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/cvs/kgsueme/kgsueme/board.pl
Revision: 1.16
Committed: Fri Jul 25 03:50:33 2003 UTC (20 years, 10 months ago) by pcg
Content type: text/plain
Branch: MAIN
Changes since 1.15: +6 -5 lines
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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 1.4 sub INIT_INSTANCE {
30 pcg 1.1 my $self = shift;
31    
32     $self->double_buffered (0);
33 pcg 1.14 $self->set (border_width => 0, shadow_type => 'none',
34     obey_child => 0, ratio => TRAD_WIDTH / TRAD_HEIGHT);
35 pcg 1.1
36 pcg 1.11 $self->add ($self->{canvas} = new Gtk2::DrawingArea);
37     $self->{canvas}->signal_connect (configure_event => sub { $self->configure_event ($_[1]) });
38 pcg 1.1 }
39    
40 pcg 1.11 sub FINALIZE_INSTANCE {
41     my $self = shift;
42 pcg 1.1
43 pcg 1.11 die "FINALIZE board\n";#d#
44     }
45 pcg 1.1
46     sub configure_event {
47     my ($self, $event) = @_;
48    
49 pcg 1.11 $self->{window} = $self->{canvas}->window;
50    
51     $self->{window}->set_back_pixmap (undef, 0);
52     # would need to use find color in colormap etc.
53     $self->{window}->set_background (new Gtk2::Gdk::Color 0xe4e, 0xb4b4, 0x5f5f);
54     $self->{window}->clear_area (0, 0, $self->allocation->width, $self->allocation->height);
55    
56     #^remove Glib::Source $self->{idle};
57     $self->{idle} ||= add Glib::Idle sub {
58     delete $self->{stack};
59 pcg 1.1
60 pcg 1.11 $self->{width} = $self->{canvas}->allocation->width;
61     $self->{height} = $self->{canvas}->allocation->height;
62     $self->draw_board ();
63 pcg 1.1
64 pcg 1.11 $self->draw_stones (delete $self->{board}, 0) if $self->{board};
65     $self->{window}->clear_area (0, 0, $self->{width}, $self->{height});
66    
67     delete $self->{idle};
68    
69     0;
70     };
71 pcg 1.1
72     1;
73     }
74    
75 pcg 1.11 sub set_board {
76     my ($self, $board) = @_;
77    
78     $self->draw_stones ($board, 1);
79     }
80    
81 pcg 1.1 sub new_pixbuf {
82     my ($w, $h, $alpha, $fill) = @_;
83    
84     my $pixbuf = new Gtk2::Gdk::Pixbuf 'rgb', $alpha, 8, $w, $h;
85     $pixbuf->fill ($fill) if defined $fill;
86    
87     $pixbuf;
88     }
89    
90     sub scale_pixbuf {
91     my ($src, $w, $h, $mode, $alpha) = @_;
92    
93     my $dst = new_pixbuf $w, $h, $alpha;
94    
95     $src->scale(
96     $dst, 0, 0, $w, $h, 0, 0,
97     $w / $src->get_width, $h / $src->get_height,
98     $mode,
99     );
100    
101     $dst;
102     }
103    
104     sub pixbuf_rect {
105     my ($pb, $colour, $x1, $y1, $x2, $y2, $alpha) = @_;
106     # we fake lines by... a horrible method :/
107     my $colour_pb = new_pixbuf 1, 1, 0, $colour;
108     $colour_pb->composite ($pb, $x1, $y1, $x2 - $x1 + 1, $y2 - $y1 + 1, $x1, $y1, $x2 + 1, $y2 + 1,
109     'nearest', $alpha);
110     }
111    
112 pcg 1.3 sub center_text {
113     my ($self, $drawable, $colour, $x, $y, $size, $text) = @_;
114    
115 pcg 1.11 # could be optimized by caching quite a bit
116    
117 pcg 1.3 my $context = $self->get_pango_context;
118     my $font = $context->get_font_description;
119     $font->set_size ($size * Gtk2::Pango->scale);
120    
121     my $layout = new Gtk2::Pango::Layout $context;
122     $layout->set_text ($text);
123     my ($w, $h) = $layout->get_pixel_size;
124    
125 pcg 1.11 my $gc = new Gtk2::Gdk::GC $drawable;
126     my $r = (($colour >> 24) & 255) * 65535 / 255;
127     my $g = (($colour >> 16) & 255) * 65535 / 255;
