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https://github.com/SoftFever/OrcaSlicer.git
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Initial version of sl1 import with sla::Raster refactor.
This commit is contained in:
tamasmeszaros
parent
6eb51a1cca
commit
247fca6d55
39 changed files with 2136 additions and 1094 deletions
222
src/libslic3r/SLA/AGGRaster.hpp
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src/libslic3r/SLA/AGGRaster.hpp
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@ -0,0 +1,222 @@
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#ifndef AGGRASTER_HPP
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#define AGGRASTER_HPP
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#include <libslic3r/SLA/RasterBase.hpp>
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#include "libslic3r/ExPolygon.hpp"
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#include "libslic3r/MTUtils.hpp"
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#include <libnest2d/backends/clipper/clipper_polygon.hpp>
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// For rasterizing
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#include <agg/agg_basics.h>
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#include <agg/agg_rendering_buffer.h>
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#include <agg/agg_pixfmt_gray.h>
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#include <agg/agg_pixfmt_rgb.h>
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#include <agg/agg_renderer_base.h>
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#include <agg/agg_renderer_scanline.h>
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#include <agg/agg_scanline_p.h>
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#include <agg/agg_rasterizer_scanline_aa.h>
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#include <agg/agg_path_storage.h>
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namespace Slic3r {
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inline const Polygon& contour(const ExPolygon& p) { return p.contour; }
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inline const ClipperLib::Path& contour(const ClipperLib::Polygon& p) { return p.Contour; }
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inline const Polygons& holes(const ExPolygon& p) { return p.holes; }
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inline const ClipperLib::Paths& holes(const ClipperLib::Polygon& p) { return p.Holes; }
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namespace sla {
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template<class Color> struct Colors {
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static const Color White;
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static const Color Black;
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};
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template<class Color> const Color Colors<Color>::White = Color{255};
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template<class Color> const Color Colors<Color>::Black = Color{0};
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template<class PixelRenderer,
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template<class /*agg::renderer_base<PixelRenderer>*/> class Renderer,
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class Rasterizer = agg::rasterizer_scanline_aa<>,
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class Scanline = agg::scanline_p8>
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class AGGRaster: public RasterBase {
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public:
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using TColor = typename PixelRenderer::color_type;
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using TValue = typename TColor::value_type;
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using TPixel = typename PixelRenderer::pixel_type;
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using TRawBuffer = agg::rendering_buffer;
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protected:
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Resolution m_resolution;
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PixelDim m_pxdim_scaled; // used for scaled coordinate polygons
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std::vector<TPixel> m_buf;
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agg::rendering_buffer m_rbuf;
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PixelRenderer m_pixrenderer;
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agg::renderer_base<PixelRenderer> m_raw_renderer;
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Renderer<agg::renderer_base<PixelRenderer>> m_renderer;
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Trafo m_trafo;
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Scanline m_scanlines;
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Rasterizer m_rasterizer;
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void flipy(agg::path_storage &path) const
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{
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path.flip_y(0, double(m_resolution.height_px));
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}
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void flipx(agg::path_storage &path) const
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{
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path.flip_x(0, double(m_resolution.width_px));
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}
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double getPx(const Point &p) { return p(0) * m_pxdim_scaled.w_mm; }
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double getPy(const Point &p) { return p(1) * m_pxdim_scaled.h_mm; }
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agg::path_storage to_path(const Polygon &poly) { return to_path(poly.points); }
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double getPx(const ClipperLib::IntPoint &p) { return p.X * m_pxdim_scaled.w_mm; }
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double getPy(const ClipperLib::IntPoint& p) { return p.Y * m_pxdim_scaled.h_mm; }
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template<class PointVec> agg::path_storage _to_path(const PointVec& v)
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{
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agg::path_storage path;
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auto it = v.begin();
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path.move_to(getPx(*it), getPy(*it));
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while(++it != v.end()) path.line_to(getPx(*it), getPy(*it));
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path.line_to(getPx(v.front()), getPy(v.front()));
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return path;
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}
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template<class PointVec> agg::path_storage _to_path_flpxy(const PointVec& v)
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{
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agg::path_storage path;
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auto it = v.begin();
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path.move_to(getPy(*it), getPx(*it));
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while(++it != v.end()) path.line_to(getPy(*it), getPx(*it));
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path.line_to(getPy(v.front()), getPx(v.front()));
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return path;
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}
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template<class PointVec> agg::path_storage to_path(const PointVec &v)
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{
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auto path = m_trafo.flipXY ? _to_path_flpxy(v) : _to_path(v);
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path.translate_all_paths(m_trafo.center_x * m_pxdim_scaled.w_mm,
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m_trafo.center_y * m_pxdim_scaled.h_mm);
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if(m_trafo.mirror_x) flipx(path);
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if(m_trafo.mirror_y) flipy(path);
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return path;
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}
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template<class P> void _draw(const P &poly)
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{
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m_rasterizer.reset();
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m_rasterizer.add_path(to_path(contour(poly)));
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for(auto& h : holes(poly)) m_rasterizer.add_path(to_path(h));
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agg::render_scanlines(m_rasterizer, m_scanlines, m_renderer);
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}
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public:
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template<class GammaFn> AGGRaster(const Resolution &res,
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const PixelDim & pd,
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const Trafo & trafo,
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const TColor & foreground,
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const TColor & background,
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GammaFn && gammafn)
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: m_resolution(res)
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, m_pxdim_scaled(SCALING_FACTOR / pd.w_mm, SCALING_FACTOR / pd.h_mm)
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, m_buf(res.pixels())
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, m_rbuf(reinterpret_cast<TValue *>(m_buf.data()),
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unsigned(res.width_px),
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unsigned(res.height_px),
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int(res.width_px *PixelRenderer::num_components))
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, m_pixrenderer(m_rbuf)
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, m_raw_renderer(m_pixrenderer)
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, m_renderer(m_raw_renderer)
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, m_trafo(trafo)
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{
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m_renderer.color(foreground);
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clear(background);
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m_rasterizer.gamma(gammafn);
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}
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Trafo trafo() const override { return m_trafo; }
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Resolution resolution() const override { return m_resolution; }
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PixelDim pixel_dimensions() const override
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{
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return {SCALING_FACTOR / m_pxdim_scaled.w_mm,
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SCALING_FACTOR / m_pxdim_scaled.h_mm};
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}
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void draw(const ExPolygon &poly) override { _draw(poly); }
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void draw(const ClipperLib::Polygon &poly) override { _draw(poly); }
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EncodedRaster encode(RasterEncoder encoder) const override
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{
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return encoder(m_buf.data(), m_resolution.width_px, m_resolution.height_px, 1);
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}
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void clear(const TColor color) { m_raw_renderer.clear(color); }
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};
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/*
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* Captures an anti-aliased monochrome canvas where vectorial
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* polygons can be rasterized. Fill color is always white and the background is
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* black. Contours are anti-aliased.
