-
Notifications
You must be signed in to change notification settings - Fork 4
/
Copy pathgraphics.c
1081 lines (908 loc) · 30 KB
/
graphics.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
// graphics.c
//
// part of checkerboard
//
// implements graphics functionality of CB: printboard, selectstone, animation
//
// ugly: it has a lot of extern variables!
//
// animation can be turned on and off by defining ANIMATION or not
#define ANIMATION
#include <windows.h>
#include <stdio.h>
#include <time.h>
#include "standardheader.h"
#include "cb_interface.h"
#include "CBstructs.h"
#include "CBconsts.h"
#include "graphics.h"
#include "checkerboard.h"
#include "coordinates.h"
#include "utility.h"
#include "bmp.h"
// lots of external variables from checkerboard.c - very ugly
extern CBmove cbmove;
extern CBoptions cboptions;
extern Board8x8 cbboard8;
extern int cbcolor;
extern PDNgame cbgame;
// disable double-to-int warning in this file to avoid getting dozens of warnings
#pragma warning(disable : 4244)
static int g_size = 0; // holds size of square, if it is different from previous call, we have to update stuff
static HDC memdc, bgdc, bmpdc, stretchdc, boarddc; // stores the virtual device handle
static HBITMAP hbit, bgbitmap, clipbitmap, stretchbitmap, boardbitmap; // store the virtual bitmap
static HBRUSH hbrush;
static HBRUSH linebrush;
static int offset = 0, upperoffset = 0;
static HFONT myfont; // font for board numbers
static bool animation_state = true;
static HANDLE memdc_lock; /* Prevent multiple threads from simultaneous access to memdc. */
int setoffsets(int _offset, int _upperoffset)
{
// receives offsets from checkerboard.c instead of using extern variables.
offset = _offset;
upperoffset = _upperoffset;
return 1;
}
int initgraphics(HWND hwnd)
{
HDC hdc;
int maxX, maxY;
memdc_lock = CreateMutex(NULL, FALSE, NULL);
// get screen coordinates
maxX = GetSystemMetrics(SM_CXSCREEN);
maxY = GetSystemMetrics(SM_CYSCREEN);
// make a compatible memory image
hdc = GetDC(hwnd);
memdc = CreateCompatibleDC(hdc);
bmpdc = CreateCompatibleDC(hdc);
bgdc = CreateCompatibleDC(hdc);
stretchdc = CreateCompatibleDC(hdc);
boarddc = CreateCompatibleDC(hdc);
hbit = CreateCompatibleBitmap(hdc, maxX, maxY);
SelectObject(memdc, hbit);
bgbitmap = CreateCompatibleBitmap(hdc, maxX, maxY);
SelectObject(bgdc, bgbitmap);
stretchbitmap = CreateCompatibleBitmap(hdc, maxX, maxY);
SelectObject(stretchdc, stretchbitmap);
boardbitmap = CreateCompatibleBitmap(hdc, maxX, maxY);
SelectObject(boarddc, boardbitmap);
hbrush = (HBRUSH) GetStockObject(WHITE_BRUSH);
SelectObject(memdc, hbrush);
linebrush = (HBRUSH) GetStockObject(DKGRAY_BRUSH);
PatBlt(memdc, 0, 0, maxX, maxY, PATCOPY);
ReleaseDC(hwnd, hdc);
// call resizegraphics to get everything in right size
resizegraphics(hwnd);
return 1;
}
int updategraphics(HWND hwnd)
{
// is called on WM_PAINT and bitblits the memory graphics onto the screen
HDC hdc;
PAINTSTRUCT paintstruct;
hdc = BeginPaint(hwnd, &paintstruct);
if (hdc == NULL) {
CBlog("could not allocate HDC on WM_PAINT");
return 0;
}
BitBlt(hdc,
paintstruct.rcPaint.left,
paintstruct.rcPaint.top,
paintstruct.rcPaint.right - paintstruct.rcPaint.left,
paintstruct.rcPaint.bottom - paintstruct.rcPaint.top,
memdc,
paintstruct.rcPaint.left,
paintstruct.rcPaint.top,
SRCCOPY);
EndPaint(hwnd, &paintstruct);
ReleaseDC(hwnd, hdc);
return 1;
}
int resizegraphics(HWND hwnd)
{
// is called on WM_SIZE or WM_SIZING, i.e. whenever the board size has to be adjusted
double size;
HBITMAP bmp_dark, bmp_light, hOldBitmap;
int x0, y0, x1, y1;
int success;
double xmetric, ymetric;
getxymetrics(&xmetric, &ymetric, hwnd);
size = xmetric;
updatestretchDC(hwnd, bmpdc, stretchdc, 100);
// print board without stones to board dc
success = SetStretchBltMode(boarddc, HALFTONE);
bmp_dark = getCBbitmap(BMPDARK);
bmp_light = getCBbitmap(BMPLIGHT);
// TODO:
// dark squares with BMPs
// TODO: all of this should be done just once on resize?!
