SVG import - gradient stub - needs matrix fix

This commit is contained in:
Jindra Petřík
2015-12-25 13:49:48 +01:00
parent ed508ebd04
commit 5613e25f47
@@ -17,8 +17,14 @@
package com.jpexs.decompiler.flash.importers;
import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.exporters.ShapeExporter;
import com.jpexs.decompiler.flash.exporters.commonshape.ExportRectangle;
import com.jpexs.decompiler.flash.exporters.commonshape.Matrix;
import com.jpexs.decompiler.flash.exporters.commonshape.Point;
import com.jpexs.decompiler.flash.exporters.commonshape.SVGExporter;
import com.jpexs.decompiler.flash.exporters.modes.ShapeExportMode;
import com.jpexs.decompiler.flash.exporters.settings.ShapeExportSettings;
import com.jpexs.decompiler.flash.exporters.shape.BitmapExporter;
import com.jpexs.decompiler.flash.helpers.ImageHelper;
import com.jpexs.decompiler.flash.importers.svg.CubicToQuad;
import com.jpexs.decompiler.flash.tags.DefineBitsJPEG2Tag;
@@ -34,11 +40,16 @@ import com.jpexs.decompiler.flash.tags.Tag;
import com.jpexs.decompiler.flash.tags.base.ImageTag;
import com.jpexs.decompiler.flash.tags.base.ShapeTag;
import com.jpexs.decompiler.flash.tags.enums.ImageFormat;
import com.jpexs.decompiler.flash.types.ColorTransform;
import com.jpexs.decompiler.flash.types.FILLSTYLE;
import com.jpexs.decompiler.flash.types.FILLSTYLEARRAY;
import com.jpexs.decompiler.flash.types.FOCALGRADIENT;
import com.jpexs.decompiler.flash.types.GRADIENT;
import com.jpexs.decompiler.flash.types.GRADRECORD;
import com.jpexs.decompiler.flash.types.LINESTYLE;
import com.jpexs.decompiler.flash.types.LINESTYLE2;
import com.jpexs.decompiler.flash.types.LINESTYLEARRAY;
import com.jpexs.decompiler.flash.types.MATRIX;
import com.jpexs.decompiler.flash.types.RECT;
import com.jpexs.decompiler.flash.types.RGB;
import com.jpexs.decompiler.flash.types.RGBA;
@@ -47,25 +58,38 @@ import com.jpexs.decompiler.flash.types.shaperecords.CurvedEdgeRecord;
import com.jpexs.decompiler.flash.types.shaperecords.EndShapeRecord;
import com.jpexs.decompiler.flash.types.shaperecords.StraightEdgeRecord;
import com.jpexs.decompiler.flash.types.shaperecords.StyleChangeRecord;
import com.jpexs.helpers.Helper;
import com.jpexs.helpers.SerializableImage;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.geom.Point2D;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.StringReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.Dictionary;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import javax.imageio.ImageIO;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
@@ -159,6 +183,19 @@ public class ShapeImporter {
return importSvg(st, svgXml, true);
}
//Generate id-element map, because getElementById does not work in some cases (namespaces?)
