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
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
|
// ==============================================================
// This file is part of the MegaGlest Shared Library (www.megaglest.org)
//
// Copyright (C) 2011 Mark Vejvoda and others
//
// You can redistribute this code and/or modify it under
// the terms of the GNU General Public License as published
// by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version
// ==============================================================
#ifdef USE_FTGL
//#include "gettext.h"
#include "font_textFTGL.h"
#include "opengl.h"
#include <stdexcept>
#include <sys/stat.h>
#include <FTGL/ftgl.h>
#include "platform_common.h"
#include "util.h"
using namespace std;
using namespace Shared::Util;
using namespace Shared::PlatformCommon;
namespace Shared { namespace Graphics { namespace Gl {
string TextFTGL::langHeightText = "yW";
int TextFTGL::faceResolution = 72;
//====================================================================
TextFTGL::TextFTGL(FontTextHandlerType type) : Text(type) {
//throw megaglest_runtime_error("FTGL!");
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",0);
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/arphic/uming.ttc",0); // Chinese
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/arphic/ukai.ttc",0); // Chinese
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-sil-doulos/DoulosSILR.ttf",0); // Russian / Cyrillic
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-sil-charis/CharisSILR.ttf",0); // Russian / Cyrillic
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ubuntu-font-family/Ubuntu-R.ttf",0); // Russian / Cyrillic
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/takao/TakaoPGothic.ttf",0); // Japanese
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-sil-scheherazade/ScheherazadeRegOT.ttf",0); // Arabic
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/linux-libertine/LinLibertine_Re.ttf",0); // Hebrew
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/unifont/unifont.ttf",0); // Czech?
//setenv("MEGAGLEST_FONT","/usr/share/fonts/truetype/ttf-liberation/LiberationSans-Regular.ttf",0); // Czech?
fontFile = findFont();
//ftFont = new FTBufferFont(fontFile);
//ftFont = new FTGLPixmapFont(fontFile);
//ftFont = new FTGLExtrdFont(fontFile);
//ftFont = new FTGLPolygonFont("/usr/share/fonts/truetype/arphic/uming.ttc");
//ftFont = new FTGLPixmapFont("/usr/share/fonts/truetype/arphic/uming.ttc");
if(type == ftht_2D) {
ftFont = new FTGLPixmapFont(fontFile);
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("2D font [%s]\n",fontFile);
}
else if(type == ftht_3D) {
ftFont = new FTGLTextureFont(fontFile);
if(SystemFlags::VERBOSE_MODE_ENABLED) printf("3D font [%s]\n",fontFile);
}
else {
throw megaglest_runtime_error("font render type not set to a known value!");
}
if(ftFont->Error()) {
string fontFileName = (fontFile != NULL ? fontFile : "n/a");
printf("FTGL: error loading font: %s\n", fontFileName.c_str());
delete ftFont; ftFont = NULL;
if(fontFile != NULL) free((void*)fontFile);
fontFile = NULL;
throw megaglest_runtime_error(string("FTGL: error loading font: ") + fontFileName);
}
free((void*)fontFile);
fontFile = NULL;
const unsigned int defSize = 24;
ftFont->FaceSize(defSize,TextFTGL::faceResolution);
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for size = %u res = %d\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),defSize,TextFTGL::faceResolution);
fflush(stdout);
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error setting face size, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
//ftFont->UseDisplayList(false);
//ftFont->CharMap(ft_encoding_gb2312);
//ftFont->CharMap(ft_encoding_big5);
if(ftFont->CharMap(ft_encoding_unicode) == false) {
throw megaglest_runtime_error("FTGL: error setting encoding");
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error setting encoding, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
}
TextFTGL::~TextFTGL() {
cleanupFont();
}
void TextFTGL::cleanupFont() {
delete ftFont;
ftFont = NULL;
if(fontFile) {
free((void*)fontFile);
}
fontFile = NULL;