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*
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* A gamma function can be specified at compile time to make it more flexible.
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*/
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using _RasterGrayscaleAA =
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AGGRaster<agg::pixfmt_gray8, agg::renderer_scanline_aa_solid>;
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class RasterGrayscaleAA : public _RasterGrayscaleAA {
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using Base = _RasterGrayscaleAA;
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using typename Base::TColor;
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using typename Base::TValue;
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public:
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template<class GammaFn>
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RasterGrayscaleAA(const RasterBase::Resolution &res,
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const RasterBase::PixelDim & pd,
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const RasterBase::Trafo & trafo,
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GammaFn && fn)
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: Base(res, pd, trafo, Colors<TColor>::White, Colors<TColor>::Black,
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std::forward<GammaFn>(fn))
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{}
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uint8_t read_pixel(size_t col, size_t row) const
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{
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static_assert(std::is_same<TValue, uint8_t>::value, "Not grayscale pix");
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uint8_t px;
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Base::m_buf[row * Base::resolution().width_px + col].get(px);
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return px;
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}
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void clear() { Base::clear(Colors<TColor>::Black); }
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};
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class RasterGrayscaleAAGammaPower: public RasterGrayscaleAA {
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public:
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RasterGrayscaleAAGammaPower(const RasterBase::Resolution &res,
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const RasterBase::PixelDim & pd,
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const RasterBase::Trafo & trafo,
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double gamma = 1.)
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: RasterGrayscaleAA(res, pd, trafo, agg::gamma_power(gamma))
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{}
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};
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}} // namespace Slic3r::sla
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#endif // AGGRASTER_HPP
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@ -11,6 +11,8 @@
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#include "Tesselate.hpp"
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#include "MTUtils.hpp"
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#include "TriangulateWall.hpp"
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// For debugging:
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// #include <fstream>
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// #include <libnest2d/tools/benchmark.h>
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@ -27,186 +29,27 @@ namespace Slic3r { namespace sla {
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namespace {
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/// This function will return a triangulation of a sheet connecting an upper
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/// and a lower plate given as input polygons. It will not triangulate the
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/// plates themselves only the sheet. The caller has to specify the lower and
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/// upper z levels in world coordinates as well as the offset difference
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/// between the sheets. If the lower_z_mm is higher than upper_z_mm or the
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/// offset difference is negative, the resulting triangle orientation will be
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/// reversed.
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///
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/// IMPORTANT: This is not a universal triangulation algorithm. It assumes
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/// that the lower and upper polygons are offsetted versions of the same
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/// original polygon. In general, it assumes that one of the polygons is
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/// completely inside the other. The offset difference is the reference
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/// distance from the inner polygon's perimeter to the outer polygon's
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/// perimeter. The real distance will be variable as the clipper offset has
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/// different strategies (rounding, etc...). This algorithm should have
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/// O(2n + 3m) complexity where n is the number of upper vertices and m is the
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/// number of lower vertices.
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Contour3D walls(
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const Polygon &lower,
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const Polygon &upper,
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double lower_z_mm,
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double upper_z_mm,
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double offset_difference_mm,
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ThrowOnCancel thr = [] {})
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double upper_z_mm)
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{
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Wall w = triangulate_wall(lower, upper, lower_z_mm, upper_z_mm);
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Contour3D ret;
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if(upper.points.size() < 3 || lower.size() < 3) return ret;
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// The concept of the algorithm is relatively simple. It will try to find
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// the closest vertices from the upper and the lower polygon and use those
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// as starting points. Then it will create the triangles sequentially using
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// an edge from the upper polygon and a vertex from the lower or vice versa,
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// depending on the resulting triangle's quality.
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// The quality is measured by a scalar value. So far it looks like it is
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// enough to derive it from the slope of the triangle's two edges connecting
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// the upper and the lower part. A reference slope is calculated from the
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// height and the offset difference.
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// Offset in the index array for the ceiling
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const auto offs = upper.points.size();
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// Shorthand for the vertex arrays
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auto& upts = upper.points, &lpts = lower.points;
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auto& rpts = ret.points; auto& ind = ret.faces3;
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// If the Z levels are flipped, or the offset difference is negative, we
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// will interpret that as the triangles normals should be inverted.