protected void populateIds(Element el, Map<String, Element> out) {
if (el.hasAttribute("id")) {
out.put(el.getAttribute("id"), el);
}
NodeList nodes = el.getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
if (nodes.item(i) instanceof Element) {
populateIds((Element) nodes.item(i), out);
}
}
}
public Tag importSvg(ShapeTag st, String svgXml, boolean fill) {
SWF swf = st.getSwf();
@@ -173,18 +210,28 @@ public class ShapeImporter {
try {
DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
docFactory.setValidating(false);
docFactory.setNamespaceAware(true);
docFactory.setFeature("http://xml.org/sax/features/namespaces", false);
docFactory.setFeature("http://xml.org/sax/features/validation", false);
docFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
docFactory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
Document doc = docBuilder.parse(new InputSource(new StringReader(svgXml)));
Element rootElement = doc.getDocumentElement();
Map<String, Element> idMap = new HashMap<>();
populateIds(rootElement, idMap);
if (!"svg".equals(rootElement.getTagName())) {
throw new IOException("SVG root element should be 'svg'");
}
SvgStyle style = new SvgStyle();
style = style.apply(rootElement);
style = style.apply(rootElement, idMap);
Matrix transform = Matrix.getScaleInstance(SWF.unitDivisor);
processSvgObject(shapeNum, shapes, rootElement, transform, style);
processSvgObject(idMap, shapeNum, shapes, rootElement, transform, style);
} catch (SAXException | IOException | ParserConfigurationException ex) {
Logger.getLogger(ShapeImporter.class.getName()).log(Level.SEVERE, null, ex);
}
@@ -212,17 +259,17 @@ public class ShapeImporter {
return (Tag) st;
}
private void processSvgObject(int shapeNum, SHAPEWITHSTYLE shapes, Element element, Matrix transform, SvgStyle style) {
private void processSvgObject(Map<String, Element> idMap, int shapeNum, SHAPEWITHSTYLE shapes, Element element, Matrix transform, SvgStyle style) {
for (int i = 0; i < element.getChildNodes().getLength(); i++) {
Node childNode = element.getChildNodes().item(i);
if (childNode instanceof Element) {
Element childElement = (Element) childNode;
String tagName = childElement.getTagName();
SvgStyle newStyle = style.apply(childElement);
SvgStyle newStyle = style.apply(childElement, idMap);
Matrix m = Matrix.parseSvgMatrix(childElement.getAttribute("transform"), SWF.unitDivisor, 1);
Matrix m2 = m == null ? transform : m.concatenate(transform);
if ("g".equals(tagName)) {
processSvgObject(shapeNum, shapes, childElement, m2, newStyle);
processSvgObject(idMap, shapeNum, shapes, childElement, m2, newStyle);
} else if ("path".equals(tagName)) {
processPath(shapeNum, shapes, childElement, m2, newStyle);
} else if ("circle".equals(tagName)) {
@@ -250,7 +297,7 @@ public class ShapeImporter {
double x0 = 0;
double y0 = 0;
StyleChangeRecord scrStyle = getStyleChangeRecord(shapeNum, style);
StyleChangeRecord scrStyle = getStyleChangeRecord(transform, shapeNum, style);
int fillStyle = scrStyle.fillStyle1;
int lineStyle = scrStyle.lineStyle;
scrStyle.stateFillStyle0 = true;
@@ -286,7 +333,7 @@ public class ShapeImporter {
scr.moveDeltaX = (int) Math.round(p.x);
scr.moveDeltaY = (int) Math.round(p.y);
prevPoint = p;
System.out.println("M" + scr.moveDeltaX + "," + scr.moveDeltaY);
//System.out.println("M" + scr.moveDeltaX + "," + scr.moveDeltaY);
scr.stateMoveTo = true;
shapes.shapeRecords.add(scr);
