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