Software: Apache. PHP/5.5.15 uname -a: Windows NT SVR-DMZ 6.1 build 7600 (Windows Server 2008 R2 Enterprise Edition) i586 SYSTEM Safe-mode: OFF (not secure) C:\AmbienteBogota\aulavirtual\admin\editor\plugins\ImageManager\assets\ drwxrwxrwx | |
| Viewing file: Select action/file-type: /***********************************************************************
** Title.........: Javascript Graphics
** Version.......: 1.0
** Author........: Xiang Wei ZHUO <wei@zhuo.org>
** Filename......: wz_jsgraphics.js
** Last changed..: 31 Aug 2003
** Notes.........: Modified for Image Editor, added extra commands
**/
/* This notice must be untouched at all times.
wz_jsgraphics.js v. 2.03
The latest version is available at
http://www.walterzorn.com
or http://www.devira.com
or http://www.walterzorn.de
Copyright (c) 2002-2003 Walter Zorn. All rights reserved.
Created 3. 11. 2002 by Walter Zorn <walter@kreuzotter.de>
Last modified: 11. 6. 2003
High Performance JavaScript Graphics Library.
Provides methods
- to draw lines, rectangles, ellipses, polygons
with specifiable line thickness,
- to fill rectangles and ellipses
- to draw text.
NOTE: Operations, functions and branching have rather been optimized
to efficiency and speed than to shortness of source code.
This program is free software;
you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation;
either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License
at http://www.gnu.org/copyleft/gpl.html for more details.
*/
var jg_ihtm, jg_ie, jg_dom,
jg_n4 = (document.layers && typeof document.classes != "undefined");
function chkDHTM(x, i)
{
x = document.body || null;
jg_ie = (x && typeof x.insertAdjacentHTML != "undefined");
jg_dom = (x && !jg_ie &&
typeof x.appendChild != "undefined" &&
typeof document.createRange != "undefined" &&
typeof (i = document.createRange()).setStartBefore != "undefined" &&
typeof i.createContextualFragment != "undefined");
jg_ihtm = (!jg_ie && !jg_dom && x && typeof x.innerHTML != "undefined");
}
function pntDoc()
{
this.wnd.document.write(this.htm);
this.htm = '';
}
function pntCnvDom()
{
var x = document.createRange();
x.setStartBefore(this.cnv);
x = x.createContextualFragment(this.htm);
this.cnv.appendChild(x);
this.htm = '';
}
function pntCnvIe()
{
this.cnv.insertAdjacentHTML("BeforeEnd", this.htm);
this.htm = '';
}
function pntCnvIhtm()
{
this.cnv.innerHTML += this.htm;
this.htm = '';
}
function pntCnv()
{
this.htm = '';
}
function mkDiv(x, y, w, h)
{
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'overflow:hidden;background-color:' + this.color + ';'+
'"><\/div>';
//alert(this.htm);
}
function mkDivPrint(x, y, w, h)
{
this.htm += '<div style="position:absolute;'+
'border-left:' + w + 'px solid ' + this.color + ';'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'overflow:hidden;background-color:' + this.color + ';'+