@@ -311,7 +358,6 @@ public class ShapeImporter {
serl.deltaX = (int) Math.round(p.x - prevPoint.x);
serl.deltaY = (int) Math.round(p.y - prevPoint.y);
prevPoint = p;
System.out.println("L" + serl.deltaX + "," + serl.deltaY);
serl.generalLineFlag = true;
serl.simplify();
shapes.shapeRecords.add(serl);
@@ -408,6 +454,7 @@ public class ShapeImporter {
x0 = x;
y0 = y;
}
applyStyleGradients(shapes.getBounds(), scrStyle, transform, shapeNum, style);
}
private void processPath(int shapeNum, SHAPEWITHSTYLE shapes, Element childElement, Matrix transform, SvgStyle style) {
@@ -1035,7 +1082,187 @@ public class ShapeImporter {
processCommands(shapeNum, shapes, pathCommands, transform, style);
}
private StyleChangeRecord getStyleChangeRecord(int shapeNum, SvgStyle style) {
//Stub for w3 test. TODO: refactor and move to test directory. It's here because of easy access - compiling single file
private static void svgTest(String name) throws IOException, InterruptedException {
URL svgUrl = new URL("http://www.w3.org/Graphics/SVG/Test/20061213/svggen/" + name + ".svg");
byte[] svgData = Helper.readStream(svgUrl.openStream());
Helper.writeFile(name + ".original.svg", svgData);
URL pngUrl = new URL("http://www.w3.org/Graphics/SVG/Test/20061213/png/full-" + name + ".png");
byte[] pngData = Helper.readStream(pngUrl.openStream());
Helper.writeFile(name + ".original.png", pngData);
String svgDataS = new String(svgData);
//String svgDataS = Helper.readTextFile(name + ".original.svg");
SWF swf = new SWF();
DefineShape4Tag st = new DefineShape4Tag(swf);
st = (DefineShape4Tag) (new ShapeImporter().importSvg(st, svgDataS));
swf.tags.add(st);
SerializableImage si = new SerializableImage(800, 600, BufferedImage.TYPE_4BYTE_ABGR);
BitmapExporter.export(swf, st.shapes, Color.yellow, si, new Matrix(), new ColorTransform());
List<Tag> li = new ArrayList<>();
li.add(st);
ImageIO.write(si.getBufferedImage(), "PNG", new File(name + ".imported.png"));
new ShapeExporter().exportShapes(null, "./outex/", li, new ShapeExportSettings(ShapeExportMode.SVG, 1), null);
}
//Test for SVG
public static void main(String[] args) throws IOException, InterruptedException {
//svgTest("pservers-grad-01-b");
svgTest("pservers-grad-04-b");
}
private void applyStyleGradients(RECT bounds, StyleChangeRecord scr, Matrix transform, int shapeNum, SvgStyle style) {
SvgFill fill = style.getFillWithOpacity();
if (fill != null) {
if (fill instanceof SvgGradient) {
SvgGradient gfill = (SvgGradient) fill;
scr.fillStyles.fillStyles[0].gradientMatrix = Matrix.parseSvgMatrix(gfill.gradientTransform, 1, 1).toMATRIX();
if (fill instanceof SvgLinearGradient) {
SvgLinearGradient lgfill = (SvgLinearGradient) fill;
scr.fillStyles.fillStyles[0].fillStyleType = FILLSTYLE.LINEAR_GRADIENT;
scr.fillStyles.fillStyles[0].gradient = new GRADIENT();
double x1;
if (lgfill.x1.endsWith("%")) {
x1 = Double.parseDouble(lgfill.x1.substring(0, lgfill.x1.length() - 1)) / 100;
} else {
x1 = Double.parseDouble(lgfill.x1);
}
//x1 = x1 - (-819.2);
double y1;
if (lgfill.y1.endsWith("%")) {
y1 = Double.parseDouble(lgfill.y1.substring(0, lgfill.y1.length() - 1)) / 100;
} else {
y1 = Double.parseDouble(lgfill.y1);
}
double x2;
if (lgfill.x2.endsWith("%")) {
x2 = Double.parseDouble(lgfill.x2.substring(0, lgfill.x2.length() - 1)) / 100;
} else {
x2 = Double.parseDouble(lgfill.x2);
}
//x2 = x2 - 819.2;
double y2;
if (lgfill.y2.endsWith("%")) {
