719 lines
20 KiB
C++
719 lines
20 KiB
C++
//-----------------------------------------------------------------------------
|
|
// The file format-specific stuff for all of the 2d vector output formats.
|
|
//
|
|
// Copyright 2008-2013 Jonathan Westhues.
|
|
//-----------------------------------------------------------------------------
|
|
#include "solvespace.h"
|
|
|
|
void VectorFileWriter::Dummy(void) {
|
|
// This out-of-line virtual method definition quells the following warning
|
|
// from Clang++: "'VectorFileWriter' has no out-of-line virtual method
|
|
// definitions; its vtable will be emitted in every translation unit
|
|
// [-Wweak-vtables]"
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Routines for DXF export
|
|
//-----------------------------------------------------------------------------
|
|
void DxfFileWriter::StartFile(void) {
|
|
// Some software, like Adobe Illustrator, insists on a header.
|
|
fprintf(f,
|
|
" 999\r\n"
|
|
"file created by SolveSpace\r\n"
|
|
" 0\r\n"
|
|
"SECTION\r\n"
|
|
" 2\r\n"
|
|
"HEADER\r\n"
|
|
" 9\r\n"
|
|
"$ACADVER\r\n"
|
|
" 1\r\n"
|
|
"AC1006\r\n"
|
|
" 9\r\n"
|
|
"$ANGDIR\r\n"
|
|
" 70\r\n"
|
|
"0\r\n"
|
|
" 9\r\n"
|
|
"$AUNITS\r\n"
|
|
" 70\r\n"
|
|
"0\r\n"
|
|
" 9\r\n"
|
|
"$AUPREC\r\n"
|
|
" 70\r\n"
|
|
"0\r\n"
|
|
" 9\r\n"
|
|
"$INSBASE\r\n"
|
|
" 10\r\n"
|
|
"0.0\r\n"
|
|
" 20\r\n"
|
|
"0.0\r\n"
|
|
" 30\r\n"
|
|
"0.0\r\n"
|
|
" 9\r\n"
|
|
"$EXTMIN\r\n"
|
|
" 10\r\n"
|
|
"0.0\r\n"
|
|
" 20\r\n"
|
|
"0.0\r\n"
|
|
" 9\r\n"
|
|
"$EXTMAX\r\n"
|
|
" 10\r\n"
|
|
"10000.0\r\n"
|
|
" 20\r\n"
|
|
"10000.0\r\n"
|
|
" 0\r\n"
|
|
"ENDSEC\r\n");
|
|
|
|
// Then start the entities.
|
|
fprintf(f,
|
|
" 0\r\n"
|
|
"SECTION\r\n"
|
|
" 2\r\n"
|
|
"ENTITIES\r\n");
|
|
}
|
|
|
|
void DxfFileWriter::StartPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
void DxfFileWriter::FinishPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
|
|
void DxfFileWriter::Triangle(STriangle *tr) {
|
|
}
|
|
|
|
void DxfFileWriter::Bezier(SBezier *sb) {
|
|
Vector c, n = Vector::From(0, 0, 1);
|
|
double r;
|
|
if(sb->deg == 1) {
|
|
fprintf(f,
|
|
" 0\r\n"
|
|
"LINE\r\n"
|
|
" 8\r\n" // Layer code
|
|
"%d\r\n"
|
|
" 10\r\n" // xA
|
|
"%.6f\r\n"
|
|
" 20\r\n" // yA
|
|
"%.6f\r\n"
|
|
" 30\r\n" // zA
|
|
"%.6f\r\n"
|
|
" 11\r\n" // xB
|
|
"%.6f\r\n"
|
|
" 21\r\n" // yB
|
|
"%.6f\r\n"
|
|
" 31\r\n" // zB
|
|
"%.6f\r\n",
|
|
0,
|
