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OS/2 Shareware BBS: 5 Edit
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05-Edit.zip
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anwor032.zip
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antiword.0.32
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postscript.c
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C/C++ Source or Header
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2001-09-24
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946 lines
/*
* postscript.c
* Copyright (C) 1999-2001 A.J. van Os; Released under GPL
*
* Description:
* Functions to deal with the PostScript format
*
*================================================================
* The function vImagePrologue is based on:
* jpeg2ps - convert JPEG compressed images to PostScript Level 2
* Copyright (C) 1994-99 Thomas Merz (tm@muc.de)
*================================================================
* The credit should go to him, but all the bugs are mine.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include "version.h"
#include "antiword.h"
/* The output must be in PostScript */
static BOOL bUsePostScript = FALSE;
/* The character set */
static encoding_type eEncoding = encoding_neutral;
/* The image level */
static image_level_enum eImageLevel = level_default;
/* The output must use landscape orientation */
static BOOL bUseLandscape = FALSE;
/* The height of a PostScript page (in DrawUnits) */
static long lPageHeight = LONG_MAX;
/* Current time for a PS header */
static const char *szCreationDate = NULL;
/* Current creator for a PS header */
static const char *szCreator = NULL;
/* Current font information */
static draw_fontref tFontRefCurr = (draw_fontref)-1;
static int iFontsizeCurr = -1;
static int iColorCurr = -1;
/* Current vertical position information */
static long lYtopCurr = -1;
/* PostScript page counter */
static int iPageCount = 0;
/* Image counter */
static int iImageCount = 0;
static char iso_8859_1_data[] = { "\
/newcodes % ISO-8859-1 character encodings\n\
[\n\
160/space 161/exclamdown 162/cent 163/sterling 164/currency\n\
165/yen 166/brokenbar 167/section 168/dieresis 169/copyright\n\
170/ordfeminine 171/guillemotleft 172/logicalnot 173/hyphen 174/registered\n\
175/macron 176/degree 177/plusminus 178/twosuperior 179/threesuperior\n\
180/acute 181/mu 182/paragraph 183/periodcentered 184/cedilla\n\
185/onesuperior 186/ordmasculine 187/guillemotright 188/onequarter\n\
189/onehalf 190/threequarters 191/questiondown 192/Agrave 193/Aacute\n\
194/Acircumflex 195/Atilde 196/Adieresis 197/Aring 198/AE 199/Ccedilla\n\
200/Egrave 201/Eacute 202/Ecircumflex 203/Edieresis 204/Igrave 205/Iacute\n\
206/Icircumflex 207/Idieresis 208/Eth 209/Ntilde 210/Ograve 211/Oacute\n\
212/Ocircumflex 213/Otilde 214/Odieresis 215/multiply 216/Oslash\n\
217/Ugrave 218/Uacute 219/Ucircumflex 220/Udieresis 221/Yacute 222/Thorn\n\
223/germandbls 224/agrave 225/aacute 226/acircumflex 227/atilde\n\
228/adieresis 229/aring 230/ae 231/ccedilla 232/egrave 233/eacute\n\
234/ecircumflex 235/edieresis 236/igrave 237/iacute 238/icircumflex\n\
