Use platform/chromium from third_party/WebKit, etc.

R=dglazkov

Review URL: http://codereview.chromium.org/16217

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@7405 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 338 deletions

diff --git a/webkit/port/platform/graphics/chromium/FontUtilsChromiumWin.cpp b/webkit/port/platform/graphics/chromium/FontUtilsChromiumWin.cpp
deleted file mode 100644
index 3128259..0000000
--- a/webkit/port/platform/graphics/chromium/FontUtilsChromiumWin.cpp
+++ /dev/null
@@ -1,338 +0,0 @@
-// Copyright (c) 2006-2008, Google Inc. All rights reserved.
-// 
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-// 
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-// 
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include "config.h"
-#include "FontUtilsChromiumWin.h"
-
-#include <limits>
-
-#include "PlatformString.h"
-#include "StringHash.h"
-#include "UniscribeHelper.h"
-#include <unicode/locid.h>
-#include <unicode/uchar.h>
-#include <wtf/HashMap.h>
-
-namespace WebCore {
-
-namespace {
-
-// A simple mapping from UScriptCode to family name.  This is a sparse array,
-// which works well since the range of UScriptCode values is small.
-typedef const UChar* ScriptToFontMap[USCRIPT_CODE_LIMIT];
-
-void initializeScriptFontMap(ScriptToFontMap& scriptFontMap)
-{
-    struct FontMap {
-        UScriptCode script;
-        const UChar* family;
-    };
-
-    const static FontMap fontMap[] = {
-        {USCRIPT_LATIN, L"times new roman"},
-        {USCRIPT_GREEK, L"times new roman"},
-        {USCRIPT_CYRILLIC, L"times new roman"},
-        {USCRIPT_SIMPLIFIED_HAN, L"simsun"},
-        //{USCRIPT_TRADITIONAL_HAN, L"pmingliu"},
-        {USCRIPT_HIRAGANA, L"ms pgothic"},
-        {USCRIPT_KATAKANA, L"ms pgothic"},
-        {USCRIPT_KATAKANA_OR_HIRAGANA, L"ms pgothic"},
-        {USCRIPT_HANGUL, L"gulim"},
-        {USCRIPT_THAI, L"tahoma"},
-        {USCRIPT_HEBREW, L"david"},
-        {USCRIPT_ARABIC, L"tahoma"},
-        {USCRIPT_DEVANAGARI, L"mangal"},
-        {USCRIPT_BENGALI, L"vrinda"},
-        {USCRIPT_GURMUKHI, L"raavi"},
-        {USCRIPT_GUJARATI, L"shruti"},
-        {USCRIPT_ORIYA, L"kalinga"},
-        {USCRIPT_TAMIL, L"latha"},
-        {USCRIPT_TELUGU, L"gautami"},
-        {USCRIPT_KANNADA, L"tunga"},
-        {USCRIPT_MALAYALAM, L"kartika"},
-        {USCRIPT_LAO, L"dokchampa"},
-        {USCRIPT_TIBETAN, L"microsoft himalaya"},
-        {USCRIPT_GEORGIAN, L"sylfaen"},
-        {USCRIPT_ARMENIAN, L"sylfaen"},
-        {USCRIPT_ETHIOPIC, L"nyala"},
-        {USCRIPT_CANADIAN_ABORIGINAL, L"euphemia"},
-        {USCRIPT_CHEROKEE, L"plantagenet cherokee"},
-        {USCRIPT_YI, L"microsoft yi balti"},
-        {USCRIPT_SINHALA, L"iskoola pota"},
-        {USCRIPT_SYRIAC, L"estrangelo edessa"},
-        {USCRIPT_KHMER, L"daunpenh"},
-        {USCRIPT_THAANA, L"mv boli"},
-        {USCRIPT_MONGOLIAN, L"mongolian balti"},
-        {USCRIPT_MYANMAR, L"padauk"},
-        // For USCRIPT_COMMON, we map blocks to scripts when
-        // that makes sense.
-    };
-    
-    for (int i = 0; i < sizeof(fontMap) / sizeof(fontMap[0]); ++i)
-        scriptFontMap[fontMap[i].script] = fontMap[i].family;
-
-    // Initialize the locale-dependent mapping.
-    // Since Chrome synchronizes the ICU default locale with its UI locale,
-    // this ICU locale tells the current UI locale of Chrome.
-    Locale locale = Locale::getDefault();
-    const UChar* localeFamily = NULL;
-    if (locale == Locale::getJapanese()) {
-        localeFamily = scriptFontMap[USCRIPT_HIRAGANA];
-    } else if (locale == Locale::getKorean()) {
-        localeFamily = scriptFontMap[USCRIPT_HANGUL];
-    } else {
-        // Use Simplified Chinese font for all other locales including
-        // Traditional Chinese because Simsun (SC font) has a wider
-        // coverage (covering both SC and TC) than PMingLiu (TC font).
