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/cvs/kgsueme/kgsueme/board.pl
Revision: 1.4
Committed: Tue Jun 24 02:08:08 2003 UTC (20 years, 11 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.3: +3 -1 lines
Log Message:
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File Contents

# Content
1 package Gtk2::GoBoard;
2
3 # my try at a real widget, needs the realobjects branch from Glib-CVS
4
5 use Glib;
6
7 use KGS::Constants;
8 use KGS::Game::Board;
9
10 use POSIX qw(ceil);
11
12 register Glib::Type Gtk2::DrawingArea, __PACKAGE__,
13 signals => {},
14 properties => {};
15
16 sub new {
17 my ($self, %arg) = @_;
18 $self = Glib::Object::new $self;
19 while (my ($k, $v) = each %arg) {
20 $self->{$k} = $v
21 }
22 $self;
23 }
24
25 sub INIT_INSTANCE {
26 my $self = shift;
27
28 $self->double_buffered (0);
29
30 $self->signal_connect(configure_event => \&configure_event);
31 }
32
33 sub size_allocate {
34 my ($self, $alloc) = @_;
35
36 my ($w, $h) = ($alloc->width, $alloc->height);
37
38 my $s = $self->{width} = $w;
39 warn "ALLOC($w,$h,$s)\n";#d#
40
41 1;
42 }
43
44 sub configure_event {
45 my ($self, $event) = @_;
46
47 delete $self->{stack};
48
49 my $s = $self->{width} = $self->allocation->width;
50 $self->draw_board ($s);
51
52 $self->repaint_board (delete $self->{board}, 0);
53 $self->window->clear_area (0, 0, $self->{width}, $self->{width});
54
55 1;
56 }
57
58 sub new_pixbuf {
59 my ($w, $h, $alpha, $fill) = @_;
60
61 my $pixbuf = new Gtk2::Gdk::Pixbuf 'rgb', $alpha, 8, $w, $h;
62 $pixbuf->fill ($fill) if defined $fill;
63
64 $pixbuf;
65 }
66
67 sub scale_pixbuf {
68 my ($src, $w, $h, $mode, $alpha) = @_;
69
70 my $dst = new_pixbuf $w, $h, $alpha;
71
72 $src->scale(
73 $dst, 0, 0, $w, $h, 0, 0,
74 $w / $src->get_width, $h / $src->get_height,
75 $mode,
76 );
77
78 $dst;
79 }
80
81 # create a stack of stones
82 sub create_stack {
83 my ($self, $mark, $size, $rand) = @_;
84
85 my $shadow = $size * 0.05;
86
87 my $c = \$self->{stack}{$mark};
88 unless ($$c) {
89 for my $stone ($mark & (MARK_W | MARK_GRAY_W) ? @::white_img : @::black_img) {
90 my $base = new_pixbuf $size + $shadow, $size + $shadow, 1, 0x00000000;
91
92 # zeroeth the shadow
93 if ($mark & (MARK_B | MARK_W)) {
94 # the -0.5's are a mystery to me
95 $::shadow_img->composite (
96 $base, $shadow, $shadow, $size, $size, $shadow - 0.5, $shadow - 0.5,
97 $size / $::shadow_img->get_width, $size / $::shadow_img->get_height,
98 $::config->{speed} ? 'tiles' : 'bilinear', 192
99 );
100 }
101
102 # first the big stones (handicap stones could be different)
103 for ([MARK_B, $mark & MARK_MOVE ? 255 : 255],
104 [MARK_W, $mark & MARK_MOVE ? 255 : 255],
105 [MARK_GRAY_B, 128],
106 [MARK_GRAY_W, 128]) {
107 my ($mask, $alpha) = @$_;
108 if ($mark & $mask) {
109 $stone->composite (
110 $base, 0, 0, $size, $size, 0, 0,
111 $size / $stone->get_width, $size / $stone->get_height,
112 $::config->{speed} ? 'tiles' : 'bilinear', $alpha
113 );
114 }
115 }
116
117 # then the small stones
118 for ([MARK_SMALL_B, $::black_img[$rand % @::black_img]],
119 [MARK_SMALL_W, $::white_img[$rand % @::white_img]]) {
120 my ($mask, $img) = @$_;
121 if ($mark & $mask) {
122 $img->composite (
123 $base, (int ($size / 4)) x2, (ceil ($size / 2 + 1)) x2, ($size / 4) x2,
124 $size / $img->get_width / 2, $size / $img->get_height / 2,
125 $::config->{speed} ? 'tiles' : 'bilinear', 224
126 );
127 }
128 }
129
130 # and lastly any markers
131 my $dark_bg = ! ! ($mark & (MARK_B | MARK_GRAY_B));
132
133 for ([MARK_CIRCLE, $::circle_img[$dark_bg]],
134 [MARK_TRIANGLE, $::triangle_img[$dark_bg]],
135 [MARK_SQUARE, $::square_img[$dark_bg]]) {
136 my ($mask, $img) = @$_;
137 if ($mark & $mask) {
