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gecko/gfx/thebes/src/gfxWindowsPlatform.cpp

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Foundation code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2005
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stuart Parmenter <stuart@mozilla.com>
* Vladimir Vukicevic <vladimir@pobox.com>
* Masayuki Nakano <masayuki@d-toybox.com>
* Masatoshi Kimura <VYV03354@nifty.ne.jp>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "gfxWindowsPlatform.h"
#include "gfxImageSurface.h"
#include "gfxWindowsSurface.h"
#include "nsUnicharUtils.h"
#include "nsIPrefService.h"
#include "nsIPrefBranch2.h"
#include "nsServiceManagerUtils.h"
#include "nsTArray.h"
#include "nsIWindowsRegKey.h"
#include "nsILocalFile.h"
#include "plbase64.h"
#ifdef MOZ_FT2_FONTS
#include "ft2build.h"
#include FT_FREETYPE_H
#include "gfxFT2Fonts.h"
#include "cairo-ft.h"
#else
#include "gfxWindowsFonts.h"
#endif
#ifdef WINCE
#include <shlwapi.h>
#endif
#include "gfxUserFontSet.h"
#include <string>
#ifdef MOZ_FT2_FONTS
static FT_Library gPlatformFTLibrary = NULL;
#endif
// font info loader constants
static const PRUint32 kDelayBeforeLoadingCmaps = 8 * 1000; // 8secs
static const PRUint32 kIntervalBetweenLoadingCmaps = 150; // 150ms
static const PRUint32 kNumFontsPerSlice = 10; // read in info 10 fonts at a time
static __inline void
BuildKeyNameFromFontName(nsAString &aName)
{
if (aName.Length() >= LF_FACESIZE)
aName.Truncate(LF_FACESIZE - 1);
ToLowerCase(aName);
}
class gfxWindowsPlatformPrefObserver : public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
};
NS_IMPL_ISUPPORTS1(gfxWindowsPlatformPrefObserver, nsIObserver)
NS_IMETHODIMP
gfxWindowsPlatformPrefObserver::Observe(nsISupports *aSubject,
const char *aTopic,
const PRUnichar *aData)
{
NS_ASSERTION(!strcmp(aTopic, NS_PREFBRANCH_PREFCHANGE_TOPIC_ID), "invalid topic");
// XXX this could be made to only clear out the cache for the prefs that were changed
// but it probably isn't that big a deal.
gfxWindowsPlatform::GetPlatform()->ClearPrefFonts();
return NS_OK;
}
gfxWindowsPlatform::gfxWindowsPlatform()
: mStartIndex(0), mIncrement(kNumFontsPerSlice), mNumFamilies(0)
{
mFonts.Init(200);
mFontAliases.Init(20);
mFontSubstitutes.Init(50);
mPrefFonts.Init(10);
#ifdef MOZ_FT2_FONTS
FT_Init_FreeType(&gPlatformFTLibrary);
#else
FontEntry::InitializeFontEmbeddingProcs();
#endif
UpdateFontList();
gfxWindowsPlatformPrefObserver *observer = new gfxWindowsPlatformPrefObserver();
if (observer) {
nsCOMPtr<nsIPrefBranch2> pref = do_GetService(NS_PREFSERVICE_CONTRACTID);
if (pref) {
pref->AddObserver("font.", observer, PR_FALSE);
pref->AddObserver("font.name-list.", observer, PR_FALSE);
pref->AddObserver("intl.accept_languages", observer, PR_FALSE);
// don't bother unregistering. We'll get shutdown after the pref service
} else {
delete observer;
}
}
}
gfxWindowsPlatform::~gfxWindowsPlatform()
{
// not calling FT_Done_FreeType because cairo may still hold references to
// these FT_Faces. See bug 458169.
