-
Notifications
You must be signed in to change notification settings - Fork 2
/
displaybase.c
1169 lines (990 loc) · 40.7 KB
/
displaybase.c
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
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*************************************************************** -*- c++ -*-
* Copyright (c) 2005 by Udo Richter *
* Copyright (c) 2021 by Peter Bieringer (extenions) *
* *
* displaybase.c - Base class for rendering a teletext cRenderPage to *
* an actual VDR OSD. *
* *
* This program 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; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <strings.h>
#include <time.h>
#include <vdr/tools.h>
#include "displaybase.h"
#include "txtfont.h"
#include <iostream>
#include "logging.h"
std::string cDisplay::TXTFontFootprint = "";
int cDisplay::realFontWidths[5] = {0};
int cDisplay::realFontHeights[5] = {0};
cDisplay::cDisplay(int width, int height)
: Zoom(Zoom_Off), Concealed(true), Blinked(false), FlushLock(0),
Boxed(false), Width(width), Height(height), Background(clrGray50),
Paused(false),
PageIdDisplayedEver(false),
osd(NULL),
outputWidth(0), outputHeight(0),
leftFrame(0), rightFrame(0), topFrame(0), bottomFrame(0),
MessageFont(NULL), MessageBorder(0),
MessageX(0), MessageY(0),
MessageW(0), MessageH(0),
TXTFont(NULL), TXTDblWFont(NULL), TXTDblHFont(NULL), TXTDblHWFont(NULL), TXTHlfHFont(NULL)
{
}
cDisplay::~cDisplay() {
DELETENULL(osd);
DELETENULL(TXTFont);
DELETENULL(TXTDblWFont);
DELETENULL(TXTDblHFont);
DELETENULL(TXTDblHWFont);
DELETENULL(TXTHlfHFont);
DELETENULL(MessageFont);
}
// This is an improved detection mechanism (still ugly hack, any ideas on how to get font size with characters (glyphs) of specified width/height?)
// TODO: shrinking in case of italic fonts
cFont *cDisplay::GetFont(const char *name, int fontIndex, int height, int width) {
const int heightOrig = height;
const int widthOrig = width;
DEBUG_OT_FONT("called with font %s index %d with requested w=%3d h=%3d", name, fontIndex, widthOrig, heightOrig);
cFont *font = cFont::CreateFont(name, height, width);
if (font != NULL) {
int realWidth = font->Width('W');
int realHeight = font->Height();
DEBUG_OT_FONT("INITIAL fontWidth =%3d -> realWidth =%3d requestedWidth =%3d", width, realWidth, widthOrig);
if (realWidth > 0) {
for (int i = (width * width) / realWidth; i < width * 4; i++) {
DELETENULL(font);
font = cFont::CreateFont(name, heightOrig, i);
if (font != NULL) {
realWidth = font->Width('W');
DEBUG_OT_FONT("TEST result fontWidth =%3d -> realWidth =%3d %s requestedWidth =%3d"
, i, realWidth
, (realWidth > widthOrig) ? "> " : "<="
, widthOrig);
if (realWidth > widthOrig) {
// too large, select last one and finish
width = i - 1;
realFontWidths[fontIndex] = width; // store in cache
break;
}
}
}
} else {
esyslog("osdteletext: font %s returned realWidth of 0 (should not happen, please try a different font)", name);
}
DEBUG_OT_FONT("INITIAL fontHeight=%3d -> realHeight=%3d requestedHeight=%3d", height, realHeight, heightOrig);
if (realHeight > 0) {
for (int i = height * height / realHeight; i < height * 4; i++) {
DELETENULL(font);
font = cFont::CreateFont(name, i, widthOrig);
if (font != NULL) {
realHeight = font->Height();
DEBUG_OT_FONT("TEST result fontHeight=%3d -> realHeight=%3d %s requestedHeight=%3d"
, i, realHeight
, (realHeight > heightOrig) ? "> " : "<="
, heightOrig);
if (realHeight > heightOrig) {
// too large, select last one and finish
height = i - 1;
realFontHeights[fontIndex] = height; // store in cache
break;
}
}
}
} else {
esyslog("osdteletext: font %s returned realHeight of 0 (should not happen, please try a different font)", name);
}
}
DELETENULL(font);
font = cFont::CreateFont(name, height, width); // recreate with final height and width from above
DEBUG_OT_FONT("font %s index %d with requested w=%3d h=%3d => probed size w=%3d h=%3d", name, fontIndex, widthOrig, heightOrig, width, height);
return font;
}
std::string cDisplay::GetFontFootprint(const char *name) {
return std::string(cString::sprintf("%s_%d_%d_%d", name, fontWidth, fontHeight, Zoom));
}
void cDisplay::InitScaler() {
// Set up the scaling factors. Also do zoom mode by
// scaling differently.
