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SVG export: Implemented flipping in Y axis. Now flipped by default

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to match the 3D print paths view when looking at the print from the top.
This commit is contained in:
Vojtech Bubnik 2020-11-16 10:18:51 +01:00
parent 4d102ac8ca
commit 32362cff0b
2 changed files with 74 additions and 98 deletions
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24
src/libslic3r/SVG.hpp
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@ -16,27 +16,28 @@ public:
bool arrows;
std::string fill, stroke;
Point origin;
bool flipY;
float height;
bool flipY;
SVG(const char* afilename) :
arrows(false), fill("grey"), stroke("black"), filename(afilename), flipY(false)
{ open(filename); }
SVG(const char* afilename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool aflipY = false) :
arrows(false), fill("grey"), stroke("black"), filename(afilename), origin(bbox.min - Point(bbox_offset, bbox_offset)), flipY(aflipY)
{ open(filename, bbox, bbox_offset, aflipY); }
SVG(const char* afilename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool flipY = true) :
arrows(false), fill("grey"), stroke("black"), filename(afilename), origin(bbox.min - Point(bbox_offset, bbox_offset)), flipY(flipY)
{ open(filename, bbox, bbox_offset, flipY); }
SVG(const std::string &filename) :
arrows(false), fill("grey"), stroke("black"), filename(filename), flipY(false)
{ open(filename); }
SVG(const std::string &filename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool aflipY = false) :
arrows(false), fill("grey"), stroke("black"), filename(filename), origin(bbox.min - Point(bbox_offset, bbox_offset)), flipY(aflipY)
{ open(filename, bbox, bbox_offset, aflipY); }
SVG(const std::string &filename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool flipY = true) :
arrows(false), fill("grey"), stroke("black"), filename(filename), origin(bbox.min - Point(bbox_offset, bbox_offset)), flipY(flipY)
{ open(filename, bbox, bbox_offset, flipY); }
~SVG() { if (f != NULL) Close(); }
bool open(const char* filename);
bool open(const char* filename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool flipY = false);
bool open(const char* filename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool flipY = true);
bool open(const std::string &filename)
{ return open(filename.c_str()); }
bool open(const std::string &filename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool flipY = false)
bool open(const std::string &filename, const BoundingBox &bbox, const coord_t bbox_offset = scale_(1.), bool flipY = true)
{ return open(filename.c_str(), bbox, bbox_offset, flipY); }
void draw(const Line &line, std::string stroke = "black", coordf_t stroke_width = 0);
@ -127,6 +128,11 @@ public:
};
static void export_expolygons(const char *path, const std::vector<std::pair<Slic3r::ExPolygons, ExPolygonAttributes>> &expolygons_with_attributes);
private:
static float to_svg_coord(float x) throw() { return unscale<float>(x) * 10.f; }
static float to_svg_x(float x) throw() { return to_svg_coord(x); }
float to_svg_y(float x) const throw() { return flipY ? this->height - to_svg_coord(x) : to_svg_coord(x); }
};
}