/
getLayerSVG.jsx
1228 lines (1077 loc) · 43.9 KB
/
getLayerSVG.jsx
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// Copyright 2012-2014 Adobe Systems Incorporated. All Rights reserved.
//
// Convert layer data into SVG output.
//
// ExtendScript is a different planet. Coax JSHint to be accepting of that.
/* jshint bitwise: false, strict: false, quotmark: false, forin: false,
multistr: true, laxbreak: true, maxlen: 255, esnext: true */
/* global $, app, File, ActionDescriptor, ActionReference, executeAction, PSLayerInfo,
UnitValue, DialogModes, cssToClip, stripUnits, round1k, GradientStop, stringIDToTypeID,
Folder, kAdjustmentSheet, kLayerGroupSheet, kHiddenSectionBounder, kVectorSheet,
kTextSheet, kPixelSheet, kSmartObjectSheet, Units, params, runGetLayerSVGfromScript,
typeNULL, eventSelect, charIDToTypeID, classDocument, classLayer */
/* exported runCopyCSSFromScript */
// The built-in "app.path" is broken on the Mac, so we roll our own.
function getPSAppPath() {
var kexecutablePathStr = stringIDToTypeID("executablePath");
var desc = new ActionDescriptor();
var ref = new ActionReference();
ref.putProperty(charIDToTypeID('Prpr'), kexecutablePathStr);
ref.putEnumerated(charIDToTypeID('capp'), charIDToTypeID('Ordn'),
charIDToTypeID('Trgt'));
desc.putReference(charIDToTypeID('null'), ref);
var result = executeAction(charIDToTypeID('getd'), desc, DialogModes.NO);
return File.decode(result.getPath(kexecutablePathStr));
}
// Select the document by ID
function setDocumentByID(id)
{
var desc = new ActionDescriptor();
var ref = new ActionReference();
ref.putIdentifier(classDocument, id);
desc.putReference(typeNULL, ref);
executeAction(eventSelect, desc, DialogModes.NO);
}
// This uses many routines from CopyCSS, so load the script but tell it not to execute first.
if (typeof cssToClip === "undefined")
{
var runCopyCSSFromScript = true;
var appFolder = { Windows: "/", Macintosh: "/../" };
$.evalFile(getPSAppPath() + appFolder[File.fs] + "Required/CopyCSSToClipboard.jsx");
}
var ksendLayerThumbnailToNetworkClientStr = app.stringIDToTypeID("sendLayerThumbnailToNetworkClient");
var krawPixmapFilePathStr = app.stringIDToTypeID("rawPixmapFilePath");
var kformatStr = app.stringIDToTypeID("format");
// var kselectedLayerStr = app.stringIDToTypeID("selectedLayer");
var kwidthStr = app.stringIDToTypeID("width");
var kheightStr = app.stringIDToTypeID("height");
var kboundsStr = app.stringIDToTypeID("bounds");
var klayerIDStr = app.stringIDToTypeID("layerID");
var klayerSVGcoordinateOffset = app.stringIDToTypeID("layerSVGcoordinateOffset");
var keyX = app.charIDToTypeID('X ');
var keyY = app.charIDToTypeID('Y ');
function ConvertSVG()
{
// Construction is actually done by "reset" function.
}
var svg = new ConvertSVG();
svg.reset = function ()
{
this.svgText = "";
this.svgDefs = "";
this.Xoffset = 0.0; // Global offsets for moving SVG content
this.Yoffset = 0.0; // from PS Doc location to the origin
this.gradientID = 0;
this.filterID = 0;
this.fxGroupCount = [0];
this.savedColorMode = null;
this.currentLayer = null;
this.saveUnits = null;
this.startTime = 0;
this.maxStrokeWidth = 0;
this.savedGradients = [];
this.gradientDict = {};
// Yes, you really need all this gobbledygook
this.svgHeader = ['<svg ',
' xmlns="http://www.w3.org/2000/svg"',
' xmlns:xlink="http://www.w3.org/1999/xlink"',
'>\n'].join('\n');
this.svgResult = "";
};
// Convert special characters to &#NN; form. Note '\r' is
// left in as an exception so multiple text spans are processed.