239/idieresis 240/eth 241/ntilde 242/ograve 243/oacute 244/ocircumflex\n\
245/otilde 246/odieresis 247/divide 248/oslash 249/ugrave 250/uacute\n\
251/ucircumflex 252/udieresis 253/yacute 254/thorn 255/ydieresis\n\
] bind def\n\
\n\
/reencdict 12 dict def\n\
\n\
" };
static char iso_8859_2_data[] = { "\
/newcodes % ISO-8859-2 character encodings\n\
[\n\
160/space 161/Aogonek 162/breve 163/Lslash 164/currency 165/Lcaron\n\
166/Sacute 167/section 168/dieresis 169/Scaron 170/Scommaaccent\n\
171/Tcaron 172/Zacute 173/hyphen 174/Zcaron 175/Zdotaccent 176/degree\n\
177/aogonek 178/ogonek 179/lslash 180/acute 181/lcaron 182/sacute\n\
183/caron 184/cedilla 185/scaron 186/scommaaccent 187/tcaron\n\
188/zacute 189/hungarumlaut 190/zcaron 191/zdotaccent 192/Racute\n\
193/Aacute 194/Acircumflex 195/Abreve 196/Adieresis 197/Lacute\n\
198/Cacute 199/Ccedilla 200/Ccaron 201/Eacute 202/Eogonek\n\
203/Edieresis 204/Ecaron 205/Iacute 206/Icircumflex 207/Dcaron\n\
208/Dcroat 209/Nacute 210/Ncaron 211/Oacute 212/Ocircumflex\n\
213/Ohungarumlaut 214/Odieresis 215/multiply 216/Rcaron 217/Uring\n\
218/Uacute 219/Uhungarumlaut 220/Udieresis 221/Yacute 222/Tcommaaccent\n\
223/germandbls 224/racute 225/aacute 226/acircumflex 227/abreve\n\
228/adieresis 229/lacute 230/cacute 231/ccedilla 232/ccaron 233/eacute\n\
234/eogonek 235/edieresis 236/ecaron 237/iacute 238/icircumflex\n\
239/dcaron 240/dcroat 241/nacute 242/ncaron 243/oacute 244/ocircumflex\n\
245/ohungarumlaut 246/odieresis 247/divide 248/rcaron 249/uring\n\
250/uacute 251/uhungarumlaut 252/udieresis 253/yacute 254/tcommaaccent\n\
255/dotaccent\n\
] bind def\n\
\n\
/reencdict 12 dict def\n\
\n\
" };
static char iso_8859_x_func[] = { "\
% change fonts using ISO-8859-x characters\n\
/ChgFnt % size psname natname => font\n\
{\n\
dup FontDirectory exch known % is re-encoded name known?\n\
{ exch pop } % yes, get rid of long name\n\
{ dup 3 1 roll ReEncode } ifelse % no, re-encode it\n\
findfont exch scalefont setfont\n\
} bind def\n\
\n\
/ReEncode\n\
{\n\
reencdict begin\n\
/newname exch def\n\
/basename exch def\n\
/basedict basename findfont def\n\
/newfont basedict maxlength dict def\n\
basedict\n\
{ exch dup /FID ne\n\
{ dup /Encoding eq\n\
{ exch dup length array copy newfont 3 1 roll put }\n\
{ exch newfont 3 1 roll put } ifelse\n\
}\n\
{ pop pop } ifelse\n\
} forall\n\
newfont /FontName newname put\n\
newcodes aload pop newcodes length 2 idiv\n\
{ newfont /Encoding get 3 1 roll put } repeat\n\
newname newfont definefont pop\n\
end\n\
} bind def\n\
\n\
" };
static char misc_func[] = { "\
% draw a line and show the string\n\
/LineShow % string linewidth movement\n\
{\n\
gsave\n\
0 exch rmoveto\n\
setlinewidth\n\
dup\n\
stringwidth pop\n\
0 rlineto stroke\n\
grestore\n\
show\n\
} bind def\n\
\n\
% begin an EPS file (level 2 and up)\n\
/BeginEPSF\n\
{\n\
/b4_Inc_state save def\n\
/dict_count countdictstack def\n\
/op_count count 1 sub def\n\
userdict begin\n\
/showpage { } def\n\
0 setgray 0 setlinecap\n\
1 setlinewidth 0 setlinejoin\n\
10 setmiterlimit [ ] 0 setdash newpath\n\
false setstrokeadjust false setoverprint\n\
} bind def\n\
\n\
% end an EPS file\n\
