1 /*****************************************************************************
2 * Copyright (c) 2014-2020 OpenRCT2 developers
3 *
4 * For a complete list of all authors, please refer to contributors.md
5 * Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
6 *
7 * OpenRCT2 is licensed under the GNU General Public License version 3.
8 *****************************************************************************/
9
10 #include "Font.h"
11
12 #include "../localisation/FormatCodes.h"
13 #include "../localisation/Language.h"
14 #include "../localisation/LocalisationService.h"
15 #include "../sprites.h"
16 #include "Drawing.h"
17 #include "TTF.h"
18
19 #include <iterator>
20 #include <unordered_map>
21
22 static constexpr const int32_t SpriteFontLineHeight[FONT_SIZE_COUNT] = {
23 6,
24 10,
25 10,
26 };
27
28 static uint8_t _spriteFontCharacterWidths[FONT_SIZE_COUNT][FONT_SPRITE_GLYPH_COUNT];
29 static uint8_t _additionalSpriteFontCharacterWidth[FONT_SIZE_COUNT][SPR_G2_GLYPH_COUNT] = {};
30
31 #ifndef NO_TTF
32 TTFFontSetDescriptor* gCurrentTTFFontSet;
33 #endif // NO_TTF
34
35 static const std::unordered_map<char32_t, int32_t> codepointOffsetMap = {
36 { UnicodeChar::ae_uc, SPR_G2_AE_UPPER - SPR_CHAR_START },
37 { UnicodeChar::o_stroke_uc, SPR_G2_O_STROKE_UPPER - SPR_CHAR_START },
38 { UnicodeChar::y_acute_uc, SPR_G2_Y_ACUTE_UPPER - SPR_CHAR_START },
39 { UnicodeChar::ae, SPR_G2_AE_LOWER - SPR_CHAR_START },
40 { UnicodeChar::o_stroke, SPR_G2_O_STROKE_LOWER - SPR_CHAR_START },
41 { UnicodeChar::y_acute, SPR_G2_Y_ACUTE_LOWER - SPR_CHAR_START },
42 { UnicodeChar::a_breve_uc, SPR_G2_A_BREVE_UPPER - SPR_CHAR_START },
43 { UnicodeChar::a_breve, 226 - CS_SPRITE_FONT_OFFSET }, // Render as â, no visual difference in the RCT font
44 { UnicodeChar::a_ogonek_uc, CSChar::a_ogonek_uc - CS_SPRITE_FONT_OFFSET },
45 { UnicodeChar::a_ogonek, CSChar::a_ogonek - CS_SPRITE_FONT_OFFSET },
46 { UnicodeChar::c_acute_uc, CSChar::c_acute_uc - CS_SPRITE_FONT_OFFSET },
47 { UnicodeChar::c_acute, CSChar::c_acute - CS_SPRITE_FONT_OFFSET },
48 { UnicodeChar::c_caron_uc, SPR_G2_C_CARON_UPPER - SPR_CHAR_START },
49 { UnicodeChar::c_caron, SPR_G2_C_CARON_LOWER - SPR_CHAR_START },
50 { UnicodeChar::d_caron_uc, SPR_G2_D_CARON_UPPER - SPR_CHAR_START },
51 { UnicodeChar::d_caron, SPR_G2_D_CARON_LOWER - SPR_CHAR_START },
52 { UnicodeChar::e_ogonek_uc, CSChar::e_ogonek_uc - CS_SPRITE_FONT_OFFSET },
