat==Image::SF_Rgb8;
}
bool Rule::Cache::isBinSB() const {
return TransferEncoding==TE_Binary
|| TransferEncoding==TE_MSBfirst
|| TransferEncoding==TE_LSBfirst;
}
bool Rule::Cache::isPS() const {
return FileFormat>=100;
}
bool Rule::Cache::isPSL2() const {
return FileFormat>=120;
}
bool Rule::Cache::isPSL3() const {
return FileFormat>=130;
}
bool Rule::Cache::hasPredictor() const {
return Predictor!=PR_None;
}
bool Rule::Cache::isDCTE() const {
/* Dat: _not_ CO_JAI */
return Compression==CO_DCT || Compression==CO_IJG;
}
bool Rule::Cache::isZIPOK() const {
return Compression!=CO_ZIP ||
( FileFormat!=FF_PSL1 && FileFormat!=FF_PSLC && FileFormat!=FF_PSL2
&& FileFormat!=FF_PDF10 && FileFormat!=FF_PDFB10
);
}
static MiniPS::Dict *y_FileFormat=(MiniPS::Dict*)NULLP,
*y_SampleFormat, *y_TransferEncoding,
*y_Compression, *y_Scale;
static class ValueDeleter {
public:
~ValueDeleter() {
MiniPS::delete0((MiniPS::VALUE)y_FileFormat);
MiniPS::delete0((MiniPS::VALUE)y_SampleFormat);
MiniPS::delete0((MiniPS::VALUE)y_TransferEncoding);
MiniPS::delete0((MiniPS::VALUE)y_Compression);
MiniPS::delete0((MiniPS::VALUE)y_Scale);
}
} value_deleter;
static const slen_t SampleFormat_MAXLEN=32;
static void init_dicts() {
register MiniPS::Dict*y;
/** TODO: Make this thread-safe. */
if (y_FileFormat!=NULLP) return;
y=y_FileFormat=new MiniPS::Dict();
y->put("/PSL1", MiniPS::Qinteger(Rule::Cache::FF_PSL1));
y->put("/PSLC", MiniPS::Qinteger(Rule::Cache::FF_PSLC));
y->put("/PSL2", MiniPS::Qinteger(Rule::Cache::FF_PSL2));
y->put("/PSL3", MiniPS::Qinteger(Rule::Cache::FF_PSL3));
y->put("/PDFB1.0",MiniPS::Qinteger(Rule::Cache::FF_PDFB10));
y->put("/PDFB1.2",MiniPS::Qinteger(Rule::Cache::FF_PDFB12));
y->put("/PDF1.0", MiniPS::Qinteger(Rule::Cache::FF_PDF10));
y->put("/PDF1.2", MiniPS::Qinteger(Rule::Cache::FF_PDF12));
y->put("/GIF89a", MiniPS::Qinteger(Rule::Cache::FF_GIF89a));
y->put("/GIF", MiniPS::Qinteger(Rule::Cache::FF_GIF89a));
y->put("/Empty", MiniPS::Qinteger(Rule::Cache::FF_Empty));
y->put("/Meta", MiniPS::Qinteger(Rule::Cache::FF_Meta));
y->put("/PNM", MiniPS::Qinteger(Rule::Cache::FF_PNM));
y->put("/PAM", MiniPS::Qinteger(Rule::Cache::FF_PAM));
y->put("/PIP", MiniPS::Qinteger(Rule::Cache::FF_PIP));
y->put("/JPEG", MiniPS::Qinteger(Rule::Cache::FF_JPEG));
y->put("/JPG", MiniPS::Qinteger(Rule::Cache::FF_JPEG));
y->put("/TIFF", MiniPS::Qinteger(Rule::Cache::FF_TIFF));
y->put("/TIF", MiniPS::Qinteger(Rule::Cache::FF_TIFF));
y->put("/PNG", MiniPS::Qinteger(Rule::Cache::FF_PNG));
y->put("/XPM", MiniPS::Qinteger(Rule::Cache::FF_XPM));
y->put("/BMP", MiniPS::Qinteger(Rule::Cache::FF_BMP));
y->put("/XWD", MiniPS::Qinteger(Rule::Cache::FF_XWD));
y->put("/X11", MiniPS::Qinteger(Rule::Cache::FF_X11));
/* vvv strlen must be shorter then SampleFormat_MAXLEN */
y=y_SampleFormat=new MiniPS::Dict();
y->put("/Opaque", MiniPS::Qinteger(Image::SF_Opaque));
y->put("/Transparent", MiniPS::Qinteger(Image::SF_Transparent));
y->put("/Transparent2", MiniPS::Qinteger(Image::SF_Transparent2));
y->put("/Transparent4", MiniPS::Qinteger(Image::SF_Transparent4));
y->put("/Transparent8", MiniPS::Qinteger(Image::SF_Transparent8));
y->put("/Gray1", MiniPS::Qinteger(Image::SF_Gray1));
y->put("/Gray2", MiniPS::Qinteger(Image::SF_Gray2));
y->put("/Gray4", MiniPS::Qinteger(Image::SF_Gray4));
y->put("/Gray8", MiniPS::Qinteger(Image::SF_Gray8));
y->put("/Indexed1", MiniPS::Qinteger(Image::SF_Indexed1));
y->put("/Indexed2", MiniPS::Qinteger(Image::SF_Indexed2));
y->put("/Indexed4", MiniPS::Qinteger(Image::SF_Indexed4));
y->put("/Indexed8", MiniPS::Qinteger(Image::SF_Indexed8));
y->put("/Mask", MiniPS::Qinteger(Image::SF_Mask));
y->put("/Rgb1", MiniPS::Qinteger(Image::SF_Rgb1)); /* recommended */
y->put("/Rgb2", MiniPS::Qinteger(Image::SF_Rgb2));
y->put("/Rgb4", MiniPS::Qinteger(Image::SF_Rgb4));
y->put("/Rgb8", MiniPS::Qinteger(Image::SF_Rgb8));
y->put("/RGB1", MiniPS::Qinteger(Image::SF_Rgb1)); /* obsolete */
y->put("/RGB2", MiniPS::Qinteger(Image::SF_Rgb2));
y->put("/RGB4", MiniPS::Qinteger(Image::SF_Rgb4));
y->put("/RGB8", MiniPS::Qinteger(Image::SF_Rgb8));
y->put("/Asis", MiniPS::Qinteger(Image::SF_Asis));
y->put("/Bbox", MiniPS::Qinteger(Image::SF_Bbox));
y=y_TransferEncoding=new MiniPS::Dict();
y->put("/Binary", MiniPS::Qinteger(Rule::Cache::TE_Binary));
y->put("/ASCII", MiniPS::Qinteger(Rule::Cache::TE_ASCII));
y->put("/Hex", MiniPS::Qinteger(Rule::Cache::TE_Hex)); /* recommended */
y->put("/AHx", MiniPS::Qinteger(Rule::Cache::TE_Hex));
y->put("/ASCIIHex", MiniPS::Qinteger(Rule::Cache::TE_Hex));
y->put("/A85", MiniPS::Qinteger(Rule::Cache::TE_A85)); /* recommended */
y->put("/ASCII85", MiniPS::Qinteger(Rule::Cache::TE_A85));
y->put("/MSBfirst", MiniPS::Qinteger(Rule::Cache::TE_MSBfirst));
y->put("/LSBfirst", MiniPS::Qinteger(Rule::Cache::TE_LSBfirst));
y=y_Compression=new MiniPS::Dict();
y->put("/ ", MiniPS::Qinteger(Rule::Cache::CO_None)); /* default */
y->put("/None", MiniPS::Qinteger(Rule::Cache::CO_None)); /* recommended */
y->put("/LZW", MiniPS::Qinteger(Rule::Cache::CO_LZW)); /* recommended */
