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/cvs/kgsueme/kgsueme/board.pl
Revision: 1.18
Committed: Fri Jul 25 17:43:40 2003 UTC (20 years, 10 months ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: stable
Changes since 1.17: +2 -1 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 pcg 1.2 package Gtk2::GoBoard;
2 pcg 1.1
3 pcg 1.11 use Scalar::Util;
4    
5 pcg 1.16 use KGS::Constants;
6     use KGS::Game::Board;
7    
8     use POSIX qw(ceil);
9    
10 pcg 1.10 use Gtk2;
11 pcg 1.16
12 pcg 1.10 use Glib::Object::Subclass
13 pcg 1.11 Gtk2::AspectFrame,
14 pcg 1.10 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     ];
23 pcg 1.1
24 pcg 1.11 sub TRAD_WIDTH (){ 42.42 } # traditional board width
25     sub TRAD_HEIGHT (){ 45.45 } # traditional board height
26     sub TRAD_SIZE_B (){ 2.18 } # traditional black stone size
27     sub TRAD_SIZE_W (){ 2.12 } # traditional white stone size
28    
29 pcg 1.17 sub SHADOW (){ 0.07 }
30    
31 pcg 1.4 sub INIT_INSTANCE {
32 pcg 1.1 my $self = shift;
33    
34     $self->double_buffered (0);
35 pcg 1.14 $self->set (border_width => 0, shadow_type => 'none',
36     obey_child => 0, ratio => TRAD_WIDTH / TRAD_HEIGHT);
37 pcg 1.1
38 pcg 1.11 $self->add ($self->{canvas} = new Gtk2::DrawingArea);
39     $self->{canvas}->signal_connect (configure_event => sub { $self->configure_event ($_[1]) });
40 pcg 1.1 }
41    
42 pcg 1.11 sub FINALIZE_INSTANCE {
43     my $self = shift;
44 pcg 1.1
45 pcg 1.11 die "FINALIZE board\n";#d#
46     }
47 pcg 1.1
48     sub configure_event {
49     my ($self, $event) = @_;
50    
51 pcg 1.11 $self->{window} = $self->{canvas}->window;
52    
53 pcg 1.17 my $drawable = $self->{window};
54    
55     $drawable->set_back_pixmap (undef, 0);
56    
57     #my $gc = new Gtk2::Gdk::GC $drawable;
58     #$gc->set_rgb_fg_color (new Gtk2::Gdk::Color 0xe0e0, 0xb2b2, 0x5e5e);
59     #$drawable->draw_rectangle ($gc, 1, 0, 0, $self->allocation->width, $self->allocation->height);
60 pcg 1.11
61 pcg 1.17 # remove Glib::Source $self->{idle};
62 pcg 1.11 $self->{idle} ||= add Glib::Idle sub {
63     delete $self->{stack};
64 pcg 1.1
65 pcg 1.11 $self->{width} = $self->{canvas}->allocation->width;
66     $self->{height} = $self->{canvas}->allocation->height;
67     $self->draw_board ();
68 pcg 1.1
69 pcg 1.11 $self->draw_stones (delete $self->{board}, 0) if $self->{board};
70     $self->{window}->clear_area (0, 0, $self->{width}, $self->{height});
71    
72     delete $self->{idle};
73    
74     0;
75     };
76 pcg 1.1
77     1;
78     }
79    
80 pcg 1.11 sub set_board {
81     my ($self, $board) = @_;
82    
83     $self->draw_stones ($board, 1);
84     }
85    
86 pcg 1.1 sub new_pixbuf {
87     my ($w, $h, $alpha, $fill) = @_;
88    
89     my $pixbuf = new Gtk2::Gdk::Pixbuf 'rgb', $alpha, 8, $w, $h;
90     $pixbuf->fill ($fill) if defined $fill;
91    
92     $pixbuf;
93     }
94    
95     sub scale_pixbuf {
96     my ($src, $w, $h, $mode, $alpha) = @_;
97    
98     my $dst = new_pixbuf $w, $h, $alpha;
99    
100     $src->scale(
101     $dst, 0, 0, $w, $h, 0, 0,
