Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-10-10 03:45:46 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

#58637

Browse Source 
r=mkaply, sr=blizzard, a=asa for drivers
OS/2 only - The best UTF-8/Unicode support we can do
This commit is contained in:
mkaply%us.ibm.com 2001-08-31 03:08:10 +00:00
parent 9e11d1a8f1
commit 73056e6adc
1 changed files with 208 additions and 136 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

344
gfx/src/os2/nsRenderingContextOS2.cpp
View File

@ -60,6 +60,7 @@ HRGN OS2_CopyClipRegion( HPS hps);
#define OS2_SetClipRegion(hps,hrgn) OS2_CombineClipRegion(hps, hrgn, CRGN_COPY)
BOOL doSetupFontAndTextColor = PR_TRUE;
BOOL doSetupFont = PR_TRUE;
#define FLAG_CLIP_VALID 0x0001
#define FLAG_CLIP_CHANGED 0x0002
@ -1264,6 +1265,12 @@ NS_IMETHODIMP nsRenderingContextOS2 :: GetWidth(const char* aString,
{
if (nsnull != mFontMetrics)
{
if( !aLength )
{
aWidth = 0;
return NS_OK;
}
// Check for the very common case of trying to get the width of a single
// space.
if ((1 == aLength) && (aString[0] == ' '))
@ -1461,80 +1468,112 @@ NS_IMETHODIMP nsRenderingContextOS2::GetWidth( const PRUnichar *aString,
BOOL createdFont = FALSE;
LONG oldLcid;
int convertedLength = 0;
nsresult rv;
aWidth = 0;
if (((nsFontMetricsOS2*)mFontMetrics)->mCodePage == 1252) {
for (PRUint32 i = 0; i < aLength; i++) {
if (((nsFontMetricsOS2*)mFontMetrics)->mCodePage == 1252)
{
for (PRUint32 i = 0; i < aLength; i++)
{
PRUnichar c = pstr[i];
if (c > 0x00FF) {
if (!createdFont) {
nsFontHandle fh = nsnull;
if (mFontMetrics) {
mFontMetrics->GetFontHandle(fh);
} /* endif */
nsFontHandleOS2 *pHandle = (nsFontHandleOS2 *) fh;
FATTRS fattrs = pHandle->fattrs;
fattrs.usCodePage = 1208;
strcpy(fattrs.szFacename, "Times New Roman MT 30");
GFX (::GpiCreateLogFont (mPS, 0, 1, &fattrs), GPI_ERROR);
createdFont = TRUE;
} /* endif */
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
GetWidth((const char*)buf,convertedLength,tWidth);
aWidth += tWidth;
start = i;
convertedLength = WideCharToMultiByte( 1208, &pstr[start], 1, buf, sizeof(buf));
if (c > 0x00FF)
{
if (!createdFont)
{
// find the font specified for Unicode characters and use it to
// display any characters above 0x00FF
rv = ((nsFontMetricsOS2*)mFontMetrics)->SetUnicodeFont( mPS, 1 );
if( NS_FAILED(rv) )
continue; // failed to load unicode font; use 'normal' font
else
createdFont = TRUE;
}
// Calculate width of the preceding non-unicode characters
if( i-start > 0 )
{
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
GetWidth((const char*)buf,convertedLength,tWidth);
aWidth += tWidth;
}
// Group unicode chars together
PRUint32 end = i+1;
while( end < aLength && pstr[end] > 0x00FF )
end++;
convertedLength = WideCharToMultiByte( 1208, &pstr[i], end-i, buf, sizeof(buf));
LONG oldLcid = GpiQueryCharSet(mPS);
GpiSetCharSet(mPS, 1);
GFX (::GpiSetCharSet (mPS, 1), FALSE);
doSetupFontAndTextColor = PR_FALSE;
GetWidth((const char*)buf,convertedLength,tWidth);
aWidth+=tWidth;
doSetupFontAndTextColor = PR_TRUE;
GpiSetCharSet(mPS, oldLcid);
start++;
} /* endif */
} /* endfor */
} else {
for (PRUint32 i = 0; i < aLength; i++) {
GFX (::GpiSetCharSet (mPS, oldLcid), FALSE);
start = end;
i = end - 1; /* get incremented by for loop */
}
} /*endfor*/
}
else
{
for (PRUint32 i = 0; i < aLength; i++)
{
PRUnichar c = pstr[i];
if ((c >= 0x0080) && (c <= 0x00FF)) {
if (!createdFont) {
nsFontHandle fh = nsnull;
if (mFontMetrics) {
mFontMetrics->GetFontHandle(fh);
} /* endif */
nsFontHandleOS2 *pHandle = (nsFontHandleOS2 *) fh;
FATTRS fattrs = pHandle->fattrs;
fattrs.usCodePage = 1252;
GFX (::GpiCreateLogFont (mPS, 0, 1, &fattrs), GPI_ERROR);
createdFont = TRUE;
} /* endif */