y->put("/ZIP", MiniPS::Qinteger(Rule::Cache::CO_ZIP)); /* recommended */
y->put("/Flate", MiniPS::Qinteger(Rule::Cache::CO_ZIP));
y->put("/Fl", MiniPS::Qinteger(Rule::Cache::CO_ZIP));
y->put("/RLE", MiniPS::Qinteger(Rule::Cache::CO_RLE)); /* recommended */
y->put("/RunLength", MiniPS::Qinteger(Rule::Cache::CO_RLE));
y->put("/RunLengthEncoded", MiniPS::Qinteger(Rule::Cache::CO_RLE));
y->put("/RL", MiniPS::Qinteger(Rule::Cache::CO_RLE));
y->put("/PackBits", MiniPS::Qinteger(Rule::Cache::CO_RLE));
y->put("/Fax", MiniPS::Qinteger(Rule::Cache::CO_Fax)); /* recommended */
y->put("/CCITTFax", MiniPS::Qinteger(Rule::Cache::CO_Fax));
y->put("/CCF", MiniPS::Qinteger(Rule::Cache::CO_Fax));
y->put("/DCT", MiniPS::Qinteger(Rule::Cache::CO_DCT)); /* recommended */
y->put("/JPEG",MiniPS::Qinteger(Rule::Cache::CO_IJG)); /* changed at Sun Jun 23 17:06:34 CEST 2002 */
y->put("/JPG", MiniPS::Qinteger(Rule::Cache::CO_IJG)); /* changed at Sun Jun 23 17:06:34 CEST 2002 */
y->put("/JFIF",MiniPS::Qinteger(Rule::Cache::CO_IJG)); /* changed at Sun Jun 23 17:06:34 CEST 2002 */
y->put("/IJG", MiniPS::Qinteger(Rule::Cache::CO_IJG)); /* recommended */
y->put("/JAI", MiniPS::Qinteger(Rule::Cache::CO_JAI)); /* recommended */
y=y_Scale=new MiniPS::Dict();
y->put("/ ", MiniPS::Qinteger(Rule::CacheHints::SC_None)); /* default */
y->put("/None", MiniPS::Qinteger(Rule::CacheHints::SC_None));
y->put("/OK", MiniPS::Qinteger(Rule::CacheHints::SC_OK));
y->put("/RotateOK",MiniPS::Qinteger(Rule::CacheHints::SC_RotateOK));
}
Image::sf_t Rule::Cache::parseSampleFormat(char const*s, slen_t slen) {
/* Tue Jul 2 13:48:12 CEST 2002 */
#if 0 /* BUGFIX for g++-3.4 (needs symbols __cxa_guard_acquire, __cxa_guard_release) */
static char rule_dummy=(init_dicts(),0); /* call once per process */
(void)rule_dummy;
#else
if (y_FileFormat==NULLP) init_dicts();
#endif
while (slen!=0 && s[0]=='/') { s++; slen--; }
if (slen<=0 || slen>=SampleFormat_MAXLEN) return Image::SF_max;
char buf[SampleFormat_MAXLEN];
GenBuffer::tolower_memcpy(buf, s, slen);
if (buf[0]>='a' && buf[0]<='z') buf[0]+='A'-'a'; /* capitalize 1st letter */
MiniPS::VALUE v=y_SampleFormat->get(buf, slen);
return (Image::sf_t) (v==MiniPS::Qundef ? Image::SF_max : MiniPS::int2ii(v));
}
char const* Rule::Cache::dumpFileFormat(ff_t FileFormat, co_t Compression) {
switch (FileFormat) {
case FF_eps: return Compression==CO_ZIP ? "PSL3" : "PSL2";
case FF_pdf: return Compression==CO_ZIP ? "PDF1.2" : "PDF1.0";
case FF_pdfb: return Compression==CO_ZIP ? "PDFB1.2" : "PDFB1.0";
case FF_PSL1: return "PSL1";
case FF_PSLC: return "PSLC";
case FF_PSL2: return "PSL2";
case FF_PSL3: return "PSL3";
case FF_PDFB10:return "PDFB1.0";
case FF_PDFB12:return "PDFB1.2";
case FF_PDF10: return "PDF1.0";
case FF_PDF12: return "PDF1.2";
case FF_GIF89a:return "GIF89a";
case FF_PNM: return "PNM";
case FF_PAM: return "PAM";
case FF_PIP: return "PIP";
case FF_Empty: return "Empty";
case FF_Meta: return "Meta";
case FF_JPEG: return "JPEG";
case FF_TIFF: return "TIFF";
case FF_PNG: return "PNG";
case FF_XPM: return "XPM";
case FF_BMP: return "BMP";
case FF_XWD: return "XWD";
case FF_X11: return "X11";
}
return (char const*)NULLP;
}
char const* Rule::Cache::dumpTransferEncoding(te_t TransferEncoding) {
switch (TransferEncoding) {
case TE_Binary: return "Binary";
case TE_ASCII: return "ASCII";
case TE_Hex: return "Hex";
case TE_A85: return "A85";
case TE_MSBfirst:return "MSBfirst";
case TE_LSBfirst:return "LSBfirst";
}
return (char const*)NULLP;
}
char const* Rule::Cache::dumpSampleFormat(Image::sf_t SampleFormat) {
switch (SampleFormat) {
case Image::SF_Opaque: return "Opaque";
case Image::SF_Transparent: return "Transparent";
case Image::SF_Gray1: return "Gray1";
case Image::SF_Indexed1: return "Indexed1";
case Image::SF_Mask: return "Mask";
case Image::SF_Transparent2: return "Transparent2";
case Image::SF_Gray2: return "Gray2";
case Image::SF_Indexed2: return "Indexed2";
case Image::SF_Transparent4: return "Transparent4";
case Image::SF_Rgb1: return "Rgb1";
case Image::SF_Gray4: return "Gray4";
case Image::SF_Indexed4: return "Indexed4";
case Image::SF_Transparent8: return "Transparent8";
case Image::SF_Rgb2: return "Rgb2";
case Image::SF_Gray8: return "Gray8";
case Image::SF_Indexed8: return "Indexed8";
case Image::SF_Rgb4: return "Rgb4";
case Image::SF_Rgb8: return "Rgb8";
case Image::SF_Asis: return "Asis";
case Image::SF_Bbox: return "Bbox";
}
return (char const*)NULLP;
}
char const* Rule::Cache::dumpCompression(co_t Compression) {
switch (Compression) {
case CO_None:return "None";
case CO_LZW: return "LZW";
case CO_ZIP: return "ZIP";
case CO_RLE: return "RLE";
case CO_Fax: return "Fax";
case CO_DCT: return "DCT";
case CO_IJG: return "IJG";
case CO_JAI: return "JAI";
}
return (char const*)NULLP;
}
char const* Rule::CacheHints::dumpScale(sc_t Scale) {
switch (Scale) {
case SC_None: return "None";
case SC_OK: return "OK";
case SC_RotateOK:return "RotateOK";
}
return (char const*)NULLP;
}
/* Checks and recovers Predictor. Called by scanf_dict.
