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OpenBoard/thirdparty/xpdf/xpdf-3.02/splash/SplashT1FontEngine.cc

124 lines
2.9 KiB

//========================================================================
//
// SplashT1FontEngine.cc
//
//========================================================================
#include <aconf.h>
#if HAVE_T1LIB_H
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stdlib.h>
#include <stdio.h>
#ifndef WIN32
# include <unistd.h>
#endif
#include <t1lib.h>
#include "GString.h"
#include "gfile.h"
#include "FoFiType1C.h"
#include "SplashT1FontFile.h"
#include "SplashT1FontEngine.h"
#ifdef VMS
#if (__VMS_VER < 70000000)
extern "C" int unlink(char *filename);
#endif
#endif
//------------------------------------------------------------------------
int SplashT1FontEngine::t1libInitCount = 0;
//------------------------------------------------------------------------
static void fileWrite(void *stream, char *data, int len) {
fwrite(data, 1, len, (FILE *)stream);
}
//------------------------------------------------------------------------
// SplashT1FontEngine
//------------------------------------------------------------------------
SplashT1FontEngine::SplashT1FontEngine(GBool aaA) {
aa = aaA;
}
SplashT1FontEngine *SplashT1FontEngine::init(GBool aaA) {
// grayVals[i] = round(i * 255 / 16)
static unsigned long grayVals[17] = {
0, 16, 32, 48, 64, 80, 96, 112, 128, 143, 159, 175, 191, 207, 223, 239, 255
};
//~ for multithreading: need a mutex here
if (t1libInitCount == 0) {
T1_SetBitmapPad(8);
if (!T1_InitLib(NO_LOGFILE | IGNORE_CONFIGFILE | IGNORE_FONTDATABASE |
T1_NO_AFM)) {
return NULL;
}
if (aaA) {
T1_AASetBitsPerPixel(8);
T1_AASetLevel(T1_AA_HIGH);
T1_AAHSetGrayValues(grayVals);
} else {
T1_AANSetGrayValues(0, 1);
}
}
++t1libInitCount;
return new SplashT1FontEngine(aaA);
}
SplashT1FontEngine::~SplashT1FontEngine() {
//~ for multithreading: need a mutex here
if (--t1libInitCount == 0) {
T1_CloseLib();
}
}
SplashFontFile *SplashT1FontEngine::loadType1Font(SplashFontFileID *idA,
char *fileName,
GBool deleteFile,
char **enc) {
return SplashT1FontFile::loadType1Font(this, idA, fileName, deleteFile, enc);
}
SplashFontFile *SplashT1FontEngine::loadType1CFont(SplashFontFileID *idA,
char *fileName,
GBool deleteFile,
char **enc) {
FoFiType1C *ff;
GString *tmpFileName;
FILE *tmpFile;
SplashFontFile *ret;
if (!(ff = FoFiType1C::load(fileName))) {
return NULL;
}
tmpFileName = NULL;
if (!openTempFile(&tmpFileName, &tmpFile, "wb", NULL)) {
delete ff;
return NULL;
}
ff->convertToType1(NULL, NULL, gTrue, &fileWrite, tmpFile);
delete ff;
fclose(tmpFile);
ret = SplashT1FontFile::loadType1Font(this, idA, tmpFileName->getCString(),
gTrue, enc);
if (ret) {
if (deleteFile) {
unlink(fileName);
}
} else {
unlink(tmpFileName->getCString());
}
delete tmpFileName;
return ret;
}
#endif // HAVE_T1LIB_H