y2 = Double.parseDouble(lgfill.y2.substring(0, lgfill.y2.length() - 1)) / 100;
} else {
y2 = Double.parseDouble(lgfill.y2);
}
if (lgfill.gradientUnits == SvgGradientUnits.OBJECT_BOUNDING_BOX) {
x1 = bounds.Xmin + bounds.getWidth() * x1;
x2 = bounds.Xmin + bounds.getWidth() * x2;
y1 = bounds.Ymin + bounds.getHeight() * y1;
y2 = bounds.Ymin + bounds.getHeight() * y2;
} else {
x1 = x1 * SWF.unitDivisor;
y1 = y1 * SWF.unitDivisor;
x2 = x2 * SWF.unitDivisor;
y2 = y2 * SWF.unitDivisor;
}
//FIXME: make following transformations correct for "pservers-grad-04-b"
Matrix xyMatrix = new Matrix();
xyMatrix.scaleX = x2 - x1;
xyMatrix.rotateSkew0 = y2 - y1;
xyMatrix.rotateSkew1 = -xyMatrix.rotateSkew0;
xyMatrix.scaleY = xyMatrix.scaleX;
Matrix zeroStartMatrix = Matrix.getTranslateInstance(0.5, 0);
Matrix scaleMatrix = Matrix.getScaleInstance(1 / 16384.0 / 2);
Matrix transMatrix = Matrix.getTranslateInstance(x1, y1);
Matrix tMatrix = new Matrix();
tMatrix = tMatrix.preConcatenate(scaleMatrix);
tMatrix = tMatrix.preConcatenate(zeroStartMatrix);
tMatrix = tMatrix.preConcatenate(xyMatrix);
tMatrix = tMatrix.preConcatenate(transMatrix);
Point p1 = tMatrix.transform(new Point(-16384, 0));
Point p2 = tMatrix.transform(new Point(16384, 0));
tMatrix = tMatrix.preConcatenate(new Matrix(scr.fillStyles.fillStyles[0].gradientMatrix));
scr.fillStyles.fillStyles[0].gradientMatrix = tMatrix.toMATRIX();
} else if (fill instanceof SvgRadialGradient) {
SvgRadialGradient rgfill = (SvgRadialGradient) fill;
double cx;
if (rgfill.cx.endsWith("%")) {
cx = Double.parseDouble(rgfill.cx.substring(0, rgfill.cx.length() - 1)) / 100;
} else {
cx = Double.parseDouble(rgfill.cx);
}
double cy;
if (rgfill.cy.endsWith("%")) {
cy = Double.parseDouble(rgfill.cy.substring(0, rgfill.cy.length() - 1)) / 100;
} else {
cy = Double.parseDouble(rgfill.cy);
}
double r;
if (rgfill.r.endsWith("%")) {
r = Double.parseDouble(rgfill.r.substring(0, rgfill.r.length() - 1)) / 100;
} else {
r = Double.parseDouble(rgfill.r);
}
//TODO: apply cx,cy,r to matrix
double fx;
if (rgfill.fx.endsWith("%")) {
fx = Double.parseDouble(rgfill.fx.substring(0, rgfill.fx.length() - 1)) / 100;
} else {
fx = Double.parseDouble(rgfill.fx);
}
double fy;
if (rgfill.fy.endsWith("%")) {
fy = Double.parseDouble(rgfill.fy.substring(0, rgfill.fy.length() - 1)) / 100;
} else {
fy = Double.parseDouble(rgfill.fy);
}
double f = (fx / cx + fy / cy) / 2;
if (!rgfill.fx.equals(rgfill.cx) || !rgfill.fy.equals(rgfill.cy)) {
scr.fillStyles.fillStyles[0].fillStyleType = FILLSTYLE.FOCAL_RADIAL_GRADIENT;
scr.fillStyles.fillStyles[0].gradient = new FOCALGRADIENT();
FOCALGRADIENT fg = (FOCALGRADIENT) scr.fillStyles.fillStyles[0].gradient;
fg.focalPoint = (float) f;
} else {
scr.fillStyles.fillStyles[0].fillStyleType = FILLSTYLE.RADIAL_GRADIENT;
scr.fillStyles.fillStyles[0].gradient = new GRADIENT();
}
}
switch (gfill.spreadMethod) {
case PAD:
scr.fillStyles.fillStyles[0].gradient.spreadMode = GRADIENT.SPREAD_PAD_MODE;
break;
case REFLECT:
scr.fillStyles.fillStyles[0].gradient.spreadMode = GRADIENT.SPREAD_REFLECT_MODE;
break;
case REPEAT:
scr.fillStyles.fillStyles[0].gradient.spreadMode = GRADIENT.SPREAD_REPEAT_MODE;
break;
}
switch (gfill.interpolation) {
case LINEAR_RGB:
scr.fillStyles.fillStyles[0].gradient.interpolationMode = GRADIENT.INTERPOLATION_LINEAR_RGB_MODE;
break;
case SRGB:
scr.fillStyles.fillStyles[0].gradient.interpolationMode = GRADIENT.INTERPOLATION_RGB_MODE;