|
sb->ctrl[0].x, sb->ctrl[0].y, sb->ctrl[0].z,
|
|
sb->ctrl[1].x, sb->ctrl[1].y, sb->ctrl[1].z);
|
|
} else if(sb->IsInPlane(n, 0) && sb->IsCircle(n, &c, &r)) {
|
|
double theta0 = atan2(sb->ctrl[0].y - c.y, sb->ctrl[0].x - c.x),
|
|
theta1 = atan2(sb->ctrl[2].y - c.y, sb->ctrl[2].x - c.x),
|
|
dtheta = WRAP_SYMMETRIC(theta1 - theta0, 2*PI);
|
|
if(dtheta < 0) {
|
|
swap(theta0, theta1);
|
|
}
|
|
|
|
fprintf(f,
|
|
" 0\r\n"
|
|
"ARC\r\n"
|
|
" 8\r\n" // Layer code
|
|
"%d\r\n"
|
|
" 10\r\n" // x
|
|
"%.6f\r\n"
|
|
" 20\r\n" // y
|
|
"%.6f\r\n"
|
|
" 30\r\n" // z
|
|
"%.6f\r\n"
|
|
" 40\r\n" // radius
|
|
"%.6f\r\n"
|
|
" 50\r\n" // start angle
|
|
"%.6f\r\n"
|
|
" 51\r\n" // end angle
|
|
"%.6f\r\n",
|
|
0,
|
|
c.x, c.y, 0.0,
|
|
r,
|
|
theta0*180/PI, theta1*180/PI);
|
|
} else {
|
|
BezierAsPwl(sb);
|
|
}
|
|
}
|
|
|
|
void DxfFileWriter::FinishAndCloseFile(void) {
|
|
fprintf(f,
|
|
" 0\r\n"
|
|
"ENDSEC\r\n"
|
|
" 0\r\n"
|
|
"EOF\r\n" );
|
|
fclose(f);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Routines for EPS output
|
|
//-----------------------------------------------------------------------------
|
|
void EpsFileWriter::StartFile(void) {
|
|
fprintf(f,
|
|
"%%!PS-Adobe-2.0\r\n"
|
|
"%%%%Creator: SolveSpace\r\n"
|
|
"%%%%Title: title\r\n"
|
|
"%%%%Pages: 0\r\n"
|
|
"%%%%PageOrder: Ascend\r\n"
|
|
"%%%%BoundingBox: 0 0 %d %d\r\n"
|
|
"%%%%HiResBoundingBox: 0 0 %.3f %.3f\r\n"
|
|
"%%%%EndComments\r\n"
|
|
"\r\n"
|
|
"gsave\r\n"
|
|
"\r\n",
|
|
(int)ceil(MmToPts(ptMax.x - ptMin.x)),
|
|
(int)ceil(MmToPts(ptMax.y - ptMin.y)),
|
|
MmToPts(ptMax.x - ptMin.x),
|
|
MmToPts(ptMax.y - ptMin.y));
|
|
}
|
|
|
|
void EpsFileWriter::StartPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
fprintf(f, "newpath\r\n");
|
|
prevPt = Vector::From(VERY_POSITIVE, VERY_POSITIVE, VERY_POSITIVE);
|
|
}
|
|
void EpsFileWriter::FinishPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
fprintf(f, " %.3f setlinewidth\r\n"
|
|
" %.3f %.3f %.3f setrgbcolor\r\n"
|
|
" 1 setlinejoin\r\n" // rounded
|
|
" 1 setlinecap\r\n" // rounded
|
|
" gsave stroke grestore\r\n",
|
|
MmToPts(lineWidth),
|
|
strokeRgb.redF(), strokeRgb.greenF(), strokeRgb.blueF());
|
|
if(filled) {
|
|
fprintf(f, " %.3f %.3f %.3f setrgbcolor\r\n"
|
|
" gsave fill grestore\r\n",
|
|
fillRgb.redF(), fillRgb.greenF(), fillRgb.blueF());
|
|
}
|
|
}
|
|
|
|
void EpsFileWriter::MaybeMoveTo(Vector st, Vector fi) {
