83bbc004dc
the same plumbing as the 2d vector output. Also fix piecewise linear tolerance when the export scale factor is not equal to one; have to scale the chord tol along with that. [git-p4: depot-paths = "//depot/solvespace/": change = 2053]
611 lines
17 KiB
C++
611 lines
17 KiB
C++
//-----------------------------------------------------------------------------
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// The file format-specific stuff for all of the 2d vector output formats.
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//-----------------------------------------------------------------------------
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#include "solvespace.h"
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//-----------------------------------------------------------------------------
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// Routines for DXF export
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//-----------------------------------------------------------------------------
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void DxfFileWriter::StartFile(void) {
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// Some software, like Adobe Illustrator, insists on a header.
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fprintf(f,
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" 999\r\n"
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"file created by SolveSpace\r\n"
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" 0\r\n"
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"SECTION\r\n"
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" 2\r\n"
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"HEADER\r\n"
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" 9\r\n"
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"$ACADVER\r\n"
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" 1\r\n"
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"AC1006\r\n"
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" 9\r\n"
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"$ANGDIR\r\n"
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" 70\r\n"
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"0\r\n"
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" 9\r\n"
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"$AUNITS\r\n"
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" 70\r\n"
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"0\r\n"
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" 9\r\n"
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"$AUPREC\r\n"
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" 70\r\n"
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"0\r\n"
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" 9\r\n"
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"$INSBASE\r\n"
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" 10\r\n"
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"0.0\r\n"
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" 20\r\n"
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"0.0\r\n"
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" 30\r\n"
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"0.0\r\n"
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" 9\r\n"
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"$EXTMIN\r\n"
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" 10\r\n"
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"0.0\r\n"
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" 20\r\n"
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"0.0\r\n"
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" 9\r\n"
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"$EXTMAX\r\n"
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" 10\r\n"
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"10000.0\r\n"
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" 20\r\n"
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"10000.0\r\n"
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" 0\r\n"
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"ENDSEC\r\n");
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// Then start the entities.
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fprintf(f,
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" 0\r\n"
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"SECTION\r\n"
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" 2\r\n"
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"ENTITIES\r\n");
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}
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void DxfFileWriter::LineSegment(DWORD rgb, double w, Vector ptA, Vector ptB) {
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fprintf(f,
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" 0\r\n"
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"LINE\r\n"
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" 8\r\n" // Layer code
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"%d\r\n"
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" 10\r\n" // xA
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"%.6f\r\n"
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" 20\r\n" // yA
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"%.6f\r\n"
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" 30\r\n" // zA
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"%.6f\r\n"
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" 11\r\n" // xB
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"%.6f\r\n"
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" 21\r\n" // yB
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"%.6f\r\n"
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" 31\r\n" // zB
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"%.6f\r\n",
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0,
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ptA.x, ptA.y, ptA.z,
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ptB.x, ptB.y, ptB.z);
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}
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void DxfFileWriter::Triangle(STriangle *tr) {
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}
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void DxfFileWriter::Bezier(DWORD rgb, double w, SBezier *sb) {
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Vector c, n = Vector::From(0, 0, 1);
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double r;
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if(sb->IsInPlane(n, 0) && sb->IsCircle(n, &c, &r)) {
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double theta0 = atan2(sb->ctrl[0].y - c.y, sb->ctrl[0].x - c.x),
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theta1 = atan2(sb->ctrl[2].y - c.y, sb->ctrl[2].x - c.x),
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dtheta = WRAP_SYMMETRIC(theta1 - theta0, 2*PI);
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if(dtheta < 0) {
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SWAP(double, theta0, theta1);
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}
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fprintf(f,
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" 0\r\n"
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"ARC\r\n"
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" 8\r\n" // Layer code
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"%d\r\n"
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" 10\r\n" // x
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"%.6f\r\n"
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" 20\r\n" // y
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"%.6f\r\n"
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" 30\r\n" // z
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"%.6f\r\n"
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" 40\r\n" // radius
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"%.6f\r\n"