break;
}
scr.fillStyles.fillStyles[0].gradient.gradientRecords = new GRADRECORD[gfill.stops.size()];
for (int i = 0; i < gfill.stops.size(); i++) {
scr.fillStyles.fillStyles[0].gradient.gradientRecords[i] = new GRADRECORD();
scr.fillStyles.fillStyles[0].gradient.gradientRecords[i].inShape3 = shapeNum >= 3;
scr.fillStyles.fillStyles[0].gradient.gradientRecords[i].color = shapeNum >= 3 ? new RGBA(gfill.stops.get(i).color) : new RGB(gfill.stops.get(i).color);
scr.fillStyles.fillStyles[0].gradient.gradientRecords[i].ratio = (int) Math.round(gfill.stops.get(i).offset * 255);
}
}
}
}
private StyleChangeRecord getStyleChangeRecord(Matrix transform, int shapeNum, SvgStyle style) {
StyleChangeRecord scr = new StyleChangeRecord();
scr.stateNewStyles = true;
@@ -1046,16 +1273,12 @@ public class ShapeImporter {
if (fill != null) {
scr.fillStyles.fillStyles = new FILLSTYLE[1];
scr.fillStyles.fillStyles[0] = new FILLSTYLE();
Color colorFill = fill.toColor();
scr.fillStyles.fillStyles[0].color = shapeNum >= 3 ? new RGBA(colorFill) : new RGB(colorFill);
scr.fillStyles.fillStyles[0].fillStyleType = FILLSTYLE.SOLID;
//TODO: handle different fills
if (fill instanceof SvgColor) {
//TODO
} else if (fill instanceof SvgLinearGradient) {
//TODO
} else if (fill instanceof SvgRadialGradient) {
//TODO
Color colorFill = fill.toColor();
scr.fillStyles.fillStyles[0].color = shapeNum >= 3 ? new RGBA(colorFill) : new RGB(colorFill);
scr.fillStyles.fillStyles[0].fillStyleType = FILLSTYLE.SOLID;
} else if (fill instanceof SvgGradient) {
//...aply in second step - applyStyleGradients
}
scr.fillStyle1 = 1;
@@ -1107,7 +1330,266 @@ public class ShapeImporter {
return scr;
}
private SvgFill parseFill(String rgbStr) {
private class SvgStop implements Comparable<SvgStop> {
public Color color;
public double offset;
public SvgStop(Color color, double offset) {
this.color = color;
this.offset = offset;
}
@Override
public int compareTo(SvgStop o) {
return (int) Math.signum(offset - o.offset);
}
}
//FIXME - matrices
private SvgFill parseGradient(Map<String, Element> idMap, Element el, SvgStyle style) {
SvgGradientUnits gradientUnits = null;
String gradientTransform = null;
SvgSpreadMethod spreadMethod = null;
SvgInterpolation interpolation = null;
String x1 = null;
String y1 = null;
String x2 = null;
String y2 = null;
String cx = null;
String cy = null;
String fx = null;
String fy = null;
String r = null;
List<SvgStop> stops = new ArrayList<>();
//inheritance:
if (el.hasAttribute("xlink:href")) {
String parent = el.getAttribute("xlink:href");
if (parent.startsWith("#")) {
String parentId = parent.substring(1);
Element parent_el = idMap.get(parentId);
if (parent_el == null) {
showWarning("fillNotSupported", "Parent gradient not found.");
return new SvgColor(random.nextInt(256), random.nextInt(256), random.nextInt(256));
}
if ("linearGradient".equals(el.getTagName()) && parent_el.getTagName().equals(el.getTagName())) {
SvgLinearGradient parentFill = (SvgLinearGradient) parseGradient(idMap, parent_el, style);
gradientUnits = parentFill.gradientUnits;
gradientTransform = parentFill.gradientTransform;
spreadMethod = parentFill.spreadMethod;
x1 = parentFill.x1;
y1 = parentFill.y1;
x2 = parentFill.x2;
y2 = parentFill.y2;
interpolation = parentFill.interpolation;
stops = parentFill.stops;
}
if ("radialGradient".equals(el.getTagName()) && parent_el.getTagName().equals(el.getTagName())) {