|
|
if(!prevPt.Equals(st)) {
|
|
fprintf(f, " %.3f %.3f moveto\r\n",
|
|
MmToPts(st.x - ptMin.x), MmToPts(st.y - ptMin.y));
|
|
}
|
|
prevPt = fi;
|
|
}
|
|
|
|
void EpsFileWriter::Triangle(STriangle *tr) {
|
|
fprintf(f,
|
|
"%.3f %.3f %.3f setrgbcolor\r\n"
|
|
"newpath\r\n"
|
|
" %.3f %.3f moveto\r\n"
|
|
" %.3f %.3f lineto\r\n"
|
|
" %.3f %.3f lineto\r\n"
|
|
" closepath\r\n"
|
|
"gsave fill grestore\r\n",
|
|
tr->meta.color.redF(), tr->meta.color.greenF(), tr->meta.color.blueF(),
|
|
MmToPts(tr->a.x - ptMin.x), MmToPts(tr->a.y - ptMin.y),
|
|
MmToPts(tr->b.x - ptMin.x), MmToPts(tr->b.y - ptMin.y),
|
|
MmToPts(tr->c.x - ptMin.x), MmToPts(tr->c.y - ptMin.y));
|
|
|
|
// same issue with cracks, stroke it to avoid them
|
|
double sw = max(ptMax.x - ptMin.x, ptMax.y - ptMin.y) / 1000;
|
|
fprintf(f,
|
|
"1 setlinejoin\r\n"
|
|
"1 setlinecap\r\n"
|
|
"%.3f setlinewidth\r\n"
|
|
"gsave stroke grestore\r\n",
|
|
MmToPts(sw));
|
|
}
|
|
|
|
void EpsFileWriter::Bezier(SBezier *sb) {
|
|
Vector c, n = Vector::From(0, 0, 1);
|
|
double r;
|
|
if(sb->deg == 1) {
|
|
MaybeMoveTo(sb->ctrl[0], sb->ctrl[1]);
|
|
fprintf(f, " %.3f %.3f lineto\r\n",
|
|
MmToPts(sb->ctrl[1].x - ptMin.x),
|
|
MmToPts(sb->ctrl[1].y - ptMin.y));
|
|
} else if(sb->IsCircle(n, &c, &r)) {
|
|
Vector p0 = sb->ctrl[0], p1 = sb->ctrl[2];
|
|
double theta0 = atan2(p0.y - c.y, p0.x - c.x),
|
|
theta1 = atan2(p1.y - c.y, p1.x - c.x),
|
|
dtheta = WRAP_SYMMETRIC(theta1 - theta0, 2*PI);
|
|
MaybeMoveTo(p0, p1);
|
|
fprintf(f,
|
|
" %.3f %.3f %.3f %.3f %.3f %s\r\n",
|
|
MmToPts(c.x - ptMin.x), MmToPts(c.y - ptMin.y),
|
|
MmToPts(r),
|
|
theta0*180/PI, theta1*180/PI,
|
|
dtheta < 0 ? "arcn" : "arc");
|
|
} else if(sb->deg == 3 && !sb->IsRational()) {
|
|
MaybeMoveTo(sb->ctrl[0], sb->ctrl[3]);
|
|
fprintf(f,
|
|
" %.3f %.3f %.3f %.3f %.3f %.3f curveto\r\n",
|
|
MmToPts(sb->ctrl[1].x - ptMin.x), MmToPts(sb->ctrl[1].y - ptMin.y),
|
|
MmToPts(sb->ctrl[2].x - ptMin.x), MmToPts(sb->ctrl[2].y - ptMin.y),
|
|
MmToPts(sb->ctrl[3].x - ptMin.x), MmToPts(sb->ctrl[3].y - ptMin.y));
|
|
} else {
|
|
BezierAsNonrationalCubic(sb);
|
|
}
|
|
}
|
|
|
|
void EpsFileWriter::FinishAndCloseFile(void) {
|
|
fprintf(f,
|
|
"\r\n"
|
|
"grestore\r\n"
|
|
"\r\n");
|
|
fclose(f);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Routines for PDF output, some extra complexity because we have to generate
|
|
// a correct xref table.