-        // This also speeds up the TC version of Chrome when rendering SC
-        // pages.
-        localeFamily = scriptFontMap[USCRIPT_SIMPLIFIED_HAN];
-    }
-    if (localeFamily)
-        scriptFontMap[USCRIPT_HAN] = localeFamily;
-}
-
-const int kUndefinedAscent = std::numeric_limits<int>::min();
-
-// Given an HFONT, return the ascent. If GetTextMetrics fails,
-// kUndefinedAscent is returned, instead.
-int getAscent(HFONT hfont)
-{
-    HDC dc = GetDC(NULL);
-    HGDIOBJ oldFont = SelectObject(dc, hfont);
-    TEXTMETRIC tm;
-    BOOL gotMetrics = GetTextMetrics(dc, &tm);
-    SelectObject(dc, oldFont);
-    ReleaseDC(NULL, dc);
-    return gotMetrics ? tm.tmAscent : kUndefinedAscent;
-}
-
-struct FontData {
-    FontData() : hfont(NULL), ascent(kUndefinedAscent), scriptCache(NULL) {}
-    HFONT hfont;
-    int ascent;
-    mutable SCRIPT_CACHE scriptCache;
-};
-
-// Again, using hash_map does not earn us much here.  page_cycler_test intl2
-// gave us a 'better' result with map than with hash_map even though they're
-// well-within 1-sigma of each other so that the difference is not significant.
-// On the other hand, some pages in intl2 seem to take longer to load with map
-// in the 1st pass. Need to experiment further.
-typedef HashMap<String, FontData> FontDataCache;
-
-}  // namespace
-
-// TODO(jungshik) : this is font fallback code version 0.1
-//  - Cover all the scripts
-//  - Get the default font for each script/generic family from the
-//    preference instead of hardcoding in the source.
-//    (at least, read values from the registry for IE font settings).
-//  - Support generic families (from FontDescription)
-//  - If the default font for a script is not available,
-//    try some more fonts known to support it. Finally, we can
-//    use EnumFontFamilies or similar APIs to come up with a list of
-//    fonts supporting the script and cache the result.
-//  - Consider using UnicodeSet (or UnicodeMap) converted from
-//    GLYPHSET (BMP) or directly read from truetype cmap tables to
-//    keep track of which character is supported by which font
-//  - Update script_font_cache in response to WM_FONTCHANGE
-
-const UChar* getFontFamilyForScript(UScriptCode script,
-                                    FontDescription::GenericFamilyType generic)
-{
-    static ScriptToFontMap scriptFontMap;
-    static bool initialized = false;
-    if (!initialized) {
-        initializeScriptFontMap(scriptFontMap);
-        initialized = true;
-    }
-    if (script == USCRIPT_INVALID_CODE)
-        return NULL;
-    ASSERT(script < USCRIPT_CODE_LIMIT);
-    return scriptFontMap[script];
-}
-
-// TODO(jungshik)
-//  - Handle 'Inherited', 'Common' and 'Unknown'
-//    (see http://www.unicode.org/reports/tr24/#Usage_Model )
-//    For 'Inherited' and 'Common', perhaps we need to
-//    accept another parameter indicating the previous family
-//    and just return it.
-//  - All the characters (or characters up to the point a single
-//    font can cover) need to be taken into account
-const UChar* getFallbackFamily(const UChar *characters,
-                               int length,
-                               FontDescription::GenericFamilyType generic,
-                               UChar32 *charChecked,
-                               UScriptCode *scriptChecked)
-{
-    ASSERT(characters && characters[0] && length > 0);
-    UScriptCode script = USCRIPT_COMMON;
-
-    // Sometimes characters common to script (e.g. space) is at
-    // the beginning of a string so that we need to skip them
-    // to get a font required to render the string.
-    int i = 0;
-    UChar32 ucs4 = 0;
-    while (i < length && script == USCRIPT_COMMON ||
-           script == USCRIPT_INVALID_CODE) {
-        U16_NEXT(characters, i, length, ucs4);
-        UErrorCode err = U_ZERO_ERROR;
-        script = uscript_getScript(ucs4, &err);
-        // silently ignore the error
-    }
-
-    // hack for full width ASCII. For the full-width ASCII, use the font
-    // for Han (which is locale-dependent).
