pov-out.cpp revision 76addc201c409e81eaaa73fe27cc0f79c4db097c
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/*
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * A simple utility for exporting Inkscape svg Shapes as PovRay bezier
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * prisms. Note that this is output-only, and would thus seem to be
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * better placed as an 'export' rather than 'output'. However, Export
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * handles all or partial documents, while this outputs ALL shapes in
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * the current SVG document.
6f3e57ac9d0b054c3169579f3422080b8ba10105mx *
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * For information on the PovRay file format, see:
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * http://www.povray.org
6f3e57ac9d0b054c3169579f3422080b8ba10105mx *
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Authors:
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Bob Jamison <ishmal@inkscape.org>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Abhishek Sharma
6f3e57ac9d0b054c3169579f3422080b8ba10105mx *
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Copyright (C) 2004-2008 Authors
6f3e57ac9d0b054c3169579f3422080b8ba10105mx *
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Released under GNU GPL, read the file 'COPYING' for more information
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#ifdef HAVE_CONFIG_H
6f3e57ac9d0b054c3169579f3422080b8ba10105mx# include <config.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#endif
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include "pov-out.h"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <inkscape.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <inkscape-version.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <sp-path.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <style.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <display/curve.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <extension/system.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <2geom/pathvector.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <2geom/rect.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <2geom/curves.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include "helper/geom.h"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include "helper/geom-curves.h"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <io/sys.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include "sp-root.h"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <string>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <stdio.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include <stdarg.h>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include "document.h"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include "extension/extension.h"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mxnamespace Inkscape
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mxnamespace Extension
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mxnamespace Internal
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//# M E S S A G E S
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mxstatic void err(const char *fmt, ...)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx va_list args;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx g_log(NULL, G_LOG_LEVEL_WARNING, "Pov-out err: ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx va_start(args, fmt);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx g_logv(NULL, G_LOG_LEVEL_WARNING, fmt, args);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx va_end(args);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx g_log(NULL, G_LOG_LEVEL_WARNING, "\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//# U T I L I T Y
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mxstatic double effective_opacity(SPItem const *item)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx // TODO investigate this. The early return seems that it would abort early.
6f3e57ac9d0b054c3169579f3422080b8ba10105mx // Plus is will emit a warning, which may not be proper here.
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double ret = 1.0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (SPObject const *obj = item; obj; obj = obj->parent) {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx g_return_val_if_fail(obj->style, ret);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx ret *= SP_SCALE24_TO_FLOAT(obj->style->opacity.value);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return ret;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//# OUTPUT FORMATTING
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mxPovOutput::PovOutput() :
6f3e57ac9d0b054c3169579f3422080b8ba10105mx outbuf (),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrNodes (0),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrSegments (0),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrShapes (0),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx idIndex (0),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx minx (0),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx miny (0),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx maxx (0),
6f3e57ac9d0b054c3169579f3422080b8ba10105mx maxy (0)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * We want to control floating output format
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxstatic PovOutput::String dstr(double d)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx char dbuf[G_ASCII_DTOSTR_BUF_SIZE+1];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx g_ascii_formatd(dbuf, G_ASCII_DTOSTR_BUF_SIZE,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "%.8f", (gdouble)d);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx PovOutput::String s = dbuf;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return s;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#define DSTR(d) (dstr(d).c_str())
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output data to the buffer, printf()-style
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::out(const char *fmt, ...)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx va_list args;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx va_start(args, fmt);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx gchar *output = g_strdup_vprintf(fmt, args);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx va_end(args);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx outbuf.append(output);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx g_free(output);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output a 2d vector
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::vec2(double a, double b)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("<%s, %s>", DSTR(a), DSTR(b));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output a 3d vector
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::vec3(double a, double b, double c)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("<%s, %s, %s>", DSTR(a), DSTR(b), DSTR(c));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output a v4d ector
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::vec4(double a, double b, double c, double d)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("<%s, %s, %s, %s>", DSTR(a), DSTR(b), DSTR(c), DSTR(d));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output an rgbf color vector
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::rgbf(double r, double g, double b, double f)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //"rgbf < %1.3f, %1.3f, %1.3f %1.3f>"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("rgbf ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx vec4(r, g, b, f);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output one bezier's start, start-control, end-control, and end nodes