|
|
//-----------------------------------------------------------------------------
|
|
void PdfFileWriter::StartFile(void) {
|
|
if((ptMax.x - ptMin.x) > 200*25.4 ||
|
|
(ptMax.y - ptMin.y) > 200*25.4)
|
|
{
|
|
Message("PDF page size exceeds 200 by 200 inches; many viewers may "
|
|
"reject this file.");
|
|
}
|
|
|
|
fprintf(f,
|
|
"%%PDF-1.1\r\n"
|
|
"%%%c%c%c%c\r\n",
|
|
0xe2, 0xe3, 0xcf, 0xd3);
|
|
|
|
xref[1] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"1 0 obj\r\n"
|
|
" << /Type /Catalog\r\n"
|
|
" /Outlines 2 0 R\r\n"
|
|
" /Pages 3 0 R\r\n"
|
|
" >>\r\n"
|
|
"endobj\r\n");
|
|
|
|
xref[2] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"2 0 obj\r\n"
|
|
" << /Type /Outlines\r\n"
|
|
" /Count 0\r\n"
|
|
" >>\r\n"
|
|
"endobj\r\n");
|
|
|
|
xref[3] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"3 0 obj\r\n"
|
|
" << /Type /Pages\r\n"
|
|
" /Kids [4 0 R]\r\n"
|
|
" /Count 1\r\n"
|
|
" >>\r\n"
|
|
"endobj\r\n");
|
|
|
|
xref[4] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"4 0 obj\r\n"
|
|
" << /Type /Page\r\n"
|
|
" /Parent 3 0 R\r\n"
|
|
" /MediaBox [0 0 %.3f %.3f]\r\n"
|
|
" /Contents 5 0 R\r\n"
|
|
" /Resources << /ProcSet 7 0 R\r\n"
|
|
" /Font << /F1 8 0 R >>\r\n"
|
|
" >>\r\n"
|
|
" >>\r\n"
|
|
"endobj\r\n",
|
|
MmToPts(ptMax.x - ptMin.x),
|
|
MmToPts(ptMax.y - ptMin.y));
|
|
|
|
xref[5] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"5 0 obj\r\n"
|
|
" << /Length 6 0 R >>\r\n"
|
|
"stream\r\n");
|
|
bodyStart = (uint32_t)ftell(f);
|
|
}
|
|
|
|
void PdfFileWriter::FinishAndCloseFile(void) {
|
|
uint32_t bodyEnd = (uint32_t)ftell(f);
|
|
|
|
fprintf(f,
|
|
"endstream\r\n"
|
|
"endobj\r\n");
|
|
|
|
xref[6] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"6 0 obj\r\n"
|
|
" %d\r\n"
|
|
"endobj\r\n",
|
|
bodyEnd - bodyStart);
|
|
|
|
xref[7] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"7 0 obj\r\n"
|
|
" [/PDF /Text]\r\n"
|
|
"endobj\r\n");
|
|
|
|
xref[8] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"8 0 obj\r\n"
|
|
" << /Type /Font\r\n"
|
|
" /Subtype /Type1\r\n"
|
|
" /Name /F1\r\n"
|
|
" /BaseFont /Helvetica\r\n"
|
|
" /Encoding /WinAnsiEncoding\r\n"
|
|
" >>\r\n"
|
|
"endobj\r\n");
|
|
|
|
xref[9] = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"9 0 obj\r\n"
|
|
" << /Creator (SolveSpace)\r\n"
|
|
" >>\r\n");
|
|
|
|
uint32_t xrefStart = (uint32_t)ftell(f);
|
|
fprintf(f,
|
|
"xref\r\n"
|
|
"0 10\r\n"
|
|
"0000000000 65535 f\r\n");
|
|
|
|
int i;
|
|
for(i = 1; i <= 9; i++) {
|
|
fprintf(f, "%010d %05d n\r\n", xref[i], 0);
|
|
}
|
|
|
|
fprintf(f,
|
|
"\r\n"
|
|
"trailer\r\n"
|
|
" << /Size 10\r\n"
|
|
" /Root 1 0 R\r\n"
|
|
" /Info 9 0 R\r\n"
|
|
" >>\r\n"
|
|