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
GetWidth((const char*)buf,convertedLength,tWidth);
aWidth += tWidth;
start = i;
convertedLength = WideCharToMultiByte( 1252, &pstr[start], 1, buf, sizeof(buf));
if ((c >= 0x0080) && (c <= 0x00FF))
{
if (!createdFont)
{
nsFontHandle fh = nsnull;
if (mFontMetrics)
mFontMetrics->GetFontHandle(fh);
nsFontHandleOS2 *pHandle = (nsFontHandleOS2 *) fh;
FATTRS fattrs = pHandle->fattrs;
fattrs.usCodePage = 1252;
GFX (::GpiCreateLogFont (mPS, 0, 1, &fattrs), GPI_ERROR);
createdFont = TRUE;
}
if( i-start > 0 )
{
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
GetWidth((const char*)buf,convertedLength,tWidth);
aWidth += tWidth;
}
// Group chars together
PRUint32 end = i+1;
while( end < aLength && pstr[end] >= 0x0080 && pstr[end] <= 0x00FF )
end++;
convertedLength = WideCharToMultiByte( 1252, &pstr[i], end-i, buf, sizeof(buf));
LONG oldLcid = GpiQueryCharSet(mPS);
GpiSetCharSet(mPS, 1);
GFX (::GpiSetCharSet (mPS, 1), FALSE);
doSetupFontAndTextColor = PR_FALSE;
GetWidth((const char*)buf,convertedLength,tWidth);
aWidth+=tWidth;
doSetupFontAndTextColor = PR_TRUE;
GpiSetCharSet(mPS, oldLcid);
start++;
} /* endif */
} /* endfor */
} /* endif */
GFX (::GpiSetCharSet (mPS, oldLcid), FALSE);
start = end;
i = end - 1; /* get incremented by for loop */
}
}
}
if (createdFont) {
GpiDeleteSetId(mPS, 1);
createdFont = FALSE;
} /* endif */
if (createdFont)
{
GpiDeleteSetId(mPS, 1);
createdFont = FALSE;
}
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], aLength-start, buf, sizeof(buf));
temp = GetWidth( buf, convertedLength, tWidth);
aWidth+= tWidth;
if( aLength-start > 0 )
{
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], aLength-start, buf, sizeof(buf));
temp = GetWidth( buf, convertedLength, tWidth);
aWidth+= tWidth;
}
// int convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, aString, aLength, buf, sizeof(buf));
// temp = GetWidth( buf, newLength, aWidth);
@ -1580,10 +1619,10 @@ NS_IMETHODIMP nsRenderingContextOS2 :: DrawString(const char *aString, PRUint32
return NS_OK;
}
NS_IMETHODIMP nsRenderingContextOS2 :: DrawString(const PRUnichar *aString, PRUint32 aLength,
nscoord aX, nscoord aY,
PRInt32 aFontID,
const nscoord* aSpacing)
NS_IMETHODIMP
nsRenderingContextOS2 :: DrawString(const PRUnichar *aString, PRUint32 aLength,
nscoord aX, nscoord aY, PRInt32 aFontID,
const nscoord* aSpacing)
{
char buf[1024];
@ -1598,79 +1637,112 @@ NS_IMETHODIMP nsRenderingContextOS2 :: DrawString(const PRUnichar *aString, PRUi
LONG oldLcid;
int convertedLength = 0;
if (((nsFontMetricsOS2*)mFontMetrics)->mCodePage == 1252) {
for (PRUint32 i = 0; i < aLength; i++) {
PRUnichar c = pstr[i];
if (c > 0x00FF) {
if (!createdFont) {
nsFontHandle fh = nsnull;
if (mFontMetrics) {
mFontMetrics->GetFontHandle(fh);
} /* endif */
nsFontHandleOS2 *pHandle = (nsFontHandleOS2 *) fh;
FATTRS fattrs = pHandle->fattrs;
fattrs.usCodePage = 1208;
strcpy(fattrs.szFacename, "Times New Roman MT 30");
GFX (::GpiCreateLogFont (mPS, 0, 1, &fattrs), GPI_ERROR);
createdFont = TRUE;
} /* endif */
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
x+=tWidth;
start = i;
convertedLength = WideCharToMultiByte( 1208, &pstr[start], 1, buf, sizeof(buf));
LONG oldLcid = GpiQueryCharSet(mPS);
GpiSetCharSet(mPS, 1);
doSetupFontAndTextColor = PR_FALSE;
DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
doSetupFontAndTextColor = PR_TRUE;
GpiSetCharSet(mPS, oldLcid);
x+=tWidth;
start++;
} /* endif */
} /* endfor */
} else {
for (PRUint32 i = 0; i < aLength; i++) {
PRUnichar c = pstr[i];
if ((c >= 0x0080) && (c <= 0x00FF)) {
if (!createdFont) {
nsFontHandle fh = nsnull;
if (mFontMetrics) {
mFontMetrics->GetFontHandle(fh);
} /* endif */
