From 2b1dd2ffe73b648b6953f6a2c03c9c7fb7f3a70b Mon Sep 17 00:00:00 2001
From: ckcz123 <ckcz123@126.com>
Date: Mon, 29 Oct 2018 16:47:51 +0800
Subject: [PATCH] drawPaint

---
 libs/actions.js | 79 ++++++++++++-------------------------------------
 libs/core.js    |  1 +
 libs/ui.js      | 16 +++++++++-
 libs/utils.js   | 52 ++++++++++++++++++++++++++++++++
 4 files changed, 87 insertions(+), 61 deletions(-)

diff --git a/libs/actions.js b/libs/actions.js
index 5b6c1ee5..4c5fa4c7 100644
--- a/libs/actions.js
+++ b/libs/actions.js
@@ -362,10 +362,15 @@ actions.prototype.keyUp = function(keyCode, altKey) {
             }
             break;
         case 33: case 34: // PAGEUP/PAGEDOWN
-        if (core.status.heroStop) {
-            core.ui.drawMaps();
-        }
-        break;
+            if (core.status.heroStop)
+                core.ui.drawMaps();
+            break;
+        case 77: // M
+            if (core.status.heroStop) {
+                core.ui.drawPaint();
+                core.drawTip("打开画图模式");
+            }
+            break;
         case 37: // UP
             break;
         case 38: // DOWN
@@ -1924,13 +1929,16 @@ actions.prototype.clickSettings = function (x,y) {
                 core.ui.drawQuickShop();
                 break;
             case 2:
-                core.ui.drawMaps();
+                core.ui.drawPaint();
                 break;
             case 3:
+                core.ui.drawMaps();
+                break;
+            case 4:
                 core.status.event.selection=0;
                 core.ui.drawSyncSave();
                 break;
-            case 4:
+            case 5:
                 core.status.event.selection=1;
                 core.ui.drawConfirmBox("你确定要返回标题页面吗？", function () {
                     core.ui.closePanel();
@@ -1940,65 +1948,16 @@ actions.prototype.clickSettings = function (x,y) {
                     core.ui.drawSettings();
                 });
                 break;
-            case 5:
-                core.ui.drawStatistics();
-                /*
-                core.ui.drawWaiting("正在拉取统计信息，请稍后...");
-
-                var formData = new FormData();
-                formData.append('type', 'statistics');
-                formData.append('name', core.firstData.name);
-                formData.append('version', core.firstData.version);
-
-                var xhr = new XMLHttpRequest();
-                xhr.open("POST", "/games/upload.php");
-
-                xhr.onload = function(e) {
-                    if (xhr.status==200) {
-                        var response = JSON.parse(xhr.response);
-                        if (response.code<0) {
-                            core.drawText("出错啦！\n无法拉取统计信息。\n错误原因："+response.msg);
-                        }
-                        else {
-                            var text="\t[本塔统计信息]";
-                            var toAdd=false;
-                            response.data.forEach(function (t) {
-                                if (toAdd) text+="\n\n";
-                                toAdd=true;
-                                if (t.hard!='') text+=t.hard+"难度： "
-                                text+="已有"+t.people+"人次游戏，"+t.score+"人次通关。";
-                                t.info.forEach(function(ending) {
-                                    if (ending.ending!='') {
-                                        text+="\n"+ending.ending+"： 已有"+ending.score+"人次通关。";
-                                    }
-                                    if (core.isset(ending.max) && ending.max>0) {
-                                        text+="\n当前MAX为"+ending.max+"，最早由 "+(ending.username||"匿名")+" 于"+core.formatDate(new Date(1000*ending.timestamp))+"打出。";
-                                    }
-                                })
-                            })
-                            core.drawText(text);
-                        }
-                    }
-                    else {
-                        core.drawText("出错啦！\n无法拉取统计信息。\n错误原因：HTTP "+xhr.status);
-                    }
-                };
-                xhr.ontimeout = function() {
-                    core.drawText("出错啦！\n无法拉取统计信息。\n错误原因：Timeout");
-                }
-                xhr.onerror = function() {
-                    core.drawText("出错啦！\n无法拉取统计信息。\n错误原因：XHR Error");
-                }
-                xhr.send(formData);
-                */
-                break;
             case 6:
-                core.ui.drawHelp();
+                core.ui.drawStatistics();
                 break;
             case 7:
-                core.ui.drawAbout();
+                core.ui.drawHelp();
                 break;
             case 8:
+                core.ui.drawAbout();
+                break;
+            case 9:
                 core.ui.closePanel();
                 break;
         }
diff --git a/libs/core.js b/libs/core.js
index d15765ae..e47d56ce 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -81,6 +81,7 @@ function core() {
         height: 13,
         tempCanvas: null, // A temp canvas for drawing
     }
+    this.paint = {}
     this.initStatus = {
         'played': false,
         'gameOver': false,
diff --git a/libs/ui.js b/libs/ui.js
index 381536ab..3bb36e91 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -836,7 +836,7 @@ ui.prototype.drawSettings = function () {
     core.status.event.id = 'settings';
 