hOldBitmap = (HBITMAP) SelectObject(bmpdc, bmp_dark);
if (hOldBitmap == NULL)
CBlog("dark square bitmap is null");
if (bmp_dark == NULL)
CBlog("bmp dark is null");
if (cboptions.mirror) {
// make a single dark square:
x0 = 0;
y0 = 0;
success = StretchBlt(boarddc, 0, 0, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
// make a single light square
x1 = 1;
y1 = 0;
SelectObject(bmpdc, bmp_light);
success = StretchBlt(boarddc, size, 0, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
}
else {
// make a single dark square
x0 = 1;
y0 = 0;
success = StretchBlt(boarddc, size, 0, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
// make a single light square
x1 = 0;
y1 = 0;
SelectObject(bmpdc, bmp_light);
success = StretchBlt(boarddc, 0, 0, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
}
// now, flood-fill the board with what we already have:
success = BitBlt(boarddc, size * x1, size * 1, size, size, boarddc, x0 * size, y0 * size, SRCCOPY);
success = BitBlt(boarddc, size * x0, size * 1, size, size, boarddc, x1 * size, y1 * size, SRCCOPY);
// copy to the right
success = BitBlt(boarddc, size * 2, 0, size * 2, size * 2, boarddc, 0, 0, SRCCOPY);
success = BitBlt(boarddc, size * 4, 0, size * 4, size * 2, boarddc, 0, 0, SRCCOPY);
// copy down
success = BitBlt(boarddc, 0, size * 2, size * 8, size * 2, boarddc, 0, 0, SRCCOPY);
success = BitBlt(boarddc, 0, size * 4, size * 8, size * 4, boarddc, 0, 0, SRCCOPY);
SelectObject(bmpdc, hOldBitmap);
// Create a font:
DeleteObject(myfont);
myfont = CreateFont((int)(size / 4 + 1),
0,
0,
0,
0,
0,
0,
0,
ANSI_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH | FF_SCRIPT,
"Courier New");
return 1;
}
int updateboardgraphics(HWND hwnd)
{
// is called whenever the board has to be redrawn
printboard(hwnd, memdc, bmpdc, stretchdc, cbboard8);
return 1;
}
int diagramtoclipboard(HWND hwnd)
{
//copies a diagram to the clipboard
RECT WinDim;
int cxClient, cyClient;
// create a bitmap for this, with the right size for the diagram only:
GetClientRect(hwnd, &WinDim);
cxClient = WinDim.right;
cyClient = WinDim.bottom;
clipbitmap = CreateCompatibleBitmap(bgdc, cxClient, cyClient - offset);
// select bitmap in animation device context
SelectObject(bgdc, clipbitmap);
// print board in mem dc
printboard(hwnd, memdc, bmpdc, stretchdc, cbboard8);
// and copy it shifted into the ani dc, which means that the
// bitmap now has the board!
BitBlt(bgdc, 0, 0, cxClient, cyClient - offset, memdc, 0, upperoffset, BLACKNESS);
BitBlt(bgdc, 0, 0, cxClient, cyClient - offset, memdc, 0, upperoffset, SRCCOPY);
if (OpenClipboard(hwnd)) {
EmptyClipboard();
SetClipboardData(CF_BITMAP, clipbitmap);
CloseClipboard();
}
SelectObject(bgdc, bgbitmap);
DeleteObject(clipbitmap);
return 1;
}
int samplediagramtoclipboard(HWND hwnd)
{
//copies a diagram to the clipboard
RECT WinDim;
int cxClient, cyClient;
int x, y;
// create a bitmap for this, with the right size for the sample
// diagram, 3x3 squares.
