// レイヤー構造を調べて出力
//----------------2005.05.22 新瀬 進(http://www016.upp.so-net.ne.jp/sorakaze/)

// 環境設定===================================================================
var mode = "DEEP"; /* TEXT|NORMAL|DEEP */
var endAlert = false;

var jLayerKind = new Array();
jLayerKind["LayerKind.BRIGHTNESSCONTRAST"] = "調整レイヤー/明るさ・コントラスト";
jLayerKind["LayerKind.CHANNELMIXER"] = "調整レイヤー/チャンネルミキサー";
jLayerKind["LayerKind.COLORBALANCE"] = "調整レイヤー/カラーバランス";
jLayerKind["LayerKind.CURVES"] = "調整レイヤー/トーンカーブ";
jLayerKind["LayerKind.GRADIENTFILL"] = "調整レイヤー/グラデーション";
jLayerKind["LayerKind.GRADIENTMAP"] = "調整レイヤー/グラデーションマップ";
jLayerKind["LayerKind.HUESATURATION"] = "調整レイヤー/色相・彩度";
jLayerKind["LayerKind.INVERSION"] = "調整レイヤー/階調の反転";
jLayerKind["LayerKind.LEVELS"] = "調整レイヤー/レベル補正";
jLayerKind["LayerKind.NORMAL"] = "";
jLayerKind["LayerKind.PATTERNFILL"] = "調整レイヤー/パターン";
jLayerKind["LayerKind.POSTERIZE"] = "調整レイヤー/ポスタライズ";
jLayerKind["LayerKind.SELECTIVECOLOR"] = "調整レイヤー/特定色域の選択";
jLayerKind["LayerKind.SOLIDFILL"] = "調整レイヤー/べた塗り";
jLayerKind["LayerKind.TEXT"] = "テキスト";
jLayerKind["LayerKind.THRESHOLD"] = "調整レイヤー/２値化";
jLayerKind["LayerKind.UNKNOWN"] = "未知の形式"; /* ERR */

var jBlendMode = new Array();
jBlendMode["BlendMode.COLORBLEND"] = "カラー";
jBlendMode["BlendMode.COLORBURN"] = "焼き込みカラー";
jBlendMode["BlendMode.COLORDODGE"] = "覆い焼きカラー";
jBlendMode["BlendMode.DARKEN"] = "比較（暗）";
jBlendMode["BlendMode.DIFFERENCE"] = "差の絶対値";
jBlendMode["BlendMode.DISSOLVE"] = "ディザ合成";
jBlendMode["BlendMode.EXCLUSION"] = "除外";
jBlendMode["BlendMode.HARDLIGHT"] = "ハードライト";
jBlendMode["BlendMode.HUE"] = "色相";
jBlendMode["BlendMode.LIGHTEN"] = "比較（明）";
jBlendMode["BlendMode.LINEARBURN"] = "焼き込み（リニア）";
jBlendMode["BlendMode.LINEARDODGE"] = "覆い焼き（リニア）";
jBlendMode["BlendMode.LINEARLIGHT"] = "リニアライト";
jBlendMode["BlendMode.LUMINOSITY"] = "輝度";
jBlendMode["BlendMode.MULTIPLY"] = "乗算";
jBlendMode["BlendMode.NORMAL"] = "通常";
jBlendMode["BlendMode.OVERLAY"] = "オーバーレイ";
jBlendMode["BlendMode.PASSTHROUGH"] = "通過";
jBlendMode["BlendMode.PINLIGHT"] = "ピンライト";
jBlendMode["BlendMode.SATURATION"] = "彩度";
jBlendMode["BlendMode.SCREEN"] = "スクリーン";
jBlendMode["BlendMode.SOFTLIGHT"] = "ソフトライト";
jBlendMode["BlendMode.VIVIDLIGHT"] = "ビビッドライト";
jBlendMode["BlendMode.UNKNOWN"] = "未知の形式"; /* ERR */

// メイン=====================================================================
if(documents.length == 0){
  alert("解析する画像を開いて実行してください");
}else{
	var layerCount = 0;
	var tmpResource = outPutResource(activeDocument.layers, "");
	var srcFileName = activeDocument.fullName.fsName.toString();
	textWrite(tmpResource, layerCount, srcFileName);
	if(endAlert){ alert('Ok'); }
}