/EndEPSF {\n\
count op_count sub { pop } repeat\n\
countdictstack dict_count sub { end } repeat\n\
b4_Inc_state restore\n\
} bind def\n\
\n\
" };
/*
* vAddPageSetup - add the page setup
*/
static void
vAddPageSetup(FILE *pOutFile)
{
if (bUseLandscape) {
fprintf(pOutFile, "%%%%BeginPageSetup\n");
fprintf(pOutFile, "90 rotate\n");
fprintf(pOutFile, "0.00 %.2f translate\n",
-dDrawUnits2Points(lPageHeight));
fprintf(pOutFile, "%%%%EndPageSetup\n");
}
} /* end of vAddPageSetup */
/*
* vMove2NextPage - move to the start of the next page
*/
static void
vMove2NextPage(diagram_type *pDiag)
{
fail(pDiag == NULL);
fail(!bUsePostScript);
fprintf(pDiag->pOutFile, "showpage\n");
iPageCount++;
fprintf(pDiag->pOutFile, "%%%%Page: %d %d\n", iPageCount, iPageCount);
vAddPageSetup(pDiag->pOutFile);
pDiag->lYtop = lPageHeight - PS_TOP_MARGIN;
lYtopCurr = -1;
} /* end of vMove2NextPage */
/*
* vMoveToPS - move to the given X,Y coordinates (Postscript)
*
* Move the current position of the given diagram to its X,Y coordinates,
* start on a new page if needed
*/
static void
vMoveToPS(diagram_type *pDiag, long lLastVerticalMovement)
{
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
if (pDiag->lYtop < PS_BOTTOM_MARGIN) {
vMove2NextPage(pDiag);
/* Repeat the last vertical movement on the new page */
pDiag->lYtop -= lLastVerticalMovement;
}
fail(pDiag->lYtop < PS_BOTTOM_MARGIN);
if (pDiag->lYtop != lYtopCurr) {
fprintf(pDiag->pOutFile, "%.2f %.2f moveto\n",
dDrawUnits2Points(pDiag->lXleft + PS_LEFT_MARGIN),
dDrawUnits2Points(pDiag->lYtop));
lYtopCurr = pDiag->lYtop;
}
} /* end of vMoveToPS */
/*
* vPrologue - perform the PostScript initialization
*/
static void
vPrologue(FILE *pOutFile, const char *szTask, const char *szFilename)
{
options_type tOptions;
const char *szTmp;
time_t tTime;
fail(pOutFile == NULL);
fail(szTask == NULL || szTask[0] == '\0');
vGetOptions(&tOptions);
lPageHeight = lPoints2DrawUnits(tOptions.iPageHeight);
DBG_DEC(lPageHeight);
bUsePostScript = tOptions.bUseOutlineFonts;
bUseLandscape = tOptions.bUseLandscape;
eEncoding = tOptions.eEncoding;
eImageLevel = tOptions.eImageLevel;
tFontRefCurr = (draw_fontref)-1;
iFontsizeCurr = -1;
iColorCurr = -1;
lYtopCurr = -1;
iImageCount = 0;
if (!bUsePostScript) {
return;
}
szCreator = szTask;
fprintf(pOutFile, "%%!PS-Adobe-2.0\n");
fprintf(pOutFile, "%%%%Title: %s\n", szBasename(szFilename));
fprintf(pOutFile, "%%%%Creator: %s %s\n", szCreator, VERSIONSTRING);
szTmp = getenv("LOGNAME");
if (szTmp == NULL || szTmp[0] == '\0') {
szTmp = getenv("USER");
if (szTmp == NULL || szTmp[0] == '\0') {
szTmp = "unknown";
}
}
fprintf(pOutFile, "%%%%For: %s\n", szTmp);
errno = 0;
tTime = time(NULL);
if (tTime == (time_t)-1 && errno != 0) {
szCreationDate = NULL;
} else {
szCreationDate = ctime(&tTime);
}
if (szCreationDate == NULL || szCreationDate[0] == '\0') {
szCreationDate = "unknown\n";
}
fprintf(pOutFile, "%%%%CreationDate: %s", szCreationDate);
if (bUseLandscape) {
fprintf(pOutFile, "%%%%Orientation: Landscape\n");
fprintf(pOutFile, "%%%%BoundingBox: 0 0 %d %d\n",
tOptions.iPageHeight, tOptions.iPageWidth);
} else {
fprintf(pOutFile, "%%%%Orientation: Portrait\n");