}
already_AddRefed<gfxASurface>
gfxWindowsPlatform::CreateOffscreenSurface(const gfxIntSize& size,
gfxASurface::gfxImageFormat imageFormat)
{
#ifndef WINCE
gfxASurface *surf = new gfxWindowsSurface(size, imageFormat);
#else
gfxASurface *surf = new gfxImageSurface(size, imageFormat);
#endif
NS_IF_ADDREF(surf);
return surf;
}
int CALLBACK
gfxWindowsPlatform::FontEnumProc(const ENUMLOGFONTEXW *lpelfe,
const NEWTEXTMETRICEXW *nmetrics,
DWORD fontType, LPARAM data)
{
FontTable *ht = reinterpret_cast<FontTable*>(data);
const NEWTEXTMETRICW& metrics = nmetrics->ntmTm;
const LOGFONTW& logFont = lpelfe->elfLogFont;
// Ignore vertical fonts
if (logFont.lfFaceName[0] == L'@')
return 1;
nsAutoString name(logFont.lfFaceName);
BuildKeyNameFromFontName(name);
nsRefPtr<FontFamily> ff;
if (!ht->Get(name, &ff)) {
ff = new FontFamily(nsDependentString(logFont.lfFaceName));
ht->Put(name, ff);
}
return 1;
}
// general cmap reading routines moved to gfxFontUtils.cpp
struct FontListData {
FontListData(const nsACString& aLangGroup, const nsACString& aGenericFamily, nsTArray<nsString>& aListOfFonts) :
mLangGroup(aLangGroup), mGenericFamily(aGenericFamily), mStringArray(aListOfFonts) {}
const nsACString& mLangGroup;
const nsACString& mGenericFamily;
nsTArray<nsString>& mStringArray;
};
PLDHashOperator
gfxWindowsPlatform::HashEnumFunc(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aFontFamily,
void* userArg)
{
FontListData *data = (FontListData*)userArg;
// use the first variation for now. This data should be the same
// for all the variations and should probably be moved up to
// the Family
gfxFontStyle style;
style.langGroup = data->mLangGroup;
nsRefPtr<FontEntry> aFontEntry = aFontFamily->FindFontEntry(style);
NS_ASSERTION(aFontEntry, "couldn't find any font entry in family");
if (!aFontEntry)
return PL_DHASH_NEXT;
#ifndef MOZ_FT2_FONTS
/* skip symbol fonts */
if (aFontEntry->mSymbolFont)
return PL_DHASH_NEXT;
if (aFontEntry->SupportsLangGroup(data->mLangGroup) &&
aFontEntry->MatchesGenericFamily(data->mGenericFamily))
#endif
data->mStringArray.AppendElement(aFontFamily->Name());
return PL_DHASH_NEXT;
}
nsresult
gfxWindowsPlatform::GetFontList(const nsACString& aLangGroup,
const nsACString& aGenericFamily,
nsTArray<nsString>& aListOfFonts)
{
FontListData data(aLangGroup, aGenericFamily, aListOfFonts);
mFonts.Enumerate(gfxWindowsPlatform::HashEnumFunc, &data);
aListOfFonts.Sort();
aListOfFonts.Compact();
return NS_OK;
}
static void
RemoveCharsetFromFontSubstitute(nsAString &aName)