fontWidth = (outputWidth * 2 / 40) & 0xfffe;
if (Zoom == Zoom_Off) {
fontHeight = (outputHeight * 2 / TT_DISPLAY_LINES) & 0xfffe;
} else {
fontHeight = (outputHeight * 2 * 2 / TT_DISPLAY_LINES) & 0xfffe;
}
// use even font size for double sized characters (prevents rounding errors during character display)
fontWidth &= 0xfffe;
fontHeight &= 0xfffe;
DEBUG_OT_SCALER("osdteletext: InitScaler width=%d height=%d fontWidth*2=%d fontHeight=%d lineMode24=%d Zoom=%d", outputWidth, outputHeight, fontWidth, fontHeight, ttSetup.lineMode24, Zoom);
int txtFontWidth = fontWidth;
int txtFontHeight = fontHeight;
const char *txtFontName = TTSETUPPRESET_FONTNAME(Font);
std::string footprint = GetFontFootprint(txtFontName);
if (footprint.compare(TXTFontFootprint) == 0) {
// cached
DEBUG_OT_FONT("call cFont::CreateFont for: %s", txtFontName);
TXTFont = cFont::CreateFont(txtFontName, realFontHeights[0], realFontWidths[0]);
TXTDblWFont = cFont::CreateFont(txtFontName, realFontHeights[1], realFontWidths[1]);
TXTDblHFont = cFont::CreateFont(txtFontName, realFontHeights[2], realFontWidths[2]);
TXTDblHWFont = cFont::CreateFont(txtFontName, realFontHeights[3], realFontWidths[3]);
TXTHlfHFont = cFont::CreateFont(txtFontName, realFontHeights[4], realFontWidths[4]);
} else {
TXTFontFootprint = footprint;
DEBUG_OT_FONT("call GetFont for: %s", txtFontName);
TXTFont = GetFont(txtFontName, 0, txtFontHeight / 2, txtFontWidth / 2);
TXTDblWFont = GetFont(txtFontName, 1, txtFontHeight / 2, txtFontWidth);
TXTDblHFont = GetFont(txtFontName, 2, txtFontHeight, txtFontWidth / 2);
TXTDblHWFont = GetFont(txtFontName, 3, txtFontHeight, txtFontWidth);
TXTHlfHFont = GetFont(txtFontName, 4, txtFontHeight / 4, txtFontWidth / 2);
}
// calculate scaled Height depending of outputHeight
int MessageFontHeight = ceil((float) (Setup.FontOsdSize * outputHeight) / (float) cOsd::OsdHeight());
DEBUG_OT_FONT("create MessageFont with height based on Setup.FontOsdSize=%d outputHeight=%d cOsd::OsdHeight=%d -> MessageFontHeight=%d", Setup.FontOsdSize, outputHeight, cOsd::OsdHeight(), MessageFontHeight);
MessageFont = cFont::CreateFont(Setup.FontOsd, MessageFontHeight);
// scale border depending on width, base: 720 -> 6
MessageBorder = ceil((float) (6 * outputWidth) / (float) 720);
}
bool cDisplay::SetBlink(bool blink) {
DEBUG_OT_BLINK("called with blink=%d", blink);
int x,y;
bool Change=false;
if (blink==Blinked) return false;
// touch all blinking chars
for (y=0;y<25;y++) {
for (x=0;x<40;x++) {
if (Page[x][y].GetBlink()) {
Page[x][y].SetDirty(true);
Change=true;
}
}
}
Blinked=blink;
if (Change) Dirty=true;
Flush();
return Change;
}
bool cDisplay::SetConceal(bool conceal) {
int x,y;
bool Change=false;
if (conceal==Concealed) return false;
// touch all concealed chars
for (y=0;y<25;y++) {
for (x=0;x<40;x++) {
if (Page[x][y].GetConceal()) {
Page[x][y].SetDirty(true);
Change=true;
}
}
}
Concealed=conceal;
if (Change) Dirty=true;
Flush();
