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function _view(div) {
var ctx = null;
this.get_ctx = function() { return ctx; }
var quality = div.dataset.quality;
quality = (quality == undefined) ? 2 : parseInt(quality);
if (isNaN(quality) || quality < 1 || quality > 3)
throw new Error(_err.BAD_QUALITY);
this.get_quality = function() { return quality; }
var canvas = document.createElement("canvas");
canvas.width = _val.VIEW_W * quality;
canvas.height = _val.VIEW_H * quality;
div.appendChild(canvas);
ctx = canvas.getContext("2d");
if (ctx == null)
throw new Error(_err.BROWSER_NOT_SUPPORTED);
this.get_canvas = function() { return canvas; }
var komadai_mode = 0;
this.get_komadai_mode = function() { return komadai_mode; }
this.set_komadai_mode = function(mode) { komadai_mode = mode; }
var ban_left = (_val.VIEW_W - 9 * _val.MASU_W) / 2;
var ban_right = (_val.VIEW_W + 9 * _val.MASU_W) / 2;
var ban_top;
var ban_bottom;
var mochigoma_mode = 0;
this.get_mochigoma_mode = function() { return mochigoma_mode; }
this.set_mochigoma_mode = function(mode) { mochigoma_mode = mode; }
var sente_mochigoma_h;
var gote_mochigoma_h;
var player_names = _util.arr_copy(_str.DEFAULT_PLAYERS);
this.get_player_names = function() { return player_names; }
this.set_player_names = function(names) {
if (names.length != 4) return;
for (var i = 0; i < 4; i++)
player_names[i] = _util.max_len(names[i],
i % 2 == 0 ? _val.KOMADAI_LEN : _val.NAME_LEN);
}
var b_kyouchou = true;
this.set_kyouchou = function(b) { b_kyouchou = b; }
var b_hanten = false;
this.get_hanten = function() { return b_hanten; }
this.set_hanten = function(b) { b_hanten = b; }
this.set_transform = function(scale_x, scale_y, x, y) {
if (b_hanten) {
scale_x *= -1; scale_y *= -1;
x = _val.VIEW_W - x; y = _val.VIEW_H - y;
}
scale_x *= quality; scale_y *= quality;
x *= quality; y *= quality;
ctx.setTransform(scale_x, 0, 0, scale_y, x, y);
}
var pick = _sasite.get_empty_sasite();
this.get_pick = function() { return pick; }
var kyokumen = null;
this.get_kyokumen = function() { return kyokumen; }
this.set_kyokumen = function(k) { kyokumen = k; };
this.get_sente_mochigoma = function() { return kyokumen.sente; }
this.get_gote_mochigoma = function() { return kyokumen.gote; }
this.get_sasite = function() { return kyokumen.sasite; }
this.draw = function() {
if (ctx == null || kyokumen == null) return;
var banmen = kyokumen.banmen; // 盤面
var sente = kyokumen.sente; // 先手の持ち駒
var gote = kyokumen.gote; // 後手の持ち駒
var sasite = kyokumen.sasite; // 指し手
var sasite_pos = sasite.after; // 指し手の駒の位置
// ビューのクリア
this.set_transform(1, 1, 0, 0);
ctx.clearRect(0, 0, _val.VIEW_W, _val.VIEW_H);
// 盤面の領域を取得
ban_top = (_val.VIEW_H - 9 * _val.MASU_H) / 2;
ban_bottom = (_val.VIEW_H + 9 * _val.MASU_H) / 2;
if (komadai_mode == 1) { // 駒台が下にある場合
ban_top -= _val.KOMADAI_H / 2;
ban_bottom -= _val.KOMADAI_H / 2;
} else if (komadai_mode == 2) { // 駒台が上にある場合
ban_top += _val.KOMADAI_H / 2;
ban_bottom += _val.KOMADAI_H / 2;
}
// 枠の描画
var w = 9 * _val.MASU_W;
var h = 9 * _val.MASU_H;
this.set_transform(1, 1, ban_left, ban_top);
for (var i = 0; i <= 9; i++) {
ctx.beginPath();
ctx.moveTo(i * _val.MASU_W, 0);
ctx.lineTo(i * _val.MASU_W, h);
ctx.stroke();
ctx.beginPath();
ctx.moveTo(0, i * _val.MASU_H);
ctx.lineTo(w, i * _val.MASU_H);
ctx.stroke();
}
// 駒の描画
var kama;
var moji;
var x, y;
var sign;
ctx.textAlign = "center";
ctx.textBaseline = "middle";
ctx.font = _str.KOMA_FONT;
for (var i = 0; i < 81; i++) {