fprintf(pOutFile, "%%%%BoundingBox: 0 0 %d %d\n",
tOptions.iPageWidth, tOptions.iPageHeight);
}
} /* end of vPrologue */
/*
* vEpilogue - clean up after everything is done
*/
static void
vEpilogue(FILE *pFile)
{
if (!bUsePostScript) {
fprintf(pFile, "\n");
return;
}
fprintf(pFile, "%%%%Trailer\n");
fprintf(pFile, "%%%%Pages: %d\n", iPageCount);
fprintf(pFile, "%%%%EOF\n");
szCreationDate = NULL;
szCreator = NULL;
} /* end of vEpilogue */
/*
* vPrintPalette - print a postscript palette
*/
static void
vPrintPalette(FILE *pOutFile, const imagedata_type *pImg)
{
int iIndex;
fail(pOutFile == NULL);
fail(pImg == NULL);
fail(pImg->iColorsUsed < 2);
fail(pImg->iColorsUsed > 256);
fprintf(pOutFile, "[ /Indexed\n");
fprintf(pOutFile, "\t/Device%s %d\n",
pImg->bColorImage ? "RGB" : "Gray", pImg->iColorsUsed - 1);
fprintf(pOutFile, "<");
for (iIndex = 0; iIndex < pImg->iColorsUsed; iIndex++) {
fprintf(pOutFile, "%02x", pImg->aucPalette[iIndex][0]);
if (pImg->bColorImage) {
fprintf(pOutFile, "%02x%02x",
pImg->aucPalette[iIndex][1],
pImg->aucPalette[iIndex][2]);
}
if (iIndex % 8 == 7) {
fprintf(pOutFile, "\n");
} else {
fprintf(pOutFile, " ");
}
}
fprintf(pOutFile, ">\n");
fprintf(pOutFile, "] setcolorspace\n");
} /* end of vPrintPalette */
/*
* vImagePrologue - perform the Encapsulated PostScript initialization
*/
void
vImagePrologue(diagram_type *pDiag, const imagedata_type *pImg)
{
FILE *pOutFile;
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(pImg == NULL);
if (!bUsePostScript) {
return;
}
if (pImg->iVerSizeScaled <= 0 || pImg->iHorSizeScaled <= 0) {
return;
}
fail(szCreationDate == NULL);
fail(szCreator == NULL);
fail(eImageLevel == level_no_images);
iImageCount++;
DBG_DEC_C(pDiag->lXleft != 0, pDiag->lXleft);
pDiag->lYtop -= lPoints2DrawUnits(pImg->iVerSizeScaled);
vMoveToPS(pDiag, lPoints2DrawUnits(pImg->iVerSizeScaled));
pOutFile = pDiag->pOutFile;
fprintf(pOutFile, "BeginEPSF\n");
fprintf(pOutFile, "%%%%BeginDocument: image%03d.eps\n", iImageCount);
fprintf(pOutFile, "%%!PS-Adobe-2.0 EPSF-2.0\n");
fprintf(pOutFile, "%%%%Creator: %s %s\n", szCreator, VERSIONSTRING);
fprintf(pOutFile, "%%%%Title: Image %03d\n", iImageCount);
fprintf(pOutFile, "%%%%CreationDate: %s", szCreationDate);
fprintf(pOutFile, "%%%%BoundingBox: 0 0 %d %d\n",
pImg->iHorSizeScaled, pImg->iVerSizeScaled);
fprintf(pOutFile, "%%%%DocumentData: Clean7Bit\n");
fprintf(pOutFile, "%%%%LanguageLevel: 2\n");
fprintf(pOutFile, "%%%%EndComments\n");
fprintf(pOutFile, "%%%%BeginProlog\n");
fprintf(pOutFile, "%%%%EndProlog\n");
fprintf(pOutFile, "%%%%Page: 1 1\n");
fprintf(pOutFile, "save\n");
switch (pImg->eImageType) {
case imagetype_is_jpeg:
fprintf(pOutFile, "/Data1 currentfile ");
fprintf(pOutFile, "/ASCII85Decode filter def\n");
fprintf(pOutFile, "/Data Data1 << ");
fprintf(pOutFile, ">> /DCTDecode filter def\n");
switch (pImg->iComponents) {
case 1:
fprintf(pOutFile, "/DeviceGray setcolorspace\n");
break;
case 3:
fprintf(pOutFile, "/DeviceRGB setcolorspace\n");
break;
case 4:
fprintf(pOutFile, "/DeviceCMYK setcolorspace\n");
break;
default:
DBG_DEC(pImg->iComponents);
break;
}
break;
case imagetype_is_png:
if (eImageLevel == level_gs_special) {
fprintf(pOutFile,
"/Data2 currentfile /ASCII85Decode filter def\n");
fprintf(pOutFile,
"/Data1 Data2 << >> /FlateDecode filter def\n");
fprintf(pOutFile, "/Data Data1 <<\n");
fprintf(pOutFile, "\t/Colors %d\n", pImg->iComponents);
fprintf(pOutFile, "\t/BitsPerComponent %d\n",
pImg->iBitsPerComponent);
fprintf(pOutFile, "\t/Columns %d\n", pImg->iWidth);
fprintf(pOutFile,
">> /PNGPredictorDecode filter def\n");
} else {
fprintf(pOutFile,
"/Data1 currentfile /ASCII85Decode filter def\n");
fprintf(pOutFile,
"/Data Data1 << >> /FlateDecode filter def\n");
}
if (pImg->iComponents == 3) {
fprintf(pOutFile, "/DeviceRGB setcolorspace\n");
} else if (pImg->iColorsUsed > 0) {
vPrintPalette(pOutFile, pImg);
} else {
fprintf(pOutFile, "/DeviceGray setcolorspace\n");
}
break;
case imagetype_is_dib:
fprintf(pOutFile, "/Data currentfile ");
fprintf(pOutFile, "/ASCII85Decode filter def\n");
if (pImg->iBitsPerComponent <= 8) {
vPrintPalette(pOutFile, pImg);
} else {
fprintf(pOutFile, "/DeviceRGB setcolorspace\n");
}
break;
default:
fprintf(pOutFile, "/Data currentfile ");
fprintf(pOutFile, "/ASCIIHexDecode filter def\n");
fprintf(pOutFile, "/Device%s setcolorspace\n",
pImg->bColorImage ? "RGB" : "Gray");
break;
}
/* Translate to lower left corner of image */
fprintf(pOutFile, "%.2f %.2f translate\n",
dDrawUnits2Points(pDiag->lXleft + PS_LEFT_MARGIN),
dDrawUnits2Points(pDiag->lYtop));
fprintf(pOutFile, "%d %d scale\n",
pImg->iHorSizeScaled, pImg->iVerSizeScaled);
fprintf(pOutFile, "{ <<\n");
fprintf(pOutFile, "\t/ImageType 1\n");
fprintf(pOutFile, "\t/Width %d\n", pImg->iWidth);
fprintf(pOutFile, "\t/Height %d\n", pImg->iHeight);
if (pImg->eImageType == imagetype_is_dib) {
/* Scanning from left to right and bottom to top */
fprintf(pOutFile, "\t/ImageMatrix [ %d 0 0 %d 0 0 ]\n",
pImg->iWidth, pImg->iHeight);
} else {
/* Scanning from left to right and top to bottom */
fprintf(pOutFile, "\t/ImageMatrix [ %d 0 0 %d 0 %d ]\n",
pImg->iWidth, -pImg->iHeight, pImg->iHeight);
}
fprintf(pOutFile, "\t/DataSource Data\n");
switch (pImg->eImageType) {
case imagetype_is_jpeg:
fprintf(pOutFile, "\t/BitsPerComponent 8\n");
switch (pImg->iComponents) {
case 1:
fprintf(pOutFile, "\t/Decode [0 1]\n");
break;
case 3:
fprintf(pOutFile, "\t/Decode [0 1 0 1 0 1]\n");
break;
case 4:
if (pImg->bAdobe) {
/*
* Adobe-conforming CMYK file
* applying workaround for color inversion
*/
fprintf(pOutFile,
"\t/Decode [1 0 1 0 1 0 1 0]\n");
} else {
fprintf(pOutFile,
"\t/Decode [0 1 0 1 0 1 0 1]\n");
}
break;
default:
DBG_DEC(pImg->iComponents);
break;
}
break;
case imagetype_is_png:
if (pImg->iComponents == 3) {
fprintf(pOutFile, "\t/BitsPerComponent 8\n");
fprintf(pOutFile, "\t/Decode [0 1 0 1 0 1]\n");
} else if (pImg->iColorsUsed > 0) {
fail(pImg->iBitsPerComponent > 8);
fprintf(pOutFile, "\t/BitsPerComponent %d\n",
pImg->iBitsPerComponent);
fprintf(pOutFile, "\t/Decode [0 %d]\n",
(1 << pImg->iBitsPerComponent) - 1);
} else {
fprintf(pOutFile, "\t/BitsPerComponent 8\n");
fprintf(pOutFile, "\t/Decode [0 1]\n");
}
break;
case imagetype_is_dib:
fprintf(pOutFile, "\t/BitsPerComponent 8\n");