return Change;
}
bool cDisplay::HasConceal() {
int x,y;
bool HasConceal=false;
// check all concealed chars
for (y=0;y<25;y++) {
for (x=0;x<40;x++) {
if (Page[x][y].GetConceal()) {
HasConceal=true;
}
}
}
return HasConceal;
}
void cDisplay::SetZoom(enumZoom zoom) {
DEBUG_OT_DBFC("called: zoom=%d", zoom);
if (!osd) return;
if (Zoom==zoom) return;
Zoom=zoom;
// Re-initialize scaler to let zoom take effect
InitScaler();
Dirty=true;
DirtyAll=true;
Flush();
}
void cDisplay::SetBackgroundColor(tColor c) {
DEBUG_OT_DBFC("called: tColor=0x%08x", c);
Background=c;
CleanDisplay();
Flush();
}
void cDisplay::CleanDisplay() {
tColor bgc;
if (!osd) return;
if (Boxed)
bgc = GetColorRGB(ttcTransparent,0);
else if (m_debugmask & DEBUG_MASK_OT_ACT_OSD_BACK_RED)
bgc = GetColorRGB(ttcRed,0);
else
bgc = Background;
DEBUG_OT_RENCLN("called: outputWidth=%d outputHeight=%d boxed=%s color=0x%08x", outputWidth, outputHeight, BOOLTOTEXT(Boxed), bgc);
osd->DrawRectangle(0, 0, outputWidth - 1 + leftFrame + rightFrame, outputHeight - 1 + topFrame + bottomFrame, bgc);
// repaint all
Dirty=true;
DirtyAll=true;
}
// AARRGGBB
#define COLOR_HALF(clr) ((clr & 0xff000000) | ((clr & 0x00fe0000) >> 1) | ((clr & 0x0000fe00) >> 1) | ((clr & 0x000000fe) >> 1))
tColor cDisplay::GetColorRGB(enumTeletextColor ttc, int Area) {
switch (ttc) {
case ttcBlack: return Background;
case ttcRed: return clrRed;
case ttcGreen: return clrGreen;
case ttcYellow: return clrYellow;
case ttcBlue: return clrBlue;
case ttcMagenta: return clrMagenta;
case ttcCyan: return clrCyan;
case ttcWhite: return clrWhite;
case ttcTransparent: return clrTransparent;
case ttcHalfRed: return COLOR_HALF(clrRed);
case ttcHalfGreen: return COLOR_HALF(clrGreen);
case ttcHalfYellow: return COLOR_HALF(clrYellow);
case ttcHalfBlue: return COLOR_HALF(clrBlue);
case ttcHalfMagenta: return COLOR_HALF(clrMagenta);
case ttcHalfCyan: return COLOR_HALF(clrCyan);
case ttcGrey: return COLOR_HALF(clrWhite);
// 16-31 according to ETSI EN 300 706 V1.2.1 (2003-012.4) 12.4
case ttcColor16: return 0xFFFC005C;
case ttcColor17: return 0xFFFC7C00;
case ttcColor18: return 0xFF00FC7C;
case ttcColor19: return 0xFFFCFCBC;
case ttcColor20: return 0xFFFCFCBC;
case ttcColor21: return 0xFF00CCAC;
case ttcColor22: return 0xFF5C0000;
case ttcColor23: return 0xFF6C5C2C;
case ttcColor24: return 0xFFCC7C7C;
case ttcColor25: return 0xFF3C3C3C; // grey25
case ttcColor26: return 0xFFFC7C7C;
case ttcColor27: return 0xFF7CFC7C;
case ttcColor28: return 0xFFFCFC7C;
case ttcColor29: return 0xFF7C7CFC;
case ttcColor30: return 0xFF7CFCFC;
case ttcColor31: return 0xFFDCDCDC; // grey75
default: return Background;
}
}
tColor cDisplay::GetColorRGBAlternate(enumTeletextColor ttc, int Area) {
// TODO implement ??
return GetColorRGB(ttc,Area);
}
void cDisplay::RenderTeletextCode(unsigned char *PageCode) {
// Interprete teletext code referenced by PageCode
// and draw the whole page content into OSD.