53 { UnicodeChar::e_ogonek, CSChar::e_ogonek - CS_SPRITE_FONT_OFFSET },
54 { UnicodeChar::e_caron_uc, SPR_G2_E_CARON_UPPER - SPR_CHAR_START },
55 { UnicodeChar::e_caron, SPR_G2_E_CARON_LOWER - SPR_CHAR_START },
56 { UnicodeChar::g_breve_uc, SPR_G2_G_BREVE_UPPER - SPR_CHAR_START },
57 { UnicodeChar::g_breve, SPR_G2_G_BREVE_LOWER - SPR_CHAR_START },
58 { UnicodeChar::i_with_dot_uc, SPR_G2_I_WITH_DOT_UPPER - SPR_CHAR_START },
59 { UnicodeChar::i_without_dot, SPR_G2_I_WITHOUT_DOT_LOWER - SPR_CHAR_START },
60 { UnicodeChar::j, SPR_G2_J - SPR_CHAR_START },
61 { UnicodeChar::l, SPR_G2_L - SPR_CHAR_START },
62 { UnicodeChar::l_stroke_uc, CSChar::l_stroke_uc - CS_SPRITE_FONT_OFFSET },
63 { UnicodeChar::l_stroke, CSChar::l_stroke - CS_SPRITE_FONT_OFFSET },
64 { UnicodeChar::n_acute_uc, CSChar::n_acute_uc - CS_SPRITE_FONT_OFFSET },
65 { UnicodeChar::n_acute, CSChar::n_acute - CS_SPRITE_FONT_OFFSET },
66 { UnicodeChar::n_caron_uc, SPR_G2_N_CARON_UPPER - SPR_CHAR_START },
67 { UnicodeChar::n_caron, SPR_G2_N_CARON_LOWER - SPR_CHAR_START },
68 { UnicodeChar::o_macron, CSChar::o_circumflex - CS_SPRITE_FONT_OFFSET }, // No visual difference
69 { UnicodeChar::o_double_acute_uc, SPR_G2_O_DOUBLE_ACUTE_UPPER - SPR_CHAR_START },
70 { UnicodeChar::o_double_acute, SPR_G2_O_DOUBLE_ACUTE_LOWER - SPR_CHAR_START },
71 { UnicodeChar::oe_uc, SPR_G2_OE_UPPER - SPR_CHAR_START },
72 { UnicodeChar::oe, SPR_G2_OE_LOWER - SPR_CHAR_START },
73 { UnicodeChar::r_caron_uc, SPR_G2_R_CARON_UPPER - SPR_CHAR_START },
74 { UnicodeChar::r_caron, SPR_G2_R_CARON_LOWER - SPR_CHAR_START },
75 { UnicodeChar::s_acute_uc, CSChar::s_acute_uc - CS_SPRITE_FONT_OFFSET },
76 { UnicodeChar::s_acute, CSChar::s_acute - CS_SPRITE_FONT_OFFSET },
77 { UnicodeChar::s_cedilla_uc, SPR_G2_S_CEDILLA_UPPER - SPR_CHAR_START },
78 { UnicodeChar::s_cedilla, SPR_G2_S_CEDILLA_LOWER - SPR_CHAR_START },
79 { UnicodeChar::s_caron_uc, SPR_G2_S_CARON_UPPER - SPR_CHAR_START },
80 { UnicodeChar::s_caron, SPR_G2_S_CARON_LOWER - SPR_CHAR_START },
81 { UnicodeChar::t_caron_uc, SPR_G2_T_CARON_UPPER - SPR_CHAR_START },
82 { UnicodeChar::t_caron, SPR_G2_T_CARON_LOWER - SPR_CHAR_START },
83 { UnicodeChar::u_ring_uc, SPR_G2_U_RING_UPPER - SPR_CHAR_START },
84 { UnicodeChar::u_ring, SPR_G2_U_RING_LOWER - SPR_CHAR_START },
85 { UnicodeChar::u_double_acute_uc, SPR_G2_U_DOUBLE_ACUTE_UPPER - SPR_CHAR_START },