if (pImg->iBitsPerComponent <= 8) {
fprintf(pOutFile, "\t/Decode [0 255]\n");
} else {
fprintf(pOutFile, "\t/Decode [0 1 0 1 0 1]\n");
}
break;
default:
fprintf(pOutFile, "\t/BitsPerComponent 8\n");
if (pImg->bColorImage) {
fprintf(pOutFile, "\t/Decode [0 1 0 1 0 1]\n");
} else {
fprintf(pOutFile, "\t/Decode [0 1]\n");
}
break;
}
fprintf(pOutFile, " >> image\n");
fprintf(pOutFile, " Data closefile\n");
fprintf(pOutFile, " showpage\n");
fprintf(pOutFile, " restore\n");
fprintf(pOutFile, "} exec\n");
} /* end of vImagePrologue */
/*
* vImageEpilogue - clean up after Encapsulated PostScript
*/
void
vImageEpilogue(diagram_type *pDiag)
{
FILE *pOutFile;
if (!bUsePostScript) {
return;
}
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
pOutFile = pDiag->pOutFile;
fprintf(pOutFile, "%%%%EOF\n");
fprintf(pOutFile, "%%%%EndDocument\n");
fprintf(pOutFile, "EndEPSF\n");
pDiag->lXleft = 0;
} /* end of vImageEpilogue */
/*
* bAddDummyImage - add a dummy image
*
* return TRUE when successful, otherwise FALSE
*/
BOOL
bAddDummyImage(diagram_type *pDiag, const imagedata_type *pImg)
{
FILE *pOutFile;
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(pImg == NULL);
if (!bUsePostScript) {
return FALSE;
}
if (pImg->iVerSizeScaled <= 0 || pImg->iHorSizeScaled <= 0) {
return FALSE;
}
iImageCount++;
DBG_DEC_C(pDiag->lXleft != 0, pDiag->lXleft);
pDiag->lYtop -= lPoints2DrawUnits(pImg->iVerSizeScaled);
vMoveToPS(pDiag, lPoints2DrawUnits(pImg->iVerSizeScaled));
pOutFile = pDiag->pOutFile;
fprintf(pOutFile, "gsave %% Image %03d\n", iImageCount);
fprintf(pOutFile, "\tnewpath\n");
fprintf(pOutFile, "\t%.2f %.2f moveto\n",
dDrawUnits2Points(pDiag->lXleft + PS_LEFT_MARGIN),
dDrawUnits2Points(pDiag->lYtop));
fprintf(pOutFile, "\t1.0 setlinewidth\n");
fprintf(pOutFile, "\t0.3 setgray\n");
fprintf(pOutFile, "\t0 %d rlineto\n", pImg->iVerSizeScaled);
fprintf(pOutFile, "\t%d 0 rlineto\n", pImg->iHorSizeScaled);
fprintf(pOutFile, "\t0 %d rlineto\n", -pImg->iVerSizeScaled);
fprintf(pOutFile, "\tclosepath\n");
fprintf(pOutFile, "\tstroke\n");
fprintf(pOutFile, "grestore\n");
pDiag->lXleft = 0;
return TRUE;
} /* end of bAddDummyImage */
/*
* pCreateDiagram - create and initialize a diagram
*
* remark: does not return if the diagram can't be created
*/
diagram_type *
pCreateDiagram(const char *szTask, const char *szFilename)
{
diagram_type *pDiag;
fail(szTask == NULL || szTask[0] == '\0');
DBG_MSG("pCreateDiagram");
/* Get the necessary memory */
pDiag = xmalloc(sizeof(diagram_type));
/* Initialization */
pDiag->pOutFile = stdout;
vPrologue(pDiag->pOutFile, szTask, szFilename);
iPageCount = 0;
pDiag->lXleft = 0;
if (bUsePostScript) {
pDiag->lYtop = lPageHeight - PS_TOP_MARGIN;
} else {
pDiag->lYtop = 0;
}
/* Return success */
return pDiag;
} /* end of pCreateDiagram */
/*
* vDestroyDiagram - remove a diagram by freeing the memory it uses
*/
void
vDestroyDiagram(diagram_type *pDiag)
{
DBG_MSG("vDestroyDiagram");
fail(pDiag == NULL);
if (pDiag == NULL) {
return;
}
if (bUsePostScript && pDiag->lYtop < lPageHeight - PS_TOP_MARGIN) {
fprintf(pDiag->pOutFile, "showpage\n");
}
vEpilogue(pDiag->pOutFile);
pDiag = xfree(pDiag);
} /* end of vDestroyDiagram */