* @return Qundef if param invalid
* Qinteger(1) if param==Qundef
* valid Qinteger otherwise
*/
static MiniPS::VALUE better_predictor(MiniPS::VALUE v) {
return v==MiniPS::Qundef ? MiniPS::Qinteger(1) /* PR_None */
: v==MiniPS::Qinteger(1) || v==MiniPS::Qinteger(2) ||
v==MiniPS::Qinteger(45) || v==MiniPS::Qinteger(55) ||
((v&1)!=0 && v>=MiniPS::Qinteger(10) && v<=MiniPS::Qinteger(15)) ? v
: MiniPS::Qundef;
}
static MiniPS::VALUE better_xColors(MiniPS::VALUE v) {
return v==MiniPS::Qundef ? MiniPS::Qinteger(0)
: ((v&1)!=0 && v>=MiniPS::Qinteger(1) && v<=MiniPS::Qinteger(4)) ? v
: MiniPS::Qundef;
}
static MiniPS::VALUE better_predictorBPC(MiniPS::VALUE v) {
return v==MiniPS::Qundef ? MiniPS::Qinteger(0)
: v==MiniPS::Qinteger(1) || v==MiniPS::Qinteger(2) ||
v==MiniPS::Qinteger(4) || v==MiniPS::Qinteger(8) ? v
: MiniPS::Qundef;
}
static MiniPS::VALUE better_effort(MiniPS::VALUE v) {
return v==MiniPS::Qundef ? MiniPS::Qinteger(-1)
: ((v&1)!=0 && v>=MiniPS::Qinteger(-1) && v<=MiniPS::Qinteger(9)) ? v
: MiniPS::Qundef;
}
static MiniPS::VALUE better_k(MiniPS::VALUE v) {
return v==MiniPS::Qundef ? MiniPS::Qinteger(0)
: ((v&1)!=0 && v>=MiniPS::Qinteger(-2)) ? v /* -2 means: positive value marking the image height */
: MiniPS::Qundef;
}
static MiniPS::VALUE better_quality(MiniPS::VALUE v) {
return v==MiniPS::Qundef ? MiniPS::Qinteger(75)
: ((v&1)!=0 && v>=MiniPS::Qinteger(0) && v<=MiniPS::Qinteger(100)) ? v
: MiniPS::Qundef;
}
static MiniPS::VALUE better_colorTransform(MiniPS::VALUE v) {
return v==MiniPS::Qundef ? MiniPS::Qinteger(3)
: ((v&1)!=0 && v>=MiniPS::Qinteger(0) && v<=MiniPS::Qinteger(3)) ? v
: MiniPS::Qundef;
}
void Rule::OutputRule::fromDict(MiniPS::VALUE dict_) {
#if 0 /* BUGFIX for g++-3.4 (needs symbols __cxa_guard_acquire, __cxa_guard_release) */
static char rule_dummy=(init_dicts(),0); /* call once per process */
(void)rule_dummy;
#else
if (y_FileFormat==NULLP) init_dicts();
#endif
MiniPS::VALUE dummy; (void)dummy;
MiniPS::VALUE FileFormat, SampleFormat, WarningOK, TransferEncoding,
Compression, Predictor, Transparent;
MiniPS::VALUE PredictorColumns, PredictorColors, PredictorBPC, Effort, K,
RecordSize, Quality, ColorTransform, TransferCPL,
EncoderRows, EncoderColumns, EncoderBPL, EncoderColors, DCT, Scale;
MiniPS::scanf_dict(dict_, /*show_warnings:*/true,
"FileFormat", MiniPS::S_SENUM, y_FileFormat, &FileFormat,
"SampleFormat", MiniPS::S_SENUM, y_SampleFormat, &SampleFormat,
"WarningOK", MiniPS::T_BOOLEAN, MiniPS::Qtrue, &WarningOK,
"TransferEncoding",MiniPS::S_SENUM, y_TransferEncoding, &TransferEncoding,
"Compression", MiniPS::S_SENUM, y_Compression, &Compression,
"Predictor", MiniPS::S_FUNC, better_predictor, &Predictor,
"Transparent", MiniPS::S_RGBSTR, MiniPS::Qnull, &Transparent, /* force an RGB color transparent */
"Hints", MiniPS::T_DICT, MiniPS::Qnull, &dictHints,
NULLP
);
dict=(MiniPS::Dict*)dict_;
cache.FileFormat=(Rule::Cache::ff_t)MiniPS::int2ii(FileFormat);
cache.SampleFormat=(Image::sf_t)MiniPS::int2ii(SampleFormat);
cache.WarningOK=(Rule::Cache::ff_t)WarningOK==MiniPS::Qtrue;
cache.TransferEncoding=(Rule::Cache::te_t)MiniPS::int2ii(TransferEncoding);
cache.Compression=(Rule::Cache::co_t)MiniPS::int2ii(Compression);
cache.Predictor=(Rule::Cache::pr_t)MiniPS::int2ii(Predictor);
cache.Transparent=0x1000000UL; /* No extra transparency */
if (Transparent!=MiniPS::Qnull) {
unsigned char const*p=(unsigned char const*)(MiniPS::RSTRING(Transparent)->begin_());
cache.Transparent=(p[0]<<16)+(p[1]<<8)+p[2];
}
//MiniPS::dump(Predictor);
// fprintf(stderr,"cpred=%u\n", cache.Predictor);
if ((MiniPS::VALUE)dictHints==MiniPS::Qnull) dict->put("/Hints", (MiniPS::VALUE)(dictHints=new MiniPS::Dict()));
MiniPS::scanf_dict((MiniPS::VALUE)dictHints, /*show_warnings:*/true,
"EncoderBPL", MiniPS::S_PINTEGER,MiniPS::Qinteger(0), &EncoderBPL,
"EncoderColumns", MiniPS::S_PINTEGER,MiniPS::Qinteger(0), &EncoderColumns,
"EncoderRows", MiniPS::S_PINTEGER,MiniPS::Qinteger(0), &EncoderRows,
"EncoderColors", MiniPS::S_FUNC, better_xColors, &EncoderColors,
"PredictorColumns",MiniPS::S_PINTEGER,MiniPS::Qinteger(0), &PredictorColumns,
"PredictorColors", MiniPS::S_FUNC, better_xColors, &PredictorColors,
"PredictorBPC", MiniPS::S_FUNC, better_predictorBPC, &PredictorBPC,
"Effort", MiniPS::S_FUNC, better_effort, &Effort,
"RecordSize", MiniPS::S_UINTEGER,MiniPS::Qinteger(0), &RecordSize,
"K", MiniPS::S_FUNC, better_k, &K,
"Quality", MiniPS::S_FUNC, better_quality, &Quality,
"ColorTransform", MiniPS::S_FUNC, better_colorTransform, &ColorTransform,
"TransferCPL", MiniPS::S_PINTEGER,MiniPS::Qinteger(78), &TransferCPL,
"DCT", MiniPS::T_DICT, MiniPS::Qnull, &DCT,
"Scale", MiniPS::S_SENUM, y_Scale, &Scale,
"ImageDPI", MiniPS::S_NUMBER, MiniPS::Qinteger(72), &cacheHints.ImageDPI,
"TopMargin", MiniPS::S_NUMBER, MiniPS::Qinteger(0), &cacheHints.TopMargin,