{
PRInt32 comma = aName.FindChar(PRUnichar(','));
if (comma >= 0)
aName.Truncate(comma);
}
#ifdef MOZ_FT2_FONTS
void gfxWindowsPlatform::AppendFacesFromFontFile(const PRUnichar *aFileName) {
char fileName[MAX_PATH];
WideCharToMultiByte(CP_ACP, 0, aFileName, -1, fileName, MAX_PATH, NULL, NULL);
FT_Face dummy;
if (FT_Err_Ok == FT_New_Face(GetFTLibrary(), fileName, -1, &dummy)) {
for (FT_Long i = 0; i < dummy->num_faces; i++) {
FT_Face face;
if (FT_Err_Ok != FT_New_Face(GetFTLibrary(), fileName,
i, &face))
continue;
FontEntry* fe = FontEntry::CreateFontEntryFromFace(face);
if (fe) {
NS_ConvertUTF8toUTF16 name(face->family_name);
BuildKeyNameFromFontName(name);
nsRefPtr<FontFamily> ff;
if (!mFonts.Get(name, &ff)) {
ff = new FontFamily(name);
mFonts.Put(name, ff);
}
ff->mFaces.AppendElement(fe);
}
}
FT_Done_Face(dummy);
}
}
void
gfxWindowsPlatform::FindFonts()
{
nsTArray<nsString> searchPaths(2);
nsTArray<nsString> fontPatterns(2);
fontPatterns.AppendElement(NS_LITERAL_STRING("\\*.ttf"));
fontPatterns.AppendElement(NS_LITERAL_STRING("\\*.otf"));
wchar_t pathBuf[256];
SHGetSpecialFolderPathW(0, pathBuf, CSIDL_WINDOWS, 0);
searchPaths.AppendElement(pathBuf);
SHGetSpecialFolderPathW(0, pathBuf, CSIDL_FONTS, 0);
searchPaths.AppendElement(pathBuf);
WIN32_FIND_DATAW results;
for (PRUint32 i = 0; i < searchPaths.Length(); i++) {
const nsString& path(searchPaths[i]);
for (PRUint32 j = 0; j < fontPatterns.Length(); j++) {
nsAutoString pattern(path);
pattern.Append(fontPatterns[j]);
HANDLE handle = FindFirstFileExW(pattern.get(),
FindExInfoStandard,
&results,
FindExSearchNameMatch,
NULL,
0);
PRBool moreFiles = handle != INVALID_HANDLE_VALUE;
while (moreFiles) {
nsAutoString filePath(path);
filePath.AppendLiteral("\\");
filePath.Append(results.cFileName);
AppendFacesFromFontFile(static_cast<const PRUnichar*>(filePath.get()));
moreFiles = FindNextFile(handle, &results);
}
if (handle != INVALID_HANDLE_VALUE)
FindClose(handle);
}
}
}
#endif
nsresult
gfxWindowsPlatform::UpdateFontList()
{
gfxFontCache *fc = gfxFontCache::GetCache();
if (fc)
fc->AgeAllGenerations();
mFonts.Clear();
mFontAliases.Clear();
mNonExistingFonts.Clear();
mFontSubstitutes.Clear();
mPrefFonts.Clear();
mCodepointsWithNoFonts.reset();
CancelLoader();
#ifdef MOZ_FT2_FONTS
FindFonts();
#else
LOGFONTW logFont;
logFont.lfCharSet = DEFAULT_CHARSET;
logFont.lfFaceName[0] = 0;
logFont.lfPitchAndFamily = 0;
// Use the screen DC here.. should we use something else for printing?
