| /* |
| * Copyright (C) 2007-2008, 2013, 2016 Apple Inc. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "FontCustomPlatformData.h" |
| |
| #include "FontCreationContext.h" |
| #include "FontDescription.h" |
| #include "FontMemoryResource.h" |
| #include "FontPlatformData.h" |
| #include "OpenTypeUtilities.h" |
| #include "SharedBuffer.h" |
| #include <cairo-win32.h> |
| #include <wtf/RetainPtr.h> |
| #include <wtf/text/Base64.h> |
| #include <wtf/win/GDIObject.h> |
| |
| namespace WebCore { |
| |
| FontCustomPlatformData::FontCustomPlatformData(const String& name, FontPlatformData::CreationData&& creationData) |
| : name(name) |
| , creationData(WTFMove(creationData)) |
| { |
| } |
| |
| FontCustomPlatformData::~FontCustomPlatformData() = default; |
| |
| FontPlatformData FontCustomPlatformData::fontPlatformData(const FontDescription& fontDescription, bool bold, bool italic, const FontCreationContext&) |
| { |
| int size = fontDescription.computedPixelSize(); |
| FontRenderingMode renderingMode = fontDescription.renderingMode(); |
| |
| LOGFONT logFont; |
| memset(&logFont, 0, sizeof(LOGFONT)); |
| wcsncpy(logFont.lfFaceName, name.wideCharacters().data(), LF_FACESIZE - 1); |
| |
| logFont.lfHeight = -size; |
| if (renderingMode == FontRenderingMode::Normal) |
| logFont.lfHeight *= 32; |
| 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 = CLEARTYPE_QUALITY; |
| logFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE; |
| logFont.lfItalic = italic; |
| logFont.lfWeight = bold ? 700 : 400; |
| |
| auto hfont = adoptGDIObject(::CreateFontIndirect(&logFont)); |
| |
| cairo_font_face_t* fontFace = cairo_win32_font_face_create_for_hfont(hfont.get()); |
| |
| FontPlatformData fontPlatformData(WTFMove(hfont), fontFace, size, bold, italic, &creationData); |
| |
| cairo_font_face_destroy(fontFace); |
| |
| return fontPlatformData; |
| } |
| |
| static String createUniqueFontName() |
| { |
| GUID fontUuid; |
| CoCreateGuid(&fontUuid); |
| |
| auto fontName = base64EncodeToString(reinterpret_cast<char*>(&fontUuid), sizeof(fontUuid)); |
| ASSERT(fontName.length() < LF_FACESIZE); |
| return fontName; |
| } |
| |
| std::unique_ptr<FontCustomPlatformData> createFontCustomPlatformData(SharedBuffer& buffer, const String& itemInCollection) |
| { |
| String fontName = createUniqueFontName(); |
| auto fontResource = renameAndActivateFont(buffer, fontName); |
| |
| if (!fontResource) |
| return nullptr; |
| |
| FontPlatformData::CreationData creationData = { buffer, itemInCollection, fontResource.releaseNonNull() }; |
| return makeUnique<FontCustomPlatformData>(fontName, WTFMove(creationData)); |
| } |
| |
| bool FontCustomPlatformData::supportsFormat(const String& format) |
| { |
| return equalLettersIgnoringASCIICase(format, "truetype"_s) |
| || equalLettersIgnoringASCIICase(format, "opentype"_s) |
| #if USE(WOFF2) |
| || equalLettersIgnoringASCIICase(format, "woff2"_s) |
| #endif |
| || equalLettersIgnoringASCIICase(format, "woff"_s); |
| } |
| |
| } |