index 8e224b4dcad5eedaab80fc5eb39c20f8c1be1908..01b8e64b5b3c91732fc4027c83c2fb853b20bbd7 100644 (file)
* http://www.povray.org
*
* Authors:
- * Bob Jamison <ishmalius@gmail.com>
+ * Bob Jamison <ishmal@inkscape.org>
*
- * Copyright (C) 2004-2007 Authors
+ * Copyright (C) 2004-2008 Authors
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
# include <config.h>
#endif
#include "pov-out.h"
-#include "inkscape.h"
-#include "sp-path.h"
+#include <inkscape.h>
+#include <inkscape_version.h>
+#include <sp-path.h>
#include <style.h>
-#include "display/curve.h"
-#include "libnr/n-art-bpath.h"
-#include "extension/system.h"
-
-#include "io/sys.h"
+#include <display/curve.h>
+#include <extension/system.h>
+#include <2geom/pathvector.h>
+#include <2geom/rect.h>
+#include <2geom/bezier-curve.h>
+#include <2geom/hvlinesegment.h>
+#include "helper/geom.h"
+#include <io/sys.h>
#include <string>
#include <stdio.h>
+#include <stdarg.h>
namespace Inkscape
namespace Internal
{
-typedef std::string String;
+
+
+
+//########################################################################
+//# U T I L I T Y
+//########################################################################
+
/**
}
-/**
- * used for saving information about shapes
- */
-class PovShapeInfo
-{
-public:
- PovShapeInfo()
- {}
- PovShapeInfo(const PovShapeInfo &other)
- { assign(other); }
- PovShapeInfo operator=(const PovShapeInfo &other)
- { assign(other); return *this; }
- virtual ~PovShapeInfo()
- {}
- String id;
- String color;
-
-private:
- void assign(const PovShapeInfo &other)
- {
- id = other.id;
- color = other.color;
- }
-};
}
+
+
+
//########################################################################
//# OUTPUT FORMATTING
//########################################################################
-static const char *formatDouble(gchar *sbuffer, double d)
-{
- return (const char *)g_ascii_formatd(sbuffer,
- G_ASCII_DTOSTR_BUF_SIZE, "%.8g", (gdouble)d);
+/**
+ * We want to control floating output format
+ */
+static PovOutput::String dstr(double d)
+{
+ char dbuf[G_ASCII_DTOSTR_BUF_SIZE+1];
+ g_ascii_formatd(dbuf, G_ASCII_DTOSTR_BUF_SIZE,
+ "%.8f", (gdouble)d);
+ PovOutput::String s = dbuf;
+ return s;
}
+
+
/**
- * Not-threadsafe version
+ * Output data to the buffer, printf()-style
*/
-static char _dstr_buf[G_ASCII_DTOSTR_BUF_SIZE+1];
-
-static const char *dstr(double d)
+void PovOutput::out(const char *fmt, ...)
{
- return formatDouble(_dstr_buf, d);
+ va_list args;
+ va_start(args, fmt);
+ gchar *output = g_strdup_vprintf(fmt, args);
+ va_end(args);
+ outbuf.append(output);
+ g_free(output);
}
-static String vec2Str(double a, double b)
+
+/**
+ * Output a 2d vector
+ */
+void PovOutput::vec2(double a, double b)
{
- String str;
- str.append("<");
- str.append(dstr(a));
- str.append(", ");
- str.append(dstr(b));
- str.append(">");
- return str;
+ out("<%s, %s>", dstr(a).c_str(), dstr(b).c_str());
}
-/*
-static String vec3Str(double a, double b, double c)
+
+
+/**
+ * Output a 3d vector
+ */
+void PovOutput::vec3(double a, double b, double c)
{
- String str;
- str.append("<");
- str.append(dstr(a));
- str.append(", ");
- str.append(dstr(b));
- str.append(", ");
- str.append(dstr(c));
- str.append(">");
- return str;
+ out("<%s, %s, %s>", dstr(a).c_str(), dstr(b).c_str(), dstr(c).c_str());
}
-*/
-static String vec4Str(double a, double b, double c, double d)
+
+
+/**
+ * Output a v4d ector
+ */