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" 50\r\n" // start angle
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"%.6f\r\n"
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" 51\r\n" // end angle
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"%.6f\r\n",
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0,
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c.x, c.y, 0.0,
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r,
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theta0*180/PI, theta1*180/PI);
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} else {
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BezierAsPwl(rgb, w, sb);
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}
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}
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void DxfFileWriter::FinishAndCloseFile(void) {
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fprintf(f,
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" 0\r\n"
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"ENDSEC\r\n"
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" 0\r\n"
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"EOF\r\n" );
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fclose(f);
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}
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//-----------------------------------------------------------------------------
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// Routines for EPS output
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//-----------------------------------------------------------------------------
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char *EpsFileWriter::StyleString(DWORD rgb, double w) {
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static char ret[300];
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sprintf(ret, " %.3f setlinewidth\r\n"
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" %.3f %.3f %.3f setrgbcolor\r\n"
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" 1 setlinejoin\r\n" // rounded
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" 1 setlinecap\r\n", // rounded
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MmToPts(w),
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REDf(rgb), GREENf(rgb), BLUEf(rgb));
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return ret;
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}
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void EpsFileWriter::StartFile(void) {
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fprintf(f,
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"%%!PS-Adobe-2.0\r\n"
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"%%%%Creator: SolveSpace\r\n"
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"%%%%Title: title\r\n"
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"%%%%Pages: 0\r\n"
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"%%%%PageOrder: Ascend\r\n"
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"%%%%BoundingBox: 0 0 %d %d\r\n"
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"%%%%HiResBoundingBox: 0 0 %.3f %.3f\r\n"
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"%%%%EndComments\r\n"
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"\r\n"
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"gsave\r\n"
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"\r\n",
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(int)ceil(MmToPts(ptMax.x - ptMin.x)),
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(int)ceil(MmToPts(ptMax.y - ptMin.y)),
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MmToPts(ptMax.x - ptMin.x),
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MmToPts(ptMax.y - ptMin.y));
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}
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void EpsFileWriter::LineSegment(DWORD rgb, double w, Vector ptA, Vector ptB) {
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fprintf(f,
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"newpath\r\n"
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" %.3f %.3f moveto\r\n"
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" %.3f %.3f lineto\r\n"
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"%s"
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"stroke\r\n",
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MmToPts(ptA.x - ptMin.x), MmToPts(ptA.y - ptMin.y),
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MmToPts(ptB.x - ptMin.x), MmToPts(ptB.y - ptMin.y),
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StyleString(rgb, w));
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}
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void EpsFileWriter::Triangle(STriangle *tr) {
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fprintf(f,
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"%.3f %.3f %.3f setrgbcolor\r\n"
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"newpath\r\n"
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" %.3f %.3f moveto\r\n"
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" %.3f %.3f lineto\r\n"
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" %.3f %.3f lineto\r\n"
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" closepath\r\n"
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"fill\r\n",
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REDf(tr->meta.color), GREENf(tr->meta.color), BLUEf(tr->meta.color),
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MmToPts(tr->a.x - ptMin.x), MmToPts(tr->a.y - ptMin.y),
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MmToPts(tr->b.x - ptMin.x), MmToPts(tr->b.y - ptMin.y),
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MmToPts(tr->c.x - ptMin.x), MmToPts(tr->c.y - ptMin.y));
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// same issue with cracks, stroke it to avoid them
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double sw = max(ptMax.x - ptMin.x, ptMax.y - ptMin.y) / 1000;
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fprintf(f,
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"%.3f %.3f %.3f setrgbcolor\r\n"
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"%.3f setlinewidth\r\n"
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"newpath\r\n"
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" %.3f %.3f moveto\r\n"
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" %.3f %.3f lineto\r\n"
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" %.3f %.3f lineto\r\n"
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" closepath\r\n"
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"stroke\r\n",
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REDf(tr->meta.color), GREENf(tr->meta.color), BLUEf(tr->meta.color),
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MmToPts(sw),
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MmToPts(tr->a.x - ptMin.x), MmToPts(tr->a.y - ptMin.y),
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MmToPts(tr->b.x - ptMin.x), MmToPts(tr->b.y - ptMin.y),
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MmToPts(tr->c.x - ptMin.x), MmToPts(tr->c.y - ptMin.y));
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}
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void EpsFileWriter::Bezier(DWORD rgb, double w, SBezier *sb) {
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Vector c, n = Vector::From(0, 0, 1);
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double r;
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if(sb->IsCircle(n, &c, &r)) {
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Vector p0 = sb->ctrl[0], p1 = sb->ctrl[2];
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double theta0 = atan2(p0.y - c.y, p0.x - c.x),
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theta1 = atan2(p1.y - c.y, p1.x - c.x),
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dtheta = WRAP_SYMMETRIC(theta1 - theta0, 2*PI);