138 $img->composite (
139 $base, 0, 0, $size, $size, 0, 0,
140 $size / $img->get_width, $size / $img->get_height,
141 $::config->{speed} ? 'tiles' : 'bilinear', 192
142 );
143 }
144 }
145
146 push @$$c, $base;
147 }
148 }
149
150 $$c->[$rand % @$$c];
151 }
152
153 sub pixbuf_rect {
154 my ($pb, $colour, $x1, $y1, $x2, $y2, $alpha) = @_;
155 # we fake lines by... a horrible method :/
156 my $colour_pb = new_pixbuf 1, 1, 0, $colour;
157 $colour_pb->composite ($pb, $x1, $y1, $x2 - $x1 + 1, $y2 - $y1 + 1, $x1, $y1, $x2 + 1, $y2 + 1,
158 'nearest', $alpha);
159 }
160
161 sub set_board {
162 my ($self, $board) = @_;
163
164 $self->repaint_board ($board, 1);
165 }
166
167 sub center_text {
168 my ($self, $drawable, $colour, $x, $y, $size, $text) = @_;
169
170 my $context = $self->get_pango_context;
171 my $font = $context->get_font_description;
172 $font->set_size ($size * Gtk2::Pango->scale);
173
174 my $layout = new Gtk2::Pango::Layout $context;
175 $layout->set_text ($text);
176 my ($w, $h) = $layout->get_pixel_size;
177
178 #d# does not work
179 my $gc = $self->style->black_gc;
180 $gc->set_foreground (new Gtk2::Gdk::Color +($colour > 24) & 255, +($colour > 16) & 255, +($colour > 8) & 255);
181
182 $drawable->draw_layout ($gc,
183 $x - $w*0.5, $y - $h*0.5, $layout);
184 }
185
186 # draw an empty board and attach the bg pixmap
187 sub draw_board {
188 my ($self, $s) = @_;
189 my $canvas = $self->{canvas};
190
191 my $size = $self->{size};
192
193 my $pixmap = new Gtk2::Gdk::Pixmap $self->window, $self->{width}, $self->{width}, -1;
194
195 # we leave enough space for the shadows.. I like smaller stones, and we
196 # do no need to do the nifty recursive screen updates that goban2 does
197 my $border = int ($s / ($size + 3) * 0.5);
198 my $s2 = $s - $border * 2;
199 my $edge = $self->{edge} = int ($s2 / ($size + 1) * 0.975);
200 my $ofs = int ($edge / 2);
201
202 my @k = map int ($s2 * $_ / ($size+1) + $border + 0.5), 0 .. $size;
203
204 $self->{k} = \@k;
205
206 my $pixbuf;
207
208 my ($bw, $bh) = ($::board_img->get_width, $::board_img->get_height);
209
210 if ($s < $bw && $s < $bh) {
211 $pixbuf = new_pixbuf $s, $s, 0;
212 $::board_img->copy_area (0, 0, $s, $s, $pixbuf, 0, 0);
213 } else {
214 $pixbuf = scale_pixbuf $::board_img, $s, $s, $::config->{speed} ? 'nearest' : 'bilinear', 0;
215 }
216
217 my $linew = int ($s / 40 / $size);
218
219 # ornamental border... we have time to waste :/
220 pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $s-1, $linew, 255;
221 pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $linew, $s-1, 255;
222 pixbuf_rect $pixbuf, 0xffcc7700, $s-$linew-1, 0, $s-1, $s-1, 255;
223 pixbuf_rect $pixbuf, 0xffcc7700, 0, $s-$linew-1, $s-1, $s-1, 255;
224
225 for my $i (1 .. $size) {
226 pixbuf_rect $pixbuf, 0x44111100, $k[$i] - $linew, $k[1] - $linew, $k[$i] + $linew, $k[$size] + $linew, 192;
227 pixbuf_rect $pixbuf, 0x44111100, $k[1] - $linew, $k[$i] - $linew, $k[$size] + $linew, $k[$i] + $linew, 192;
228 }
229
230 # hoshi points
231 my $hoshi = sub {
232 my ($x, $y) = @_;
233 my $hs = int ($edge / 4) | 1;
234 $x = $k[$x] - $hs / 2; $y = $k[$y] - $hs / 2;
235
236 # we use the shadow mask... not perfect, but I want to finish this
237 $::shadow_img->composite ($pixbuf,
238 $x, $y, $hs + 1, $hs + 1, $x, $y,
239 $hs / $::shadow_img->get_width, $hs / $::shadow_img->get_height,
240 $::config->{speed} ? 'tiles' : 'bilinear', 255);
241 };
242
243 my $h1 = $size < 10 ? 3 : 4; # corner / edge offset
244 $hoshi->($h1, $h1);
245 $hoshi->($size - $h1 + 1, $h1);
246 $hoshi->($h1, $size - $h1 + 1);
247 $hoshi->($size - $h1 + 1, $size - $h1 + 1);
248
249 if ($size % 2) { # on odd boards, also the remaining 5
250 my $h2 = ($size + 1) / 2;