"BottomMargin", MiniPS::S_NUMBER, MiniPS::Qinteger(0), &cacheHints.BottomMargin,
"LeftMargin", MiniPS::S_NUMBER, MiniPS::Qinteger(0), &cacheHints.LeftMargin,
"RightMargin", MiniPS::S_NUMBER, MiniPS::Qinteger(0), &cacheHints.RightMargin,
"LowerMargin", MiniPS::S_NUMBER, MiniPS::Qinteger(0), &cacheHints.LowerMargin,
"Comment", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Comment,
"Title", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Title,
"Subject", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Subject,
"Author", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Author,
"Creator", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Creator,
"Producer", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Producer,
"Created", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Created,
"Produced", MiniPS::T_STRING, MiniPS::Qnull, &cacheHints.Produced,
#if 0
/* vvv parameters for /DCTEncode. Currently ignored. Obsoleted by /DCT */
"Colors", MiniPS::S_ANY, MiniPS::Qnull, &dummy,
"HSamples", MiniPS::S_ANY, MiniPS::Qnull, &dummy,
"VSamples", MiniPS::S_ANY, MiniPS::Qnull, &dummy,
"QuantTables", MiniPS::S_ANY, MiniPS::Qnull, &dummy,
"QFactor", MiniPS::S_ANY, MiniPS::Qnull, &dummy,
"HuffTables", MiniPS::S_ANY, MiniPS::Qnull, &dummy,
#endif
NULLP
);
if (DCT==MiniPS::Qnull) dict->put("/DCT", DCT=(MiniPS::VALUE)new MiniPS::Dict());
// cacheHints.DCT=(DCT==MiniPS::Qnull)? new MiniPS::Dict() : MiniPS::RDICT(DCT);
if (cache.isPS()) {
MiniPS::setDumpPS(cacheHints.TopMargin, true);
MiniPS::setDumpPS(cacheHints.BottomMargin, true);
MiniPS::setDumpPS(cacheHints.LeftMargin, true);
MiniPS::setDumpPS(cacheHints.RightMargin, true);
MiniPS::setDumpPS(cacheHints.LowerMargin, true);
}
cacheHints.DCT=MiniPS::RDICT(DCT);
cacheHints.EncoderColumns=MiniPS::int2ii(EncoderColumns);
cacheHints.EncoderBPL=MiniPS::int2ii(EncoderBPL);
cacheHints.EncoderColors=MiniPS::int2ii(EncoderColors);
cacheHints.EncoderRows=MiniPS::int2ii(EncoderRows);
cacheHints.PredictorColumns=MiniPS::int2ii(PredictorColumns);
cacheHints.PredictorColors=MiniPS::int2ii(PredictorColors);
cacheHints.PredictorBPC=MiniPS::int2ii(PredictorBPC);
cacheHints.Effort=MiniPS::int2ii(Effort);
cacheHints.RecordSize=MiniPS::int2ii(RecordSize);
cacheHints.K=MiniPS::int2ii(K);
cacheHints.Quality=MiniPS::int2ii(Quality);
cacheHints.ColorTransform=MiniPS::int2ii(ColorTransform);
cacheHints.TransferCPL=MiniPS::int2ii(TransferCPL);
cacheHints.Scale=(Rule::CacheHints::sc_t)MiniPS::int2ii(Scale);
/* fprintf(stderr, "scaled=%g\n", (char*)MiniPS::scale(ImageDPI,1)); */
}
void Rule::OutputRule::doSampleFormat(Image::SampledInfo *info, bool separatep) {
/* Dat: called from appliers.cpp:out_*_work(); the sample format is final */
bool separatep2=
separatep &&
( cache.SampleFormat==Image::SF_Transparent2
|| cache.SampleFormat==Image::SF_Transparent4
|| cache.SampleFormat==Image::SF_Transparent8);
/* vvv simplifier added at Sat Jun 15 13:59:40 CEST 2002 */
if (separatep2) cache.SampleFormat=Image::SF_Transparent8;
if (!info->setSampleFormat(cache.SampleFormat, cache.WarningOK, /*TryOnly*/false, cache.Transparent))
Error::sev(Error::EERROR) << "doSampleFormat: cannot set desired SampleFormat" << (Error*)0;
Image::Sampled *img=info->getImg();
slen_t n=1;
if (separatep2) {
info->separate();
img=info->getImgs()[0];/*NULLP OK*/;
n=info->getNncols();
}
if (img!=NULLP) {
if (0==cacheHints.EncoderBPL) cacheHints.EncoderBPL=(slen_t)img->getWd()*img->getCpp()*img->getBpc();
if (0==cacheHints.EncoderColumns) cacheHints.EncoderColumns=img->getWd();
if (0==cacheHints.EncoderColors) cacheHints.EncoderColors=img->getCpp();
if (0==cacheHints.EncoderRows) cacheHints.EncoderRows=img->getHt()*n;
if (0==cacheHints.PredictorColumns) cacheHints.PredictorColumns=img->getWd();
if (0==cacheHints.PredictorColors) cacheHints.PredictorColors=img->getCpp();
if (0==cacheHints.PredictorBPC) cacheHints.PredictorBPC=img->getBpc();
if (-2==cacheHints.K) cacheHints.K=img->getHt()*n;
}
}
static char const*getDecode(Rule::Cache::co_t Compression) {
return (Compression==Rule::Cache::CO_LZW ? "/LZWDecode"
:Compression==Rule::Cache::CO_Fax ? "/CCITTFaxDecode"
:Compression==Rule::Cache::CO_ZIP ? "/FlateDecode"
:Compression==Rule::Cache::CO_RLE ? "/RunLengthDecode"
:Compression==Rule::Cache::CO_DCT ? "/DCTDecode"
:Compression==Rule::Cache::CO_IJG ? "/DCTDecode"
:Compression==Rule::Cache::CO_JAI ? "/DCTDecode"
:"");
}
/** For PDF BI inline images */
static char const*getBIDecode(Rule::Cache::co_t Compression) {
return (Compression==Rule::Cache::CO_LZW ? "/LZW"
:Compression==Rule::Cache::CO_Fax ? "/CCF"
:Compression==Rule::Cache::CO_ZIP ? "/Fl"
:Compression==Rule::Cache::CO_RLE ? "/RL"
:Compression==Rule::Cache::CO_DCT ? "/DCT"
:Compression==Rule::Cache::CO_IJG ? "/DCT"
:Compression==Rule::Cache::CO_JAI ? "/DCT"
:"");
}
void Rule::OutputRule::appendDecoderSpec(GenBuffer::Writable &out) const {
