OpenTTD Source: src/os/macosx/string_osx.cpp Source File

OpenTTD Source 14.0-beta1

string_osx.cpp
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1 /*
2 * This file is part of OpenTTD.
3 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
4 * OpenTTD 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.
5 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
6 */
7
10 #include "../../stdafx.h"
11 #include "string_osx.h"
12 #include "../../string_func.h"
13 #include "../../strings_func.h"
14 #include "../../table/control_codes.h"
15 #include "../../fontcache.h"
16 #include "../../zoom_func.h"
17 #include "macos.h"
18
19 #include <CoreFoundation/CoreFoundation.h>
20
21
22 /* CTRunDelegateCreate is supported since MacOS X 10.5, but was only included in the SDKs starting with the 10.9 SDK. */
23 #ifndef HAVE_OSX_109_SDK
24 extern "C" {
25 typedef const struct __CTRunDelegate * CTRunDelegateRef;
26
27 typedef void (*CTRunDelegateDeallocateCallback) (void *refCon);
28 typedef CGFloat (*CTRunDelegateGetAscentCallback) (void *refCon);
29 typedef CGFloat (*CTRunDelegateGetDescentCallback) (void *refCon);
30 typedef CGFloat (*CTRunDelegateGetWidthCallback) (void *refCon);
31 typedef struct {
32 CFIndex version;
33 CTRunDelegateDeallocateCallback dealloc;
34 CTRunDelegateGetAscentCallback getAscent;
35 CTRunDelegateGetDescentCallback getDescent;
36 CTRunDelegateGetWidthCallback getWidth;
37 } CTRunDelegateCallbacks;
38
39 enum {
40 kCTRunDelegateVersion1 = 1,
41 kCTRunDelegateCurrentVersion = kCTRunDelegateVersion1
42 };
43
44 extern const CFStringRef kCTRunDelegateAttributeName AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
45
46 CTRunDelegateRef CTRunDelegateCreate(const CTRunDelegateCallbacks *callbacks, void *refCon) AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
47 }
48 #endif /* HAVE_OSX_109_SDK */
49
51 static CFAutoRelease<CFLocaleRef> _osx_locale;
53 static CFAutoRelease<CTFontRef> _font_cache[FS_END];
54
55
59 class CoreTextParagraphLayout : public ParagraphLayouter {
60 private:
61 const CoreTextParagraphLayoutFactory::CharType *text_buffer;
62 ptrdiff_t length;
63 const FontMap &font_map;
64
65 CFAutoRelease<CTTypesetterRef> typesetter;
66
67 CFIndex cur_offset = 0;
68
69 public:
71 class CoreTextVisualRun : public ParagraphLayouter::VisualRun {
72 private:
73 std::vector<GlyphID> glyphs;
74 std::vector<Point> positions;
75 std::vector<int> glyph_to_char;
76
77 int total_advance = 0;
78 Font *font;
79
80 public:
81 CoreTextVisualRun(CTRunRef run, Font *font, const CoreTextParagraphLayoutFactory::CharType *buff);
82 CoreTextVisualRun(CoreTextVisualRun &&other) = default;
83
84 const std::vector<GlyphID> &GetGlyphs() const override { return this->glyphs; }
85 const std::vector<Point> &GetPositions() const override { return this->positions; }
86 const std::vector<int> &GetGlyphToCharMap() const override { return this->glyph_to_char; }
87
88 const Font *GetFont() const override { return this->font; }
89 int GetLeading() const override { return this->font->fc->GetHeight(); }
90 int GetGlyphCount() const override { return (int)this->glyphs.size(); }
91 int GetAdvance() const { return this->total_advance; }
92 };
93
95 class CoreTextLine : public std::vector<CoreTextVisualRun>, public ParagraphLayouter::Line {
96 public:
97 CoreTextLine(CFAutoRelease<CTLineRef> line, const FontMap &fontMapping, const CoreTextParagraphLayoutFactory::CharType *buff)
98 {
99 CFArrayRef runs = CTLineGetGlyphRuns(line.get());
100 for (CFIndex i = 0; i < CFArrayGetCount(runs); i++) {
101 CTRunRef run = (CTRunRef)CFArrayGetValueAtIndex(runs, i);