+void PovOutput::vec4(double a, double b, double c, double d)
{
- String str;
- str.append("<");
- str.append(dstr(a));
- str.append(", ");
- str.append(dstr(b));
- str.append(", ");
- str.append(dstr(c));
- str.append(", ");
- str.append(dstr(d));
- str.append(">");
- return str;
+ out("<%s, %s, %s, %s>", dstr(a).c_str(), dstr(b).c_str(),
+ dstr(c).c_str(), dstr(d).c_str());
}
-static String formatRgbf(double r, double g, double b, double f)
+
+/**
+ * Output an rgbf color vector
+ */
+void PovOutput::rgbf(double r, double g, double b, double f)
{
//"rgbf < %1.3f, %1.3f, %1.3f %1.3f>"
- String str;
- str.append("rgbf ");
- str.append(vec4Str(r, g, b, f));
- return str;
+ out("rgbf ");
+ vec4(r, g, b, f);
}
-static String formatSeg(int segNr, double a0, double a1,
- double b0, double b1,
- double c0, double c1,
- double d0, double d1)
+
+
+/**
+ * Output one bezier's start, start-control, end-control, and end nodes
+ */
+void PovOutput::segment(int segNr,
+ double startX, double startY,
+ double startCtrlX, double startCtrlY,
+ double endCtrlX, double endCtrlY,
+ double endX, double endY)
{
//" /*%4d*/ <%f, %f>, <%f, %f>, <%f,%f>, <%f,%f>"
- String str;
- char buf[32];
- snprintf(buf, 31, " /*%4d*/ ", segNr);
- str.append(buf);
- str.append(vec2Str(a0, a1));
- str.append(", ");
- str.append(vec2Str(b0, b1));
- str.append(", ");
- str.append(vec2Str(c0, c1));
- str.append(", ");
- str.append(vec2Str(d0, d1));
- return str;
+ out(" /*%4d*/ ", segNr);
+ vec2(startX, startY);
+ out(", ");
+ vec2(startCtrlX, startCtrlY);
+ out(", ");
+ vec2(endCtrlX, endCtrlY);
+ out(", ");
+ vec2(endX, endY);
}
-
-//########################################################################
-//# M A I N O U T P U T
-//########################################################################
-
-
/**
- * Saves the <paths> of an Inkscape SVG file as PovRay spline definitions
-*/
-void
-PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *uri)
+ * Output the file header
+ */
+bool PovOutput::doHeader()
{
- std::vector<Inkscape::XML::Node *>results;
- //findElementsByTagName(results, SP_ACTIVE_DOCUMENT->rroot, "path");
- findElementsByTagName(results, SP_ACTIVE_DOCUMENT->rroot, NULL);//Check all nodes
- if (results.size() == 0)
- return;
+ time_t tim = time(NULL);
+ out("/*###################################################################\n");
+ out("### This PovRay document was generated by Inkscape\n");
+ out("### http://www.inkscape.org\n");
+ out("### Created: %s", ctime(&tim));
+ out("### Version: %s\n", INKSCAPE_VERSION);
+ out("#####################################################################\n");
+ out("### NOTES:\n");
+ out("### ============\n");
+ out("### POVRay information can be found at\n");
+ out("### http://www.povray.org\n");
+ out("###\n");
+ out("### The 'AllShapes' objects at the bottom are provided as a\n");
+ out("### preview of how the output would look in a trace. However,\n");
+ out("### the main intent of this file is to provide the individual\n");
+ out("### shapes for inclusion in a POV project.\n");
+ out("###\n");
+ out("### For an example of how to use this file, look at\n");
+ out("### share/examples/istest.pov\n");
+ out("###\n");
+ out("### If you have any problems with this output, please see the\n");
+ out("### Inkscape project at http://www.inkscape.org, or visit\n");
+ out("### the #inkscape channel on irc.freenode.net . \n");
+ out("###\n");
+ out("###################################################################*/\n");
