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/cvs/kgsueme/kgsueme/board.pl
Revision: 1.24
Committed: Wed Jul 30 00:32:42 2003 UTC (20 years, 9 months ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 1.23: +0 -0 lines
State: FILE REMOVED
Log Message:
*** empty log message ***

File Contents

# Content
1 package Gtk2::GoBoard;
2
3 use Scalar::Util;
4
5 use KGS::Constants;
6 use KGS::Game::Board;
7
8 use POSIX qw(ceil);
9
10 use Gtk2;
11
12 use Glib::Object::Subclass
13 Gtk2::AspectFrame,
14 properties => [
15 Glib::ParamSpec->IV (
16 "size",
17 "Board Size",
18 "The Go Board size, 2..38",
19 2, 38, 19,
20 [qw(construct-only writable readable)],
21 ),
22 Glib::ParamSpec->IV (
23 "cursor-mask",
24 "cursor mask",
25 "The mask used to show a cursor",
26 0, 1<<30, 0,
27 [qw(writable readable)],
28 ),
29 Glib::ParamSpec->IV (
30 "cursor-value",
31 "cursor value",
32 "The value used to show a cursor",
33 0, 1<<30, 0,
34 [qw(writable readable)],
35 ),
36 ];
37
38 sub TRAD_WIDTH (){ 42.42 } # traditional board width
39 sub TRAD_HEIGHT (){ 45.45 } # traditional board height
40 sub TRAD_SIZE_B (){ 2.18 } # traditional black stone size
41 sub TRAD_SIZE_W (){ 2.12 } # traditional white stone size
42
43 sub SHADOW (){ 0.06 }
44
45 sub INIT_INSTANCE {
46 my $self = shift;
47
48 $self->double_buffered (0);
49 $self->set (border_width => 0, shadow_type => 'none',
50 obey_child => 0, ratio => TRAD_WIDTH / TRAD_HEIGHT);
51 $self->set(cursor_mask => MARK_B | MARK_W, cursor_value => MARK_B | MARK_GRAYED);
52
53 $self->add ($self->{canvas} = new Gtk2::DrawingArea);
54
55 $self->{canvas}->signal_connect (configure_event => sub { $self->configure_event ($_[1]) });
56 $self->{canvas}->signal_connect (motion_notify_event => sub { $self->motion });
57 $self->{canvas}->signal_connect (leave_notify_event => sub { $self->cursor (0); delete $self->{cursorpos} });
58 $self->{canvas}->signal_connect (button_press_event => sub { $self->buttonpress ($_[1]) });
59
60 $self->{canvas}->set_events ([
61 @{ $self->{canvas}->get_events },
62 'leave-notify-mask',
63 'button-press-mask',
64 'pointer-motion-mask',
65 'pointer-motion-hint-mask'
66 ]);
67 }
68
69 sub FINALIZE {
70 warn "FINALIZE(@_)\n";#d#
71 my ($self) = @_;
72 $self->{userpanel}[$_] && (delete $self->{userpanel}[$_])->destroy
73 for BLACK, WHITE;
74 $self->SUPER::destroy;
75 delete $self->{app}{gamelist}{game}{$self->{channel}};
76 die;
77 }
78
79 sub SET_PROPERTY {
80 my ($self, $pspec, $newval) = @_;
81
82 $pspec = $pspec->get_name;
83
84 $self->cursor (0) if $pspec =~ /^cursor/;
85 $self->{$pspec} = $newval;
86 $self->cursor (1) if $pspec =~ /^cursor/;
87 }
88
89 sub configure_event {
90 my ($self, $event) = @_;
91
92 $self->{window} = $self->{canvas}->window;
93
94 my $drawable = $self->{window};
95
96 $drawable->set_back_pixmap (undef, 0);
97
98 #my $gc = new Gtk2::Gdk::GC $drawable;
99 #$gc->set_rgb_fg_color (new Gtk2::Gdk::Color 0xe0e0, 0xb2b2, 0x5e5e);
100 #$drawable->draw_rectangle ($gc, 1, 0, 0, $self->allocation->width, $self->allocation->height);
101
102 # remove Glib::Source $self->{idle};