86 { UnicodeChar::u_double_acute, SPR_G2_U_DOUBLE_ACUTE_LOWER - SPR_CHAR_START },
87 { UnicodeChar::z_acute_uc, CSChar::z_acute_uc - CS_SPRITE_FONT_OFFSET },
88 { UnicodeChar::z_acute, CSChar::z_acute - CS_SPRITE_FONT_OFFSET },
89 { UnicodeChar::z_dot_uc, CSChar::z_dot_uc - CS_SPRITE_FONT_OFFSET },
90 { UnicodeChar::z_dot, CSChar::z_dot - CS_SPRITE_FONT_OFFSET },
91 { UnicodeChar::z_caron_uc, SPR_G2_Z_CARON_UPPER - SPR_CHAR_START },
92 { UnicodeChar::z_caron, SPR_G2_Z_CARON_LOWER - SPR_CHAR_START },
93 { UnicodeChar::f_with_hook_uc, 'F' - CS_SPRITE_FONT_OFFSET },
94 { UnicodeChar::s_comma_uc, SPR_G2_S_CEDILLA_UPPER - SPR_CHAR_START }, // No visual difference
95 { UnicodeChar::s_comma, SPR_G2_S_CEDILLA_LOWER - SPR_CHAR_START }, // Ditto
96 { UnicodeChar::t_comma_uc, SPR_G2_T_COMMA_UPPER - SPR_CHAR_START },
97 { UnicodeChar::t_comma, SPR_G2_T_COMMA_LOWER - SPR_CHAR_START },
98 { UnicodeChar::sharp_s_uc, 223 - CS_SPRITE_FONT_OFFSET },
99 { UnicodeChar::c_circumflex_uc, SPR_G2_C_CIRCUMFLEX_UPPER - SPR_CHAR_START },
100 { UnicodeChar::c_circumflex, SPR_G2_C_CIRCUMFLEX_LOWER - SPR_CHAR_START },
101 { UnicodeChar::g_circumflex_uc, SPR_G2_G_CIRCUMFLEX_UPPER - SPR_CHAR_START },
102 { UnicodeChar::g_circumflex, SPR_G2_G_CIRCUMFLEX_LOWER - SPR_CHAR_START },
103 { UnicodeChar::h_circumflex_uc, SPR_G2_H_CIRCUMFLEX_UPPER - SPR_CHAR_START },
104 { UnicodeChar::h_circumflex, SPR_G2_H_CIRCUMFLEX_LOWER - SPR_CHAR_START },
105 { UnicodeChar::j_circumflex_uc, SPR_G2_J_CIRCUMFLEX_UPPER - SPR_CHAR_START },
106 { UnicodeChar::j_circumflex, SPR_G2_J_CIRCUMFLEX_LOWER - SPR_CHAR_START },
107 { UnicodeChar::s_circumflex_uc, SPR_G2_S_CIRCUMFLEX_UPPER - SPR_CHAR_START },
108 { UnicodeChar::s_circumflex, SPR_G2_S_CIRCUMFLEX_LOWER - SPR_CHAR_START },
109 { UnicodeChar::u_breve_uc, SPR_G2_U_BREVE_UPPER - SPR_CHAR_START },
110 { UnicodeChar::u_breve, SPR_G2_U_BREVE_LOWER - SPR_CHAR_START },
111
112 // Cyrillic alphabet
113 { UnicodeChar::cyrillic_io_uc, 203 - CS_SPRITE_FONT_OFFSET }, // Looks just like Ë
114 { UnicodeChar::cyrillic_a_uc, 'A' - CS_SPRITE_FONT_OFFSET },
115 { UnicodeChar::cyrillic_be_uc, SPR_G2_CYRILLIC_BE_UPPER - SPR_CHAR_START },
116 { UnicodeChar::cyrillic_ve_uc, 'B' - CS_SPRITE_FONT_OFFSET },
117 { UnicodeChar::cyrillic_ghe_uc, SPR_G2_CYRILLIC_GHE_UPPER - SPR_CHAR_START },
118 { UnicodeChar::cyrillic_de_uc, SPR_G2_CYRILLIC_DE_UPPER - SPR_CHAR_START },
119 { UnicodeChar::cyrillic_ie_uc, 'E' - CS_SPRITE_FONT_OFFSET },