+ out("\n\n");
+ out("/*###################################################################\n");
+ out("## Exports in this file\n");
+ out("##==========================\n");
+ out("## Shapes : %d\n", nrShapes);
+ out("## Segments : %d\n", nrSegments);
+ out("## Nodes : %d\n", nrNodes);
+ out("###################################################################*/\n");
+ out("\n\n\n");
+ return true;
+}
- Inkscape::IO::dump_fopen_call(uri, "L");
- FILE *f = Inkscape::IO::fopen_utf8name(uri, "w");
- if (!f)
- return;
- time_t tim = time(NULL);
- fprintf(f, "/*###################################################################\n");
- fprintf(f, "### This PovRay document was generated by Inkscape\n");
- fprintf(f, "### http://www.inkscape.org\n");
- fprintf(f, "### Created: %s", ctime(&tim));
- fprintf(f, "### Version: %s\n", VERSION);
- fprintf(f, "#####################################################################\n");
- fprintf(f, "### NOTES:\n");
- fprintf(f, "### ============\n");
- fprintf(f, "### POVRay information can be found at\n");
- fprintf(f, "### http://www.povray.org\n");
- fprintf(f, "###\n");
- fprintf(f, "### The 'AllShapes' objects at the bottom are provided as a\n");
- fprintf(f, "### preview of how the output would look in a trace. However,\n");
- fprintf(f, "### the main intent of this file is to provide the individual\n");
- fprintf(f, "### shapes for inclusion in a POV project.\n");
- fprintf(f, "###\n");
- fprintf(f, "### For an example of how to use this file, look at\n");
- fprintf(f, "### share/examples/istest.pov\n");
- fprintf(f, "####################################################################*/\n\n\n");
-
- //A list for saving information about the shapes
- std::vector<PovShapeInfo>povShapes;
- double bignum = 1000000.0;
- double minx = bignum;
- double maxx = -bignum;
- double miny = bignum;
- double maxy = -bignum;
+/**
+ * Output the file footer
+ */
+bool PovOutput::doTail()
+{
+ out("\n\n");
+ out("/*###################################################################\n");
+ out("### E N D F I L E\n");
+ out("###################################################################*/\n");
+ out("\n\n");
+ return true;
+}
- for (unsigned int indx = 0; indx < results.size() ; indx++)
- {
- //### Fetch the object from the repr info
- Inkscape::XML::Node *rpath = results[indx];
- char *str = (char *) rpath->attribute("id");
- if (!str)
- continue;
- String id = str;
- SPObject *reprobj = SP_ACTIVE_DOCUMENT->getObjectByRepr(rpath);
- if (!reprobj)
- continue;
- //### Get the transform of the item
- if (!SP_IS_ITEM(reprobj))
- continue;
+/**
+ * Output the curve data to buffer
+ */
+bool PovOutput::doCurve(SPItem *item, const String &id)
+{
+ using Geom::X;
+ using Geom::Y;
- SPItem *item = SP_ITEM(reprobj);
- NR::Matrix tf = sp_item_i2d_affine(item);
+ //### Get the Shape
+ if (!SP_IS_SHAPE(item))//Bulia's suggestion. Allow all shapes
+ return true;
- //### Get the Shape
- if (!SP_IS_SHAPE(reprobj))//Bulia's suggestion. Allow all shapes
- continue;
+ SPShape *shape = SP_SHAPE(item);
+ SPCurve *curve = shape->curve;
+ if (curve->is_empty())
+ return true;
- SPShape *shape = SP_SHAPE(reprobj);
- SPCurve *curve = shape->curve;
- if (sp_curve_empty(curve))
- continue;
+ nrShapes++;
- PovShapeInfo shapeInfo;
- shapeInfo.id = id;
- shapeInfo.color = "";
+ PovShapeInfo shapeInfo;
+ shapeInfo.id = id;
+ shapeInfo.color = "";