103 $self->{idle} ||= add Glib::Idle sub {
104 delete $self->{stack};
105
106 $self->{width} = $self->{canvas}->allocation->width;
107 $self->{height} = $self->{canvas}->allocation->height;
108 $self->draw_background;
109
110 $self->draw_board (delete $self->{board}, 0) if $self->{board};
111 $self->{window}->clear_area (0, 0, $self->{width}, $self->{height});
112
113 delete $self->{idle};
114
115 0;
116 };
117
118 1;
119 }
120
121 sub set_board {
122 my ($self, $board) = @_;
123
124 $self->cursor (0);
125 $self->draw_board ($board, 1);
126 $self->cursor (1);
127 }
128
129 sub new_pixbuf {
130 my ($w, $h, $alpha, $fill) = @_;
131
132 my $pixbuf = new Gtk2::Gdk::Pixbuf 'rgb', $alpha, 8, $w, $h;
133 $pixbuf->fill ($fill) if defined $fill;
134
135 $pixbuf;
136 }
137
138 sub scale_pixbuf {
139 my ($src, $w, $h, $mode, $alpha) = @_;
140
141 my $dst = new_pixbuf $w, $h, $alpha;
142
143 $src->scale(
144 $dst, 0, 0, $w, $h, 0, 0,
145 $w / $src->get_width, $h / $src->get_height,
146 $mode,
147 );
148
149 $dst;
150 }
151
152 sub pixbuf_rect {
153 my ($pb, $colour, $x1, $y1, $x2, $y2, $alpha) = @_;
154 # we fake lines by... a horrible method :/
155 my $colour_pb = new_pixbuf 1, 1, 0, $colour;
156 $colour_pb->composite ($pb, $x1, $y1, $x2 - $x1 + 1, $y2 - $y1 + 1, $x1, $y1, $x2 + 1, $y2 + 1,
157 'nearest', $alpha);
158 }
159
160 sub center_text {
161 my ($self, $drawable, $colour, $x, $y, $size, $text) = @_;
162
163 # could be optimized by caching quite a bit
164
165 my $context = $self->get_pango_context;
166 my $font = $context->get_font_description;
167 $font->set_size ($size * Gtk2::Pango->scale);
168
169 my $layout = new Gtk2::Pango::Layout $context;
170 $layout->set_text ($text);
171 my ($w, $h) = $layout->get_pixel_size;
172
173 my $gc = new Gtk2::Gdk::GC $drawable;
174 my $r = (($colour >> 24) & 255) * 65535 / 255;
175 my $g = (($colour >> 16) & 255) * 65535 / 255;
176 my $b = (($colour >> 8) & 255) * 65535 / 255;
177 $gc->set_rgb_fg_color (new Gtk2::Gdk::Color $r, $g, $b);
178
179 $drawable->draw_layout ($gc, $x - $w*0.5, $y - $h*0.5, $layout);
180 }
181
182 # draw an empty board and attach the bg pixmap
183 sub draw_background {
184 my ($self) = @_;
185 my $canvas = $self->{canvas};
186
187 my $size = $self->{size};
188
189 my $w = $self->{width};
190 my $h = $self->{height};
191
192 my $pixmap = new Gtk2::Gdk::Pixmap $self->window, $w, $h, -1;
193
194 #my $gridcolour = 0x88444400; # black is traditional, but only with overlapping stones
195 my $gridcolour = 0x44444400; # black is traditional, but only with overlapping stones
196 my $labelcolour = 0x88444400;
197
198 # we leave enough space for the shadows.. I like smaller stones, and we
199 # do no need to do the nifty recursive screen updates that cgoban2 does
200 # TODO: smaller == buggy, want visual perfectness
201 my $borderw = int ($w / ($size + 3) * 0.5);
202 my $borderh = $borderw;
203 my $w2 = $w - $borderw * 2;
204 my $h2 = $h - $borderh * 2;
205 my $edge = ceil ($w2 / ($size + 1));
206 my $ofs = $edge * 0.5;
207