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if(dtheta < 0) {
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SWAP(double, theta0, theta1);
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SWAP(Vector, p0, p1);
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}
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fprintf(f,
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"newpath\r\n"
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" %.3f %.3f moveto\r\n"
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" %.3f %.3f %.3f %.3f %.3f arc\r\n"
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"%s"
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"stroke\r\n",
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MmToPts(p0.x - ptMin.x), MmToPts(p0.y - ptMin.y),
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MmToPts(c.x - ptMin.x), MmToPts(c.y - ptMin.y),
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MmToPts(r),
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theta0*180/PI, theta1*180/PI,
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StyleString(rgb, w));
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} else if(sb->deg == 3 && !sb->IsRational()) {
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fprintf(f,
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"newpath\r\n"
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" %.3f %.3f moveto\r\n"
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" %.3f %.3f %.3f %.3f %.3f %.3f curveto\r\n"
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"%s"
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"stroke\r\n",
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MmToPts(sb->ctrl[0].x - ptMin.x), MmToPts(sb->ctrl[0].y - ptMin.y),
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MmToPts(sb->ctrl[1].x - ptMin.x), MmToPts(sb->ctrl[1].y - ptMin.y),
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MmToPts(sb->ctrl[2].x - ptMin.x), MmToPts(sb->ctrl[2].y - ptMin.y),
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MmToPts(sb->ctrl[3].x - ptMin.x), MmToPts(sb->ctrl[3].y - ptMin.y),
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StyleString(rgb, w));
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} else {
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BezierAsNonrationalCubic(rgb, w, sb);
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}
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}
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void EpsFileWriter::FinishAndCloseFile(void) {
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fprintf(f,
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"\r\n"
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"grestore\r\n"
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"\r\n");
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fclose(f);
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}
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//-----------------------------------------------------------------------------
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// Routines for PDF output, some extra complexity because we have to generate
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// a correct xref table.
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//-----------------------------------------------------------------------------
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char *PdfFileWriter::StyleString(DWORD rgb, double w) {
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static char ret[300];
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sprintf(ret, "1 J 1 j " // round endcaps and joins
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"%.3f w "
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"%.3f %.3f %.3f RG\r\n",
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MmToPts(w),
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REDf(rgb), GREENf(rgb), BLUEf(rgb));
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return ret;
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}
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void PdfFileWriter::StartFile(void) {
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fprintf(f,
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"%%PDF-1.1\r\n"
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"%%%c%c%c%c\r\n",
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0xe2, 0xe3, 0xcf, 0xd3);
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xref[1] = ftell(f);
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fprintf(f,
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"1 0 obj\r\n"
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" << /Type /Catalog\r\n"
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" /Outlines 2 0 R\r\n"
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" /Pages 3 0 R\r\n"
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" >>\r\n"
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"endobj\r\n");
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xref[2] = ftell(f);
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fprintf(f,
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"2 0 obj\r\n"
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" << /Type /Outlines\r\n"
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" /Count 0\r\n"
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" >>\r\n"
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"endobj\r\n");
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xref[3] = ftell(f);
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fprintf(f,
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"3 0 obj\r\n"
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" << /Type /Pages\r\n"
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" /Kids [4 0 R]\r\n"
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" /Count 1\r\n"
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" >>\r\n"
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"endobj\r\n");
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xref[4] = ftell(f);
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fprintf(f,
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"4 0 obj\r\n"
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" << /Type /Page\r\n"
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" /Parent 3 0 R\r\n"
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" /MediaBox [0 0 %.3f %.3f]\r\n"
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" /Contents 5 0 R\r\n"
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" /Resources << /ProcSet 7 0 R\r\n"
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" /Font << /F1 8 0 R >>\r\n"
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" >>\r\n"
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" >>\r\n"
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"endobj\r\n",
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MmToPts(ptMax.x - ptMin.x),
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MmToPts(ptMax.y - ptMin.y));
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xref[5] = ftell(f);
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fprintf(f,
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"5 0 obj\r\n"
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" << /Length 6 0 R >>\r\n"
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"stream\r\n");
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bodyStart = ftell(f);
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}
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void PdfFileWriter::FinishAndCloseFile(void) {
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DWORD bodyEnd = ftell(f);
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fprintf(f,
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"endstream\r\n"
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"endobj\r\n");
