Git リポジトリ化
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/**************************************************/
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/* */
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/* MedianCut.js */
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/* v0.88 */
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/* */
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/* Copyright 2016 Takeshi Okamoto (Japan) */
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/* */
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/* Released under the MIT license */
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/* https://github.com/TakeshiOkamoto/ */
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/* */
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/* Date: 2016-12-14 */
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/**************************************************/
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////////////////////////////////////////////////////////////////////////////////
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// Generic Function
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////////////////////////////////////////////////////////////////////////////////
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// 画像のカラー情報の取得
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function getColorInfo(imagedata){
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var height = imagedata.height;
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var width = imagedata.width;
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var raw = imagedata.data;
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// 使用色/使用回数(面積)を取得
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var cnt = 0;
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var uses_colors = new Object;
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for(var i = 0; i< height;i++){
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for(var j = 0; j< width;j++){
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var key = raw[cnt] + ',' +
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raw[cnt+1] + ',' +
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raw[cnt+2] ;
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if (!uses_colors[key])
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uses_colors[key] = 1;
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else
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uses_colors[key] += 1;
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cnt = cnt + 4;
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}
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}
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// 連想配列を配列へ設定
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var rgb;
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var colors = new Array();
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for (var key in uses_colors) {
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rgb = key.split(",");
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colors[colors.length] = {'r':parseInt(rgb[0],10),
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'g':parseInt(rgb[1],10),
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'b':parseInt(rgb[2],10),
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'uses':uses_colors[key]}; // 使用数
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}
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return colors;
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}
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////////////////////////////////////////////////////////////////////////////////
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// Generic Class
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////////////////////////////////////////////////////////////////////////////////
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// ---------------------
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// TMedianCut
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// ---------------------
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// imagedata : 減色するImageDataオブジェクト
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// colors : getColorInfo()で取得したカラー情報
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function TMedianCut(imagedata,colors) {
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this.raw = imagedata.data;
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this.width = imagedata.width;
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this.height = imagedata.height;
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this.msg = '';
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this.colors = colors;
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}
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// ---------------------
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// TMedianCut.Method
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// ---------------------
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TMedianCut.prototype = {
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// プロパティの設定
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_setProperty : function (color){
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var total = 0;
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var maxR = 0, maxG = 0, maxB = 0;
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var minR = 255, minG = 255, minB = 255;
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// 立方体の1辺の長さ
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for(var i = 0; i < color.length;i++){
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if (color[i].rgb.r > maxR) maxR = color[i].rgb.r ;
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if (color[i].rgb.g > maxG) maxG = color[i].rgb.g ;
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if (color[i].rgb.b > maxB) maxB = color[i].rgb.b ;
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if (color[i].rgb.r < minR) minR = color[i].rgb.r ;
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if (color[i].rgb.g < minG) minG = color[i].rgb.g ;
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if (color[i].rgb.b < minB) minB = color[i].rgb.b ;
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// キューブで使用している面積
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total += color[i].rgb.uses;
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}
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var dr = (maxR - minR)*1.2;
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var dg = (maxG - minG)*1.2;
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var db = (maxB - minB);
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// 同一の場合はrを優先する
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var colortype = 'r';
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// r
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if (dr > dg && dr > db){
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colortype = 'r';
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}
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// g
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if (dg > dr && dg > db){
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colortype = 'g';
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}
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// b
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if (db > dr && db > dg){
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colortype = 'b';
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}
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return { 'color' : color, // キューブの各色情報
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'total' : total, // キューブの総面積(総色数)
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'type' : colortype,// キューブの種類(R/G/B)
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// キューブの体積用 'volume': dr * dg * db
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};
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},
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// メディアンカット
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_MedianCut : function(cubes,colorsize){
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var count = 0;
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var index = 0;
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// 面積(色数)が最大のキューブを選択
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for(var i = 0; i < cubes.length;i++){
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if(cubes[i].total > count){
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// 1点は除く
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if (cubes[i].color.length != 1){
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index = i;
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count = cubes[i].total;
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}
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}
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}
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// 体積が最大のキューブを選択
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//if(cubes[index].color.length == 1){
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//
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// count =0; index =0;
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//
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// for(var i = 0; i < cubes.length;i++){
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// if(cubes[i].volume > count){
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// index = i;
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// count = cubes[i].volume;
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// }
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// }
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//}
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if (cubes[index].total == 1){
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// Cube could not be split.
