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pjs
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Started using Frank's 64K bit array code and the Unicode converters. 

The euro now displays on Linux.
This commit is contained in:
erik%netscape.com 1999-06-13 18:33:37 +00:00
Родитель 9625f1893e
Коммит cb5e985c74
3 изменённых файлов: 115 добавлений и 264 удалений
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374
gfx/src/gtk/nsFontMetricsGTK.cpp
Просмотреть файл

@ -21,6 +21,8 @@
#include "nsFontMetricsGTK.h"
#include "nsIServiceManager.h"
#include "nsICharsetConverterManager.h"
#include "nsICharRepresentable.h"
#include "nsCOMPtr.h"
#include "nspr.h"
#include "plhash.h"
@ -725,11 +727,11 @@ NS_IMETHODIMP nsFontMetricsGTK::GetFontHandle(nsFontHandle &aHandle)
struct nsFontCharSetInfo
{
const char* mCharSet;
nsFontCharSetConverter Convert;
void (*GenerateMap)(nsFontCharSetInfo* aSelf);
PRUint8 mSpecialUnderline;
PRUint8* mMap;
nsIUnicodeEncoder* mEncoder;
PRUint32* mMap;
nsIUnicodeEncoder* mConverter;
};
struct nsFontStretch
@ -857,239 +859,91 @@ static PLHashTable* gCharSets = nsnull;
static nsFontCharSetInfo Ignore = { nsnull };
static gint
ISO88591Convert(nsFontCharSetInfo* aSelf, const PRUnichar* aSrcBuf,
PRUint32 aSrcLen, PRUint8* aDestBuf, PRUint32 aDestLen)
{
if (aSrcLen > aDestLen) {
aSrcLen = aDestLen;
}
gint ret = aSrcLen;
char* dest = (char*) aDestBuf;
while (aSrcLen--) {
*dest++ = (char) *aSrcBuf++;
}
return ret;
}
static void
ISO88591GenerateMap(nsFontCharSetInfo* aSelf)
SetUpFontCharSetInfo(nsFontCharSetInfo* aSelf)
{
PRUint8* map = aSelf->mMap;
PRUnichar c;
for (c = 0x20; c < 0x7f; c++) {
ADD_GLYPH(map, c);
nsresult result;
NS_WITH_SERVICE(nsICharsetConverterManager, manager,
NS_CHARSETCONVERTERMANAGER_PROGID, &result);
if (manager && NS_SUCCEEDED(result)) {
nsAutoString charset(aSelf->mCharSet);
nsIUnicodeEncoder* converter = nsnull;
result = manager->GetUnicodeEncoder(&charset, &converter);
if (converter && NS_SUCCEEDED(result)) {
aSelf->mConverter = converter;
result = converter->SetOutputErrorBehavior(converter->kOnError_Replace,
nsnull, '?');
nsCOMPtr<nsICharRepresentable> mapper = do_QueryInterface(converter);
if (mapper) {
result = mapper->FillInfo(aSelf->mMap);
}
for (c = 0xa0; c <= 0xff; c++) {
ADD_GLYPH(map, c);
}
}
}
static gint
SingleByteConvert(nsFontCharSetInfo* aSelf, const PRUnichar* aSrcBuf,
PRInt32 aSrcLen, char* aDestBuf, PRInt32 aDestLen)
{
gint count = 0;
if (aSelf->mConverter) {
aSelf->mConverter->Convert(aSrcBuf, &aSrcLen, aDestBuf, &aDestLen);
count = aDestLen;
}
return count;
}
static gint
DoubleByteConvert(nsFontCharSetInfo* aSelf, const PRUnichar* aSrcBuf,
PRInt32 aSrcLen, char* aDestBuf, PRInt32 aDestLen)
{
gint count = 0;
if (aSelf->mConverter) {
aSelf->mConverter->Convert(aSrcBuf, &aSrcLen, aDestBuf, &aDestLen);
count = aDestLen;
}
// XXX do high-bit if font requires it
return count;
}
static nsFontCharSetInfo ISO88591 =
{ ISO88591Convert, ISO88591GenerateMap, 0 };