128     my $b = (($colour >> 8) & 255) * 65535 / 255;
129     $gc->set_rgb_fg_color (new Gtk2::Gdk::Color $r, $g, $b);
130 pcg 1.3
131 pcg 1.11 $drawable->draw_layout ($gc, $x - $w*0.5, $y - $h*0.5, $layout);
132 pcg 1.3 }
133    
134     # draw an empty board and attach the bg pixmap
135 pcg 1.1 sub draw_board {
136 pcg 1.11 my ($self) = @_;
137 pcg 1.1 my $canvas = $self->{canvas};
138    
139     my $size = $self->{size};
140    
141 pcg 1.11 my $w = $self->{width};
142     my $h = $self->{height};
143    
144     my $pixmap = new Gtk2::Gdk::Pixmap $self->window, $w, $h, -1;
145 pcg 1.3
146 pcg 1.12 my $gridcolour = 0x88444400; # black is traditional, but only with overlapping stones
147     my $labelcolour = 0x88444400;
148    
149 pcg 1.1 # we leave enough space for the shadows.. I like smaller stones, and we
150 pcg 1.11 # do no need to do the nifty recursive screen updates that cgoban2 does
151 pcg 1.14 # TODO: smaller == buggy, want visual perfectness
152 pcg 1.11 my $borderw = int ($w / ($size + 3) * 0.5);
153 pcg 1.14 my $borderh = $borderw;
154 pcg 1.11 my $w2 = $w - $borderw * 2;
155     my $h2 = $h - $borderh * 2;
156     my $edge = $self->{edge} = $w2 / ($size + 1) * 0.975 - 1;
157     my $ofs = $edge * 0.5;
158 pcg 1.1
159 pcg 1.11 my @kx = map int ($w2 * $_ / ($size+1) + $borderw + 0.5), 0 .. $size; $self->{kx} = \@kx;
160     my @ky = map int ($h2 * $_ / ($size+1) + $borderh + 0.5), 0 .. $size; $self->{ky} = \@ky;
161 pcg 1.1
162     my $pixbuf;
163    
164     my ($bw, $bh) = ($::board_img->get_width, $::board_img->get_height);
165    
166 pcg 1.11 if ($w < $bw && $h < $bh) {
167     $pixbuf = new_pixbuf $w, $h, 0;
168     $::board_img->copy_area (0, 0, $w, $h, $pixbuf, 0, 0);
169 pcg 1.1 } else {
170 pcg 1.11 $pixbuf = scale_pixbuf $::board_img, $w, $h, $::config->{speed} ? 'nearest' : 'bilinear', 0;
171 pcg 1.1 }
172    
173 pcg 1.11 my $linew = int ($w / 40 / $size);
174 pcg 1.1
175     # ornamental border... we have time to waste :/
176 pcg 1.11 pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $w-1, $linew, 255;
177     pixbuf_rect $pixbuf, 0xffcc7700, 0, 0, $linew, $h-1, 255;
178     pixbuf_rect $pixbuf, 0xffcc7700, $w-$linew-1, 0, $w-1, $h-1, 255;
179     pixbuf_rect $pixbuf, 0xffcc7700, 0, $h-$linew-1, $w-1, $h-1, 255;
180 pcg 1.1
181     for my $i (1 .. $size) {
182 pcg 1.12 pixbuf_rect $pixbuf, $gridcolour, $kx[$i] - $linew, $ky[1] - $linew, $kx[$i] + $linew, $ky[$size] + $linew, 255;
183     pixbuf_rect $pixbuf, $gridcolour, $kx[1] - $linew, $ky[$i] - $linew, $kx[$size] + $linew, $ky[$i] + $linew, 255;
184 pcg 1.1 }
185    
186     # hoshi points
187     my $hoshi = sub {
188     my ($x, $y) = @_;
189 pcg 1.11 my $hs = 1 | int $edge / 4;
190     $hs = 5 if $hs < 5;
191     $x = $kx[$x] - $hs / 2; $y = $ky[$y] - $hs / 2;
192 pcg 1.1
193     # we use the shadow mask... not perfect, but I want to finish this
194     $::shadow_img->composite ($pixbuf,
195 pcg 1.11 $x, $y, ($hs + 1) x2, $x, $y,
196 pcg 1.1 $hs / $::shadow_img->get_width, $hs / $::shadow_img->get_height,
197 pcg 1.11 'bilinear', 255);
198 pcg 1.1 };
199    
200 pcg 1.11 if ($size > 6) {
201     my $h1 = $size < 10 ? 3 : 4; # corner / edge offset
202     $hoshi->($h1, $h1);
203     $hoshi->($size - $h1 + 1, $h1);
204     $hoshi->($h1, $size - $h1 + 1);
205     $hoshi->($size - $h1 + 1, $size - $h1 + 1);
206    
207     if ($size % 2) { # on odd boards, also the remaining 5
208     my $h2 = ($size + 1) / 2;
209     if ($size > 10) {
210     $hoshi->($h1, $h2);
211     $hoshi->($size - $h1 + 1, $h2);