// PageCode must be a buffer containing TelePageData structure (see storage.h)
HoldFlush();
cRenderPage::ReadTeletextHeader(PageCode);
DEBUG_OT_RENCLN("called with Boxed=%s Flags=0x%02x", BOOLTOTEXT(Boxed), Flags);
if (!Boxed && (Flags&0x60)!=0) {
DEBUG_OT_RENCLN("Toggle Boxed: false->true");
Boxed=true;
CleanDisplay();
} else if (Boxed && (Flags&0x60)==0) {
DEBUG_OT_RENCLN("Toggle Boxed: true->false");
Boxed=false;
CleanDisplay();
}
if (memcmp(PageCode, "VTXV5", 5) != 0) {
esyslog("osdteletext: cDisplay::RenderTeletextCode called with PageCode which is not starting with 'VTXV5' (not supported)");
return;
};
cRenderPage::RenderTeletextCode(PageCode+12);
ReleaseFlush();
}
void cDisplay::DrawDisplay() {
DEBUG_OT_DD("called with Blinked=%d Concealed=%d Dirty=%s DirtyAll=%s IsDirty()=%s", Blinked, Concealed, BOOLTOTEXT(Dirty), BOOLTOTEXT(DirtyAll), BOOLTOTEXT(IsDirty()));
int x,y;
if (!IsDirty()) return; // nothing to do
for (y = 0; y < TT_DISPLAY_LINES; y++) {
for (x=0;x<40;x++) {
if (IsDirty(x,y)) {
// Need to draw char to osd
cTeletextChar c=Page[x][y];
c.SetDirty(false);
if ((Blinked && c.GetBlink()) || (Concealed && c.GetConceal())) {
DEBUG_OT_BLINK("blink by replacing char %08x with ' ' on x=%d y=%d", c.GetC(), x, y);
c.SetChar(0x20);
c.SetCharset(CHARSET_LATIN_G0_DE);
}
DrawChar(x,y,c);
}
}
}
Dirty=false;
DirtyAll=false;
}
inline bool IsPureChar(unsigned int *bitmap) {
// Check if character is pure foreground or
// pure background color
int i;
if (bitmap[0]==0x0000) {
for (i=1;i<10;i++) {
if (bitmap[i]!=0x0000) return false;
}
} else if (bitmap[0]==0xfff0) {
for (i=1;i<10;i++) {
if (bitmap[i]!=0xfff0) return false;
}
} else {
return false;
}
return true;
}
void cDisplay::DrawChar(int x, int y, cTeletextChar c) {
// Get colors
enumTeletextColor ttfg=c.GetFGColor();
enumTeletextColor ttbg=c.GetBGColor();
static int cache_txtVoffset = 0;
static int cache_outputHeight = 0;
static int cache_OsdHeight = 0;
static int cache_Vshift = 0;
static int cache_valid = 0;
if (!osd) return;
if (Boxed && c.GetBoxedOut()) {
ttbg=ttcTransparent;
ttfg=ttcTransparent;
}
tColor fg=GetColorRGB(ttfg, 0);
tColor bg=GetColorRGB(ttbg, 0);
char buf[5];
uint t = GetVTXChar(c);
int tl = Utf8CharSet(t, buf);
buf[tl] = 0;
const cFont *font = TXTFont; // FIXED: -Wmaybe-uninitialized
int charset = c.GetCharset();
int fontType = 0;
int w = fontWidth / 2;
int h = fontHeight / 2;
if (c.GetDblWidth() != dblw_Normal) {
fontType |= 1;
w = fontWidth;
}
if (c.GetDblHeight() != dblh_Normal) {
fontType |= 2;
h = fontHeight;
}
bool isGraphicsChar;
if (charset == CHARSET_GRAPHICS_G1 || charset == CHARSET_GRAPHICS_G1_SEP) {
isGraphicsChar = true;
} else {
if (c.GetChar() == 0x7f) // filled rectangle
isGraphicsChar = true;
else
isGraphicsChar = false;
switch(fontType) {
case 0:
font = TXTFont;
break;
case 1:
font = TXTDblWFont;
break;
case 2:
font = TXTDblHFont;
break;
case 3:
font = TXTDblHWFont;
break;
}
}
bool h_scale_div2 = false;
int lines_div2 = 0;
if (Zoom == Zoom_Lower) {
y -= 12;
if (y < 0 || y > 11) {
if ((ttSetup.lineMode24 != HintLinesNone) && (y >= 12)) {
// display special line >= 25 in half height
h /= 2;
h_scale_div2 = true;
font = TXTHlfHFont;
lines_div2 = y - 12;
} else {
// display only line 12-23 (12 lines)
return;
};
};
};
if (Zoom == Zoom_Upper) {
if (y > 11) {
if ((ttSetup.lineMode24 != HintLinesNone) && (y >= 24)) {
// display special line >= 25 in half height
y -= 12;
h /= 2;
h_scale_div2 = true;
font = TXTHlfHFont;
lines_div2 = y - 12;
} else {
// display only line 0-11 (12 lines)