GetClientRect(hwnd, &WinDim);
cxClient = WinDim.right;
cyClient = WinDim.bottom;
x = cxClient;
x /= 8;
x *= 3;
y = x;
clipbitmap = CreateCompatibleBitmap(bgdc, x, y);
// select bitmap in animation device context
SelectObject(bgdc, clipbitmap);
// print board in mem dc
printsampleboard(hwnd, memdc, bmpdc, stretchdc);
// and copy it shifted into the ani dc, which means that the
// bitmap now has the board!
BitBlt(bgdc, 0, 0, cxClient, cyClient - offset, memdc, 0, upperoffset, BLACKNESS);
BitBlt(bgdc, 0, 0, cxClient, cyClient - offset, memdc, 0, upperoffset, SRCCOPY);
if (OpenClipboard(hwnd)) {
EmptyClipboard();
SetClipboardData(CF_BITMAP, clipbitmap);
CloseClipboard();
}
SelectObject(bgdc, bgbitmap);
DeleteObject(clipbitmap);
// restore old board, else the sample bitmap is shown in CB
printboard(hwnd, memdc, bmpdc, stretchdc, cbboard8);
return 1;
}
/* Draw a thin border around square x,y to highlight it. */
void draw_highlight(int x, int y, int xoffset, int yoffset, int size)
{
MoveToEx(memdc, size * x + xoffset, size * (7 - y) + upperoffset + yoffset, NULL);
LineTo(memdc, size * (x + 1) - 1 + xoffset, size * (7 - y) + upperoffset + yoffset);
LineTo(memdc, size * (x + 1) - 1 + xoffset, size * (8 - y) + upperoffset - 1 + yoffset);
LineTo(memdc, size * x + xoffset, size * (8 - y) + upperoffset - 1 + yoffset);
LineTo(memdc, size * x + xoffset, size * (7 - y) + upperoffset + yoffset);
}
DWORD AnimationThreadFunc(HWND hwnd)
{
/* this thread drives the animation of the checker */
/* a background image without the animated stone is printed into bgdc */
/* this is copied into and the stone is added */
/* and this is finally copied into memdc */
/* the global 'move' is used by this function */
// this function is also responsible for executing the move on the internal board of CB.
//char str[32];
int i, j;
int maxX, maxY;
int x, y, x2, y2; // the move goes from x,y to x2,y2;
RECT WinDim, r;
HPEN whitepen, blackpen, hOldPen, hPen;
double dx, dy;
int blackking = 0, whiteman = 0, whiteking = 0, blackman = 0;
int jumps;
double xmetric, ymetric;
// load bitmaps from bmp.c
HBITMAP bmp_bm, bmp_bk, bmp_wm, bmp_wk, bmp_manmask, bmp_kingmask;
clock_t ticks;
clock_t timer;
int elapsed_ms;
int xoffset = 0;
int yoffset = 0;
int size;
setanimationbusy(TRUE);
bmp_bm = getCBbitmap(BMPBLACKMAN);
bmp_bk = getCBbitmap(BMPBLACKKING);
bmp_wm = getCBbitmap(BMPWHITEMAN);
bmp_wk = getCBbitmap(BMPWHITEKING);
bmp_manmask = getCBbitmap(BMPMANMASK);
bmp_kingmask = getCBbitmap(BMPKINGMASK);
blackpen = (HPEN) GetStockObject(BLACK_PEN);
whitepen = (HPEN) GetStockObject(WHITE_PEN); // getstockobject - object does not need to be destroyed
maxX = GetSystemMetrics(SM_CXSCREEN);
maxY = GetSystemMetrics(SM_CYSCREEN);
getxymetrics(&xmetric, &ymetric, hwnd);
size = xmetric;
x = cbmove.from.x;
y = cbmove.from.y;
if (cbmove.oldpiece == (CB_BLACK | CB_KING))
blackking = 1;
if (cbmove.oldpiece == (CB_WHITE | CB_MAN))
whiteman = 1;
if (cbmove.oldpiece == (CB_WHITE | CB_KING))
whiteking = 1;
if (cbmove.oldpiece == (CB_BLACK | CB_MAN))
blackman = 1;
// remove pieces on from and to square, which
// would disturb animation
cbboard8[x][y] = 0;
x2 = cbmove.to.x;
y2 = cbmove.to.y;
cbboard8[x2][y2] = 0;
// create a background image for the animation
// PUT THIS BACK IN FOR ANIMATION!!