svg.HTMLEncode = function (str)
{
var i, result = [];
for (i = 0; i < str.length; ++i)
{
var c = str[i];
result[i] = ((c < "A" && c !== "\r") || c > "~" || (c > "Z" && c < "a"))
? "&#" + c.charCodeAt() + ";" : str[i];
}
return result.join("");
};
// Switch document color mode
// Modes: "RGBColorMode", "CMYKColorMode", "labColorMode"
svg.changeColorMode = function (dstMode)
{
var sid = stringIDToTypeID;
// Add the "Mode" suffix if it's missing
if (! dstMode.match(/Mode$/)) {
dstMode += "Mode";
}
var desc = new ActionDescriptor();
desc.putClass(sid("to"), sid(dstMode));
desc.putBoolean(sid("merge"), false);
desc.putBoolean(sid("rasterize"), false);
executeAction(sid("convertMode"), desc, DialogModes.NO);
};
svg.documentColorMode = function ()
{
// Reports "colorSpace:CMYKColorEnum", "colorSpace:RGBColor", "colorSpace:labColor"
var s = cssToClip.getDocAttr("mode");
s = s.replace(/^colorSpace:/, "").replace(/Enum$/, ""); // Strip off excess
return s;
};
// Call internal PS code to write the current layer's pixels and convert it to PNG.
// Note this takes care of encoding it into base64 format (ES is too slow at this).
svg.writeLayerPNGfile = function (path)
{
var desc = new ActionDescriptor();
// desc.putBoolean( kselectedLayerStr, true );
desc.putInteger(klayerIDStr, this.currentLayer.layerID);
desc.putString(krawPixmapFilePathStr, path);
desc.putBoolean(kboundsStr, true);
desc.putInteger(kwidthStr, 10000);
desc.putInteger(kheightStr, 10000);
desc.putInteger(kformatStr, 2); // Want raw pixels, not unsupported JPEG
executeAction(ksendLayerThumbnailToNetworkClientStr, desc, DialogModes.NO);
};
// This sets a global offset for all Bezier coordinates generated by
// the layerVectorPointData layer property.
svg.setLayerSVGOffset = function(x,y)
{
this.Xoffset = x;
this.Yoffset = y;
// The layer referenced doesn't actually matter; it just needs to
// reference *a* layer so it vectors into ULayerElement.
var ref1 = new ActionReference();
ref1.putIdentifier( classLayer, app.activeDocument.activeLayer.id );
var cdesc = new ActionDescriptor();
cdesc.putDouble( keyX, this.Xoffset );
cdesc.putDouble( keyY, this.Yoffset );
cdesc.putReference( typeNULL, ref1 );
executeAction( klayerSVGcoordinateOffset, cdesc, DialogModes.NO );
};
svg.reset();
// Set the current layer to process. This accepts a layer index number, a DOM layer,
// or an existing PSLayerInfo object.
svg.setCurrentLayer = function (theLayer)
{
if (typeof theLayer === "number") {
this.currentLayer = new PSLayerInfo(theLayer - cssToClip.documentIndexOffset);
}
else
if ((typeof theLayer === "object") // Check for DOM layer
&& (typeof theLayer.typename !== "undefined")
&& ((theLayer.typename === "ArtLayer") || (theLayer.typename === "LayerSet"))) {
this.currentLayer = new PSLayerInfo(theLayer.itemIndex - cssToClip.documentIndexOffset);
}
else {
this.currentLayer = theLayer; // Existing PSLayerInfo object
}
};
svg.getLayerAttr = function (keyString, layerDesc)
{
return this.currentLayer.getLayerAttr(keyString, layerDesc);
};
svg.addText = function (s)
{
this.svgText += s;
};
// For adding name="value" style parameters.
svg.addParam = function (paramName, value)
{
this.addText(" " + paramName + '="' + value + '"');
};
svg.addOffsetPosition = function(boundsDesc)
{
svg.addText(' x="'+(Number(stripUnits(boundsDesc.getVal('left')))+this.Xoffset)+'px"');
svg.addText(' y="'+(Number(stripUnits(boundsDesc.getVal('top')))+this.Yoffset)+'px"');
};
// Definitions (such as linear gradients) must be collected and output ahead
// of the rest of the SVG text.
svg.addDef = function (s)
{
this.svgDefs += s;
};
function SavedGradient(info, colorStops, url, minOpacity)
{
this.info = info;
this.minOpacity = minOpacity;
this.colorStops = [];
// Make an explicit copy, so calls to "reverse" don't hammer the copy
for (var i in colorStops) {
this.colorStops.push(colorStops[i].copy());
}
this.url = url;
}
SavedGradient.prototype.match = function (info, colorStops)
{
// Note: you want to compare the members of the struct, hence == vs ===
// (info and stops have ExtendScript "==" overrides)
/* jshint eqeqeq: false */
if ((this.info == info) && (this.colorStops.length === colorStops.length))
{
var i;
for (i in colorStops) {
if (this.colorStops[i] != colorStops[i]) {
return false;
}
}
return true;
}
return false;
/* jshint eqeqeq: true */
};
// Collect gradient information
svg.getGradient = function (useLayerFX)
{
// "false" says those defined by layerFX are skipped.