"startxref\r\n"
|
|
"%d\r\n"
|
|
"%%%%EOF\r\n",
|
|
xrefStart);
|
|
|
|
fclose(f);
|
|
|
|
}
|
|
|
|
void PdfFileWriter::StartPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
fprintf(f, "1 J 1 j " // round endcaps and joins
|
|
"%.3f w "
|
|
"%.3f %.3f %.3f RG\r\n",
|
|
MmToPts(lineWidth),
|
|
strokeRgb.redF(), strokeRgb.greenF(), strokeRgb.blueF());
|
|
if(filled) {
|
|
fprintf(f, "%.3f %.3f %.3f rg\r\n",
|
|
fillRgb.redF(), fillRgb.greenF(), fillRgb.blueF());
|
|
}
|
|
|
|
prevPt = Vector::From(VERY_POSITIVE, VERY_POSITIVE, VERY_POSITIVE);
|
|
}
|
|
void PdfFileWriter::FinishPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
if(filled) {
|
|
fprintf(f, "b\r\n");
|
|
} else {
|
|
fprintf(f, "S\r\n");
|
|
}
|
|
}
|
|
|
|
void PdfFileWriter::MaybeMoveTo(Vector st, Vector fi) {
|
|
if(!prevPt.Equals(st)) {
|
|
fprintf(f, "%.3f %.3f m\r\n",
|
|
MmToPts(st.x - ptMin.x), MmToPts(st.y - ptMin.y));
|
|
}
|
|
prevPt = fi;
|
|
}
|
|
|
|
void PdfFileWriter::Triangle(STriangle *tr) {
|
|
double sw = max(ptMax.x - ptMin.x, ptMax.y - ptMin.y) / 1000;
|
|
|
|
fprintf(f,
|
|
"1 J 1 j\r\n"
|
|
"%.3f %.3f %.3f RG\r\n"
|
|
"%.3f %.3f %.3f rg\r\n"
|
|
"%.3f w\r\n"
|
|
"%.3f %.3f m\r\n"
|
|
"%.3f %.3f l\r\n"
|
|
"%.3f %.3f l\r\n"
|
|
"b\r\n",
|
|
tr->meta.color.redF(), tr->meta.color.greenF(), tr->meta.color.blueF(),
|
|
tr->meta.color.redF(), tr->meta.color.greenF(), tr->meta.color.blueF(),
|
|
MmToPts(sw),
|
|
MmToPts(tr->a.x - ptMin.x), MmToPts(tr->a.y - ptMin.y),
|
|
MmToPts(tr->b.x - ptMin.x), MmToPts(tr->b.y - ptMin.y),
|
|
MmToPts(tr->c.x - ptMin.x), MmToPts(tr->c.y - ptMin.y));
|
|
}
|
|
|
|
void PdfFileWriter::Bezier(SBezier *sb) {
|
|
if(sb->deg == 1) {
|
|
MaybeMoveTo(sb->ctrl[0], sb->ctrl[1]);
|
|
fprintf(f,
|
|
"%.3f %.3f l\r\n",
|
|
MmToPts(sb->ctrl[1].x - ptMin.x), MmToPts(sb->ctrl[1].y - ptMin.y));
|
|
} else if(sb->deg == 3 && !sb->IsRational()) {
|
|
MaybeMoveTo(sb->ctrl[0], sb->ctrl[3]);
|
|
fprintf(f,
|
|
"%.3f %.3f %.3f %.3f %.3f %.3f c\r\n",
|
|
MmToPts(sb->ctrl[1].x - ptMin.x), MmToPts(sb->ctrl[1].y - ptMin.y),
|
|
MmToPts(sb->ctrl[2].x - ptMin.x), MmToPts(sb->ctrl[2].y - ptMin.y),
|
|
MmToPts(sb->ctrl[3].x - ptMin.x), MmToPts(sb->ctrl[3].y - ptMin.y));
|
|
} else {
|
|
BezierAsNonrationalCubic(sb);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Routines for SVG output
|
|
//-----------------------------------------------------------------------------
|
|
void SvgFileWriter::StartFile(void) {
|
|
fprintf(f,
|
|
"<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\" "
|
|
"\"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\r\n"
|
|
"<svg xmlns=\"http://www.w3.org/2000/svg\" "
|
|
"xmlns:xlink=\"http://www.w3.org/1999/xlink\" "