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bool inverted = upper_z_mm < lower_z_mm || offset_difference_mm < 0;
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// Copy the points into the mesh, convert them from 2D to 3D
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rpts.reserve(upts.size() + lpts.size());
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ind.reserve(2 * upts.size() + 2 * lpts.size());
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for (auto &p : upts)
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rpts.emplace_back(unscaled(p.x()), unscaled(p.y()), upper_z_mm);
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for (auto &p : lpts)
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rpts.emplace_back(unscaled(p.x()), unscaled(p.y()), lower_z_mm);
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// Create pointing indices into vertex arrays. u-upper, l-lower
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size_t uidx = 0, lidx = offs, unextidx = 1, lnextidx = offs + 1;
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// Simple squared distance calculation.
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auto distfn = [](const Vec3d& p1, const Vec3d& p2) {
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auto p = p1 - p2; return p.transpose() * p;
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};
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// We need to find the closest point on lower polygon to the first point on
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// the upper polygon. These will be our starting points.
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double distmin = std::numeric_limits<double>::max();
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for(size_t l = lidx; l < rpts.size(); ++l) {
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thr();
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double d = distfn(rpts[l], rpts[uidx]);
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if(d < distmin) { lidx = l; distmin = d; }
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}
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// Set up lnextidx to be ahead of lidx in cyclic mode
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lnextidx = lidx + 1;
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if(lnextidx == rpts.size()) lnextidx = offs;
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// This will be the flip switch to toggle between upper and lower triangle
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// creation mode
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enum class Proceed {
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UPPER, // A segment from the upper polygon and one vertex from the lower
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LOWER // A segment from the lower polygon and one vertex from the upper
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} proceed = Proceed::UPPER;
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// Flags to help evaluating loop termination.
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bool ustarted = false, lstarted = false;
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// The variables for the fitness values, one for the actual and one for the
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// previous.
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double current_fit = 0, prev_fit = 0;
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// Every triangle of the wall has two edges connecting the upper plate with
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// the lower plate. From the length of these two edges and the zdiff we
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// can calculate the momentary squared offset distance at a particular
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// position on the wall. The average of the differences from the reference
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// (squared) offset distance will give us the driving fitness value.
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const double offsdiff2 = std::pow(offset_difference_mm, 2);
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const double zdiff2 = std::pow(upper_z_mm - lower_z_mm, 2);
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// Mark the current vertex iterator positions. If the iterators return to
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// the same position, the loop can be terminated.
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size_t uendidx = uidx, lendidx = lidx;
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do { thr(); // check throw if canceled
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prev_fit = current_fit;
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switch(proceed) { // proceed depending on the current state
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case Proceed::UPPER:
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if(!ustarted || uidx != uendidx) { // there are vertices remaining
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// Get the 3D vertices in order
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const Vec3d& p_up1 = rpts[uidx];
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const Vec3d& p_low = rpts[lidx];
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const Vec3d& p_up2 = rpts[unextidx];
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// Calculate fitness: the average of the two connecting edges
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double a = offsdiff2 - (distfn(p_up1, p_low) - zdiff2);
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double b = offsdiff2 - (distfn(p_up2, p_low) - zdiff2);
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current_fit = (std::abs(a) + std::abs(b)) / 2;
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if(current_fit > prev_fit) { // fit is worse than previously
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proceed = Proceed::LOWER;
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} else { // good to go, create the triangle
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inverted
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? ind.emplace_back(int(unextidx), int(lidx), int(uidx))
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: ind.emplace_back(int(uidx), int(lidx), int(unextidx));
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// Increment the iterators, rotate if necessary
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++uidx; ++unextidx;
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if(unextidx == offs) unextidx = 0;
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if(uidx == offs) uidx = 0;
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ustarted = true; // mark the movement of the iterators
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// so that the comparison to uendidx can be made correctly
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}
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} else proceed = Proceed::LOWER;
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break;
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case Proceed::LOWER:
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// Mode with lower segment, upper vertex. Same structure:
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if(!lstarted || lidx != lendidx) {
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const Vec3d& p_low1 = rpts[lidx];
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const Vec3d& p_low2 = rpts[lnextidx];
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const Vec3d& p_up = rpts[uidx];
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double a = offsdiff2 - (distfn(p_up, p_low1) - zdiff2);
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double b = offsdiff2 - (distfn(p_up, p_low2) - zdiff2);
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current_fit = (std::abs(a) + std::abs(b)) / 2;
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if(current_fit > prev_fit) {
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proceed = Proceed::UPPER;
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} else {
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inverted
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? ind.emplace_back(int(uidx), int(lnextidx), int(lidx))
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: ind.emplace_back(int(lidx), int(lnextidx), int(uidx));
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++lidx; ++lnextidx;
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if(lnextidx == rpts.size()) lnextidx = offs;
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if(lidx == rpts.size()) lidx = offs;
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lstarted = true;
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}
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} else proceed = Proceed::UPPER;
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break;
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} // end of switch
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} while(!ustarted || !lstarted || uidx != uendidx || lidx != lendidx);
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ret.points = std::move(w.first);
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ret.faces3 = std::move(w.second);
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return ret;
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}
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// Same as walls() but with identical higher and lower polygons.
