diff options
Diffstat (limited to 'lib/wz_jsgraphics.js')
| -rw-r--r-- | lib/wz_jsgraphics.js | 1107 |
1 files changed, 0 insertions, 1107 deletions
diff --git a/lib/wz_jsgraphics.js b/lib/wz_jsgraphics.js deleted file mode 100644 index f4ba47b53..000000000 --- a/lib/wz_jsgraphics.js +++ /dev/null @@ -1,1107 +0,0 @@ -/* This notice must be untouched at all times. - -wz_jsgraphics.js v. 3.03 -The latest version is available at -http://www.walterzorn.com -or http://www.devira.com -or http://www.walterzorn.de - -Copyright (c) 2002-2004 Walter Zorn. All rights reserved. -Created 3. 11. 2002 by Walter Zorn (Web: http://www.walterzorn.com ) -Last modified: 28. 1. 2008 - -Performance optimizations for Internet Explorer -by Thomas Frank and John Holdsworth. -fillPolygon method implemented by Matthieu Haller. - -High Performance JavaScript Graphics Library. -Provides methods -- to draw lines, rectangles, ellipses, polygons - with specifiable line thickness, -- to fill rectangles, polygons, ellipses and arcs -- to draw text. -NOTE: Operations, functions and branching have rather been optimized -to efficiency and speed than to shortness of source code. - -LICENSE: LGPL - -This library is free software; you can redistribute it and/or -modify it under the terms of the GNU Lesser General Public -License (LGPL) as published by the Free Software Foundation; either -version 2.1 of the License, or (at your option) any later version. - -This library 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 -Lesser General Public License for more details. - -You should have received a copy of the GNU Lesser General Public -License along with this library; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA, -or see http://www.gnu.org/copyleft/lesser.html -*/ - - -var jg_ok, jg_ie, jg_fast, jg_dom, jg_moz; - - -function _chkDHTM(x, i) -{ - x = document.body || null; - jg_ie = x && typeof x.insertAdjacentHTML != "undefined" && document.createElement; - jg_dom = (x && !jg_ie && - typeof x.appendChild != "undefined" && - typeof document.createRange != "undefined" && - typeof (i = document.createRange()).setStartBefore != "undefined" && - typeof i.createContextualFragment != "undefined"); - jg_fast = jg_ie && document.all && !window.opera; - jg_moz = jg_dom && typeof x.style.MozOpacity != "undefined"; - jg_ok = !!(jg_ie || jg_dom); -} - -function _pntCnvDom() -{ - var x = this.wnd.document.createRange(); - x.setStartBefore(this.cnv); - x = x.createContextualFragment(jg_fast? this._htmRpc() : this.htm); - if(this.cnv) this.cnv.appendChild(x); - this.htm = ""; -} - -function _pntCnvIe() -{ - if(this.cnv) this.cnv.insertAdjacentHTML("BeforeEnd", jg_fast? this._htmRpc() : this.htm); - this.htm = ""; -} - -function _pntDoc() -{ - this.wnd.document.write(jg_fast? this._htmRpc() : this.htm); - this.htm = ''; -} - -function _pntN() -{ - ; -} - -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);'+ - 'background-color:' + this.color + - (!jg_moz? ';overflow:hidden' : '')+ - ';"><\/div>'; -} - -function _mkDivIe(x, y, w, h) -{ - this.htm += '%%'+this.color+';'+x+';'+y+';'+w+';'+h+';'; -} - -function _mkDivPrt(x, y, w, h) -{ - this.htm += '<div style="position:absolute;'+ - 'border-left:' + w + 'px solid ' + this.color + ';'+ - 'left:' + x + 'px;'+ - 'top:' + y + 'px;'+ - 'width:0px;'+ - 'height:' + h + 'px;'+ - 'clip:rect(0,'+w+'px,'+h+'px,0);'+ - 'background-color:' + this.color + - (!jg_moz? ';overflow:hidden' : '')+ - ';"><\/div>'; -} - -var _regex = /%%([^;]+);([^;]+);([^;]+);([^;]+);([^;]+);/g; -function _htmRpc() -{ - return this.htm.replace( - _regex, - '<div style="overflow:hidden;position:absolute;background-color:'+ - '$1;left:$2;top:$3;width:$4;height:$5"></div>\n'); -} - -function _htmPrtRpc() -{ - return this.htm.replace( - _regex, - '<div style="overflow:hidden;position:absolute;background-color:'+ - '$1;left:$2;top:$3;width:$4;height:$5;border-left:$4px solid $1"></div>\n'); -} - -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) - {--dx; - ++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) - {--dy; - 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) - {--dy; - 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(dx > 0 && s-3 > 0) - { - var _s = (s*dx*Math.sqrt(1+dy*dy/(dx*dx))-dx-(s>>1)*dy) / dx; - _s = (!(s-4)? 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) - {--dx; - ++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-3 > 0) - { - var _s = (s*dy*Math.sqrt(1+dx*dx/(dy*dy))-(s>>1)*dx-dy) / dy; - _s = (!(s-4)? 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) - {--dy; - 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) - {--dy; - 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) - {--dx; - if(drw) this._mkDiv(x, y, 1, 1); - drw = !drw; - if(p > 0) - { - y += yIncr; - p += pru; - } - else p += pr; - ++x; - } - } - else - { - var pr = dx<<1, - pru = pr - (dy<<1), - p = pr-dy; - while(dy > 0) - {--dy; - 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, - cx = left+a, cy = top+b, - x = 0, y = b, - ox = 0, oy = b, - aa2 = (a*a)<<1, aa4 = aa2<<1, bb2 = (b*b)<<1, bb4 = bb2<<1, - st = (aa2>>1)*(1-(b<<1)) + bb2, - tt = (bb2>>1) - aa2*((b<<1)-1), - w, h; - while(y > 0) - { - if(st < 0) - { - st += bb2*((x<<1)+3); - tt += bb4*(++x); - } - else if(tt < 0) - { - st += bb2*((x<<1)+3) - aa4*(y-1); - tt += bb4*(++x) - aa2*(((y--)<<1)-3); - w = x-ox; - h = oy-y; - if((w&2) && (h&2)) - { - this._mkOvQds(cx, cy, x-2, y+2, 1, 1, wod, hod); - this._mkOvQds(cx, cy, x-1, y+1, 1, 1, wod, hod); - } - else this._mkOvQds(cx, cy, x-1, oy, w, h, wod, hod); - ox = x; - oy = y; - } - else - { - tt -= aa2*((y<<1)-3); - st -= aa4*(--y); - } - } - w = a-ox+1; - h = (oy<<1)+hod; - y = cy-oy; - this._mkDiv(cx-a, y, w, h); - this._mkDiv(cx+ox+wod-1, y, w, h); -} - -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, - cx = left+a, cy = top+b, - x = 0, y = b, - aa2 = (a*a)<<1, aa4 = aa2<<1, bb2 = (b*b)<<1, bb4 = bb2<<1, - st = (aa2>>1)*(1-(b<<1)) + bb2, - tt = (bb2>>1) - aa2*((b<<1)-1); - - if(s-4 < 0 && (!