useLayerFX = (typeof useLayerFX === "undefined") ? false : useLayerFX;
var gradInfo = this.currentLayer.gradientInfo(useLayerFX);
var colorStops = this.currentLayer.gradientColorStops();
var gradientURL = null;
function addCoord(coord, v)
{
if (v < 0) {
svg.addDef(' ' + coord + '1="' + Math.abs(v) + '%" ' + coord + '2="0%"');
}
else {
svg.addDef(' ' + coord + '1="0%" ' + coord + '2="' + v + '%"');
}
}
if (gradInfo && colorStops)
{
var i, globalOpacity = gradInfo.opacity;
// If we've seen this gradient before, just return the URL for it
for (i in this.savedGradients) {
if (this.savedGradients[i].match(gradInfo, colorStops)) {
return this.savedGradients[i].url;
}
}
// Otherwise, make a new URL and stash it for future reference
gradientURL = "url(#PSgrad_" + this.gradientID + ")";
var minOpacity = globalOpacity;
for (i in colorStops) {
if (colorStops[i].m / 100 < minOpacity) {
minOpacity = colorStops[i].m / 100;
}
}
this.savedGradients.push(new SavedGradient(gradInfo, colorStops, gradientURL, minOpacity));
this.gradientDict[gradientURL] = this.savedGradients[this.savedGradients.length - 1];
this.addDef("<" + gradInfo.type + "Gradient " + 'id="PSgrad_' + this.gradientID + '"');
if (gradInfo.type === "linear")
{
// SVG wants the angle in cartesian, not polar, coords.
var angle = stripUnits(gradInfo.angle) * Math.PI / 180.0;
var xa = Math.cos(angle) * 100, ya = -Math.sin(angle) * 100;
addCoord("x", round1k(xa));
addCoord("y", round1k(ya));
}
this.addDef('>\n');
// reverse is applied only to color values, not stop locations
if (gradInfo.reverse) {
colorStops = GradientStop.reverseStoplist(colorStops);
}
var svgStops = [];
for (var c in colorStops) {
svgStops.push(' <stop offset="' + Math.round(colorStops[c].location) + '%"'
+ ' stop-color="' + colorStops[c].colorString(true)
+ '" stop-opacity="' + ((colorStops[c].m / 100) * globalOpacity) + '" />');
}
this.addDef(svgStops.join("\n") + "\n");
this.addDef("</" + gradInfo.type + "Gradient>\n");
this.gradientID++;
}
return gradientURL;
};
svg.addGradientOverlay = function ()
{
var gradOverlay = this.getLayerAttr("layerEffects.gradientFill");
if (gradOverlay && this.getLayerAttr("layerFXVisible") && gradOverlay.getVal("enabled")) {
return this.getGradient(true); // Explictly ask for layerFX gradient
}
return null;
};
// Substitute filter parameters (delimited with $dollar$) using the params dictionary
svg.replaceKeywords = function (filterStr, params)
{
var i, replaceList = filterStr.match(/[$](\w+)[$]/g);
if (replaceList) {
for (i = 0; i < replaceList.length; ++i) {
filterStr = filterStr.replace(replaceList[i], params[replaceList[i].split('$')[1]]);
}
}
return filterStr;
};
svg.replaceFilterKeys = function (filterStr, params)
{
this.addDef(this.replaceKeywords(filterStr, params));
this.pushFXGroup('filter', 'url(#' + params.filterTag + ')');
};
// Note each effect added for a particular layer requires a separate SVG group.