HDC dc = ::GetDC(nsnull);
EnumFontFamiliesExW(dc, &logFont, (FONTENUMPROCW)gfxWindowsPlatform::FontEnumProc, (LPARAM)&mFonts, 0);
::ReleaseDC(nsnull, dc);
#endif
// initialize the cmap loading process after font list has been initialized
StartLoader(kDelayBeforeLoadingCmaps, kIntervalBetweenLoadingCmaps);
// Create the list of FontSubstitutes
nsCOMPtr<nsIWindowsRegKey> regKey = do_CreateInstance("@mozilla.org/windows-registry-key;1");
if (!regKey)
return NS_ERROR_FAILURE;
NS_NAMED_LITERAL_STRING(kFontSubstitutesKey, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\FontSubstitutes");
nsresult rv = regKey->Open(nsIWindowsRegKey::ROOT_KEY_LOCAL_MACHINE,
kFontSubstitutesKey, nsIWindowsRegKey::ACCESS_READ);
if (NS_FAILED(rv))
return rv;
PRUint32 count;
rv = regKey->GetValueCount(&count);
if (NS_FAILED(rv) || count == 0)
return rv;
for (PRUint32 i = 0; i < count; i++) {
nsAutoString substituteName;
rv = regKey->GetValueName(i, substituteName);
if (NS_FAILED(rv) || substituteName.IsEmpty() ||
substituteName.CharAt(1) == PRUnichar('@'))
continue;
PRUint32 valueType;
rv = regKey->GetValueType(substituteName, &valueType);
if (NS_FAILED(rv) || valueType != nsIWindowsRegKey::TYPE_STRING)
continue;
nsAutoString actualFontName;
rv = regKey->ReadStringValue(substituteName, actualFontName);
if (NS_FAILED(rv))
continue;
RemoveCharsetFromFontSubstitute(substituteName);
BuildKeyNameFromFontName(substituteName);
RemoveCharsetFromFontSubstitute(actualFontName);
BuildKeyNameFromFontName(actualFontName);
nsRefPtr<FontFamily> ff;
if (!actualFontName.IsEmpty() && mFonts.Get(actualFontName, &ff))
mFontSubstitutes.Put(substituteName, ff);
else
mNonExistingFonts.AppendElement(substituteName);
}
// initialize ranges of characters for which system-wide font search should be skipped
mCodepointsWithNoFonts.SetRange(0,0x1f); // C0 controls
mCodepointsWithNoFonts.SetRange(0x7f,0x9f); // C1 controls
InitBadUnderlineList();
return NS_OK;
}
struct FontFamilyListData {
FontFamilyListData(nsTArray<nsRefPtr<FontFamily> >& aFamilyArray)
: mFamilyArray(aFamilyArray)
{}
static PLDHashOperator AppendFamily(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aFamilyEntry,
void *aUserArg)
{
FontFamilyListData *data = (FontFamilyListData*)aUserArg;
data->mFamilyArray.AppendElement(aFamilyEntry);
return PL_DHASH_NEXT;
}
nsTArray<nsRefPtr<FontFamily> >& mFamilyArray;
};
void
gfxWindowsPlatform::GetFontFamilyList(nsTArray<nsRefPtr<FontFamily> >& aFamilyArray)
{
FontFamilyListData data(aFamilyArray);
mFonts.Enumerate(FontFamilyListData::AppendFamily, &data);
}
static PRBool SimpleResolverCallback(const nsAString& aName, void* aClosure)
{
nsString *result = static_cast<nsString*>(aClosure);
result->Assign(aName);
return PR_FALSE;
}
void
gfxWindowsPlatform::InitBadUnderlineList()
{
// Only windows fonts have mIsBadUnderlineFontFamily flag
#ifndef MOZ_FT2_FONTS
nsAutoTArray<nsString, 10> blacklist;
gfxFontUtils::GetPrefsFontList("font.blacklist.underline_offset", blacklist);
PRUint32 numFonts = blacklist.Length();
for (PRUint32 i = 0; i < numFonts; i++) {
PRBool aborted;
nsAutoString resolved;
ResolveFontName(blacklist[i], SimpleResolverCallback, &resolved, aborted);
if (resolved.IsEmpty())
continue;
FontFamily *ff = FindFontFamily(resolved);
if (!ff)
continue;
ff->mIsBadUnderlineFontFamily = 1;
}
#endif
}
nsresult
gfxWindowsPlatform::GetStandardFamilyName(const nsAString& aFontName, nsAString& aFamilyName)
{
aFamilyName.Truncate();
PRBool aborted;
return ResolveFontName(aFontName, SimpleResolverCallback, &aFamilyName, aborted);
}
struct ResolveData {
ResolveData(gfxPlatform::FontResolverCallback aCallback,
gfxWindowsPlatform *aCaller, const nsAString *aFontName,
void *aClosure) :
mFoundCount(0), mCallback(aCallback), mCaller(aCaller),
mFontName(aFontName), mClosure(aClosure) {}
PRUint32 mFoundCount;
gfxPlatform::FontResolverCallback mCallback;
gfxWindowsPlatform *mCaller;
const nsAString *mFontName;
void *mClosure;
};
nsresult
gfxWindowsPlatform::ResolveFontName(const nsAString& aFontName,
FontResolverCallback aCallback,
void *aClosure,
PRBool& aAborted)
{
if (aFontName.IsEmpty())
return NS_ERROR_FAILURE;
nsAutoString keyName(aFontName);
BuildKeyNameFromFontName(keyName);
nsRefPtr<FontFamily> ff;
if (mFonts.Get(keyName, &ff) ||
mFontSubstitutes.Get(keyName, &ff) ||
mFontAliases.Get(keyName, &ff)) {
aAborted = !(*aCallback)(ff->Name(), aClosure);
// XXX If the font has font link, we should add the linked font.