}
void TextFTGL::init(string fontName, string fontFamilyName, int fontSize) {
cleanupFont();
fontFile = findFont(fontName.c_str(),fontFamilyName.c_str());
//ftFont = new FTBufferFont(fontFile);
//ftFont = new FTGLPixmapFont(fontFile);
//ftFont = new FTGLExtrdFont(fontFile);
//ftFont = new FTGLPolygonFont("/usr/share/fonts/truetype/arphic/uming.ttc");
//ftFont = new FTGLPixmapFont("/usr/share/fonts/truetype/arphic/uming.ttc");
if(type == ftht_2D) {
ftFont = new FTGLPixmapFont(fontFile);
//printf("2D font [%s]\n",fontFile);
}
else if(type == ftht_3D) {
ftFont = new FTGLTextureFont(fontFile);
//ftFont = new FTBufferFont(fontFile);
//ftFont = new FTGLExtrdFont(fontFile);
//ftFont = new FTGLPolygonFont("/usr/share/fonts/truetype/arphic/uming.ttc");
//printf("3D font [%s]\n",fontFile);
}
else {
throw megaglest_runtime_error("font render type not set to a known value!");
}
if(ftFont->Error()) {
printf("FTGL: error loading font: %s\n", fontFile);
delete ftFont; ftFont = NULL;
if(fontFile) {
free((void*)fontFile);
}
fontFile = NULL;
throw megaglest_runtime_error("FTGL: error loading font");
}
free((void*)fontFile);
fontFile = NULL;
if(fontSize <= 0) {
fontSize = 24;
}
ftFont->FaceSize(fontSize,TextFTGL::faceResolution);
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for size = %d res = %d\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),fontSize,TextFTGL::faceResolution);
fflush(stdout);
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error setting face size, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
//ftFont->UseDisplayList(false);
//ftFont->CharMap(ft_encoding_gb2312);
//ftFont->CharMap(ft_encoding_big5);
if(ftFont->CharMap(ft_encoding_unicode) == false) {
throw megaglest_runtime_error("FTGL: error setting encoding");
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error setting encoding, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
// Create a string containing common characters
// and preload the chars without rendering them.
string preloadText = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890-=!@#$%^&*()_+:\"{}[]/?.,<>\\';";
ftFont->Advance(preloadText.c_str());
error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for text [%s]\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),preloadText.c_str());
fflush(stdout);
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error advancing(a), #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
}
void TextFTGL::SetFaceSize(int value) {
ftFont->FaceSize(value,TextFTGL::faceResolution);
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for facesize = %d\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),value);
fflush(stdout);
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error setting face size, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
}
int TextFTGL::GetFaceSize() {
return ftFont->FaceSize();
}
void TextFTGL::Render(const char* str, const int len) {
//printf("Render TextFTGL\n");
/*
FTGL renders the whole string when len == 0
but we don't want any text rendered then.
*/
if(len != 0) {
//printf("FTGL Render [%s] facesize = %d\n",str,ftFont->FaceSize());
assertGl();
ftFont->Render(str, len);
//assertGl();
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for text [%s]\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),str);
fflush(stdout);
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error trying to render, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
}
}
float TextFTGL::Advance(const char* str, const int len) {
float result = ftFont->Advance(str, len);
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for text [%s]\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),str);
fflush(stdout);
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error trying to advance(b), #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
return result;
//FTBBox box = ftFont->BBox(str);
//float urx = box.Upper().X();
//float llx = box.Lower().X();
//float llx, lly, llz, urx, ury, urz;
//ftFont->BBox(str, llx, lly, llz, urx, ury, urz);
//Short_t halign = fTextAlign/10;
//Short_t valign = fTextAlign - 10*halign;
//Float_t dx = 0, dy = 0;
