From 17ff038eda24f39c002be1f5cab46f7729b561da Mon Sep 17 00:00:00 2001
From: Kris De Gussem <kris.degussem@gmail.com>
Date: Fri, 12 Apr 2013 23:27:16 +0200
Subject: odg export: some work on gradients

(bzr r12276)
---
 src/extension/internal/odf.cpp | 87 +++++++++++++++++-------------------------
 1 file changed, 34 insertions(+), 53 deletions(-)

(limited to 'src/extension/internal/odf.cpp')

diff --git a/src/extension/internal/odf.cpp b/src/extension/internal/odf.cpp
index 9fc6ecfdb..70798099d 100644
--- a/src/extension/internal/odf.cpp
+++ b/src/extension/internal/odf.cpp
@@ -1315,7 +1315,7 @@ writePath(Writer &outs, Geom::PathVector const &pathv,
     return nrPoints;
 }
 
-bool OdfOutput::processStyle(Writer &outs, SPItem *item, const Glib::ustring &id, const Glib::ustring &gradientNameFill)//, Glib::ustring &styleString)
+bool OdfOutput::processStyle(Writer &outs, SPItem *item, const Glib::ustring &id, const Glib::ustring &gradientNameFill, const Glib::ustring &gradientNameStroke)
 {
     if (!item)
     {
@@ -1409,8 +1409,7 @@ bool OdfOutput::processStyle(Writer &outs, SPItem *item, const Glib::ustring &id
     styleLookupTable[id] = styleName;
 
     Glib::ustring tmpstring = Glib::ustring::compose ("<style:style style:name=\"%1\" style:family=\"graphic\" style:parent-style-name=\"standard\">\n", si.name);
-    // Glib::ustring tmpstring;
-    tmpstring += "<style:graphic-properties ";
+    tmpstring += "<style:graphic-properties";
     if (si.fill == "gradient")
     {
         tmpstring += Glib::ustring::compose (" draw:fill=\"gradient\" draw:fill-gradient-name=\"%1\"", gradientNameFill);
@@ -1420,19 +1419,22 @@ bool OdfOutput::processStyle(Writer &outs, SPItem *item, const Glib::ustring &id
         tmpstring += Glib::ustring(" draw:fill=\"") + si.fill + "\"";
         if(si.fill != "none")
         {
-            tmpstring += Glib::ustring::compose(" draw:fill-color=\"%1\" draw:fill-opacity=\"%2\"", si.fillColor, si.fillOpacity);
+            // tmpstring += Glib::ustring::compose(" draw:fill-color=\"%1\" draw:fill-opacity=\"%2\"", si.fillColor, si.fillOpacity);
+            tmpstring += Glib::ustring::compose(" draw:fill-color=\"%1\"", si.fillColor);
         }
     }
     if (si.stroke == "gradient")
     {
-        tmpstring += Glib::ustring (" draw:stroke=\"gradient\" draw:stroke-gradient-name=\"NotYetProgrammedPleaseBePatient\"");
+        //does not seem to be supported by Open Office.org
+        tmpstring += Glib::ustring::compose (" draw:stroke=\"gradient\" draw:stroke-gradient-name=\"%1\"", gradientNameStroke);
     }
     else
     {
         tmpstring += Glib::ustring(" draw:stroke=\"") + si.stroke + "\"";
         if (si.stroke != "none")
         {
-            tmpstring += Glib::ustring::compose (" svg:stroke-width=\"%1\" svg:stroke-color=\"%2\" svg:stroke-opacity=\"%3\" ", si.strokeWidth, si.strokeColor, si.strokeOpacity);
+            tmpstring += Glib::ustring::compose (" svg:stroke-width=\"%1\" svg:stroke-color=\"%2\" ", si.strokeWidth, si.strokeColor);
+            // tmpstring += Glib::ustring::compose (" svg:stroke-width=\"%1\" svg:stroke-color=\"%2\" draw:stroke-opacity=\"%3\" ", si.strokeWidth, si.strokeColor, si.strokeOpacity);
         }
     }
     tmpstring += "/>\n</style:style>\n";
@@ -1441,7 +1443,7 @@ bool OdfOutput::processStyle(Writer &outs, SPItem *item, const Glib::ustring &id
     return true;
 }
 