#ifdef ANIMATION
if (animation_state)
printboard(hwnd, bgdc, bmpdc, stretchdc, cbboard8);
#endif
coorstocoors(&x, &y, cboptions.invert, cboptions.mirror);
coorstocoors(&x2, &y2, cboptions.invert, cboptions.mirror);
/* print the board without the stone which moves into bgdc */
/* find the number of jumps to do */
jumps = cbmove.jumps;
#ifdef ANIMATION
if (animation_state) {
if (jumps == 0) {
// a normal move without jumps
for (i = 0; i <= STEPS; i++) {
WaitForSingleObject(memdc_lock, INFINITE);
timer = clock();
// find redrawing rectangle
dx = ((double)(x2 * i + x * (STEPS - i))) / (STEPS);
dy = ((double)(y2 * i + y * (STEPS - i))) / (STEPS);
r.left = (int)(size * (dx) + xoffset);
r.top = (int)(size * (7 - dy) + upperoffset + yoffset);
r.right = (int)(size * (dx + 1) + xoffset);
r.bottom = (int)(size * (8 - dy) + upperoffset + yoffset);
// restore clean background
BitBlt(memdc, r.left, r.top, r.right, r.bottom, bgdc, r.left, r.top, SRCCOPY);
//----------------------------------------------
// make the image of the mask
// select mask
if (whiteking || blackking)
SelectObject(bmpdc, bmp_kingmask);
else
SelectObject(bmpdc, bmp_manmask);
// paint mask
// 128,128 is the dimension of the bitmap.
StretchBlt(memdc, r.left, r.top, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCAND);
//----------------------------------------------
// make image of the piece
// select bmp
if (blackman)
SelectObject(bmpdc, bmp_bm);
if (whiteman)
SelectObject(bmpdc, bmp_wm);
if (blackking)
SelectObject(bmpdc, bmp_bk);
if (whiteking)
SelectObject(bmpdc, bmp_wk);
// paint bmp
StretchBlt(memdc, r.left, r.top, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCPAINT);
//----------------------------------------------
// tell windows to redraw
r.left -= 5;
r.top -= 5;
r.right += 5;
r.bottom += 5;
InvalidateRect(hwnd, &r, 0);
ReleaseMutex(memdc_lock);
SendMessage(hwnd, WM_PAINT, (WPARAM) 0, (LPARAM) 0);
//-----------------------------------------------
// wait a bit, depending on how fast the system is
// get elapsed time up to now
ticks = clock() - timer;
// convert to miliseconds
elapsed_ms = (ticks * 1000) / CLOCKS_PER_SEC;
if (elapsed_ms < ANIMATIONSLEEPTIME)
Sleep(ANIMATIONSLEEPTIME - elapsed_ms);
//sprintf(str, "elapsed: %i, %i", elapsed_ms, ticks);
}
}
else {
// a jumping move
x = cbmove.from.x;
y = cbmove.from.y;
coorstocoors(&x, &y, cboptions.invert, cboptions.mirror);
for (j = 0; j < jumps; j++) {
x2 = cbmove.path[j + 1].x;
y2 = cbmove.path[j + 1].y;
coorstocoors(&x2, &y2, cboptions.invert, cboptions.mirror);
// now animate the part-move:
for (i = 0; i <= 2 * STEPS; i++) {
WaitForSingleObject(memdc_lock, INFINITE);
timer = clock();
// find redrawing region
dx = ((double)(x2 * i + x * (2 * STEPS - i))) / (2 * STEPS);
dy = ((double)(y2 * i + y * (2 * STEPS - i))) / (2 * STEPS);
r.left = (int)(size * (dx) + xoffset);
r.top = (int)(size * (7 - dy) + upperoffset + yoffset);
r.right = r.left + size;
r.bottom = r.top + size;
// restore clean background
BitBlt(memdc, r.left, r.top, r.right, r.bottom, bgdc, r.left, r.top, SRCCOPY);
// select mask
if (whiteking || blackking)
SelectObject(bmpdc, bmp_kingmask);
else
SelectObject(bmpdc, bmp_manmask);
// paint mask from bmpdc to memdc
//BitBlt(memdc,r.left,r.top,r.right,r.bottom,bmpdc,0,0,SRCAND);
// 128,148 is the dimension of the bitmap.