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::segment(int segNr,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double startX, double startY,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double startCtrlX, double startCtrlY,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double endCtrlX, double endCtrlY,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double endX, double endY)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //" /*%4d*/ <%f, %f>, <%f, %f>, <%f,%f>, <%f,%f>"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" /*%4d*/ ", segNr);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx vec2(startX, startY);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(", ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx vec2(startCtrlX, startCtrlY);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(", ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx vec2(endCtrlX, endCtrlY);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(", ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx vec2(endX, endY);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output the file header
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxbool PovOutput::doHeader()
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx time_t tim = time(NULL);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*###################################################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### This PovRay document was generated by Inkscape\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### http://www.inkscape.org\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### Created: %s", ctime(&tim));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### Version: %s\n", Inkscape::version_string);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#####################################################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### NOTES:\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### ============\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### POVRay information can be found at\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### http://www.povray.org\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### The 'AllShapes' objects at the bottom are provided as a\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### preview of how the output would look in a trace. However,\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### the main intent of this file is to provide the individual\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### shapes for inclusion in a POV project.\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### For an example of how to use this file, look at\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### share/examples/istest.pov\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### If you have any problems with this output, please see the\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### Inkscape project at http://www.inkscape.org, or visit\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### the #inkscape channel on irc.freenode.net . \n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###################################################################*/\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*###################################################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("## Exports in this file\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("##==========================\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("## Shapes : %d\n", nrShapes);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("## Segments : %d\n", nrSegments);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("## Nodes : %d\n", nrNodes);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###################################################################*/\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output the file footer
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxbool PovOutput::doTail()
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*###################################################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### E N D F I L E\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###################################################################*/\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output the curve data to buffer
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxbool PovOutput::doCurve(SPItem *item, const String &id)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx using Geom::X;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx using Geom::Y;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //### Get the Shape
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!SP_IS_SHAPE(item))//Bulia's suggestion. Allow all shapes
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx SPShape *shape = SP_SHAPE(item);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (shape->_curve->is_empty()) {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrShapes++;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx PovShapeInfo shapeInfo;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx shapeInfo.id = id;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx shapeInfo.color = "";
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //Try to get the fill color of the shape
6f3e57ac9d0b054c3169579f3422080b8ba10105mx SPStyle *style = shape->style;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /* fixme: Handle other fill types, even if this means translating gradients to a single
6f3e57ac9d0b054c3169579f3422080b8ba10105mx flat colour. */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (style)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (style->fill.isColor())
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx // see color.h for how to parse SPColor
6f3e57ac9d0b054c3169579f3422080b8ba10105mx float rgb[3];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx sp_color_get_rgb_floatv(&style->fill.value.color, rgb);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double const dopacity = ( SP_SCALE24_TO_FLOAT(style->fill_opacity.value)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * effective_opacity(shape) );
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //gchar *str = g_strdup_printf("rgbf < %1.3f, %1.3f, %1.3f %1.3f>",
6f3e57ac9d0b054c3169579f3422080b8ba10105mx // rgb[0], rgb[1], rgb[2], 1.0 - dopacity);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx String rgbf = "rgbf <";
6f3e57ac9d0b054c3169579f3422080b8ba10105mx rgbf.append(dstr(rgb[0])); rgbf.append(", ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx rgbf.append(dstr(rgb[1])); rgbf.append(", ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx rgbf.append(dstr(rgb[2])); rgbf.append(", ");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx rgbf.append(dstr(1.0 - dopacity)); rgbf.append(">");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx shapeInfo.color += rgbf;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx povShapes.push_back(shapeInfo); //passed all tests. save the info
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx // convert the path to only lineto's and cubic curveto's:
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Affine tf = item->i2dt_affine();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::PathVector pathv = pathv_to_linear_and_cubic_beziers( shape->_curve->get_pathvector() * tf );
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /*
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * We need to know the number of segments (NR_CURVETOs/LINETOs, including
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * closing line segment) before we write out segment data. Since we are
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * going to skip degenerate (zero length) paths, we need to loop over all
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * subpaths and segments first.