102
103 /* Extract font information for this run. */
104 CFRange chars = CTRunGetStringRange(run);
105 auto map = fontMapping.upper_bound(chars.location);
106
107 this->emplace_back(run, map->second, buff);
108 }
109 }
110
111 int GetLeading() const override;
112 int GetWidth() const override;
113 int CountRuns() const override { return this->size(); }
114 const VisualRun &GetVisualRun(int run) const override { return this->at(run); }
115
116 int GetInternalCharLength(char32_t c) const override
117 {
118 /* CoreText uses UTF-16 internally which means we need to account for surrogate pairs. */
119 return c >= 0x010000U ? 2 : 1;
120 }
121 };
122
123 CoreTextParagraphLayout(CFAutoRelease<CTTypesetterRef> typesetter, const CoreTextParagraphLayoutFactory::CharType *buffer, ptrdiff_t len, const FontMap &fontMapping) : text_buffer(buffer), length(len), font_map(fontMapping), typesetter(std::move(typesetter))
124 {
125 this->Reflow();
126 }
127
128 void Reflow() override
129 {
130 this->cur_offset = 0;
131 }
132
133 std::unique_ptr<const Line> NextLine(int max_width) override;
134 };
135
136
138 static CGFloat SpriteFontGetWidth(void *ref_con)
139 {
140 FontSize fs = (FontSize)((size_t)ref_con >> 24);
141 char32_t c = (char32_t)((size_t)ref_con & 0xFFFFFF);
142
143 return GetGlyphWidth(fs, c);
144 }
145
146 static CTRunDelegateCallbacks _sprite_font_callback = {
147 kCTRunDelegateCurrentVersion, nullptr, nullptr, nullptr,
148 &SpriteFontGetWidth
149 };
150
151 /* static */ ParagraphLayouter *CoreTextParagraphLayoutFactory::GetParagraphLayout(CharType *buff, CharType *buff_end, FontMap &fontMapping)
152 {
153 if (!MacOSVersionIsAtLeast(10, 5, 0)) return nullptr;
154
155 /* Can't layout an empty string. */
156 ptrdiff_t length = buff_end - buff;
157 if (length == 0) return nullptr;
158
159 /* Can't layout our in-built sprite fonts. */
160 for (const auto &i : fontMapping) {
161 if (i.second->fc->IsBuiltInFont()) return nullptr;
162 }
163
164 /* Make attributed string with embedded font information. */
165 CFAutoRelease<CFMutableAttributedStringRef> str(CFAttributedStringCreateMutable(kCFAllocatorDefault, 0));
166 CFAttributedStringBeginEditing(str.get());
167
168 CFAutoRelease<CFStringRef> base(CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, buff, length, kCFAllocatorNull));
169 CFAttributedStringReplaceString(str.get(), CFRangeMake(0, 0), base.get());
170
171 const UniChar replacment_char = 0xFFFC;
172 CFAutoRelease<CFStringRef> replacment_str(CFStringCreateWithCharacters(kCFAllocatorDefault, &replacment_char, 1));
173
174 /* Apply font and colour ranges to our string. This is important to make sure
175 * that we get proper glyph boundaries on style changes. */
176 int last = 0;
177 for (const auto &i : fontMapping) {
178 if (i.first - last == 0) continue;
179
180 CTFontRef font = (CTFontRef)i.second->fc->GetOSHandle();
181 if (font == nullptr) {
182 if (!_font_cache[i.second->fc->GetSize()]) {
183 /* Cache font information. */
184 CFAutoRelease<CFStringRef> font_name(CFStringCreateWithCString(kCFAllocatorDefault, i.second->fc->GetFontName().c_str(), kCFStringEncodingUTF8));
185 _font_cache[i.second->fc->GetSize()].reset(CTFontCreateWithName(font_name.get(), i.second->fc->GetFontSize(), nullptr));
186 }
187 font = _font_cache[i.second->fc->GetSize()].get();
188 }
189 CFAttributedStringSetAttribute(str.get(), CFRangeMake(last, i.first - last), kCTFontAttributeName, font);
190
191 CGColorRef color = CGColorCreateGenericGray((uint8_t)i.second->colour / 255.0f, 1.0f); // We don't care about the real colours, just that they are different.
