| /* |
| * Copyright (C) 2005, 2006, 2012 Apple Inc. All rights reserved. |
| * Copyright (C) 2006 Alexey Proskuryakov |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "Font.h" |
| |
| #include <CoreText/CoreText.h> |
| #include <pal/spi/cf/CoreTextSPI.h> |
| |
| namespace WebCore { |
| |
| RetainPtr<CFDictionaryRef> Font::getCFStringAttributes(bool enableKerning, FontOrientation orientation, const AtomString& locale) const |
| { |
| CFTypeRef keys[5]; |
| CFTypeRef values[5]; |
| |
| keys[0] = kCTFontAttributeName; |
| values[0] = platformData().ctFont(); |
| size_t count = 1; |
| |
| #if USE(CTFONTSHAPEGLYPHS) |
| RetainPtr<CFStringRef> localeString; |
| if (!locale.isEmpty()) { |
| localeString = locale.string().createCFString(); |
| keys[count] = kCTLanguageAttributeName; |
| values[count] = localeString.get(); |
| ++count; |
| } |
| #else |
| UNUSED_PARAM(locale); |
| #endif |
| static CTParagraphStyleRef paragraphStyle = [] { |
| auto paragraphStyle = CTParagraphStyleCreate(nullptr, 0); |
| CTParagraphStyleSetCompositionLanguage(paragraphStyle, kCTCompositionLanguageNone); |
| return paragraphStyle; |
| }(); |
| keys[count] = kCTParagraphStyleAttributeName; |
| values[count] = paragraphStyle; |
| ++count; |
| |
| if (!enableKerning) { |
| const float zero = 0; |
| static NeverDestroyed<RetainPtr<CFNumberRef>> zeroKerningValue = adoptCF(CFNumberCreate(kCFAllocatorDefault, kCFNumberFloatType, &zero)); |
| keys[count] = kCTKernAttributeName; |
| values[count] = zeroKerningValue.get().get(); |
| ++count; |
| } |
| |
| if (orientation == FontOrientation::Vertical) { |
| keys[count] = kCTVerticalFormsAttributeName; |
| values[count] = kCFBooleanTrue; |
| ++count; |
| } |
| |
| ASSERT(count <= WTF_ARRAY_LENGTH(keys)); |
| |
| return adoptCF(CFDictionaryCreate(kCFAllocatorDefault, keys, values, count, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks)); |
| } |
| |
| } // namespace WebCore |