|
|
"width='%.3fmm' height='%.3fmm' "
|
|
"viewBox=\"0 0 %.3f %.3f\">\r\n"
|
|
"\r\n"
|
|
"<title>Exported SVG</title>\r\n"
|
|
"\r\n",
|
|
(ptMax.x - ptMin.x), (ptMax.y - ptMin.y),
|
|
(ptMax.x - ptMin.x), (ptMax.y - ptMin.y));
|
|
}
|
|
|
|
void SvgFileWriter::StartPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
fprintf(f, "<path d='");
|
|
prevPt = Vector::From(VERY_POSITIVE, VERY_POSITIVE, VERY_POSITIVE);
|
|
}
|
|
void SvgFileWriter::FinishPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
std::string fill;
|
|
if(filled) {
|
|
fill = ssprintf("#%02x%02x%02x",
|
|
fillRgb.red, fillRgb.green, fillRgb.blue);
|
|
} else {
|
|
fill = "none";
|
|
}
|
|
fprintf(f, "' stroke-width='%.3f' stroke='#%02x%02x%02x' "
|
|
"stroke-linecap='round' stroke-linejoin='round' "
|
|
"fill='%s' />\r\n",
|
|
lineWidth, strokeRgb.red, strokeRgb.green, strokeRgb.blue,
|
|
fill.c_str());
|
|
}
|
|
|
|
void SvgFileWriter::MaybeMoveTo(Vector st, Vector fi) {
|
|
// SVG uses a coordinate system with the origin at top left, +y down
|
|
if(!prevPt.Equals(st)) {
|
|
fprintf(f, "M%.3f %.3f ", (st.x - ptMin.x), (ptMax.y - st.y));
|
|
}
|
|
prevPt = fi;
|
|
}
|
|
|
|
void SvgFileWriter::Triangle(STriangle *tr) {
|
|
// crispEdges turns of anti-aliasing, which tends to cause hairline
|
|
// cracks between triangles; but there still is some cracking, so
|
|
// specify a stroke width too, hope for around a pixel
|
|
double sw = max(ptMax.x - ptMin.x, ptMax.y - ptMin.y) / 1000;
|
|
fprintf(f,
|
|
"<polygon points='%.3f,%.3f %.3f,%.3f %.3f,%.3f' "
|
|
"stroke='#%02x%02x%02x' stroke-width='%.3f' "
|
|
"style='fill:#%02x%02x%02x' shape-rendering='crispEdges'/>\r\n",
|
|
(tr->a.x - ptMin.x), (ptMax.y - tr->a.y),
|
|
(tr->b.x - ptMin.x), (ptMax.y - tr->b.y),
|
|
(tr->c.x - ptMin.x), (ptMax.y - tr->c.y),
|
|
tr->meta.color.red, tr->meta.color.green, tr->meta.color.blue,
|
|
sw,
|
|
tr->meta.color.red, tr->meta.color.green, tr->meta.color.blue);
|
|
}
|
|
|
|
void SvgFileWriter::Bezier(SBezier *sb) {
|
|
Vector c, n = Vector::From(0, 0, 1);
|
|
double r;
|
|
if(sb->deg == 1) {
|
|
MaybeMoveTo(sb->ctrl[0], sb->ctrl[1]);
|
|
fprintf(f, "L%.3f,%.3f ",
|
|
(sb->ctrl[1].x - ptMin.x), (ptMax.y - sb->ctrl[1].y));
|
|
} else if(sb->IsCircle(n, &c, &r)) {
|
|
Vector p0 = sb->ctrl[0], p1 = sb->ctrl[2];
|
|
double theta0 = atan2(p0.y - c.y, p0.x - c.x),
|
|
theta1 = atan2(p1.y - c.y, p1.x - c.x),
|
|
dtheta = WRAP_SYMMETRIC(theta1 - theta0, 2*PI);
|
|
// The arc must be less than 180 degrees, or else it couldn't have
|
|
// been represented as a single rational Bezier. So large-arc-flag
|
|
// must be false. sweep-flag is determined by the sign of dtheta.