SvgRadialGradient parentFill = (SvgRadialGradient) parseGradient(idMap, parent_el, style);
gradientUnits = parentFill.gradientUnits;
gradientTransform = parentFill.gradientTransform;
spreadMethod = parentFill.spreadMethod;
cx = parentFill.cx;
cy = parentFill.cy;
fx = parentFill.fx;
fy = parentFill.fy;
r = parentFill.r;
interpolation = parentFill.interpolation;
stops = parentFill.stops;
}
} else {
showWarning("fillNotSupported", "Parent gradient invalid.");
return new SvgColor(random.nextInt(256), random.nextInt(256), random.nextInt(256));
}
}
if (el.hasAttribute("gradientUnits")) {
switch (el.getAttribute("gradientUnits")) {
case "userSpaceOnUse":
gradientUnits = SvgGradientUnits.USER_SPACE_ON_USE;
break;
case "objectBoundingBox":
gradientUnits = SvgGradientUnits.OBJECT_BOUNDING_BOX;
break;
default:
showWarning("fillNotSupported", "Unsupported gradientUnits: " + el.getAttribute("gradientUnits"));
return new SvgColor(random.nextInt(256), random.nextInt(256), random.nextInt(256));
}
}
if (el.hasAttribute("gradientTransform")) {
gradientTransform = el.getAttribute("gradientTransform");
}
if (el.hasAttribute("spreadMethod")) {
switch (el.getAttribute("spreadMethod")) {
case "pad":
spreadMethod = SvgSpreadMethod.PAD;
break;
case "reflect":
spreadMethod = SvgSpreadMethod.REFLECT;
break;
case "repeat":
spreadMethod = SvgSpreadMethod.REPEAT;
break;
}
}
if (el.hasAttribute("x1")) {
x1 = el.getAttribute("x1").trim();
}
if (el.hasAttribute("y1")) {
y1 = el.getAttribute("y1").trim();
}
if (el.hasAttribute("x2")) {
x2 = el.getAttribute("x2").trim();
}
if (el.hasAttribute("y2")) {
y2 = el.getAttribute("y2").trim();
}
if (el.hasAttribute("cx")) {
cx = el.getAttribute("cx").trim();
}
if (el.hasAttribute("cy")) {
cy = el.getAttribute("cy").trim();
}
if (el.hasAttribute("fx")) {
fx = el.getAttribute("fx").trim();
}
if (el.hasAttribute("fy")) {
fy = el.getAttribute("fy").trim();
}
if (el.hasAttribute("r")) {
r = el.getAttribute("r").trim();
}
if (el.hasAttribute("color-interpolation") && interpolation == null) { //prefer inherit
switch (el.getAttribute("color-interpolation")) {
case "sRGB":
interpolation = SvgInterpolation.SRGB;
break;
case "linearRGB":
interpolation = SvgInterpolation.LINEAR_RGB;
break;
case "auto": //without preference, put SRGB there
interpolation = SvgInterpolation.SRGB;
break;
}
}
if (interpolation == null) {
interpolation = SvgInterpolation.SRGB;
}
if (gradientUnits == null) {
gradientUnits = SvgGradientUnits.OBJECT_BOUNDING_BOX;
}
if (spreadMethod == null) {
spreadMethod = SvgSpreadMethod.PAD;
}
if (gradientTransform == null) {
gradientTransform = "";
}
if (x1 == null) {
x1 = "0%";
}
if (y1 == null) {
y1 = "0%";
}
if (x2 == null) {
x2 = "100%";
}
if (y2 == null) {
y2 = "0%";
}
if (cx == null) {
cx = "50%";
}
if (cy == null) {
cy = "50%";
}
if (r == null) {
r = "50%";
}
if (fx == null) {
fx = cx;
}
if (fy == null) {
fy = cy;
}
NodeList stopNodes = el.getElementsByTagName("stop");
boolean stopsCleared = false;
for (int i = 0; i < stopNodes.getLength(); i++) {
Node node = stopNodes.item(i);
if (node instanceof Element) {
Element stopEl = (Element) node;
SvgStyle newStyle = style.apply(stopEl, idMap);
String offsetStr = stopEl.getAttribute("offset");
double offset;
if (offsetStr.endsWith("%")) {
offset = Double.parseDouble(offsetStr.substring(0, offsetStr.length() - 1)) / 100;
} else {
offset = Double.parseDouble(offsetStr);