// stretchblt from bmpdc to memdc
StretchBlt(memdc, r.left, r.top, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCAND);
// select bmp
if (blackman)
SelectObject(bmpdc, bmp_bm);
if (whiteman)
SelectObject(bmpdc, bmp_wm);
if (blackking)
SelectObject(bmpdc, bmp_bk);
if (whiteking)
SelectObject(bmpdc, bmp_wk);
// paint bmp
//BitBlt(memdc,r.left,r.top,r.right,r.bottom,bmpdc,0,0,SRCPAINT);
StretchBlt(memdc, r.left, r.top, size, size, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCPAINT);
InvalidateRect(hwnd, &r, 0);
ReleaseMutex(memdc_lock);
SendMessage(hwnd, WM_PAINT, (WPARAM) 0, (LPARAM) 0);
//-----------------------------------------------
// wait a bit, depending on how fast the system is
// get elapsed time up to now
ticks = clock() - timer;
// convert to miliseconds
elapsed_ms = (ticks * 1000) / CLOCKS_PER_SEC;
if (elapsed_ms < ANIMATIONSLEEPTIME)
Sleep(ANIMATIONSLEEPTIME - elapsed_ms);
}
x = x2;
y = y2;
}
}
}
#endif // ANIMATION
// make a clean image now
// TODO: don't mix up game play with animation!
domove(cbmove, cbboard8);
printboard(hwnd, memdc, bmpdc, stretchdc, cbboard8);
// if move highlighting is on, we do it!
// this should go in a separate function!
WaitForSingleObject(memdc_lock, INFINITE);
if (cboptions.highlight) {
// create a pen:
hPen = CreatePen(PS_SOLID, 1, cboptions.colors[0]);
x = cbmove.from.x;
y = cbmove.from.y;
x2 = cbmove.to.x;
y2 = cbmove.to.y;
coorstocoors(&x, &y, cboptions.invert, cboptions.mirror);
coorstocoors(&x2, &y2, cboptions.invert, cboptions.mirror);
hOldPen = (HPEN) SelectObject(memdc, hPen);
draw_highlight(x, y, xoffset, yoffset, size);
draw_highlight(x2, y2, xoffset, yoffset, size);
SelectObject(memdc, hOldPen);
DeleteObject(hPen);
} // end movehighlighting
// get redrawing region
GetClientRect(hwnd, &WinDim);
r.left = 0;
r.right = WinDim.right;
r.bottom = WinDim.bottom - (offset - upperoffset); // the thing in brackets is the status bar height
r.top = upperoffset;
InvalidateRect(hwnd, &r, 0);
ReleaseMutex(memdc_lock);
// TODO: should not mix game state stuff with animation!
cbcolor = CB_CHANGECOLOR(cbcolor);
setanimationbusy(FALSE);
setenginestarting(FALSE);
return 0;
}
int getxymetrics(double *xmetric, double *ymetric, HWND hwnd)
{
// get board size
RECT WinDim;
int cxClient, cyClient;
GetClientRect(hwnd, &WinDim);
cxClient = WinDim.right - WinDim.left;
cyClient = WinDim.bottom - WinDim.top;
*xmetric = (int)(cxClient / 8.0);
*ymetric = (int)((cyClient - offset) / 8.0);
return 1;
}
void updatestretchDC(HWND hwnd, HDC bmpdc, HDC stretchdc, int size)
{
// updatestretchDC gets called whenever the CB window is resized.
