| /* |
| * Copyright 2020 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkTypes.h" |
| |
| #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) |
| |
| #include "include/core/SkData.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/private/SkOnce.h" |
| #include "src/sfnt/SkOTTable_OS_2.h" |
| #include "src/sfnt/SkSFNTHeader.h" |
| #include "src/utils/mac/SkCTFont.h" |
| #include "src/utils/mac/SkUniqueCFRef.h" |
| |
| #ifdef SK_BUILD_FOR_MAC |
| #import <ApplicationServices/ApplicationServices.h> |
| #endif |
| |
| #ifdef SK_BUILD_FOR_IOS |
| #include <CoreText/CoreText.h> |
| #include <CoreText/CTFontManager.h> |
| #include <CoreGraphics/CoreGraphics.h> |
| #include <CoreFoundation/CoreFoundation.h> |
| #endif |
| |
| #include <dlfcn.h> |
| |
| static constexpr CGBitmapInfo kBitmapInfoRGB = ((CGBitmapInfo)kCGImageAlphaNoneSkipFirst | |
| kCGBitmapByteOrder32Host); |
| |
| /** Drawn in FontForge, reduced with fonttools ttx, converted by xxd -i, |
| * this TrueType font contains a glyph of the spider. |
| * |
| * To re-forge the original bytes of the TrueType font file, |
| * remove all ',|( +0x)' from this definition, |
| * copy the data to the clipboard, |
| * run 'pbpaste | xxd -p -r - spider.ttf'. |
| */ |
| static constexpr const uint8_t kSpiderSymbol_ttf[] = { |
| 0x00, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x80, 0x00, 0x03, 0x00, 0x40, |
| 0x47, 0x44, 0x45, 0x46, 0x00, 0x14, 0x00, 0x14, 0x00, 0x00, 0x07, 0xa8, |
| 0x00, 0x00, 0x00, 0x18, 0x4f, 0x53, 0x2f, 0x32, 0x8a, 0xf4, 0xfb, 0xdb, |
| 0x00, 0x00, 0x01, 0x48, 0x00, 0x00, 0x00, 0x60, 0x63, 0x6d, 0x61, 0x70, |
| 0xe0, 0x7f, 0x10, 0x7e, 0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x54, |
| 0x67, 0x61, 0x73, 0x70, 0xff, 0xff, 0x00, 0x03, 0x00, 0x00, 0x07, 0xa0, |
| 0x00, 0x00, 0x00, 0x08, 0x67, 0x6c, 0x79, 0x66, 0x97, 0x0b, 0x6a, 0xf6, |
| 0x00, 0x00, 0x02, 0x18, 0x00, 0x00, 0x03, 0x40, 0x68, 0x65, 0x61, 0x64, |
| 0x0f, 0xa2, 0x24, 0x1a, 0x00, 0x00, 0x00, 0xcc, 0x00, 0x00, 0x00, 0x36, |
| 0x68, 0x68, 0x65, 0x61, 0x0e, 0xd3, 0x07, 0x3f, 0x00, 0x00, 0x01, 0x04, |
| 0x00, 0x00, 0x00, 0x24, 0x68, 0x6d, 0x74, 0x78, 0x10, 0x03, 0x00, 0x44, |
| 0x00, 0x00, 0x01, 0xa8, 0x00, 0x00, 0x00, 0x0e, 0x6c, 0x6f, 0x63, 0x61, |
| 0x01, 0xb4, 0x00, 0x28, 0x00, 0x00, 0x02, 0x0c, 0x00, 0x00, 0x00, 0x0a, |
| 0x6d, 0x61, 0x78, 0x70, 0x00, 0x4a, 0x01, 0x4d, 0x00, 0x00, 0x01, 0x28, |
| 0x00, 0x00, 0x00, 0x20, 0x6e, 0x61, 0x6d, 0x65, 0xc3, 0xe5, 0x39, 0xd4, |
| 0x00, 0x00, 0x05, 0x58, 0x00, 0x00, 0x02, 0x28, 0x70, 0x6f, 0x73, 0x74, |