102     $w / $src->get_width, $h / $src->get_height,
103     $mode,
104     );
105    
106     $dst;
107     }
108    
109     sub pixbuf_rect {
110     my ($pb, $colour, $x1, $y1, $x2, $y2, $alpha) = @_;
111     # we fake lines by... a horrible method :/
112     my $colour_pb = new_pixbuf 1, 1, 0, $colour;
113     $colour_pb->composite ($pb, $x1, $y1, $x2 - $x1 + 1, $y2 - $y1 + 1, $x1, $y1, $x2 + 1, $y2 + 1,
114     'nearest', $alpha);
115     }
116    
117 pcg 1.3 sub center_text {
118     my ($self, $drawable, $colour, $x, $y, $size, $text) = @_;
119    
120 pcg 1.11 # could be optimized by caching quite a bit
121    
122 pcg 1.3 my $context = $self->get_pango_context;
123     my $font = $context->get_font_description;
124     $font->set_size ($size * Gtk2::Pango->scale);
125    
126     my $layout = new Gtk2::Pango::Layout $context;
127     $layout->set_text ($text);
128     my ($w, $h) = $layout->get_pixel_size;
129    
130 pcg 1.11 my $gc = new Gtk2::Gdk::GC $drawable;
131     my $r = (($colour >> 24) & 255) * 65535 / 255;
132     my $g = (($colour >> 16) & 255) * 65535 / 255;
133     my $b = (($colour >> 8) & 255) * 65535 / 255;
134     $gc->set_rgb_fg_color (new Gtk2::Gdk::Color $r, $g, $b);
135 pcg 1.3
136 pcg 1.11 $drawable->draw_layout ($gc, $x - $w*0.5, $y - $h*0.5, $layout);
137 pcg 1.3 }
138    
139     # draw an empty board and attach the bg pixmap
140 pcg 1.1 sub draw_board {
141 pcg 1.11 my ($self) = @_;
142 pcg 1.1 my $canvas = $self->{canvas};
143    
144     my $size = $self->{size};
145    
146 pcg 1.11 my $w = $self->{width};
147     my $h = $self->{height};
148    
149     my $pixmap = new Gtk2::Gdk::Pixmap $self->window, $w, $h, -1;
150 pcg 1.3
151 pcg 1.18 #my $gridcolour = 0x88444400; # black is traditional, but only with overlapping stones
152     my $gridcolour = 0x44444400; # black is traditional, but only with overlapping stones
153 pcg 1.12 my $labelcolour = 0x88444400;
154    
155 pcg 1.1 # we leave enough space for the shadows.. I like smaller stones, and we
156 pcg 1.11 # do no need to do the nifty recursive screen updates that cgoban2 does
157 pcg 1.14 # TODO: smaller == buggy, want visual perfectness
158 pcg 1.11 my $borderw = int ($w / ($size + 3) * 0.5);
159 pcg 1.14 my $borderh = $borderw;
160 pcg 1.11 my $w2 = $w - $borderw * 2;
161     my $h2 = $h - $borderh * 2;
162 pcg 1.17 my $edge = $self->{edge} = ceil ($w2 / ($size + 1));
163 pcg 1.11 my $ofs = $edge * 0.5;
164 pcg 1.1
165 pcg 1.11 my @kx = map int ($w2 * $_ / ($size+1) + $borderw + 0.5), 0 .. $size; $self->{kx} = \@kx;
166     my @ky = map int ($h2 * $_ / ($size+1) + $borderh + 0.5), 0 .. $size; $self->{ky} = \@ky;
167 pcg 1.1
168     my $pixbuf;
169    
170     my ($bw, $bh) = ($::board_img->get_width, $::board_img->get_height);
171    
172 pcg 1.11 if ($w < $bw && $h < $bh) {
173     $pixbuf = new_pixbuf $w, $h, 0;
174     $::board_img->copy_area (0, 0, $w, $h, $pixbuf, 0, 0);
175 pcg 1.1 } else {
176 pcg 1.11 $pixbuf = scale_pixbuf $::board_img, $w, $h, $::config->{speed} ? 'nearest' : 'bilinear', 0;
177 pcg 1.1 }
178    
179 pcg 1.11 my $linew = int ($w / 40 / $size);