}
Color color = newStyle.stopColor;
int alpha = (int) Math.round(newStyle.stopOpacity * 255);
color = new Color(color.getRed(), color.getGreen(), color.getBlue(), alpha);
if (!stopsCleared) { //It has some stop nodes -> remove all inherited stops
stopsCleared = true;
stops = new ArrayList<>();
}
stops.add(new SvgStop(color, offset));
}
}
if ("linearGradient".equals(el.getTagName())) {
SvgLinearGradient ret = new SvgLinearGradient();
ret.x1 = x1;
ret.y1 = y1;
ret.x2 = x2;
ret.y2 = y2;
ret.spreadMethod = spreadMethod;
ret.gradientTransform = gradientTransform;
ret.gradientUnits = gradientUnits;
ret.stops = stops;
ret.interpolation = interpolation;
return ret;
} else if ("radialGradient".equals(el.getTagName())) {
SvgRadialGradient ret = new SvgRadialGradient();
ret.cx = cx;
ret.cy = cy;
ret.fx = fx;
ret.fy = fy;
ret.r = r;
ret.spreadMethod = spreadMethod;
ret.gradientTransform = gradientTransform;
ret.gradientUnits = gradientUnits;
ret.stops = stops;
ret.interpolation = interpolation;
return ret;
} else {
return null;
}
}
private Color parseColor(String rgbStr) {
SvgFill fill = parseFill(new HashMap<>(), rgbStr);
return fill.toColor();
}
private SvgFill parseFill(Map<String, Element> idMap, String rgbStr) {
if (rgbStr == null) {
return null;
}
@@ -1412,6 +1894,28 @@ public class ShapeImporter {
return new SvgColor(154, 205, 50);
}
Pattern idPat = Pattern.compile("url\\(#([^)]+)\\)");
java.util.regex.Matcher mPat = idPat.matcher(rgbStr);
/*
//TODO:FIX gradient matrices, then ucomment
if (mPat.matches()) {
String elementId = mPat.group(1);
Element e = idMap.get(elementId);
if (e == null) {
showWarning("fillNotSupported", "Linked fill id not found. Random color assigned.");
return new SvgColor(random.nextInt(256), random.nextInt(256), random.nextInt(256));
}
String tagName = e.getTagName();
if ("linearGradient".equals(tagName)) {
return parseGradient(idMap, e, new SvgStyle()); //? new style
} else if ("radialGradient".equals(tagName)) {
return parseGradient(idMap, e, new SvgStyle()); //? new style
} else {
showWarning("fillNotSupported", "Unknown fill style. Random color assigned.");
return new SvgColor(random.nextInt(256), random.nextInt(256), random.nextInt(256));
}
} else */
if (rgbStr.startsWith("#")) {
String s = rgbStr.substring(1);
if (s.length() == 3) {
@@ -1444,6 +1948,7 @@ public class ShapeImporter {
}
} else {
showWarning("fillNotSupported", "Only solid fills are supported. Random color assigned.");
//showWarning("fillNotSupported", "Unknown fill style. Random color assigned.");
return new SvgColor(random.nextInt(256), random.nextInt(256), random.nextInt(256));
}
@@ -1480,42 +1985,46 @@ public class ShapeImporter {
public abstract Color toColor();
}
enum SvgInterpolation {
SRGB, LINEAR_RGB
}
abstract class SvgGradient extends SvgFill {
public List<String> gradOffsets;
public List<Color> gradColors;
public List<SvgStop> stops;
public SvgGradientUnits gradientUnits;
public String gradientTransform;
public SvgSpreadMethod spreadMethod;
public SvgInterpolation interpolation;
@Override
public Color toColor() {
if (gradColors.isEmpty()) {
if (stops.isEmpty()) {
return Color.BLACK;
}
return gradColors.get(0);
return stops.get(0).color;
}
}
class SvgLinearGradient extends SvgGradient {
public double x1;
public double y1;
public double x2;
public double y2;
public String x1;
public String y1;
public String x2;
public String y2;
//xlink?
