/usr/share/gnuplot/gnuplot/4.6/js/gnuplot_common.js is in gnuplot-qt 4.6.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*
* $Id: gnuplot_common.js,v 1.9 2011/10/01 04:10:48 sfeam Exp $
*/
// Shared routines for gnuplot's HTML5 canvas terminal driver.
var gnuplot = { };
gnuplot.common_version = "30 September 2011";
gnuplot.L = function (x,y) {
if (gnuplot.zoomed) {
zoom = gnuplot.zoomXY(x/10.0,y/10.0);
ctx.lineTo(zoom.x,zoom.y);
} else
ctx.lineTo(x/10.0,y/10.0);
}
gnuplot.M = function (x,y) {
if (gnuplot.zoomed) {
zoom = gnuplot.zoomXY(x/10.0,y/10.0);
ctx.moveTo(zoom.x,zoom.y);
} else
ctx.moveTo(x/10.0,y/10.0);
}
gnuplot.R = function (x,y,w,h) {
if (gnuplot.zoomed) {
var dx, dy, dw, dh;
zoom = gnuplot.zoomXY(x/10.0,y/10.0);
if (zoom.x >= gnuplot.plot_xmax) return;
if (zoom.y >= gnuplot.plot_ybot) return;
dx = zoom.x; dy = zoom.y;
zoom = gnuplot.zoomXY((x+w)/10.,(y+h)/10.);
if (zoom.xraw <= gnuplot.plot_xmin) return;
if (zoom.yraw <= gnuplot.plot_ytop) return;
dw = zoom.x - dx; dh = zoom.y -dy;
ctx.fillRect(dx, dy, dw, dh);
} else
ctx.fillRect(x/10.0, y/10.0, w/10.0, h/10.0);
}
gnuplot.T = function (x,y,fontsize,justify,string) {
xx = x/10.0; yy = y/10.0;
if (gnuplot.zoomed) {
zoom = gnuplot.zoomXY(xx,yy);
if (zoom.clip) return;
xx = zoom.x; yy = zoom.y;
if (gnuplot.plot_xmin < xx && xx < gnuplot.plot_xmax && gnuplot.plot_ybot > yy && yy > gnuplot.plot_ytop)
if ((typeof(gnuplot.zoom_text) != "undefined") && (gnuplot.zoom_text == true))
fontsize = Math.sqrt(gnuplot.zoomW(fontsize)*gnuplot.zoomH(fontsize));
}
if (justify=="") ctx.drawText("sans", fontsize, xx, yy, string);
else if (justify=="Right") ctx.drawTextRight("sans", fontsize, xx, yy, string);
else if (justify=="Center") ctx.drawTextCenter("sans", fontsize, xx, yy, string);
}
gnuplot.TR = function (x,y,angle,fontsize,justify,string) {
xx = x/10.0; yy = y/10.0;
if (gnuplot.zoomed) {
zoom = gnuplot.zoomXY(xx,yy);
if (zoom.clip) return;
xx = zoom.x; yy = zoom.y;
if (gnuplot.plot_xmin < xx && xx < gnuplot.plot_xmax && gnuplot.plot_ybot > yy && yy > gnuplot.plot_ytop)
if ((typeof(gnuplot.zoom_text) != "undefined") && (gnuplot.zoom_text == true))
fontsize = Math.sqrt(gnuplot.zoomW(fontsize)*gnuplot.zoomH(fontsize));
}
ctx.save();
ctx.translate(xx,yy);
ctx.rotate(angle * Math.PI / 180);
if (justify=="") ctx.drawText("sans", fontsize, 0, 0, string);
else if (justify=="Right") ctx.drawTextRight("sans", fontsize, 0, 0, string);
else if (justify=="Center") ctx.drawTextCenter("sans", fontsize, 0, 0, string);
ctx.restore();
}
gnuplot.bp = function (x,y) // begin polygon
{ ctx.beginPath(); gnuplot.M(x,y); }
gnuplot.cfp = function () // close and fill polygon
{ ctx.closePath(); ctx.fill(); }