return NS_OK;
}
if (mNonExistingFonts.Contains(keyName)) {
aAborted = PR_FALSE;
return NS_OK;
}
LOGFONTW logFont;
logFont.lfCharSet = DEFAULT_CHARSET;
logFont.lfPitchAndFamily = 0;
PRInt32 len = aFontName.Length();
if (len >= LF_FACESIZE)
len = LF_FACESIZE - 1;
memcpy(logFont.lfFaceName,
nsPromiseFlatString(aFontName).get(), len * sizeof(PRUnichar));
logFont.lfFaceName[len] = 0;
HDC dc = ::GetDC(nsnull);
ResolveData data(aCallback, this, &keyName, aClosure);
aAborted = !EnumFontFamiliesExW(dc, &logFont,
(FONTENUMPROCW)gfxWindowsPlatform::FontResolveProc,
(LPARAM)&data, 0);
if (data.mFoundCount == 0)
mNonExistingFonts.AppendElement(keyName);
::ReleaseDC(nsnull, dc);
return NS_OK;
}
int CALLBACK
gfxWindowsPlatform::FontResolveProc(const ENUMLOGFONTEXW *lpelfe,
const NEWTEXTMETRICEXW *nmetrics,
DWORD fontType, LPARAM data)
{
const LOGFONTW& logFont = lpelfe->elfLogFont;
// Ignore vertical fonts
if (logFont.lfFaceName[0] == L'@' || logFont.lfFaceName[0] == 0)
return 1;
ResolveData *rData = reinterpret_cast<ResolveData*>(data);
nsAutoString name(logFont.lfFaceName);
// Save the alias name to cache
nsRefPtr<FontFamily> ff;
nsAutoString keyName(name);
BuildKeyNameFromFontName(keyName);
if (!rData->mCaller->mFonts.Get(keyName, &ff)) {
// This case only occurs on failing to build
// the list of font substitue. In this case, the user should
// reboot the Windows. Probably, we don't have the good way for
// resolving in this time.
NS_WARNING("Cannot find actual font");
return 1;
}
rData->mFoundCount++;
rData->mCaller->mFontAliases.Put(*(rData->mFontName), ff);
return (rData->mCallback)(name, rData->mClosure);
// XXX If the font has font link, we should add the linked font.