return;
};
};
};
if ((m_debugmask & DEBUG_MASK_OT_ACT_LIMIT_LINES) && (y > 8)) return;
int vx = x * fontWidth / 2;
int vy = y * fontHeight / 2 - lines_div2 * h;
bool drawChar = true;
if (c.GetDblWidth() == dblw_Right) {
drawChar = false;
}
if (c.GetDblHeight() == dblh_Bottom) {
drawChar = false;
}
if (drawChar) {
if (isGraphicsChar) {
unsigned int buffer[10];
unsigned int *charmap;
// Get character face:
charmap=GetFontChar(c,buffer);
if (!charmap) {
// invalid - clear buffer
bzero(&buffer,sizeof buffer);
charmap=buffer;
}
cBitmap charBm(w, h, 24);
if (m_debugmask & DEBUG_MASK_OT_ACT_CHAR_BACK_BLUE)
charBm.DrawRectangle(0, 0, w - 1, h - 1, GetColorRGB(ttcBlue,0));
else
charBm.DrawRectangle(0, 0, w - 1, h - 1, bg);
// draw scaled graphics char
int virtY = 0;
while (virtY<=h) {
int bitline;
bitline=charmap[virtY * 10 / h / ((h_scale_div2 == true) ? 2 : 1)];
int virtX=0;
while (virtX < w) {
int bit=(virtX * 12 / w);
if (bitline&(0x8000>>bit)) {
charBm.DrawPixel(virtX,virtY,fg);
// } else {
// charBm.DrawPixel(virtX,virtY,bg);
}
virtX++;
}
virtY++;
}
osd->DrawBitmap(vx + leftFrame, vy + topFrame, charBm);
} else {
cBitmap charBm(w, h, 24);
if (m_debugmask & DEBUG_MASK_OT_ACT_CHAR_BACK_BLUE)
charBm.DrawRectangle(0, 0, w - 1, h - 1, GetColorRGB(ttcBlue,0));
else
charBm.DrawRectangle(0, 0, w - 1, h - 1, bg);
// charBm.DrawText(0, 0, buf, fg, bg, font);
if (
(cache_valid == 0) || (
(cache_txtVoffset != TTSETUPPRESET(Voffset))
|| (cache_outputHeight != outputHeight )
|| (cache_OsdHeight != cOsd::OsdHeight() )
)
) {
cache_valid = 1;
cache_txtVoffset = TTSETUPPRESET(Voffset);
cache_outputHeight = outputHeight;
cache_OsdHeight = cOsd::OsdHeight();
cache_Vshift = (cache_txtVoffset * cache_outputHeight) / cache_OsdHeight;
DEBUG_OT_DTXT("osdteletext: DrawText vertical shift cache updated: txtVoffset=%d outputHeight=%d OsdHeight=%d => Vshift=%d", cache_txtVoffset, cache_outputHeight, cache_OsdHeight, cache_Vshift);
};
if ((m_debugline >= 0) && (y == m_debugline)) {
DEBUG_OT_DCHR("y=%2d x=%2d vy=%4d vx=%4d w=%d h=%d cache_Vshift=%d ttfg=%d fg=0x%08x ttbg=%d bg=0x%08x BoxedOut=%d text charset=0x%04x char='%s'", y, x, vy, vx, w, h, cache_Vshift, ttfg, fg, ttbg, bg, c.GetBoxedOut(), charset, buf);
};
charBm.DrawText(0, cache_Vshift, buf, fg, 0, font, 0, 0);
if (m_debugmask & DEBUG_MASK_OT_DCHR) {
// draw a bunch of markers into bitmap
tColor color = GetColorRGB(ttcRed,0);
if(((x % 2 != 0) && ((y % 2) == 0)) || ((x % 2 == 0) && ((y % 2) != 0)))
color = GetColorRGB(ttcBlue,0);
for (int i = 0; i < w; i++) {
charBm.DrawPixel(i , 0 , color); // horizontal top
charBm.DrawPixel(i , h - 1, color); // horizontal bottom
if ((h > 2) && ((i % 5) == 0)) {
// mark at 5
charBm.DrawPixel(i , 0 + 1, color); // horizontal top
charBm.DrawPixel(i , h - 2, color); // horizontal bottom
};
if ((h > 4) && ((i % 10) == 0)) {
// mark at 10
charBm.DrawPixel(i , 0 + 2, color); // horizontal top
charBm.DrawPixel(i , 0 + 3, color); // horizontal top
charBm.DrawPixel(i , h - 2, color); // horizontal bottom
charBm.DrawPixel(i , h - 3, color); // horizontal bottom
};
};
for (int i = 0; i < h; i++) {
charBm.DrawPixel(0 , i, color); // vertical left
charBm.DrawPixel(w - 1 , i, color); // vertical right
if ((w > 2) && ((i % 5) == 0)) {
// mark at 5
charBm.DrawPixel(0 + 1 , i, color); // vertical left
charBm.DrawPixel(w - 1 , i, color); // vertical right
};
if ((w > 4) && ((i % 10) == 0)) {
// mark at 10
charBm.DrawPixel(0 + 2 , i, color); // vertical left
charBm.DrawPixel(0 + 3 , i, color); // vertical left
