Index: source/test/letest/PortableFontInstance.cpp |
diff --git a/source/test/letest/PortableFontInstance.cpp b/source/test/letest/PortableFontInstance.cpp |
deleted file mode 100644 |
index 5c968b2545de3682332319bd6d8afdfdf3a23c87..0000000000000000000000000000000000000000 |
--- a/source/test/letest/PortableFontInstance.cpp |
+++ /dev/null |
@@ -1,477 +0,0 @@ |
-/* |
- ******************************************************************************* |
- * |
- * Copyright (C) 1999-2015, International Business Machines |
- * Corporation and others. All Rights Reserved. |
- * |
- ******************************************************************************* |
- * file name: PortableFontInstance.cpp |
- * |
- * created on: 11/22/1999 |
- * created by: Eric R. Mader |
- */ |
- |
-#include <stdio.h> |
- |
-#include "layout/LETypes.h" |
-#include "layout/LEFontInstance.h" |
-#include "layout/LESwaps.h" |
- |
-#include "PortableFontInstance.h" |
- |
-//#include "letest.h" |
-#include "sfnt.h" |
- |
-#include <string.h> |
-#include <stdio.h> |
- |
-#if 0 |
-static const char *letagToStr(LETag tag, char *str) { |
- str[0]= 0xFF & (tag>>24); |
- str[1]= 0xFF & (tag>>16); |
- str[2]= 0xFF & (tag>>8); |
- str[3]= 0xFF & (tag>>0); |
- str[4]= 0; |
- return str; |
-} |
-#endif |
- |
-// |
-// Finds the high bit by binary searching |
-// through the bits in n. |
-// |
-le_int8 PortableFontInstance::highBit(le_int32 value) |
-{ |
- if (value <= 0) { |
- return -32; |
- } |
- |
- le_uint8 bit = 0; |
- |
- if (value >= 1 << 16) { |
- value >>= 16; |
- bit += 16; |
- } |
- |
- if (value >= 1 << 8) { |
- value >>= 8; |
- bit += 8; |
- } |
- |
- if (value >= 1 << 4) { |
- value >>= 4; |
- bit += 4; |
- } |
- |
- if (value >= 1 << 2) { |
- value >>= 2; |
- bit += 2; |
- } |
- |
- if (value >= 1 << 1) { |
- value >>= 1; |
- bit += 1; |
- } |
- |
- return bit; |
-} |
- |
-PortableFontInstance::PortableFontInstance(const char *fileName, float pointSize, LEErrorCode &status) |
- : fFile(NULL), fPointSize(pointSize), fUnitsPerEM(0), fFontChecksum(0), fAscent(0), fDescent(0), fLeading(0), |
- fDirectory(NULL), fNAMETable(NULL), fNameCount(0), fNameStringOffset(0), fCMAPMapper(NULL), fHMTXTable(NULL), fNumGlyphs(0), fNumLongHorMetrics(0) |
-{ |
- if (LE_FAILURE(status)) { |
- return; |
- } |
- |
- // open the font file |
- fFile = fopen(fileName, "rb"); |
- //printf("Open Font: %s\n", fileName); |
- |
- if (fFile == NULL) { |
- printf("%s:%d: %s: FNF\n", __FILE__, __LINE__, fileName); |
- status = LE_FONT_FILE_NOT_FOUND_ERROR; |
- return; |
- } |
- |
- // read in the directory |
- SFNTDirectory tempDir; |
- |
- size_t numRead = fread(&tempDir, sizeof tempDir, 1, fFile); |
- (void)numRead; |
- |
- le_int32 dirSize = sizeof tempDir + ((SWAPW(tempDir.numTables) - ANY_NUMBER) * sizeof(DirectoryEntry)); |
- const LETag headTag = LE_HEAD_TABLE_TAG; |
- const LETag hheaTag = LE_HHEA_TABLE_TAG; |
- const HEADTable *headTable = NULL; |
- const HHEATable *hheaTable = NULL; |
-// const NAMETable *nameTable = NULL; |
- le_uint16 numTables = 0; |
- |
- fDirectory = (const SFNTDirectory *) LE_NEW_ARRAY(char, dirSize); |
- |
- if (fDirectory == NULL) { |
- printf("%s:%d: %s: malloc err\n", __FILE__, __LINE__, fileName); |
- status = LE_MEMORY_ALLOCATION_ERROR; |
- goto error_exit; |
- } |
- |
- fseek(fFile, 0L, SEEK_SET); |