180 pcg 1.1
181     # ornamental border... we have time to waste :/
182 pcg 1.11 pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $w-1, $linew, 255;
183     pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $linew, $h-1, 255;
184     pixbuf_rect $pixbuf, 0xffcc7700, $w-$linew-1, 0, $w-1, $h-1, 255;
185     pixbuf_rect $pixbuf, 0xffcc7700, 0, $h-$linew-1, $w-1, $h-1, 255;
186 pcg 1.1
187     for my $i (1 .. $size) {
188 pcg 1.12 pixbuf_rect $pixbuf, $gridcolour, $kx[$i] - $linew, $ky[1] - $linew, $kx[$i] + $linew, $ky[$size] + $linew, 255;
189     pixbuf_rect $pixbuf, $gridcolour, $kx[1] - $linew, $ky[$i] - $linew, $kx[$size] + $linew, $ky[$i] + $linew, 255;
190 pcg 1.1 }
191    
192     # hoshi points
193     my $hoshi = sub {
194     my ($x, $y) = @_;
195 pcg 1.11 my $hs = 1 | int $edge / 4;
196     $hs = 5 if $hs < 5;
197     $x = $kx[$x] - $hs / 2; $y = $ky[$y] - $hs / 2;
198 pcg 1.1
199     # we use the shadow mask... not perfect, but I want to finish this
200     $::shadow_img->composite ($pixbuf,
201 pcg 1.11 $x, $y, ($hs + 1) x2, $x, $y,
202 pcg 1.1 $hs / $::shadow_img->get_width, $hs / $::shadow_img->get_height,
203 pcg 1.11 'bilinear', 255);
204 pcg 1.1 };
205    
206 pcg 1.11 if ($size > 6) {
207     my $h1 = $size < 10 ? 3 : 4; # corner / edge offset
208     $hoshi->($h1, $h1);
209     $hoshi->($size - $h1 + 1, $h1);
210     $hoshi->($h1, $size - $h1 + 1);
211     $hoshi->($size - $h1 + 1, $size - $h1 + 1);
212    
213     if ($size % 2) { # on odd boards, also the remaining 5
214     my $h2 = ($size + 1) / 2;
215     if ($size > 10) {
216     $hoshi->($h1, $h2);
217     $hoshi->($size - $h1 + 1, $h2);
218     $hoshi->($h2, $size - $h1 + 1);
219     $hoshi->($h2, $h1);
220     }
221     # the tengen
222     $hoshi->($h2, $h2);
223 pcg 1.1 }
224     }
225    
226 pcg 1.3 # now we have a board sans text
227     $pixmap->draw_pixbuf ($self->style->white_gc,
228     $pixbuf,
229 pcg 1.11 0, 0, 0, 0, $w, $h,
230 pcg 1.3 "normal", 0, 0);
231    
232     # now draw the labels
233     for my $i (1 .. $size) {
234     # 38 max, but we allow a bit more
235     my $label = (qw(- A B C D E F G H J K L M N O P Q R S T U V W X Y Z
236     AA BB CC DD EE FF GG HH JJ KK LL MM NN OO PP QQ RR SS TT UU VV WW XX YY ZZ))[$i];
237    
238 pcg 1.12 $self->center_text ($pixmap, $labelcolour, $kx[$i], $borderh, $ofs * 0.7, $label);
239     $self->center_text ($pixmap, $labelcolour, $kx[$i], $h2 + $borderh, $ofs * 0.7, $label);
240     $self->center_text ($pixmap, $labelcolour, $borderw, $ky[$i], $ofs * 0.7, $size - $i + 1);
241     $self->center_text ($pixmap, $labelcolour, $w2 + $borderw, $ky[$i], $ofs * 0.7, $size - $i + 1);
242 pcg 1.3 }
243    
244 pcg 1.11 $self->{window}->set_back_pixmap ($pixmap, 0);
245 pcg 1.3
246     $self->{backgroundpm} = $pixmap;
247     $self->{backgroundpb} = $pixbuf;
248 pcg 1.1 }
249    
250 pcg 1.11 # create a stack of stones
251     sub get_stack {
252     my ($self, $mark, $size) = @_;
253 pcg 1.4
254 pcg 1.11 $self->{stack}{$mark} ||= do {
255     my @stack;
256     my $csize = ceil $size;
257 pcg 1.17 my $shadow = $size * SHADOW;