#define JAPANESE
#ifdef JAPANESE
/*
** BSDi BSD/OS with shlicc2 is unable to read all of u2j208.h:
** ../../../../gfx/src/gtk/u2j208.h:1018: virtual memory exhausted
** so don't include it for that platform. (96M RAM, 256M swap)
** This needs to be handled in a better way, IMO. --briano.
*/
#ifndef __bsdi__
#define TEMPORARY_CONVERTERS
#endif
#ifdef TEMPORARY_CONVERTERS
#include "u2j208.h"
static gint
JISX02081983Convert(nsFontCharSetInfo* aSelf, const PRUnichar* aSrcBuf,
PRUint32 aSrcLen, PRUint8* aDestBuf, PRUint32 aDestLen)
{
gint ret = 0;
while (aSrcLen--) {
unsigned short jis = unicodeToJISX0208[*aSrcBuf++];
if (aDestLen > 1) {
*aDestBuf++ = (jis >> 8);
*aDestBuf++ = (jis & 0xff);
aDestLen -= 2;
ret += 2;
}
}
return ret;
}
static void
JISX02081983GenerateMap(nsFontCharSetInfo* aSelf)
{
PRUint8* map = aSelf->mMap;
for (PRUint32 unicode = 0; unicode < 65536; unicode++) {
if (unicodeToJISX0208[unicode]) {
ADD_GLYPH(map, unicode);
}
}
}
#else /* TEMPORARY_CONVERTERS */
static nsICharsetConverterManager* gConverterManager = nsnull;
static gint
JISX02081983Convert(nsFontCharSetInfo* aSelf, const PRUnichar* aSrcBuf,
PRUint32 aSrcLen, PRUint8* aDestBuf, PRUint32 aDestLen)
{
nsIUnicodeEncoder* encoder = aSelf->mEncoder;
encoder->Reset();
encoder->Convert(aSrcBuf, (PRInt32*) &aSrcLen, (char*) aDestBuf,
(PRInt32*) &aDestLen);
int mask = 0x7f; // XXX should be 0xff for high-bit fonts
for (PRUint32 i = 0; i < aDestLen; i++) {
aDestBuf[i] &= mask;
}
return aDestLen / 2;
}
static void
JISX02081983GenerateMap(nsFontCharSetInfo* aSelf)
{
nsresult res;
if (!gConverterManager) {
res = nsServiceManager::GetService(kCharsetConverterManagerCID,
kICharsetConverterManagerIID, (nsISupports**) &gConverterManager);
if (NS_FAILED(res)) {
printf("cannot get converter manager\n");
return;
}
}
nsIUnicodeEncoder* encoder = aSelf->mEncoder;
if (!encoder) {
nsAutoString name("euc-jp");
res = gConverterManager->GetUnicodeEncoder(&name, &encoder);
if (NS_FAILED(res)) {
printf("cannot get euc-jp encoder\n");
return;
}
aSelf->mEncoder = encoder;
}
encoder->SetOutputErrorBehavior(encoder->kOnError_Replace, nsnull, '?');
PRUint8* map = aSelf->mMap;
PRUnichar c = 0;
for (PRUint16 row = 0; row < 256; row++) {
PRUnichar src[256];
for (PRUint16 cell = 0; cell < 256; cell++) {
src[cell] = ((row << 8) | cell);
}
PRInt32 srcLen = 256;
PRUint8 dest[256 * 3];
PRInt32 destLen = sizeof(dest);
/*
src[0] = 0x30de;
srcLen = 1;
*/
encoder->Reset();
res = encoder->Convert(src, &srcLen, (char*) dest, &destLen);
/*
if (destLen == 1) {
printf("U+30DE -> %x\n", dest[0]);
}
else if (destLen == 2) {
printf("U+30DE -> %x %x\n", dest[0], dest[1]);
}
else {
printf("destLen %d\n", destLen);
}
return;
*/
if (NS_FAILED(res)) {