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Contour3D inline straight_walls(const Polygon &plate,
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double lo_z,
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double hi_z,
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ThrowOnCancel thr)
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double hi_z)
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{
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return walls(plate, plate, lo_z, hi_z, .0 /*offset_diff*/, thr);
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return walls(plate, plate, lo_z, hi_z);
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}
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// Function to cut tiny connector cavities for a given polygon. The input poly
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@ -534,10 +377,8 @@ bool add_cavity(Contour3D &pad, ExPolygon &top_poly, const PadConfig3D &cfg,
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top_poly = pdiff.front();
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|
||||
double z_min = -cfg.wing_height, z_max = 0;
|
||||
double offset_difference = -wing_distance;
|
||||
pad.merge(walls(inner_base.contour, middle_base.contour, z_min, z_max,
|
||||
offset_difference, thr));
|
||||
|
||||
pad.merge(walls(inner_base.contour, middle_base.contour, z_min, z_max));
|
||||
thr();
|
||||
pad.merge(triangulate_expolygon_3d(inner_base, z_min, NORMALS_UP));
|
||||
|
||||
return true;
|
||||
|
|
@ -555,17 +396,17 @@ Contour3D create_outer_pad_geometry(const ExPolygons & skeleton,
|
|||
offset_contour_only(pad_part, -scaled(cfg.bottom_offset()));
|
||||
|
||||
if (bottom_poly.empty()) continue;
|
||||
|
||||
thr();
|
||||
|
||||
double z_min = -cfg.height, z_max = 0;
|
||||
ret.merge(walls(top_poly.contour, bottom_poly.contour, z_max, z_min,
|
||||
cfg.bottom_offset(), thr));
|
||||
ret.merge(walls(top_poly.contour, bottom_poly.contour, z_max, z_min));
|
||||
|
||||
if (cfg.wing_height > 0. && add_cavity(ret, top_poly, cfg, thr))
|
||||
z_max = -cfg.wing_height;
|
||||
|
||||
for (auto &h : bottom_poly.holes)
|
||||
ret.merge(straight_walls(h, z_max, z_min, thr));
|
||||
|
||||
ret.merge(straight_walls(h, z_max, z_min));
|
||||
|
||||
ret.merge(triangulate_expolygon_3d(bottom_poly, z_min, NORMALS_DOWN));
|
||||
ret.merge(triangulate_expolygon_3d(top_poly, NORMALS_UP));
|
||||
}
|
||||
|
|
@ -581,11 +422,12 @@ Contour3D create_inner_pad_geometry(const ExPolygons & skeleton,
|
|||
|
||||
double z_max = 0., z_min = -cfg.height;
|
||||
for (const ExPolygon &pad_part : skeleton) {
|
||||
ret.merge(straight_walls(pad_part.contour, z_max, z_min,thr));
|
||||
thr();
|
||||
ret.merge(straight_walls(pad_part.contour, z_max, z_min));
|
||||
|
||||
for (auto &h : pad_part.holes)
|
||||
ret.merge(straight_walls(h, z_max, z_min, thr));
|
||||
|
||||
ret.merge(straight_walls(h, z_max, z_min));
|
||||
|
||||
ret.merge(triangulate_expolygon_3d(pad_part, z_min, NORMALS_DOWN));
|
||||
ret.merge(triangulate_expolygon_3d(pad_part, z_max, NORMALS_UP));
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,320 +0,0 @@
|
|||
#ifndef SLARASTER_CPP
|
||||
#define SLARASTER_CPP
|
||||
|
||||
#include <functional>
|
||||
|
||||
#include <libslic3r/SLA/Raster.hpp>
|
||||
#include "libslic3r/ExPolygon.hpp"
|
||||
#include "libslic3r/MTUtils.hpp"
|
||||
#include <libnest2d/backends/clipper/clipper_polygon.hpp>
|
||||
|
||||
// For rasterizing
|
||||
#include <agg/agg_basics.h>
|
||||
#include <agg/agg_rendering_buffer.h>
|
||||
#include <agg/agg_pixfmt_gray.h>
|
||||
#include <agg/agg_pixfmt_rgb.h>
|
||||
#include <agg/agg_renderer_base.h>
|
||||
#include <agg/agg_renderer_scanline.h>
|
||||
|
||||
#include <agg/agg_scanline_p.h>
|
||||
#include <agg/agg_rasterizer_scanline_aa.h>
|
||||
#include <agg/agg_path_storage.h>
|
||||
|
||||
// Experimental minz image write:
|
||||
#include <miniz.h>
|
||||
|
||||
namespace Slic3r {
|
||||
|
||||
inline const Polygon& contour(const ExPolygon& p) { return p.contour; }
|
||||
inline const ClipperLib::Path& contour(const ClipperLib::Polygon& p) { return p.Contour; }
|
||||
|
||||
inline const Polygons& holes(const ExPolygon& p) { return p.holes; }
|
||||
inline const ClipperLib::Paths& holes(const ClipperLib::Polygon& p) { return p.Holes; }
|
||||
|
||||
namespace sla {
|
||||
|
||||
const Raster::TMirroring Raster::NoMirror = {false, false};
|
||||
const Raster::TMirroring Raster::MirrorX = {true, false};