assert(cacheHints.PredictorBPC!=0 && "doSampleFormat already called");
bool hps=hasPredictorSpec();
if (cache.isPDF()) {
/* Dat: also implies appendTransferSpec() -- this is true only for PDF */
if (!cache.isPDFB()) {
if (cache.Compression==cache.CO_None) {
if (cache.TransferEncoding==cache.TE_Hex) out << "/Filter/ASCIIHexDecode";
else if (cache.TransferEncoding==cache.TE_A85) out << "/Filter/ASCII85Decode";
} else if (cache.TransferEncoding!=cache.TE_Hex && cache.TransferEncoding!=cache.TE_A85) {
out << "/Filter" << getDecode(cache.Compression);
if (hps) { out << "/DecodeParms"; appendPredictorSpec(out); }
} else { /* both TransferEncoding and Compression */
if (cache.TransferEncoding==cache.TE_Hex) out << "/Filter[/ASCIIHexDecode";
else if (cache.TransferEncoding==cache.TE_A85) out << "/Filter[/ASCII85Decode";
else assert(0);
out << getDecode(cache.Compression);
if (hps) { out << "]/DecodeParms[null"; appendPredictorSpec(out); }
/* ^^^ BUGFIX at Tue Jun 4 18:50:13 CEST 2002 */
out << ']';
}
} else {
if (cache.Compression==cache.CO_None) {
if (cache.TransferEncoding==cache.TE_Hex) out << "/F/AHx";
else if (cache.TransferEncoding==cache.TE_A85) out << "/F/A85";
} else if (cache.TransferEncoding!=cache.TE_Hex && cache.TransferEncoding!=cache.TE_A85) {
out << "/F" << getBIDecode(cache.Compression);
if (hps) { out << "/DP"; appendPredictorSpec(out); }
} else { /* both TransferEncoding and Compression */
if (cache.TransferEncoding==cache.TE_Hex) out << "/F[/AHx";
else if (cache.TransferEncoding==cache.TE_A85) out << "/F[/A85";
else assert(0);
out << getBIDecode(cache.Compression);
if (hps) { out << "]/DP[null"; appendPredictorSpec(out); }
out << ']';
}
} /* IFELSE PDFB */
} else { /* NOT PDF */
if (cache.Compression!=cache.CO_None) {
appendPredictorSpec(out);
out << getDecode(cache.Compression) << " filter";
}
} /* IFELSE PDF */
}
bool Rule::OutputRule::hasPredictorSpec() const {
return cache.Compression==cache.CO_Fax
|| ((cache.Compression==cache.CO_ZIP || cache.Compression==cache.CO_LZW) &&
cache.Predictor!=cache.PR_None);
}
void Rule::OutputRule::appendPredictorSpec(GenBuffer::Writable &out) const {
assert(cacheHints.PredictorBPC!=0 && "doSampleFormat already called");
if (cache.Compression==cache.CO_Fax)
out << "<</K " << cacheHints.K
<< "/Columns " << cacheHints.EncoderBPL
/* ^^^ EncoderColumns -> EncoderBPL BUGFIX at Wed Jul 3 20:05:12 CEST 2002 */
<< ">>";
else if ((cache.Compression==cache.CO_ZIP || cache.Compression==cache.CO_LZW) &&
cache.Predictor!=cache.PR_None)
out<< "<</BitsPerComponent " << (unsigned)cacheHints.PredictorBPC
<< "/Columns " << cacheHints.PredictorColumns
<< "/Colors " << (unsigned)cacheHints.PredictorColors
<< (cache.Predictor==cache.PR_TIFF2 ? "/Predictor 2>>": "/Predictor 10>>");
}
void Rule::OutputRule::appendTransferSpec(GenBuffer::Writable &out) const {
if (cache.TransferEncoding==cache.TE_Hex) out << "/ASCIIHexDecode filter";
else if (cache.TransferEncoding==cache.TE_A85) out << "/ASCII85Decode filter";
}
/* --- */
static Rule::Applier *first_rule=(Rule::Applier*)NULLP;
void Rule::register0(Rule::Applier *anew) {
param_assert(anew!=NULLP);
anew->next=first_rule;
first_rule=anew;
}
unsigned Rule::printAppliers(GenBuffer::Writable &out) {
unsigned num=0;
Applier *p=first_rule;
while (p!=(Applier*)NULLP) {
if (p->check_rule!=0/*NULLP*/ && p->work!=0/*NULLP*/) { num++; out << ' ' << p->format; }
p=p->next;
}
return num;
}
Rule::OutputRule* Rule::buildProfile(MiniPS::VALUE Profile, bool quiet) {
param_assert(MiniPS::getType(Profile)==MiniPS::T_ARRAY);
MiniPS::Array *pary=MiniPS::RARRAY(Profile);
OutputRule *ret=new OutputRule[pary->getLength()+1], *or_=ret;
/* ^^^ just enough place; there may be BAD items which won't be stored */
MiniPS::VALUE *val;
unsigned c;
#if !USE_BUILTIN_LZW
bool lzw_warning=true;
#endif
if (quiet) Error::pushPolicy((Error::level_t)0,
/*printed_:*/Error::getTopPrinted()+0>Error::WARNING+0 ? Error::getTopPrinted() : Error::WARNING,
Error::WARNING_DEFER, (GenBuffer::Writable*)NULLP); /* Dat: WARNING_DEFER untested */
for (c=0, pary->getFirst(val); val!=NULLP; pary->getNext(val), c++) {
/* val: each OutputRule of the Profile */
or_->fromDict(*val);
or_->c=c;
Applier *p=first_rule;
// printf("building: %s...\n", p->format);
#if !USE_BUILTIN_LZW
if (or_->cache.Compression==or_->cache.CO_LZW && lzw_warning) {
lzw_warning=false;
Error::sev(Error::WARNING) << "buildProfile: please `configure --enable-lzw' for /Compression/LZW support in OutputRule #" << c << (Error*)0;
}
#endif
while (p!=NULLP) {
if (p->check_rule!=0/*NULLP*/) switch (p->check_rule(or_)) {
case Applier::BAD:
Error::sev(Error::WARNING_DEFER) << "buildProfile: ^^^ thus ignoring impossible OutputRule #" << c << (Error*)0;
goto end_appliers;
case Applier::MAYBE: case Applier::OK:
if (p->work!=0/*NULLP*/) { or_++; goto end_appliers; }