192 CFAttributedStringSetAttribute(str.get(), CFRangeMake(last, i.first - last), kCTForegroundColorAttributeName, color);
193 CGColorRelease(color);
194
195 /* Install a size callback for our special private-use sprite glyphs in case the font does not provide them. */
196 for (ssize_t c = last; c < i.first; c++) {
197 if (buff[c] >= SCC_SPRITE_START && buff[c] <= SCC_SPRITE_END && i.second->fc->MapCharToGlyph(buff[c], false) == 0) {
198 CFAutoRelease<CTRunDelegateRef> del(CTRunDelegateCreate(&_sprite_font_callback, (void *)(size_t)(buff[c] | (i.second->fc->GetSize() << 24))));
199 /* According to the offical documentation, if a run delegate is used, the char should always be 0xFFFC. */
200 CFAttributedStringReplaceString(str.get(), CFRangeMake(c, 1), replacment_str.get());
201 CFAttributedStringSetAttribute(str.get(), CFRangeMake(c, 1), kCTRunDelegateAttributeName, del.get());
202 }
203 }
204
205 last = i.first;
206 }
207 CFAttributedStringEndEditing(str.get());
208
209 /* Create and return typesetter for the string. */
210 CFAutoRelease<CTTypesetterRef> typesetter(CTTypesetterCreateWithAttributedString(str.get()));
211
212 return typesetter ? new CoreTextParagraphLayout(std::move(typesetter), buff, length, fontMapping) : nullptr;
213 }
214
215 /* virtual */ std::unique_ptr<const ParagraphLayouter::Line> CoreTextParagraphLayout::NextLine(int max_width)
216 {
217 if (this->cur_offset >= this->length) return nullptr;
218
219 /* Get line break position, trying word breaking first and breaking somewhere if that doesn't work. */
220 CFIndex len = CTTypesetterSuggestLineBreak(this->typesetter.get(), this->cur_offset, max_width);
221 if (len <= 0) len = CTTypesetterSuggestClusterBreak(this->typesetter.get(), this->cur_offset, max_width);
222
223 /* Create line. */
224 CFAutoRelease<CTLineRef> line(CTTypesetterCreateLine(this->typesetter.get(), CFRangeMake(this->cur_offset, len)));
225 this->cur_offset += len;
226
227 return std::unique_ptr<const Line>(line ? new CoreTextLine(std::move(line), this->font_map, this->text_buffer) : nullptr);
228 }
229
230 CoreTextParagraphLayout::CoreTextVisualRun::CoreTextVisualRun(CTRunRef run, Font *font, const CoreTextParagraphLayoutFactory::CharType *buff) : font(font)
231 {
232 this->glyphs.resize(CTRunGetGlyphCount(run));
233
234 /* Query map of glyphs to source string index. */
235 CFIndex map[this->glyphs.size()];
236 CTRunGetStringIndices(run, CFRangeMake(0, 0), map);
237
238 this->glyph_to_char.resize(this->glyphs.size());
239 for (size_t i = 0; i < this->glyph_to_char.size(); i++) this->glyph_to_char[i] = (int)map[i];
240
241 CGPoint pts[this->glyphs.size()];
242 CTRunGetPositions(run, CFRangeMake(0, 0), pts);
243 this->positions.reserve(this->glyphs.size() + 1);
244
245 /* Convert glyph array to our data type. At the same time, substitute
246 * the proper glyphs for our private sprite glyphs. */
247 CGGlyph gl[this->glyphs.size()];
248 CTRunGetGlyphs(run, CFRangeMake(0, 0), gl);
249 for (size_t i = 0; i < this->glyphs.size(); i++) {
250 if (buff[this->glyph_to_char[i]] >= SCC_SPRITE_START && buff[this->glyph_to_char[i]] <= SCC_SPRITE_END && (gl[i] == 0 || gl[i] == 3)) {