212     $hoshi->($h2, $size - $h1 + 1);
213     $hoshi->($h2, $h1);
214     }
215     # the tengen
216     $hoshi->($h2, $h2);
217 pcg 1.1 }
218     }
219    
220 pcg 1.3 # now we have a board sans text
221     $pixmap->draw_pixbuf ($self->style->white_gc,
222     $pixbuf,
223 pcg 1.11 0, 0, 0, 0, $w, $h,
224 pcg 1.3 "normal", 0, 0);
225    
226     # now draw the labels
227     for my $i (1 .. $size) {
228     # 38 max, but we allow a bit more
229     my $label = (qw(- A B C D E F G H J K L M N O P Q R S T U V W X Y Z
230     AA BB CC DD EE FF GG HH JJ KK LL MM NN OO PP QQ RR SS TT UU VV WW XX YY ZZ))[$i];
231    
232 pcg 1.12 $self->center_text ($pixmap, $labelcolour, $kx[$i], $borderh, $ofs * 0.7, $label);
233     $self->center_text ($pixmap, $labelcolour, $kx[$i], $h2 + $borderh, $ofs * 0.7, $label);
234     $self->center_text ($pixmap, $labelcolour, $borderw, $ky[$i], $ofs * 0.7, $size - $i + 1);
235     $self->center_text ($pixmap, $labelcolour, $w2 + $borderw, $ky[$i], $ofs * 0.7, $size - $i + 1);
236 pcg 1.3 }
237    
238 pcg 1.11 $self->{window}->set_back_pixmap ($pixmap, 0);
239 pcg 1.3
240     $self->{backgroundpm} = $pixmap;
241     $self->{backgroundpb} = $pixbuf;
242 pcg 1.1 }
243    
244 pcg 1.11 # create a stack of stones
245     sub get_stack {
246     my ($self, $mark, $size) = @_;
247 pcg 1.4
248 pcg 1.11 $self->{stack}{$mark} ||= do {
249     my @stack;
250     my $csize = ceil $size;
251     my $shadow = $size * 0.05;
252 pcg 1.1
253 pcg 1.13 for my $stone ($mark & MARK_W ? @::white_img : @::black_img) {
254 pcg 1.11 my $base = new_pixbuf +(ceil $size + $shadow) x2, 1, 0x00000000;
255 pcg 1.2
256 pcg 1.11 # zeroeth the shadow
257 pcg 1.13 if (~$mark & MARK_GRAYED and $mark & (MARK_B | MARK_W)) {
258 pcg 1.11 $::shadow_img->composite (
259     $base, $shadow, $shadow, $csize, $csize, $shadow, $shadow,
260     $size / $::shadow_img->get_width, $size / $::shadow_img->get_height,
261     'bilinear', 128
262     );
263     }
264 pcg 1.1
265 pcg 1.13 for ([MARK_B, $mark & MARK_GRAYED ? 96 : 255, 1],
266     [MARK_W, $mark & MARK_GRAYED ? 160 : 255, TRAD_SIZE_W / TRAD_SIZE_B]) {
267 pcg 1.11 my ($mask, $alpha, $scale) = @$_;
268     if ($mark & $mask) {
269     $stone->composite (
270     $base, 0, 0, $csize, $csize, ($size * (1 - $scale) * 0.5 ) x2,
271     $size * $scale / $stone->get_width, $size * $scale / $stone->get_height,
272     'bilinear', $alpha
273     );
274     }
275     }
276 pcg 1.1
277 pcg 1.11 # then the small stones
278     for ([MARK_SMALL_B, $::black_img[$rand % @::black_img]],
279     [MARK_SMALL_W, $::white_img[$rand % @::white_img]]) {
280     my ($mask, $img) = @$_;
281     if ($mark & $mask) {
282     $img->composite (
283     $base, (int $size / 4) x2, (ceil $size / 2 + 1) x2, ($size / 4) x2,
284     $size / $img->get_width / 2, $size / $img->get_height / 2,
285     'bilinear', 255
286     );
287 pcg 1.1 }
288 pcg 1.11 }
289    
290     # and lastly any markers
291     my $dark_bg = ! ! ($mark & (MARK_B | MARK_GRAY_B));
292    
293     for ([MARK_CIRCLE, $::circle_img[$dark_bg]],
294     [MARK_TRIANGLE, $::triangle_img[$dark_bg]],
295     [MARK_SQUARE, $::square_img[$dark_bg]]) {
296     my ($mask, $img) = @$_;
297     if ($mark & $mask) {
298     $img->composite (
299     $base, 0, 0, $size, $size, 0, 0,
300     $size / $img->get_width, $size / $img->get_height,
301     'bilinear', 176
302     );
303     }
304     }
305    
306     push @stack, $base;
307     }
308    
309     \@stack;
310     }
311     }