Error::sev(Error::WARNING_DEFER) << "buildProfile: ^^^ ignoring unimplemented OutputRule #" << c << (Error*)0;
// case p->DONT_KNOW: ;
}
p=p->next; /* continue with other Appliers; hope other than DONT_KNOW */
}
Error::sev(Error::WARNING_DEFER) << "buildProfile: ignoring, no handlers for OutputRule #" << c << (Error*)0;
end_appliers:
if (quiet) delete Error::getRecorded();
}
if (quiet) { delete Error::getRecorded(); Error::popPolicy(); }
if (or_==ret) Error::sev(Error::WARNING) << "buildProfile: all OutputRules in the .job file are useless" << (Error*)0;
or_->dict=or_->dictHints=(MiniPS::Dict*)NULLP; /* end-of-list */
return ret;
}
void Rule::applyProfile(GenBuffer::Writable& out, OutputRule*rule_list, Image::SampledInfo *sf) {
OutputRule *or_;
// unsigned tryc=0; /* Wed Jul 3 19:30:33 CEST 2002 */
Error::pushPolicy((Error::level_t)0,
/*printed_:*/Error::getTopPrinted()+0>Error::NOTICE+0 ? Error::getTopPrinted() : Error::NOTICE,
Error::NOTICE_DEFER, (GenBuffer::Writable*)NULLP);
Image::Sampled::rgb_t Transparent=0x1000000UL;
if (rule_list->dict!=NULLP) {
Transparent=rule_list->cache.Transparent;
for (or_=rule_list+1; or_->dict!=NULLP; or_++) {
if (Transparent!=rule_list->cache.Transparent) {
/* Imp: make different copies, based on different or_->cache.Transparent -- or not? */
Error::sev(Error::EERROR) << "applyProfile: ambiguous /Transparent" << (Error*)0;
}
}
}
/* Dat: -transparent ... makes the specified color transparent, but it cannot
* be used to remove transparenct
*/
// printf("Transparent=0x%lx\n",Transparent);
for (or_=rule_list; or_->dict!=NULLP; or_++) {
/* ^^^ Try each OutputRule (or_) in reverse order of registration */
Error::sev(Error::NOTICE_DEFER) << "applyProfile: trying OutputRule #" << or_->c << (Error*)0;
if (sf->setSampleFormat(or_->cache.SampleFormat, or_->cache.WarningOK, /*TryOnly*/true, or_->cache.Transparent)) {
/* image supports the SampleFormat of OutputRule */
Applier *p=first_rule;
while (p!=NULLP) {
/* ^^^ Try each output Applier for the current candidate OutputRule */
if (p->check_rule!=0/*NULLP*/ && p->work!=0/*NULLP*/) {
// tryc++;
switch (p->work(out, or_, sf)) {
case Applier::BAD:
Error::sev(Error::WARNING) << "applyProfile: ^^^ thus cannot apply OutputRule #" << or_->c << (Error*)0;
goto end_appliers;
case Applier::OK:
// if (or_->c!=0) {
delete Error::getRecorded(); Error::popPolicy();
Error::sev(Error::NOTICE) << "applyProfile: applied OutputRule #" << or_->c << " using applier " << p->format << (Error*)0;
return;
/* case Applier::MAYBE: impossible */
// case p->DONT_KNOW: ;
}
}
p=p->next; /* continue with other Appliers; hope other than DONT_KNOW */
end_appliers: ;
}
} /* IF image supports SampleFormat */
}
Error::sev(Error::EERROR) << "applyProfile: invalid combination, no applicable OutputRule" << (Error*)0;
}
void Rule::deleteProfile(OutputRule*rule_list) {
/* MiniPS::* objects still remain -- the caller (reader) will delete them. */
delete [] rule_list;
}
/* --- */
//#include <string.h>
//static char xx[5000];
void Rule::writeData(GenBuffer::Writable&, GenBuffer::Writable&outstream, Image::SampledInfo *sf) {
Image::Indexed **imgs=sf->getImgs();
slen_t rlenht;
if (imgs!=NULLP) {
unsigned i;
if (sf->getNncols()!=0 && 0!=(rlenht=imgs[0]->getRlen()*imgs[0]->getHt())) {
// fprintf(stderr,"rh=%u nc=%u\n", rlenht, sf->getNncols());
for (i=0;i<sf->getNncols();i++) outstream.vi_write(imgs[i]->getRowbeg(), rlenht);
//for (i=0;i<sf->getNncols();i++) {
// memset(xx, 1<<(i), sizeof(xx));
// outstream.vi_write(xx, rlenht);
//}
}
} else {
Image::Sampled *img=sf->getImg();
rlenht=img->getRlen()*img->getHt();
if (rlenht!=0) outstream.vi_write(img->getRowbeg(), rlenht);
}
outstream.vi_write(0,0); /* Dat: frees cp, bp, (ap) */
}
void Rule::writePalData(GenBuffer::Writable& outpal, GenBuffer::Writable&outstream, Image::SampledInfo *sf) {
Image::Sampled *img=sf->getImg();
slen_t wlen=img->getRowbeg()-img->getHeadp();
if (wlen!=0) outpal.vi_write(img->getHeadp(), wlen);
writeData(outpal, outstream, sf);
/* vvv replaced by the more generic writeData */
// slen_t rlenht=img->getRlen()*img->getHt();
// if (rlenht!=0) outstream.vi_write(img->getRowbeg(), rlenht);
// outstream.vi_write(0,0); /* Dat: frees cp, bp, (ap) */
}
/** Returns a divisor of v1*v2 near 4096 */
static slen_t near_div(slen_t v1, slen_t v2) {
static const slen_t LOW=2048, MID=4096, HIGH=8192;
slen_t d, p;
if (v1>v2) { d=v1; v1=v2; v2=d; }
if (LOW<=v2 && v2<=HIGH) return v2; /* larger */
if (LOW<=v1 && v1<=HIGH) return v1; /* smaller */
if ((p=v1*v2)<=HIGH) return p; /* smaller */
for (d=MID;d<=HIGH;d++) if (p%d==0) return d;
for (d=MID-1;d>=LOW;d--) if (p%d==0) return d;
return v1; /* the smaller one */
}
/** Basicly out.format("%g", (double)n/255);, but we don't want to depend on
* floating point arithmetic of the underlying architecture.