printf("euc-jp Convert failed\n");
return;
}
if (srcLen != 256) {
printf("srcLen != 256\n");
}
PRUint8* d = (PRUint8*) dest;
if (!row) {
printf("row 0: ");
for (int i = 0; i < destLen; i++) {
printf("%02x ", d[i]);
}
printf("\n");
}
printf("row %d c %x destLen %d\n", row, c, destLen);
while (destLen > 0) {
PRUint8 b = *d;
if (b < 0x7f) {
printf("%x %x\n", c, b);
destLen--;
d++;
}
else if (b < 0x8e) {
printf("%x %x\n", c, b);
destLen--;
d++;
}
else if (b == 0x8e) {
printf("%x %x %x\n", c, b, d[1]);
destLen -= 2;
d += 2;
}
else if (b == 0x8f) {
printf("%x %x %x %x\n", c, b, d[1], d[2]);
destLen -= 3;
d += 3;
}
else if (b < 0xa1) {
printf("%x %x\n", c, b);
destLen--;
d++;
}
else if (b < 0xff) {
printf("%x %x %x\n", c, b, d[1]);
destLen -= 2;
d += 2;
ADD_GLYPH(map, c);
}
else {
printf("%x %x\n", c, b);
destLen--;
d++;
}
c++;
}
return;
}
if (FONT_HAS_GLYPH(map, 0x30de)) {
printf("map contains glyph 0x30de\n");
}
else {
printf("map does not contain glyph 0x30de\n");
}
/*
int count = 0;
for (c = 0; count < 500; c++) {
if (FONT_HAS_GLYPH(map, c)) {
printf("%x ", c);
count++;
}
}
printf("\n");
*/
}
#endif /* TEMPORARY_CONVERTERS */
static nsFontCharSetInfo JISX02081983 =
{ JISX02081983Convert, JISX02081983GenerateMap, 1 };
#endif /* JAPANESE */
{ "iso-8859-1", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88592 =
{ "iso-8859-2", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88593 =
{ "iso-8859-3", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88594 =
{ "iso-8859-4", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88595 =
{ "iso-8859-5", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88596 =
{ "iso-8859-6", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88597 =
{ "iso-8859-7", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88598 =
{ "iso-8859-8", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO88599 =
{ "iso-8859-9", SingleByteConvert, 0 };
static nsFontCharSetInfo ISO885915 =
{ "iso-8859-15", SingleByteConvert, 0 };
static nsFontCharSetInfo JISX0201 =
{ "jis_0201", SingleByteConvert, 1 };
static nsFontCharSetInfo Big5 =
{ "x-x-big5", DoubleByteConvert, 1 };
static nsFontCharSetInfo CNS116431 =
{ "x-cns-11643-1", DoubleByteConvert, 1 };
static nsFontCharSetInfo CNS116432 =
{ "x-cns-11643-2", DoubleByteConvert, 1 };
static nsFontCharSetInfo GB2312 =
{ "gb_2312-80", DoubleByteConvert, 1 };
static nsFontCharSetInfo JISX0208 =
{ "jis_0208-1983", DoubleByteConvert, 1 };
static nsFontCharSetInfo JISX0212 =
{ "jis_0212-1990", DoubleByteConvert, 1 };
static nsFontCharSetInfo KSC5601 =
{ "ks_c_5601-1987", DoubleByteConvert, 1 };
/*
* Normally, the charset of an X font can be determined simply by looking at
@ -1122,27 +976,27 @@ static nsFontCharSetMap gCharSetMap[] =