251 /* A glyph of 0 indidicates not found, while apparently 3 is what char 0xFFFC maps to. */
252 this->glyphs[i] = font->fc->MapCharToGlyph(buff[this->glyph_to_char[i]]);
253 this->positions.emplace_back(pts[i].x, (font->fc->GetHeight() - ScaleSpriteTrad(FontCache::GetDefaultFontHeight(font->fc->GetSize()))) / 2); // Align sprite font to centre
254 } else {
255 this->glyphs[i] = gl[i];
256 this->positions.emplace_back(pts[i].x, pts[i].y);
257 }
258 }
259 this->total_advance = (int)std::ceil(CTRunGetTypographicBounds(run, CFRangeMake(0, 0), nullptr, nullptr, nullptr));
260 /* End-of-run position. */
261 this->positions.emplace_back(this->positions.front().x + this->total_advance, 0);
262 }
263
268 int CoreTextParagraphLayout::CoreTextLine::GetLeading() const
269 {
270 int leading = 0;
271 for (const auto &run : *this) {
272 leading = std::max(leading, run.GetLeading());
273 }
274
275 return leading;
276 }
277
282 int CoreTextParagraphLayout::CoreTextLine::GetWidth() const
283 {
284 if (this->empty()) return 0;
285
286 int total_width = 0;
287 for (const auto &run : *this) {
288 total_width += run.GetAdvance();
289 }
290
291 return total_width;
292 }
293
294
296 void MacOSResetScriptCache(FontSize size)
297 {
298 _font_cache[size].reset();
299 }
300
302 void MacOSRegisterExternalFont(const char *file_path)
303 {
304 if (!MacOSVersionIsAtLeast(10, 6, 0)) return;
305
306 CFAutoRelease<CFStringRef> path(CFStringCreateWithCString(kCFAllocatorDefault, file_path, kCFStringEncodingUTF8));
307 CFAutoRelease<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, path.get(), kCFURLPOSIXPathStyle, false));
308
309 CTFontManagerRegisterFontsForURL(url.get(), kCTFontManagerScopeProcess, nullptr);
310 }
311
313 void MacOSSetCurrentLocaleName(const char *iso_code)
314 {
315 if (!MacOSVersionIsAtLeast(10, 5, 0)) return;
316
317 CFAutoRelease<CFStringRef> iso(CFStringCreateWithCString(kCFAllocatorDefault, iso_code, kCFStringEncodingUTF8));
318 _osx_locale.reset(CFLocaleCreate(kCFAllocatorDefault, iso.get()));
319 }
320
328 int MacOSStringCompare(std::string_view s1, std::string_view s2)
329 {
330 static bool supported = MacOSVersionIsAtLeast(10, 5, 0);
331 if (!supported) return 0;
332
333 CFStringCompareFlags flags = kCFCompareCaseInsensitive | kCFCompareNumerically | kCFCompareLocalized | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
334
335 CFAutoRelease<CFStringRef> cf1(CFStringCreateWithBytes(kCFAllocatorDefault, (const UInt8 *)s1.data(), s1.size(), kCFStringEncodingUTF8, false));
336 CFAutoRelease<CFStringRef> cf2(CFStringCreateWithBytes(kCFAllocatorDefault, (const UInt8 *)s2.data(), s2.size(), kCFStringEncodingUTF8, false));
337
338 /* If any CFString could not be created (e.g., due to UTF8 invalid chars), return OS unsupported functionality */
339 if (cf1 == nullptr || cf2 == nullptr) return 0;
340
341 return (int)CFStringCompareWithOptionsAndLocale(cf1.get(), cf2.get(), CFRangeMake(0, CFStringGetLength(cf1.get())), flags, _osx_locale.get()) + 2;
342 }
343
352 int MacOSStringContains(const std::string_view str, const std::string_view value, bool case_insensitive)
353 {
354 static bool supported = MacOSVersionIsAtLeast(10, 5, 0);
355 if (!supported) return -1;
356
