-
Notifications
You must be signed in to change notification settings - Fork 0
/
texture.cpp
358 lines (334 loc) · 17.7 KB
/
texture.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
#include "texture.hpp"
#define STB_TRUETYPE_IMPLEMENTATION
#include <stb_truetype.h>
#include <SDL2/SDL.h>
#include <array>
namespace {
constexpr std::array<SDL_Color, 256> paletteColors = {
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x00},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x01},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x02},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x03},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x04},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x05},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x06},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x07},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x08},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x09},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x0A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x0B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x0C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x0D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x0E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x0F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x10},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x11},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x12},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x13},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x14},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x15},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x16},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x17},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x18},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x19},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x1A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x1B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x1C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x1D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x1E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x1F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x20},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x21},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x22},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x23},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x24},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x25},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x26},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x27},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x28},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x29},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x2A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x2B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x2C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x2D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x2E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x2F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x30},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x31},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x32},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x33},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x34},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x35},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x36},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x37},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x38},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x39},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x3A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x3B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x3C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x3D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x3E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x3F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x40},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x41},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x42},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x43},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x44},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x45},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x46},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x47},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x48},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x49},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x4A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x4B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x4C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x4D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x4E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x4F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x50},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x51},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x52},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x53},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x54},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x55},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x56},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x57},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x58},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x59},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x5A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x5B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x5C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x5D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x5E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x5F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x60},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x61},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x62},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x63},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x64},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x65},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x66},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x67},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x68},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x69},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x6A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x6B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x6C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x6D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x6E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x6F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x70},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x71},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x72},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x73},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x74},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x75},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x76},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x77},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x78},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x79},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x7A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x7B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x7C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x7D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x7E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x7F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x80},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x81},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x82},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x83},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x84},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x85},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x86},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x87},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x88},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x89},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x8A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x8B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x8C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x8D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x8E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x8F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x90},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x91},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x92},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x93},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x94},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x95},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x96},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x97},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x98},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x99},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x9A},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x9B},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x9C},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x9D},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x9E},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0x9F},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA0},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA1},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA2},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA3},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA4},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA5},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA6},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA7},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA8},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xA9},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xAA},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xAB},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xAC},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xAD},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xAE},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xAF},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB0},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB1},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB2},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB3},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB4},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB5},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB6},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB7},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB8},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xB9},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xBA},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xBB},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xBC},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xBD},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xBE},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xBF},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC0},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC1},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC2},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC3},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC4},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC5},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC6},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC7},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC8},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xC9},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xCA},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xCB},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xCC},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xCD},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xCE},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xCF},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD0},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD1},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD2},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD3},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD4},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD5},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD6},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD7},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD8},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xD9},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xDA},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xDB},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xDC},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xDD},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xDE},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xDF},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE0},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE1},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE2},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE3},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE4},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE5},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE6},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE7},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE8},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xE9},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xEA},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xEB},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xEC},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xED},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xEE},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xEF},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF0},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF1},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF2},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF3},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF4},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF5},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF6},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF7},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF8},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xF9},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xFA},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xFB},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xFC},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xFD},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xFE},
SDL_Color{.r = 0xFF, .g = 0xFF, .b = 0xFF, .a = 0xFF},
};
SDL_Palette *palette = nullptr;
enum class InputType { Index, Codepoint };
GlyphTextureInfo DoCreateTexture(SDL_Renderer *renderer,
const stbtt_fontinfo &info, const int &input,
const InputType &type, const float &scale) {
int bearing;
int advance;
int c_x1, c_y1, c_x2, c_y2;
switch (type) {
case InputType::Codepoint:
stbtt_GetCodepointHMetrics(&info, input, &advance, &bearing);
stbtt_GetCodepointBitmapBox(&info, input, scale, scale, &c_x1, &c_y1, &c_x2,
&c_y2);
break;
case InputType::Index:
stbtt_GetGlyphHMetrics(&info, input, &advance, &bearing);
stbtt_GetGlyphBitmapBox(&info, input, scale, scale, &c_x1, &c_y1, &c_x2,
&c_y2);
break;
}
advance = static_cast<int>(roundf(advance * scale));
bearing = static_cast<int>(roundf(bearing * scale));
int y = c_y1;
int width = c_x2 - c_x1;
int height = c_y2 - c_y1;
auto surface = SDL_CreateRGBSurfaceWithFormat(
0, width, height, SDL_BITSPERPIXEL(SDL_PIXELFORMAT_INDEX8),
SDL_PIXELFORMAT_INDEX8);
SDL_SetSurfacePalette(surface, palette);
SDL_LockSurface(surface);
unsigned char *bitmap = reinterpret_cast<unsigned char *>(surface->pixels);
switch (type) {
case InputType::Codepoint:
stbtt_MakeCodepointBitmap(&info, bitmap, width, height, surface->pitch,
scale, scale, input);
break;
case InputType::Index:
stbtt_MakeGlyphBitmap(&info, bitmap, width, height, surface->pitch, scale,
scale, input);
break;
}
SDL_UnlockSurface(surface);
auto texture = SDL_CreateTextureFromSurface(renderer, surface);
if (texture != nullptr) {
SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
}
SDL_FreeSurface(surface);
return {
.texture = texture,
.advance = advance,
.dest = {bearing, static_cast<int>(y), width, height},
};
}
}; // namespace
void InitGlyphTexture() {
palette = SDL_AllocPalette(paletteColors.size());
SDL_SetPaletteColors(palette, paletteColors.data(), 0, paletteColors.size());
}
void CleanUpGlyphTexture() { SDL_FreePalette(palette); }
GlyphTextureInfo CreateTextureFromCodePoint(SDL_Renderer *renderer,
const stbtt_fontinfo &info,
const int &codepoint,
const float &scale) {
return DoCreateTexture(renderer, info, codepoint, InputType::Codepoint, scale);
}
GlyphTextureInfo CreateTextureFromIndex(SDL_Renderer *renderer,
const stbtt_fontinfo &info,
const int &index, const float &scale) {
return DoCreateTexture(renderer, info, index, InputType::Index, scale);
}