}
struct FontSearch {
FontSearch(PRUint32 aCh, gfxFont *aFont) :
ch(aCh), fontToMatch(aFont), matchRank(-1) {
}
PRUint32 ch;
nsRefPtr<gfxFont> fontToMatch;
PRInt32 matchRank;
nsRefPtr<FontEntry> bestMatch;
};
PLDHashOperator
gfxWindowsPlatform::FindFontForCharProc(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aFontFamily,
void* userArg)
{
FontSearch *data = (FontSearch*)userArg;
const PRUint32 ch = data->ch;
nsRefPtr<FontEntry> fe = aFontFamily->FindFontEntry(*data->fontToMatch->GetStyle());
NS_ASSERTION(fe, "couldn't find any font entry in family");
if (!fe)
return PL_DHASH_NEXT;
PRInt32 rank = 0;
#ifndef MOZ_FT2_FONTS
// skip over non-unicode and bitmap fonts and fonts that don't have
// the code point we're looking for
if (fe->IsCrappyFont() || !fe->mCharacterMap.test(ch))
return PL_DHASH_NEXT;
// fonts that claim to support the range are more
// likely to be "better fonts" than ones that don't... (in theory)
if (fe->SupportsRange(gfxFontUtils::CharRangeBit(ch)))
rank += 1;
if (fe->SupportsLangGroup(data->fontToMatch->GetStyle()->langGroup))
rank += 2;
FontEntry* mfe = static_cast<FontEntry*>(data->fontToMatch->GetFontEntry());
if (fe->mWindowsFamily == mfe->mWindowsFamily)
rank += 3;
if (fe->mWindowsPitch == mfe->mWindowsPitch)
rank += 3;
#endif
/* italic */
const PRBool italic = (data->fontToMatch->GetStyle()->style != FONT_STYLE_NORMAL);
if (fe->mItalic != italic)
rank += 3;
/* weight */
PRInt8 baseWeight, weightDistance;
data->fontToMatch->GetStyle()->ComputeWeightAndOffset(&baseWeight, &weightDistance);
if (fe->mWeight == (baseWeight * 100) + (weightDistance * 100))
rank += 2;
else if (fe->mWeight == data->fontToMatch->GetFontEntry()->mWeight)
rank += 1;
if (rank > data->matchRank ||
(rank == data->matchRank && Compare(fe->Name(), data->bestMatch->Name()) > 0)) {
data->bestMatch = fe;
data->matchRank = rank;
}
return PL_DHASH_NEXT;
}
already_AddRefed<gfxFont>
gfxWindowsPlatform::FindFontForChar(PRUint32 aCh, gfxFont *aFont)
{
// is codepoint with no matching font? return null immediately
if (mCodepointsWithNoFonts.test(aCh)) {
return nsnull;
}
FontSearch data(aCh, aFont);
// find fonts that support the character
mFonts.Enumerate(gfxWindowsPlatform::FindFontForCharProc, &data);
if (data.bestMatch) {
#ifdef MOZ_FT2_FONTS
nsRefPtr<gfxFT2Font> font =
gfxFT2Font::GetOrMakeFont(data.bestMatch->mName,
aFont->GetStyle());
gfxFont* ret = font.forget().get();
return already_AddRefed<gfxFont>(ret);
#else
nsRefPtr<gfxWindowsFont> font =
gfxWindowsFont::GetOrMakeFont(data.bestMatch, aFont->GetStyle());
if (font->IsValid()) {
gfxFont* ret = font.forget().get();
return already_AddRefed<gfxFont>(ret);
}
#endif
return nsnull;
}
// no match? add to set of non-matching codepoints
mCodepointsWithNoFonts.set(aCh);
return nsnull;
}
gfxFontGroup *
gfxWindowsPlatform::CreateFontGroup(const nsAString &aFamilies,
const gfxFontStyle *aStyle,
gfxUserFontSet *aUserFontSet)
{
#ifdef MOZ_FT2_FONTS
return new gfxFT2FontGroup(aFamilies, aStyle);
#else
return new gfxWindowsFontGroup(aFamilies, aStyle, aUserFontSet);
#endif
}
struct FullFontNameSearch {
FullFontNameSearch(const nsAString& aFullName)
: mFound(PR_FALSE), mFullName(aFullName), mDC(nsnull), mFontEntry(nsnull)
{ }
PRPackedBool mFound;
nsString mFullName;
nsString mFamilyName;
HDC mDC;
gfxFontEntry *mFontEntry;
};
#ifndef MOZ_FT2_FONTS
// callback called for each face within a single family
// match against elfFullName
static int CALLBACK
FindFullNameForFace(const ENUMLOGFONTEXW *lpelfe,
const NEWTEXTMETRICEXW *nmetrics,
DWORD fontType, LPARAM userArg)
{
FullFontNameSearch *data = reinterpret_cast<FullFontNameSearch*>(userArg);
// does the full name match?