258 pcg 1.1
259 pcg 1.13 for my $stone ($mark & MARK_W ? @::white_img : @::black_img) {
260 pcg 1.11 my $base = new_pixbuf +(ceil $size + $shadow) x2, 1, 0x00000000;
261 pcg 1.2
262 pcg 1.11 # zeroeth the shadow
263 pcg 1.13 if (~$mark & MARK_GRAYED and $mark & (MARK_B | MARK_W)) {
264 pcg 1.11 $::shadow_img->composite (
265     $base, $shadow, $shadow, $csize, $csize, $shadow, $shadow,
266     $size / $::shadow_img->get_width, $size / $::shadow_img->get_height,
267     'bilinear', 128
268     );
269     }
270 pcg 1.1
271 pcg 1.13 for ([MARK_B, $mark & MARK_GRAYED ? 96 : 255, 1],
272     [MARK_W, $mark & MARK_GRAYED ? 160 : 255, TRAD_SIZE_W / TRAD_SIZE_B]) {
273 pcg 1.11 my ($mask, $alpha, $scale) = @$_;
274     if ($mark & $mask) {
275     $stone->composite (
276     $base, 0, 0, $csize, $csize, ($size * (1 - $scale) * 0.5 ) x2,
277     $size * $scale / $stone->get_width, $size * $scale / $stone->get_height,
278     'bilinear', $alpha
279     );
280     }
281     }
282 pcg 1.1
283 pcg 1.11 # then the small stones
284     for ([MARK_SMALL_B, $::black_img[$rand % @::black_img]],
285     [MARK_SMALL_W, $::white_img[$rand % @::white_img]]) {
286     my ($mask, $img) = @$_;
287     if ($mark & $mask) {
288     $img->composite (
289     $base, (int $size / 4) x2, (ceil $size / 2 + 1) x2, ($size / 4) x2,
290     $size / $img->get_width / 2, $size / $img->get_height / 2,
291     'bilinear', 255
292     );
293 pcg 1.1 }
294 pcg 1.11 }
295    
296     # and lastly any markers
297     my $dark_bg = ! ! ($mark & (MARK_B | MARK_GRAY_B));
298    
299     for ([MARK_CIRCLE, $::circle_img[$dark_bg]],
300     [MARK_TRIANGLE, $::triangle_img[$dark_bg]],
301     [MARK_SQUARE, $::square_img[$dark_bg]]) {
302     my ($mask, $img) = @$_;
303     if ($mark & $mask) {
304     $img->composite (
305     $base, 0, 0, $size, $size, 0, 0,
306     $size / $img->get_width, $size / $img->get_height,
307     'bilinear', 176
308     );
309     }
310     }
311    
312     push @stack, $base;
313     }
314    
315     \@stack;
316     }
317     }
318    
319     sub draw_stones {
320     my ($self, $board, $dopaint) = @_;
321 pcg 1.1
322 pcg 1.11 if ($self->{backgroundpb}) {
323     my @areas;
324    
325     my $old = delete $self->{board};
326     my $size = $self->{size};
327     my $edge = int ($self->{edge}) | 1;
328     my $ofs = $edge * 0.5;
329     my $kx = $self->{kx};
330     my $ky = $self->{ky};
331    
332     for my $x (1 .. $size) {
333     for my $y (1 .. $size) {
334     my $mark = $board->{board}[$x-1][$y-1];
335     my $mold = $old->{board}[$x-1][$y-1];
336    
337     if ($mold != $mark) {
338 pcg 1.17 my $rand = $x ^ $y;
339 pcg 1.11
340 pcg 1.17 my $shadow = $edge * SHADOW;
341 pcg 1.11 my @area = ($kx->[$x] - $ofs, $ky->[$y] - $ofs,
342     $edge + $shadow, $edge + $shadow);
343     my @areai = ((ceil $area[0]), (ceil $area[1]),
344     (int $area[2]), (int $area[3])); # area, integer
345    
346     my $pb = new_pixbuf @areai[2,3];
347     $self->{backgroundpb}->copy_area (@areai, $pb, 0, 0);
348    
349 pcg 1.17 my $put_stack = sub {