| 0xff, 0x03, 0x00, 0x67, 0x00, 0x00, 0x07, 0x80, 0x00, 0x00, 0x00, 0x20, |
| 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x0b, 0x0f, 0x08, 0x1d, |
| 0x5f, 0x0f, 0x3c, 0xf5, 0x00, 0x0b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0xd1, 0x97, 0xa8, 0x5a, 0x00, 0x00, 0x00, 0x00, 0xd6, 0xe8, 0x32, 0x33, |
| 0x00, 0x03, 0xff, 0x3b, 0x08, 0x00, 0x05, 0x55, 0x00, 0x00, 0x00, 0x08, |
| 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, |
| 0x05, 0x55, 0xff, 0x3b, 0x01, 0x79, 0x08, 0x00, 0x00, 0x03, 0x00, 0x00, |
| 0x08, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, |
| 0x00, 0x04, 0x01, 0x1c, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, |
| 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x40, 0x00, 0x2e, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x08, 0x00, 0x01, 0x90, 0x00, 0x05, |
| 0x00, 0x00, 0x05, 0x33, 0x05, 0x99, 0x00, 0x00, 0x01, 0x1e, 0x05, 0x33, |
| 0x05, 0x99, 0x00, 0x00, 0x03, 0xd7, 0x00, 0x66, 0x02, 0x12, 0x00, 0x00, |
| 0x05, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x73, 0x6b, 0x69, 0x61, 0x00, 0xc0, 0x00, 0x00, 0xf0, 0x21, |
| 0x06, 0x66, 0xfe, 0x66, 0x01, 0x79, 0x05, 0x55, 0x00, 0xc5, 0x80, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x20, 0x00, 0x01, 0x08, 0x00, 0x00, 0x44, 0x00, 0x00, 0x00, 0x00, |
| 0x08, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x04, 0x00, 0x48, |
| 0x00, 0x00, 0x00, 0x0e, 0x00, 0x08, 0x00, 0x02, 0x00, 0x06, 0x00, 0x00, |
| 0x00, 0x09, 0x00, 0x0d, 0x00, 0x1d, 0x00, 0x21, 0xf0, 0x21, 0xff, 0xff, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x0d, 0x00, 0x1d, 0x00, 0x21, |
| 0xf0, 0x21, 0xff, 0xff, 0x00, 0x01, 0xff, 0xf9, 0xff, 0xf5, 0xff, 0xe4, |
| 0xff, 0xe2, 0x0f, 0xe2, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, |
| 0x00, 0x14, 0x00, 0x14, 0x01, 0xa0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x44, |
| 0x00, 0x00, 0x02, 0x64, 0x05, 0x55, 0x00, 0x03, 0x00, 0x07, 0x00, 0x00, |
| 0x33, 0x11, 0x21, 0x11, 0x25, 0x21, 0x11, 0x21, 0x44, 0x02, 0x20, 0xfe, |
| 0x24, 0x01, 0x98, 0xfe, 0x68, 0x05, 0x55, 0xfa, 0xab, 0x44, 0x04, 0xcd, |
| 0x00, 0x04, 0x00, 0x03, 0xff, 0x3b, 0x08, 0x00, 0x05, 0x4c, 0x00, 0x15, |
| 0x00, 0x1d, 0x00, 0x25, 0x01, 0x1b, 0x00, 0x00, 0x01, 0x36, 0x37, 0x36, |
| 0x27, 0x26, 0x07, 0x06, 0x06, 0x23, 0x22, 0x27, 0x26, 0x27, 0x26, 0x07, |
| 0x06, 0x17, 0x16, 0x17, 0x16, 0x32, 0x37, 0x32, 0x35, 0x34, 0x23, 0x22, |
| 0x15, 0x14, 0x27, 0x32, 0x35, 0x34, 0x23, 0x22, 0x15, 0x14, 0x03, 0x32, |
| 0x17, 0x30, 0x17, 0x31, 0x36, 0x37, 0x36, 0x37, 0x36, 0x37, 0x36, 0x33, |