312    
313     sub draw_stones {
314     my ($self, $board, $dopaint) = @_;
315 pcg 1.1
316 pcg 1.11 if ($self->{backgroundpb}) {
317     my @areas;
318    
319     my $old = delete $self->{board};
320     my $size = $self->{size};
321     my $edge = int ($self->{edge}) | 1;
322     my $ofs = $edge * 0.5;
323     my $kx = $self->{kx};
324     my $ky = $self->{ky};
325    
326     for my $x (1 .. $size) {
327     for my $y (1 .. $size) {
328     my $mark = $board->{board}[$x-1][$y-1];
329     my $mold = $old->{board}[$x-1][$y-1];
330    
331     if ($mold != $mark) {
332     my $rand = ($x ^ $y ^ 0x5555);
333    
334     my $shadow = $edge * 0.05;
335     my @area = ($kx->[$x] - $ofs, $ky->[$y] - $ofs,
336     $edge + $shadow, $edge + $shadow);
337     my @areai = ((ceil $area[0]), (ceil $area[1]),
338     (int $area[2]), (int $area[3])); # area, integer
339    
340     my $pb = new_pixbuf @areai[2,3];
341     $self->{backgroundpb}->copy_area (@areai, $pb, 0, 0);
342    
343     if ($mark & ~MARK_LABEL) {
344     my $stack = $self->get_stack ($mark, $edge);
345    
346     $stack->[$rand % @$stack]
347     ->composite ($pb, 0, 0, @areai[2,3], 0, 0,
348     1, 1, 'nearest', 255);
349     }
350    
351     # speed none, normal, max
352     $self->{backgroundpm}->draw_pixbuf ($self->style->black_gc, $pb,
353     0, 0, @areai, 'max', 0, 0);
354    
355     # labels are handled here because they are quite rare
356     if ($mark & MARK_LABEL) {
357     my $white = $mark & (MARK_W | MARK_GRAY_W) ? 0 : 0xffffff00;
358    
359     if ($white) {
360     $self->center_text ($self->{backgroundpm}, 0,
361     $area[0] + $ofs * 1.1, $area[1] + $ofs * 1.1,
362     $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
363     }
364     $self->center_text ($self->{backgroundpm}, $white,
365     $area[0] + $ofs, $area[1] + $ofs,
366 pcg 1.3 $ofs * 0.7, $self->{board}{label}[$x-1][$y-1]);
367     }
368 pcg 1.11
369     # a single full clear_area is way faster than many single calls here
370     push @areas, \@areai if $dopaint;
371    
372     #my $redraw; $redraw = sub {
373     # my ($x, $y) = @_;
374     # return if $old->{board}[$x][$y] & MARK_REDRAW;
375     # $old->{board}[$x][$y] |= MARK_REDRAW;
376     # $redraw->($x+1, $y) if $old->{board}[$x+1][$y] & (MARK_W | MARK_B | MARK_GREY_W | MARK_GREY_B);
377     # $redraw->($x, $y+1) if $old->{board}[$x][$y+1] & (MARK_W | MARK_B | MARK_GREY_W | MARK_GREY_B);
378     #};
379     #
380     #$redraw->($x-1, $y-1);
381 pcg 1.3 }
382 pcg 1.1 }
383 pcg 1.2 }
384    
385 pcg 1.11 if (@areas) {
386     # the "cut-off" point is arbitrary
387     if (@areas > 16) {
388     # update a single rectangle only
389     my $rect = new Gtk2::Gdk::Rectangle @{pop @areas};
390     $rect = $rect->union (new Gtk2::Gdk::Rectangle @$_) for @areas;
391     $self->{window}->clear_area ($rect->values);
392     } else {
393     # update all the affected rectangles
394     $self->{window}->clear_area (@$_) for @areas;
395     }
396 pcg 1.1 }
397     }
398    
399     $self->{board} = $board;
400     #d# save
401     #Storable::nstore { board => $self->{board}, size => $self->{size}, path => $self->{path}}, "testboard.storable";
402     }
403    
404     sub FINALIZE {
405     warn "FINALIZE(@_)\n";#d#
406     my ($self) = @_;
407     $self->{userpanel}[$_] && (delete $self->{userpanel}[$_])->destroy
408     for BLACK, WHITE;
409     $self->SUPER::destroy;
410 pcg 1.15 delete $self->{app}{gamelist}{game}{$self->{channel}};
411 pcg 1.1 }
412    
413     1;
414