{ "-ascii", &Ignore },
{ "-ibm pc", &Ignore },
{ "adobe-fontspecific", &Ignore },
{ "cns11643.1986-1", &Ignore },
{ "cns11643.1986-2", &Ignore },
{ "cns11643.1992-1", &Ignore },
{ "cns11643.1986-1", &CNS116431 },
{ "cns11643.1986-2", &CNS116432 },
{ "cns11643.1992-1", &CNS116431 },
{ "cns11643.1992-12", &Ignore },
{ "cns11643.1992-2", &Ignore },
{ "cns11643.1992-2", &CNS116432 },
{ "cns11643.1992-3", &Ignore },
{ "cns11643.1992-4", &Ignore },
{ "cp1251-1", &Ignore },
{ "dec-dectech", &Ignore },
{ "dtsymbol-1", &Ignore },
{ "fontspecific-0", &Ignore },
{ "gb2312.1980-0", &Ignore },
{ "gb2312.1980-1", &Ignore },
{ "gb2312.1980-0", &GB2312 },
{ "gb2312.1980-1", &GB2312 },
{ "hp-japanese15", &Ignore },
{ "hp-japaneseeuc", &Ignore },
{ "hp-roman8", &Ignore },
{ "hp-schinese15", &Ignore },
{ "hp-tchinese15", &Ignore },
{ "hp-tchinesebig5", &Ignore },
{ "hp-tchinesebig5", &Big5 },
{ "hp-wa", &Ignore },
{ "hpbig5-", &Ignore },
{ "hpbig5-", &Big5 },
{ "hproc16-", &Ignore },
{ "ibm-1252", &Ignore },
{ "ibm-850", &Ignore },
@ -1155,31 +1009,27 @@ static nsFontCharSetMap gCharSetMap[] =
{ "ibm-udctw", &Ignore },
{ "iso646.1991-irv", &Ignore },
{ "iso8859-1", &ISO88591 },
{ "iso8859-15", &Ignore },
{ "iso8859-15", &ISO885915 },
{ "iso8859-1@cn", &Ignore },
{ "iso8859-1@kr", &Ignore },
{ "iso8859-1@tw", &Ignore },
{ "iso8859-1@zh", &Ignore },
{ "iso8859-2", &Ignore },
{ "iso8859-3", &Ignore },
{ "iso8859-4", &Ignore },
{ "iso8859-5", &Ignore },
{ "iso8859-6", &Ignore },
{ "iso8859-7", &Ignore },
{ "iso8859-8", &Ignore },
{ "iso8859-9", &Ignore },
{ "iso8859-2", &ISO88592 },
{ "iso8859-3", &ISO88593 },
{ "iso8859-4", &ISO88594 },
{ "iso8859-5", &ISO88595 },
{ "iso8859-6", &ISO88596 },
{ "iso8859-7", &ISO88597 },
{ "iso8859-8", &ISO88598 },
{ "iso8859-9", &ISO88599 },
{ "iso10646-1", &Ignore },
{ "jisx0201.1976-0", &Ignore },
{ "jisx0201.1976-1", &Ignore },
#ifdef JAPANESE
{ "jisx0208.1983-0", &JISX02081983 },
#else
{ "jisx0208.1983-0", &Ignore },
#endif
{ "jisx0208.1990-0", &Ignore },
{ "jisx0212.1990-0", &Ignore },
{ "jisx0201.1976-0", &JISX0201 },
{ "jisx0201.1976-1", &JISX0201 },
{ "jisx0208.1983-0", &JISX0208 },
{ "jisx0208.1990-0", &JISX0208 },
{ "jisx0212.1990-0", &JISX0212 },
{ "koi8-r", &Ignore },
{ "ksc5601.1987-0", &Ignore },
{ "ksc5601.1987-0", &KSC5601 },
{ "misc-fontspecific", &Ignore },
{ "sgi-fontspecific", &Ignore },
{ "sun-fontspecific", &Ignore },
@ -1772,18 +1622,18 @@ SearchCharSet(PLHashEntry* he, PRIntn i, void* arg)
{
nsFontCharSet* charSet = (nsFontCharSet*) he->value;
nsFontCharSetInfo* charSetInfo = charSet->mInfo;
PRUint8* map = charSetInfo->mMap;
PRUint32* map = charSetInfo->mMap;
nsFontSearch* search = (nsFontSearch*) arg;