| 0x32, 0x33, 0x16, 0x33, 0x32, 0x17, 0x16, 0x07, 0x06, 0x23, 0x22, 0x27, |
| 0x26, 0x27, 0x26, 0x23, 0x22, 0x07, 0x07, 0x06, 0x07, 0x06, 0x07, 0x06, |
| 0x1f, 0x02, 0x37, 0x36, 0x37, 0x36, 0x33, 0x32, 0x17, 0x17, 0x16, 0x33, |
| 0x16, 0x17, 0x16, 0x07, 0x06, 0x23, 0x22, 0x27, 0x27, 0x26, 0x23, 0x22, |
| 0x07, 0x06, 0x07, 0x06, 0x17, 0x16, 0x17, 0x16, 0x33, 0x32, 0x33, 0x32, |
| 0x37, 0x36, 0x37, 0x36, 0x17, 0x16, 0x1f, 0x02, 0x16, 0x17, 0x16, 0x15, |
| 0x14, 0x23, 0x22, 0x27, 0x27, 0x26, 0x27, 0x27, 0x26, 0x27, 0x26, 0x07, |
| 0x06, 0x07, 0x06, 0x17, 0x16, 0x17, 0x16, 0x15, 0x14, 0x07, 0x06, 0x07, |
| 0x06, 0x23, 0x22, 0x27, 0x26, 0x07, 0x06, 0x07, 0x06, 0x15, 0x14, 0x17, |
| 0x16, 0x17, 0x16, 0x15, 0x14, 0x07, 0x06, 0x23, 0x22, 0x27, 0x26, 0x27, |
| 0x26, 0x35, 0x34, 0x37, 0x36, 0x37, 0x36, 0x37, 0x34, 0x27, 0x26, 0x07, |
| 0x06, 0x07, 0x06, 0x0f, 0x02, 0x06, 0x23, 0x22, 0x27, 0x26, 0x35, 0x34, |
| 0x37, 0x37, 0x36, 0x37, 0x36, 0x37, 0x36, 0x37, 0x36, 0x27, 0x26, 0x27, |
| 0x26, 0x07, 0x06, 0x07, 0x06, 0x07, 0x06, 0x07, 0x07, 0x06, 0x23, 0x22, |
| 0x27, 0x26, 0x35, 0x34, 0x37, 0x36, 0x37, 0x37, 0x36, 0x37, 0x37, 0x36, |
| 0x37, 0x36, 0x37, 0x36, 0x35, 0x34, 0x27, 0x26, 0x27, 0x26, 0x27, 0x26, |
| 0x23, 0x22, 0x07, 0x06, 0x07, 0x06, 0x07, 0x06, 0x27, 0x26, 0x27, 0x26, |
| 0x27, 0x26, 0x35, 0x34, 0x37, 0x36, 0x37, 0x36, 0x37, 0x36, 0x33, 0x32, |
| 0x17, 0x16, 0x33, 0x32, 0x37, 0x36, 0x35, 0x34, 0x37, 0x36, 0x37, 0x36, |
| 0x33, 0x04, 0xf5, 0x23, 0x13, 0x11, 0x14, 0x16, 0x1d, 0x1b, 0x4c, 0x1f, |
| 0x0e, 0x2d, 0x23, 0x14, 0x2c, 0x13, 0x18, 0x25, 0x2c, 0x10, 0x3c, 0x71, |
| 0x1d, 0x5c, 0x5c, 0x3f, 0xae, 0x5c, 0x5c, 0x3f, 0x6a, 0x27, 0x31, 0x5b, |
| 0x09, 0x27, 0x36, 0x03, 0x0a, 0x26, 0x35, 0x2e, 0x09, 0x08, 0xc6, 0x13, |
| 0x81, 0x17, 0x20, 0x18, 0x21, 0x1e, 0x04, 0x04, 0x15, 0x5c, 0x22, 0x26, |
| 0x48, 0x56, 0x3b, 0x10, 0x21, 0x01, 0x0c, 0x06, 0x06, 0x0f, 0x31, 0x44, |
| 0x3c, 0x52, 0x4a, 0x1d, 0x11, 0x3f, 0xb4, 0x71, 0x01, 0x26, 0x06, 0x0d, |
| 0x15, 0x1a, 0x2a, 0x13, 0x53, 0xaa, 0x42, 0x1d, 0x0a, 0x33, 0x20, 0x21, |
| 0x2b, 0x01, 0x02, 0x3e, 0x21, 0x09, 0x02, 0x02, 0x0f, 0x2d, 0x4b, 0x0a, |
| 0x22, 0x15, 0x20, 0x1f, 0x72, 0x8b, 0x2d, 0x2f, 0x1d, 0x1f, 0x0e, 0x25, |
| 0x3f, 0x4d, 0x1b, 0x63, 0x2a, 0x2c, 0x14, 0x22, 0x18, 0x1c, 0x0f, 0x08, |
| 0x2a, 0x08, 0x08, 0x0d, 0x3b, 0x4c, 0x52, 0x74, 0x27, 0x71, 0x2e, 0x01, |
| 0x0c, 0x10, 0x15, 0x0d, 0x06, 0x0d, 0x05, 0x01, 0x06, 0x2c, 0x28, 0x14, |
| 0x1b, 0x05, 0x04, 0x10, 0x06, 0x12, 0x08, 0x0a, 0x16, 0x27, 0x03, 0x0d, |
| 0x30, 0x4c, 0x4c, 0x4b, 0x1f, 0x0b, 0x22, 0x26, 0x0d, 0x15, 0x0d, 0x2d, |