gnuplot.cfsp = function () // close and fill polygon with stroke color
{ ctx.closePath(); ctx.fillStyle = ctx.strokeStyle; ctx.stroke(); ctx.fill(); }
gnuplot.Dot = function (x,y) {
xx = x; yy = y;
if (gnuplot.zoomed) {zoom = gnuplot.zoomXY(xx,yy); xx = zoom.x; yy = zoom.y; if (zoom.clip) return;}
ctx.strokeRect(xx,yy,0.5,0.5);
}
gnuplot.Pt = function (N,x,y,w) {
xx = x; yy = y;
if (gnuplot.zoomed) {zoom = gnuplot.zoomXY(xx,yy); xx = zoom.x; yy = zoom.y; if (zoom.clip) return;}
if (w==0) return;
switch (N)
{
case 0:
ctx.beginPath();
ctx.moveTo(xx-w,yy); ctx.lineTo(xx+w,yy);
ctx.moveTo(xx,yy-w); ctx.lineTo(xx,yy+w);
ctx.stroke();
break;
case 1:
ww = w * 3/4;
ctx.beginPath();
ctx.moveTo(xx-ww,yy-ww); ctx.lineTo(xx+ww,yy+ww);
ctx.moveTo(xx+ww,yy-ww); ctx.lineTo(xx-ww,yy+ww);
ctx.stroke();
break;
case 2:
gnuplot.Pt(0,x,y,w); gnuplot.Pt(1,x,y,w);
break;
case 3:
ctx.strokeRect(xx-w/2,yy-w/2,w,w);
break;
case 4:
ctx.save(); ctx.strokeRect(xx-w/2,yy-w/2,w,w); ctx.restore();
ctx.fillRect(xx-w/2,yy-w/2,w,w);
break;
case 5:
ctx.beginPath(); ctx.arc(xx,yy,w/2,0,Math.PI*2,true); ctx.stroke();
break;
default:
case 6:
ctx.beginPath(); ctx.arc(xx,yy,w/2,0,Math.PI*2,true); ctx.fill();
break;
case 7:
ctx.beginPath();
ctx.moveTo(xx,yy-w); ctx.lineTo(xx-w,yy+w/2); ctx.lineTo(xx+w,yy+w/2);
ctx.closePath();
ctx.stroke();
break;
case 8:
ctx.beginPath();
ctx.moveTo(xx,yy-w); ctx.lineTo(xx-w,yy+w/2); ctx.lineTo(xx+w,yy+w/2);
ctx.closePath();
ctx.fill();
break;
}
}
// Zoomable image
gnuplot.ZI = function (image, m, n, x1, y1, x2, y2) {
if (gnuplot.zoomed) {
var sx, sy, sw, sh, dx, dy, dw, dh;
zoom = gnuplot.zoomXY(x1/10.0,y1/10.0);
if (zoom.x >= gnuplot.plot_xmax) return;
if (zoom.y >= gnuplot.plot_ybot) return;
x1raw = zoom.xraw; y1raw = zoom.yraw;
dx = zoom.x; dy = zoom.y;
zoom = gnuplot.zoomXY((x2)/10.,(y2)/10.);
if (zoom.xraw <= gnuplot.plot_xmin) return;
if (zoom.yraw <= gnuplot.plot_ytop) return;
x2raw = zoom.xraw; y2raw = zoom.yraw;
dw = zoom.x - dx; dh = zoom.y - dy;
// FIXME: This is sometimes flaky. Needs integer truncation?
sx = 0; sy = 0; sw = m; sh = n;
if (x1raw < dx) sx = m * (dx - x1raw) / (x2raw - x1raw);
if (y1raw < dy) sy = n * (dy - y1raw) / (y2raw - y1raw);
if (x2raw > zoom.x)
sw = m * (1. - ((x2raw - zoom.x) / (x2raw - x1raw)));
if (y2raw > zoom.y)
sh = n * (1. - ((y2raw - zoom.y) / (y2raw - y1raw)));
sw = sw - sx; sh = sh - sy;
ctx.drawImage(image, sx, sy, sw, sh, dx, dy, dw, dh);
} else
ctx.drawImage(image, x1/10.0, y1/10.0, (x2-x1)/10.0, (y2-y1)/10.0);
}
// These methods are place holders that are loaded by gnuplot_dashedlines.js
gnuplot.dashtype = function (dt) {} ;
gnuplot.dashstart = function (x,y) {gnuplot.M(x,y);} ;
gnuplot.dashstep = function (x,y) {gnuplot.L(x,y);} ;
gnuplot.pattern = [];
|