|
|
// Note that clockwise and counter-clockwise are backwards in SVG's
|
|
// mirrored csys.
|
|
MaybeMoveTo(p0, p1);
|
|
fprintf(f, "A%.3f,%.3f 0 0,%d %.3f,%.3f ",
|
|
r, r,
|
|
(dtheta < 0) ? 1 : 0,
|
|
p1.x - ptMin.x, ptMax.y - p1.y);
|
|
} else if(!sb->IsRational()) {
|
|
if(sb->deg == 2) {
|
|
MaybeMoveTo(sb->ctrl[0], sb->ctrl[2]);
|
|
fprintf(f, "Q%.3f,%.3f %.3f,%.3f ",
|
|
sb->ctrl[1].x - ptMin.x, ptMax.y - sb->ctrl[1].y,
|
|
sb->ctrl[2].x - ptMin.x, ptMax.y - sb->ctrl[2].y);
|
|
} else if(sb->deg == 3) {
|
|
MaybeMoveTo(sb->ctrl[0], sb->ctrl[3]);
|
|
fprintf(f, "C%.3f,%.3f %.3f,%.3f %.3f,%.3f ",
|
|
sb->ctrl[1].x - ptMin.x, ptMax.y - sb->ctrl[1].y,
|
|
sb->ctrl[2].x - ptMin.x, ptMax.y - sb->ctrl[2].y,
|
|
sb->ctrl[3].x - ptMin.x, ptMax.y - sb->ctrl[3].y);
|
|
}
|
|
} else {
|
|
BezierAsNonrationalCubic(sb);
|
|
}
|
|
}
|
|
|
|
void SvgFileWriter::FinishAndCloseFile(void) {
|
|
fprintf(f, "\r\n</svg>\r\n");
|
|
fclose(f);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Routines for HPGL output
|
|
//-----------------------------------------------------------------------------
|
|
double HpglFileWriter::MmToHpglUnits(double mm) {
|
|
return mm*40;
|
|
}
|
|
|
|
void HpglFileWriter::StartFile(void) {
|
|
fprintf(f, "IN;\r\n");
|
|
fprintf(f, "SP1;\r\n");
|
|
}
|
|
|
|
void HpglFileWriter::StartPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
void HpglFileWriter::FinishPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
|
|
void HpglFileWriter::Triangle(STriangle *tr) {
|
|
}
|
|
|
|
void HpglFileWriter::Bezier(SBezier *sb) {
|
|
if(sb->deg == 1) {
|
|
fprintf(f, "PU%d,%d;\r\n",
|
|
(int)MmToHpglUnits(sb->ctrl[0].x),
|
|
(int)MmToHpglUnits(sb->ctrl[0].y));
|
|
fprintf(f, "PD%d,%d;\r\n",
|
|
(int)MmToHpglUnits(sb->ctrl[1].x),
|
|
(int)MmToHpglUnits(sb->ctrl[1].y));
|
|
} else {
|
|
BezierAsPwl(sb);
|
|
}
|
|
}
|
|
|
|
void HpglFileWriter::FinishAndCloseFile(void) {
|
|
fclose(f);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Routines for G Code output. Slightly complicated by our ability to generate
|
|
// multiple passes, and to specify the feeds and depth; those parameters get
|
|
// set in the configuration screen.