| 0x68, 0x34, 0x14, 0x3c, 0x25, 0x12, 0x04, 0x10, 0x18, 0x0b, 0x09, 0x30, |
| 0x2b, 0x44, 0x66, 0x14, 0x47, 0x47, 0x59, 0x73, 0x25, 0x05, 0x03, 0x1f, |
| 0x01, 0x08, 0x3f, 0x48, 0x4b, 0x4b, 0x76, 0x2f, 0x49, 0x2d, 0x22, 0x24, |
| 0x0c, 0x15, 0x08, 0x0e, 0x33, 0x03, 0x44, 0x4c, 0x10, 0x46, 0x13, 0x1f, |
| 0x27, 0x1b, 0x1d, 0x13, 0x02, 0x24, 0x08, 0x02, 0x42, 0x0e, 0x4d, 0x3c, |
| 0x19, 0x1b, 0x40, 0x2b, 0x2b, 0x1e, 0x16, 0x11, 0x04, 0x1f, 0x11, 0x04, |
| 0x18, 0x11, 0x35, 0x01, 0xa3, 0x13, 0x24, 0x1f, 0x0b, 0x0c, 0x19, 0x19, |
| 0x18, 0x13, 0x0f, 0x0c, 0x1a, 0x18, 0x1f, 0x19, 0x1e, 0x07, 0x1a, 0xc3, |
| 0x54, 0x51, 0x54, 0x51, 0x04, 0x53, 0x51, 0x54, 0x50, 0x02, 0x48, 0x1a, |
| 0x31, 0x18, 0x55, 0x74, 0x04, 0x0e, 0x09, 0x0d, 0x06, 0x10, 0x16, 0x1b, |
| 0x24, 0x01, 0x04, 0x0b, 0x04, 0x10, 0x3f, 0x0a, 0x41, 0x02, 0x41, 0x20, |
| 0x06, 0x12, 0x16, 0x21, 0x17, 0x2a, 0x1e, 0x15, 0x40, 0x27, 0x11, 0x0e, |
| 0x1e, 0x11, 0x15, 0x1f, 0x43, 0x13, 0x1a, 0x10, 0x15, 0x1b, 0x04, 0x09, |
| 0x4d, 0x2a, 0x0f, 0x19, 0x0a, 0x0a, 0x03, 0x05, 0x15, 0x3c, 0x64, 0x21, |
| 0x4b, 0x2e, 0x21, 0x28, 0x13, 0x47, 0x44, 0x19, 0x3f, 0x11, 0x18, 0x0b, |
| 0x0a, 0x07, 0x18, 0x0d, 0x07, 0x24, 0x2c, 0x2b, 0x21, 0x32, 0x10, 0x48, |
| 0x2a, 0x2d, 0x1e, 0x1a, 0x01, 0x0c, 0x43, 0x59, 0x28, 0x4e, 0x1c, 0x0d, |
| 0x5d, 0x24, 0x14, 0x0a, 0x05, 0x1f, 0x24, 0x32, 0x46, 0x3e, 0x5f, 0x3e, |
| 0x44, 0x1a, 0x30, 0x15, 0x0d, 0x07, 0x18, 0x2b, 0x03, 0x0d, 0x1a, 0x28, |
| 0x28, 0x57, 0xb2, 0x29, 0x27, 0x40, 0x2c, 0x23, 0x16, 0x63, 0x58, 0x1a, |
| 0x0a, 0x18, 0x11, 0x23, 0x08, 0x1b, 0x29, 0x05, 0x04, 0x0b, 0x15, 0x0d, |
| 0x14, 0x0b, 0x2a, 0x29, 0x5a, 0x62, 0x01, 0x19, 0x1e, 0x05, 0x05, 0x26, |
| 0x42, 0x42, 0x2a, 0x2a, 0x3f, 0x0d, 0x0f, 0x09, 0x05, 0x07, 0x01, 0x0b, |
| 0x25, 0x3e, 0x0d, 0x17, 0x11, 0x01, 0x03, 0x0d, 0x13, 0x20, 0x19, 0x11, |
| 0x03, 0x02, 0x01, 0x04, 0x11, 0x04, 0x05, 0x1b, 0x3d, 0x10, 0x29, 0x20, |
| 0x04, 0x04, 0x0a, 0x07, 0x04, 0x1f, 0x15, 0x20, 0x3e, 0x0f, 0x2a, 0x1e, |
| 0x00, 0x00, 0x00, 0x1b, 0x01, 0x4a, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x1b, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x01, 0x00, 0x0c, 0x00, 0x1b, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x02, 0x00, 0x07, 0x00, 0x27, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x03, 0x00, 0x0c, 0x00, 0x1b, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x04, 0x00, 0x0c, 0x00, 0x1b, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x05, 0x00, 0x02, 0x00, 0x2e, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x06, 0x00, 0x0c, 0x00, 