/*
* vAddFonts2Diagram - add the list of fonts and complete the prologue
*/
void
vAddFonts2Diagram(diagram_type *pDiag)
{
FILE *pOutFile;
const font_table_type *pTmp, *pTmp2;
int iLineLen;
BOOL bFound;
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
if (!bUsePostScript) {
return;
}
pOutFile = pDiag->pOutFile;
iLineLen = fprintf(pOutFile, "%%%%DocumentFonts:");
if (tGetFontTableLength() == 0) {
iLineLen += fprintf(pOutFile, " Courier");
} else {
pTmp = NULL;
while ((pTmp = pGetNextFontTableRecord(pTmp)) != NULL) {
/* Print the document fonts */
bFound = FALSE;
pTmp2 = NULL;
while ((pTmp2 = pGetNextFontTableRecord(pTmp2))
!= NULL && pTmp2 < pTmp) {
bFound = STREQ(pTmp2->szOurFontname,
pTmp->szOurFontname);
if (bFound) {
break;
}
}
if (bFound) {
continue;
}
if (iLineLen + (int)strlen(pTmp->szOurFontname) > 78) {
fprintf(pOutFile, "\n%%%%+");
iLineLen = 3;
}
iLineLen += fprintf(pOutFile,
" %s", pTmp->szOurFontname);
}
}
fprintf(pOutFile, "\n");
fprintf(pOutFile, "%%%%Pages: (atend)\n");
fprintf(pOutFile, "%%%%EndComments\n");
fprintf(pOutFile, "%%%%BeginProlog\n");
switch (eEncoding) {
case encoding_iso_8859_1:
fprintf(pOutFile, "%s\n%s", iso_8859_1_data, iso_8859_x_func);
break;
case encoding_iso_8859_2:
fprintf(pOutFile, "%s\n%s", iso_8859_2_data, iso_8859_x_func);
break;
default:
DBG_DEC(eEncoding);
break;
}
/* The rest of the functions */
fprintf(pOutFile, "%s", misc_func);
fprintf(pOutFile, "%%%%EndProlog\n");
iPageCount = 1;
fprintf(pDiag->pOutFile, "%%%%Page: %d %d\n", iPageCount, iPageCount);
vAddPageSetup(pDiag->pOutFile);
} /* end of vAddFonts2Diagram */
/*
* vPrintPS - print a PostScript string
*/
static void
vPrintPS(FILE *pFile, const char *szString, int iStringLength,
unsigned char ucFontstyle)
{
int iCount;
const unsigned char *ucBytes;
fail(szString == NULL || iStringLength < 0);
if (szString == NULL || szString[0] == '\0' || iStringLength <= 0) {
return;
}
ucBytes = (unsigned char *)szString;
(void)putc('(', pFile);
for (iCount = 0; iCount < iStringLength ; iCount++) {
switch (ucBytes[iCount]) {
case '(':
case ')':
case '\\':
(void)putc('\\', pFile);
(void)putc(szString[iCount], pFile);
break;
default:
if (ucBytes[iCount] < 0x20 ||
(ucBytes[iCount] >= 0x7f &&
ucBytes[iCount] < 0xa0)) {
DBG_HEX(ucBytes[iCount]);
(void)putc(' ', pFile);
} else if (ucBytes[iCount] >= 0x80) {
fprintf(pFile, "\\%03o", ucBytes[iCount]);
} else {
(void)putc(szString[iCount], pFile);
}
break;
}
}
fprintf(pFile, ") ");
if (bIsStrike(ucFontstyle) && iFontsizeCurr > 0) {
fprintf(pFile, "%.2f %.2f LineShow\n",
iFontsizeCurr * 0.02, iFontsizeCurr * 0.12);
} else if (bIsUnderline(ucFontstyle) && iFontsizeCurr > 0) {
fprintf(pFile, "%.2f %.2f LineShow\n",
iFontsizeCurr * 0.02, iFontsizeCurr * -0.06);
} else {
fprintf(pFile, "show\n");
}
} /* end of vPrintPS */
/*
* vSetColor - move to the given color
*/
static void
vSetColor(FILE *pFile, int iColor)
{
unsigned int uiTmp, uiRed, uiGreen, uiBlue;
uiTmp = uiColor2Color(iColor);
uiRed = (uiTmp & 0x0000ff00) >> 8;
uiGreen = (uiTmp & 0x00ff0000) >> 16;
uiBlue = (uiTmp & 0xff000000) >> 24;
fprintf(pFile, "%.3f %.3f %.3f setrgbcolor\n",