120 { UnicodeChar::cyrillic_zhe_uc, SPR_G2_CYRILLIC_ZHE_UPPER - SPR_CHAR_START },
121 { UnicodeChar::cyrillic_ze_uc, SPR_G2_CYRILLIC_ZE_UPPER - SPR_CHAR_START },
122 { UnicodeChar::cyrillic_i_uc, SPR_G2_CYRILLIC_I_UPPER - SPR_CHAR_START },
123 { UnicodeChar::cyrillic_short_i_uc, SPR_G2_CYRILLIC_SHORT_I_UPPER - SPR_CHAR_START },
124 { UnicodeChar::cyrillic_ka_uc, 'K' - CS_SPRITE_FONT_OFFSET },
125 { UnicodeChar::cyrillic_el_uc, SPR_G2_CYRILLIC_EL_UPPER - SPR_CHAR_START },
126 { UnicodeChar::cyrillic_em_uc, 'M' - CS_SPRITE_FONT_OFFSET },
127 { UnicodeChar::cyrillic_en_uc, 'H' - CS_SPRITE_FONT_OFFSET },
128 { UnicodeChar::cyrillic_o_uc, 'O' - CS_SPRITE_FONT_OFFSET },
129 { UnicodeChar::cyrillic_pe_uc, SPR_G2_CYRILLIC_PE_UPPER - SPR_CHAR_START },
130 { UnicodeChar::cyrillic_er_uc, 'P' - CS_SPRITE_FONT_OFFSET },
131 { UnicodeChar::cyrillic_es_uc, 'C' - CS_SPRITE_FONT_OFFSET },
132 { UnicodeChar::cyrillic_te_uc, 'T' - CS_SPRITE_FONT_OFFSET },
133 { UnicodeChar::cyrillic_u_uc, SPR_G2_CYRILLIC_U_UPPER - SPR_CHAR_START },
134 { UnicodeChar::cyrillic_ef_uc, SPR_G2_CYRILLIC_EF_UPPER - SPR_CHAR_START },
135 { UnicodeChar::cyrillic_ha_uc, 'X' - CS_SPRITE_FONT_OFFSET },
136 { UnicodeChar::cyrillic_tse_uc, SPR_G2_CYRILLIC_TSE_UPPER - SPR_CHAR_START },
137 { UnicodeChar::cyrillic_che_uc, SPR_G2_CYRILLIC_CHE_UPPER - SPR_CHAR_START },
138 { UnicodeChar::cyrillic_sha_uc, SPR_G2_CYRILLIC_SHA_UPPER - SPR_CHAR_START },
139 { UnicodeChar::cyrillic_shcha_uc, SPR_G2_CYRILLIC_SHCHA_UPPER - SPR_CHAR_START },
140 { UnicodeChar::cyrillic_hard_sign_uc, SPR_G2_CYRILLIC_HARD_SIGN_UPPER - SPR_CHAR_START },
141 { UnicodeChar::cyrillic_yeru_uc, SPR_G2_CYRILLIC_YERU_UPPER - SPR_CHAR_START },
142 { UnicodeChar::cyrillic_soft_sign_uc, SPR_G2_CYRILLIC_SOFT_SIGN_UPPER - SPR_CHAR_START },
143 { UnicodeChar::cyrillic_e_uc, SPR_G2_CYRILLIC_E_UPPER - SPR_CHAR_START },
144 { UnicodeChar::cyrillic_yu_uc, SPR_G2_CYRILLIC_YU_UPPER - SPR_CHAR_START },
145 { UnicodeChar::cyrillic_ya_uc, SPR_G2_CYRILLIC_YA_UPPER - SPR_CHAR_START },
146
147 { UnicodeChar::cyrillic_a, 'a' - CS_SPRITE_FONT_OFFSET },
148 { UnicodeChar::cyrillic_be, SPR_G2_CYRILLIC_BE_LOWER - SPR_CHAR_START },
149 { UnicodeChar::cyrillic_ve, SPR_G2_CYRILLIC_VE_LOWER - SPR_CHAR_START },
150 { UnicodeChar::cyrillic_ghe, SPR_G2_CYRILLIC_GHE_LOWER - SPR_CHAR_START },
151 { UnicodeChar::cyrillic_de, SPR_G2_CYRILLIC_DE_LOWER - SPR_CHAR_START },