0x1b, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x0d, 0x00, 0x1b, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x0e, 0x00, 0x1a, 0x00, 0x30, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x00, 0x00, 0x36, 0x00, 0x4a, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x01, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x02, 0x00, 0x0e, 0x00, 0x98, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x03, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x04, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x05, 0x00, 0x04, 0x00, 0xa6, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x06, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x0d, 0x00, 0x36, 0x00, 0x4a, 0x00, 0x03, 0x00, 0x00, 0x04, 0x09, |
| 0x00, 0x0e, 0x00, 0x34, 0x00, 0xaa, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x00, 0x00, 0x36, 0x00, 0x4a, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x01, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x02, 0x00, 0x0e, 0x00, 0x98, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x03, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x04, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x05, 0x00, 0x04, 0x00, 0xa6, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x06, 0x00, 0x18, 0x00, 0x80, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x0d, 0x00, 0x36, 0x00, 0x4a, 0x00, 0x03, 0x00, 0x01, 0x04, 0x09, |
| 0x00, 0x0e, 0x00, 0x34, 0x00, 0xaa, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, |
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| 0x00, 0x32, 0x00, 0x30, 0x00, 0x31, 0x00, 0x35, 0x00, 0x2c, 0x00, 0x20, |
| 0x00, 0x47, 0x00, 0x6f, 0x00, 0x6f, 0x00, 0x67, 0x00, 0x6c, 0x00, 0x65, |
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| 0x00, 0x72, 0x00, 0x67, 0x00, 0x2f, 0x00, 0x4f, 0x00, 0x46, 0x00, 0x4c, |
| 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x66, |
| 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
| 0xff, 0xff, 0x00, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x0c, 0x00, 0x14, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, |
| 0x00, 0x02, 0x00, 0x00 |
| }; |
| |
| /** |
| * There does not appear to be a publicly accessible API for determining if lcd |
| * font smoothing will be applied if we request it. The main issue is that if |
| * smoothing is applied a gamma of 2.0 will be used, if not a gamma of 1.0. |
| */ |
| SkCTFontSmoothBehavior SkCTFontGetSmoothBehavior() { |
| static SkCTFontSmoothBehavior gSmoothBehavior = []{ |
| uint32_t noSmoothBitmap[16][16] = {}; |
| uint32_t smoothBitmap[16][16] = {}; |
| |