// it stretchblts pieces and masks into stretchdc, from where
// printboard can then only bitblt them for faster graphics rendering.
double xmetric, ymetric;
HBITMAP bmp_bm, bmp_bk, bmp_wm, bmp_wk, bmp_manmask, bmp_kingmask, bmp_dark, bmp_light;
HBITMAP hOldBitmap; // old bitmap for restoration
bmp_bm = getCBbitmap(BMPBLACKMAN);
bmp_bk = getCBbitmap(BMPBLACKKING);
bmp_wm = getCBbitmap(BMPWHITEMAN);
bmp_wk = getCBbitmap(BMPWHITEKING);
bmp_manmask = getCBbitmap(BMPMANMASK);
bmp_kingmask = getCBbitmap(BMPKINGMASK);
bmp_dark = getCBbitmap(BMPDARK);
bmp_light = getCBbitmap(BMPLIGHT);
getxymetrics(&xmetric, &ymetric, hwnd);
SetStretchBltMode(stretchdc, HALFTONE);
// stretchblt man mask, king mask, black man, white man, black king, white king
// into positions 0,1,2,3,4,5 of stretchdc
xmetric = size;
hOldBitmap = (HBITMAP) SelectObject(bmpdc, bmp_manmask);
StretchBlt(stretchdc, 8 * xmetric, 0, xmetric, xmetric, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
SelectObject(bmpdc, bmp_kingmask);
StretchBlt(stretchdc, 8 * xmetric, xmetric, xmetric, xmetric, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
SelectObject(bmpdc, bmp_bm);
StretchBlt(stretchdc, 8 * xmetric, 2 * xmetric, xmetric, xmetric, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
SelectObject(bmpdc, bmp_wm);
StretchBlt(stretchdc, 8 * xmetric, 3 * xmetric, xmetric, xmetric, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
SelectObject(bmpdc, bmp_bk);
StretchBlt(stretchdc, 8 * xmetric, 4 * xmetric, xmetric, xmetric, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
SelectObject(bmpdc, bmp_wk);
StretchBlt(stretchdc, 8 * xmetric, 5 * xmetric, xmetric, xmetric, bmpdc, 0, 0, BMPSIZE, BMPSIZE, SRCCOPY);
SelectObject(bmpdc, hOldBitmap);
return;
}
void format_clock(double clk, char *txt)
{
int hours, mins, secs;
char *sign = "";
if (clk < 0) {
sign = "-";
clk = abs(clk);
}
if (clk >= 3600) {
hours = clk / 3600;
clk -= hours * 3600;
mins = clk / 60;
clk -= mins * 60;
secs = clk;
sprintf(txt, "%s%d:%02d:%02d", sign, hours, mins, secs);
}
else if (clk >= 10) {
mins = clk / 60;
clk -= mins * 60;
secs = 0.5 + clk;
sprintf(txt, "%s%d:%02d", sign, mins, secs);
}
else
sprintf(txt, "%s%.1f", sign, clk);
}
void drawclock(HWND hwnd, HDC hdc)
{
/* Fill the clock background region. */
if (cboptions.use_incremental_time) {
double black_clock, white_clock;
double xmetric, ymetric;
RECT r;
char black_txt[20], white_txt[20];
char clocktext[150];
int xoffset = 0;
int yoffset = 0;
getxymetrics(&xmetric, &ymetric, hwnd);
hbrush = (HBRUSH)GetStockObject(WHITE_BRUSH);
r.left = xoffset;
r.right = r.left + 8 * (int)xmetric;
r.top = upperoffset - CLOCKHEIGHT;
r.bottom = upperoffset;
FillRect(hdc, &r, hbrush);
InvalidateRect(hwnd, &r, 0);
/* Draw a 2-pixel separator line between the top of the board and the clock area. */
r.left = xoffset;
r.right = r.left + 8 * (int)xmetric;
r.top = upperoffset - 1;
r.bottom = upperoffset;
FillRect(hdc, &r, linebrush);
/* Write the clock text. */
get_game_clocks(&black_clock, &white_clock);
format_clock(black_clock, black_txt);
format_clock(white_clock, white_txt);
sprintf(clocktext, " Black %s White %s", black_txt, white_txt);
SetTextColor(hdc, PALETTERGB(0, 0, 0));
TextOut(hdc, 5 + xoffset, upperoffset + yoffset - (CLOCKHEIGHT - 3), clocktext, (int)strlen(clocktext));
}
}
void refresh_clock(HWND hwnd)
{
WaitForSingleObject(memdc_lock, INFINITE);
drawclock(hwnd, memdc);
ReleaseMutex(memdc_lock);
}
int printboard(HWND hwnd, HDC hdc, HDC bmpdc, HDC stretchdc, Board8x8 b)
{
// printboard prints the board given in b into hdc
// a word about this: we get ourselves the size of the client rectangle of
// our window. but: in this rectangle, there is a toolbar at the top (toolbarheight), and
// a status window at the bottom (statusbarheight). therefore, the true y extent of the
// graphics should be ysize-toolbarheight-statusbarheight
// we use bitmaps to draw the board, which are loaded in the file bmp.c
// the bitmaps have to be stretched to fit the board. this is an expensive
// operation, therefore, the dark and light square bitmaps are strechblitted only
// once onto one square each, and then copied from there on.