- //Try to get the fill color of the shape
- SPStyle *style = SP_OBJECT_STYLE(shape);
- /* fixme: Handle other fill types, even if this means translating gradients to a single
+ //Try to get the fill color of the shape
+ SPStyle *style = SP_OBJECT_STYLE(shape);
+ /* fixme: Handle other fill types, even if this means translating gradients to a single
flat colour. */
- if (style && (style->fill.type == SP_PAINT_TYPE_COLOR))
+ if (style)
+ {
+ if (style->fill.isColor())
{
// see color.h for how to parse SPColor
float rgb[3];
@@ -303,229 +295,333 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
* effective_opacity(shape) );
//gchar *str = g_strdup_printf("rgbf < %1.3f, %1.3f, %1.3f %1.3f>",
// rgb[0], rgb[1], rgb[2], 1.0 - dopacity);
- shapeInfo.color += formatRgbf(rgb[0], rgb[1], rgb[2], 1.0 - dopacity);
+ String rgbf = "rgbf <";
+ rgbf.append(dstr(rgb[0])); rgbf.append(", ");
+ rgbf.append(dstr(rgb[1])); rgbf.append(", ");
+ rgbf.append(dstr(rgb[2])); rgbf.append(", ");
+ rgbf.append(dstr(1.0 - dopacity)); rgbf.append(">");
+ shapeInfo.color += rgbf;
}
+ }
- povShapes.push_back(shapeInfo); //passed all tests. save the info
-
- int curveLength = SP_CURVE_LENGTH(curve);
-
- //Count the NR_CURVETOs/LINETOs
- int segmentCount=0;
- NArtBpath *bp = SP_CURVE_BPATH(curve);
- for (int curveNr=0 ; curveNr<curveLength ; curveNr++, bp++)
- if (bp->code == NR_CURVETO || bp->code == NR_LINETO)
- segmentCount++;
-
- double cminx = bignum;
- double cmaxx = -bignum;
- double cminy = bignum;
- double cmaxy = -bignum;
- double lastx = 0.0;
- double lasty = 0.0;
-
- fprintf(f, "/*###################################################\n");
- fprintf(f, "### PRISM: %s\n", id.c_str());
- fprintf(f, "###################################################*/\n");
- fprintf(f, "#declare %s = prism {\n", id.c_str());
- fprintf(f, " linear_sweep\n");
- fprintf(f, " bezier_spline\n");
- fprintf(f, " 1.0, //top\n");
- fprintf(f, " 0.0, //bottom\n");
- fprintf(f, " %d, //nr points\n", segmentCount * 4);
- int segmentNr = 0;
- bp = SP_CURVE_BPATH(curve);
- for (int curveNr=0 ; curveNr < curveLength ; curveNr++)
- {
- using NR::X;
- using NR::Y;
- NR::Point const p1(bp->c(1) * tf);
- NR::Point const p2(bp->c(2) * tf);
- NR::Point const p3(bp->c(3) * tf);
- double const x1 = p1[X], y1 = p1[Y];
- double const x2 = p2[X], y2 = p2[Y];
- double const x3 = p3[X], y3 = p3[Y];
-
- switch (bp->code)
+ povShapes.push_back(shapeInfo); //passed all tests. save the info
+
+ // convert the path to only lineto's and cubic curveto's:
+ Geom::Matrix tf = sp_item_i2d_affine(item);
+ Geom::PathVector pathv = pathv_to_linear_and_cubic_beziers( curve->get_pathvector() * tf );
+
+ //Count the NR_CURVETOs/LINETOs (including closing line segment)
+ int segmentCount = 0;
+ for(Geom::PathVector::const_iterator it = pathv.begin(); it != pathv.end(); ++it)
+ {
+ segmentCount += (*it).size();
+ if (it->closed())
+ segmentCount += 1;
+ }
+
+ out("/*###################################################\n");
+ out("### PRISM: %s\n", id.c_str());
+ out("###################################################*/\n");
+ out("#declare %s = prism {\n", id.c_str());
+ out(" linear_sweep\n");
+ out(" bezier_spline\n");
+ out(" 1.0, //top\n");
+ out(" 0.0, //bottom\n");
+ out(" %d //nr points\n", segmentCount * 4);
+ int segmentNr = 0;
+
+ nrSegments += segmentCount;
+
+ /**
+ * at moment of writing, 2geom lacks proper initialization of empty intervals in rect...