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx int segmentCount = 0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * For all Subpaths in the <path>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * For all segments in the subpath, including extra closing segment defined by 2geom
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_closed(); ++cit)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx // Skip zero length segments.
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if( !cit->isDegenerate() ) ++segmentCount;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*###################################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### PRISM: %s\n", id.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###################################################*/\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s = prism {\n", id.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" linear_sweep\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" bezier_spline\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" 1.0, //top\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" 0.0, //bottom\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" %d //nr points\n", segmentCount * 4);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx int segmentNr = 0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrSegments += segmentCount;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * at moment of writing, 2geom lacks proper initialization of empty intervals in rect...
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Rect cminmax( pathv.front().initialPoint(), pathv.front().initialPoint() );
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * For all Subpaths in the <path>
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (Geom::PathVector::const_iterator pit = pathv.begin(); pit != pathv.end(); ++pit)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx cminmax.expandTo(pit->initialPoint());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * For all segments in the subpath, including extra closing segment defined by 2geom
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (Geom::Path::const_iterator cit = pit->begin(); cit != pit->end_closed(); ++cit)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx // Skip zero length segments
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if( cit->isDegenerate() )
6f3e57ac9d0b054c3169579f3422080b8ba10105mx continue;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if( is_straight_curve(*cit) )
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Point p0 = cit->initialPoint();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Point p1 = cit->finalPoint();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx segment(segmentNr++,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx p0[X], p0[Y], p0[X], p0[Y], p1[X], p1[Y], p1[X], p1[Y] );
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrNodes += 8;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx else if(Geom::CubicBezier const *cubic = dynamic_cast<Geom::CubicBezier const*>(&*cit))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx std::vector<Geom::Point> points = cubic->controlPoints();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Point p0 = points[0];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Point p1 = points[1];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Point p2 = points[2];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Geom::Point p3 = points[3];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx segment(segmentNr++,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx p0[X],p0[Y], p1[X],p1[Y], p2[X],p2[Y], p3[X],p3[Y]);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrNodes += 8;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx else
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx err("logical error, because pathv_to_linear_and_cubic_beziers was used");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return false;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (segmentNr < segmentCount)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(",\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx else
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (segmentNr > segmentCount)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx err("Too many segments");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return false;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx cminmax.expandTo(cit->finalPoint());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("}\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double cminx = cminmax.min()[X];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double cmaxx = cminmax.max()[X];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double cminy = cminmax.min()[Y];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double cmaxy = cminmax.max()[Y];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MIN_X = %s;\n", id.c_str(), DSTR(cminx));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_CENTER_X = %s;\n", id.c_str(), DSTR((cmaxx+cminx)/2.0));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MAX_X = %s;\n", id.c_str(), DSTR(cmaxx));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_WIDTH = %s;\n", id.c_str(), DSTR(cmaxx-cminx));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MIN_Y = %s;\n", id.c_str(), DSTR(cminy));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_CENTER_Y = %s;\n", id.c_str(), DSTR((cmaxy+cminy)/2.0));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MAX_Y = %s;\n", id.c_str(), DSTR(cmaxy));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_HEIGHT = %s;\n", id.c_str(), DSTR(cmaxy-cminy));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (shapeInfo.color.length()>0)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_COLOR = %s;\n",
6f3e57ac9d0b054c3169579f3422080b8ba10105mx id.c_str(), shapeInfo.color.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*###################################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### end %s\n", id.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###################################################*/\n\n\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (cminx < minx)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx minx = cminx;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (cmaxx > maxx)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx maxx = cmaxx;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (cminy < miny)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx miny = cminy;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (cmaxy > maxy)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx maxy = cmaxy;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Descend the svg tree recursively, translating data
