tv_xiaoyouxi/games/getthefish/js/tringine/trinText.js

function TrinText(text) {
    TrinText.superclass.constructor.apply(this);
    this.text = "" + text;
    this.color = "#000000";
    this.style = "16px Arial";
    this.filled = true; 
    this.baseLine = "top";
    this.align = "left";
    this.shadow = {x: 0, y: 0, blur: 0};
    this.patternImage = null;
}

extend(TrinText, TrinEntity);

TrinText.prototype.setStyle = function(font, size, bold, color, align, baseLine) {
    if (font === undefined) {
        font = "Arial";
    }
    if (size === undefined) {
        size = 16;
    }
    if (bold === undefined) {
        bold = false;
    }
    if (color === undefined) {
        color = this.color;
    }
    if (align === undefined)    {
        align = this.align;
    }
    if (baseLine === undefined) {
        baseLine = this.baseLine;
    }
    this.style = "";
    if (bold) {
        this.style += "Bold ";
    }
    this.style += size + "px ";
    this.style += font;
    this.color = color;
    this.align = align;
    this.baseLine = baseLine;
};

TrinText.prototype.draw = function(context) {
    TrinText.superclass.draw.apply(this, [context]);
    var dx = this.x - this.orign.x;
    var dy = this.y - this.orign.y;
    context.font = this.style;
    context.textBaseline = this.baseLine;
    context.textAlign = this.align;
    if (this.shadow.x !== 0 || this.shadow.y !== 0 || this.shadow.blur !== 0)   {
        context.shadowOffsetX = this.shadow.x;
        context.shadowOffsetY = this.shadow.y;
        context.shadowBlur = this.shadow.blur;
    }
    if (this.filled)    {
        if (this.patternImage === null) {
            context.fillStyle = this.color;
        }   else {
            if (this.patterns[this.patternImage] === null)  {
                this.patterns[this.patternImage] = context.createPattern(this.patternImage, "repeat");
            }
            context.fillStyle = this.patterns[this.patternImage];
        }
        context.fillText(this.text, dx, dy);
    }   else {
        context.strokeStyle = this.color;
        context.fillText(this.text, dx, dy);
    }
};

TrinText.prototype.patterns = [];