152 { UnicodeChar::cyrillic_ie, 'e' - CS_SPRITE_FONT_OFFSET },
153 { UnicodeChar::cyrillic_zhe, SPR_G2_CYRILLIC_ZHE_LOWER - SPR_CHAR_START },
154 { UnicodeChar::cyrillic_ze, SPR_G2_CYRILLIC_ZE_LOWER - SPR_CHAR_START },
155 { UnicodeChar::cyrillic_i, SPR_G2_CYRILLIC_I_LOWER - SPR_CHAR_START },
156 { UnicodeChar::cyrillic_short_i, SPR_G2_CYRILLIC_SHORT_I_LOWER - SPR_CHAR_START },
157 { UnicodeChar::cyrillic_ka, SPR_G2_CYRILLIC_KA_LOWER - SPR_CHAR_START },
158 { UnicodeChar::cyrillic_el, SPR_G2_CYRILLIC_EL_LOWER - SPR_CHAR_START },
159 { UnicodeChar::cyrillic_em, SPR_G2_CYRILLIC_EM_LOWER - SPR_CHAR_START },
160 { UnicodeChar::cyrillic_en, SPR_G2_CYRILLIC_EN_LOWER - SPR_CHAR_START },
161 { UnicodeChar::cyrillic_o, 'o' - CS_SPRITE_FONT_OFFSET },
162 { UnicodeChar::cyrillic_pe, SPR_G2_CYRILLIC_PE_LOWER - SPR_CHAR_START },
163 { UnicodeChar::cyrillic_er, 'p' - CS_SPRITE_FONT_OFFSET },
164 { UnicodeChar::cyrillic_es, 'c' - CS_SPRITE_FONT_OFFSET },
165 { UnicodeChar::cyrillic_te, SPR_G2_CYRILLIC_TE_LOWER - SPR_CHAR_START },
166 { UnicodeChar::cyrillic_u, 'y' - CS_SPRITE_FONT_OFFSET },
167 { UnicodeChar::cyrillic_ef, SPR_G2_CYRILLIC_EF_LOWER - SPR_CHAR_START },
168 { UnicodeChar::cyrillic_ha, 'x' - CS_SPRITE_FONT_OFFSET },
169 { UnicodeChar::cyrillic_tse, SPR_G2_CYRILLIC_TSE_LOWER - SPR_CHAR_START },
170 { UnicodeChar::cyrillic_che, SPR_G2_CYRILLIC_CHE_LOWER - SPR_CHAR_START },
171 { UnicodeChar::cyrillic_sha, SPR_G2_CYRILLIC_SHA_LOWER - SPR_CHAR_START },
172 { UnicodeChar::cyrillic_shcha, SPR_G2_CYRILLIC_SHCHA_LOWER - SPR_CHAR_START },
173 { UnicodeChar::cyrillic_hard_sign, SPR_G2_CYRILLIC_HARD_SIGN_UPPER - SPR_CHAR_START },
174 { UnicodeChar::cyrillic_yeru, SPR_G2_CYRILLIC_YERU_LOWER - SPR_CHAR_START },
175 { UnicodeChar::cyrillic_soft_sign, SPR_G2_CYRILLIC_SOFT_SIGN_LOWER - SPR_CHAR_START },
176 { UnicodeChar::cyrillic_e, SPR_G2_CYRILLIC_E_LOWER - SPR_CHAR_START },
177 { UnicodeChar::cyrillic_yu, SPR_G2_CYRILLIC_YU_LOWER - SPR_CHAR_START },
178 { UnicodeChar::cyrillic_ya, SPR_G2_CYRILLIC_YA_LOWER - SPR_CHAR_START },
179 { UnicodeChar::cyrillic_io, 235 - CS_SPRITE_FONT_OFFSET }, // Looks just like ë
180
181 // Punctuation
182 { UnicodeChar::non_breaking_space, ' ' - CS_SPRITE_FONT_OFFSET },
183 { UnicodeChar::interpunct, SPR_G2_INTERPUNCT - SPR_CHAR_START },
184 { UnicodeChar::multiplication_sign, CSChar::cross - CS_SPRITE_FONT_OFFSET },
