Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/skia/GlyphPageTreeNodeSkia.cpp

-/*
- * Copyright (c) 2008, 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 "core/platform/graphics/GlyphPageTreeNode.h"
-
-#include "core/platform/graphics/SimpleFontData.h"
-
-#include "SkPaint.h"
-#include "SkTemplates.h"
-#include "SkTypeface.h"
-#include "SkUtils.h"
-
-namespace WebCore {
-
-bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData)
-{
-    if (SkUTF16_IsHighSurrogate(buffer[bufferLength-1])) {
-        SkDebugf("%s last char is high-surrogate", __FUNCTION__);
-        return false;
-    }
-
-    SkAutoSTMalloc<GlyphPage::size, uint16_t> glyphStorage(length);
-
-    uint16_t* glyphs = glyphStorage.get();
-    SkTypeface* typeface = fontData->platformData().typeface();
-    typeface->charsToGlyphs(buffer, SkTypeface::kUTF16_Encoding, glyphs, length);
-
-    unsigned allGlyphs = 0; // track if any of the glyphIDs are non-zero
-    for (unsigned i = 0; i < length; i++) {
-        setGlyphDataForIndex(offset + i, glyphs[i], glyphs[i] ? fontData : NULL);
-        allGlyphs |= glyphs[i];
-    }
-
-    return allGlyphs != 0;
-}
-
-}  // namespace WebCore