diff options
Diffstat (limited to 'dxfdim.cc')
| -rw-r--r-- | dxfdim.cc | 33 |
1 files changed, 30 insertions, 3 deletions
@@ -21,6 +21,13 @@ #include "openscad.h" #include "printutils.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +QHash<QString,Value> dxf_dim_cache; +QHash<QString,Value> dxf_cross_cache; + Value builtin_dxf_dim(const QVector<QString> &argnames, const QVector<Value> &args) { QString filename; @@ -43,6 +50,16 @@ Value builtin_dxf_dim(const QVector<QString> &argnames, const QVector<Value> &ar name = args[i].text; } + struct stat st; + memset(&st, 0, sizeof(struct stat)); + stat(filename.toAscii().data(), &st); + + QString key = filename + "|" + layername + "|" + name + "|" + QString::number(xorigin) + "|" + QString::number(yorigin) + + "|" + QString::number(scale) + "|" + QString::number(st.st_mtime) + "|" + QString::number(st.st_size); + + if (dxf_dim_cache.contains(key)) + return dxf_dim_cache[key]; + DxfData dxf(36, 0, 0, filename, layername, xorigin, yorigin, scale); for (int i = 0; i < dxf.dims.count(); i++) @@ -59,7 +76,7 @@ Value builtin_dxf_dim(const QVector<QString> &argnames, const QVector<Value> &ar double y = d->coords[4][1] - d->coords[3][1]; double angle = d->angle; double distance_projected_on_line = fabs(x * cos(angle*M_PI/180) + y * sin(angle*M_PI/180)); - return Value(distance_projected_on_line); + return dxf_dim_cache[key] = Value(distance_projected_on_line); } if (type == 1) { // Aligned @@ -68,7 +85,7 @@ Value builtin_dxf_dim(const QVector<QString> &argnames, const QVector<Value> &ar // Angular double a1 = atan2(d->coords[0][0] - d->coords[5][0], d->coords[0][1] - d->coords[5][1]); double a2 = atan2(d->coords[4][0] - d->coords[3][0], d->coords[4][1] - d->coords[3][1]); - return Value(fabs(a1 - a2) * 180 / M_PI); + return dxf_dim_cache[key] = Value(fabs(a1 - a2) * 180 / M_PI); } if (type == 3) { // Diameter @@ -108,6 +125,16 @@ Value builtin_dxf_cross(const QVector<QString> &argnames, const QVector<Value> & args[i].getnum(scale); } + struct stat st; + memset(&st, 0, sizeof(struct stat)); + stat(filename.toAscii().data(), &st); + + QString key = filename + "|" + layername + "|" + QString::number(xorigin) + "|" + QString::number(yorigin) + + "|" + QString::number(scale) + "|" + QString::number(st.st_mtime) + "|" + QString::number(st.st_size); + + if (dxf_cross_cache.contains(key)) + return dxf_cross_cache[key]; + DxfData dxf(36, 0, 0, filename, layername, xorigin, yorigin, scale); double coords[4][2]; @@ -136,7 +163,7 @@ Value builtin_dxf_cross(const QVector<QString> &argnames, const QVector<Value> & ret.type = Value::VECTOR; ret.vec.append(new Value(x)); ret.vec.append(new Value(y)); - return ret; + return dxf_cross_cache[key] = ret; } } |