charBm.DrawPixel(w - 2 , i, color); // vertical right
charBm.DrawPixel(w - 3 , i, color); // vertical right
};
};
};
osd->DrawBitmap(vx + leftFrame, vy + topFrame, charBm);
}
}
}
uint8_t UTF8toTeletextChar(const uint8_t c1, const uint8_t c2, enumCharsets *TeletextCharset) {
// Convert UTF char into TeletextChar and set related TeletextCharset
uint8_t TeletextChar = '?'; // default "unknown"
*TeletextCharset = CHARSET_LATIN_G0; // default
switch (c1) {
case 0xc3:
switch (c2) {
// CHARSET_LATIN_G0_DE
case 0x84: // LATIN CAPITAL LETTER A WITH DIAERESIS
TeletextChar = 0x5b; *TeletextCharset = CHARSET_LATIN_G0_DE;
break;
case 0x96: // LATIN CAPITAL LETTER O WITH DIAERESIS
TeletextChar = 0x5c; *TeletextCharset = CHARSET_LATIN_G0_DE;
break;
case 0x9c: // LATIN CAPITAL LETTER U WITH DIAERESIS
TeletextChar = 0x7d; *TeletextCharset = CHARSET_LATIN_G0_DE;
break;
case 0xa4: // LATIN SMALL LETTER A WITH DIAERESIS
TeletextChar = 0x7b; *TeletextCharset = CHARSET_LATIN_G0_DE;
break;
case 0xb6: // LATIN SMALL LETTER O WITH DIAERESIS
TeletextChar = 0x7c; *TeletextCharset = CHARSET_LATIN_G0_DE;
break;
case 0xbc: // LATIN SMALL LETTER U WITH DIAERESIS
TeletextChar = 0x7d; *TeletextCharset = CHARSET_LATIN_G0_DE;
break;
case 0x9f: // LATIN SMALL LETTER SHARP S
TeletextChar = 0x7e; *TeletextCharset = CHARSET_LATIN_G0_DE;
break;
}
// TODO: implement other required mapping
}
return (TeletextChar);
}
void cDisplay::DrawTextExtended(const int x, const int y, const char *text, const int len, const enumAlignment alignment, const enumTeletextColor ttcFg, enumTeletextColor const ttcBg) {
// Copy text to teletext page with alignment and foreground/background color
int len_text_utf8 = Utf8StrLen(text);
int len_text = strlen(text);
DEBUG_OT_DTXT("called with x=%d y=%d len=%d alignment=%d ttcFg=%d ttcBg=%d text='%s' strlen(text)=%d utf8len(text)=%d", x, y, len, alignment, ttcFg, ttcBg, text, len_text, len_text_utf8);
int fill_left = 0;
if (len_text_utf8 < len) {
if (alignment == AlignmentRight) {
fill_left = len - len_text_utf8;
} else if (alignment == AlignmentCenter) {
fill_left = (len - len_text_utf8) / 2;
};
};
cTeletextChar c;
c.SetFGColor(ttcFg);
c.SetBGColor(ttcBg);
int j = 0;
for (int i = 0; i < len; i++) {
if (i < fill_left) {
// fill left with space
c.SetChar(' ');
} else if (i > fill_left + len_text_utf8) {
// fill right with space
c.SetChar(' ');
} else {
c.SetCharset(CHARSET_LATIN_G0); // default
uint8_t c1 = text[j];
if (j +1 < len_text) {
// check for UTF-8
if ((text[j + 1] & 0xC0) == 0x80) {
// unicode
uint8_t c2 = text[j + 1];
enumCharsets Charset;
uint8_t Char = UTF8toTeletextChar(c1, c2, &Charset);
DEBUG_OT_DTXT("unicode mapped i=%d c1=%x c2=%x -> c=%02x cs=%04x", i, c1, c2, Char, Charset);
c.SetCharset(Charset);
c1 = Char;
j++;
}
};
c.SetChar(c1);
j++;
};
SetChar(x+i, y, c);
};
Flush();
};
void cDisplay::DrawText(int x, int y, const char *text, int len, const enumTeletextColor cText) {
// Copy text to teletext page
DEBUG_OT_DTXT("called with x=%d y=%d len=%d text='%s' strlen(text)=%d", x, y, len, text, (int) strlen(text));
cTeletextChar c;
c.SetFGColor(cText); // default ttcWhite
c.SetBGColor(ttcBlack);
c.SetCharset(CHARSET_LATIN_G0);
// Copy chars up to len or null char
while (len>0 && *text!=0x00) {
c.SetChar(*text);
SetChar(x,y,c);
text++;
x++;
len--;
}
// Fill remaining chars with spaces
c.SetChar(' ');
while (len>0) {
SetChar(x,y,c);
x++;
len--;
}
// .. and display
Flush();
}
void cDisplay::ClearPage(void) {
// Clear Teletext Page on OSD