357 CFStringCompareFlags flags = kCFCompareLocalized | kCFCompareWidthInsensitive;
358 if (case_insensitive) flags |= kCFCompareCaseInsensitive;
359
360 CFAutoRelease<CFStringRef> cf_str(CFStringCreateWithBytes(kCFAllocatorDefault, (const UInt8 *)str.data(), str.size(), kCFStringEncodingUTF8, false));
361 CFAutoRelease<CFStringRef> cf_value(CFStringCreateWithBytes(kCFAllocatorDefault, (const UInt8 *)value.data(), value.size(), kCFStringEncodingUTF8, false));
362
363 /* If any CFString could not be created (e.g., due to UTF8 invalid chars), return OS unsupported functionality */
364 if (cf_str == nullptr || cf_value == nullptr) return -1;
365
366 return CFStringFindWithOptionsAndLocale(cf_str.get(), cf_value.get(), CFRangeMake(0, CFStringGetLength(cf_str.get())), flags, _osx_locale.get(), nullptr) ? 1 : 0;
367 }
368
369
370 /* virtual */ void OSXStringIterator::SetString(const char *s)
371 {
372 const char *string_base = s;
373
374 this->utf16_to_utf8.clear();
375 this->str_info.clear();
376 this->cur_pos = 0;
377
378 /* CoreText operates on UTF-16, thus we have to convert the input string.
379 * To be able to return proper offsets, we have to create a mapping at the same time. */
380 std::vector<UniChar> utf16_str;
381 while (*s != '\0') {
382 size_t idx = s - string_base;
383
384 char32_t c = Utf8Consume(&s);
385 if (c < 0x10000) {
386 utf16_str.push_back((UniChar)c);
387 } else {
388 /* Make a surrogate pair. */
389 utf16_str.push_back((UniChar)(0xD800 + ((c - 0x10000) >> 10)));
390 utf16_str.push_back((UniChar)(0xDC00 + ((c - 0x10000) & 0x3FF)));
391 this->utf16_to_utf8.push_back(idx);
392 }
393 this->utf16_to_utf8.push_back(idx);
394 }
395 this->utf16_to_utf8.push_back(s - string_base);
396
397 /* Query CoreText for word and cluster break information. */
398 this->str_info.resize(utf16_to_utf8.size());
399
400 if (!utf16_str.empty()) {
401 CFAutoRelease<CFStringRef> str(CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, &utf16_str[0], utf16_str.size(), kCFAllocatorNull));
402
403 /* Get cluster breaks. */
404 for (CFIndex i = 0; i < CFStringGetLength(str.get()); ) {
405 CFRange r = CFStringGetRangeOfComposedCharactersAtIndex(str.get(), i);
406 this->str_info[r.location].char_stop = true;
407
408 i += r.length;
409 }
410
411 /* Get word breaks. */
412 CFAutoRelease<CFStringTokenizerRef> tokenizer(CFStringTokenizerCreate(kCFAllocatorDefault, str.get(), CFRangeMake(0, CFStringGetLength(str.get())), kCFStringTokenizerUnitWordBoundary, _osx_locale.get()));
413
414 CFStringTokenizerTokenType tokenType = kCFStringTokenizerTokenNone;
415 while ((tokenType = CFStringTokenizerAdvanceToNextToken(tokenizer.get())) != kCFStringTokenizerTokenNone) {
416 /* Skip tokens that are white-space or punctuation tokens. */
417 if ((tokenType & kCFStringTokenizerTokenHasNonLettersMask) != kCFStringTokenizerTokenHasNonLettersMask) {
418 CFRange r = CFStringTokenizerGetCurrentTokenRange(tokenizer.get());
419 this->str_info[r.location].word_stop = true;
420 }
421 }
422 }
423
424 /* End-of-string is always a valid stopping point. */
425 this->str_info.back().char_stop = true;
426 this->str_info.back().word_stop = true;
427 }
428
429 /* virtual */ size_t OSXStringIterator::SetCurPosition(size_t pos)