PRUnichar c = search->mChar;
if (!map) {
map = (PRUint8*) PR_Calloc(8192, 1);
map = (PRUint32*) PR_Calloc(2048, 4);
if (!map) {
return HT_ENUMERATE_NEXT;
}
charSetInfo->mMap = map;
charSetInfo->GenerateMap(charSetInfo);
SetUpFontCharSetInfo(charSetInfo);
}
if (!FONT_HAS_GLYPH(map, c)) {
if (!IS_REPRESENTABLE(map, c)) {
return HT_ENUMERATE_NEXT;
}
@ -2168,7 +2018,7 @@ nsFontMetricsGTK::GetWidth(nsFontGTK* aFont, const PRUnichar* aString,
{
XChar2b buf[512];
gint len = aFont->mCharSetInfo->Convert(aFont->mCharSetInfo, aString, aLength,
(PRUint8*) buf, sizeof(buf));
(char*) buf, sizeof(buf));
return gdk_text_width(aFont->mFont, (char*) buf, len);
}
@ -2178,7 +2028,7 @@ nsFontMetricsGTK::DrawString(nsDrawingSurfaceGTK* aSurface, nsFontGTK* aFont,
{
XChar2b buf[512];
gint len = aFont->mCharSetInfo->Convert(aFont->mCharSetInfo, aString, aLength,
(PRUint8*) buf, sizeof(buf));
(char*) buf, sizeof(buf));
::gdk_draw_text(aSurface->GetDrawable(), aFont->mFont, aSurface->GetGC(), aX,
aY + aFont->mBaselineAdjust, (char*) buf, len);
}

6
gfx/src/gtk/nsFontMetricsGTK.h
Просмотреть файл

@ -46,8 +46,8 @@
typedef struct nsFontCharSetInfo nsFontCharSetInfo;
typedef gint (*nsFontCharSetConverter)(nsFontCharSetInfo* aSelf,
const PRUnichar* aSrcBuf, PRUint32 aSrcLen, PRUint8* aDestBuf,
PRUint32 aDestLen);
const PRUnichar* aSrcBuf, PRInt32 aSrcLen, char* aDestBuf,
PRInt32 aDestLen);
struct nsFontCharSet;
class nsFontMetricsGTK;
@ -59,7 +59,7 @@ struct nsFontGTK
void LoadFont(nsFontCharSet* aCharSet, nsFontMetricsGTK* aMetrics);
GdkFont* mFont;
PRUint8* mMap;
PRUint32* mMap;
nsFontCharSetInfo* mCharSetInfo;
char* mName;
PRUint16 mSize;

5
gfx/src/gtk/nsRenderingContextGTK.cpp
Просмотреть файл

@ -22,6 +22,7 @@
#include "nsRegionGTK.h"
#include "nsGraphicsStateGTK.h"
#include "nsGfxCIID.h"
#include "nsICharRepresentable.h"
#include <math.h>
#define NS_TO_GDK_RGB(ns) (ns & 0xff) << 16 | (ns & 0xff00) | ((ns >> 16) & 0xff)
@ -983,7 +984,7 @@ nsRenderingContextGTK::GetWidth(const PRUnichar* aString, PRUint32 aLength,
nsFontGTK** font = metrics->mLoadedFonts;
nsFontGTK** end = &metrics->mLoadedFonts[metrics->mLoadedFontsCount];
while (font < end) {
if (FONT_HAS_GLYPH((*font)->mMap, c)) {
if (IS_REPRESENTABLE((*font)->mMap, c)) {
currFont = *font;
goto FoundFont; // for speed -- avoid "if" statement
}
@ -1188,7 +1189,7 @@ nsRenderingContextGTK::DrawString(const PRUnichar* aString, PRUint32 aLength,
nsFontGTK** font = metrics->mLoadedFonts;
nsFontGTK** lastFont = &metrics->mLoadedFonts[metrics->mLoadedFontsCount];
while (font < lastFont) {
if (FONT_HAS_GLYPH((*font)->mMap, c)) {
if (IS_REPRESENTABLE((*font)->mMap, c)) {
currFont = *font;
goto FoundFont; // for speed -- avoid "if" statement
}