svg.pushFXGroup = function (groupParam, groupValue)
{
this.addText("<g");
this.addParam(groupParam, groupValue);
this.addText(">\n");
this.fxGroupCount[0]++;
};
svg.popFXGroups = function ()
{
var i;
if (this.fxGroupCount[0] > 0)
{
for (i = 0; i < this.fxGroupCount[0]; ++i) {
this.addText("</g>");
}
this.addText("\n");
this.fxGroupCount[0] = 0;
}
};
svg.psModeToSVGmode = function (psMode)
{
psMode = psMode.replace(/^blendMode[:]\s*/, ""); // Remove enum class
var modeMap = { 'colorBurn': null, 'linearBurn': 'multiply', 'darkenColor': null, 'multiply': 'multiply',
'lighten': 'lighten', 'screen': 'screen', 'colorDodge': null, 'linearDodge': 'lighten',
'lighterColor': 'normal', 'normal': 'normal', 'overlay': null, 'softLight': null,
'hardLight': 'normal', 'vividLight': null, 'linearLight': 'normal', 'dissolve': null,
'pinLight': 'normal', 'hardMix': null, 'difference': 'lighten', 'exclusion': 'lighten',
'subtract': null, 'divide': null, 'hue': 'normal', 'saturation': null, 'color': 'normal',
'luminosity': null, 'darken': 'darken' };
return modeMap[psMode];
};
svg.addColorOverlay = function ()
{
var overDesc = this.getLayerAttr("layerEffects.solidFill");
if (overDesc && overDesc.getVal("enabled") && this.getLayerAttr("layerFXVisible"))
{
var params = { filterTag: "Filter_" + this.filterID++,
color: this.currentLayer.replaceDescKey('flood-color="$color$"', overDesc)[1],
opacity: round1k(stripUnits(overDesc.getVal("opacity")) / 100.0),
mode: this.psModeToSVGmode(overDesc.getVal("mode")) };
if (! params.mode) {
return; // Bail on unsupported transfer modes
}
var filterStr =
'<filter id="$filterTag$">\
<feFlood $color$ flood-opacity="$opacity$" result="floodOut" />\
<feComposite operator="atop" in="floodOut" in2="SourceGraphic" result="compOut" />\
<feBlend mode="$mode$" in="compOut" in2="SourceGraphic" />\
</filter>\n';
this.replaceFilterKeys(filterStr, params);
}
};
svg.addInnerShadow = function ()
{
var inshDesc = this.getLayerAttr("layerEffects.innerShadow");
if (inshDesc && inshDesc.getVal("enabled") && this.getLayerAttr("layerFXVisible"))
{
var mode = this.psModeToSVGmode(inshDesc.getVal("mode"));
// Some of the PS modes don't do anything with this effect
if (! mode) {
return;
}
var offset = PSLayerInfo.getEffectOffset(inshDesc);
var params = { filterTag: "Filter_" + this.filterID++,
dx: stripUnits(offset[0]), dy: stripUnits(offset[1]),
blurDist: round1k(Math.sqrt(stripUnits(inshDesc.getVal("blur")))),
inshColor: this.currentLayer.replaceDescKey('flood-color="$color$"', inshDesc)[1],
opacity: round1k(stripUnits(inshDesc.getVal("opacity")) / 100.0),
mode: mode };
var filterStr =
'<filter id="$filterTag$">\
<feOffset in="SourceAlpha" dx="$dx$" dy="$dy$" />\
<feGaussianBlur result="blurOut" stdDeviation="$blurDist$" />\
<feFlood $inshColor$ result="floodOut" />\
<feComposite operator="out" in="floodOut" in2="blurOut" result="compOut" />\
<feComposite operator="in" in="compOut" in2="SourceAlpha" />\
<feComponentTransfer><feFuncA type="linear" slope="$opacity$"/></feComponentTransfer>\
<feBlend mode="$mode$" in2="SourceGraphic" />\
</filter>\n';
this.replaceFilterKeys(filterStr, params);
}
};
// Create drop shadows via SVG filter functions.
svg.addDropShadow = function ()
{
// Remember, rectangles are [Left, Top, Bottom Right]. Strip the units
// because SVG chokes on the space between the number and 'px'. We'll add it back later.
function rectPx(r) {
var i, rpx = [];
for (i in r) {
rpx.push(r[i].as('px'));
}
return rpx;
}
var dsInfo = this.currentLayer.getDropShadowInfo();
if (dsInfo)
{
dsInfo = dsInfo[0]; // Only take the first of the list
var dsDesc = dsInfo.dsDesc;
var strokeWidth = 0;
var agmDesc = this.currentLayer.getLayerAttr("AGMStrokeStyleInfo");
if (agmDesc && agmDesc.getVal("strokeEnabled")
&& (strokeWidth = agmDesc.getVal("strokeStyleLineWidth")))
{
strokeWidth = stripUnits(strokeWidth);
}
// The filter needs to specify the bounds of the result.
var fxBounds = rectPx(this.currentLayer.getBounds());
var params = { filterTag: "Filter_" + this.filterID++,
xoffset: 'x="' + ((fxBounds[0] - strokeWidth) + this.Xoffset) + 'px"',
yoffset: 'y="' + ((fxBounds[1] - strokeWidth) + this.Yoffset) + 'px"',
fxWidth: 'width="' + (fxBounds[2] - fxBounds[0] + strokeWidth*2) + 'px"',
fxHeight: 'height="' + (fxBounds[3] - fxBounds[1] + strokeWidth*2) + 'px"',
dx: stripUnits(dsInfo.xoff), dy: stripUnits(dsInfo.yoff),
// SVG uses "standard deviation" vs. pixels for the blur distance; sqrt is a rough approximation
blurDist: round1k(Math.sqrt(stripUnits(dsDesc.getVal("blur")))),
dsColor: this.currentLayer.replaceDescKey('flood-color="$color$"', dsDesc)[1],
opacity: round1k(stripUnits(dsDesc.getVal("opacity")) / 100.0) };
// By default, the filter extends 10% beyond the bounds of the object.