|
|
//-----------------------------------------------------------------------------
|
|
void GCodeFileWriter::StartFile(void) {
|
|
sel = {};
|
|
}
|
|
void GCodeFileWriter::StartPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
void GCodeFileWriter::FinishPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
void GCodeFileWriter::Triangle(STriangle *tr) {
|
|
}
|
|
|
|
void GCodeFileWriter::Bezier(SBezier *sb) {
|
|
if(sb->deg == 1) {
|
|
sel.AddEdge(sb->ctrl[0], sb->ctrl[1]);
|
|
} else {
|
|
BezierAsPwl(sb);
|
|
}
|
|
}
|
|
|
|
void GCodeFileWriter::FinishAndCloseFile(void) {
|
|
SPolygon sp = {};
|
|
sel.AssemblePolygon(&sp, NULL);
|
|
|
|
int i;
|
|
for(i = 0; i < SS.gCode.passes; i++) {
|
|
double depth = (SS.gCode.depth / SS.gCode.passes)*(i+1);
|
|
|
|
SContour *sc;
|
|
for(sc = sp.l.First(); sc; sc = sp.l.NextAfter(sc)) {
|
|
if(sc->l.n < 2) continue;
|
|
|
|
SPoint *pt = sc->l.First();
|
|
fprintf(f, "G00 X%s Y%s\r\n",
|
|
SS.MmToString(pt->p.x).c_str(), SS.MmToString(pt->p.y).c_str());
|
|
fprintf(f, "G01 Z%s F%s\r\n",
|
|
SS.MmToString(depth).c_str(), SS.MmToString(SS.gCode.plungeFeed).c_str());
|
|
|
|
pt = sc->l.NextAfter(pt);
|
|
for(; pt; pt = sc->l.NextAfter(pt)) {
|
|
fprintf(f, "G01 X%s Y%s F%s\r\n",
|
|
SS.MmToString(pt->p.x).c_str(), SS.MmToString(pt->p.y).c_str(),
|
|
SS.MmToString(SS.gCode.feed).c_str());
|
|
}
|
|
// Move up to a clearance plane 5mm above the work.
|
|
fprintf(f, "G00 Z%s\r\n",
|
|
SS.MmToString(SS.gCode.depth < 0 ? +5 : -5).c_str());
|
|
}
|
|
}
|
|
|
|
sp.Clear();
|
|
sel.Clear();
|
|
fclose(f);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Routine for STEP output; just a wrapper around the general STEP stuff that
|
|
// can also be used for surfaces or 3d curves.
|
|
//-----------------------------------------------------------------------------
|
|
void Step2dFileWriter::StartFile(void) {
|
|
sfw = {};
|
|
sfw.f = f;
|
|
sfw.WriteHeader();
|
|
}
|
|
|
|
void Step2dFileWriter::Triangle(STriangle *tr) {
|
|
}
|
|
|
|
void Step2dFileWriter::StartPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
void Step2dFileWriter::FinishPath(RgbaColor strokeRgb, double lineWidth,
|
|
bool filled, RgbaColor fillRgb)
|
|
{
|
|
}
|
|
|
|
void Step2dFileWriter::Bezier(SBezier *sb) {
|
|
int c = sfw.ExportCurve(sb);
|
|
sfw.curves.Add(&c);
|
|
}
|
|
|
|
void Step2dFileWriter::FinishAndCloseFile(void) {
|
|
sfw.WriteWireframe();
|
|
sfw.WriteFooter();
|
|
fclose(f);
|
|
}
|
|
|