if (!data->mFullName.Equals(nsDependentString(lpelfe->elfFullName)))
return 1; // continue
// found match, create a new font entry
data->mFound = PR_TRUE;
const NEWTEXTMETRICW& metrics = nmetrics->ntmTm;
LOGFONTW logFont = lpelfe->elfLogFont;
// Some fonts claim to support things > 900, but we don't so clamp the sizes
logFont.lfWeight = PR_MAX(PR_MIN(logFont.lfWeight, 900), 100);
gfxWindowsFontType feType = FontEntry::DetermineFontType(metrics, fontType);
data->mFontEntry = FontEntry::CreateFontEntry(data->mFamilyName, feType, (logFont.lfItalic == 0xFF), (PRUint16) (logFont.lfWeight), nsnull, data->mDC, &logFont);
return 0; // stop iteration
}
#endif
// callback called for each family name, based on the assumption that the
// first part of the full name is the family name
static PLDHashOperator
FindFullName(nsStringHashKey::KeyType aKey,
nsRefPtr<FontFamily>& aFontFamily,
void* userArg)
{
FullFontNameSearch *data = reinterpret_cast<FullFontNameSearch*>(userArg);
// does the family name match up to the length of the family name?
const nsString& family = aFontFamily->Name();
nsString fullNameFamily;
data->mFullName.Left(fullNameFamily, family.Length());
// if so, iterate over faces in this family to see if there is a match
if (family.Equals(fullNameFamily)) {
#ifdef MOZ_FT2_FONTS
int len = aFontFamily->mFaces.Length();
int index = 0;
for (; index < len &&
!aFontFamily->mFaces[index]->Name().Equals(data->mFullName); index++);
if (index < len) {
data->mFound = PR_TRUE;
data->mFontEntry = aFontFamily->mFaces[index];
}
#else
HDC hdc;
if (!data->mDC) {
data->mDC= GetDC(nsnull);
SetGraphicsMode(data->mDC, GM_ADVANCED);
}
hdc = data->mDC;
LOGFONTW logFont;
memset(&logFont, 0, sizeof(LOGFONTW));
logFont.lfCharSet = DEFAULT_CHARSET;
logFont.lfPitchAndFamily = 0;
PRUint32 l = PR_MIN(family.Length(), LF_FACESIZE - 1);
memcpy(logFont.lfFaceName,
nsPromiseFlatString(family).get(),
l * sizeof(PRUnichar));
logFont.lfFaceName[l] = 0;
data->mFamilyName.Assign(family);
EnumFontFamiliesExW(hdc, &logFont, (FONTENUMPROCW)FindFullNameForFace, (LPARAM)data, 0);
#endif
}
if (data->mFound)
return PL_DHASH_STOP;
return PL_DHASH_NEXT;
}
gfxFontEntry*
gfxWindowsPlatform::LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
const nsAString& aFontName)
{
#ifdef MOZ_FT2_FONTS
// walk over list of names
FullFontNameSearch data(aFontName);
// find fonts that support the character
mFonts.Enumerate(FindFullName, &data);
if (data.mDC)
ReleaseDC(nsnull, data.mDC);
return data.mFontEntry;
#else
return FontEntry::LoadLocalFont(*aProxyEntry, aFontName);
#endif
}
gfxFontEntry*
gfxWindowsPlatform::MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
nsISupports *aLoader,
const PRUint8 *aFontData, PRUint32 aLength)
{
#ifdef MOZ_FT2_FONTS