185 { UnicodeChar::en_dash, '-' - CS_SPRITE_FONT_OFFSET },
186 { UnicodeChar::em_dash, '-' - CS_SPRITE_FONT_OFFSET },
187 { UnicodeChar::single_quote_open, '`' - CS_SPRITE_FONT_OFFSET },
188 { UnicodeChar::single_quote_end, '\'' - CS_SPRITE_FONT_OFFSET },
189 { UnicodeChar::single_german_quote_open, ',' - CS_SPRITE_FONT_OFFSET },
190 { UnicodeChar::german_quote_open, SPR_G2_GERMAN_OPENQUOTES - SPR_CHAR_START },
191 { UnicodeChar::bullet, CSChar::bullet - CS_SPRITE_FONT_OFFSET },
192 { UnicodeChar::ellipsis, SPR_G2_ELLIPSIS - SPR_CHAR_START },
193 { UnicodeChar::narrow_non_breaking_space, ' ' - CS_SPRITE_FONT_OFFSET },
194 { UnicodeChar::quote_open, CSChar::quote_open - CS_SPRITE_FONT_OFFSET },
195 { UnicodeChar::quote_close, CSChar::quote_close - CS_SPRITE_FONT_OFFSET },
196
197 // Currency
198 { UnicodeChar::guilder, SPR_G2_GUILDER_SIGN - SPR_CHAR_START },
199 { UnicodeChar::euro, CSChar::euro - CS_SPRITE_FONT_OFFSET },
200 { UnicodeChar::rouble, SPR_G2_ROUBLE_SIGN - SPR_CHAR_START },
201
202 // Dingbats
203 { UnicodeChar::up, CSChar::up - CS_SPRITE_FONT_OFFSET },
204 { UnicodeChar::small_up, CSChar::small_up - CS_SPRITE_FONT_OFFSET },
205 { UnicodeChar::right, CSChar::right - CS_SPRITE_FONT_OFFSET },
206 { UnicodeChar::down, CSChar::down - CS_SPRITE_FONT_OFFSET },
207 { UnicodeChar::small_down, CSChar::small_down - CS_SPRITE_FONT_OFFSET },
208 { UnicodeChar::left, CSChar::left - CS_SPRITE_FONT_OFFSET },
209 { UnicodeChar::air, CSChar::air - CS_SPRITE_FONT_OFFSET },
210 { UnicodeChar::tick, CSChar::tick - CS_SPRITE_FONT_OFFSET },
211 { UnicodeChar::plus, '+' - CS_SPRITE_FONT_OFFSET },
212 { UnicodeChar::minus, '-' - CS_SPRITE_FONT_OFFSET },
213
214 // Emoji
215 { UnicodeChar::cross, CSChar::cross - CS_SPRITE_FONT_OFFSET },
216 { UnicodeChar::water, CSChar::water - CS_SPRITE_FONT_OFFSET },
217 { UnicodeChar::road, CSChar::road - CS_SPRITE_FONT_OFFSET },
218 { UnicodeChar::railway, CSChar::railway - CS_SPRITE_FONT_OFFSET },
219
220 // Misc
221 { UnicodeChar::superscript_minus_one, CSChar::superscript_minus_one - CS_SPRITE_FONT_OFFSET },
222 };
223
224 static char32_t _smallestCodepointValue = 0;
225 static char32_t _biggestCodepointValue = 0;
226
227 /**
228 *
229 * rct2: 0x006C19AC
230 */
font_sprite_initialise_characters()231 void font_sprite_initialise_characters()
232 {
233 // Compute min and max that helps avoiding lookups for no reason.