| SkUniqueCFRef<CGColorSpaceRef> colorspace(CGColorSpaceCreateDeviceRGB()); |
| SkUniqueCFRef<CGContextRef> noSmoothContext( |
| CGBitmapContextCreate(&noSmoothBitmap, 16, 16, 8, 16*4, |
| colorspace.get(), kBitmapInfoRGB)); |
| SkUniqueCFRef<CGContextRef> smoothContext( |
| CGBitmapContextCreate(&smoothBitmap, 16, 16, 8, 16*4, |
| colorspace.get(), kBitmapInfoRGB)); |
| |
| SkUniqueCFRef<CFDataRef> data(CFDataCreateWithBytesNoCopy( |
| kCFAllocatorDefault, kSpiderSymbol_ttf, SK_ARRAY_COUNT(kSpiderSymbol_ttf), |
| kCFAllocatorNull)); |
| SkUniqueCFRef<CTFontDescriptorRef> desc( |
| CTFontManagerCreateFontDescriptorFromData(data.get())); |
| SkUniqueCFRef<CTFontRef> ctFont(CTFontCreateWithFontDescriptor(desc.get(), 16, nullptr)); |
| SkASSERT(ctFont); |
| |
| CGContextSetShouldSmoothFonts(noSmoothContext.get(), false); |
| CGContextSetShouldAntialias(noSmoothContext.get(), true); |
| CGContextSetTextDrawingMode(noSmoothContext.get(), kCGTextFill); |
| CGContextSetGrayFillColor(noSmoothContext.get(), 1, 1); |
| |
| CGContextSetShouldSmoothFonts(smoothContext.get(), true); |
| CGContextSetShouldAntialias(smoothContext.get(), true); |
| CGContextSetTextDrawingMode(smoothContext.get(), kCGTextFill); |
| CGContextSetGrayFillColor(smoothContext.get(), 1, 1); |
| |
| CGPoint point = CGPointMake(0, 3); |
| CGGlyph spiderGlyph = 3; |
| CTFontDrawGlyphs(ctFont.get(), &spiderGlyph, &point, 1, noSmoothContext.get()); |
| CTFontDrawGlyphs(ctFont.get(), &spiderGlyph, &point, 1, smoothContext.get()); |
| |
| // For debugging. |
| //SkUniqueCFRef<CGImageRef> image(CGBitmapContextCreateImage(noSmoothContext())); |
| //SkUniqueCFRef<CGImageRef> image(CGBitmapContextCreateImage(smoothContext())); |
| |
| SkCTFontSmoothBehavior smoothBehavior = SkCTFontSmoothBehavior::none; |
| for (int x = 0; x < 16; ++x) { |
| for (int y = 0; y < 16; ++y) { |
| uint32_t smoothPixel = smoothBitmap[x][y]; |
| uint32_t r = (smoothPixel >> 16) & 0xFF; |
| uint32_t g = (smoothPixel >> 8) & 0xFF; |
| uint32_t b = (smoothPixel >> 0) & 0xFF; |
| if (r != g || r != b) { |
| return SkCTFontSmoothBehavior::subpixel; |
| } |
| if (noSmoothBitmap[x][y] != smoothPixel) { |
| smoothBehavior = SkCTFontSmoothBehavior::some; |
| } |
| } |
| } |
| return smoothBehavior; |
| }(); |
| return gSmoothBehavior; |
| } |
| |
| SkCTFontWeightMapping& SkCTFontGetNSFontWeightMapping() { |
| // In the event something goes wrong finding the real values, use this mapping. |
| static constexpr CGFloat defaultNSFontWeights[] = |
| { -1.00, -0.80, -0.60, -0.40, 0.00, 0.23, 0.30, 0.40, 0.56, 0.62, 1.00 }; |