koma = banmen[i];
if (koma == -1) continue;
if (i == sasite_pos && b_kyouchou) // 指し手の強調
ctx.font = "bold " + _str.KOMA_FONT;
x = 8 - i % 9;
y = Math.floor(i / 9);
x = _val.MASU_W * x + ban_left + _val.MASU_W / 2;
y = _val.MASU_H * y + ban_top + _val.MASU_H / 2;
if (i == pick.before) {
this.set_transform(1, 1, x - _val.KOMA_L / 2, y - _val.KOMA_L / 2);
ctx.fillStyle = _color.PICK;
ctx.fillRect(0, 0, _val.KOMA_L, _val.KOMA_L);
ctx.fillStyle = _color.KOMA;
}
sign = (koma < 16) ? 1 : -1;
moji = _koma.MOJI[koma % 16];
if (moji.length == 2) { // 2文字の駒
this.set_transform(sign, sign * 0.5, x, y);
ctx.fillText(moji.charAt(0), 0, -0.5 * _val.KOMA_L);
ctx.fillText(moji.charAt(1), 0, 0.5 * _val.KOMA_L);
} else if (moji.length == 1) { // 1文字の駒
this.set_transform(sign, sign, x, y);
ctx.fillText(moji, 0, 0);
}
if (i == sasite_pos && b_kyouchou) // 指し手の強調を解除
ctx.font = _str.KOMA_FONT;
}
// 持駒の描画
var s;
var h;
var b_sente;
ctx.textBaseline = "top";
for (sign = 1; sign >= -1; sign -= 2) {
b_sente = (sign > 0);
s = ((b_sente) ? _str.SENTE : _str.GOTE) +
player_names[(b_sente) ? 0 : 2] + " " +
((b_sente && mochigoma_mode == 1 ||
!b_sente && mochigoma_mode == 2) ?
_str.MOCHIGOMA_ALL :
this.get_mochigoma_string((b_sente) ? sente : gote));
h = s.length * _val.KOMA_L / 2;
if (b_sente) {
this.set_transform(0.5, 0.5,
ban_right + _val.KOMA_L / 2, ban_bottom - h);
sente_mochigoma_h = h;
} else {
this.set_transform(-0.5, -0.5,
ban_left - _val.KOMA_L / 2, ban_top + h);
gote_mochigoma_h = h;
}
for (i = 0; i < s.length; i++)
ctx.fillText(s[i], 0, i * _val.KOMA_L);
}
// 長い名前の描画
if (komadai_mode == 0) {
ctx.textBaseline = "middle";
for (sign = 1; sign >= -1; sign -= 2) {
s = player_names[(sign > 0) ? 1 : 3];
if (s == "") continue;
this.set_transform(sign * 0.5, sign * 0.5,
_val.VIEW_W / 2,
(_val.VIEW_H + sign * ban_bottom) / 2);
ctx.fillText(s, 0, 0);
}
}
}
this.get_mochigoma_string = function(mochigoma) {
var s;
var count;
var n;
var i;
// 文字列のカウント
n = mochigoma[_koma.Fu]; // 歩の数
count = (n <= 1) ? n : (n <= 10) ? 2 : 3;
for (i = _koma.Ky; i <= _koma.Hi; i++) // 香から飛まで
count += mochigoma[i];
if (count == 0) return _str.MOCHIGOMA_EMPTY;
// 持ち駒の文字列を作成
s = "";
for (i = _koma.Hi; i >= _koma.Fu; i--) { // 飛から歩まで
n = mochigoma[i];
if (n == 0) continue;
s += _koma.MOJI[i];
if (n == 1) continue;
if (i == _koma.Fu || count > 15) { // 漢数字表記
s += this.get_kansuuji_string(n);
} else { // 羅列表記
while (n-- > 1)
s += _koma.MOJI[i];
}
}
return s;
}
// 漢数字テキスト取得
this.get_kansuuji_string = function(n) {
var s = (n >= 10) ? _str.KANSUUJI.charAt(10) : "";
if (n != 10) s += _str.KANSUUJI.charAt(n % 10);
return s;
}
this.get_banmen_pos = function(x, y) {
if (x < ban_left || x >= ban_right ||
y < ban_top || y >= ban_bottom) return -1;
return 8 - Math.floor((x - ban_left) / _val.MASU_W) +
9 * Math.floor((y - ban_top) / _val.MASU_H);
}
this.in_sente_mochigoma = function(x, y) {
x -= ban_right;
y -= ban_bottom;
return (x >= 0 && y < 0 && y >= -sente_mochigoma_h);
}
this.in_gote_mochigoma = function(x, y) {
x -= ban_left;
y -= ban_top;
return (x < 0 && y >= 0 && y < gote_mochigoma_h);
}
this.in_komadai = function(x, y) {
if (komadai_mode == 0) return false;
return (komadai_mode == 1 && y >= _val.VIEW_H - _val.KOMADAI_H) ||
(komadai_mode == 2 && y < _val.KOMADAI_H);
}
this.get_banmen_koma = function(pos) {
if (pos < 0 || pos >= 81) return -1;
return kyokumen.banmen[pos];
}
this.set_banmen_koma = function(pos, koma) {
kyokumen.banmen[pos] = koma;
}
}