Moving GraphicsContext and dependencies from core to platform.

Source/web/linux/WebFontInfo.cpp

Index: Source/web/linux/WebFontInfo.cpp
diff --git a/Source/web/linux/WebFontInfo.cpp b/Source/web/linux/WebFontInfo.cpp
deleted file mode 100644
index 5b5fafcbf55ae76ef799da196d0a5423d66a7dbb..0000000000000000000000000000000000000000
--- a/Source/web/linux/WebFontInfo.cpp
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Copyright (C) 2009 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 "public/platform/linux/WebFontInfo.h"
-
-#include "public/platform/linux/WebFontFamily.h"
-#include "public/platform/linux/WebFontRenderStyle.h"
-#include <fontconfig/fontconfig.h>
-#include <string.h>
-#include <unicode/utf16.h>
-
-namespace blink {
-
-static bool useSubpixelPositioning = false;
-
-void WebFontInfo::setSubpixelPositioning(bool subpixelPositioning)
-{
-    useSubpixelPositioning = subpixelPositioning;
-}
-
-void WebFontInfo::familyForChar(WebUChar32 c, const char* preferredLocale, WebFontFamily* family)
-{
-    FcCharSet* cset = FcCharSetCreate();
-    FcCharSetAddChar(cset, c);
-    FcPattern* pattern = FcPatternCreate();
-
-    FcValue fcvalue;
-    fcvalue.type = FcTypeCharSet;
-    fcvalue.u.c = cset;
-    FcPatternAdd(pattern, FC_CHARSET, fcvalue, FcFalse);
-
-    fcvalue.type = FcTypeBool;
-    fcvalue.u.b = FcTrue;
-    FcPatternAdd(pattern, FC_SCALABLE, fcvalue, FcFalse);
-
-    if (preferredLocale) {
-        FcLangSet* langset = FcLangSetCreate();
-        FcLangSetAdd(langset, reinterpret_cast<const FcChar8 *>(preferredLocale));
-        FcPatternAddLangSet(pattern, FC_LANG, langset);
-        FcLangSetDestroy(langset);
-    }
-
-    FcConfigSubstitute(0, pattern, FcMatchPattern);
-    FcDefaultSubstitute(pattern);
-
-    FcResult result;
-    FcFontSet* fontSet = FcFontSort(0, pattern, 0, 0, &result);
-    FcPatternDestroy(pattern);
-    FcCharSetDestroy(cset);
-
-    if (!fontSet) {
-        family->name = WebCString();
-        family->isBold = false;
-        family->isItalic = false;
-        return;
-    }
-    // Older versions of fontconfig have a bug where they cannot select
-    // only scalable fonts so we have to manually filter the results.
-    for (int i = 0; i < fontSet->nfont; ++i) {
-        FcPattern* current = fontSet->fonts[i];
-        FcBool isScalable;
-
-        if (FcPatternGetBool(current, FC_SCALABLE, 0, &isScalable) != FcResultMatch
-            || !isScalable)
-            continue;
-
-        // fontconfig can also return fonts which are unreadable
-        FcChar8* cFilename;
-        if (FcPatternGetString(current, FC_FILE, 0, &cFilename) != FcResultMatch)
-            continue;
-
-        if (access(reinterpret_cast<char*>(cFilename), R_OK))
-            continue;
-
-        FcChar8* familyName;
-        if (FcPatternGetString(current, FC_FAMILY, 0, &familyName) == FcResultMatch) {
-            const char* charFamily = reinterpret_cast<char*>(familyName);
-            family->name = WebCString(charFamily, strlen(charFamily));
-        }
-        int weight;
-        if (FcPatternGetInteger(current, FC_WEIGHT, 0, &weight) == FcResultMatch)
-            family->isBold = weight >= FC_WEIGHT_BOLD;
-        else