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this.msg += colorsize + '色までキューブを分割できませんでした。\n';
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return cubes;
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}
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if(cubes[index].color.length == 1){
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// Cube could not be split.
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this.msg += colorsize + '色までキューブを分割できませんでした。\n';
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return cubes;
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}
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// メディアン由来の中央値を算出する
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var colortype = cubes[index].type;
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cubes[index].color.sort(function(a,b){
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if(a.rgb[colortype] < b.rgb[colortype] ) return -1;
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if(a.rgb[colortype] > b.rgb[colortype] ) return 1;
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return 0;
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});
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split_border = Math.floor((cubes[index].color.length+1)/2);
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// 分割の開始
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var split1 = new Array;
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var split2 = new Array;
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for(var i = 0; i < cubes[index].color.length;i++){
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if (i < split_border){
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split1[split1.length] = cubes[index].color[i];
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}else{
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split2[split2.length] = cubes[index].color[i];
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}
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}
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// プロパティの設定
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split1 = this._setProperty(split1);
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split2 = this._setProperty(split2);
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// キューブ配列の再編成
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var result = new Array();
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for(var i = 0; i < cubes.length;i++){
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if (i != index){
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result[result.length] = cubes[i];
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}
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}
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result[result.length] = split1;
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result[result.length] = split2;
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if (result.length < colorsize){
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return this._MedianCut(result,colorsize);
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}else{
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return result;
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}
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},
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// 減色の実行
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// colorsize : 最大何色まで減色するかの色数(2- 256)
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// update : true ピクセルデータを更新 false 更新しない
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run : function(colorsize,update){
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if (this.colors.length <= colorsize){
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// It has already been reduced color.
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this.msg = '既に'+ this.colors.length +'色に減色されています。\n';
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//return;
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}
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// 1個目のキューブの作成
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var plane = new Array;
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for(var i = 0; i < this.colors.length;i++){
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plane[plane.length] = {'rgb': this.colors[i]};
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}
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var dummy = new Array();
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dummy[0] = this._setProperty(plane);
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// キューブの分割
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var cubes = this._MedianCut(dummy,colorsize);
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// キューブ毎に代表色(重み係数による平均)を算出する
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var rep_color = new Array();
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for(var i = 0; i < cubes.length;i++){
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var count = 0;
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var r =0,g=0,b=0;
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for(var j = 0; j < cubes[i].color.length;j++){
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r += cubes[i].color[j].rgb.r * cubes[i].color[j].rgb.uses;
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g += cubes[i].color[j].rgb.g * cubes[i].color[j].rgb.uses;
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b += cubes[i].color[j].rgb.b * cubes[i].color[j].rgb.uses;
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count += cubes[i].color[j].rgb.uses;
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}
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rep_color[i] = {'r': Math.round(r/count),
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'g': Math.round(g/count),
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'b': Math.round(b/count)};
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}
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// 代表色の保存
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this.rep_color = rep_color;
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// ピクセルデータの更新
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if (update) {
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// ピクセルデータ設定用の連想配列(高速化用)
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var pixels = new Object;
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for(var i = 0; i < cubes.length;i++){
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for(var j = 0; j < cubes[i].color.length;j++){
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pixels[cubes[i].color[j].rgb.r + ',' +
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cubes[i].color[j].rgb.g + ',' +
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cubes[i].color[j].rgb.b] = {'r': rep_color[i].r,
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'g': rep_color[i].g,
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'b': rep_color[i].b};
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}
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}
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// データの設定
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var key,cnt =0;
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for(var i = 0; i< this.height;i++){
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for(var j = 0; j< this.width;j++){
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key = this.raw[cnt] + ',' +
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this.raw[cnt+1] + ',' +
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this.raw[cnt+2];
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this.raw[cnt] = pixels[key].r;
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this.raw[cnt+1] = pixels[key].g;
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this.raw[cnt+2] = pixels[key].b;