-    if (0xFF00 < ucs4 && ucs4 < 0xFF5F)
-        script = USCRIPT_HAN;
-
-    // There are a lot of characters in USCRIPT_COMMON that can be covered
-    // by fonts for scripts closely related to them. See
-    // http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:Script=Common:]
-    // TODO(jungshik): make this more efficient with a wider coverage
-    if (script == USCRIPT_COMMON || script == USCRIPT_INHERITED) {
-        UBlockCode block = ublock_getCode(ucs4);
-        switch (block) {
-        case UBLOCK_BASIC_LATIN:
-            script = USCRIPT_LATIN;
-            break;
-        case UBLOCK_CJK_SYMBOLS_AND_PUNCTUATION:
-            script = USCRIPT_HAN;
-            break;
-        case UBLOCK_HIRAGANA:
-        case UBLOCK_KATAKANA:
-            script = USCRIPT_HIRAGANA;
-            break;
-        case UBLOCK_ARABIC:
-            script = USCRIPT_ARABIC;
-            break;
-        case UBLOCK_GREEK:
-            script = USCRIPT_GREEK;
-            break;
-        case UBLOCK_DEVANAGARI:
-            // For Danda and Double Danda (U+0964, U+0965), use a Devanagari
-            // font for now although they're used by other scripts as well.
-            // Without a context, we can't do any better.
-            script = USCRIPT_DEVANAGARI;
-            break;
-        case UBLOCK_ARMENIAN:
-            script = USCRIPT_ARMENIAN;
-            break;
-        case UBLOCK_GEORGIAN:
-            script = USCRIPT_GEORGIAN;
-            break;
-        case UBLOCK_KANNADA:
-            script = USCRIPT_KANNADA;
-            break;
-        }
-    }
-
-    // Another lame work-around to cover non-BMP characters.
-    const UChar* family = getFontFamilyForScript(script, generic);
-    if (!family) {
-        int plane = ucs4 >> 16;
-        switch (plane) {
-        case 1:
-            family = L"code2001";
-            break;
-        case 2:
-            family = L"simsun-extb";
-            break;
-        default:
-            family = L"lucida sans unicode";
-        }
-    }
-
-    if (charChecked)
-        *charChecked = ucs4;
-    if (scriptChecked)
-        *scriptChecked = script;
-    return family;
-}
-
-// Be aware that this is not thread-safe.
-bool getDerivedFontData(const UChar *family,
-                        int style,
-                        LOGFONT *logfont,
-                        int *ascent,
-                        HFONT *hfont,
-                        SCRIPT_CACHE **scriptCache) {
-    ASSERT(logfont && family && *family);
-
-    // It does not matter that we leak font data when we exit.
-    static FontDataCache fontDataCache;
-
-    // TODO(jungshik) : This comes up pretty high in the profile so that
-    // we need to measure whether using SHA256 (after coercing all the
-    // fields to char*) is faster than String::format.
-    String fontKey = String::format("%1d:%d:%ls", style, logfont->lfHeight, family);
-    FontDataCache::iterator iter = fontDataCache.find(fontKey);
-    FontData *derived;
-    if (iter == fontDataCache.end()) {
-        ASSERT(wcslen(family) < LF_FACESIZE);
-        wcscpy_s(logfont->lfFaceName, LF_FACESIZE, family);
-        // TODO(jungshik): CreateFontIndirect always comes up with
-        // a font even if there's no font matching the name. Need to
-        // check it against what we actually want (as is done in
-        // FontCacheWin.cpp)
-        pair<FontDataCache::iterator, bool> entry = fontDataCache.add(fontKey, FontData());
-        derived = &entry.first->second;
-        derived->hfont = CreateFontIndirect(logfont);
-        // GetAscent may return kUndefinedAscent, but we still want to
-        // cache it so that we won't have to call CreateFontIndirect once
-        // more for HFONT next time.
-        derived->ascent = getAscent(derived->hfont);
-    } else {
-        derived = &iter->second;
-        // Last time, GetAscent failed so that only HFONT was
-        // cached. Try once more assuming that TryPreloadFont
-        // was called by a caller between calls.
-        if (kUndefinedAscent == derived->ascent)
-            derived->ascent = getAscent(derived->hfont);
-    }
-    *hfont = derived->hfont;
-    *ascent = derived->ascent;
-    *scriptCache = &(derived->scriptCache);
-    return *ascent != kUndefinedAscent;
-}
-
-int getStyleFromLogfont(const LOGFONT* logfont) {
-    // TODO(jungshik) : consider defining UNDEFINED or INVALID for style and
-    //                  returning it when logfont is NULL
-    if (!logfont) {
-        ASSERT_NOT_REACHED();
-        return FontStyleNormal;
-    }
-    return (logfont->lfItalic ? FontStyleItalic : FontStyleNormal) |
-           (logfont->lfUnderline ? FontStyleUnderlined : FontStyleNormal) |
-           (logfont->lfWeight >= 700 ? FontStyleBold : FontStyleNormal);
-}
-
-}  // namespace WebCore