430 {
431 /* Convert incoming position to an UTF-16 string index. */
432 size_t utf16_pos = 0;
433 for (size_t i = 0; i < this->utf16_to_utf8.size(); i++) {
434 if (this->utf16_to_utf8[i] == pos) {
435 utf16_pos = i;
436 break;
437 }
438 }
439
440 /* Sanitize in case we get a position inside a grapheme cluster. */
441 while (utf16_pos > 0 && !this->str_info[utf16_pos].char_stop) utf16_pos--;
442 this->cur_pos = utf16_pos;
443
444 return this->utf16_to_utf8[this->cur_pos];
445 }
446
447 /* virtual */ size_t OSXStringIterator::Next(IterType what)
448 {
449 assert(this->cur_pos <= this->utf16_to_utf8.size());
450 assert(what == StringIterator::ITER_CHARACTER || what == StringIterator::ITER_WORD);
451
452 if (this->cur_pos == this->utf16_to_utf8.size()) return END;
453
454 do {
455 this->cur_pos++;
456 } while (this->cur_pos < this->utf16_to_utf8.size() && (what == ITER_WORD ? !this->str_info[this->cur_pos].word_stop : !this->str_info[this->cur_pos].char_stop));
457
458 return this->cur_pos == this->utf16_to_utf8.size() ? END : this->utf16_to_utf8[this->cur_pos];
459 }
460
461 /* virtual */ size_t OSXStringIterator::Prev(IterType what)
462 {
463 assert(this->cur_pos <= this->utf16_to_utf8.size());
464 assert(what == StringIterator::ITER_CHARACTER || what == StringIterator::ITER_WORD);
465
466 if (this->cur_pos == 0) return END;
467
468 do {
469 this->cur_pos--;
470 } while (this->cur_pos > 0 && (what == ITER_WORD ? !this->str_info[this->cur_pos].word_stop : !this->str_info[this->cur_pos].char_stop));
471
472 return this->utf16_to_utf8[this->cur_pos];
473 }
474
475 /* static */ std::unique_ptr<StringIterator> OSXStringIterator::Create()
476 {
477 if (!MacOSVersionIsAtLeast(10, 5, 0)) return nullptr;
478
479 return std::make_unique<OSXStringIterator>();
480 }
FontCache::GetSize
FontSize GetSize() const
Get the FontSize of the font.
Definition: fontcache.h:43
StringIterator::IterType
IterType
Type of the iterator.
Definition: string_base.h:17
Font::fc
FontCache * fc
The font we are using.
Definition: gfx_layout.h:77
FontCache::GetHeight
int GetHeight() const
Get the height of the font.
Definition: fontcache.h:49
SpriteFontGetWidth
static CGFloat SpriteFontGetWidth(void *ref_con)
Get the width of an encoded sprite font character.
Definition: string_osx.cpp:138
OSXStringIterator::Prev
size_t Prev(IterType what) override
Move the cursor back by one iteration unit.
Definition: string_osx.cpp:461
CoreTextParagraphLayout::CoreTextLine::GetLeading
int GetLeading() const override
Get the height of the line.
Definition: string_osx.cpp:268
CFAutoRelease
std::unique_ptr< typename std::remove_pointer< T >::type, CFDeleter< typename std::remove_pointer< T >::type > > CFAutoRelease
Specialisation of std::unique_ptr for CoreFoundation objects.
Definition: macos.h:54
MacOSVersionIsAtLeast
bool MacOSVersionIsAtLeast(long major, long minor, long bugfix)
Check if we are at least running on the specified version of Mac OS.
Definition: macos.h:25
CoreTextParagraphLayoutFactory::GetParagraphLayout
static ParagraphLayouter * GetParagraphLayout(CharType *buff, CharType *buff_end, FontMap &fontMapping)
Get the actual ParagraphLayout for the given buffer.