cTeletextChar c;
c.SetFGColor(ttcTransparent); // no char
c.SetBGColor(ttcBlack); // pass selected background
c.SetChar(' ');
// reset 40x24 area with space
for (int y = 0; y < 24; y++)
for (int x = 0; x < 40; x++)
SetChar(x, y, c);
return;
};
void cDisplay::DrawPageId(const char *text, const enumTeletextColor cText, const bool boxedAlwaysOn) {
// Draw Page ID string to OSD
// In case of "Boxed" page: only until 1st page update unless "boxedAlwaysOn" is set
// "boxedAlwaysOn" also unhides the 1st line completly
static char text_last[9] = ""; // remember
static bool paused_last = false;
cTeletextChar c;
DEBUG_OT_DRPI("called with text='%s' text_last='%s' Boxed=%d HasConceal=%d GetConceal=%d boxedAlwaysOn=%s", text, text_last, Boxed, HasConceal(), GetConceal(), BOOLTOTEXT(boxedAlwaysOn));
if ((! GetPaused()) && Boxed && (! boxedAlwaysOn) && PageIdDisplayedEver && (strcmp(text, text_last) == 0)) {
// don't draw PageId a 2nd time on boxed pages
for (int i = 0; i < 8; i++) {
c.SetFGColor(ttcTransparent);
c.SetBGColor(ttcTransparent);
c.SetChar(0);
SetChar(i,0,c);
};
return;
};
if (Boxed && boxedAlwaysOn) {
for (int x = 8; x < 40; x++) {
// de-boxing of 1st line in case OSD is not matching live channel
c = GetChar(x, 0);
c.SetBoxedOut(false);
SetChar(x, 0, c);
};
};
DrawText(0,0,text,8, cText);
strncpy(text_last, text, sizeof(text_last) - 1);
PageIdDisplayedEver = true;
if (HasConceal()) {
c.SetBGColor(ttcBlack);
if (GetConceal()) {
c.SetFGColor(ttcYellow);
c.SetChar('?');
} else {
c.SetFGColor(ttcGreen);
c.SetChar('!');
};
DEBUG_OT_DRPI("trigger SetChar for Conceiled hint ttfg=%x ttbg=%x", c.GetFGColor(), c.GetBGColor());
SetChar(6, 0, c);
};
if (GetPaused()) {
paused_last = true;
c.SetBGColor(ttcBlack);
c.SetFGColor(ttcRed);
c.SetChar('!');
DEBUG_OT_DRPI("trigger SetChar for Paused hint ttfg=%x ttbg=%x", c.GetFGColor(), c.GetBGColor());
SetChar(3, 0, c);
} else if (paused_last == true) {
paused_last = false;
c.SetBGColor(ttcBlack);
c.SetFGColor(ttcGreen);
c.SetChar('>');
DEBUG_OT_DRPI("trigger SetChar for Paused finished hint ttfg=%x ttbg=%x", c.GetFGColor(), c.GetBGColor());
SetChar(3, 0, c);
};
}
void cDisplay::DrawHotkey(const char *textRed, const char *textGreen, const char* textYellow, const char *textBlue, const HotkeyFlag flag) {
if (Boxed) return; // don't draw hotkey on boxed pages
switch(flag) {
case HotkeyNormal:
DrawTextExtended( 0, 24, textRed , 10, AlignmentCenter, ttcWhite, ttcRed );
DrawTextExtended(10, 24, textGreen , 10, AlignmentCenter, ttcBlack, ttcGreen );
DrawTextExtended(20, 24, textYellow, 10, AlignmentCenter, ttcBlack, ttcYellow );
DrawTextExtended(30, 24, textBlue , 10, AlignmentCenter, ttcWhite, ttcBlue );
break;
case HotkeyYellowValue:
DrawTextExtended( 0, 24, textRed , 10, AlignmentCenter, ttcWhite, ttcRed );
DrawTextExtended(10, 24, textGreen , 10, AlignmentCenter, ttcBlack, ttcGreen );
DrawTextExtended(20, 24, textYellow, 10, AlignmentCenter, ttcWhite, ttcMagenta);
DrawTextExtended(30, 24, textBlue , 10, AlignmentCenter, ttcWhite, ttcBlue );
break;
case HotkeyGreenYellowValue:
DrawTextExtended( 0, 24, textRed , 10, AlignmentCenter, ttcWhite, ttcRed );
DrawTextExtended(10, 24, textGreen , 20, AlignmentCenter, ttcWhite, ttcMagenta);
DrawTextExtended(30, 24, textBlue , 10, AlignmentCenter, ttcWhite, ttcBlue );
break;
};
}
void cDisplay::DrawInfo(const char *textI1, const char *textI2, const char* textI3, const char *textI4, const char *textI5, const InfoLineFlag flag) {
if (Boxed) return; // don't draw hints on boxed pages