// x, y, width, height need to specify the entire affected region;
// "userSpaceOnUse" hard codes it to the object's coords
var filterDef =
'<filter filterUnits="userSpaceOnUse" id="$filterTag$" $xoffset$ $yoffset$ $fxWidth$ $fxHeight$ >\
<feOffset in="SourceAlpha" dx="$dx$" dy="$dy$" />\
<feGaussianBlur result="blurOut" stdDeviation="$blurDist$" />\
<feFlood $dsColor$ result="floodOut" />\
<feComposite operator="atop" in="floodOut" in2="blurOut" />\
<feComponentTransfer><feFuncA type="linear" slope="$opacity$"/></feComponentTransfer>\
<feMerge>\n <feMergeNode/>\n <feMergeNode in="SourceGraphic"/>\n </feMerge>\
</filter>\n';
this.replaceFilterKeys(filterDef, params);
}
};
svg.addLayerFX = function ()
{
// Gradient overlay layerFX are handled by just generating another copy of the shape
// with the desired gradient fill, rather than using an SVG filter
var saveCount = this.fxGroupCount[0];
this.addDropShadow();
this.addInnerShadow();
this.addColorOverlay();
// Return true if an effect was actually generated.
return saveCount !== this.fxGroupCount[0];
};
svg.addOpacity = function (combine)
{
var colorOver = this.getLayerAttr("layerEffects.solidFill.enabled") && this.getLayerAttr("layerFXVisible");
combine = (colorOver || (typeof combine === "undefined")) ? false : combine;
var fillOpacity = this.getLayerAttr("fillOpacity") / 255;
// Color overlay replaces fill opacity if it's enabled.
if (colorOver) {
fillOpacity = this.getLayerAttr("layerEffects.solidFill.opacity");
}
var opacity = this.getLayerAttr("opacity") / 255;
if (combine)
{
opacity *= fillOpacity;
if (opacity < 1.0) {
this.addParam("opacity", round1k(opacity));
}
}
else
{
if (fillOpacity < 1.0) {
this.addParam("fill-opacity", round1k(fillOpacity));
}
if (opacity < 1.0) {
this.addParam("opacity", round1k(opacity));
}
}
};
//
// Add an attribute to the SVG output. Note items delimited
// in $'s are substituted with values looked up from the layer data
// e.g.:
// border-width: $AGMStrokeStyleInfo.strokeStyleLineWidth$;"
// puts the stroke width into the output. If the descriptor in the $'s
// isn't found, no output is added.
//
svg.addAttribute = function (attrText, baseDesc)
{
var result = this.currentLayer.replaceDescKey(attrText, baseDesc);
var replacementFailed = result[0];
attrText = result[1];
if (! replacementFailed) {
this.addText(attrText);
}
return !replacementFailed;
};
// Text items need to try the base, default and baseParentStyle descriptors
svg.addAttribute2 = function (attrText, descList)
{
var i = 0;
while ((i < descList.length) && (!descList[i] || ! this.addAttribute(attrText, descList[i]))) {
i += 1;
}
};
svg.getVal2 = function (attrName, descList)
{
var i = 0;
var result = null;
while ((i < descList.length) && ((! descList[i]) || !(result = descList[i].getVal(attrName)))) {
i += 1;
}
return result;
};
// Process shape layers
svg.getShapeLayerSVG = function ()
{
var self = this;
var agmDesc = this.currentLayer.getLayerAttr("AGMStrokeStyleInfo");
var capDict = {"strokeStyleRoundCap": 'round', "strokeStyleButtCap": 'butt',
"strokeStyleSquareCap": 'square'};
var joinDict = {"strokeStyleBevelJoin": 'bevel', "strokeStyleRoundJoin": 'round',
"strokeStyleMiterJoin": 'miter'};
function hasStroke() {
return (agmDesc && agmDesc.getVal("strokeEnabled"));
}
function addStroke() {
if (hasStroke())
{
svg.addAttribute(' stroke="$strokeStyleContent.color$"', agmDesc);
svg.addAttribute(' stroke-width="$strokeStyleLineWidth$"', agmDesc);
var strokeWidth = stripUnits(agmDesc.getVal("strokeStyleLineWidth"));
self.maxStrokeWidth = Math.max(strokeWidth, self.maxStrokeWidth);
var dashes = agmDesc.getVal("strokeStyleLineDashSet", false);
if (dashes && dashes.length)
{
// Patch the "[0,2]" dash pattern from the default dotted style, else the stroke
// vanishes completely. Need to investigate further someday.