| |
| // Declarations in <AppKit/AppKit.h> on macOS, <UIKit/UIKit.h> on iOS |
| #ifdef SK_BUILD_FOR_MAC |
| # define SK_KIT_FONT_WEIGHT_PREFIX "NS" |
| #endif |
| #ifdef SK_BUILD_FOR_IOS |
| # define SK_KIT_FONT_WEIGHT_PREFIX "UI" |
| #endif |
| static constexpr const char* nsFontWeightNames[] = { |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightUltraLight", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightThin", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightLight", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightRegular", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightMedium", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightSemibold", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightBold", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightHeavy", |
| SK_KIT_FONT_WEIGHT_PREFIX "FontWeightBlack", |
| }; |
| static_assert(SK_ARRAY_COUNT(nsFontWeightNames) == 9, ""); |
| |
| static CGFloat nsFontWeights[11]; |
| static const CGFloat (*selectedNSFontWeights)[11] = &defaultNSFontWeights; |
| static SkOnce once; |
| once([&] { |
| size_t i = 0; |
| nsFontWeights[i++] = -1.00; |
| for (const char* nsFontWeightName : nsFontWeightNames) { |
| void* nsFontWeightValuePtr = dlsym(RTLD_DEFAULT, nsFontWeightName); |
| if (nsFontWeightValuePtr) { |
| nsFontWeights[i++] = *(static_cast<CGFloat*>(nsFontWeightValuePtr)); |
| } else { |
| return; |
| } |
| } |
| nsFontWeights[i++] = 1.00; |
| selectedNSFontWeights = &nsFontWeights; |
| }); |
| return *selectedNSFontWeights; |
| } |
| |
| SkCTFontWeightMapping& SkCTFontGetDataFontWeightMapping() { |
| // In the event something goes wrong finding the real values, use this mapping. |
| // These were the values from macOS 10.13 to 10.15. |
| static constexpr CGFloat defaultDataFontWeights[] = |
| { -1.00, -0.70, -0.50, -0.23, 0.00, 0.20, 0.30, 0.40, 0.60, 0.80, 1.00 }; |
| |
| static const CGFloat (*selectedDataFontWeights)[11] = &defaultDataFontWeights; |
| static CGFloat dataFontWeights[11]; |
| static SkOnce once; |
| once([&] { |
| constexpr size_t dataSize = SK_ARRAY_COUNT(kSpiderSymbol_ttf); |
| sk_sp<SkData> data = SkData::MakeWithCopy(kSpiderSymbol_ttf, dataSize); |
| const SkSFNTHeader* sfntHeader = reinterpret_cast<const SkSFNTHeader*>(data->data()); |
| const SkSFNTHeader::TableDirectoryEntry* tableEntry = |
| SkTAfter<const SkSFNTHeader::TableDirectoryEntry>(sfntHeader); |
| const SkSFNTHeader::TableDirectoryEntry* os2TableEntry = nullptr; |
| int numTables = SkEndian_SwapBE16(sfntHeader->numTables); |