- numRead = fread((void *) fDirectory, sizeof(char), dirSize, fFile); |
- |
- // |
- // We calculate these numbers 'cause some fonts |
- // have bogus values for them in the directory header. |
- // |
- numTables = SWAPW(fDirectory->numTables); |
- fDirPower = 1 << highBit(numTables); |
- fDirExtra = numTables - fDirPower; |
- |
- // read unitsPerEm from 'head' table |
- headTable = (const HEADTable *) readFontTable(headTag); |
- |
- if (headTable == NULL) { |
- status = LE_MISSING_FONT_TABLE_ERROR; |
- printf("%s:%d: %s: missing head table\n", __FILE__, __LINE__, fileName); |
- goto error_exit; |
- } |
- |
- fUnitsPerEM = SWAPW(headTable->unitsPerEm); |
- fFontChecksum = SWAPL(headTable->checksumAdjustment); |
- freeFontTable(headTable); |
- |
- //nameTable = (NAMETable *) readFontTable(nameTag); |
- |
- //if (nameTable == NULL) { |
- // status = LE_MISSING_FONT_TABLE_ERROR; |
- // goto error_exit; |
- //} |
- |
- //fFontVersionString = findName(nameTable, NAME_VERSION_STRING, PLATFORM_MACINTOSH, MACINTOSH_ROMAN, MACINTOSH_ENGLISH); |
- |
- //if (fFontVersionString == NULL) { |
- // status = LE_MISSING_FONT_TABLE_ERROR; |
- // goto error_exit; |
- //} |
- |
- //freeFontTable(nameTable); |
- |
- hheaTable = (HHEATable *) readFontTable(hheaTag); |
- |
- if (hheaTable == NULL) { |
- printf("%s:%d: %s: missing hhea table\n", __FILE__, __LINE__, fileName); |
- status = LE_MISSING_FONT_TABLE_ERROR; |
- goto error_exit; |
- } |
- |
- fAscent = (le_int32) yUnitsToPoints((float) SWAPW(hheaTable->ascent)); |
- fDescent = (le_int32) yUnitsToPoints((float) SWAPW(hheaTable->descent)); |
- fLeading = (le_int32) yUnitsToPoints((float) SWAPW(hheaTable->lineGap)); |
- |
- fNumLongHorMetrics = SWAPW(hheaTable->numOfLongHorMetrics); |
- |
- freeFontTable((void *) hheaTable); |
- |
- fCMAPMapper = findUnicodeMapper(); |
- |
- if (fCMAPMapper == NULL) { |
- printf("%s:%d: %s: can't load cmap\n", __FILE__, __LINE__, fileName); |
- status = LE_MISSING_FONT_TABLE_ERROR; |
- goto error_exit; |
- } |
- |
- return; |
- |
-error_exit: |
- fclose(fFile); |
- fFile = NULL; |
- return; |
-} |
- |
-PortableFontInstance::~PortableFontInstance() |
-{ |
- if (fFile != NULL) { |
- fclose(fFile); |
- |
- freeFontTable(fHMTXTable); |
- freeFontTable(fNAMETable); |
- |
- delete fCMAPMapper; |
- |
- LE_DELETE_ARRAY(fDirectory); |
- } |
-} |
- |
-const DirectoryEntry *PortableFontInstance::findTable(LETag tag) const |
-{ |
- if (fDirectory != NULL) { |
- le_uint16 table = 0; |
- le_uint16 probe = fDirPower; |
- |
- if (SWAPL(fDirectory->tableDirectory[fDirExtra].tag) <= tag) { |
- table = fDirExtra; |
- } |
- |
- while (probe > (1 << 0)) { |
- probe >>= 1; |
- |
- if (SWAPL(fDirectory->tableDirectory[table + probe].tag) <= tag) { |
- table += probe; |
- } |
- } |
- |
- if (SWAPL(fDirectory->tableDirectory[table].tag) == tag) { |
- return &fDirectory->tableDirectory[table]; |
- } |
- } |
- |
- return NULL; |
-} |
- |
-const void *PortableFontInstance::readTable(LETag tag, le_uint32 *length) const |
-{ |
- const DirectoryEntry *entry = findTable(tag); |
- |
- if (entry == NULL) { |
- *length = 0; |
- return NULL; |
- } |
- |
- *length = SWAPL(entry->length); |
- |
- void *table = LE_NEW_ARRAY(char, *length); |
- |
- if (table != NULL) { |
- fseek(fFile, SWAPL(entry->offset), SEEK_SET); |