+ */
+ Geom::Rect cminmax( pathv.front().initialPoint(), pathv.front().initialPoint() );
+
+
+ /**
+ * For all Subpaths in the <path>
+ */
+ for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit)
+ {
+
+ cminmax.expandTo(pit->initialPoint());
+
+ /**
+ * For all segments in the subpath
+ */
+ for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_closed(); ++cit)
+ {
+
+ if( dynamic_cast<Geom::LineSegment const *> (&*cit) ||
+ dynamic_cast<Geom::HLineSegment const *>(&*cit) ||
+ dynamic_cast<Geom::VLineSegment const *>(&*cit) )
{
- case NR_MOVETO:
- case NR_MOVETO_OPEN:
- {
- //fprintf(f, "moveto: %f %f\n", bp->x3, bp->y3);
- break;
- }
- case NR_CURVETO:
- {
- //fprintf(f, " /*%4d*/ <%f, %f>, <%f, %f>, <%f,%f>, <%f,%f>",
- // segmentNr++, lastx, lasty, x1, y1, x2, y2, x3, y3);
- String seg = formatSeg(segmentNr++,
- lastx, lasty, x1, y1, x2, y2, x3, y3);
- fprintf(f, "%s", seg.c_str());
-
- if (segmentNr < segmentCount)
- fprintf(f, ",\n");
- else
- fprintf(f, "\n");
-
- if (lastx < cminx)
- cminx = lastx;
- if (lastx > cmaxx)
- cmaxx = lastx;
- if (lasty < cminy)
- cminy = lasty;
- if (lasty > cmaxy)
- cmaxy = lasty;
- break;
- }
- case NR_LINETO:
- {
- //fprintf(f, " /*%4d*/ <%f, %f>, <%f, %f>, <%f,%f>, <%f,%f>",
- // segmentNr++, lastx, lasty, lastx, lasty, x3, y3, x3, y3);
- String seg = formatSeg(segmentNr++,
- lastx, lasty, lastx, lasty, x3, y3, x3, y3);
- fprintf(f, "%s", seg.c_str());
-
- if (segmentNr < segmentCount)
- fprintf(f, ",\n");
- else
- fprintf(f, "\n");
-
- //fprintf(f, "lineto\n");
- if (lastx < cminx)
- cminx = lastx;
- if (lastx > cmaxx)
- cmaxx = lastx;
- if (lasty < cminy)
- cminy = lasty;
- if (lasty > cmaxy)
- cmaxy = lasty;
- break;
- }
- case NR_END:
- {
- //fprintf(f, "end\n");
- break;
- }
+ Geom::Point p0 = cit->initialPoint();
+ Geom::Point p1 = cit->finalPoint();
+ segment(segmentNr++,
+ p0[X], p0[Y], p0[X], p0[Y], p1[X], p1[Y], p1[X], p1[Y] );
+ nrNodes += 8;
+ }
+ else if(Geom::CubicBezier const *cubic = dynamic_cast<Geom::CubicBezier const*>(&*cit))
+ {
+ std::vector<Geom::Point> points = cubic->points();
+ Geom::Point p0 = points[0];
+ Geom::Point p1 = points[1];
+ Geom::Point p2 = points[2];
+ Geom::Point p3 = points[3];
+ segment(segmentNr++,
+ p0[X],p0[Y], p1[X],p1[Y], p2[X],p2[Y], p3[X],p3[Y]);
+ nrNodes += 8;
}
- lastx = x3;
- lasty = y3;
- bp++;
+ else
+ {
+ g_warning("logical error, because pathv_to_linear_and_cubic_beziers was used");
+ return false;
+ }
+
+ if (segmentNr < segmentCount)
+ out(",\n");
+ else
+ out("\n");
+
+ cminmax.expandTo(cit->finalPoint());
+
}
- fprintf(f, "}\n");
-
-
- char *pfx = (char *)id.c_str();
-
- fprintf(f, "#declare %s_MIN_X = %s;\n", pfx, dstr(cminx));
- fprintf(f, "#declare %s_CENTER_X = %s;\n", pfx, dstr((cmaxx+cminx)/2.0));
- fprintf(f, "#declare %s_MAX_X = %s;\n", pfx, dstr(cmaxx));
- fprintf(f, "#declare %s_WIDTH = %s;\n", pfx, dstr(cmaxx-cminx));
- fprintf(f, "#declare %s_MIN_Y = %s;\n", pfx, dstr(cminy));
- fprintf(f, "#declare %s_CENTER_Y = %s;\n", pfx, dstr((cmaxy+cminy)/2.0));
- fprintf(f, "#declare %s_MAX_Y = %s;\n", pfx, dstr(cmaxy));
- fprintf(f, "#declare %s_HEIGHT = %s;\n", pfx, dstr(cmaxy-cminy));
- if (shapeInfo.color.length()>0)
- fprintf(f, "#declare %s_COLOR = %s;\n",
- pfx, shapeInfo.color.c_str());