251 if ($size > 10) {
252 $hoshi->($h1, $h2);
253 $hoshi->($size - $h1 + 1, $h2);
254 $hoshi->($h2, $size - $h1 + 1);
255 $hoshi->($h2, $h1);
256 }
257 # the tengen
258 $hoshi->($h2, $h2);
259 }
260
261 # now we have a board sans text
262 $pixmap->draw_pixbuf ($self->style->white_gc,
263 $pixbuf,
264 0, 0, 0, 0, $self->{width}, $self->{width},
265 "normal", 0, 0);
266
267 # now draw the labels
268 for my $i (1 .. $size) {
269 # 38 max, but we allow a bit more
270 my $label = (qw(- A B C D E F G H J K L M N O P Q R S T U V W X Y Z
271 AA BB CC DD EE FF GG HH JJ KK LL MM NN OO PP QQ RR SS TT UU VV WW XX YY ZZ))[$i];
272
273 $self->center_text ($pixmap, 0, $k[$i], $border, $ofs, $label);
274 $self->center_text ($pixmap, 0, $k[$i], $s2 + $border, $ofs, $label);
275 $self->center_text ($pixmap, 0, $border, $k[$i], $ofs, $size - $i + 1);
276 $self->center_text ($pixmap, 0, $s2 + $border, $k[$i], $ofs, $size - $i + 1);
277
278 $a++;
279 $a++ if $a eq "I"; # not correct, instead of AA AB, we should get HH JJ KK...
280 }
281
282 $self->window->set_back_pixmap ($pixmap, 0);
283
284 $self->{backgroundpm} = $pixmap;
285 $self->{backgroundpb} = $pixbuf;
286 }
287
288 sub repaint_board {
289 my ($self, $board, $dopaint) = @_;
290
291 return unless $self->{backgroundpb};
292
293 my @areas;
294
295 my $old = $self->{board};
296 my $size = $self->{size};
297 my $edge = $self->{edge};
298 my $ofs = int ($edge * 0.5);
299 my $k = $self->{k};
300
301 # repaint
302 for my $x (1 .. $size) {
303 for my $y (1 .. $size) {
304 my $mark = $board->{board}[$x-1][$y-1];
305 my $old = $old->{board}[$x-1][$y-1];
306
307 if ($old != $mark) {
308 my $rand = ($x ^ $y ^ 0x5555);
309
310 my $shadow = $edge * 0.05;
311 my @area = ($k->[$x] - $ofs, $k->[$y] - $ofs,
312 $edge + $shadow, $edge + $shadow);
313
314 my $pb = new_pixbuf @area[2,3];
315 $self->{backgroundpb}->copy_area (@area, $pb, 0, 0);
316
317 if ($mark & ~MARK_LABEL) {
318 my $stack = $self->create_stack($mark, $edge, $rand);
319
320 $stack->composite ($pb, 0, 0, @area[2,3], 0, 0, 1, 1,
321 'nearest', 255);
322 }
323
324 # speed none, normal, max
325 $self->{backgroundpm}->draw_pixbuf ($self->style->black_gc, $pb,
326 0, 0, @area, 'max', 0, 0);
327
328 # labels are handled here because they are quite rare
329 if ($mark & MARK_LABEL) {
330 my $white = $mark & (MARK_W | MARK_GRAY_W) ? 0 : 0xffffff00;
331
332 if ($white) {
333 $self->center_text ($self->{backgroundpm}, 0,
334 $area[0] + $ofs * 1.1, $area[1] + $ofs * 1.1,
335 $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
336 }
337 $self->center_text ($self->{backgroundpm}, $white,
338 $area[0] + $ofs, $area[1] + $ofs,
339 $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
340 }
341
342 # a single full clear_area is way faster than many single calls here
343 push @areas, \@area if $dopaint;
344 }
345 }
346 }
347
348 if (@areas) {
349 # the "cut-off" point is arbitrary
350 if (@areas > 16) {
351 # update a single rectangle only
352 my $rect = new Gtk2::Gdk::Rectangle @{pop @areas};
353 $rect = $rect->union (new Gtk2::Gdk::Rectangle @$_) for @areas;
354 $self->window->clear_area ($rect->values);
355 } else {
356 # update all the affected rectangles
357 $self->window->clear_area (@$_) for @areas;
358 }
359 }
360
361 $self->{board} = $board;
362 #d# save
363 #Storable::nstore { board => $self->{board}, size => $self->{size}, path => $self->{path}}, "testboard.storable";
364 }
365
366 sub FINALIZE {
367 warn "FINALIZE(@_)\n";#d#
368 my ($self) = @_;
369 $self->{userpanel}[$_] && (delete $self->{userpanel}[$_])->destroy
370 for BLACK, WHITE;
371 $self->SUPER::destroy;
372 delete $appwin::gamelist->{game}{$self->{channel}};
373 }
374
375 1;
376