// switch (halign) {
// case 1 : dx = 0 ; break;
// case 2 : dx = -urx/2; break;
// case 3 : dx = -urx ; break;
// }
// switch (valign) {
// case 1 : dy = 0 ; break;
// case 2 : dy = -ury/2; break;
// case 3 : dy = -ury ; break;
// }
//printf("For str [%s] advance = %f, urx = %f, llx = %f\n",str, ftFont->Advance(str, len),urx,llx);
//return urx;
}
float TextFTGL::LineHeight(const char* str, const int len) {
//FTBBox box = ftFont->BBox(str);
//printf("String [%s] lineheight = %f upper_y = %f lower_y = %f\n",str,ftFont->LineHeight(),box.Upper().Y(),box.Lower().Y());
//printf("ftFont->Ascender():%f ftFont->Descender()*-1 = %f ftFont->LineHeight() = %f\n",ftFont->Ascender(),ftFont->Descender()*-1 , ftFont->LineHeight());
//return ftFont->Ascender() + ftFont->Descender()*-1 - ftFont->LineHeight();
//return ftFont->LineHeight();
//static float result = -1000;
float result = -1000;
if(result == -1000) {
FTBBox box = ftFont->BBox(TextFTGL::langHeightText.c_str());
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for text [%s]\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),str);
fflush(stdout);
}
result = box.Upper().Yf()- box.Lower().Yf();
if(result == 0) {
result = ftFont->LineHeight();
GLenum error = glGetError();
if(error != GL_NO_ERROR) {
printf("\n[%s::%s] Line %d Error = %d [%s] for text [%s]\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),str);
fflush(stdout);
}
}
//printf("ftFont->BBox(''yW'')%f\n",result);
}
// else {
// FTBBox box = ftFont->BBox(TextFTGL::langHeightText.c_str());
//
// GLenum error = glGetError();
// if(error != GL_NO_ERROR) {
// printf("\n[%s::%s] Line %d Error = %d [%s] for text [%s]\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),str);
// fflush(stdout);
// }
//
// int newresult = box.Upper().Y()- box.Lower().Y();
// if(newresult == 0) {
// newresult = ftFont->LineHeight();
//
// GLenum error = glGetError();
// if(error != GL_NO_ERROR) {
// printf("\n[%s::%s] Line %d Error = %d [%s] for text [%s]\n",__FILE__,__FUNCTION__,__LINE__,error,gluErrorString(error),str);
// fflush(stdout);
// }
// }
//
// printf("Height for [%s] result [%d] [%d]\n",str,result,newresult);
// }
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error trying to get lineheight, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
return result;
// printf("For str [%s] LineHeight = %f, result = %f\n",str, ftFont->LineHeight(),result);
// return result;
//float urx = box.Upper().X();
//float llx = box.Lower().X();
//float llx, lly, llz, urx, ury, urz;
//ftFont->BBox(str, llx, lly, llz, urx, ury, urz);
//return ury - lly;
//Short_t halign = fTextAlign/10;
//Short_t valign = fTextAlign - 10*halign;
//Float_t dx = 0, dy = 0;
// switch (halign) {
// case 1 : dx = 0 ; break;
// case 2 : dx = -urx/2; break;
// case 3 : dx = -urx ; break;
// }
// switch (valign) {
// case 1 : dy = 0 ; break;
// case 2 : dy = -ury/2; break;
// case 3 : dy = -ury ; break;
// }
//printf("For str [%s] advance = %f, urx = %f, llx = %f\n",str, ftFont->Advance(str, len),urx,llx);
//return urx;
}
float TextFTGL::LineHeight(const wchar_t* str, const int len) {
static float result = -1000;
if(result == -1000) {
FTBBox box = ftFont->BBox(TextFTGL::langHeightText.c_str());
result = box.Upper().Yf()- box.Lower().Yf();
if(result == 0) {
result = ftFont->LineHeight();
}
//printf("ftFont->BBox(''yW'')%f\n",result);
}
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error trying to get lineheight, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
return result;
}
void TextFTGL::Render(const wchar_t* str, const int len) {
/*
FTGL renders the whole string when len == 0
but we don't want any text rendered then.
*/
if(len != 0) {
ftFont->Render(str, len);
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error trying to render, #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
}
}
float TextFTGL::Advance(const wchar_t* str, const int len) {
float result = ftFont->Advance(str, len);
if(ftFont->Error()) {
char szBuf[8096]="";
snprintf(szBuf,8096,"FTGL: error trying to advance(c), #%d",ftFont->Error());
throw megaglest_runtime_error(szBuf);
}
return result;
}
}}}//end namespace
#endif // USE_FTGL
|
