/*:
* @author 日月星辰
* @plugindesc 屏幕截图&模糊 工具
* @help
* 1. 在事件中显示名为 snap 的图片即可获取全屏截图 （可随便放一张图片，推荐为空）
* 2. 在事件中显示名为 blur 的图片即可获取全屏截图并模糊 （同上）
* 3. 在事件中使用插件指令： blurPart x, y, w, h, opacity, id,
* 即可获取区域截图并模糊，保存至id号图片
*
* @param blurLevel
* @desc 模糊的等级，越高越糊，推荐范围[1,5]，默认1
* @default 1
*/
var params = PluginManager.parameters('SnapBlur');
var blurLevel = Number(params['blurLevel'] || 1);
var x;
var y;
var w;
var h;
(function() {
Sprite_Picture.prototype.loadBitmap = function() {
if (this._pictureName === "snap") {
this.bitmap = SceneManager.snap();
} else if (this._pictureName === "blur" ){
this.bitmap = SceneManager.snap();
for (var i = 0; i < blurLevel; i++)
this.bitmap.blur();
} else if (this._pictureName === "blurPart") {
this.bitmap = SceneManager.snap();
for (var i = 0; i < blurLevel; i++)
this.bitmap.blurArea(x, y, w, h);
} else {
this.bitmap = ImageManager.loadPicture(this._pictureName);
}
};
})();
var alias_command = Game_Interpreter.prototype.pluginCommand;
Game_Interpreter.prototype.pluginCommand = function(command, args) {
alias_command.call(this, command, args);
if (command === 'blurPart') {
x = parseInt(args[0]);
y = parseInt(args[1]);
w = parseInt(args[2]);
h = parseInt(args[3]);
var opacity = parseInt(args[4]);
var id = parseInt(args[5]);
$gameScreen.showPicture(id, "blurPart" ,0, 0, 0, 100, 100, opacity, 0, x, w, y, h);
}
return true;
};
Bitmap.prototype.blurArea = function(x, y, w, h) {
for (var i = 0; i < 2; i++) {
var canvas = this._canvas;
var context = this._context;
var tempCanvas = document.createElement('canvas');
var tempContext = tempCanvas.getContext('2d');
tempCanvas.width = w + 2;
tempCanvas.height = h + 2;
tempContext.drawImage(canvas, x, y, w, h, 1, 1, w, h);
tempContext.drawImage(canvas, x, y, w, 1, 1, 0, w, 1);
tempContext.drawImage(canvas, x, y, 1, h, 0, 1, 1, h);
tempContext.drawImage(canvas, x, h - 1, w, 1, 1, h + 1, w, 1);
tempContext.drawImage(canvas, w - 1, y, 1, h, w + 1, 1, 1, h);
context.save();
context.fillStyle = 'black';
context.fillRect(x, y, w, h);
context.globalCompositeOperation = 'lighter';
context.globalAlpha = 1 / 9;
for (var yy = 0; yy < 3; yy++) {
for (var xx = 0; xx < 3; xx++) {
context.drawImage(tempCanvas, xx, yy, w, h, x, y, w, h);
}
}
context.restore();
}
this._setDirty();
};