     this.drawChoices(null, [
-        "系统设置", "快捷商店", "浏览地图", "同步存档", "返回标题", "数据统计", "操作帮助", "关于本塔", "返回游戏"
+        "系统设置", "快捷商店", "浏览地图", "打开画板", "同步存档", "返回标题", "数据统计", "操作帮助", "关于本塔", "返回游戏"
     ]);
 }
 
@@ -2417,6 +2417,20 @@ ui.prototype.drawAbout = function () {
     return this.uidata.drawAbout();
 }
 
+////// 绘制“画图”界面 //////
+ui.prototype.drawPaint = function () {
+
+    core.lockControl();
+    core.status.event.id = 'paint';
+
+    core.clearMap('ui');
+    core.clearMap('route');
+
+    // 将已有的内容绘制到route上
+    core.utils.decodeCanvas(core.paint[core.status.floorId], 32*core.bigmap.width, 32*core.bigmap.height);
+    core.canvas.route.drawImage(core.bigmap.tempCanvas, 0, 0);
+}
+
 ////// 绘制帮助页面 //////
 ui.prototype.drawHelp = function () {
     core.drawText([
diff --git a/libs/utils.js b/libs/utils.js
index ee7a845c..f5bd1ffd 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -726,6 +726,58 @@ utils.prototype.hide = function (obj, speed, callback) {
     }, speed);
 }
 
+utils.prototype.encodeCanvas = function (ctx) {
+    var list = [];
+    var width = ctx.canvas.width, height = ctx.canvas.height;
+    ctx.mozImageSmoothingEnabled = false;
+    ctx.webkitImageSmoothingEnabled = false;
+    ctx.msImageSmoothingEnabled = false;
+    ctx.imageSmoothingEnabled = false;
+
+    var imgData = ctx.getImageData(0, 0, width, height);
+    for (var i=0;i<imgData.data.length;i+=4) {
+        list.push(Math.sign(imgData.data[i+3]));
+    }
+    // compress 01 to array
+    var prev = 0, cnt = 0, arr = [];
+    for (var i=0;i<list.length;i++) {
+        if (list[i]!=prev) {
+            arr.push(cnt);
+            prev=list[i];
+            cnt=0;
+        }
+        cnt++;
+    }
+    arr.push(cnt);
+    return arr;
+}
+
+////// 解析arr数组，并绘制到tempCanvas上 //////
+utils.prototype.decodeCanvas = function (arr, width, height) {
+    if (!core.isset(arr)) return null;
+    // to byte array
+    var curr = 0, list = [];
+    arr.forEach(function (x) {
+        for (var i=0;i<x;i++) list.push(curr);
+        curr = 1-curr;
+    })
+    // 使用tempCanvas
+    var tempCanvas = core.bigmap.tempCanvas;
+    tempCanvas.canvas.width=width;
+    tempCanvas.canvas.height=height;
+    tempCanvas.clearRect(0, 0, width, height);
+
+    var imgData = tempCanvas.getImageData(0, 0, width, height);
+    for (var i=0;i<imgData.data.length;i+=4) {
+        var index = i/4;
+        if (list[index]) {
+            imgData.data[i]=255;
+            imgData.data[i+3]=255;
+        }
+    }
+    tempCanvas.putImageData(imgData, 0, 0);
+}
+
 utils.prototype.consoleOpened = function () {
     var threshold = 160;
     var widthThreshold = window.outerWidth - window.innerWidth > threshold;