switch(flag) {
case InfoLine1:
DrawTextExtended( 0, 25, textI1, 8, AlignmentCenter, ttcHalfCyan, ttcGrey );
DrawTextExtended( 8, 25, textI2, 8, AlignmentCenter, ttcHalfCyan, ttcColor25);
DrawTextExtended(16, 25, textI3, 8, AlignmentCenter, ttcHalfCyan, ttcGrey );
DrawTextExtended(24, 25, textI4, 8, AlignmentCenter, ttcHalfCyan, ttcColor25);
DrawTextExtended(32, 25, textI5, 8, AlignmentCenter, ttcHalfCyan, ttcGrey );
break;
case InfoLine2:
DrawTextExtended( 0, 26, textI1, 8, AlignmentCenter, ttcColor25 , ttcGrey );
DrawTextExtended( 8, 26, textI2, 8, AlignmentCenter, ttcColor31 , ttcColor25);
DrawTextExtended(16, 26, textI3, 8, AlignmentCenter, ttcColor25 , ttcGrey );
DrawTextExtended(24, 26, textI4, 8, AlignmentCenter, ttcColor31 , ttcColor25);
DrawTextExtended(32, 26, textI5, 8, AlignmentCenter, ttcColor25 , ttcGrey );
break;
};
}
void cDisplay::DrawClock() {
if (Boxed) return; // don't draw Clock in on boxed pages
char text[9];
time_t t=time(0);
struct tm loct;
localtime_r(&t, &loct);
sprintf(text, "%02d:%02d:%02d", loct.tm_hour, loct.tm_min, loct.tm_sec);
DrawText(32,0,text,8);
}
void cDisplay::DrawMessage(const char *txt1, const char *txt2, const cString *txtArray, const enumTeletextColor *ctxtArray, const int txtArrayEntries, const int txtArrayColumns, const enumTeletextColor cFrame, const enumTeletextColor cText, const enumTeletextColor cBackground, const enumTeletextColor cTextArray) {
if (!osd) return;
int border = MessageBorder;
HoldFlush();
// Hold flush until done
ClearMessage();
// Make sure old message is gone
if (IsDirty()) DrawDisplay();
// Make sure all characters are out, so we can draw on top
// text w/h
int w1 = MessageFont->Width(txt1);
int h1 = MessageFont->Height(txt1);
int w2 = 0;
int h2 = 0;
// remember for later
int w1_orig = w1;
int w2_orig = w2;
// box w/h
int w = w1;
int h = h1;
// text offset
int o1 = 0;
int o2 = 0;
bool txtArrayActive = (txtArray != NULL) && (txtArrayEntries > 0) && (txtArrayColumns > 0);
if (txt2 != NULL) {
// 2nd line active
w2 = MessageFont->Width(txt2);
h2 = MessageFont->Height(txt2);
h += h2 + border / 2; // increase height
if (txtArrayActive) {
// in case of txtArray mode, add gap between txt and txt2
h += border;
};
if (w2 > w1) {
// 2nd line is longer
w = w2;
o1 = (w2 - w1) / 2;
} else if (w2 < w1) {
// 1st line is longer
o2 = (w1 - w2) / 2;
};
} else {
if (txtArrayActive) {
// in case of txtArray mode, add gap between txt and txtArray
h += border;
};
};
int wa[3] = {0, 0, 0};
int ha[3] = {0, 0, 0};
int ca = (txtArrayColumns <= 3) ? txtArrayColumns : 3; // limit to maximum 3
int wal;
int hal;
int cl;
if (txtArrayActive) {
// clear offset, always have alignment=left
o1 = 0;
o2 = 0;
// lines per column
cl = ceil((float) txtArrayEntries / (float) ca);
// calculate width and height per column
int c = 0;
for (int l = 0; l < txtArrayEntries; l++) {
if (l >= (c + 1) * cl) {
// next column
c++;
if (c >= ca) {
// limit reached (should not happen)
break;
};
};
wal = MessageFont->Width(txtArray[l]);
hal = MessageFont->Height(txtArray[l]);
if (wal > wa[c]) wa[c] = wal; // increase maximum width of column
ha[c] += hal + border / 2; // increase height
};
// calculate maximum width/height
int waMax = 0;
int haMax = 0;
for (c = 0; c < ca; c++) {
// add width per column
waMax += wa[c];
// find maximum height
if (ha[c] > haMax) haMax = ha[c];
};
// add column gap (2*border)
waMax += (ca - 1) * border * 2;
// check for maximum width of message box
if (waMax > w) {
w = waMax;
};
// add maximum height