- size_t numRead = fread(table, sizeof(char), *length, fFile); |
- (void)numRead; |
- } |
- |
- return table; |
-} |
- |
-const void *PortableFontInstance::getFontTable(LETag tableTag, size_t &length) const |
-{ |
- return FontTableCache::find(tableTag, length); |
-} |
- |
-const void *PortableFontInstance::readFontTable(LETag tableTag, size_t &length) const |
-{ |
- le_uint32 len; |
- |
- const void *data= readTable(tableTag, &len); |
- length = len; |
- //char tag5[5]; |
- //printf("Read %s, result %p #%d\n", letagToStr(tableTag,tag5), data,len); |
- return data; |
-} |
- |
-CMAPMapper *PortableFontInstance::findUnicodeMapper() |
-{ |
- LETag cmapTag = LE_CMAP_TABLE_TAG; |
- const CMAPTable *cmap = (CMAPTable *) readFontTable(cmapTag); |
- |
- if (cmap == NULL) { |
- return NULL; |
- } |
- |
- return CMAPMapper::createUnicodeMapper(cmap); |
-} |
- |
-const char *PortableFontInstance::getNameString(le_uint16 nameID, le_uint16 platformID, le_uint16 encodingID, le_uint16 languageID) const |
-{ |
- if (fNAMETable == NULL) { |
- LETag nameTag = LE_NAME_TABLE_TAG; |
- PortableFontInstance *realThis = (PortableFontInstance *) this; |
- |
- realThis->fNAMETable = (const NAMETable *) readFontTable(nameTag); |
- |
- if (realThis->fNAMETable != NULL) { |
- realThis->fNameCount = SWAPW(realThis->fNAMETable->count); |
- realThis->fNameStringOffset = SWAPW(realThis->fNAMETable->stringOffset); |
- } |
- } |
- |
- for(le_int32 i = 0; i < fNameCount; i += 1) { |
- const NameRecord *nameRecord = &fNAMETable->nameRecords[i]; |
- |
- if (SWAPW(nameRecord->platformID) == platformID && SWAPW(nameRecord->encodingID) == encodingID && |
- SWAPW(nameRecord->languageID) == languageID && SWAPW(nameRecord->nameID) == nameID) { |
- char *name = ((char *) fNAMETable) + fNameStringOffset + SWAPW(nameRecord->offset); |
- le_uint16 length = SWAPW(nameRecord->length); |
- char *result = LE_NEW_ARRAY(char, length + 2); |
- |
- LE_ARRAY_COPY(result, name, length); |
- result[length] = result[length + 1] = 0; |
- |
- return result; |
- } |
- } |
- |
- return NULL; |
-} |
- |
-const LEUnicode16 *PortableFontInstance::getUnicodeNameString(le_uint16 nameID, le_uint16 platformID, le_uint16 encodingID, le_uint16 languageID) const |
-{ |
- if (fNAMETable == NULL) { |
- LETag nameTag = LE_NAME_TABLE_TAG; |
- PortableFontInstance *realThis = (PortableFontInstance *) this; |
- |
- realThis->fNAMETable = (const NAMETable *) readFontTable(nameTag); |
- |
- if (realThis->fNAMETable != NULL) { |
- realThis->fNameCount = SWAPW(realThis->fNAMETable->count); |
- realThis->fNameStringOffset = SWAPW(realThis->fNAMETable->stringOffset); |
- } |
- } |
- |
- for(le_int32 i = 0; i < fNameCount; i += 1) { |
- const NameRecord *nameRecord = &fNAMETable->nameRecords[i]; |
- |
- if (SWAPW(nameRecord->platformID) == platformID && SWAPW(nameRecord->encodingID) == encodingID && |
- SWAPW(nameRecord->languageID) == languageID && SWAPW(nameRecord->nameID) == nameID) { |
- LEUnicode16 *name = (LEUnicode16 *) (((char *) fNAMETable) + fNameStringOffset + SWAPW(nameRecord->offset)); |
- le_uint16 length = SWAPW(nameRecord->length) / 2; |
- LEUnicode16 *result = LE_NEW_ARRAY(LEUnicode16, length + 2); |
- |
- for (le_int32 c = 0; c < length; c += 1) { |
- result[c] = SWAPW(name[c]); |
- } |
- |
- result[length] = 0; |
- |
- return result; |
- } |
- } |
- |