*/
static void div255(GenBuffer::Writable& out, unsigned n) {
char tmp[7];
unsigned abc;
param_assert(n<=255);
tmp[0]='0'; tmp[1]='.'; tmp[3]='\0';
if (n%51!=0) {
/* Divisors of 255: 1, 3, 5, 15, 17, 51, 85, 255.
* 0/255 == "0" 51/255 == "0.2"
* 102/255 == "0.4" 153/255 == "0.6"
* 204/255 == "0.8" 255/255 == "1"
* All other k/255 are infinite as a decimal fraction.
* 1000 > 2*255, so 3 digits after '.' is enough.
*/
assert(n<=254);
#if 0
abc=(127L+1000*n)/255;
tmp[2]='0'+abc/100;
tmp[3]='0'+(abc/10)%10;
tmp[4]='0'+abc%10;
tmp[5]='\0';
#else
abc=(127L+10000*n)/255;
tmp[2]='0'+abc/1000;
tmp[3]='0'+(abc/100)%10;
tmp[4]='0'+(abc/10)%10;
tmp[5]='0'+abc%10;
tmp[6]='\0';
#endif
} else if (n<153) {
if (n<51) tmp[1]='\0';
else if (n>51) tmp[2]='4';
else tmp[2]='2';
}
else if (n<204) tmp[2]='6';
else if (n>204) { tmp[0]='1'; tmp[1]='\0'; }
else tmp[2]='8';
out << tmp;
}
void Rule::writeTTE(
GenBuffer::Writable& out,
GenBuffer::Writable&outpal,
GenBuffer::Writable&outstream,
char const*template_, Rule::OutputRule*or_, Image::SampledInfo *sf, stream_writer_t stream_writer, char const*const*strings) {
unsigned int i, j;
register char const*p;
char *r;
Image::Sampled *img=sf->getImg();
param_assert(template_!=(const char*)NULLP);
p=template_;
bool nzp, scp;
SimBuffer::B scf;
while (1) {
assert(template_==p);
while (*p!='`' && *p!='\0') p++; /* '`' is the escape character */
if (p!=template_) out.vi_write(template_, p-template_);
if (*p++=='\0') break;
switch (*p++) {
case '\0':
p--; /* fall through */
case '`':
out.vi_write("`", 1); break;
case '#': /* number of non-transparent colors of /Indexed*, /Transparent* */
out << sf->getNncols(); break;
case 'p': /* 3*(number of non-transparent colors of /Indexed*, /Transparent*) */
out << (3*sf->getNncols()); break;
case 'P': /* number of palette bytes (including the transparent color) */
out << img->getRowbeg()-img->getHeadp(); break;
case '0': case '1': case '2': /* arbitrary, user-defined string */
param_assert(strings!=(char const*const*)NULLP);
out << strings[p[-1]-'0']; break;
case 'C': /* PDF /Procset entries */
if (or_->cache.isIndexed()) out << "/ImageI";
else if (or_->cache.isGray()) out << "/ImageB";
else out << "/ImageC"; /* SF_Rgb*, SF_Asis etc. */
break;
case 'i': /* PS image or colorimage operator */
out << (or_->cache.isGray() ? "image"
: or_->cache.SampleFormat==Image::SF_Mask || or_->cache.SampleFormat==Image::SF_Indexed1 ? "imagemask"
: "false 3 colorimage");
break;
case 'I': /* PS warning for usage of colorimage operator */
// if (!or_->cache.isGray()) out << "% PSLC required\n";
if (!or_->cache.isGray() && !or_->cache.isTransparentM()) out << "%%Extensions: CMYK\n";
break;
#if 0
case "p:invalid": /* optional predictor specification */
{ unsigned char pred=or_->cache.Predictor;
if (pred== 2) out << "/Predictor 2"; /* TIFF predictor */
else if (pred>=10) out << "/Predictor 10"; /* any PNG predictor */
}
#endif
case 'w': /* image width, decimal */
out << img->getWd();
break;
case 'h': /* image height, decimal */
out << img->getHt();
break;
case '?': /* a divisor of rlen*height near 4096 */
if (sf->getImgs()!=NULLP) { /* /Transparent+ */
out << near_div(sf->getImgs()[0]->getRlen(), img->getHt());
/* Dat: `img->getHt()*sf->getNncols()' would be wrong */
} else {
out << near_div(img->getRlen(), img->getHt());
}
break;
case 'B': /* Clean7Bits or Binary; Sun Jun 23 18:55:35 CEST 2002 */
out << (or_->cache.isPDF() ? (or_->cache.isBinSB() ? "%\307\354\217\242\n" : "")
: (or_->cache.isBinSB() ? "Binary" : "Clean7Bit"));
break;
case 'b': /* image bpc, decimal */
/* added "true"|"false" for sam2p-0.39 at Sun Sep 22 17:49:25 CEST 2002 */
if (or_->cache.SampleFormat==Image::SF_Mask) out << "false";
else if (or_->cache.SampleFormat==Image::SF_Indexed1) out << "true";
else out << (unsigned)img->getBpc();
break;
case 'c': /* image cpp, decimal */
out << (unsigned)img->getCpp();
break;
case 'd': /* device-specific color-space name */
out << Image::Sampled::cs2devcs(img->getCs());
break;
case 't': /* closefile specification in PostScript */
if (or_->cache.Compression!=or_->cache.CO_None) out << " F closefile";
if (or_->cache.TransferEncoding!=or_->cache.TE_Binary) out << " T closefile";
break;
case 'T': /* TransferEncoding specification in PostScript */
or_->appendTransferSpec(out);
break;
case 'F': /* decoding filter specification in PostScript */
or_->appendDecoderSpec(out);
break;
case 'O': /* 0..1 /Decode values */
i=1;
emit_Decode:
j=img->getCpp();
out << "0 " << i;
while (j--!=1) out << " 0 " << i;
break;
case 'D': /* 0..max-1 /Decode values for indexed, 0..1 for others */
i=(or_->cache.isIndexed())?(1<<img->getBpc())-1:1;