|
||||
const Raster::TMirroring Raster::MirrorY = {false, true};
|
||||
const Raster::TMirroring Raster::MirrorXY = {true, true};
|
||||
|
||||
|
||||
using TPixelRenderer = agg::pixfmt_gray8; // agg::pixfmt_rgb24;
|
||||
using TRawRenderer = agg::renderer_base<TPixelRenderer>;
|
||||
using TPixel = TPixelRenderer::color_type;
|
||||
using TRawBuffer = agg::rendering_buffer;
|
||||
using TBuffer = std::vector<TPixelRenderer::pixel_type>;
|
||||
|
||||
using TRendererAA = agg::renderer_scanline_aa_solid<TRawRenderer>;
|
||||
|
||||
class Raster::Impl {
|
||||
public:
|
||||
|
||||
static const TPixel ColorWhite;
|
||||
static const TPixel ColorBlack;
|
||||
|
||||
using Format = Raster::RawData;
|
||||
|
||||
private:
|
||||
Raster::Resolution m_resolution;
|
||||
Raster::PixelDim m_pxdim_scaled; // used for scaled coordinate polygons
|
||||
TBuffer m_buf;
|
||||
TRawBuffer m_rbuf;
|
||||
TPixelRenderer m_pixfmt;
|
||||
TRawRenderer m_raw_renderer;
|
||||
TRendererAA m_renderer;
|
||||
|
||||
std::function<double(double)> m_gammafn;
|
||||
Trafo m_trafo;
|
||||
|
||||
inline void flipy(agg::path_storage& path) const {
|
||||
path.flip_y(0, double(m_resolution.height_px));
|
||||
}
|
||||
|
||||
inline void flipx(agg::path_storage& path) const {
|
||||
path.flip_x(0, double(m_resolution.width_px));
|
||||
}
|
||||
|
||||
public:
|
||||
inline Impl(const Raster::Resolution & res,
|
||||
const Raster::PixelDim & pd,
|
||||
const Trafo &trafo)
|
||||
: m_resolution(res)
|
||||
, m_pxdim_scaled(SCALING_FACTOR / pd.w_mm, SCALING_FACTOR / pd.h_mm)
|
||||
, m_buf(res.pixels())
|
||||
, m_rbuf(reinterpret_cast<TPixelRenderer::value_type *>(m_buf.data()),
|
||||
unsigned(res.width_px),
|
||||
unsigned(res.height_px),
|
||||
int(res.width_px * TPixelRenderer::num_components))
|
||||
, m_pixfmt(m_rbuf)
|
||||
, m_raw_renderer(m_pixfmt)
|
||||
, m_renderer(m_raw_renderer)
|
||||
, m_trafo(trafo)
|
||||
{
|
||||
m_renderer.color(ColorWhite);
|
||||
|
||||
if (trafo.gamma > 0) m_gammafn = agg::gamma_power(trafo.gamma);
|
||||
else m_gammafn = agg::gamma_threshold(0.5);
|
||||
|
||||
clear();
|
||||
}
|
||||
|
||||
template<class P> void draw(const P &poly) {
|
||||
agg::rasterizer_scanline_aa<> ras;
|
||||
agg::scanline_p8 scanlines;
|
||||
|
||||
ras.gamma(m_gammafn);
|
||||
|
||||
ras.add_path(to_path(contour(poly)));
|
||||
for(auto& h : holes(poly)) ras.add_path(to_path(h));
|
||||
|
||||
agg::render_scanlines(ras, scanlines, m_renderer);
|
||||
}
|
||||
|
||||
inline void clear() {
|
||||
m_raw_renderer.clear(ColorBlack);
|
||||
}
|
||||
|
||||
inline TBuffer& buffer() { return m_buf; }
|
||||
inline const TBuffer& buffer() const { return m_buf; }
|
||||
|
||||
|
||||
inline const Raster::Resolution resolution() { return m_resolution; }
|
||||
inline const Raster::PixelDim pixdim()
|
||||
{
|
||||
return {SCALING_FACTOR / m_pxdim_scaled.w_mm,
|
||||
SCALING_FACTOR / m_pxdim_scaled.h_mm};
|
||||
}
|
||||
|
||||
private:
|
||||
inline double getPx(const Point& p) {
|
||||
return p(0) * m_pxdim_scaled.w_mm;
|
||||
}
|
||||
|
||||
inline double getPy(const Point& p) {
|
||||
return p(1) * m_pxdim_scaled.h_mm;
|
||||
}
|
||||
|
||||
inline agg::path_storage to_path(const Polygon& poly)
|
||||
{
|
||||
return to_path(poly.points);
|
||||
}
|
||||
|
||||
inline double getPx(const ClipperLib::IntPoint& p) {
|
||||
return p.X * m_pxdim_scaled.w_mm;
|
||||
}
|
||||
|
||||
inline double getPy(const ClipperLib::IntPoint& p) {
|
||||
return p.Y * m_pxdim_scaled.h_mm;
|
||||
}
|
||||
|
||||
template<class PointVec> agg::path_storage _to_path(const PointVec& v)
|
||||
{
|
||||
agg::path_storage path;
|
||||
|
||||
auto it = v.begin();
|
||||
path.move_to(getPx(*it), getPy(*it));
|
||||
while(++it != v.end()) path.line_to(getPx(*it), getPy(*it));
|
||||
path.line_to(getPx(v.front()), getPy(v.front()));
|
||||
|
||||
return path;
|
||||
}
|
||||
|
||||
template<class PointVec> agg::path_storage _to_path_flpxy(const PointVec& v)
|
||||
{
|
||||
agg::path_storage path;
|
||||
|
||||
auto it = v.begin();
|
||||
path.move_to(getPy(*it), getPx(*it));
|
||||
while(++it != v.end()) path.line_to(getPy(*it), getPx(*it));
|
||||
path.line_to(getPy(v.front()), getPx(v.front()));
|
||||
|
||||
return path;
|
||||
}
|
||||
|
||||
template<class PointVec> agg::path_storage to_path(const PointVec &v)
|
||||
{
|
||||
auto path = m_trafo.flipXY ? _to_path_flpxy(v) : _to_path(v);
|
||||
|
||||
path.translate_all_paths(m_trafo.origin_x * m_pxdim_scaled.w_mm,