if ((dashes.length === 2) && (dashes[0] === 0) && (dashes[1] === 2)) {
dashes = [strokeWidth / 2, strokeWidth * 2];
}
else {
for (var i in dashes) {
dashes[i] = dashes[i] * strokeWidth;
}
}
svg.addParam('stroke-dasharray', dashes.join(", "));
}
var cap = agmDesc.getVal("strokeStyleLineCapType");
if (cap) {
svg.addParam('stroke-linecap', capDict[cap]);
}
var join = agmDesc.getVal("strokeStyleLineJoinType");
if (join) {
svg.addParam('stroke-linejoin', joinDict[join]);
}
}
// Check for layerFX style borders
var fxDesc = svg.getLayerAttr("layerEffects.frameFX");
if (fxDesc && fxDesc.getVal("enabled")
&& (fxDesc.getVal("paintType") === "solidColor"))
{
svg.addAttribute(' stroke-width="$size$"', fxDesc);
svg.addAttribute(' stroke="$color$"', fxDesc);
}
}
// Layer fx need to happen first, so they're defined in enclosing groups
this.addLayerFX();
var gradOverlayID = this.addGradientOverlay();
// For now, Everything Is A Path. We'll revisit this when shape meta-data is available.
this.addText("<path fill-rule=\"evenodd\" ");
// If there's a gradient overlay effect, the stroke must be added there.
if (! gradOverlayID) {
addStroke();
}
this.addOpacity();
var gradientID = this.getGradient();
if (!agmDesc || (agmDesc && agmDesc.getVal("fillEnabled")))
{
if (gradientID) {
this.addParam('fill', gradientID);
}
else {
this.addAttribute(' fill="$adjustment.color$"');
}
}
else {
this.addAttribute(' fill="none"');
}
this.addText('\n d="' + this.getLayerAttr("layerVectorPointData") + '"');
this.addText('/>\n');
this.popFXGroups();
if (gradOverlayID)
{
this.addText("<path");
addStroke();
this.addParam('fill', gradOverlayID);
this.addText('\n d="' + this.getLayerAttr("layerVectorPointData") + '"');
this.addText('/>\n');
}
// A solid fill layerFX trashes the stroke, so we over-write it with one outside of the solidFill layer effect group
if (!gradOverlayID && this.getLayerAttr("layerEffects.solidFill.enabled") && hasStroke())
{
this.addText('<path fill="none"');
addStroke();
this.addText('\n d="' + this.getLayerAttr("layerVectorPointData") + '"');
this.addText('/>\n');
}
};
// This works for solid colors and gradients; other stuff, not so much
svg.getAdjustmentLayerSVG = function ()
{
// Layer fx need to happen first, so they're defined in enclosing groups
this.addLayerFX();
var gradOverlayID = this.addGradientOverlay();
var self = this;
function addRect()
{
var boundsDesc = self.getLayerAttr("bounds");
self.addText("<rect ");
self.addOffsetPosition(boundsDesc);
self.addAttribute(' width="$width$" height="$height$" ', boundsDesc);
}
addRect();
this.addOpacity();
var gradientID = this.getGradient();
if (gradientID) {
this.addParam('fill', gradientID);
}
else {
this.addAttribute(' fill="$adjustment.color$"');
}
this.addText("/>\n");
this.popFXGroups();
if (gradOverlayID)
{
addRect(); // Add another rect with the gradient overlay FX
this.addParam('fill', gradOverlayID);
this.addText('\n d="' + this.getLayerAttr("layerVectorPointData") + '"');
this.addText('/>\n');
}
};
// This is a wrapper for the actual code (getTextlayerSVG1), because
// we may need to run it twice if gradients are applied.
svg.getTextLayerSVG = function ()
{
var gradientURL = this.getGradient(true);
if (gradientURL)
{
var minOpacity = this.gradientDict[gradientURL].minOpacity;
this.getTextLayerSVG1(gradientURL);
if (this.getLayerAttr("layerEffects.gradientFill") && (minOpacity < 1)) {
this.getTextLayerSVG1(); // We need the base color as well
}
}
else {
this.getTextLayerSVG1();
}
};
// Text; just basic functionality for now; paragraph style text is not handled yet.