'"><\/div>';
}
function mkLyr(x, y, w, h)
{
this.htm += '<layer '+
'left="' + x + '" '+
'top="' + y + '" '+
'width="' + w + '" '+
'height="' + h + '" '+
'bgcolor="' + this.color + '"><\/layer>\n';
}
function mkLbl(txt, x, y)
{
this.htm += '<div style="position:absolute;white-space:nowrap;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'font-family:' + this.ftFam + ';'+
'font-size:' + this.ftSz + ';'+
'color:' + this.color + ';' + this.ftSty + '">'+
txt +
'<\/div>';
}
function mkLin(x1, y1, x2, y2)
{
if (x1 > x2)
{
var _x2 = x2;
var _y2 = y2;
x2 = x1;
y2 = y1;
x1 = _x2;
y1 = _y2;
}
var dx = x2-x1, dy = Math.abs(y2-y1),
x = x1, y = y1,
yIncr = (y1 > y2)? -1 : 1;
if (dx >= dy)
{
var pr = dy<<1,
pru = pr - (dx<<1),
p = pr-dx,
ox = x;
while ((dx--) > 0)
{
++x;
if (p > 0)
{
this.mkDiv(ox, y, x-ox, 1);
y += yIncr;
p += pru;
ox = x;
}
else p += pr;
}
this.mkDiv(ox, y, x2-ox+1, 1);
}
else
{
var pr = dx<<1,
pru = pr - (dy<<1),
p = pr-dy,
oy = y;
if (y2 <= y1)
{
while ((dy--) > 0)
{
if (p > 0)
{
this.mkDiv(x++, y, 1, oy-y+1);
y += yIncr;
p += pru;
oy = y;
}
else
{
y += yIncr;
p += pr;
}
}
this.mkDiv(x2, y2, 1, oy-y2+1);
}
else
{
while ((dy--) > 0)
{
y += yIncr;
if (p > 0)
{
this.mkDiv(x++, oy, 1, y-oy);
p += pru;
oy = y;
}
else p += pr;
}
this.mkDiv(x2, oy, 1, y2-oy+1);
}
}
}
function mkLin2D(x1, y1, x2, y2)
{
if (x1 > x2)
{
var _x2 = x2;
var _y2 = y2;
x2 = x1;
y2 = y1;
x1 = _x2;
y1 = _y2;
}
var dx = x2-x1, dy = Math.abs(y2-y1),
x = x1, y = y1,
yIncr = (y1 > y2)? -1 : 1;
var s = this.stroke;
if (dx >= dy)
{
if (s-0x3 > 0)
{
var _s = (s*dx*Math.sqrt(1+dy*dy/(dx*dx))-dx-(s>>1)*dy) / dx;
_s = (!(s-0x4)? Math.ceil(_s) : Math.round(_s)) + 1;
}
else var _s = s;
var ad = Math.ceil(s/2);
var pr = dy<<1,
pru = pr - (dx<<1),
p = pr-dx,
ox = x;
while ((dx--) > 0)
{
++x;
if (p > 0)
{
this.mkDiv(ox, y, x-ox+ad, _s);
y += yIncr;
p += pru;
ox = x;
}
else p += pr;
}
this.mkDiv(ox, y, x2-ox+ad+1, _s);
}
else
{
if (s-0x3 > 0)
{
var _s = (s*dy*Math.sqrt(1+dx*dx/(dy*dy))-(s>>1)*dx-dy) / dy;
_s = (!(s-0x4)? Math.ceil(_s) : Math.round(_s)) + 1;
}
else var _s = s;
var ad = Math.round(s/2);
var pr = dx<<1,
pru = pr - (dy<<1),
p = pr-dy,
oy = y;
if (y2 <= y1)
{
++ad;
while ((dy--) > 0)
{
if (p > 0)
{
this.mkDiv(x++, y, _s, oy-y+ad);
y += yIncr;
p += pru;
oy = y;
}
else
{
y += yIncr;
p += pr;
}
}
this.mkDiv(x2, y2, _s, oy-y2+ad);
}
else
{
while ((dy--) > 0)
{
y += yIncr;
if (p > 0)
{
this.mkDiv(x++, oy, _s, y-oy+ad);
p += pru;
oy = y;
}
else p += pr;
}
this.mkDiv(x2, oy, _s, y2-oy+ad+1);
}
}
}
function mkLinDott(x1, y1, x2, y2)
{
if (x1 > x2)
{
var _x2 = x2;
var _y2 = y2;
x2 = x1;
y2 = y1;
x1 = _x2;
y1 = _y2;
}
var dx = x2-x1, dy = Math.abs(y2-y1),
x = x1, y = y1,
yIncr = (y1 > y2)? -1 : 1,
drw = true;
if (dx >= dy)
{
var pr = dy<<1,
