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index 8e224b4dcad5eedaab80fc5eb39c20f8c1be1908..7318fa78457873bbcaa21388f5cbeb33c333ab6d 100644 (file)
#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 String vec2Str(double a, double b)
+
+
+/**
+ * Output data to the buffer, printf()-style
+ */
+void PovOutput::out(char *fmt, ...)
{
- String str;
- str.append("<");
- str.append(dstr(a));
- str.append(", ");
- str.append(dstr(b));
- str.append(">");
- return str;
+ 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 vec3Str(double a, double b, double c)
+
+
+
+
+
+
+/**
+ * Output a 3d vector
+ */
+void PovOutput::vec2(double a, double b)
{
- String str;
- str.append("<");
- str.append(dstr(a));
- str.append(", ");
- str.append(dstr(b));
- str.append(", ");
- str.append(dstr(c));
- str.append(">");
- return str;
+ outbuf.append("<");
+ outbuf.append(dstr(a));
+ outbuf.append(", ");
+ outbuf.append(dstr(b));
+ outbuf.append(">");
}
-*/
-static String vec4Str(double a, double b, double c, double d)
+
+
+/**
+ * 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(", ");
- str.append(dstr(d));
- str.append(">");
- return str;
+ outbuf.append("<");
+ outbuf.append(dstr(a));
+ outbuf.append(", ");
+ outbuf.append(dstr(b));
+ outbuf.append(", ");
+ outbuf.append(dstr(c));
+ outbuf.append(">");
}
-static String formatRgbf(double r, double g, double b, double f)
+
+/**
+ * Output a v4d ector
+ */
+void PovOutput::vec4(double a, double b, double c, double d)
+{
+ outbuf.append("<");
+ outbuf.append(dstr(a));
+ outbuf.append(", ");
+ outbuf.append(dstr(b));
+ outbuf.append(", ");
+ outbuf.append(dstr(c));
+ outbuf.append(", ");
+ outbuf.append(dstr(d));
+ outbuf.append(">");
+}
+
+
+/**
+ * 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;
+ outbuf.append("rgbf ");
+ vec4(r, g, b, f);
}
-static String formatSeg(int segNr, double a0, double a1,
+
+
+/**
+ * Output one bezier's start, start-control, end-control, and end nodes
+ */
+void PovOutput::segment(int segNr, double a0, double a1,
double b0, double b1,
double c0, double c1,
double d0, double d1)
{
//" /*%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;
+ outbuf.append(buf);
+ vec2(a0, a1);
+ outbuf.append(", ");
+ vec2(b0, b1);
+ outbuf.append(", ");
+ vec2(c0, c1);
+ outbuf.append(", ");
+ vec2(d0, d1);
}
+/**
+ * Output the file header
+ */
+void PovOutput::doHeader()
+{
+ 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", 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("\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");
+}
-//########################################################################
-//# 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 footer
+ */
+void PovOutput::doTail()
+{
+ out("\n\n");
+ out("/*###################################################################\n");
+ out("### E N D F I L E\n");
+ out("###################################################################*/\n");
+ out("\n\n");
+}
+
+
+
+/**
+ * Output the curve data to buffer
+ */
+void PovOutput::doCurves(SPDocument *doc)
{
std::vector<Inkscape::XML::Node *>results;
//findElementsByTagName(results, SP_ACTIVE_DOCUMENT->rroot, "path");
- findElementsByTagName(results, SP_ACTIVE_DOCUMENT->rroot, NULL);//Check all nodes
+ findElementsByTagName(results, SP_ACTIVE_DOCUMENT->rroot, NULL);
if (results.size() == 0)
return;
- 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;
@@ -285,6 +317,8 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
SPCurve *curve = shape->curve;
if (sp_curve_empty(curve))
continue;
+
+ nrShapes++;
PovShapeInfo shapeInfo;
shapeInfo.id = id;