-            family->isBold = false;
-        int slant;
-        if (FcPatternGetInteger(current, FC_SLANT, 0, &slant) == FcResultMatch)
-            family->isItalic = slant != FC_SLANT_ROMAN;
-        else
-            family->isItalic = false;
-        FcFontSetDestroy(fontSet);
-        return;
-    }
-
-    FcFontSetDestroy(fontSet);
-}
-
-void WebFontInfo::renderStyleForStrike(const char* family, int sizeAndStyle, WebFontRenderStyle* out)
-{
-    bool isBold = sizeAndStyle & 1;
-    bool isItalic = sizeAndStyle & 2;
-    int pixelSize = sizeAndStyle >> 2;
-
-    FcPattern* pattern = FcPatternCreate();
-    FcValue fcvalue;
-
-    fcvalue.type = FcTypeString;
-    fcvalue.u.s = reinterpret_cast<const FcChar8 *>(family);
-    FcPatternAdd(pattern, FC_FAMILY, fcvalue, FcFalse);
-
-    fcvalue.type = FcTypeInteger;
-    fcvalue.u.i = isBold ? FC_WEIGHT_BOLD : FC_WEIGHT_NORMAL;
-    FcPatternAdd(pattern, FC_WEIGHT, fcvalue, FcFalse);
-
-    fcvalue.type = FcTypeInteger;
-    fcvalue.u.i = isItalic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN;
-    FcPatternAdd(pattern, FC_SLANT, fcvalue, FcFalse);
-
-    fcvalue.type = FcTypeBool;
-    fcvalue.u.b = FcTrue;
-    FcPatternAdd(pattern, FC_SCALABLE, fcvalue, FcFalse);
-
-    fcvalue.type = FcTypeDouble;
-    fcvalue.u.d = pixelSize;
-    FcPatternAdd(pattern, FC_SIZE, fcvalue, FcFalse);
-
-    FcConfigSubstitute(0, pattern, FcMatchPattern);
-    FcDefaultSubstitute(pattern);
-
-    FcResult result;
-    // Some versions of fontconfig don't actually write a value into result.
-    // However, it's not clear from the documentation if result should be a
-    // non-0 pointer: future versions might expect to be able to write to
-    // it. So we pass in a valid pointer and ignore it.
-    FcPattern* match = FcFontMatch(0, pattern, &result);
-    FcPatternDestroy(pattern);
-
-    out->setDefaults();
-
-    if (!match)
-        return;
-
-    FcBool b;
-    int i;
-
-    if (FcPatternGetBool(match, FC_ANTIALIAS, 0, &b) == FcResultMatch)
-        out->useAntiAlias = b;
-    if (FcPatternGetBool(match, FC_EMBEDDED_BITMAP, 0, &b) == FcResultMatch)
-        out->useBitmaps = b;
-    if (FcPatternGetBool(match, FC_AUTOHINT, 0, &b) == FcResultMatch)
-        out->useAutoHint = b;
-    if (FcPatternGetBool(match, FC_HINTING, 0, &b) == FcResultMatch)
-        out->useHinting = b;
-    if (FcPatternGetInteger(match, FC_HINT_STYLE, 0, &i) == FcResultMatch)
-        out->hintStyle = i;
-    if (FcPatternGetInteger(match, FC_RGBA, 0, &i) == FcResultMatch) {
-        switch (i) {
-        case FC_RGBA_NONE:
-            out->useSubpixelRendering = 0;
-            break;
-        case FC_RGBA_RGB:
-        case FC_RGBA_BGR:
-        case FC_RGBA_VRGB:
-        case FC_RGBA_VBGR:
-            out->useSubpixelRendering = 1;
-            break;
-        default:
-            // This includes FC_RGBA_UNKNOWN.
-            out->useSubpixelRendering = 2;
-            break;
-        }
-    }
-
-    // FontConfig doesn't provide parameters to configure whether subpixel
-    // positioning should be used or not, so we just use a global setting.
-    out->useSubpixelPositioning = useSubpixelPositioning;
-
-    FcPatternDestroy(match);
-}
-
-} // namespace blink