}
class SvgRadialGradient extends SvgGradient {
public double cx;
public double cy;
public double r;
public double fx;
public double fy;
public String cx;
public String cy;
public String r;
public String fx;
public String fy;
//xlink?
}
@@ -1552,6 +2061,10 @@ public class ShapeImporter {
public SvgFill strokeFill;
public Color stopColor;
public double stopOpacity;
public double strokeWidth;
public double strokeOpacity;
@@ -1569,6 +2082,8 @@ public class ShapeImporter {
strokeWidth = 1;
strokeOpacity = 1;
opacity = 1;
stopOpacity = 1;
stopColor = null;
strokeLineCap = SvgLineCap.BUTT;
strokeLineJoin = SvgLineJoin.MITER;
strokeMiterLimit = 4;
@@ -1619,26 +2134,35 @@ public class ShapeImporter {
}
}
private void applyStyle(SvgStyle style, String name, String value) {
private void applyStyle(Map<String, Element> idMap, SvgStyle style, String name, String value) {
if (value == null || value.length() == 0) {
return;
}
switch (name) {
case "fill": {
SvgFill fill = parseFill(value);
SvgFill fill = parseFill(idMap, value);
if (fill != null) {
style.fill = fill == TRANSPARENT ? null : fill;
}
}
break;
case "stop-color": {
style.stopColor = parseColor(value);
}
break;
case "fill-opacity": {
double opacity = Double.parseDouble(value);
style.fillOpacity = opacity;
}
break;
case "stop-opacity": {
double stopOpacity = Double.parseDouble(value);
style.stopOpacity = stopOpacity;
}
break;
case "stroke": {
SvgFill strokeFill = parseFill(value);
SvgFill strokeFill = parseFill(idMap, value);
if (strokeFill != null) {
style.strokeFill = strokeFill == TRANSPARENT ? null : strokeFill;
}
@@ -1694,20 +2218,19 @@ public class ShapeImporter {
}
}
private SvgStyle apply(Element element) {
private SvgStyle apply(Element element, Map<String, Element> idMap) {
SvgStyle result = clone();
String[] styles = new String[]{
"fill", "fill-opacity",
"stroke", "stroke-width", "stroke-opacity", "stroke-linecap", "stroke-linejoin", "stroke-miterlimit",
"opacity"
"opacity", "stop-color", "stop-opacity"
};
for (String style : styles) {
if (element.hasAttribute(style)) {
String attr = element.getAttribute(style);
applyStyle(result, style, attr);
applyStyle(idMap, result, style, attr);
}
}
@@ -1715,7 +2238,7 @@ public class ShapeImporter {
String[] styleDefs = element.getAttribute("style").split(";");
for (String styleDef : styleDefs) {
String[] parts = styleDef.split(":", 2);
applyStyle(result, parts[0], parts[1].trim());
applyStyle(idMap, result, parts[0], parts[1].trim());
}
}