Definition: string_osx.cpp:151
CoreTextParagraphLayout
Wrapper for doing layouts with CoreText.
Definition: string_osx.cpp:59
StringIterator::ITER_CHARACTER
@ ITER_CHARACTER
Iterate over characters (or more exactly grapheme clusters).
Definition: string_base.h:18
ParagraphLayouter
Interface to glue fallback and normal layouter into one.
Definition: gfx_layout.h:89
CTRunDelegateCallbacks
Definition: string_osx.cpp:31
string_osx.h
ParagraphLayouter::Line
A single line worth of VisualRuns.
Definition: gfx_layout.h:106
OSXStringIterator::SetString
void SetString(const char *s) override
Set a new iteration string.
Definition: string_osx.cpp:370
GetGlyphWidth
uint GetGlyphWidth(FontSize size, char32_t key)
Get the width of a glyph.
Definition: fontcache.h:195
MacOSStringContains
int MacOSStringContains(const std::string_view str, const std::string_view value, bool case_insensitive)
Search if a string is contained in another string using the current locale.
Definition: string_osx.cpp:352
MacOSStringCompare
int MacOSStringCompare(std::string_view s1, std::string_view s2)
Compares two strings using case insensitive natural sort.
Definition: string_osx.cpp:328
StringIterator::ITER_WORD
@ ITER_WORD
Iterate over words.
Definition: string_base.h:19
CoreTextParagraphLayout::CoreTextLine::GetWidth
int GetWidth() const override
Get the width of this line.
Definition: string_osx.cpp:282
MacOSSetCurrentLocaleName
void MacOSSetCurrentLocaleName(const char *iso_code)
Store current language locale as a CoreFoundation locale.
Definition: string_osx.cpp:313
Font
Container with information about a font.
Definition: gfx_layout.h:75
CoreTextParagraphLayout::CoreTextLine
A single line worth of VisualRuns.
Definition: string_osx.cpp:95
ParagraphLayouter::VisualRun
Visual run contains data about the bit of text with the same font.
Definition: gfx_layout.h:94
MacOSRegisterExternalFont
void MacOSRegisterExternalFont(const char *file_path)
Register an external font file with the CoreText system.
Definition: string_osx.cpp:302
FontCache::MapCharToGlyph
virtual GlyphID MapCharToGlyph(char32_t key, bool fallback=true)=0
Map a character into a glyph.
_font_cache
static CFAutoRelease< CTFontRef > _font_cache[FS_END]
CoreText cache for font information, cleared when OTTD changes fonts.
Definition: string_osx.cpp:53
OSXStringIterator::SetCurPosition
size_t SetCurPosition(size_t pos) override
Change the current string cursor.
Definition: string_osx.cpp:429
CoreTextParagraphLayout::cur_offset
CFIndex cur_offset
Offset from the start of the current run from where to output.
Definition: string_osx.cpp:67
CoreTextParagraphLayoutFactory::CharType
UniChar CharType
Helper for GetLayouter, to get the right type.
Definition: string_osx.h:44
ScaleSpriteTrad
int ScaleSpriteTrad(int value)
Scale traditional pixel dimensions to GUI zoom level, for drawing sprites.
Definition: zoom_func.h:107
CoreTextParagraphLayout::CoreTextVisualRun
Visual run contains data about the bit of text with the same font.
Definition: string_osx.cpp:71
MacOSResetScriptCache
void MacOSResetScriptCache(FontSize size)
Delete CoreText font reference for a specific font size.
Definition: string_osx.cpp:296
OSXStringIterator::Next
size_t Next(IterType what) override
Advance the cursor by one iteration unit.
Definition: string_osx.cpp:447
macos.h
_osx_locale
static CFAutoRelease< CFLocaleRef > _osx_locale
Cached current locale.
Definition: string_osx.cpp:51
FontSize
FontSize
Available font sizes.
Definition: gfx_type.h:202
FontMap
std::map< int, Font * > FontMap
Mapping from index to font.
Definition: gfx_layout.h:84