234 _smallestCodepointValue = std::numeric_limits<char32_t>::max();
235 for (const auto& entry : codepointOffsetMap)
236 {
237 _smallestCodepointValue = std::min(_smallestCodepointValue, entry.first);
238 _biggestCodepointValue = std::max(_biggestCodepointValue, entry.first);
239 }
240
241 for (int32_t fontSize = 0; fontSize < FONT_SIZE_COUNT; fontSize++)
242 {
243 int32_t glyphOffset = fontSize * FONT_SPRITE_GLYPH_COUNT;
244 for (uint8_t glyphIndex = 0; glyphIndex < FONT_SPRITE_GLYPH_COUNT; glyphIndex++)
245 {
246 const rct_g1_element* g1 = gfx_get_g1_element(glyphIndex + SPR_CHAR_START + glyphOffset);
247 int32_t width = 0;
248 if (g1 != nullptr)
249 {
250 width = g1->width + (2 * g1->x_offset) - 1;
251 }
252
253 _spriteFontCharacterWidths[fontSize][glyphIndex] = static_cast<uint8_t>(width);
254 }
255 }
256
257 for (uint8_t fontSize : { FONT_SIZE_SMALL, FONT_SIZE_MEDIUM, FONT_SIZE_TINY })
258 {
259 int32_t glyphOffset = fontSize * SPR_G2_GLYPH_COUNT;
260 for (int32_t glyphIndex = 0; glyphIndex < SPR_G2_GLYPH_COUNT; glyphIndex++)
261 {
262 const rct_g1_element* g1 = gfx_get_g1_element(glyphIndex + SPR_G2_CHAR_BEGIN + glyphOffset);
263 int32_t width = 0;
264 if (g1 != nullptr)
265 {
266 width = g1->width + (2 * g1->x_offset) - 1;
267 }
268
269 _additionalSpriteFontCharacterWidth[fontSize][glyphIndex] = static_cast<uint8_t>(width);
270 }
271 }
272
273 scrolling_text_initialise_bitmaps();
274 }
275
font_sprite_get_codepoint_offset(int32_t codepoint)276 int32_t font_sprite_get_codepoint_offset(int32_t codepoint)
277 {
278 // Only search the table when its in range of the map.
279 if (static_cast<char32_t>(codepoint) >= _smallestCodepointValue
280 && static_cast<char32_t>(codepoint) <= _biggestCodepointValue)
281 {
282 auto result = codepointOffsetMap.find(codepoint);
283 if (result != codepointOffsetMap.end())
284 return result->second;
285 }
286
287 if (codepoint < 32 || codepoint >= 256)
288 codepoint = '?';
289
290 return codepoint - 32;
291 }
292
font_sprite_get_codepoint_width(FontSpriteBase fontSpriteBase,int32_t codepoint)293 int32_t font_sprite_get_codepoint_width(FontSpriteBase fontSpriteBase, int32_t codepoint)
294 {
295 if (fontSpriteBase == FontSpriteBase::MEDIUM_DARK || fontSpriteBase == FontSpriteBase::MEDIUM_EXTRA_DARK)
296 {
297 fontSpriteBase = FontSpriteBase::MEDIUM;
298 }
299
300 int32_t glyphIndex = font_sprite_get_codepoint_offset(codepoint);
301 int32_t baseFontIndex = font_get_font_index_from_sprite_base(fontSpriteBase);
302 if (glyphIndex >= FONT_SPRITE_GLYPH_COUNT)
303 {
304 glyphIndex = (SPR_CHAR_START + glyphIndex) - SPR_G2_CHAR_BEGIN;
305
306 if (glyphIndex >= static_cast<int32_t>(std::size(_additionalSpriteFontCharacterWidth[baseFontIndex])))
307 {
308 log_warning("Invalid glyph index %u", glyphIndex);
309 glyphIndex = 0;
310 }
311 return _additionalSpriteFontCharacterWidth[baseFontIndex][glyphIndex];
312 }
313
314 if (glyphIndex < 0 || glyphIndex >= static_cast<int32_t>(FONT_SPRITE_GLYPH_COUNT))
315 {
316 log_warning("Invalid glyph index %u", glyphIndex);
317 glyphIndex = 0;
318 }
319 return _spriteFontCharacterWidths[baseFontIndex][glyphIndex];
320 }
321
font_sprite_get_codepoint_sprite(FontSpriteBase fontSpriteBase,int32_t codepoint)322 int32_t font_sprite_get_codepoint_sprite(FontSpriteBase fontSpriteBase, int32_t codepoint)