nsFontHandleOS2 *pHandle = (nsFontHandleOS2 *) fh;
FATTRS fattrs = pHandle->fattrs;
fattrs.usCodePage = 1252;
GFX (::GpiCreateLogFont (mPS, 0, 1, &fattrs), GPI_ERROR);
createdFont = TRUE;
} /* endif */
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
x+=tWidth;
start = i;
convertedLength = WideCharToMultiByte( 1252, &pstr[start], 1, buf, sizeof(buf));
LONG oldLcid = GpiQueryCharSet(mPS);
GpiSetCharSet(mPS, 1);
doSetupFontAndTextColor = PR_FALSE;
DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
doSetupFontAndTextColor = PR_TRUE;
GpiSetCharSet(mPS, oldLcid);
x+=tWidth;
start++;
} /* endif */
} /* endfor */
} /* endif */
if (createdFont) {
GpiDeleteSetId(mPS, 1);
createdFont = FALSE;
} /* endif */
nsresult rv = NS_OK;
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], aLength-start, buf, sizeof(buf));
DrawString( buf, convertedLength, x, y, aSpacing);
if (((nsFontMetricsOS2*)mFontMetrics)->mCodePage == 1252)
{
for (PRUint32 i = 0; i < aLength; i++)
{
PRUnichar c = pstr[i];
if (c > 0x00FF)
{
if (!createdFont)
{
rv = ((nsFontMetricsOS2*)mFontMetrics)->SetUnicodeFont( mPS, 1 );
if( NS_FAILED(rv) )
continue; // failed to load unicode font; use 'normal' font
else
createdFont = TRUE;
}
if( i-start > 0 )
{
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
x += tWidth;
}
// Group unicode chars together
PRUint32 end = i+1;
while( end < aLength && pstr[end] > 0x00FF )
end++;
convertedLength = WideCharToMultiByte( 1208, &pstr[i], end-i, buf, sizeof(buf));
LONG oldLcid = GpiQueryCharSet(mPS);
GFX (::GpiSetCharSet (mPS, 1), FALSE);
doSetupFont = PR_FALSE;
rv = DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
doSetupFont = PR_TRUE;
GFX (::GpiSetCharSet (mPS, oldLcid), FALSE);
x += tWidth;
start = end;
i = end - 1;
}
} /* endfor */
}
else
{
for (PRUint32 i = 0; i < aLength; i++)
{
PRUnichar c = pstr[i];
if ((c >= 0x0080) && (c <= 0x00FF))
{
if (!createdFont)
{
nsFontHandle fh = nsnull;
if (mFontMetrics)
mFontMetrics->GetFontHandle(fh);
nsFontHandleOS2 *pHandle = (nsFontHandleOS2 *) fh;
FATTRS fattrs = pHandle->fattrs;
fattrs.usCodePage = 1252;
GFX (::GpiCreateLogFont (mPS, 0, 1, &fattrs), GPI_ERROR);
createdFont = TRUE;
}
if( i-start > 0 )
{
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], i-start, buf, sizeof(buf));
DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
x += tWidth;
}
// Group chars together
PRUint32 end = i+1;
while( end < aLength && pstr[end] >= 0x0080 && pstr[end] <= 0x00FF )
end++;
convertedLength = WideCharToMultiByte( 1252, &pstr[i], end-i, buf, sizeof(buf));
LONG oldLcid = GpiQueryCharSet(mPS);
GFX (::GpiSetCharSet (mPS, 1), FALSE);
doSetupFont = PR_FALSE;
rv = DrawString( buf, convertedLength, x, y, aSpacing);
GetWidth((const char*)buf,convertedLength,tWidth);
doSetupFont = PR_TRUE;
GFX (::GpiSetCharSet (mPS, oldLcid), FALSE);
x += tWidth;
start = end;
i = end - 1;
}
} /* endfor */
}
if (createdFont)
{
GpiDeleteSetId(mPS, 1);
createdFont = FALSE;
}
if( aLength-start > 0 )
{
convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, &pstr[start], aLength-start, buf, sizeof(buf));
rv = DrawString( buf, convertedLength, x, y, aSpacing);
}
return rv;
// int convertedLength = WideCharToMultiByte( ((nsFontMetricsOS2*)mFontMetrics)->mCodePage, aString, aLength, buf, sizeof(buf));
// return DrawString( buf, newLength, aX, aY, aSpacing);
@ -1806,10 +1878,10 @@ NS_IMETHODIMP nsRenderingContextOS2::RetrieveCurrentNativeGraphicData(PRUint32*
void nsRenderingContextOS2::SetupFontAndTextColor (void)
{
if (!doSetupFontAndTextColor) {
if (!doSetupFontAndTextColor)
return;
} /* endif */
if (mFontMetrics != mCurrFontMetrics)
if( doSetupFont && mFontMetrics != mCurrFontMetrics )
{
// select font
mCurrFontMetrics = mFontMetrics;