(s-2) || width-51 > 0 && height-51 > 0)) - { - var ox = 0, oy = b, - w, h, - pxw; - while(y > 0) - { - if(st < 0) - { - st += bb2*((x<<1)+3); - tt += bb4*(++x); - } - else if(tt < 0) - { - st += bb2*((x<<1)+3) - aa4*(y-1); - tt += bb4*(++x) - aa2*(((y--)<<1)-3); - 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, oy, pxw, h, wod, hod); - ox = x; - oy = y; - } - else - { - tt -= aa2*((y<<1)-3); - st -= aa4*(--y); - } - } - this._mkDiv(cx-a, cy-oy, s, (oy<<1)+hod); - this._mkDiv(cx+a+wod-s, cy-oy, s, (oy<<1)+hod); - } - - else - { - var _a = (width-(s<<1))>>1, - _b = (height-(s<<1))>>1, - _x = 0, _y = _b, - _aa2 = (_a*_a)<<1, _aa4 = _aa2<<1, _bb2 = (_b*_b)<<1, _bb4 = _bb2<<1, - _st = (_aa2>>1)*(1-(_b<<1)) + _bb2, - _tt = (_bb2>>1) - _aa2*((_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) - { - pxl[pxl.length] = x; - pxt[pxt.length] = y; - st += bb2*((x<<1)+3); - tt += bb4*(++x); - } - else if(tt < 0) - { - pxl[pxl.length] = x; - st += bb2*((x<<1)+3) - aa4*(y-1); - tt += bb4*(++x) - aa2*(((y--)<<1)-3); - pxt[pxt.length] = y; - } - else - { - tt -= aa2*((y<<1)-3); - st -= aa4*(--y); - } - - if(_y > 0) - { - if(_st < 0) - { - _st += _bb2*((_x<<1)+3); - _tt += _bb4*(++_x); - _pxb[_pxb.length] = _y-1; - } - else if(_tt < 0) - { - _st += _bb2*((_x<<1)+3) - _aa4*(_y-1); - _tt += _bb4*(++_x) - _aa2*(((_y--)<<1)-3); - _pxb[_pxb.length] = _y-1; - } - else - { - _tt -= _aa2*((_y<<1)-3); - _st -= _aa4*(--_y); - _pxb[_pxb.length-1]--; - } - } - } - - var ox = -wod, 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, oy, x-ox, oy-_oy, wod, hod); - ox = x; - oy = pxt[i]; - _oy = _pxb[i]; - } - } - else - { - x = pxl[i]; - this._mkDiv(cx-x, 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, hodu = hod^1, - cx = left+a, cy = top+b, - x = 0, y = b, - aa2 = (a*a)<<1, aa4 = aa2<<1, bb2 = (b*b)<<1, bb4 = bb2<<1, - st = (aa2>>1)*(1-(b<<1)) + bb2, - tt = (bb2>>1) - aa2*((b<<1)-1), - drw = true; - while(y > 0) - { - if(st < 0) - { - st += bb2*((x<<1)+3); - tt += bb4*(++x); - } - else if(tt < 0) - { - st += bb2*((x<<1)+3) - aa4*(y-1); - tt += bb4*(++x) - aa2*(((y--)<<1)-3); - } - else - { - tt -= aa2*((y<<1)-3); - st -= aa4*(--y); - } - if(drw && y >= hodu) this._mkOvQds(cx, cy, x, y, 1, 1, wod, hod); - 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(cnv, wnd) -{ - this.setColor = function(x) - { - this.color = x.toLowerCase(); - }; - - 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; - if(jg_fast) - { - this._mkDiv = _mkDivIe; - this._htmRpc = arg? _htmPrtRpc : _htmRpc; - } - else this._mkDiv = arg? _mkDivPrt : _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) - { - for (var i=x.length - 1; i;) - {--i; - this.drawLine(x[i], y[i], x[i+1], y[i+1]); - } - }; - - this.fillRect = function(x, y, w, h) - { - this._mkDiv(x, y, w, h); - }; - - 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, b = h>>1, - wod = w&1, hod = h&1, - cx = left+a, cy = top+b, - x = 0, y = b, oy = b, - aa2 = (a*a)<<1, aa4 = aa2<<1, bb2 = (b*b)<<1, bb4 = bb2<<1, - st = (aa2>>1)*(1-(b<<1)) + bb2, - tt = (bb2>>1) - aa2*((b<<1)-1), - xl, dw, dh; - if(w) while(y > 0) - { - if(st < 0) - { - st += bb2*((x<<1)+3); - tt += bb4*(++x); - } - else if(tt < 0) - { - st += bb2*((x<<1)+3) - aa4*(y-1); - xl = cx-x; - dw = (x<<1)+wod; - tt += bb4*(++x) - aa2*(((y--)<<1)-3); - dh = oy-y; - this._mkDiv(xl, cy-oy, dw, dh); - this._mkDiv(xl, cy+y+hod, dw, dh); - oy = y; - } - else - { - tt -= aa2*((y<<1)-3); - st -= aa4*(--y); - } - } - this._mkDiv(cx-a, cy-oy, w, (oy<<1)+hod); - }; - - this.fillArc = function(iL, iT, iW, iH, fAngA, fAngZ) - { - var a = iW>>1, b = iH>>1, - iOdds = (iW&1) | ((iH&1) << 16), - cx = iL+a, cy = iT+b, - x = 0, y = b, ox = x, oy = y, - aa2 = (a*a)<<1, aa4 = aa2<<1, bb2 = (b*b)<<1, bb4 = bb2<<1, - st = (aa2>>1)*(1-(b<<1)) + bb2, - tt = (bb2>>1) - aa2*((b<<1)-1), - // Vars for radial boundary lines - xEndA, yEndA, xEndZ, yEndZ, - iSects = (1 << (Math.floor((fAngA %= 360.0)/180.0) << 3)) - | (2 << (Math.floor((fAngZ %= 360.0)/180.0) << 3)) - | ((fAngA >= fAngZ) << 16), - aBndA = new Array(b+1), aBndZ = new Array(b+1); - - // Set up radial boundary lines - fAngA *= Math.PI/180.0; - fAngZ *= Math.PI/180.0; - xEndA = cx+Math.round(a*Math.cos(fAngA)); - yEndA = cy+Math.round(-b*Math.sin(fAngA)); - _mkLinVirt(aBndA, cx, cy, xEndA, yEndA); - xEndZ = cx+Math.round(a*Math.cos(fAngZ)); - yEndZ = cy+Math.round(-b*Math.sin(fAngZ)); - _mkLinVirt(aBndZ, cx, cy, xEndZ, yEndZ); - - while(y > 0) - { - if(st < 0) // Advance x - { - st += bb2*((x<<1)+3); - tt += bb4*(++x); - } - else if(tt < 0) // Advance x and y - { - st += bb2*((x<<1)+3) - aa4*(y-1); - ox = x; - tt += bb4*(++x) - aa2*(((y--)<<1)-3); - this._mkArcDiv(ox, y, oy, cx, cy, iOdds, aBndA, aBndZ, iSects); - oy = y; - } - else // Advance y - { - tt -= aa2*((y<<1)-3); - st -= aa4*(--y); - if(y && (aBndA[y] != aBndA[y-1] || aBndZ[y] != aBndZ[y-1])) - { - this._mkArcDiv(x, y, oy, cx, cy, iOdds, aBndA, aBndZ, iSects); - ox = x; - oy = y; - } - } - } - this._mkArcDiv(x, 0, oy, cx, cy, iOdds, aBndA, aBndZ, iSects); - if(iOdds >> 16) // Odd height - { - if(iSects >> 16) // Start-angle > end-angle - { - var xl = (yEndA <= cy || yEndZ > cy)? (cx - x) : cx; - this._mkDiv(xl, cy, x + cx - xl + (iOdds & 0xffff), 1); - } - else if((iSects & 0x01) && yEndZ > cy) - this._mkDiv(cx - x, cy, x, 1); - } - }; - -/* fillPolygon method, implemented by Matthieu Haller. -This javascript function is an adaptation of the gdImageFilledPolygon for Walter Zorn lib. -C source of GD 1.8.4 found at http://www.boutell.com/gd/ - -THANKS to Kirsten Schulz for the polygon fixes! - -The intersection finding technique of this code could be improved -by remembering the previous intertersection, and by using the slope. -That could help to adjust intersections to produce a nice -interior_extrema. */ - this.fillPolygon = function(array_x, array_y) - { - var i; - var y; - var miny, maxy; - var x1, y1; - var x2, y2; - var ind1, ind2; - var ints; - - var n = array_x.length; - if(!n) return; - - miny = array_y[0]; - maxy = array_y[0]; - for(i = 1; i < n; i++) - { - if(array_y[i] < miny) - miny = array_y[i]; - - if(array_y[i] > maxy) - maxy = array_y[i]; - } - for(y = miny; y <= maxy; y++) - { - var polyInts = new Array(); - ints = 0; - for(i = 0; i < n; i++) - { - if(!i) - { - ind1 = n-1; - ind2 = 0; - } - else - { - ind1 = i-1; - ind2 = i; - } - y1 = array_y[ind1]; - y2 = array_y[ind2]; - if(y1 < y2) - { - x1 = array_x[ind1]; - x2 = array_x[ind2]; - } - else if(y1 > y2) - { - y2 = array_y[ind1]; - y1 = array_y[ind2]; - x2 = array_x[ind1]; - x1 = array_x[ind2]; - } - else continue; - - // Modified 11. 2. 2004 Walter Zorn - if((y >= y1) && (y < y2)) - polyInts[ints++] = Math.round((y-y1) * (x2-x1) / (y2-y1) + x1); - - else if((y == maxy) && (y > y1) && (y <= y2)) - polyInts[ints++] = Math.round((y-y1) * (x2-x1) / (y2-y1) + x1); - } - polyInts.sort(_CompInt); - for(i = 0; i < ints; i+=2) - this._mkDiv(polyInts[i], y, polyInts[i+1]-polyInts[i]+1, 1); - } - }; - - this.drawString = function(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>'; - }; - -/* drawStringRect() added by Rick Blommers. -Allows to specify the size of the text rectangle and to align the -text both horizontally (e.g. right) and vertically within that rectangle */ - this.drawStringRect = function(txt, x, y, width, halign) - { - this.htm += '<div style="position:absolute;overflow:hidden;'+ - 'left:' + x + 'px;'+ - 'top:' + y + 'px;'+ - 'width:'+width +'px;'+ - 'text-align:'+halign+';'+ - 'font-family:' + this.ftFam + ';'+ - 'font-size:' + this.ftSz + ';'+ - 'color:' + this.color + ';' + this.ftSty + '">'+ - txt + - '<\/div>'; - }; - - this.drawImage = function(imgSrc, x, y, w, h, a) - { - this.htm += '<div style="position:absolute;'+ - 'left:' + x + 'px;'+ - 'top:' + y + 'px;'+ - // w (width) and h (height) arguments are now optional. - // Added by Mahmut Keygubatli, 14.1.2008 - (w? ('width:' + w + 'px;') : '') + - (h? ('height:' + h + 'px;'):'')+'">'+ - '<img src="' + imgSrc +'"'+ (w ? (' width="' + w + '"'):'')+ (h ? (' height="' + h + '"'):'') + (a? (' '+a) : '') + '>'+ - '<\/div>'; - }; - - this.clear = function() - { - this.htm = ""; - if(this.cnv) this.cnv.innerHTML = ""; - }; - - this._mkOvQds = function(cx, cy, x, y, w, h, wod, hod) - { - var xl = cx - x, xr = cx + x + wod - w, yt = cy - y, yb = cy + y + hod - h; - if(xr > xl+w) - { - this._mkDiv(xr, yt, w, h); - this._mkDiv(xr, yb, w, h); - } - else - w = xr - xl + w; - this._mkDiv(xl, yt, w, h); - this._mkDiv(xl, yb, w, h); - }; - - this._mkArcDiv = function(x, y, oy, cx, cy, iOdds, aBndA, aBndZ, iSects) - { - var xrDef = cx + x + (iOdds & 0xffff), y2, h = oy - y, xl, xr, w; - - if(!h) h = 1; - x = cx - x; - - if(iSects & 0xff0000) // Start-angle > end-angle - { - y2 = cy - y - h; - if(iSects & 0x00ff) - { - if(iSects & 0x02) - { - xl = Math.max(x, aBndZ[y]); - w = xrDef - xl; - if(w > 0) this._mkDiv(xl, y2, w, h); - } - if(iSects & 0x01) - { - xr = Math.min(xrDef, aBndA[y]); - w = xr - x; - if(w > 0) this._mkDiv(x, y2, w, h); - } - } - else - this._mkDiv(x, y2, xrDef - x, h); - y2 = cy + y + (iOdds >> 16); - if(iSects & 0xff00) - { - if(iSects & 0x0100) - { - xl = Math.max(x, aBndA[y]); - w = xrDef - xl; - if(w > 0) this._mkDiv(xl, y2, w, h); - } - if(iSects & 0x0200) - { - xr = Math.min(xrDef, aBndZ[y]); - w = xr - x; - if(w > 0) this._mkDiv(x, y2, w, h); - } - } - else - this._mkDiv(x, y2, xrDef - x, h); - } - else - { - if(iSects & 0x00ff) - { - if(iSects & 0x02) - xl = Math.max(x, aBndZ[y]); - else - xl = x; - if(iSects & 0x01) - xr = Math.min(xrDef, aBndA[y]); - else - xr = xrDef; - y2 = cy - y - h; - w = xr - xl; - if(w > 0) this._mkDiv(xl, y2, w, h); - } - if(iSects & 0xff00) - { - if(iSects & 0x0100) - xl = Math.max(x, aBndA[y]); - else - xl = x; - if(iSects & 0x0200) - xr = Math.min(xrDef, aBndZ[y]); - else - xr = xrDef; - y2 = cy + y + (iOdds >> 16); - w = xr - xl; - if(w > 0) this._mkDiv(xl, y2, w, h); - } - } - }; - - this.setStroke(1); - this.setFont("verdana,geneva,helvetica,sans-serif", "12px", Font.PLAIN); - this.color = "#000000"; - this.htm = ""; - this.wnd = wnd || window; - - if(!jg_ok) _chkDHTM(); - if(jg_ok) - { - if(cnv) - { - if(typeof(cnv) == "string") - this.cont = document.all? (this.wnd.document.all[cnv] || null) - : document.getElementById? (this.wnd.document.getElementById(cnv) || null) - : null; - else if(cnv == window.document) - this.cont = document.getElementsByTagName("body")[0]; - // If cnv is a direct reference to a canvas DOM node - // (option suggested by Andreas Luleich) - else this.cont = cnv; - // Create new canvas inside container DIV. Thus the drawing and clearing - // methods won't interfere with the container's inner html. - // Solution suggested by Vladimir. - this.cnv = this.wnd.document.createElement("div"); - this.cnv.style.fontSize=0; - this.cont.appendChild(this.cnv); - this.paint = jg_dom? _pntCnvDom : _pntCnvIe; - } - else - this.paint = _pntDoc; - } - else - this.paint = _pntN; - - this.setPrintable(false); -} - -function _mkLinVirt(aLin, x1, y1, x2, y2) -{ - var dx = Math.abs(x2-x1), dy = Math.abs(y2-y1), - x = x1, y = y1, - xIncr = (x1 > x2)? -1 : 1, - yIncr = (y1 > y2)? -1 : 1, - p, - i = 0; - if(dx >= dy) - { - var pr = dy<<1, - pru = pr - (dx<<1); - p = pr-dx; - while(dx > 0) - {--dx; - if(p > 0) // Increment y - { - aLin[i++] = x; - y += yIncr; - p += pru; - } - else p += pr; - x += xIncr; - } - } - else - { - var pr = dx<<1, - pru = pr - (dy<<1); - p = pr-dy; - while(dy > 0) - {--dy; - y += yIncr; - aLin[i++] = x; - if(p > 0) // Increment x - { - x += xIncr; - p += pru; - } - else p += pr; - } - } - for(var len = aLin.length, i = len-i; i;) - aLin[len-(i--)] = x; -}; - -function _CompInt(x, y) -{ - return(x - y); -} - |