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxbool PovOutput::doTreeRecursive(SPDocument *doc, SPObject *obj)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx String id;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!obj->getId())
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx char buf[16];
6f3e57ac9d0b054c3169579f3422080b8ba10105mx sprintf(buf, "id%d", idIndex++);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx id = buf;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx else
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx id = obj->getId();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (SP_IS_ITEM(obj))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx SPItem *item = SP_ITEM(obj);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!doCurve(item, id))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return false;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Descend into children
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (SPObject *child = obj->firstChild() ; child ; child = child->next)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!doTreeRecursive(doc, child))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return false;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Output the curve data to buffer
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxbool PovOutput::doTree(SPDocument *doc)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double bignum = 1000000.0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx minx = bignum;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx maxx = -bignum;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx miny = bignum;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx maxy = -bignum;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!doTreeRecursive(doc, doc->getRoot()))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return false;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //## Let's make a union of all of the Shapes
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!povShapes.empty())
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx String id = "AllShapes";
6f3e57ac9d0b054c3169579f3422080b8ba10105mx char *pfx = (char *)id.c_str();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*###################################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### UNION OF ALL SHAPES IN DOCUMENT\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("###################################################*/\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/**\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" * Allow the user to redefine the finish{}\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" * by declaring it before #including this file\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" */\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#ifndef (%s_Finish)\n", pfx);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_Finish = finish {\n", pfx);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" phong 0.5\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" reflection 0.3\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" specular 0.5\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("}\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#end\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s = union {\n", id.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (unsigned i = 0 ; i < povShapes.size() ; i++)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" object { %s\n", povShapes[i].id.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" texture { \n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (povShapes[i].color.length()>0)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" pigment { %s }\n", povShapes[i].color.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx else
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" pigment { rgb <0,0,0> }\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" finish { %s_Finish }\n", pfx);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" } \n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" } \n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("}\n\n\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx double zinc = 0.2 / (double)povShapes.size();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*#### Same union, but with Z-diffs (actually Y in pov) ####*/\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/**\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" * Allow the user to redefine the Z-Increment\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" */\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#ifndef (AllShapes_Z_Increment)\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare AllShapes_Z_Increment = %s;\n", DSTR(zinc));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#end\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare AllShapes_Z_Scale = 1.0;\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_Z = union {\n", pfx);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (unsigned i = 0 ; i < povShapes.size() ; i++)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" object { %s\n", povShapes[i].id.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" texture { \n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (povShapes[i].color.length()>0)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" pigment { %s }\n", povShapes[i].color.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx else
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" pigment { rgb <0,0,0> }\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" finish { %s_Finish }\n", pfx);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" } \n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" scale <1, %s_Z_Scale, 1>\n", pfx);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out(" } \n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_Z_Scale = %s_Z_Scale + %s_Z_Increment;\n\n",
6f3e57ac9d0b054c3169579f3422080b8ba10105mx pfx, pfx, pfx);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("}\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MIN_X = %s;\n", pfx, DSTR(minx));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_CENTER_X = %s;\n", pfx, DSTR((maxx+minx)/2.0));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MAX_X = %s;\n", pfx, DSTR(maxx));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_WIDTH = %s;\n", pfx, DSTR(maxx-minx));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MIN_Y = %s;\n", pfx, DSTR(miny));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_CENTER_Y = %s;\n", pfx, DSTR((maxy+miny)/2.0));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_MAX_Y = %s;\n", pfx, DSTR(maxy));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("#declare %s_HEIGHT = %s;\n", pfx, DSTR(maxy-miny));