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cnt = cnt + 4;
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}
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}
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}
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}
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}
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@@ -0,0 +1,48 @@
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<?php
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define ('SAVE_DIR', 'draft/');
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$json = getParamJSON ();
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if (!(isset ($json['data'])))
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{
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sendResult (false, 'Empty query Parameter: data');
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exit (1);
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}
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if (!(preg_match ('/^data:image\/png;base64,/', $json['data'])))
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{
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sendResult (false, 'Not Allow data type: data');
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exit (1);
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}
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$data = $json['data'];
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$data = str_replace ('data:image/png;base64,', '', $data);
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$data = str_replace (' ', '+', $data);
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$image = base64_decode ($data);
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$file = sprintf ('%s.png', $_GET['id']);
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$result = file_put_contents (SAVE_DIR . $file, $image, LOCK_EX);
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setcookie ('backup', $file, time () + 60 * 60 * 24 * 30);
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function
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getParamJSON ()
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{
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$buff = file_get_contents ('php://input');
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$json = json_decode ($buff, true);
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return ($json);
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}
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function
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sendResult ($status, $data)
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{
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header ('Access-Control-Allow-Origin: *');
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header ('Access-Control-Allow-Headers: *');
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echo json_encode(["status" => $status,
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"result" => $data]);
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}
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?>
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@@ -0,0 +1,38 @@
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<?php
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require "${_SERVER['DOCUMENT_ROOT']}/database.php";
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$mysqli = set_mysql ('miteruzo_bbs');
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$mysqli -> set_charset ('utf8');
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$thread = $_GET['thread'];
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$id = $_GET['id'];
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$pass = $_GET['pass'];
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if ($result = $mysqli -> query ("
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SELECT
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pass, image
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FROM
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responses
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WHERE
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(thread_id = {$_GET['thread']}) AND (response_id = {$_GET['id']})")):
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$row = $result -> fetch_assoc ();
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if ($_GET['pass'] == $row['pass']):
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$mysqli -> query ("
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UPDATE
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responses
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SET
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deleted = 1
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WHERE
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(thread_id = $thread) AND (response_id = $id)");
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echo "消しましたぁ!!<br /><br /><img style='border: solid 1px' src='image/{$row['image']}' />";
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else:
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echo '残念.<br />削除用パスワードが違います.';
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endif;
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echo "<br /><br />5 秒後に元のページに戻ります.<br /><br /><a href='./?thread=$thread#$id'>戻らない場合はこちら</a><script>setTimeout (function () {window.location.href = `./?thread=$thread#$id`}, 5000)</script>";
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endif;
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@@ -0,0 +1,27 @@
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<?php
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require "${_SERVER['DOCUMENT_ROOT']}/database.php";
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$mysqli = set_mysql ('miteruzo_bbs');
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$mysqli -> set_charset ('utf8');
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$thread = $_GET['thread'];
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$id = $_GET['id'];
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$pass = $_GET['pass'];
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if ($result = $mysqli -> query ("
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SELECT
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pass
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FROM
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responses
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WHERE
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(thread_id = {$_GET['thread']}) AND (response_id = {$_GET['id']})")):
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$row = $result -> fetch_assoc ();
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if ($_GET['pass'] == $row['pass']):
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else:
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echo "残念.\n削除用パスワードが違います.<script>setTimeout (function () {window.location.href = `./?thread=$thread`}, 5000)</script>";
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endif;
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endif;
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After Width: | Height: | Size: 17 KiB |
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After Width: | Height: | Size: 101 KiB |
|
After Width: | Height: | Size: 134 KiB |
|
After Width: | Height: | Size: 109 KiB |
|
After Width: | Height: | Size: 18 KiB |
|
After Width: | Height: | Size: 29 KiB |
|
After Width: | Height: | Size: 22 KiB |
|
After Width: | Height: | Size: 27 KiB |
|
After Width: | Height: | Size: 172 KiB |
|
After Width: | Height: | Size: 223 KiB |
|
After Width: | Height: | Size: 195 KiB |
|
After Width: | Height: | Size: 21 KiB |
|
After Width: | Height: | Size: 21 KiB |
|
After Width: | Height: | Size: 21 KiB |
|
After Width: | Height: | Size: 21 KiB |