323 {
324 int32_t offset = static_cast<int32_t>(fontSpriteBase);
325 auto codePointOffset = font_sprite_get_codepoint_offset(codepoint);
326 if (codePointOffset > FONT_SPRITE_GLYPH_COUNT)
327 {
328 offset = font_get_font_index_from_sprite_base(fontSpriteBase) * SPR_G2_GLYPH_COUNT;
329 }
330
331 return SPR_CHAR_START + (IMAGE_TYPE_REMAP | (offset + codePointOffset));
332 }
333
font_get_font_index_from_sprite_base(FontSpriteBase spriteBase)334 int32_t font_get_font_index_from_sprite_base(FontSpriteBase spriteBase)
335 {
336 switch (spriteBase)
337 {
338 case FontSpriteBase::TINY:
339 return FONT_SIZE_TINY;
340 case FontSpriteBase::SMALL:
341 return FONT_SIZE_SMALL;
342 default:
343 case FontSpriteBase::MEDIUM:
344 return FONT_SIZE_MEDIUM;
345 }
346 }
347
font_get_size_from_sprite_base(FontSpriteBase spriteBase)348 int32_t font_get_size_from_sprite_base(FontSpriteBase spriteBase)
349 {
350 switch (spriteBase)
351 {
352 case FontSpriteBase::TINY:
353 return 0;
354 case FontSpriteBase::SMALL:
355 return 1;
356 default:
357 case FontSpriteBase::MEDIUM:
358 return 2;
359 }
360 }
361
font_get_line_height(FontSpriteBase fontSpriteBase)362 int32_t font_get_line_height(FontSpriteBase fontSpriteBase)
363 {
364 int32_t fontSize = font_get_size_from_sprite_base(fontSpriteBase);
365 #ifndef NO_TTF
366 if (LocalisationService_UseTrueTypeFont())
367 {
368 return gCurrentTTFFontSet->size[fontSize].line_height;
369 }
370 #endif // NO_TTF
371 return SpriteFontLineHeight[fontSize];
372 }
373
font_get_line_height_small(FontSpriteBase fontSpriteBase)374 int32_t font_get_line_height_small(FontSpriteBase fontSpriteBase)
375 {
376 return font_get_line_height(fontSpriteBase) / 2;
377 }
378
font_supports_string_sprite(const utf8 * text)379 bool font_supports_string_sprite(const utf8* text)
380 {
381 const utf8* src = text;
382
383 uint32_t codepoint;
384 while ((codepoint = utf8_get_next(src, &src)) != 0)
385 {
386 bool supported = false;
387
388 if ((codepoint >= 32 && codepoint < 256)
389 || (codepoint >= UnicodeChar::cyrillic_a_uc && codepoint <= UnicodeChar::cyrillic_ya))
390 {
391 supported = true;
392 }
393
394 auto result = codepointOffsetMap.find(codepoint);
395 if (result != codepointOffsetMap.end())
396 supported = true;
397
398 if (!supported)
399 {
400 return false;
401 }
402 }
403 return true;
404 }
405
font_supports_string_ttf(const utf8 * text,int32_t fontSize)406 bool font_supports_string_ttf(const utf8* text, int32_t fontSize)
407 {
408 #ifndef NO_TTF
409 const utf8* src = text;
410 const TTF_Font* font = gCurrentTTFFontSet->size[fontSize].font;
411 if (font == nullptr)
412 {
413 return false;
414 }
415
416 uint32_t codepoint;
417 while ((codepoint = utf8_get_next(src, &src)) != 0)
418 {
419 bool supported = ttf_provides_glyph(font, codepoint);
420 if (!supported)
421 {
422 return false;
423 }
424 }
425 return true;
426 #else
427 return false;
428 #endif // NO_TTF
429 }
430
font_supports_string(const utf8 * text,int32_t fontSize)431 bool font_supports_string(const utf8* text, int32_t fontSize)
432 {
433 if (LocalisationService_UseTrueTypeFont())
434 {
435 return font_supports_string_ttf(text, fontSize);
436 }
437
438 return font_supports_string_sprite(text);
439 }
440