pru = pr - (dx<<1),
p = pr-dx;
while ((dx--) > 0)
{
if (drw) this.mkDiv(x, y, 1, 1);
drw = !drw;
if (p > 0)
{
y += yIncr;
p += pru;
}
else p += pr;
++x;
}
if (drw) this.mkDiv(x, y, 1, 1);
}
else
{
var pr = dx<<1,
pru = pr - (dy<<1),
p = pr-dy;
while ((dy--) > 0)
{
if (drw) this.mkDiv(x, y, 1, 1);
drw = !drw;
y += yIncr;
if (p > 0)
{
++x;
p += pru;
}
else p += pr;
}
if (drw) this.mkDiv(x, y, 1, 1);
}
}
function mkOv(left, top, width, height)
{
var a = width>>1, b = height>>1,
wod = width&1, hod = (height&1)+1,
cx = left+a, cy = top+b,
x = 0, y = b,
ox = 0, oy = b,
aa = (a*a)<<1, bb = (b*b)<<1,
st = (aa>>1)*(1-(b<<1)) + bb,
tt = (bb>>1) - aa*((b<<1)-1),
w, h;
while (y > 0)
{
if (st < 0)
{
st += bb*((x<<1)+0x3);
tt += (bb<<1)*(++x);
}
else if (tt < 0)
{
st += bb*((x<<1)+0x3) - (aa<<1)*(y-1);
tt += (bb<<1)*(++x) - aa*(((y--)<<1)-0x3);
w = x-ox;
h = oy-y;
if (w&0x2 && h&0x2)
{
this.mkOvQds(cx, cy, -x+0x2, ox+wod, -oy, oy-1+hod, 1, 1);
this.mkOvQds(cx, cy, -x+1, x-1+wod, -y-1, y+hod, 1, 1);
}
else this.mkOvQds(cx, cy, -x+1, ox+wod, -oy, oy-h+hod, w, h);
ox = x;
oy = y;
}
else
{
tt -= aa*((y<<1)-0x3);
st -= (aa<<1)*(--y);
}
}
this.mkDiv(cx-a, cy-oy, a-ox+1, (oy<<1)+hod);
this.mkDiv(cx+ox+wod, cy-oy, a-ox+1, (oy<<1)+hod);
}
function mkOv2D(left, top, width, height)
{
var s = this.stroke;
width += s-1;
height += s-1;
var a = width>>1, b = height>>1,
wod = width&1, hod = (height&1)+1,
cx = left+a, cy = top+b,
x = 0, y = b,
aa = (a*a)<<1, bb = (b*b)<<1,
st = (aa>>1)*(1-(b<<1)) + bb,
tt = (bb>>1) - aa*((b<<1)-1);
if (s-0x4 < 0 && (!(s-0x2) || width-0x33 > 0 && height-0x33 > 0))
{
var ox = 0, oy = b,
w, h,
pxl, pxr, pxt, pxb, pxw;
while (y > 0)
{
if (st < 0)
{
st += bb*((x<<1)+0x3);
tt += (bb<<1)*(++x);
}
else if (tt < 0)
{
st += bb*((x<<1)+0x3) - (aa<<1)*(y-1);
tt += (bb<<1)*(++x) - aa*(((y--)<<1)-0x3);
w = x-ox;
h = oy-y;
if (w-1)
{
pxw = w+1+(s&1);
h = s;
}
else if (h-1)
{
pxw = s;
h += 1+(s&1);
}
else pxw = h = s;
this.mkOvQds(cx, cy, -x+1, ox-pxw+w+wod, -oy, -h+oy+hod, pxw, h);
ox = x;
oy = y;
}
else
{
tt -= aa*((y<<1)-0x3);
st -= (aa<<1)*(--y);
}
}
this.mkDiv(cx-a, cy-oy, s, (oy<<1)+hod);
this.mkDiv(cx+a+wod-s+1, cy-oy, s, (oy<<1)+hod);
}
else
{
var _a = (width-((s-1)<<1))>>1,
_b = (height-((s-1)<<1))>>1,
_x = 0, _y = _b,
_aa = (_a*_a)<<1, _bb = (_b*_b)<<1,
_st = (_aa>>1)*(1-(_b<<1)) + _bb,
_tt = (_bb>>1) - _aa*((_b<<1)-1),
pxl = new Array(),
pxt = new Array(),
_pxb = new Array();
pxl[0] = 0;
pxt[0] = b;
_pxb[0] = _b-1;
while (y > 0)
{
if (st < 0)
{
st += bb*((x<<1)+0x3);
tt += (bb<<1)*(++x);
pxl[pxl.length] = x;
pxt[pxt.length] = y;
}
else if (tt < 0)
{
st += bb*((x<<1)+0x3) - (aa<<1)*(y-1);
tt += (bb<<1)*(++x) - aa*(((y--)<<1)-0x3);
pxl[pxl.length] = x;
pxt[pxt.length] = y;
}
else
{
tt -= aa*((y<<1)-0x3);
st -= (aa<<1)*(--y);
}
if (_y > 0)
{