goto emit_Decode;
case 'S': /* image data stream */
stream_writer(outpal, outstream, sf);
break;
case 'g': /* PDF 0..1 RGB triplet of the 0th palette color */
assert(img->getTy()==img->TY_INDEXED);
r=img->getHeadp();
goto appG;
case 'G': /* PDF 0..1 RGB triplet of the 1st palette color */
assert(img->getTy()==img->TY_INDEXED);
r=img->getHeadp()+3;
appG:
div255(out, (unsigned char)r[0]); out << ' ';
div255(out, (unsigned char)r[1]); out << ' ';
div255(out, (unsigned char)r[2]);
break;
case 'r': /* PS 0..1 RGB triplet of the 0th palette color */
assert(img->getTy()==img->TY_INDEXED);
r=img->getHeadp();
out << (unsigned)(unsigned char)r[0] << " 255 div "
<< (unsigned)(unsigned char)r[1] << " 255 div "
<< (unsigned)(unsigned char)r[2] << " 255 div";
break;
case 'R': /* PS code for setting up bg and fg colors for an imagemask */
/* formerly: PS 0..1 RGB triplet of the 1st palette color */
/* changed at Sun Sep 22 18:02:41 CEST 2002 */
if (or_->cache.SampleFormat==Image::SF_Mask || or_->cache.SampleFormat==Image::SF_Indexed1) {
assert(img->getTy()==img->TY_INDEXED);
r=img->getHeadp();
out << (unsigned)(unsigned char)r[0] << " 255 div " /* 0th palette color */
<< (unsigned)(unsigned char)r[1] << " 255 div "
<< (unsigned)(unsigned char)r[2] << " 255 div setrgbcolor\n";
if (or_->cache.SampleFormat==Image::SF_Indexed1) {
out << "0 0 moveto\n"
<< img->getWd() << " 0 lineto\n0 "
<< img->getHt() << " rlineto\n-"
<< img->getWd() << " 0 rlineto\nclosepath fill\n"
<< (unsigned)(unsigned char)r[3] << " 255 div " /* 1st palette color */
<< (unsigned)(unsigned char)r[4] << " 255 div "
<< (unsigned)(unsigned char)r[5] << " 255 div\nsetrgbcolor\n";
}
}
break;
case 'E': /* EPS header for unscaled PS files */
if (or_->cacheHints.Scale==or_->cacheHints.SC_None) out << " EPSF-3.0";
break;
case 'X': /* BoundingBox for EPS, MediaBox for PDF */
if (or_->cache.isPDF()) {
// out << "0 0 ";
out << "0 ";
goto do_bbox;
} else if (or_->cacheHints.Scale==or_->cacheHints.SC_None) {
/* It is no point to start the BoundingBox of EPS files at
* (LeftMargin,BottomMargin). The effect would be the same as
* specifying no margins at all. Our choice is better: the
* BoundingBox contains the image and the margins too.
*/
// out << "%%BoundingBox: 0 0 ";
out << "%%BoundingBox: 0 ";
do_bbox:
// out << MiniPS::RVALUE(or_->cacheHints.LowerMargin) << ';'; /* SUXX: this would put `1 72 mul' */
// out << MiniPS::RVALUE(or_->cacheHints.BottomMargin) << ';'; /* SUXX: this would put `1 72 mul' */
MiniPS::dumpAdd3(out, MiniPS::Qinteger(0), MiniPS::Qinteger(0), MiniPS::Qinteger(0), or_->cacheHints.LowerMargin, or_->cacheHints.BottomMargin, 1);
out << ' ';
MiniPS::dumpAdd3(out, or_->cacheHints.ImageDPI, MiniPS::Qinteger(img->getWd()),
or_->cacheHints.LeftMargin, or_->cacheHints.RightMargin, MiniPS::Qinteger(0), 2);
out << ' ';
MiniPS::dumpAdd3(out, or_->cacheHints.ImageDPI, MiniPS::Qinteger(img->getHt()),
or_->cacheHints.TopMargin, or_->cacheHints.LowerMargin, MiniPS::Qinteger(0), 2);
if (!or_->cache.isPDF()) out << '\n';
}
break;
case 's': /* scaling to a full PostScript page or translation for PDF and EPS */
nzp=!(MiniPS::isZero(or_->cacheHints.LowerMargin)
&& MiniPS::isZero(or_->cacheHints.TopMargin));
scp=!MiniPS::isEq(or_->cacheHints.ImageDPI, 72) &&
!MiniPS::isEq(or_->cacheHints.ImageDPI, -72);
if (or_->cache.isPDF()) {
SimBuffer::B scf;
if (scp) MiniPS::dumpScale(scf, or_->cacheHints.ImageDPI);
else scf << 'x';
if (nzp || scp) out << " " << scf << " 0 0 " << scf << " " << MiniPS::RVALUE(or_->cacheHints.LeftMargin)
<< ' ' << MiniPS::RVALUE(or_->cacheHints.LowerMargin)
<< " cm"; /* translate */
} else switch (or_->cacheHints.Scale) {
case Rule::CacheHints::SC_None:
if (nzp) out << '\n' << MiniPS::RVALUE(or_->cacheHints.LeftMargin)
<< ' ' << MiniPS::RVALUE(or_->cacheHints.LowerMargin)
<< " translate";
if (scp) {
MiniPS::dumpScale(scf, or_->cacheHints.ImageDPI);
out << '\n' << scf << " dup scale";
}
break;
case Rule::CacheHints::SC_OK:
/* from pshack/big.ps */
out <<"\n6 dict begin currentpagedevice/PageSize get dup 0 get\n " << MiniPS::RVALUE(or_->cacheHints.LeftMargin) << " sub " << MiniPS::RVALUE(or_->cacheHints.RightMargin) << " sub/w exch\n"
" def 1 get " << MiniPS::RVALUE(or_->cacheHints.TopMargin) << " sub " << MiniPS::RVALUE(or_->cacheHints.BottomMargin) << " sub/h exch\n"
" def/x " << img->getWd() << " def/y " << img->getHt() << " def " << MiniPS::RVALUE(or_->cacheHints.LeftMargin) << ' ' << MiniPS::RVALUE(or_->cacheHints.BottomMargin) << " translate x h\n"
" mul y w mul gt{w x 0 h y w mul x div sub 2 div}{h y w x h mul y div sub 2 div\n"
" 0}ifelse translate div dup scale\nend";