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("/*##############################################\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("### end %s\n", id.c_str());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("##############################################*/\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx out("\n\n");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//# M A I N O U T P U T
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Set values back to initial state
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::reset()
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrNodes = 0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrSegments = 0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx nrShapes = 0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx idIndex = 0;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx outbuf.clear();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx povShapes.clear();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Saves the Shapes of an Inkscape SVG file as PovRay spline definitions
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid PovOutput::saveDocument(SPDocument *doc, gchar const *filename_utf8)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx reset();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //###### SAVE IN POV FORMAT TO BUFFER
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //# Lets do the curves first, to get the stats
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!doTree(doc))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx err("Could not output curves for %s", filename_utf8);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx String curveBuf = outbuf;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx outbuf.clear();
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!doHeader())
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx err("Could not write header for %s", filename_utf8);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx outbuf.append(curveBuf);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!doTail())
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx err("Could not write footer for %s", filename_utf8);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx //###### WRITE TO FILE
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Inkscape::IO::dump_fopen_call(filename_utf8, "L");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx FILE *f = Inkscape::IO::fopen_utf8name(filename_utf8, "w");
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (!f)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx for (String::iterator iter = outbuf.begin() ; iter!=outbuf.end(); ++iter)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx {
6f3e57ac9d0b054c3169579f3422080b8ba10105mx int ch = *iter;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx fputc(ch, f);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx }
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx fclose(f);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//# EXTENSION API
6f3e57ac9d0b054c3169579f3422080b8ba10105mx//########################################################################
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx#include "clear-n_.h"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * API call to save document
6f3e57ac9d0b054c3169579f3422080b8ba10105mx*/
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid
6f3e57ac9d0b054c3169579f3422080b8ba10105mxPovOutput::save(Inkscape::Extension::Output */*mod*/,
6f3e57ac9d0b054c3169579f3422080b8ba10105mx SPDocument *doc, gchar const *filename_utf8)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /* See comments in JavaFSOutput::save re the name `filename_utf8'. */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx saveDocument(doc, filename_utf8);
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * Make sure that we are in the database
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mxbool PovOutput::check (Inkscape::Extension::Extension */*module*/)
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx /* We don't need a Key
6f3e57ac9d0b054c3169579f3422080b8ba10105mx if (NULL == Inkscape::Extension::db.get(SP_MODULE_KEY_OUTPUT_POV))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return FALSE;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx */
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx return true;
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/**
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * This is the definition of PovRay output. This function just
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * calls the extension system with the memory allocated XML that
6f3e57ac9d0b054c3169579f3422080b8ba10105mx * describes the data.
6f3e57ac9d0b054c3169579f3422080b8ba10105mx*/
6f3e57ac9d0b054c3169579f3422080b8ba10105mxvoid
6f3e57ac9d0b054c3169579f3422080b8ba10105mxPovOutput::init()
6f3e57ac9d0b054c3169579f3422080b8ba10105mx{
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Inkscape::Extension::build_from_mem(
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<inkscape-extension xmlns=\"" INKSCAPE_EXTENSION_URI "\">\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<name>" N_("PovRay Output") "</name>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<id>org.inkscape.output.pov</id>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<output>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<extension>.pov</extension>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<mimetype>text/x-povray-script</mimetype>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<filetypename>" N_("PovRay (*.pov) (paths and shapes only)") "</filetypename>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "<filetypetooltip>" N_("PovRay Raytracer File") "</filetypetooltip>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "</output>\n"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx "</inkscape-extension>",
6f3e57ac9d0b054c3169579f3422080b8ba10105mx new PovOutput());
6f3e57ac9d0b054c3169579f3422080b8ba10105mx}
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx} // namespace Internal
6f3e57ac9d0b054c3169579f3422080b8ba10105mx} // namespace Extension
6f3e57ac9d0b054c3169579f3422080b8ba10105mx} // namespace Inkscape
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx
6f3e57ac9d0b054c3169579f3422080b8ba10105mx/*
6f3e57ac9d0b054c3169579f3422080b8ba10105mx Local Variables:
6f3e57ac9d0b054c3169579f3422080b8ba10105mx mode:c++
6f3e57ac9d0b054c3169579f3422080b8ba10105mx c-file-style:"stroustrup"
6f3e57ac9d0b054c3169579f3422080b8ba10105mx c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
6f3e57ac9d0b054c3169579f3422080b8ba10105mx indent-tabs-mode:nil
6f3e57ac9d0b054c3169579f3422080b8ba10105mx fill-column:99
6f3e57ac9d0b054c3169579f3422080b8ba10105mx End:
6f3e57ac9d0b054c3169579f3422080b8ba10105mx*/
6f3e57ac9d0b054c3169579f3422080b8ba10105mx// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
6f3e57ac9d0b054c3169579f3422080b8ba10105mx