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xref[6] = ftell(f);
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fprintf(f,
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"6 0 obj\r\n"
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" %d\r\n"
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"endobj\r\n",
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bodyEnd - bodyStart);
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xref[7] = ftell(f);
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fprintf(f,
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"7 0 obj\r\n"
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" [/PDF /Text]\r\n"
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"endobj\r\n");
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xref[8] = ftell(f);
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fprintf(f,
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"8 0 obj\r\n"
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" << /Type /Font\r\n"
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" /Subtype /Type1\r\n"
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" /Name /F1\r\n"
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" /BaseFont /Helvetica\r\n"
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" /Encoding /WinAnsiEncoding\r\n"
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" >>\r\n"
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"endobj\r\n");
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xref[9] = ftell(f);
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fprintf(f,
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"9 0 obj\r\n"
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" << /Creator (SolveSpace)\r\n"
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" >>\r\n");
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DWORD xrefStart = ftell(f);
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fprintf(f,
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"xref\r\n"
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"0 10\r\n"
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"0000000000 65535 f\r\n");
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int i;
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for(i = 1; i <= 9; i++) {
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fprintf(f, "%010d %05d n\r\n", xref[i], 0);
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}
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fprintf(f,
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"\r\n"
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"trailer\r\n"
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" << /Size 10\r\n"
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" /Root 1 0 R\r\n"
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" /Info 9 0 R\r\n"
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" >>\r\n"
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"startxref\r\n"
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"%d\r\n"
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"%%%%EOF\r\n",
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xrefStart);
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fclose(f);
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}
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void PdfFileWriter::LineSegment(DWORD rgb, double w, Vector ptA, Vector ptB) {
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fprintf(f,
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"%s"
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"%.3f %.3f m\r\n"
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"%.3f %.3f l\r\n"
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"S\r\n",
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StyleString(rgb, w),
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MmToPts(ptA.x - ptMin.x), MmToPts(ptA.y - ptMin.y),
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MmToPts(ptB.x - ptMin.x), MmToPts(ptB.y - ptMin.y));
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}
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void PdfFileWriter::Triangle(STriangle *tr) {
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double sw = max(ptMax.x - ptMin.x, ptMax.y - ptMin.y) / 1000;
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fprintf(f,
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"%.3f %.3f %.3f RG\r\n"
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"%.3f %.3f %.3f rg\r\n"
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"%.3f w\r\n"
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"%.3f %.3f m\r\n"
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"%.3f %.3f l\r\n"
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"%.3f %.3f l\r\n"
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"b\r\n",
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REDf(tr->meta.color), GREENf(tr->meta.color), BLUEf(tr->meta.color),
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REDf(tr->meta.color), GREENf(tr->meta.color), BLUEf(tr->meta.color),
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MmToPts(sw),
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MmToPts(tr->a.x - ptMin.x), MmToPts(tr->a.y - ptMin.y),
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MmToPts(tr->b.x - ptMin.x), MmToPts(tr->b.y - ptMin.y),
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MmToPts(tr->c.x - ptMin.x), MmToPts(tr->c.y - ptMin.y));
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}
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void PdfFileWriter::Bezier(DWORD rgb, double w, SBezier *sb) {
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if(sb->deg == 3 && !sb->IsRational()) {
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fprintf(f,
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"%s"
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"%.3f %.3f m\r\n"
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"%.3f %.3f %.3f %.3f %.3f %.3f c\r\n"
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"S\r\n",
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StyleString(rgb, w),
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MmToPts(sb->ctrl[0].x - ptMin.x), MmToPts(sb->ctrl[0].y - ptMin.y),
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MmToPts(sb->ctrl[1].x - ptMin.x), MmToPts(sb->ctrl[1].y - ptMin.y),
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MmToPts(sb->ctrl[2].x - ptMin.x), MmToPts(sb->ctrl[2].y - ptMin.y),
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MmToPts(sb->ctrl[3].x - ptMin.x), MmToPts(sb->ctrl[3].y - ptMin.y));
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} else {
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BezierAsNonrationalCubic(rgb, w, sb);
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}
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}
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//-----------------------------------------------------------------------------
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// Routines for SVG output
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//-----------------------------------------------------------------------------
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char *SvgFileWriter::StyleString(DWORD rgb, double w) {
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static char ret[200];
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sprintf(ret, "stroke-width='%.3f' stroke='#%02x%02x%02x' "
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"style='fill: none;' "
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"stroke-linecap='round' stroke-linejoin='round' ",
|
|
w, RED(rgb), GREEN(rgb), BLUE(rgb));
|
|
return ret;
|
|
}
|
|
|
|
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) + 1, (ptMax.y - ptMin.y) + 1,
|
|
(ptMax.x - ptMin.x) + 1, (ptMax.y - ptMin.y) + 1);
|
|
// A little bit of extra space for the stroke width.
