| /compass/005_compass/compass/node_modules/gm/lib/drawing.js |
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| |
| /** |
| * Module dependencies. |
| */ |
| |
| var escape = require('./utils').escape; |
| |
| /** |
| * Extend proto. |
| */ |
| |
| module.exports = function (proto) { |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-fill |
| proto.fill = function fill (color) { |
| return this.out("-fill", color || "none"); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-stroke |
| proto.stroke = function stroke (color, width) { |
| if (width) { |
| this.strokeWidth(width); |
| } |
| |
| return this.out("-stroke", color || "none"); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-strokewidth |
| proto.strokeWidth = function strokeWidth (width) { |
| return this.out("-strokewidth", width); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-font |
| proto.font = function font (font, size) { |
| if (size) { |
| this.fontSize(size); |
| } |
| |
| return this.out("-font", font); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html |
| proto.fontSize = function fontSize (size) { |
| return this.out("-pointsize", size); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.draw = function draw (args) { |
| return this.out("-draw", [].slice.call(arguments).join(" ")); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawPoint = function drawPoint (x, y) { |
| return this.draw("point", x +","+ y); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawLine = function drawLine (x0, y0, x1, y1) { |
| return this.draw("line", x0+","+y0, x1+","+y1); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawRectangle = function drawRectangle (x0, y0, x1, y1, wc, hc) { |
| var shape = "rectangle" |
| , lastarg; |
| |
| if ("undefined" !== typeof wc) { |
| shape = "roundRectangle"; |
| |
| if ("undefined" === typeof hc) { |
| hc = wc; |
| } |
| |
| lastarg = wc+","+hc; |
| } |
| |
| return this.draw(shape, x0+","+y0, x1+","+y1, lastarg); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawArc = function drawArc (x0, y0, x1, y1, a0, a1) { |
| return this.draw("arc", x0+","+y0, x1+","+y1, a0+","+a1); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawEllipse = function drawEllipse (x0, y0, rx, ry, a0, a1) { |
| if (a0 == undefined) a0 = 0; |
| if (a1 == undefined) a1 = 360; |
| return this.draw("ellipse", x0+","+y0, rx+","+ry, a0+","+a1); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawCircle = function drawCircle (x0, y0, x1, y1) { |
| return this.draw("circle", x0+","+y0, x1+","+y1); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawPolyline = function drawPolyline () { |
| return this.draw("polyline", formatPoints(arguments)); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawPolygon = function drawPolygon () { |
| return this.draw("polygon", formatPoints(arguments)); |
| } |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawBezier = function drawBezier () { |
| return this.draw("bezier", formatPoints(arguments)); |
| } |
| |
| proto._gravities = [ |
| "northwest" |
| , "north" |
| , "northeast" |
| , "west" |
| , "center" |
| , "east" |
| , "southwest" |
| , "south" |
| , "southeast"]; |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.drawText = function drawText (x0, y0, text, gravity) { |
| var gravity = String(gravity || "").toLowerCase() |
| , arg = ["text " + x0 + "," + y0 + " " + escape(text)]; |
| |
| if (~this._gravities.indexOf(gravity)) { |
| arg.unshift("gravity", gravity); |
| } |
| |
| return this.draw.apply(this, arg); |
| } |
| |
| proto._drawProps = ["color", "matte"]; |
| |
| // http://www.graphicsmagick.org/GraphicsMagick.html#details-draw |
| proto.setDraw = function setDraw (prop, x, y, method) { |
| prop = String(prop || "").toLowerCase(); |
| |
| if (!~this._drawProps.indexOf(prop)) { |
| return this; |
| } |
| |
| return this.draw(prop, x+","+y, method); |
| } |
| |
| } |
| |
| function formatPoints (points) { |
| var len = points.length |
| , result = [] |
| , i = 0; |
| |
| for (; i < len; ++i) { |
| result.push(points[i].join(",")); |
| } |
| |
| return result; |
| } |