if (_st < 0)
{
_st += _bb*((_x<<1)+0x3);
_tt += (_bb<<1)*(++_x);
_pxb[_pxb.length] = _y-1;
}
else if (_tt < 0)
{
_st += _bb*((_x<<1)+0x3) - (_aa<<1)*(_y-1);
_tt += (_bb<<1)*(++_x) - _aa*(((_y--)<<1)-0x3);
_pxb[_pxb.length] = _y-1;
}
else
{
_tt -= _aa*((_y<<1)-0x3);
_st -= (_aa<<1)*(--_y);
_pxb[_pxb.length-1]--;
}
}
}
var ox = 0, oy = b,
_oy = _pxb[0],
l = pxl.length,
w, h;
for (var i = 0; i < l; i++)
{
if (typeof _pxb[i] != "undefined")
{
if (_pxb[i] < _oy || pxt[i] < oy)
{
x = pxl[i];
this.mkOvQds(cx, cy, -x+1, ox+wod, -oy, _oy+hod, x-ox, oy-_oy);
ox = x;
oy = pxt[i];
_oy = _pxb[i];
}
}
else
{
x = pxl[i];
this.mkDiv(cx-x+1, cy-oy, 1, (oy<<1)+hod);
this.mkDiv(cx+ox+wod, cy-oy, 1, (oy<<1)+hod);
ox = x;
oy = pxt[i];
}
}
this.mkDiv(cx-a, cy-oy, 1, (oy<<1)+hod);
this.mkDiv(cx+ox+wod, cy-oy, 1, (oy<<1)+hod);
}
}
function mkOvDott(left, top, width, height)
{
var a = width>>1, b = height>>1,
wod = width&1, hod = height&1,
cx = left+a, cy = top+b,
x = 0, y = b,
aa2 = (a*a)<<1, aa4 = aa2<<1, bb = (b*b)<<1,
st = (aa2>>1)*(1-(b<<1)) + bb,
tt = (bb>>1) - aa2*((b<<1)-1),
drw = true;
while (y > 0)
{
if (st < 0)
{
st += bb*((x<<1)+0x3);
tt += (bb<<1)*(++x);
}
else if (tt < 0)
{
st += bb*((x<<1)+0x3) - aa4*(y-1);
tt += (bb<<1)*(++x) - aa2*(((y--)<<1)-0x3);
}
else
{
tt -= aa2*((y<<1)-0x3);
st -= aa4*(--y);
}
if (drw) this.mkOvQds(cx, cy, -x, x+wod, -y, y+hod, 1, 1);
drw = !drw;
}
}
function mkRect(x, y, w, h)
{
var s = this.stroke;
this.mkDiv(x, y, w, s);
this.mkDiv(x+w, y, s, h);
this.mkDiv(x, y+h, w+s, s);
this.mkDiv(x, y+s, s, h-s);
}
function mkRectDott(x, y, w, h)
{
this.drawLine(x, y, x+w, y);
this.drawLine(x+w, y, x+w, y+h);
this.drawLine(x, y+h, x+w, y+h);
this.drawLine(x, y, x, y+h);
}
function jsgFont()
{
this.PLAIN = 'font-weight:normal;';
this.BOLD = 'font-weight:bold;';
this.ITALIC = 'font-style:italic;';
this.ITALIC_BOLD = this.ITALIC + this.BOLD;
this.BOLD_ITALIC = this.ITALIC_BOLD;
}
var Font = new jsgFont();
function jsgStroke()
{
this.DOTTED = -1;
}
var Stroke = new jsgStroke();
function jsGraphics(id, wnd)
{
this.setColor = new Function('arg', 'this.color = arg;');
this.getColor = new Function('return this.color');
this.setStroke = function(x)
{
this.stroke = x;
if (!(x+1))
{
this.drawLine = mkLinDott;
this.mkOv = mkOvDott;
this.drawRect = mkRectDott;
}
else if (x-1 > 0)
{
this.drawLine = mkLin2D;
this.mkOv = mkOv2D;
this.drawRect = mkRect;
}
else
{
this.drawLine = mkLin;
this.mkOv = mkOv;
this.drawRect = mkRect;
}
};
this.setPrintable = function(arg)
{
this.printable = arg;
this.mkDiv = jg_n4? mkLyr : arg? mkDivPrint : mkDiv;
};
this.setFont = function(fam, sz, sty)
{
this.ftFam = fam;
this.ftSz = sz;
this.ftSty = sty || Font.PLAIN;
};
this.drawPolyline = this.drawPolyLine = function(x, y, s)
{
var i = x.length-1; while (i >= 0)