|
|
}
|
|
|
|
void SvgFileWriter::LineSegment(DWORD rgb, double w, Vector ptA, Vector ptB) {
|
|
// SVG uses a coordinate system with the origin at top left, +y down
|
|
fprintf(f,
|
|
"<polyline points='%.3f,%.3f %.3f,%.3f' %s />\r\n",
|
|
(ptA.x - ptMin.x), (ptMax.y - ptA.y),
|
|
(ptB.x - ptMin.x), (ptMax.y - ptB.y),
|
|
StyleString(rgb, w));
|
|
}
|
|
|
|
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),
|
|
RED(tr->meta.color), GREEN(tr->meta.color), BLUE(tr->meta.color),
|
|
sw,
|
|
RED(tr->meta.color), GREEN(tr->meta.color), BLUE(tr->meta.color));
|
|
}
|
|
|
|
void SvgFileWriter::Bezier(DWORD rgb, double w, SBezier *sb) {
|
|
Vector c, n = Vector::From(0, 0, 1);
|
|
double r;
|
|
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. And arrange it
|
|
// to run counter-clockwise, which corresponds to clockwise in
|
|
// SVG's mirrored coordinate system.
|
|
if(dtheta < 0) {
|
|
SWAP(Vector, p0, p1);
|
|
}
|
|
fprintf(f,
|
|
"<path d='M%.3f,%.3f "
|
|
"A%.3f,%.3f 0 0,0 %.3f,%.3f' %s />\r\n",
|
|
p0.x - ptMin.x, ptMax.y - p0.y,
|
|
r, r,
|
|
p1.x - ptMin.x, ptMax.y - p1.y,
|
|
StyleString(rgb, w));
|
|
} else if(!sb->IsRational()) {
|
|
if(sb->deg == 1) {
|
|
LineSegment(rgb, w, sb->ctrl[0], sb->ctrl[1]);
|
|
} else if(sb->deg == 2) {
|
|
fprintf(f,
|
|
"<path d='M%.3f,%.3f "
|
|
"Q%.3f,%.3f %.3f,%.3f' %s />\r\n",
|
|
sb->ctrl[0].x - ptMin.x, ptMax.y - sb->ctrl[0].y,
|
|
sb->ctrl[1].x - ptMin.x, ptMax.y - sb->ctrl[1].y,
|
|
sb->ctrl[2].x - ptMin.x, ptMax.y - sb->ctrl[2].y,
|
|
StyleString(rgb, w));
|
|
} else if(sb->deg == 3) {
|
|
fprintf(f,
|
|
"<path d='M%.3f,%.3f "
|
|
"C%.3f,%.3f %.3f,%.3f %.3f,%.3f' %s />\r\n",
|
|
sb->ctrl[0].x - ptMin.x, ptMax.y - sb->ctrl[0].y,
|
|
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,
|
|
StyleString(rgb, w));
|
|
}
|
|
} else {
|
|
BezierAsNonrationalCubic(rgb, w, 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::LineSegment(DWORD rgb, double w, Vector ptA, Vector ptB) {
|
|
fprintf(f, "PU%d,%d;\r\n",
|
|
(int)MmToHpglUnits(ptA.x),
|
|
(int)MmToHpglUnits(ptA.y));
|
|
fprintf(f, "PD%d,%d;\r\n",
|
|
(int)MmToHpglUnits(ptB.x),
|
|
(int)MmToHpglUnits(ptB.y));
|
|
}
|
|
|
|
void HpglFileWriter::Triangle(STriangle *tr) {
|
|
}
|
|
|
|
void HpglFileWriter::Bezier(DWORD rgb, double w, SBezier *sb) {
|
|
BezierAsPwl(rgb, w, sb);
|
|
}
|
|
|
|
void HpglFileWriter::FinishAndCloseFile(void) {
|
|
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) {
|
|
ZERO(&sfw);
|
|
sfw.f = f;
|
|
sfw.WriteHeader();
|
|
}
|
|
|
|
void Step2dFileWriter::Triangle(STriangle *tr) {
|
|
}
|
|
|
|
void Step2dFileWriter::LineSegment(DWORD rgb, double w, Vector ptA, Vector ptB)
|
|
{
|
|
SBezier sb = SBezier::From(ptA, ptB);
|
|
Bezier(rgb, w, &sb);
|
|
}
|
|
|
|
void Step2dFileWriter::Bezier(DWORD rgb, double w, SBezier *sb) {
|
|
int c = sfw.ExportCurve(sb);
|
|
sfw.curves.Add(&c);
|
|
}
|
|
|
|
void Step2dFileWriter::FinishAndCloseFile(void) {
|
|
sfw.WriteWireframe();
|
|
sfw.WriteFooter();
|
|
fclose(f);
|
|
}
|
|
|