svg.getTextLayerSVG1 = function (fillColor)
{
function isStyleOn(textDesc, styleKey, onText)
{
var styleText = textDesc.getVal(styleKey);
return (styleText && (styleText.search(onText) >= 0));
}
var xfm = function () {};
var midval = function () {}; // For shutting up JSHint
var textDesc = this.getLayerAttr("textKey.textStyleRange.textStyle");
var leftMargin = "0";
var textBottom = "0";
var isBoxText = false;
var textDescList = [textDesc];
var defaultDesc = this.getLayerAttr("textKey.paragraphStyleRange.paragraphStyle.defaultStyle");
textDescList.push(defaultDesc);
var baseParentDesc = textDesc.getVal('baseParentStyle');
textDescList.push(baseParentDesc);
if (textDesc)
{
this.addLayerFX();
this.addText('<text');
var boundsDesc = this.getLayerAttr("boundsNoEffects");
if (textDesc.getVal("autoKern") === "metricsKern") {
this.addText(' kerning="auto"');
}
this.addAttribute2(' font-family="$fontName$"', textDescList);
if (typeof fillColor === "undefined") {
this.addAttribute(' fill="$color$"', textDesc);
}
else {
this.addParam('fill', fillColor);
}
this.addOpacity();
// "boundsDesc" is the bounding box of the transformed text (in doc coords)
// Original (untransformed, untranslated) text bounding box
var originalTextBounds = this.getLayerAttr("textKey.boundingBox");
var transformMatrixUsed = false;
var textXform = this.getLayerAttr("textKey.transform");
// Accomodate PS text baseline for vertical position
if (textXform)
{
xfm = function (key) { return textXform.getVal(key); };
var xx = xfm("xx"), xy = xfm("xy"), yx = xfm("yx"),
yy = xfm("yy"), tx = xfm("tx"), ty = xfm("ty");
// Check to make sure it's not an identity matrix
if (! ((xx === 1) && (xy === 0) && (yx === 0)
&& (yy === 1) && (tx === 0) && (ty === 0)))
{
midval = function (key0, key1, desc, op) {
return op(stripUnits(desc.getVal(key0)), stripUnits(desc.getVal(key1))) / 2.0;
};
// Find the vector representing the bottom left corner of
// the original (untransformed) text bounds centered on the origin
var obx = -midval("left", "right", originalTextBounds, function (a, b) { return b - a; });
var oby = midval("top", "bottom", originalTextBounds, function (a, b) { return -b - a; });
// Transform the vector by the matrix
var tbx = obx * xx + oby * yx + tx;
var tby = obx * xy + oby * yy + ty;
// Now find the center of the transformed text:
var cbx = midval("left", "right", boundsDesc, function (a, b) { return a + b; });
var cby = midval("top", "bottom", boundsDesc, function (a, b) { return a + b; });
// Offset the transformed bottom left corner vector by
// the center of the transformed text bounds in Photoshop:
tbx += cbx;
tby += cby;
// Offset by the global position within the doc
tbx += this.Xoffset;
tby += this.Yoffset;
// These values become the translate values in the SVG matrix:
this.addAttribute(' transform="matrix( $xx$, $xy$, $yx$, $yy$,', textXform);
this.addText(tbx + ", " + tby + ')"');
transformMatrixUsed = true;
}
}
// Extract the actual text
var textStr = this.getLayerAttr('textKey').getVal('textKey');
// SVG doesn't have native support for all caps
if (isStyleOn(textDesc, "fontCaps", /^allCaps/)) {
textStr = textStr.toUpperCase();
}
// Weed out < > & % @ ! # etc.
textStr = this.HTMLEncode(textStr);
// If text is on multiple lines, break it into separate spans.
var lineBreaks = textStr.match(/\r/g);
if (! transformMatrixUsed)
{
// boundsDesc is from "boundsNoEffects"
// originalTextBounds is textKey.boundingBox
var textShapeDesc = this.getLayerAttr("textKey.textShape");
if (textShapeDesc.getVal("char") === "box") {
isBoxText = true;
textBottom = stripUnits(boundsDesc.getVal("bottom")) - stripUnits(boundsDesc.getVal("top"));
if (lineBreaks) {
textBottom -= stripUnits(this.getLayerAttr("textKey.bounds.bottom"))
- stripUnits(originalTextBounds.getVal("bottom"));
}
else {
textBottom += stripUnits(this.getLayerAttr("textKey.bounds.top"));
}
}
else {
textBottom = stripUnits(boundsDesc.getVal("bottom"));
}
leftMargin = boundsDesc.getVal('left'); // For multi-line text
leftMargin = stripUnits(leftMargin) + this.Xoffset + 'px';
if (! isBoxText && !lineBreaks) {
textBottom = textBottom - stripUnits(originalTextBounds.getVal('bottom'));
}
textBottom += this.Yoffset;
}
// This table is: [PS Style event key ; PS event value keyword to search for ; corresponding SVG]
var styleTable = [["fontStyleName", "Bold", ' font-weight="bold"'],
["fontStyleName", "Italic", ' font-style="italic"'],
["strikethrough", "StrikethroughOn", ' text-decoration="line-through"'],
["underline", "underlineOn", ' text-decoration="underline"'],
// Need RE, otherwise conflicts w/"smallCaps"
//["fontCaps", /^allCaps/, "text-transform: uppercase;"],
["fontCaps", "smallCaps", ' font-variant="small-caps"'],
// These should probably also modify the font size?