uiRed / 255.0, uiGreen / 255.0, uiBlue / 255.0);
} /* end of vSetColor */
/*
* vMoveToASCII - move to the given X,Y coordinates (ASCII)
*
* Move the current position of the given diagram to its X,Y coordinates,
* start on a new page if needed
*/
static void
vMoveToASCII(diagram_type *pDiag)
{
int iCount, iNbr;
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
if (pDiag->lYtop != lYtopCurr) {
iNbr = iDrawUnits2Char(pDiag->lXleft);
for (iCount = 0; iCount < iNbr; iCount++) {
fprintf(pDiag->pOutFile, "%c", FILLER_CHAR);
}
lYtopCurr = pDiag->lYtop;
}
} /* end of vMoveToASCII */
/*
* vMove2NextLine - move to the next line
*/
void
vMove2NextLine(diagram_type *pDiag, draw_fontref tFontRef, int iFontsize)
{
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(iFontsize < MIN_FONT_SIZE || iFontsize > MAX_FONT_SIZE);
pDiag->lYtop -= lComputeLeading(iFontsize);
if (!bUsePostScript) {
(void)fprintf(pDiag->pOutFile, "\n");
}
} /* end of vMove2NextLine */
/*
* vSubstring2Diagram - put a sub string into a diagram
*/
void
vSubstring2Diagram(diagram_type *pDiag,
char *szString, int iStringLength, long lStringWidth,
int iColor, unsigned char ucFontstyle, draw_fontref tFontRef,
int iFontsize, int iMaxFontsize)
{
const char *szOurFontname;
fail(pDiag == NULL || szString == NULL);
fail(pDiag->pOutFile == NULL);
fail(pDiag->lXleft < 0);
fail(iStringLength < 0);
fail((size_t)iStringLength != strlen(szString));
fail(iFontsize < MIN_FONT_SIZE || iFontsize > MAX_FONT_SIZE);
fail(iMaxFontsize < MIN_FONT_SIZE || iMaxFontsize > MAX_FONT_SIZE);
fail(iFontsize > iMaxFontsize);
if (szString[0] == '\0' || iStringLength <= 0) {
return;
}
if (bUsePostScript) {
if (tFontRef != tFontRefCurr || iFontsize != iFontsizeCurr) {
szOurFontname = szGetFontname(tFontRef);
fail(szOurFontname == NULL);
fprintf(pDiag->pOutFile,
"%.1f /%s /%s-ISO-8859-x ChgFnt\n",
(double)iFontsize / 2.0,
szOurFontname, szOurFontname);
tFontRefCurr = tFontRef;
iFontsizeCurr = iFontsize;
}
if (iColor != iColorCurr) {
vSetColor(pDiag->pOutFile, iColor);
iColorCurr = iColor;
}
vMoveToPS(pDiag, lComputeLeading(iMaxFontsize));
vPrintPS(pDiag->pOutFile, szString, iStringLength, ucFontstyle);
} else {
vMoveToASCII(pDiag);
fprintf(pDiag->pOutFile, "%.*s", iStringLength, szString);
}
pDiag->lXleft += lStringWidth;
} /* end of vSubstring2Diagram */
/*
* Create an end of paragraph by moving the y-high mark 1/3 line down
*/
void
vEndOfParagraph2Diagram(diagram_type *pDiag,
draw_fontref tFontRef, int iFontsize)
{
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(iFontsize < MIN_FONT_SIZE || iFontsize > MAX_FONT_SIZE);
if (pDiag->lXleft > 0) {
/* To the start of the line */
vMove2NextLine(pDiag, tFontRef, iFontsize);
}
/* Empty line */
if (bUsePostScript) {
pDiag->lXleft = 0;
pDiag->lYtop -= lComputeLeading(iFontsize) / 3;
} else {
vMove2NextLine(pDiag, tFontRef, iFontsize);
}
} /* end of vEndOfParagraph2Diagram */
/*
* Create an end of page
*/
void
vEndOfPage2Diagram(diagram_type *pDiag,
draw_fontref tFontRef, int iFontsize)
{
if (bUsePostScript) {
vMove2NextPage(pDiag);
} else {
vEndOfParagraph2Diagram(pDiag, tFontRef, iFontsize);
}
} /* end of vEndOfPage2Diagram */