- return NULL; |
-} |
- |
-void PortableFontInstance::deleteNameString(const char *name) const |
-{ |
- LE_DELETE_ARRAY(name); |
-} |
- |
-void PortableFontInstance::deleteNameString(const LEUnicode16 *name) const |
-{ |
- LE_DELETE_ARRAY(name); |
-} |
- |
-void PortableFontInstance::getGlyphAdvance(LEGlyphID glyph, LEPoint &advance) const |
-{ |
- TTGlyphID ttGlyph = (TTGlyphID) LE_GET_GLYPH(glyph); |
- |
- if (fHMTXTable == NULL) { |
- LETag maxpTag = LE_MAXP_TABLE_TAG; |
- LETag hmtxTag = LE_HMTX_TABLE_TAG; |
- const MAXPTable *maxpTable = (MAXPTable *) readFontTable(maxpTag); |
- PortableFontInstance *realThis = (PortableFontInstance *) this; |
- |
- if (maxpTable != NULL) { |
- realThis->fNumGlyphs = SWAPW(maxpTable->numGlyphs); |
- freeFontTable(maxpTable); |
- } |
- |
- realThis->fHMTXTable = (const HMTXTable *) readFontTable(hmtxTag); |
- } |
- |
- le_uint16 index = ttGlyph; |
- |
- if (ttGlyph >= fNumGlyphs || fHMTXTable == NULL) { |
- advance.fX = advance.fY = 0; |
- return; |
- } |
- |
- if (ttGlyph >= fNumLongHorMetrics) { |
- index = fNumLongHorMetrics - 1; |
- } |
- |
- advance.fX = xUnitsToPoints(SWAPW(fHMTXTable->hMetrics[index].advanceWidth)); |
- advance.fY = 0; |
-} |
- |
-le_bool PortableFontInstance::getGlyphPoint(LEGlyphID /*glyph*/, le_int32 /*pointNumber*/, LEPoint &/*point*/) const |
-{ |
- return FALSE; |
-} |
- |
-le_int32 PortableFontInstance::getUnitsPerEM() const |
-{ |
- return fUnitsPerEM; |
-} |
- |
-le_uint32 PortableFontInstance::getFontChecksum() const |
-{ |
- return fFontChecksum; |
-} |
- |
-le_uint32 PortableFontInstance::getRawChecksum() const |
-{ |
- // how big is it? |
- // fseek(fFile, 0L, SEEK_END); |
- // long size = ftell(fFile); |
- le_int32 chksum = 0; |
- // now, calculate |
- fseek(fFile, 0L, SEEK_SET); |
- int r; |
- int count =0; |
- while((r = fgetc(fFile)) != EOF) { |
- chksum += r; |
- count ++; |
- } |
- return (le_uint32) chksum; // cast to signed |
-} |
- |
-le_int32 PortableFontInstance::getAscent() const |
-{ |
- return fAscent; |
-} |
- |
-le_int32 PortableFontInstance::getDescent() const |
-{ |
- return fDescent; |
-} |
- |
-le_int32 PortableFontInstance::getLeading() const |
-{ |
- return fLeading; |
-} |
- |
-// We really want to inherit this method from the superclass, but some compilers |
-// issue a warning if we don't implement it... |
-LEGlyphID PortableFontInstance::mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper, le_bool filterZeroWidth) const |
-{ |
- return LEFontInstance::mapCharToGlyph(ch, mapper, filterZeroWidth); |
-} |
- |
-// We really want to inherit this method from the superclass, but some compilers |
-// issue a warning if we don't implement it... |
-LEGlyphID PortableFontInstance::mapCharToGlyph(LEUnicode32 ch, const LECharMapper *mapper) const |
-{ |
- return LEFontInstance::mapCharToGlyph(ch, mapper); |
-} |
- |
-LEGlyphID PortableFontInstance::mapCharToGlyph(LEUnicode32 ch) const |
-{ |
- return fCMAPMapper->unicodeToGlyph(ch); |
-} |
- |
-float PortableFontInstance::getXPixelsPerEm() const |
-{ |
- return fPointSize; |
-} |
- |
-float PortableFontInstance::getYPixelsPerEm() const |
-{ |
- return fPointSize; |
-} |
- |
-float PortableFontInstance::getScaleFactorX() const |
-{ |
- return 1.0; |
-} |
- |
-float PortableFontInstance::getScaleFactorY() const |
-{ |
- return 1.0; |
-} |