jasperDesignFramework/drawing.php at master · whitedodo/jasperDesignFramework · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
<?php
    $title = "Unknown Drawing";
?>
<!DOCTYPE html>
<html>
<head>
<title>Handwriting(Digital Pad)</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=0" />
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" >

<link rel="stylesheet" type="text/css" href="./css/drawing/drawingStyle.css">

<script type="text/javascript">

    var ctx, color = "#000";
    document.addEventListener( "DOMContentLoaded", function(){
    	// setup a new canvas for drawing wait for device init
        setTimeout(function(){
    	   newCanvas();
        }, 1000);

    }, false );

    // function to setup a new canvas for drawing
    function newCanvas(){
    	//define and resize canvas
        document.getElementById("content").style.height = window.innerHeight - 90;
        var canvas = '<canvas id="canvas" width="'+ (window.innerWidth) +'" height="' + (window.innerHeight - 90)+'"></canvas>';
    	document.getElementById("content").innerHTML = canvas;

        // setup canvas
    	ctx=document.getElementById("canvas").getContext("2d");
    	ctx.strokeStyle = color;
    	ctx.lineWidth = 3;

    	// setup to trigger drawing on mouse or touch
        drawTouch();
        drawPointer();
    	drawMouse();
    }


	// 연필심 키우기
	function scaleCanvas(){
		ctx.lineWidth = ctx.lineWidth + 1;
	}

	// 연필심 줄이기
    function reduceCanvas(){
    	ctx.lineWidth = ctx.lineWidth - 1;
    }

    // 저장 캔버스
    function saveCanvas(path, params, method){
		uploadEx(path, method);
    }

    // 팔렛트 색상 바꾸기
    function selectColor(el){

        for(var i=0; i < document.getElementsByClassName("palette").length;i++){
            document.getElementsByClassName("palette")[i].style.borderColor = "#777";
            document.getElementsByClassName("palette")[i].style.borderStyle = "solid";
        }
        el.style.borderColor = "#fff";
        el.style.borderStyle = "dashed";
        color = window.getComputedStyle(el).backgroundColor;
        ctx.beginPath();
        ctx.strokeStyle = color;

    }

    // prototype to	start drawing on touch using canvas moveTo and lineTo
    var drawTouch = function() {
    	var start = function(e) {
    		ctx.beginPath();
    		x = e.changedTouches[0].pageX;
    		y = e.changedTouches[0].pageY - 44;
    		ctx.moveTo(x,y);
    	};
    	var move = function(e) {
    		e.preventDefault();
    		x = e.changedTouches[0].pageX;
    		y = e.changedTouches[0].pageY - 44;
    		ctx.lineTo(x,y);
    		ctx.stroke();
    	};
        document.getElementById("canvas").addEventListener("touchstart", start, false);
    	document.getElementById("canvas").addEventListener("touchmove", move, false);
    };

    // prototype to	start drawing on pointer(microsoft ie) using canvas moveTo and lineTo
    var drawPointer = function() {
    	var start = function(e) {
            e = e.originalEvent;
    		ctx.beginPath();
    		x = e.pageX;
    		y = e.pageY - 44;
    		ctx.moveTo(x,y);
    	};
    	var move = function(e) {
    		e.preventDefault();
            e = e.originalEvent;
    		x = e.pageX;
    		y = e.pageY - 44;
    		ctx.lineTo(x,y);
    		ctx.stroke();
        };
        document.getElementById("canvas").addEventListener("MSPointerDown", start, false);
    	document.getElementById("canvas").addEventListener("MSPointerMove", move, false);
    };