// ===========================================================================
// レイヤー数だけ処理=========================================================
function outPutResource(srcLayers, tabs){
	var resourceString = "";
	for(var loop=0; loop<srcLayers.length; loop++){
		layerCount++;
		switch(mode){ /* 動作モード選択 */
			case "TEXT":
				resourceString += layerText(srcLayers[loop]);
				break;
			case "DEEP":
				resourceString += layerInfoDeep(srcLayers[loop], tabs);
				break;
			case "NORMAL":
			default:
				resourceString += layerInfo(srcLayers[loop], tabs);
		}
	}
	return resourceString;
}
// テキストレイヤーの内容を出力===============================================
function layerText(srcLayer){
	var kind = getLayerKind(srcLayer);
	var resourceString = "";

	if(kind){ /* Layer */
		if(kind == LayerKind.TEXT){
			resourceString += srcLayer.textItem.contents;
			resourceString += "\n";
		}
	}else{ /* LayerSet */
		resourceString += outPutResource(srcLayer.layers, "");
	}

	return resourceString;
}

// レイヤータイプ毎の設定を出力===============================================
function layerInfo(srcLayer, tabs){
	var kind = getLayerKind(srcLayer);
	var resourceString = "";

	if(kind){ /* Layer */
		resourceString += tabs;
		resourceString += srcLayer.grouped ? '↓' : '';
		resourceString += srcLayer.name;
		if(kind == LayerKind.TEXT){
			resourceString += "\t" + getTextString(srcLayer);
		}
		resourceString += "\n";
	}else{ /* LayerSet */
		resourceString += tabs + '<< ' + srcLayer.name + "\n";
		resourceString += outPutResource(srcLayer.layers, tabs + "\t");
		resourceString += tabs + '>>\n';
	}

	return resourceString;
}

// レイヤータイプ毎の設定を出力（詳細）=======================================
function layerInfoDeep(srcLayer, tabs){
	var kind = getLayerKind(srcLayer);
	var resourceString = "";

	if(kind){ /* Layer */
		resourceString += tabs;
		resourceString += srcLayer.grouped ? '↓' : '';
		resourceString += srcLayer.name + layerStatus(srcLayer);

		if(kind == LayerKind.TEXT){
			resourceString += "\t" + getTextString(srcLayer);
		}

		resourceString += "\n";
	}else{ /* LayerSet */
		resourceString += tabs + '<< ' + srcLayer.name;
		resourceString += layerStatus(srcLayer) + "\n";
		resourceString += outPutResource(srcLayer.layers, tabs + "\t");
		resourceString += tabs + ">>\n";
	}

	return resourceString;
}

// レイヤーの状態を出力=======================================================
function layerStatus(srcLayer){
	var kind = getLayerKind(srcLayer);
	var subStr = '(';

	if(srcLayer.isBackgroundLayer){ /* 背景レイヤー */
		subStr += '背景:';
	}else if(kind){ /* 通常レイヤー */
		subStr += jLayerKind[String(kind)] + ':';
	}else{ /* レイヤーセット */
		subStr += 'レイヤーセット:';
	}
	subStr += jBlendMode[String(getBlendMode(srcLayer))] + ':';
	subStr += String(Math.floor(srcLayer.opacity)) + ':';
	subStr += kind ? String(Math.floor(srcLayer.fillOpacity)) : '';
	subStr += ':'
	subStr += srcLayer.visible ? '@' : '_';
	subStr += ')'

	return subStr;
}

// レイヤーの種類を取得=======================================================
function getLayerKind(srcLayer){
	var kind;
	try{ kind = srcLayer.kind; }
	catch(e){ kind = "LayerKind.UNKNOWN"; }

	return kind;
}

// ブレンドモードを取得=======================================================
function getBlendMode(srcLayer){
	var bm;
	try{ bm = srcLayer.blendMode; }
	catch(e){ bm = "BlendMode.UNKNOWN"; }

	return bm;
}

// テキストレイヤーから内容を出力=============================================
function getTextString(textLayer){
	return '"' + textLayer.textItem.contents.replace(/\r/g, "\\n") + '"';
}

// テキストファイルへ出力=====================================================
function textWrite(resourceStr,layerSum, fileName){
	var outputFile = new File(fileName.replace(/\.psd$/i, '') + '.txt');

	outputFile.open("w");
	outputFile.write("解析画像　: "+ fileName + "\n");
	outputFile.write("レイヤー数: "+ layerSum + "\n\n");
	outputFile.write(resourceStr);
	outputFile.close();
}