208 my @kx = map int ($w2 * $_ / ($size+1) + $borderw + 0.5), 0 .. $size; $self->{kx} = \@kx;
209 my @ky = map int ($h2 * $_ / ($size+1) + $borderh + 0.5), 0 .. $size; $self->{ky} = \@ky;
210
211 my $pixbuf;
212
213 my ($bw, $bh) = ($::board_img->get_width, $::board_img->get_height);
214
215 if ($w < $bw && $h < $bh) {
216 $pixbuf = new_pixbuf $w, $h, 0;
217 $::board_img->copy_area (0, 0, $w, $h, $pixbuf, 0, 0);
218 } else {
219 $pixbuf = scale_pixbuf $::board_img, $w, $h, $::config->{speed} ? 'nearest' : 'bilinear', 0;
220 }
221
222 my $linew = int ($w / 40 / $size);
223
224 # ornamental border... we have time to waste :/
225 pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $w-1, $linew, 255;
226 pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $linew, $h-1, 255;
227 pixbuf_rect $pixbuf, 0xffcc7700, $w-$linew-1, 0, $w-1, $h-1, 255;
228 pixbuf_rect $pixbuf, 0xffcc7700, 0, $h-$linew-1, $w-1, $h-1, 255;
229
230 for my $i (1 .. $size) {
231 pixbuf_rect $pixbuf, $gridcolour, $kx[$i] - $linew, $ky[1] - $linew, $kx[$i] + $linew, $ky[$size] + $linew, 255;
232 pixbuf_rect $pixbuf, $gridcolour, $kx[1] - $linew, $ky[$i] - $linew, $kx[$size] + $linew, $ky[$i] + $linew, 255;
233 }
234
235 # hoshi points
236 my $hoshi = sub {
237 my ($x, $y) = @_;
238 my $hs = 1 | int $edge / 4;
239 $hs = 5 if $hs < 5;
240 $x = $kx[$x] - $hs / 2; $y = $ky[$y] - $hs / 2;
241
242 # we use the shadow mask... not perfect, but I want to finish this
243 $::shadow_img->composite ($pixbuf,
244 $x, $y, ($hs + 1) x2, $x, $y,
245 $hs / $::shadow_img->get_width, $hs / $::shadow_img->get_height,
246 'bilinear', 255);
247 };
248
249 if ($size > 6) {
250 my $h1 = $size < 10 ? 3 : 4; # corner / edge offset
251 $hoshi->($h1, $h1);
252 $hoshi->($size - $h1 + 1, $h1);
253 $hoshi->($h1, $size - $h1 + 1);
254 $hoshi->($size - $h1 + 1, $size - $h1 + 1);
255
256 if ($size % 2) { # on odd boards, also the remaining 5
257 my $h2 = ($size + 1) / 2;
258 if ($size > 10) {
259 $hoshi->($h1, $h2);
260 $hoshi->($size - $h1 + 1, $h2);
261 $hoshi->($h2, $size - $h1 + 1);
262 $hoshi->($h2, $h1);
263 }
264 # the tengen
265 $hoshi->($h2, $h2);
266 }
267 }
268
269 # now we have a board sans text
270 $pixmap->draw_pixbuf ($self->style->white_gc,
271 $pixbuf,
272 0, 0, 0, 0, $w, $h,
273 "normal", 0, 0);
274
275 # now draw the labels
276 for my $i (1 .. $size) {
277 # 38 max, but we allow a bit more
278 my $label = (qw(- A B C D E F G H J K L M N O P Q R S T U V W X Y Z
279 AA BB CC DD EE FF GG HH JJ KK LL MM NN OO PP QQ RR SS TT UU VV WW XX YY ZZ))[$i];
280
281 $self->center_text ($pixmap, $labelcolour, $kx[$i], $borderh, $ofs * 0.7, $label);
282 $self->center_text ($pixmap, $labelcolour, $kx[$i], $h2 + $borderh, $ofs * 0.7, $label);
283 $self->center_text ($pixmap, $labelcolour, $borderw, $ky[$i], $ofs * 0.7, $size - $i + 1);
284 $self->center_text ($pixmap, $labelcolour, $w2 + $borderw, $ky[$i], $ofs * 0.7, $size - $i + 1);
285 }
286
287 $self->{window}->set_back_pixmap ($pixmap, 0);
288
289 $self->{backgroundpm} = $pixmap;
290 $self->{backgroundpb} = $pixbuf;
291
292 $edge = 1 | ceil $edge;
293 $ofs = $edge * 0.5;
294