|
||||
m_trafo.origin_y * m_pxdim_scaled.h_mm);
|
||||
|
||||
if(m_trafo.mirror_x) flipx(path);
|
||||
if(m_trafo.mirror_y) flipy(path);
|
||||
|
||||
return path;
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
const TPixel Raster::Impl::ColorWhite = TPixel(255);
|
||||
const TPixel Raster::Impl::ColorBlack = TPixel(0);
|
||||
|
||||
Raster::Raster() { reset(); }
|
||||
|
||||
Raster::Raster(const Raster::Resolution &r,
|
||||
const Raster::PixelDim & pd,
|
||||
const Raster::Trafo & tr)
|
||||
{
|
||||
reset(r, pd, tr);
|
||||
}
|
||||
|
||||
Raster::~Raster() = default;
|
||||
|
||||
Raster::Raster(Raster &&m) = default;
|
||||
Raster &Raster::operator=(Raster &&) = default;
|
||||
|
||||
void Raster::reset(const Raster::Resolution &r, const Raster::PixelDim &pd,
|
||||
const Trafo &trafo)
|
||||
{
|
||||
m_impl.reset();
|
||||
m_impl.reset(new Impl(r, pd, trafo));
|
||||
}
|
||||
|
||||
void Raster::reset()
|
||||
{
|
||||
m_impl.reset();
|
||||
}
|
||||
|
||||
Raster::Resolution Raster::resolution() const
|
||||
{
|
||||
if (m_impl) return m_impl->resolution();
|
||||
|
||||
return Resolution{0, 0};
|
||||
}
|
||||
|
||||
Raster::PixelDim Raster::pixel_dimensions() const
|
||||
{
|
||||
if (m_impl) return m_impl->pixdim();
|
||||
|
||||
return PixelDim{0., 0.};
|
||||
}
|
||||
|
||||
void Raster::clear()
|
||||
{
|
||||
assert(m_impl);
|
||||
m_impl->clear();
|
||||
}
|
||||
|
||||
void Raster::draw(const ExPolygon &expoly)
|
||||
{
|
||||
assert(m_impl);
|
||||
m_impl->draw(expoly);
|
||||
}
|
||||
|
||||
void Raster::draw(const ClipperLib::Polygon &poly)
|
||||
{
|
||||
assert(m_impl);
|
||||
m_impl->draw(poly);
|
||||
}
|
||||
|
||||
uint8_t Raster::read_pixel(size_t x, size_t y) const
|
||||
{
|
||||
assert (m_impl);
|
||||
TPixel::value_type px;
|
||||
m_impl->buffer()[y * resolution().width_px + x].get(px);
|
||||
return px;
|
||||
}
|
||||
|
||||
PNGImage & PNGImage::serialize(const Raster &raster)
|
||||
{
|
||||
size_t s = 0;
|
||||
m_buffer.clear();
|
||||
|
||||
void *rawdata = tdefl_write_image_to_png_file_in_memory(
|
||||
get_internals(raster).buffer().data(),
|
||||
int(raster.resolution().width_px),
|
||||
int(raster.resolution().height_px), 1, &s);
|
||||
|
||||
// On error, data() will return an empty vector. No other info can be
|
||||
// retrieved from miniz anyway...
|
||||
if (rawdata == nullptr) return *this;
|
||||
|
||||
auto ptr = static_cast<std::uint8_t*>(rawdata);
|
||||
|
||||
m_buffer.reserve(s);
|
||||
std::copy(ptr, ptr + s, std::back_inserter(m_buffer));
|
||||
|
||||
MZ_FREE(rawdata);
|
||||
return *this;
|
||||
}
|
||||
|
||||
std::ostream &operator<<(std::ostream &stream, const Raster::RawData &bytes)
|
||||
{
|
||||
stream.write(reinterpret_cast<const char *>(bytes.data()),
|
||||
std::streamsize(bytes.size()));
|
||||
|
||||
return stream;
|
||||
}
|
||||
|
||||
Raster::RawData::~RawData() = default;
|
||||
|
||||
PPMImage & PPMImage::serialize(const Raster &raster)
|
||||
{
|
||||
auto header = std::string("P5 ") +
|
||||
std::to_string(raster.resolution().width_px) + " " +
|
||||
std::to_string(raster.resolution().height_px) + " " + "255 ";
|
||||
|
||||
const auto &impl = get_internals(raster);
|
||||
auto sz = impl.buffer().size() * sizeof(TBuffer::value_type);
|
||||
size_t s = sz + header.size();
|
||||
|
||||
m_buffer.clear();
|
||||
m_buffer.reserve(s);
|
||||
|
||||
auto buff = reinterpret_cast<const std::uint8_t*>(impl.buffer().data());
|
||||
std::copy(header.begin(), header.end(), std::back_inserter(m_buffer));
|
||||
std::copy(buff, buff+sz, std::back_inserter(m_buffer));
|
||||
|
||||
return *this;
|
||||
}
|
||||
|
||||
const Raster::Impl &Raster::RawData::get_internals(const Raster &raster)
|
||||
{
|
||||
return *raster.m_impl;
|
||||
}
|
||||
|
||||
} // namespace sla
|
||||
} // namespace Slic3r
|
||||
|
||||
#endif // SLARASTER_CPP
|
||||
|
|
@ -1,157 +0,0 @@
|
|||
#ifndef SLA_RASTER_HPP
|
||||
#define SLA_RASTER_HPP
|
||||
|
||||
#include <ostream>
|
||||
#include <memory>
|
||||
#include <vector>
|
||||
#include <array>
|
||||
#include <utility>
|
||||
#include <cstdint>
|
||||
|
||||
#include <libslic3r/ExPolygon.hpp>
|
||||
|
||||
namespace ClipperLib { struct Polygon; }
|
||||
|
||||
namespace Slic3r {
|
||||
namespace sla {
|
||||
|
||||
/**
|
||||
* @brief Raster captures an anti-aliased monochrome canvas where vectorial
|
||||
* polygons can be rasterized. Fill color is always white and the background is
|
||||
* black. Contours are anti-aliased.