- fprintf(f, "/*###################################################\n");
- fprintf(f, "### end %s\n", id.c_str());
- fprintf(f, "###################################################*/\n\n\n\n");
- if (cminx < minx)
- minx = cminx;
- if (cmaxx > maxx)
- maxx = cmaxx;
- if (cminy < miny)
- miny = cminy;
- if (cmaxy > maxy)
- maxy = cmaxy;
-
- }//for
+ }
+
+ out("}\n");
+
+ double cminx = cminmax.min()[X];
+ double cmaxx = cminmax.max()[X];
+ double cminy = cminmax.min()[Y];
+ double cmaxy = cminmax.max()[Y];
+
+ out("#declare %s_MIN_X = %s;\n", id.c_str(), dstr(cminx).c_str());
+ out("#declare %s_CENTER_X = %s;\n", id.c_str(), dstr((cmaxx+cminx)/2.0).c_str());
+ out("#declare %s_MAX_X = %s;\n", id.c_str(), dstr(cmaxx).c_str());
+ out("#declare %s_WIDTH = %s;\n", id.c_str(), dstr(cmaxx-cminx).c_str());
+ out("#declare %s_MIN_Y = %s;\n", id.c_str(), dstr(cminy).c_str());
+ out("#declare %s_CENTER_Y = %s;\n", id.c_str(), dstr((cmaxy+cminy)/2.0).c_str());
+ out("#declare %s_MAX_Y = %s;\n", id.c_str(), dstr(cmaxy).c_str());
+ out("#declare %s_HEIGHT = %s;\n", id.c_str(), dstr(cmaxy-cminy).c_str());
+ if (shapeInfo.color.length()>0)
+ out("#declare %s_COLOR = %s;\n",
+ id.c_str(), shapeInfo.color.c_str());
+ out("/*###################################################\n");
+ out("### end %s\n", id.c_str());
+ out("###################################################*/\n\n\n\n");
+
+ if (cminx < minx)
+ minx = cminx;
+ if (cmaxx > maxx)
+ maxx = cmaxx;
+ if (cminy < miny)
+ miny = cminy;
+ if (cmaxy > maxy)
+ maxy = cmaxy;
+
+ return true;
+}
+
+/**
+ * Output the curve data to buffer
+ */
+bool PovOutput::doCurvesRecursive(SPDocument *doc, Inkscape::XML::Node *node)
+{
+ /**
+ * If the object is an Item, try processing it
+ */
+ char *str = (char *) node->attribute("id");
+ SPObject *reprobj = doc->getObjectByRepr(node);
+ if (SP_IS_ITEM(reprobj) && str)
+ {
+ SPItem *item = SP_ITEM(reprobj);
+ String id = str;
+ if (!doCurve(item, id))
+ return false;
+ }
+
+ /**
+ * Descend into children
+ */
+ for (Inkscape::XML::Node *child = node->firstChild() ; child ;
+ child = child->next())
+ {
+ if (!doCurvesRecursive(doc, child))
+ return false;
+ }
+ return true;
+}
+/**
+ * Output the curve data to buffer
+ */
+bool PovOutput::doCurves(SPDocument *doc)
+{
+ double bignum = 1000000.0;
+ minx = bignum;
+ maxx = -bignum;
+ miny = bignum;
+ maxy = -bignum;
+
+ if (!doCurvesRecursive(doc, doc->rroot))
+ return false;
//## Let's make a union of all of the Shapes
if (povShapes.size()>0)
{
String id = "AllShapes";
char *pfx = (char *)id.c_str();
- fprintf(f, "/*###################################################\n");
- fprintf(f, "### UNION OF ALL SHAPES IN DOCUMENT\n");
- fprintf(f, "###################################################*/\n");
- fprintf(f, "\n\n");
- fprintf(f, "/**\n");
- fprintf(f, " * Allow the user to redefine the finish{}\n");
- fprintf(f, " * by declaring it before #including this file\n");
- fprintf(f, " */\n");
- fprintf(f, "#ifndef (%s_Finish)\n", pfx);
- fprintf(f, "#declare %s_Finish = finish {\n", pfx);
- fprintf(f, " phong 0.5\n");
- fprintf(f, " reflection 0.3\n");
- fprintf(f, " specular 0.5\n");
- fprintf(f, "}\n");
- fprintf(f, "#end\n");
- fprintf(f, "\n\n");