350     my ($x, $y, $dx, $dy, $ox, $oy) = @_;
351    
352     my $mark = $board->{board}[$x-1][$y-1];
353    
354     if ($mark & ~MARK_LABEL) {
355     my $stack = $self->get_stack ($mark, $edge);
356 pcg 1.11
357 pcg 1.17 $stack->[$rand % @$stack]
358     ->composite ($pb,
359     $ox, $oy,
360     $areai[2] + $dx - $ox, $areai[3] + $dy - $oy,
361     $dx + $ox, $dy + $oy,
362     1, 1, 'nearest', 255);
363     }
364     };
365    
366     $put_stack->($x-1, $y, $kx->[$x-1] - $kx->[$x], 0, 0, 0) if $x > 1;
367     $put_stack->($x, $y-1, 0, $ky->[$y-1] - $ky->[$y], 0, 0) if $y > 1;
368     $put_stack->($x , $y , 0, 0);
369     $put_stack->($x+1, $y, 0, 0, $kx->[$x+1] - $kx->[$x], 0) if $x < $size;
370     $put_stack->($x, $y+1, 0, 0, 0, $ky->[$y+1] - $ky->[$y]) if $y < $size;
371 pcg 1.11
372     # speed none, normal, max
373     $self->{backgroundpm}->draw_pixbuf ($self->style->black_gc, $pb,
374     0, 0, @areai, 'max', 0, 0);
375    
376     # labels are handled here because they are quite rare
377     if ($mark & MARK_LABEL) {
378     my $white = $mark & (MARK_W | MARK_GRAY_W) ? 0 : 0xffffff00;
379    
380     if ($white) {
381     $self->center_text ($self->{backgroundpm}, 0,
382     $area[0] + $ofs * 1.1, $area[1] + $ofs * 1.1,
383     $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
384     }
385     $self->center_text ($self->{backgroundpm}, $white,
386     $area[0] + $ofs, $area[1] + $ofs,
387 pcg 1.3 $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
388     }
389 pcg 1.11
390     # a single full clear_area is way faster than many single calls here
391     push @areas, \@areai if $dopaint;
392    
393     #my $redraw; $redraw = sub {
394     # my ($x, $y) = @_;
395     # return if $old->{board}[$x][$y] & MARK_REDRAW;
396     # $old->{board}[$x][$y] |= MARK_REDRAW;
397     # $redraw->($x+1, $y) if $old->{board}[$x+1][$y] & (MARK_W | MARK_B | MARK_GREY_W | MARK_GREY_B);
398     # $redraw->($x, $y+1) if $old->{board}[$x][$y+1] & (MARK_W | MARK_B | MARK_GREY_W | MARK_GREY_B);
399     #};
400     #
401     #$redraw->($x-1, $y-1);
402 pcg 1.3 }
403 pcg 1.1 }
404 pcg 1.2 }
405    
406 pcg 1.11 if (@areas) {
407     # the "cut-off" point is arbitrary
408     if (@areas > 16) {
409     # update a single rectangle only
410     my $rect = new Gtk2::Gdk::Rectangle @{pop @areas};
411     $rect = $rect->union (new Gtk2::Gdk::Rectangle @$_) for @areas;
412     $self->{window}->clear_area ($rect->values);
413     } else {
414     # update all the affected rectangles
415     $self->{window}->clear_area (@$_) for @areas;
416     }
417 pcg 1.1 }
418     }
419    
420     $self->{board} = $board;
421     #d# save
422     #Storable::nstore { board => $self->{board}, size => $self->{size}, path => $self->{path}}, "testboard.storable";
423     }
424    
425     sub FINALIZE {
426     warn "FINALIZE(@_)\n";#d#
427     my ($self) = @_;
428     $self->{userpanel}[$_] && (delete $self->{userpanel}[$_])->destroy
429     for BLACK, WHITE;
430     $self->SUPER::destroy;
431 pcg 1.15 delete $self->{app}{gamelist}{game}{$self->{channel}};
432 pcg 1.1 }
433    
434     1;
435