295 my $shadow = $edge * SHADOW;
296
297 $self->{draw_stone} = sub {
298 my ($x, $y) = @_;
299
300 my @area = ($kx[$x] - $ofs, $ky[$y] - $ofs,
301 $edge + $shadow, $edge + $shadow);
302 my @areai = ((ceil $area[0]), (ceil $area[1]),
303 (int $area[2]), (int $area[3])); # area, integer
304
305 my $pb = new_pixbuf @areai[2,3];
306 $self->{backgroundpb}->copy_area (@areai, $pb, 0, 0);
307
308 my $put_stack = sub {
309 my ($x, $y, $dx, $dy, $ox, $oy) = @_;
310
311 my $mark = $self->{board}{board}[$x-1][$y-1];
312
313 if ($mark & ~MARK_LABEL) {
314 my $stack = $self->get_stack ($mark, $edge);
315
316 $stack->[($x ^ $y) % @$stack]
317 ->composite ($pb,
318 $ox, $oy,
319 $areai[2] + $dx - $ox, $areai[3] + $dy - $oy,
320 $dx + $ox, $dy + $oy,
321 1, 1, 'nearest', 255);
322 }
323 };
324
325 $put_stack->($x-1, $y, $kx[$x-1] - $kx[$x], 0, 0, 0) if $x > 1;
326 $put_stack->($x, $y-1, 0, $ky[$y-1] - $ky[$y], 0, 0) if $y > 1;
327 $put_stack->($x , $y , 0, 0);
328 $put_stack->($x+1, $y, 0, 0, $kx[$x+1] - $kx[$x], 0) if $x < $size;
329 $put_stack->($x, $y+1, 0, 0, 0, $ky[$y+1] - $ky[$y]) if $y < $size;
330
331 # labels are handled here because they are quite rare
332 # FIXME TODO RARE and BROKEN
333 if ($mark & MARK_LABEL) {
334 my $white = $mark & (MARK_W | MARK_GRAY_W) ? 0 : 0xffffff00;
335
336 if ($white) {
337 $self->center_text ($pb, 0,
338 $ofs * 1.1, $ofs * 1.1,
339 $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
340 }
341 $self->center_text ($pb, $white,
342 $ofs, $ofs,
343 $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
344 }
345
346 # speed none, normal, max
347 $self->{backgroundpm}->draw_pixbuf ($self->style->black_gc, $pb,
348 0, 0, @areai, 'max', 0, 0);
349
350 \@areai;
351 };
352 }
353
354 # create a stack of stones
355 sub get_stack {
356 my ($self, $mark, $size) = @_;
357
358 $self->{stack}{$mark} ||= do {
359 my @stack;
360 my $csize = ceil $size;
361 my $shadow = $size * SHADOW;
362
363 for my $stone ($mark & MARK_W ? @::white_img : @::black_img) {
364 my $base = new_pixbuf +(ceil $size + $shadow) x2, 1, 0x00000000;
365
366 # zeroeth the shadow
367 if (~$mark & MARK_GRAYED and $mark & (MARK_B | MARK_W)) {
368 $::shadow_img->composite (
369 $base, $shadow, $shadow, $csize, $csize, $shadow, $shadow,
370 $size / $::shadow_img->get_width, $size / $::shadow_img->get_height,
371 'bilinear', 128
372 );
373 }
374
375 for ([MARK_B, $mark & MARK_GRAYED ? 96 : 255, 1],
376 [MARK_W, $mark & MARK_GRAYED ? 160 : 255, TRAD_SIZE_W / TRAD_SIZE_B]) {
377 my ($mask, $alpha, $scale) = @$_;
378 if ($mark & $mask) {
379 $stone->composite (
380 $base, 0, 0, $csize, $csize, ($size * (1 - $scale) * 0.5 ) x2,
381 $size * $scale / $stone->get_width, $size * $scale / $stone->get_height,
382 'bilinear', $alpha
383 );
384 }
385 }
386
387 # then the small stones
388 for ([MARK_SMALL_B, $::black_img[$rand % @::black_img]],
389 [MARK_SMALL_W, $::white_img[$rand % @::white_img]]) {
390 my ($mask, $img) = @$_;
391 if ($mark & $mask) {
392 $img->composite (
393 $base, (int $size / 4) x2, (ceil $size / 2 + 1) x2, ($size / 4) x2,