// the same should be done for the pieces, but i was too lazy to implement it right now
// performance seems to be ok now, much better than when all squares were stretched.
int i, j, x, y; // loop variables for board
char s[80]; // char to output coordinates
double xmetric, ymetric; // size of squares
RECT WinDim, r; // dimension
// bitmaps for pieces/background below
int xoffset = 0;
int yoffset = 0;
int size = 0;
HFONT oldfont;
if (hdc == NULL) {
CBlog("hdc is null in printboard");
return 0;
}
WaitForSingleObject(memdc_lock, INFINITE);
getxymetrics(&xmetric, &ymetric, hwnd);
size = xmetric;
// BUGFIX CB 1.651 - with the next line in place, it doesn't display pieces properly
// after changing the piece set.
//if(size != g_size)
{
updatestretchDC(hwnd, bmpdc, stretchdc, size);
g_size = size;
}
SetStretchBltMode(hdc, HALFTONE);
// bitblt background from boarddc
BitBlt(hdc, xoffset, yoffset + upperoffset, size * 8, size * 8, boarddc, 0, 0, SRCCOPY);
for (i = 0; i <= 7; i++) {
for (j = 0; j <= 7; j++) {
x = i;
y = j;
coorstocoors(&x, &y, cboptions.invert, cboptions.mirror);
if (b[x][y] == 0)
continue;
// bitblt man mask, king mask, black man, white man, black king, white king
// from positions 0,1,2,3,4,5 of stretchdc
assert(b[x][y] == (CB_BLACK | CB_MAN) ||
b[x][y] == (CB_BLACK | CB_KING) ||
b[x][y] == (CB_WHITE | CB_MAN) ||
b[x][y] == (CB_WHITE | CB_KING));
// masks
if (b[x][y] & CB_KING)
BitBlt(hdc,
size * i + xoffset,
size * (7 - j) + upperoffset + yoffset,
size,
size,
stretchdc,
8 * size,
size,
SRCAND);
else
BitBlt(hdc,
size * i + xoffset,
size * (7 - j) + upperoffset + yoffset,
size,
size,
stretchdc,
8 * size,
0,
SRCAND);
// pieces
if (b[x][y] == (CB_BLACK | CB_MAN)) {
BitBlt(hdc,
size * i + xoffset,
size * (7 - j) + upperoffset + yoffset,
size,
size,
stretchdc,
8 * size,
2 * size,
SRCPAINT);
}
if (b[x][y] == (CB_WHITE | CB_MAN)) {
BitBlt(hdc,
size * i + xoffset,
size * (7 - j) + upperoffset + yoffset,
size,
size,
stretchdc,
8 * size,
3 * size,
SRCPAINT);
}
if (b[x][y] == (CB_BLACK | CB_KING)) {
BitBlt(hdc,
size * i + xoffset,
size * (7 - j) + upperoffset + yoffset,
size,
size,
stretchdc,
8 * size,
4 * size,
SRCPAINT);
}
if (b[x][y] == (CB_WHITE | CB_KING)) {
BitBlt(hdc,
size * i + xoffset,
size * (7 - j) + upperoffset + yoffset,
size,
size,
stretchdc,
8 * size,
5 * size,
SRCPAINT);
}
}
}
// if we have no images loaded, make a board + pieces "by hand":
// TODO: make nicer, and only make if no images loaded!
