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Unified Diff: Source/core/platform/graphics/win/FontCustomPlatformDataWin.cpp

Issue 99103006: Moving GraphicsContext and dependencies from core to platform. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Final patch - fixes Android Created 7 years ago
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Index: Source/core/platform/graphics/win/FontCustomPlatformDataWin.cpp
diff --git a/Source/core/platform/graphics/win/FontCustomPlatformDataWin.cpp b/Source/core/platform/graphics/win/FontCustomPlatformDataWin.cpp
deleted file mode 100644
index 35aebe0eb40caabea0c65b937c5d49ee1c08aa3d..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/win/FontCustomPlatformDataWin.cpp
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2013 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 "platform/fonts/FontCustomPlatformData.h"
-
-#include "platform/LayoutTestSupport.h"
-#include "platform/SharedBuffer.h"
-#include "core/platform/graphics/FontPlatformData.h"
-#include "core/platform/graphics/opentype/OpenTypeSanitizer.h"
-#include "core/platform/graphics/opentype/OpenTypeUtilities.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/RefPtr.h"
-#include "wtf/text/Base64.h"
-
-#include <objbase.h>
-
-namespace {
-
-// Creates a unique and unpredictable font name, in order to avoid collisions and to
-// not allow access from CSS.
-String createUniqueFontName()
-{
- GUID fontUuid;
- CoCreateGuid(&fontUuid);
-
- String fontName = base64Encode(reinterpret_cast<char*>(&fontUuid), sizeof(fontUuid));
- ASSERT(fontName.length() < LF_FACESIZE);
- return fontName;
-}
-
-} // namespace
-
-namespace WebCore {
-
-FontCustomPlatformData::FontCustomPlatformData(HANDLE fontReference, const String& name)
- : m_fontReference(fontReference)
- , m_name(name)
-{
-}
-
-FontCustomPlatformData::~FontCustomPlatformData()
-{
- if (m_fontReference)
- RemoveFontMemResourceEx(m_fontReference);
-}
-
-FontPlatformData FontCustomPlatformData::fontPlatformData(float size, bool bold, bool italic, FontOrientation orientation, FontWidthVariant)
-{
- ASSERT(m_fontReference);
-
- LOGFONT logFont;
- // m_name comes from createUniqueFontName, which, in turn, gets
- // it from base64-encoded uuid (128-bit). So, m_name
- // can never be longer than LF_FACESIZE (32).
- if (m_name.length() + 1 >= LF_FACESIZE) {
- ASSERT_NOT_REACHED();
- return FontPlatformData();
- }
- unsigned len = m_name.copyTo(logFont.lfFaceName, 0, LF_FACESIZE - 1);
- logFont.lfFaceName[len] = '\0';
-
- // FIXME: almost identical to FillLogFont in FontCacheWin.cpp.
- // Need to refactor.
- logFont.lfHeight = -static_cast<int>(size);
- logFont.lfWidth = 0;
- logFont.lfEscapement = 0;
- logFont.lfOrientation = 0;
- logFont.lfUnderline = false;
- logFont.lfStrikeOut = false;
- logFont.lfCharSet = DEFAULT_CHARSET;
- logFont.lfOutPrecision = OUT_TT_ONLY_PRECIS;
- logFont.lfQuality = isRunningLayoutTest() ? NONANTIALIASED_QUALITY : DEFAULT_QUALITY; // Honor user's desktop settings.
- logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
- logFont.lfItalic = italic;
- logFont.lfWeight = bold ? FW_BOLD : FW_DONTCARE;
-
- HFONT hfont = CreateFontIndirect(&logFont);
- return FontPlatformData(hfont, size, orientation);
-}
-
-PassOwnPtr<FontCustomPlatformData> FontCustomPlatformData::create(SharedBuffer* buffer)
-{
- ASSERT_ARG(buffer, buffer);
-
- OpenTypeSanitizer sanitizer(buffer);
- RefPtr<SharedBuffer> transcodeBuffer = sanitizer.sanitize();
- if (!transcodeBuffer)
- return nullptr; // validation failed.
- buffer = transcodeBuffer.get();
-
- // Introduce the font to GDI. AddFontMemResourceEx should be used with care, because it will pollute the process's
- // font namespace (Windows has no API for creating an HFONT from data without exposing the font to the
- // entire process first).
- String fontName = createUniqueFontName();
- HANDLE fontReference = renameAndActivateFont(buffer, fontName);
- if (!fontReference)
- return nullptr;
-
- return adoptPtr(new FontCustomPlatformData(fontReference, fontName));
-}
-
-bool FontCustomPlatformData::supportsFormat(const String& format)
-{
- return equalIgnoringCase(format, "truetype") || equalIgnoringCase(format, "opentype") || OpenTypeSanitizer::supportsFormat(format);
-}
-
-} // namespace WebCore
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