return FontEntry::CreateFontEntry(*aProxyEntry, aLoader, aFontData, aLength);
#else
return FontEntry::LoadFont(*aProxyEntry, aLoader, aFontData, aLength);
#endif
}
PRBool
gfxWindowsPlatform::IsFontFormatSupported(nsIURI *aFontURI, PRUint32 aFormatFlags)
{
// check for strange format flags
NS_ASSERTION(!(aFormatFlags & gfxUserFontSet::FLAG_FORMAT_NOT_USED),
"strange font format hint set");
// accept supported formats
if (aFormatFlags & (gfxUserFontSet::FLAG_FORMAT_OPENTYPE |
gfxUserFontSet::FLAG_FORMAT_TRUETYPE)) {
return PR_TRUE;
}
// reject all other formats, known and unknown
if (aFormatFlags != 0) {
return PR_FALSE;
}
// no format hint set, need to look at data
return PR_TRUE;
}
FontFamily *
gfxWindowsPlatform::FindFontFamily(const nsAString& aName)
{
nsAutoString name(aName);
BuildKeyNameFromFontName(name);
nsRefPtr<FontFamily> ff;
if (!mFonts.Get(name, &ff) &&
!mFontSubstitutes.Get(name, &ff) &&
!mFontAliases.Get(name, &ff)) {
return nsnull;
}
return ff.get();
}
FontEntry *
gfxWindowsPlatform::FindFontEntry(const nsAString& aName, const gfxFontStyle& aFontStyle)
{
nsRefPtr<FontFamily> ff = FindFontFamily(aName);
if (!ff)
return nsnull;
return ff->FindFontEntry(aFontStyle);
}
qcms_profile*
gfxWindowsPlatform::GetPlatformCMSOutputProfile()
{
#ifndef MOZ_FT2_FONTS
WCHAR str[1024+1];
DWORD size = 1024;
HDC dc = GetDC(nsnull);
GetICMProfileW(dc, &size, (LPWSTR)&str);
ReleaseDC(nsnull, dc);
qcms_profile* profile =
qcms_profile_from_path(NS_ConvertUTF16toUTF8(str).get());
#ifdef DEBUG_tor
if (profile)
fprintf(stderr,
"ICM profile read from %s successfully\n",
NS_ConvertUTF16toUTF8(str).get());
#endif
return profile;
#else
return nsnull;
#endif
}
PRBool
gfxWindowsPlatform::GetPrefFontEntries(const nsCString& aKey, nsTArray<nsRefPtr<FontEntry> > *array)
{
return mPrefFonts.Get(aKey, array);
}
void
gfxWindowsPlatform::SetPrefFontEntries(const nsCString& aKey, nsTArray<nsRefPtr<FontEntry> >& array)
{
mPrefFonts.Put(aKey, array);
}
void
gfxWindowsPlatform::InitLoader()
{
GetFontFamilyList(mFontFamilies);
mStartIndex = 0;
mNumFamilies = mFontFamilies.Length();
}
PRBool
gfxWindowsPlatform::RunLoader()
{
PRUint32 i, endIndex = ( mStartIndex + mIncrement < mNumFamilies ? mStartIndex + mIncrement : mNumFamilies );
#ifndef MOZ_FT2_FONTS
// for each font family, load in various font info
for (i = mStartIndex; i < endIndex; i++) {
// load the cmaps for all variations
mFontFamilies[i]->FindStyleVariations();
}
#endif
mStartIndex += mIncrement;
if (mStartIndex < mNumFamilies)
return PR_FALSE;
return PR_TRUE;
}
void
gfxWindowsPlatform::FinishLoader()
{
mFontFamilies.Clear();
mNumFamilies = 0;
}
#ifdef MOZ_FT2_FONTS
FT_Library
gfxWindowsPlatform::GetFTLibrary()
{
return gPlatformFTLibrary;
}
#endif
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