-bool OdfOutput::processGradient(Writer &outs, SPItem *item,
+bool OdfOutput::processGradient(SPItem *item,
                                 const Glib::ustring &id, Geom::Affine &/*tf*/,
                                 Glib::ustring& gradientName, Glib::ustring& output, bool checkFillGradient)
 {
@@ -1494,8 +1496,11 @@ bool OdfOutput::processGradient(Writer &outs, SPItem *item,
     {
         gi.style = "radial";
         SPRadialGradient *radGrad = SP_RADIALGRADIENT(gradient);
-        gi.cx = radGrad->cx.computed * 100.0;//ODG cx is percentages
-        gi.cy = radGrad->cy.computed * 100.0;
+        SPRadialGradient tmpGrad = *radGrad;
+        tmpGrad.cx.unit= SVGLength::PERCENT;
+        tmpGrad.cy.unit= SVGLength::PERCENT;
+        gi.cx = tmpGrad.cx.computed;// * 100.0;//ODG cx is percentages
+        gi.cy = tmpGrad.cy.computed;// * 100.0;
     }
     else
     {
@@ -1511,7 +1516,6 @@ bool OdfOutput::processGradient(Writer &outs, SPItem *item,
         if (gi.equals(*iter))
         {
             //map to existing gradientTable entry
-            // Glib::ustring gradientName = iter->name;
             gradientName = iter->name;
             gradientLookupTable[id] = gradientName;
             gradientMatch = true;
@@ -1525,7 +1529,6 @@ bool OdfOutput::processGradient(Writer &outs, SPItem *item,
     }
 
     // No match, let us write a new entry
-    // Glib::ustring gradientName = Glib::ustring::compose("gradient%1", gradientTable.size());
     gradientName = Glib::ustring::compose("gradient%1", gradientTable.size());
     gi.name = gradientName;
     gradientTable.push_back(gi);
@@ -1552,16 +1555,12 @@ bool OdfOutput::processGradient(Writer &outs, SPItem *item,
             return false;
         }
         output += Glib::ustring::compose("<draw:gradient draw:name=\"%1\"", gi.name);
-            // "<draw:gradient id=\"%1\" draw:name=\"%2\"\n", gi.name, gi.name);
         output += Glib::ustring::compose(" draw:display-name=\"imported linear %1\"", gradientCount);
         output += " draw:style=\"linear\"";
-        // outs.writeUString (tmpstring);
-        // outs.printf("    draw:start-color=\"#%06lx\" draw:end-color=\"#%06lx\"\n", gi.stops[0].rgb, gi.stops[1].rgb);
         snprintf(buf, 127, " draw:start-color=\"#%06lx\" draw:end-color=\"#%06lx\"", gi.stops[0].rgb, gi.stops[1].rgb);
         output += buf;
-        output += Glib::ustring::compose(" draw:start-intensity=\"%1\" draw:end-intensity=\"%2\" draw:angle=\"0\" draw:border=\"0%%\"/>\n",
-            gi.stops[0].opacity * 100.0, gi.stops[1].opacity * 100.0);
-        // outs.writeUString (tmpstring);
+        output += Glib::ustring::compose(" draw:start-intensity=\"%1\" draw:end-intensity=\"%2\" draw:angle=\"0\"/>\n",
+            gi.stops[0].opacity * 100.0, gi.stops[1].opacity * 100.0);// draw:border=\"0%%\"
     }
     else if (gi.style == "radial")
     {
@@ -1582,33 +1581,14 @@ bool OdfOutput::processGradient(Writer &outs, SPItem *item,
             g_warning("Need at least 2 stops for a radial gradient");
             return false;
         }
-        /*
-        outs.printf("<svg:radialGradient ");
-        outs.printf("id=\"%s\" ", gi.name.c_str());
-        outs.printf("draw:name=\"%s\"\n", gi.name.c_str());
-        outs.printf("    draw:display-name=\"imported radial %d\"\n",
-                    gradientCount);
-        outs.printf("    svg:gradientUnits=\"objectBoundingBox\"\n");
-        outs.printf("    svg:cx=\"%05.3f\" svg:cy=\"%05.3f\"\n",
-                    gi.cx, gi.cy);
-        outs.printf("    svg:fx=\"%05.3f\" svg:fy=\"%05.3f\"\n",
-                    gi.fx, gi.fy);
-        outs.printf("    svg:r=\"%05.3f\">\n",
-                    gi.r);
-        outs.printf("    <svg:stop\n");
-        outs.printf("        svg:stop-color=\"#%06lx\"\n",
-                    gi.stops[0].rgb);
-        outs.printf("        svg:stop-opacity=\"%f%%\"\n",
-                    gi.stops[0].opacity * 100.0);
-        outs.printf("        svg:offset=\"0\"/>\n");
-        outs.printf("    <svg:stop\n");
-        outs.printf("        svg:stop-color=\"#%06lx\"\n",
-                    gi.stops[1].rgb);
-        outs.printf("        svg:stop-opacity=\"%f%%\"\n",
-                    gi.stops[1].opacity * 100.0);
-        outs.printf("        svg:offset=\"1\"/>\n");
-        outs.printf("</svg:radialGradient>\n");
-        */
+        output += Glib::ustring::compose("<draw:gradient draw:name=\"%1\" draw:display-name=\"imported radial %2\" ", gi.name, gradientCount);
+        snprintf(buf, 127, "draw:cx=\"%05.3f\" draw:cy=\"%05.3f\" ", gi.cx, gi.cy);
+        output += Glib::ustring("draw:style=\"radial\" ") + buf;
+        snprintf(buf, 127, "draw:start-color=\"#%06lx\" draw:end-color=\"#%06lx\" ", gi.stops[0].rgb, gi.stops[1].rgb);
+        output += buf;
+        snprintf(buf, 127, "draw:start-intensity=\"%f%%\" draw:end-intensity=\"%f%%\" ", gi.stops[0].opacity*100.0, gi.stops[1].opacity*100.0);
+        output += buf;
+        output += "/>\n";//draw:border=\"0%\"
     }
     else
     {
@@ -1709,13 +1689,14 @@ bool OdfOutput::writeTree(Writer &couts, Writer &souts,
     Glib::ustring gradientNameStroke;
     Glib::ustring outputFill;
     Glib::ustring outputStroke;
-	// Glib::ustring styleString;
-	
-    processGradient(souts, item, id, tf, gradientNameFill, outputFill, 1);
+    
+    processGradient(item, id, tf, gradientNameFill, outputFill, 1);
+    processGradient(item, id, tf, gradientNameStroke, outputStroke, 0);
     souts.writeUString(outputFill);
+    souts.writeUString(outputStroke);
     