394 $size / $img->get_width / 2, $size / $img->get_height / 2,
395 'bilinear', 255
396 );
397 }
398 }
399
400 # and lastly any markers
401 my $dark_bg = ! ! ($mark & (MARK_B | MARK_GRAY_B));
402
403 for ([MARK_CIRCLE, $::circle_img[$dark_bg]],
404 [MARK_TRIANGLE, $::triangle_img[$dark_bg]],
405 [MARK_SQUARE, $::square_img[$dark_bg]]) {
406 my ($mask, $img) = @$_;
407 if ($mark & $mask) {
408 $img->composite (
409 $base, 0, 0, $size, $size, 0, 0,
410 $size / $img->get_width, $size / $img->get_height,
411 'bilinear', 176
412 );
413 }
414 }
415
416 push @stack, $base;
417 }
418
419 \@stack;
420 }
421 }
422
423 sub draw_board {
424 my ($self, $new, $dopaint) = @_;
425
426 ($self->{board}, my $old) = ($new, $self->{board});
427
428 my $draw_stone = $self->{draw_stone};
429
430 if ($self->{backgroundpb}) {
431 my @areas;
432
433 my $size1 = $self->{size} - 1;
434
435 for my $x (0 .. $size1) {
436 my $old = $old->{board}[$x];
437 my $new = $new->{board}[$x];
438
439 for my $y (0 .. $size1) {
440 push @areas, $draw_stone->($x+1, $y+1)
441 if $old->[$y] != $new->[$y];
442 }
443 }
444
445 if ($dopaint && @areas) {
446 # a single full clear_area is way faster than many single calls here
447 # the "cut-off" point is arbitrary
448 if (@areas > 32) {
449 # update a single rectangle only
450 my $rect = new Gtk2::Gdk::Rectangle @{pop @areas};
451 $rect = $rect->union (new Gtk2::Gdk::Rectangle @$_) for @areas;
452 $self->{window}->clear_area ($rect->values);
453 } else {
454 # update all the affected rectangles
455 $self->{window}->clear_area (@$_) for @areas;
456 }
457 }
458 }
459 }
460
461 sub cursor {
462 my ($self, $show) = @_;
463
464 return unless exists $self->{cursorpos}
465 && $self->{cursor_mask}
466 && $self->{backgroundpb};
467
468 my ($x, $y) = @{$self->{cursorpos}};
469
470 my $new = $self->{board}{board}[$x-1][$y-1];
471
472 if ($show) {
473 if ($new & $self->{cursor_mask}) {
474 delete $self->{cursorpos};
475 } else {
476 $new = $new & ~$self->{cursor_mask} | $self->{cursor_value};
477 }
478 }
479
480 local $self->{board}{board}[$x-1][$y-1] = $new;
481 $self->{window}->clear_area (@{ $self->{draw_stone}->($x, $y) });
482 }
483
484 sub motion {
485 my ($self) = @_;
486
487 return unless $self->{cursor_mask} && $self->{backgroundpb};
488
489 my $window = $self->{canvas}->window;
490 my (undef, $x, $y, undef) = $window->get_pointer;
491
492 my $size = $self->{size};
493
494 my $x = int (($x - $self->{kx}[0]) * $size / ($self->{kx}[$size] - $self->{kx}[0]) + 0.5);
495 my $y = int (($y - $self->{ky}[0]) * $size / ($self->{ky}[$size] - $self->{ky}[0]) + 0.5);
496
497 my $pos = $self->{cursorpos};
498 if ($x != $pos->[0]
499 || $y != $pos->[1]) {
500
501 $self->cursor (0);
502
503 if ($x > 0 && $x <= $size
504 && $y > 0 && $y <= $size) {
505 $self->{cursorpos} = [$x, $y];
506 $self->cursor (1);
507 }
508 }
509 }
510
511 sub buttonpress {
512 my ($self, $event) = @_;
513
514 $self->motion;
515
516 if ($self->{cursorpos}) {
517 my ($button, $x, $y) = ($event->button, @{ $self->{cursorpos} });
518 warn "buttonpress $button \@$x,$y\n";
519 }
520 }
521
522 1;
523