|
||||
*
|
||||
* It also supports saving the raster data into a standard output stream in raw
|
||||
* or PNG format.
|
||||
*/
|
||||
class Raster {
|
||||
class Impl;
|
||||
std::unique_ptr<Impl> m_impl;
|
||||
public:
|
||||
|
||||
// Raw byte buffer paired with its size. Suitable for compressed image data.
|
||||
class RawData
|
||||
{
|
||||
protected:
|
||||
std::vector<std::uint8_t> m_buffer;
|
||||
const Impl& get_internals(const Raster& raster);
|
||||
public:
|
||||
RawData() = default;
|
||||
RawData(std::vector<std::uint8_t>&& data): m_buffer(std::move(data)) {}
|
||||
virtual ~RawData();
|
||||
|
||||
RawData(const RawData &) = delete;
|
||||
RawData &operator=(const RawData &) = delete;
|
||||
|
||||
RawData(RawData &&) = default;
|
||||
RawData &operator=(RawData &&) = default;
|
||||
|
||||
size_t size() const { return m_buffer.size(); }
|
||||
const uint8_t * data() const { return m_buffer.data(); }
|
||||
|
||||
virtual RawData& serialize(const Raster &/*raster*/) { return *this; }
|
||||
virtual std::string get_file_extension() const = 0;
|
||||
};
|
||||
|
||||
/// Type that represents a resolution in pixels.
|
||||
struct Resolution {
|
||||
size_t width_px;
|
||||
size_t height_px;
|
||||
|
||||
inline Resolution(size_t w = 0, size_t h = 0)
|
||||
: width_px(w), height_px(h)
|
||||
{}
|
||||
|
||||
inline size_t pixels() const { return width_px * height_px; }
|
||||
};
|
||||
|
||||
/// Types that represents the dimension of a pixel in millimeters.
|
||||
struct PixelDim {
|
||||
double w_mm;
|
||||
double h_mm;
|
||||
inline PixelDim(double px_width_mm = 0.0, double px_height_mm = 0.0):
|
||||
w_mm(px_width_mm), h_mm(px_height_mm) {}
|
||||
};
|
||||
|
||||
enum Orientation { roLandscape, roPortrait };
|
||||
|
||||
using TMirroring = std::array<bool, 2>;
|
||||
static const TMirroring NoMirror;
|
||||
static const TMirroring MirrorX;
|
||||
static const TMirroring MirrorY;
|
||||
static const TMirroring MirrorXY;
|
||||
|
||||
struct Trafo {
|
||||
bool mirror_x = false, mirror_y = false, flipXY = false;
|
||||
coord_t origin_x = 0, origin_y = 0;
|
||||
|
||||
// If gamma is zero, thresholding will be performed which disables AA.
|
||||
double gamma = 1.;
|
||||
|
||||
// Portrait orientation will make sure the drawed polygons are rotated
|
||||
// by 90 degrees.
|
||||
Trafo(Orientation o = roLandscape, const TMirroring &mirror = NoMirror)
|
||||
// XY flipping implicitly does an X mirror
|
||||
: mirror_x(o == roPortrait ? !mirror[0] : mirror[0])
|
||||
, mirror_y(!mirror[1]) // Makes raster origin to be top left corner
|
||||
, flipXY(o == roPortrait)
|
||||
{}
|
||||
};
|
||||
|
||||
Raster();
|
||||
Raster(const Resolution &r,
|
||||
const PixelDim & pd,
|
||||
const Trafo & tr = {});
|
||||
|
||||
Raster(const Raster& cpy) = delete;
|
||||
Raster& operator=(const Raster& cpy) = delete;
|
||||
Raster(Raster&& m);
|
||||
Raster& operator=(Raster&&);
|
||||
~Raster();
|
||||
|
||||
/// Reallocated everything for the given resolution and pixel dimension.
|
||||
void reset(const Resolution& r,
|
||||
const PixelDim& pd,
|
||||
const Trafo &tr = {});
|
||||
|
||||
/**
|
||||
* Release the allocated resources. Drawing in this state ends in
|
||||
* unspecified behavior.
|
||||
*/
|
||||
void reset();
|
||||
|
||||
/// Get the resolution of the raster.
|
||||
Resolution resolution() const;
|
||||
PixelDim pixel_dimensions() const;
|
||||
|
||||
/// Clear the raster with black color.
|
||||
void clear();
|
||||
|
||||
/// Draw a polygon with holes.