- fprintf(f, "#declare %s = union {\n", id.c_str());
+ out("/*###################################################\n");
+ out("### UNION OF ALL SHAPES IN DOCUMENT\n");
+ out("###################################################*/\n");
+ out("\n\n");
+ out("/**\n");
+ out(" * Allow the user to redefine the finish{}\n");
+ out(" * by declaring it before #including this file\n");
+ out(" */\n");
+ out("#ifndef (%s_Finish)\n", pfx);
+ out("#declare %s_Finish = finish {\n", pfx);
+ out(" phong 0.5\n");
+ out(" reflection 0.3\n");
+ out(" specular 0.5\n");
+ out("}\n");
+ out("#end\n");
+ out("\n\n");
+ out("#declare %s = union {\n", id.c_str());
for (unsigned i = 0 ; i < povShapes.size() ; i++)
{
- fprintf(f, " object { %s\n", povShapes[i].id.c_str());
- fprintf(f, " texture { \n");
+ out(" object { %s\n", povShapes[i].id.c_str());
+ out(" texture { \n");
if (povShapes[i].color.length()>0)
- fprintf(f, " pigment { %s }\n", povShapes[i].color.c_str());
+ out(" pigment { %s }\n", povShapes[i].color.c_str());
else
- fprintf(f, " pigment { rgb <0,0,0> }\n");
- fprintf(f, " finish { %s_Finish }\n", pfx);
- fprintf(f, " } \n");
- fprintf(f, " } \n");
+ out(" pigment { rgb <0,0,0> }\n");
+ out(" finish { %s_Finish }\n", pfx);
+ out(" } \n");
+ out(" } \n");
}
- fprintf(f, "}\n\n\n\n");
+ out("}\n\n\n\n");
double zinc = 0.2 / (double)povShapes.size();
- fprintf(f, "/*#### Same union, but with Z-diffs (actually Y in pov) ####*/\n");
- fprintf(f, "\n\n");
- fprintf(f, "/**\n");
- fprintf(f, " * Allow the user to redefine the Z-Increment\n");
- fprintf(f, " */\n");
- fprintf(f, "#ifndef (AllShapes_Z_Increment)\n");
- fprintf(f, "#declare AllShapes_Z_Increment = %s;\n", dstr(zinc));
- fprintf(f, "#end\n");
- fprintf(f, "\n");
- fprintf(f, "#declare AllShapes_Z_Scale = 1.0;\n");
- fprintf(f, "\n\n");
- fprintf(f, "#declare %s_Z = union {\n", pfx);
+ out("/*#### Same union, but with Z-diffs (actually Y in pov) ####*/\n");
+ out("\n\n");
+ out("/**\n");
+ out(" * Allow the user to redefine the Z-Increment\n");
+ out(" */\n");
+ out("#ifndef (AllShapes_Z_Increment)\n");
+ out("#declare AllShapes_Z_Increment = %s;\n", dstr(zinc).c_str());
+ out("#end\n");
+ out("\n");
+ out("#declare AllShapes_Z_Scale = 1.0;\n");
+ out("\n\n");
+ out("#declare %s_Z = union {\n", pfx);
for (unsigned i = 0 ; i < povShapes.size() ; i++)
{
- fprintf(f, " object { %s\n", povShapes[i].id.c_str());
- fprintf(f, " texture { \n");
+ out(" object { %s\n", povShapes[i].id.c_str());
+ out(" texture { \n");
if (povShapes[i].color.length()>0)
- fprintf(f, " pigment { %s }\n", povShapes[i].color.c_str());
+ out(" pigment { %s }\n", povShapes[i].color.c_str());
else
- fprintf(f, " pigment { rgb <0,0,0> }\n");
- fprintf(f, " finish { %s_Finish }\n", pfx);
- fprintf(f, " } \n");
- fprintf(f, " scale <1, %s_Z_Scale, 1>\n", pfx);
- fprintf(f, " } \n");
- fprintf(f, "#declare %s_Z_Scale = %s_Z_Scale + %s_Z_Increment;\n\n",
+ out(" pigment { rgb <0,0,0> }\n");
+ out(" finish { %s_Finish }\n", pfx);
+ out(" } \n");
+ out(" scale <1, %s_Z_Scale, 1>\n", pfx);
+ out(" } \n");
+ out("#declare %s_Z_Scale = %s_Z_Scale + %s_Z_Increment;\n\n",
pfx, pfx, pfx);
}
- fprintf(f, "}\n");
-
- fprintf(f, "#declare %s_MIN_X = %s;\n", pfx, dstr(minx));
- fprintf(f, "#declare %s_CENTER_X = %s;\n", pfx, dstr((maxx+minx)/2.0));