     //# STYLE
-    processStyle(souts, item, id, gradientNameFill);//, styleString);
+    processStyle(souts, item, id, gradientNameFill, gradientNameStroke);
 
 
     //# ITEM DATA
@@ -1806,7 +1787,7 @@ bool OdfOutput::writeTree(Writer &couts, Writer &souts,
             Glib::ustring styleName = siter->second;
             couts.printf("draw:style-name=\"%s\" ", styleName.c_str());
         }
-		// couts.writeUString(styleString);
+        // couts.writeUString(styleString);
 
         // std::map<Glib::ustring, Glib::ustring>::iterator giter;
         // giter = gradientLookupTable.find(id);
@@ -1821,10 +1802,10 @@ bool OdfOutput::writeTree(Writer &couts, Writer &souts,
                        bbox_x, bbox_y);
         couts.printf("svg:width=\"%.3fcm\" svg:height=\"%.3fcm\" ",
                        bbox_width, bbox_height);
-        couts.printf("svg:viewBox=\"0.0 0.0 %.3f %.3f\"\n",
+        couts.printf("svg:viewBox=\"0.0 0.0 %.3f %.3f\"",
                        bbox_width * 1000.0, bbox_height * 1000.0);
 
-        couts.printf("    svg:d=\"");
+        couts.printf(" svg:d=\"");
         int nrPoints = writePath(couts, curve->get_pathvector(),
                              tf, bbox_x, bbox_y);
         couts.writeString("\"");
@@ -1915,9 +1896,9 @@ bool OdfOutput::writeStyleFooter(Writer &outs)
     outs.writeString("<!-- ####### 'Standard' styles ####### -->\n");
     outs.writeString("<style:style style:name=\"dp1\" style:family=\"drawing-page\"/>\n");
     outs.writeString("<style:style style:name=\"standard\" style:family=\"graphic\">\n");
-	
+    
 ///TODO: add default document style here
-	
+    
     outs.writeString("</style:style>\n");
     outs.writeString("<style:style style:name=\"gr1\" style:family=\"graphic\" style:parent-style-name=\"standard\">\n");
     outs.writeString("  <style:graphic-properties draw:stroke=\"none\" draw:fill=\"none\"\n");
-- 
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