| for (int tableEntryIndex = 0; tableEntryIndex < numTables; ++tableEntryIndex) { |
| if (SkOTTableOS2::TAG == tableEntry[tableEntryIndex].tag) { |
| os2TableEntry = tableEntry + tableEntryIndex; |
| break; |
| } |
| } |
| if (!os2TableEntry) { |
| return; |
| } |
| size_t os2TableOffset = SkEndian_SwapBE32(os2TableEntry->offset); |
| SkOTTableOS2_V0* os2Table = SkTAddOffset<SkOTTableOS2_V0>(data->writable_data(), |
| os2TableOffset); |
| |
| for (int i = 0; i < 11; ++i) { |
| os2Table->usWeightClass.value = SkEndian_SwapBE16(i * 100); |
| |
| // On macOS 10.14 and earlier it appears that the CFDataGetBytePtr is used somehow in |
| // font caching. Creating a slightly modified font with data at the same address seems |
| // to in some ways act like a font previously created at that address. As a result, |
| // always make a copy of the data. |
| SkUniqueCFRef<CFDataRef> cfData( |
| CFDataCreate(kCFAllocatorDefault, (const UInt8 *)data->data(), data->size())); |
| if (!cfData) { |
| return; |
| } |
| SkUniqueCFRef<CTFontDescriptorRef> desc( |
| CTFontManagerCreateFontDescriptorFromData(cfData.get())); |
| if (!desc) { |
| return; |
| } |
| |
| // On macOS 10.14 and earlier, the CTFontDescriptorRef returned from |
| // CTFontManagerCreateFontDescriptorFromData is incomplete and does not have the |
| // correct traits. It is necessary to create the CTFont and then get the descriptor |
| // off of it. |
| SkUniqueCFRef<CTFontRef> ctFont(CTFontCreateWithFontDescriptor(desc.get(), 9, nullptr)); |
| if (!ctFont) { |
| return; |
| } |
| SkUniqueCFRef<CTFontDescriptorRef> desc2(CTFontCopyFontDescriptor(ctFont.get())); |
| if (!desc2) { |
| return; |
| } |
| |
| SkUniqueCFRef<CFTypeRef> traitsRef( |
| CTFontDescriptorCopyAttribute(desc2.get(), kCTFontTraitsAttribute)); |
| if (!traitsRef || CFGetTypeID(traitsRef.get()) != CFDictionaryGetTypeID()) { |
| return; |
| } |
| CFDictionaryRef fontTraitsDict = static_cast<CFDictionaryRef>(traitsRef.get()); |
| |
| CFTypeRef weightRef; |
| if (!CFDictionaryGetValueIfPresent(fontTraitsDict, kCTFontWeightTrait, &weightRef) || |
| !weightRef || |
| CFGetTypeID(weightRef) != CFNumberGetTypeID()) |
| { |
| return; |
| } |
| CGFloat weight; |
| CFNumberRef weightNumber = static_cast<CFNumberRef>(weightRef); |
| if (!CFNumberIsFloatType(weightNumber) || |
| !CFNumberGetValue(weightNumber, kCFNumberCGFloatType, &weight)) |
| { |
| return; |
| } |
| |
| dataFontWeights[i] = weight; |
| } |
| selectedDataFontWeights = &dataFontWeights; |
| }); |
| return *selectedDataFontWeights; |
| } |
| |
| #endif |