    // prototype to	start drawing on mouse using canvas moveTo and lineTo
    var drawMouse = function() {
    	var clicked = 0;
    	var start = function(e) {
    		clicked = 1;
    		ctx.beginPath();
    		x = e.pageX;
    		y = e.pageY - 66;	// 66 - 보정값
    		ctx.moveTo(x,y);
    	};
    	var move = function(e) {
    		if(clicked){
    			x = e.pageX;
    			y = e.pageY - 66;	// 66 - 보정값
    			ctx.lineTo(x,y);
    			ctx.stroke();
    		}
    	};

    	var stop = function(e) {
    		clicked = 0;
    	};

        document.getElementById("canvas").addEventListener("mousedown", start, false);
    	document.getElementById("canvas").addEventListener("mousemove", move, false);
    	document.addEventListener("mouseup", stop, false);
    };

    function uploadEx(path, method) {

        var canvas = document.getElementById("canvas");
        var dataURL = canvas.toDataURL("image/png");
        document.getElementById('drawing').value = dataURL;
        var fd = new FormData(document.forms["form1"]);

        var xhr = new XMLHttpRequest();
        xhr.open(method, path, true);

        xhr.upload.onprogress = function(e) {
            if (e.lengthComputable) {
                var percentComplete = (e.loaded / e.total) * 100;
                console.log(percentComplete + '% uploaded');
                alert('Succesfully uploaded');
            }
        };

        xhr.onload = function() {};

        xhr.send(fd);
    };


    function post_to_url(path, params, method) {

        method = method || "post"; // Set method to post by default, if not specified.
        // The rest of this code assumes you are not using a library.

        // It can be made less wordy if you use one.
        var form = document.createElement("form");
        form.setAttribute("method", method);
        form.setAttribute("action", path);

        for(var key in params) {
            var hiddenField = document.createElement("input");
            hiddenField.setAttribute("type", "hidden");
            hiddenField.setAttribute("name", key);
            hiddenField.setAttribute("value", params[key]);
            form.appendChild(hiddenField);
        }

        document.body.appendChild(form);
        form.submit();

    }

</script>
<link rel="stylesheet" type="text/css" href="./css/drawing/mystyle.css">
<script src="./fonts/scripts.js"></script>
</head>

<body>
<!-- ExCanvas -->
<form name="form1" accept-charset="utf-8" action="resultOfViewer.php" method="POST">
	<input type="hidden" name="drawing" id="drawing">
    <table style="width:600px; height:600px;">
    	<tr>
    		<td style="width:200px; height:200px">

                <div id="page">
                	<div class="header">
                		<a id="new" class="navbtn" onclick="newCanvas()">새로만들기</a>
            			<a id="save" class="navbtn" onclick="saveCanvas('resultOfDrawing.php' , {'drawing':'img'}, 'POST')">저장</a>
            			<a id="scale" class="navbtn" onclick="scaleCanvas()">연필 심 키우기</a>
            			<a id="reduce" class="navbtn" onclick="reduceCanvas()">연필 심 줄이기</a>
                        <div class="title">Handwriting(Digital Pad)</div>
        			</div>
                    <div class="header_subject">
                        <div class="body_title"><?php echo $title; ?></div>
                    </div>
                    <div id="content"><p style="text-align:center">캔버스 불러오는 중...</p></div>
                    <div class="footer">
                		<div class="palette-case">
                			<div class="palette-box">
                				<div class="palette white" onclick="selectColor(this)"></div>
                			</div>
                			<div class="palette-box">
                				<div class="palette red" onclick="selectColor(this)"></div>
                			</div>
                			<div class="palette-box">
                				<div class="palette blue" onclick="selectColor(this)"></div>
                			</div>
                			<div class="palette-box">
                				<div class="palette green" onclick="selectColor(this)"></div>
                			</div>
                			<div class="palette-box">
                				<div class="palette black" onclick="selectColor(this)"></div>
                			</div>
                			<div class="palette-box">
                				<div class="palette yellow" onclick="selectColor(this)"></div>
                			</div>
                			<div style="clear:both"></div>
                		</div>
                    </div>
                </div>
    		</td>
    	</tr>
    </table>
</form>
<!-- ExCanvas 종료 -->

</body>
</html>