/*
for (i = 0; i < 8; i++) {
for (j = 0; j < 8; j++) {
x = i;
y = j;
coorstocoors(&x, &y, cboptions.invert, cboptions.mirror);
if ((x + y) % 2)
SelectObject(hdc, GetStockObject(WHITE_BRUSH));
else
SelectObject(hdc, GetStockObject(GRAY_BRUSH));
Rectangle(hdc, size*x + xoffset, size*(7 - y) + upperoffset + yoffset,
size*(1+x) + xoffset, size*(7 - (y-1)) + upperoffset + yoffset);
// pieces
if (b[x][y] & (CB_BLACK)) {
SelectObject(hdc, GetStockObject(BLACK_BRUSH));
Ellipse(hdc, size*x + xoffset, size*(7 - y) + upperoffset + yoffset,
size*(1 + x) + xoffset, size*(7 - (y - 1)) + upperoffset + yoffset);
if (b[x][y] & (CB_KING)) {
}
}
if (b[x][y] & (CB_WHITE)) {
SelectObject(hdc, GetStockObject(WHITE_BRUSH));
Ellipse(hdc, size*x + xoffset, size*(7 - y) + upperoffset + yoffset,
size*(1 + x) + xoffset, size*(7 - (y - 1)) + upperoffset + yoffset);
if (b[x][y] & (CB_KING)) {
}
}
}
}*/
// add board numbers
if (cboptions.numbers) {
oldfont = (HFONT) SelectObject(hdc, myfont);
SetTextColor(hdc, cboptions.colors[1]);
SetBkMode(hdc, TRANSPARENT);
for (i = 0; i <= 7; i++) {
for (j = 0; j <= 7; j++) {
x = i;
y = j;
coorstocoors(&x, &y, cboptions.invert, cboptions.mirror);
if (!((x + y) % 2)) {
sprintf(s, "%i", coorstonumber(x, y, cbgame.gametype));
TextOut(hdc,
(int)(size * (i) + 1 + xoffset),
(int)(size * (7 - j) + upperoffset + yoffset),
s,
(int)strlen(s));
}
}
}
SelectObject(hdc, oldfont);
}
drawclock(hwnd, hdc);
// get redrawing region
GetClientRect(hwnd, &WinDim);
r.left = xoffset;
r.right = r.left + 8 * size;
r.top = upperoffset + yoffset;
r.bottom = r.top + 8 * size;
InvalidateRect(hwnd, &r, 0);
ReleaseMutex(memdc_lock);
return 1;
}
int printsampleboard(HWND hwnd, HDC hdc, HDC bmpdc, HDC stretchdc)
{
// is used as a "hidden function" to produce a 5x5 clipboard image of current piece
// set.
int i, j; // loop variables for board
double xmetric, ymetric; // size of squares
// bitmaps for pieces/background below
HBITMAP bmp_bm, bmp_bk, bmp_wm, bmp_wk, bmp_manmask, bmp_kingmask, bmp_dark, bmp_light;
int xoffset = 0, yoffset = 0;
bmp_bm = getCBbitmap(BMPBLACKMAN);
bmp_bk = getCBbitmap(BMPBLACKKING);
bmp_wm = getCBbitmap(BMPWHITEMAN);
bmp_wk = getCBbitmap(BMPWHITEKING);
bmp_manmask = getCBbitmap(BMPMANMASK);
bmp_kingmask = getCBbitmap(BMPKINGMASK);
bmp_dark = getCBbitmap(BMPDARK);
bmp_light = getCBbitmap(BMPLIGHT);
if (hdc == NULL) {
CBlog("hdc is null in printboard");
return 0;
}
getxymetrics(&xmetric, &ymetric, hwnd);
SetStretchBltMode(hdc, HALFTONE);
// bitblt background from boarddc
BitBlt(hdc, xoffset, yoffset + upperoffset, xmetric * 8, xmetric * 8, boarddc, 0, 0, SRCCOPY);
//kingmask
i = 0;
j = 7;
BitBlt(hdc,
xmetric * i,
ymetric * (7 - j) + upperoffset,
xmetric,
xmetric,
stretchdc,
8 * xmetric,
xmetric,
SRCAND);
// black king
BitBlt(hdc,
xmetric * i,
ymetric * (7 - j) + upperoffset,
xmetric,
xmetric,
stretchdc,
8 * xmetric,
3 * xmetric,
SRCPAINT);
i = 0;
j = 5;
BitBlt(hdc,
xmetric * i,
ymetric * (7 - j) + upperoffset,
xmetric,
xmetric,
stretchdc,
8 * xmetric,
xmetric,
SRCAND);
// white king
BitBlt(hdc,
xmetric * i,
ymetric * (7 - j) + upperoffset,
xmetric,
xmetric,
stretchdc,
8 * xmetric,
5 * xmetric,