- fprintf(f, "#declare %s_MAX_X = %s;\n", pfx, dstr(maxx));
- fprintf(f, "#declare %s_WIDTH = %s;\n", pfx, dstr(maxx-minx));
- fprintf(f, "#declare %s_MIN_Y = %s;\n", pfx, dstr(miny));
- fprintf(f, "#declare %s_CENTER_Y = %s;\n", pfx, dstr((maxy+miny)/2.0));
- fprintf(f, "#declare %s_MAX_Y = %s;\n", pfx, dstr(maxy));
- fprintf(f, "#declare %s_HEIGHT = %s;\n", pfx, dstr(maxy-miny));
- fprintf(f, "/*##############################################\n");
- fprintf(f, "### end %s\n", id.c_str());
- fprintf(f, "##############################################*/\n\n\n\n");
+ out("}\n");
+
+ out("#declare %s_MIN_X = %s;\n", pfx, dstr(minx).c_str());
+ out("#declare %s_CENTER_X = %s;\n", pfx, dstr((maxx+minx)/2.0).c_str());
+ out("#declare %s_MAX_X = %s;\n", pfx, dstr(maxx).c_str());
+ out("#declare %s_WIDTH = %s;\n", pfx, dstr(maxx-minx).c_str());
+ out("#declare %s_MIN_Y = %s;\n", pfx, dstr(miny).c_str());
+ out("#declare %s_CENTER_Y = %s;\n", pfx, dstr((maxy+miny)/2.0).c_str());
+ out("#declare %s_MAX_Y = %s;\n", pfx, dstr(maxy).c_str());
+ out("#declare %s_HEIGHT = %s;\n", pfx, dstr(maxy-miny).c_str());
+ out("/*##############################################\n");
+ out("### end %s\n", id.c_str());
+ out("##############################################*/\n");
+ out("\n\n");
+ }
+
+ return true;
+}
+
+
+//########################################################################
+//# M A I N O U T P U T
+//########################################################################
+
+
+
+/**
+ * Set values back to initial state
+ */
+void PovOutput::reset()
+{
+ nrNodes = 0;
+ nrSegments = 0;
+ nrShapes = 0;
+ outbuf.clear();
+ povShapes.clear();
+}
+
+
+
+/**
+ * Saves the Shapes of an Inkscape SVG file as PovRay spline definitions
+ */
+void PovOutput::saveDocument(SPDocument *doc, gchar const *uri)
+{
+ reset();
+
+ //###### SAVE IN POV FORMAT TO BUFFER
+ //# Lets do the curves first, to get the stats
+ if (!doCurves(doc))
+ {
+ g_warning("Could not output curves for %s\n", uri);
+ return;
+ }
+
+ String curveBuf = outbuf;
+ outbuf.clear();
+
+ if (!doHeader())
+ {
+ g_warning("Could not write header for %s\n", uri);
+ return;
+ }
+
+ outbuf.append(curveBuf);
+
+ if (!doTail())
+ {
+ g_warning("Could not write footer for %s\n", uri);
+ return;
+ }
+
+
+
+
+ //###### WRITE TO FILE
+ Inkscape::IO::dump_fopen_call(uri, "L");
+ FILE *f = Inkscape::IO::fopen_utf8name(uri, "w");
+ if (!f)
+ return;
+
+ for (String::iterator iter = outbuf.begin() ; iter!=outbuf.end(); iter++)
+ {
+ int ch = *iter;
+ fputc(ch, f);
}
- //All done
fclose(f);
}
@@ -542,6 +638,18 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
+/**
+ * API call to save document
+*/
+void
+PovOutput::save(Inkscape::Extension::Output *mod,
+ SPDocument *doc, gchar const *uri)
+{
+ saveDocument(doc, uri);
+}
+
+
+
/**
* Make sure that we are in the database
*/
PovOutput::init()
{
Inkscape::Extension::build_from_mem(
- "<inkscape-extension>\n"
+ "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
"<name>" N_("PovRay Output") "</name>\n"
"<id>org.inkscape.output.pov</id>\n"
"<output>\n"
-} //namespace Internal
-} //namespace Extension
-} //namespace Inkscape
+} // namespace Internal
+} // namespace Extension
+} // namespace Inkscape
/*