@@ -303,7 +337,12 @@ 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
@@ -324,17 +363,20 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
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);
+ 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;
bp = SP_CURVE_BPATH(curve);
+
+ nrSegments += curveLength;
+
for (int curveNr=0 ; curveNr < curveLength ; curveNr++)
{
using NR::X;
@@ -358,14 +400,14 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
{
//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());
+ segment(segmentNr++,
+ lastx, lasty, x1, y1, x2, y2, x3, y3);
+ nrNodes += 8;
if (segmentNr < segmentCount)
- fprintf(f, ",\n");
+ out(",\n");
else
- fprintf(f, "\n");
+ out("\n");
if (lastx < cminx)
cminx = lastx;
@@ -381,14 +423,14 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
{
//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());
+ segment(segmentNr++,
+ lastx, lasty, lastx, lasty, x3, y3, x3, y3);
+ nrNodes += 8;
if (segmentNr < segmentCount)
- fprintf(f, ",\n");
+ out(",\n");
else
- fprintf(f, "\n");
+ out("\n");
//fprintf(f, "lineto\n");
if (lastx < cminx)
@@ -411,25 +453,25 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
lasty = y3;
bp++;
}
- fprintf(f, "}\n");
+ out("}\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));
+ out("#declare %s_MIN_X = %s;\n", pfx, dstr(cminx));
+ out("#declare %s_CENTER_X = %s;\n", pfx, dstr((cmaxx+cminx)/2.0));
+ out("#declare %s_MAX_X = %s;\n", pfx, dstr(cmaxx));
+ out("#declare %s_WIDTH = %s;\n", pfx, dstr(cmaxx-cminx));
+ out("#declare %s_MIN_Y = %s;\n", pfx, dstr(cminy));
+ out("#declare %s_CENTER_Y = %s;\n", pfx, dstr((cmaxy+cminy)/2.0));
+ out("#declare %s_MAX_Y = %s;\n", pfx, dstr(cmaxy));
+ out("#declare %s_HEIGHT = %s;\n", pfx, dstr(cmaxy-cminy));
if (shapeInfo.color.length()>0)
- fprintf(f, "#declare %s_COLOR = %s;\n",
+ out("#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");
+ out("/*###################################################\n");
+ out("### end %s\n", id.c_str());
+ out("###################################################*/\n\n\n\n");
if (cminx < minx)
minx = cminx;
if (cmaxx > maxx)
@@ -448,84 +490,143 @@ PovOutput::save(Inkscape::Extension::Output *mod, SPDocument *doc, gchar const *
{
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));
+ 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));
+ out("#declare %s_CENTER_X = %s;\n", pfx, dstr((maxx+minx)/2.0));
+ out("#declare %s_MAX_X = %s;\n", pfx, dstr(maxx));
+ out("#declare %s_WIDTH = %s;\n", pfx, dstr(maxx-minx));
+ out("#declare %s_MIN_Y = %s;\n", pfx, dstr(miny));
+ out("#declare %s_CENTER_Y = %s;\n", pfx, dstr((maxy+miny)/2.0));
+ out("#declare %s_MAX_Y = %s;\n", pfx, dstr(maxy));
+ out("#declare %s_HEIGHT = %s;\n", pfx, dstr(maxy-miny));
+ out("/*##############################################\n");
+ out("### end %s\n", id.c_str());
+ out("##############################################*/\n");
+ out("\n\n");
}
- //All done
+}
+
+
+
+
+//########################################################################
+//# 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 <paths> 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
+ doCurves(doc);
+ String curveBuf = outbuf;
+ outbuf.clear();
+
+ doHeader();
+
+ outbuf.append(curveBuf);
+
+ doTail();
+
+
+
+
+ //###### 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);
+ }
+
fclose(f);
}
@@ -542,6 +643,18 @@ 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
*/
-} //namespace Internal
-} //namespace Extension
-} //namespace Inkscape
+} // namespace Internal
+} // namespace Extension
+} // namespace Inkscape
/*