["baseline", "superScript", ' baseline-shift="super"']
//["baseline", "subScript", ' baseline-shift="sub"']
];
var i;
for (i in styleTable) {
if (isStyleOn(textDesc, styleTable[i][0], styleTable[i][1])) {
this.addText(styleTable[i][2]);
}
}
var fontSize = stripUnits(this.getVal2("size", textDescList));
var fontLeading = textDesc.getVal("leading");
fontLeading = fontLeading ? stripUnits(fontLeading) : fontSize * 1.2;
if (isStyleOn(textDesc, "baseline", "subScript"))
{
fontSize = fontSize / 2;
textBottom += fontLeading;
}
this.addParam('font-size', fontSize + 'px');
if (! transformMatrixUsed)
{
this.addParam('x', leftMargin);
this.addParam('y', textBottom + 'px');
}
this.addText('>');
if (lineBreaks)
{
// Synthesize the line-height from the "leading" (line spacing) / font-size
var lineHeight = "1.2em";
if (fontSize && fontLeading)
{
// Strip off the units; this keeps it as a relative measure.
lineHeight = round1k(fontLeading / fontSize);
}
var topOffset = "";
if (! transformMatrixUsed) {
if (isBoxText) {
topOffset = ' dy="-' + (lineBreaks.length * lineHeight) + 'em"';
} else {
topOffset = ' dy="-' + stripUnits(this.getLayerAttr("textKey.boundingBox.bottom")) + 'px"';
}
}
var textSpans = ' <tspan' + topOffset + '>';
textSpans += textStr.replace(/\r/g, '</tspan><tspan x="' + leftMargin + '" dy="' + lineHeight + 'em">');
textSpans += '</tspan>\n';
// Blank lines must have at least a space or else dy is ignored.
textSpans = textSpans.replace(/><\/tspan>/g, "> </tspan>");
this.addText(textSpans);
}
else {
this.addText(textStr);
}
this.addText('</text>\n');
this.popFXGroups();
}
};
// Generate a file reference if the layer ends in an image-file suffix (return true)
// Otherwise, return false.
svg.getImageLayerFileRefSVG = function ()
{
var validSuffix = {'.tiff': 1, '.png': 1, '.jpg': 1, '.gif': 1};
// Apply generator's naming rules to the image names.
// If there's a list, just grab the first.
var name = this.getLayerAttr("name").split(",")[0];
var suffix = (name.lastIndexOf('.') >= 0)
? name.slice(name.lastIndexOf('.')).toLowerCase() : null;
suffix = (validSuffix[suffix]) ? suffix : null;
if (! suffix) {
return false;
}
this.addParam('xlink:href', name);
return true;
};
svg.getImageLayerSVG = function ()
{
var boundsDesc = this.currentLayer.getLayerAttr("bounds");
this.addText("<image ");
this.addOpacity(true);
this.addOffsetPosition(boundsDesc);
this.addAttribute(' width="$width$" height="$height$" ', boundsDesc);
// If the image doesn't have a file suffix, then generate the output as in-line data.
if (! this.getImageLayerFileRefSVG()) {
// Write layer pixels as in-line PNG, base64 encoded.
var pngPath = new File(Folder.temp + "/png4svg" + this.currentLayer.layerID).fsName;
this.writeLayerPNGfile(pngPath);
var pngFile = new File(pngPath + ".base64");
pngFile.open('r');
pngFile.encoding = "UTF-8";
var pngData64 = pngFile.read();
pngFile.close();
pngFile.remove();
this.addParam('xlink:href', "data:img/png;base64," + pngData64);
}
this.addText(" />\n");
};
// This walks the group and outputs all visible items in that group. If the current
// layer is not a group, then it walks to the end of the document (i.e., for dumping
// the whole document).
svg.walkLayerGroup = function (processAllLayers)
{
function isSVGLayerKind(kind)