this.drawLine(x[i], y[i], x[--i], y[i]);
};
this.fillRect = function(x, y, w, h)
{
this.mkDiv(x, y, w, h);
};
this.fillRectPattern = function(x, y, w, h, url)
{
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'overflow:hidden;'+
//'background-color:' + this.color + ';'+
"background-image: url('" + url + "');"+
"layer-background-image: url('" + url + "');"+
'z-index:100;"><\/div>';
//alert(this.htm);
}
this.drawHandle = function(x, y, w, h, cursor)
{
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'padding: 2px;overflow:hidden;'+
"cursor: '" + cursor + "';"+
'" class="handleBox" id="' + cursor + '" ><\/div>';
}
this.drawHandleBox = function(x, y, w, h, cursor)
{
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+(w+2)+'px,'+(h+2)+'px,0);'+
'overflow:hidden; border: solid 1px '+ this.color+';'+
"cursor: '" + cursor + "';"+
'" class="handleBox" id="' + cursor + '" ><\/div>';
}
this.drawPolygon = function(x, y)
{
this.drawPolyline(x, y);
this.drawLine(x[x.length-1], y[x.length-1], x[0], y[0]);
};
this.drawEllipse = this.drawOval = function(x, y, w, h)
{
this.mkOv(x, y, w, h);
};
this.fillEllipse = this.fillOval = function(left, top, w, h)
{
var a = (w -= 1)>>1, b = (h -= 1)>>1,
wod = (w&1)+1, hod = (h&1)+1,
cx = left+a, cy = top+b,
x = 0, y = b,
ox = 0, oy = b,
aa2 = (a*a)<<1, aa4 = aa2<<1, bb = (b*b)<<1,
st = (aa2>>1)*(1-(b<<1)) + bb,
tt = (bb>>1) - aa2*((b<<1)-1),
pxl, dw, dh;
if (w+1) while (y > 0)
{
if (st < 0)
{
st += bb*((x<<1)+0x3);
tt += (bb<<1)*(++x);
}
else if (tt < 0)
{
st += bb*((x<<1)+0x3) - aa4*(y-1);
pxl = cx-x;
dw = (x<<1)+wod;
tt += (bb<<1)*(++x) - aa2*(((y--)<<1)-0x3);
dh = oy-y;
this.mkDiv(pxl, cy-oy, dw, dh);
this.mkDiv(pxl, cy+oy-dh+hod, dw, dh);
ox = x;
oy = y;
}
else
{
tt -= aa2*((y<<1)-0x3);
st -= aa4*(--y);
}
}
this.mkDiv(cx-a, cy-oy, w+1, (oy<<1)+hod);
};
this.drawString = mkLbl;
this.clear = function()
{
this.htm = "";
if (this.cnv) this.cnv.innerHTML = this.defhtm;
};
this.mkOvQds = function(cx, cy, xl, xr, yt, yb, w, h)
{
this.mkDiv(xr+cx, yt+cy, w, h);
this.mkDiv(xr+cx, yb+cy, w, h);
this.mkDiv(xl+cx, yb+cy, w, h);
this.mkDiv(xl+cx, yt+cy, w, h);
};
this.setStroke(1);
this.setPrintable(false);
this.setFont('verdana,geneva,helvetica,sans-serif', String.fromCharCode(0x31, 0x32, 0x70, 0x78), Font.PLAIN);
this.color = '#000000';
this.htm = '';
this.wnd = wnd || window;
if (!(jg_ie || jg_dom || jg_ihtm)) chkDHTM();
if (typeof id != 'string' || !id) this.paint = pntDoc;
else
{
this.cnv = document.all? (this.wnd.document.all[id] || null)
: document.getElementById? (this.wnd.document.getElementById(id) || null)
: null;
this.defhtm = (this.cnv && this.cnv.innerHTML)? this.cnv.innerHTML : '';
this.paint = jg_dom? pntCnvDom : jg_ie? pntCnvIe : jg_ihtm? pntCnvIhtm : pntCnv;
}
}
|
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