|
||||
void draw(const ExPolygon& poly);
|
||||
void draw(const ClipperLib::Polygon& poly);
|
||||
|
||||
uint8_t read_pixel(size_t w, size_t h) const;
|
||||
|
||||
inline bool empty() const { return ! bool(m_impl); }
|
||||
|
||||
};
|
||||
|
||||
class PNGImage: public Raster::RawData {
|
||||
public:
|
||||
PNGImage& serialize(const Raster &raster) override;
|
||||
std::string get_file_extension() const override { return "png"; }
|
||||
};
|
||||
|
||||
class PPMImage: public Raster::RawData {
|
||||
public:
|
||||
PPMImage& serialize(const Raster &raster) override;
|
||||
std::string get_file_extension() const override { return "ppm"; }
|
||||
};
|
||||
|
||||
std::ostream& operator<<(std::ostream &stream, const Raster::RawData &bytes);
|
||||
|
||||
} // sla
|
||||
} // Slic3r
|
||||
|
||||
|
||||
#endif // SLARASTER_HPP
|
||||
89
src/libslic3r/SLA/RasterBase.cpp
Normal file
89
src/libslic3r/SLA/RasterBase.cpp
Normal file
|
|
@ -0,0 +1,89 @@
|
|||
#ifndef SLARASTER_CPP
|
||||
#define SLARASTER_CPP
|
||||
|
||||
#include <functional>
|
||||
|
||||
#include <libslic3r/SLA/RasterBase.hpp>
|
||||
#include <libslic3r/SLA/AGGRaster.hpp>
|
||||
|
||||
// minz image write:
|
||||
#include <miniz.h>
|
||||
|
||||
namespace Slic3r { namespace sla {
|
||||
|
||||
const RasterBase::TMirroring RasterBase::NoMirror = {false, false};
|
||||
const RasterBase::TMirroring RasterBase::MirrorX = {true, false};
|
||||
const RasterBase::TMirroring RasterBase::MirrorY = {false, true};
|
||||
const RasterBase::TMirroring RasterBase::MirrorXY = {true, true};
|
||||
|
||||
EncodedRaster PNGRasterEncoder::operator()(const void *ptr, size_t w, size_t h,
|
||||
size_t num_components)
|
||||
{
|
||||
std::vector<uint8_t> buf;
|
||||
size_t s = 0;
|
||||
|
||||
void *rawdata = tdefl_write_image_to_png_file_in_memory(
|
||||
ptr, int(w), int(h), int(num_components), &s);
|
||||
|
||||
// On error, data() will return an empty vector. No other info can be
|
||||
// retrieved from miniz anyway...
|
||||
if (rawdata == nullptr) return EncodedRaster({}, "png");
|
||||
|
||||
auto pptr = static_cast<std::uint8_t*>(rawdata);
|
||||
|
||||
buf.reserve(s);
|
||||
std::copy(pptr, pptr + s, std::back_inserter(buf));
|
||||
|
||||
MZ_FREE(rawdata);
|
||||
return EncodedRaster(std::move(buf), "png");
|
||||
}
|
||||
|
||||
std::ostream &operator<<(std::ostream &stream, const EncodedRaster &bytes)
|
||||
{
|
||||
stream.write(reinterpret_cast<const char *>(bytes.data()),
|
||||
std::streamsize(bytes.size()));
|
||||
|
||||
return stream;
|
||||
}
|
||||
|
||||
EncodedRaster PPMRasterEncoder::operator()(const void *ptr, size_t w, size_t h,
|
||||
size_t num_components)
|
||||
{
|
||||
std::vector<uint8_t> buf;
|
||||
|
||||
auto header = std::string("P5 ") +
|
||||
std::to_string(w) + " " +
|
||||
std::to_string(h) + " " + "255 ";
|
||||
|
||||
auto sz = w * h * num_components;
|
||||
size_t s = sz + header.size();
|
||||
|
||||
buf.reserve(s);
|
||||
|
||||
auto buff = reinterpret_cast<const std::uint8_t*>(ptr);
|
||||
std::copy(header.begin(), header.end(), std::back_inserter(buf));
|
||||
std::copy(buff, buff+sz, std::back_inserter(buf));
|
||||
|
||||
return EncodedRaster(std::move(buf), "ppm");
|
||||
}
|
||||
|
||||
std::unique_ptr<RasterBase> create_raster_grayscale_aa(
|
||||
const RasterBase::Resolution &res,
|
||||
const RasterBase::PixelDim & pxdim,
|
||||
double gamma,
|
||||
const RasterBase::Trafo & tr)
|
||||
{
|
||||
std::unique_ptr<RasterBase> rst;
|
||||
|
||||
if (gamma > 0)
|
||||
rst = std::make_unique<RasterGrayscaleAAGammaPower>(res, pxdim, tr, gamma);
|
||||
else
|
||||
rst = std::make_unique<RasterGrayscaleAA>(res, pxdim, tr, agg::gamma_threshold(.5));
|
||||
|
||||
return rst;
|
||||
}
|
||||
|
||||
} // namespace sla
|
||||
} // namespace Slic3r
|
||||
|
||||
#endif // SLARASTER_CPP
|
||||
124
src/libslic3r/SLA/RasterBase.hpp
Normal file
124
src/libslic3r/SLA/RasterBase.hpp
Normal file
|
|
@ -0,0 +1,124 @@
|
|||
#ifndef SLA_RASTERBASE_HPP
|
||||
#define SLA_RASTERBASE_HPP
|
||||
|
||||
#include <ostream>
|
||||
#include <memory>
|
||||
#include <vector>
|
||||
#include <array>
|
||||
#include <utility>
|
||||
#include <cstdint>
|
||||
|
||||
#include <libslic3r/ExPolygon.hpp>
|
||||
#include <libslic3r/SLA/Concurrency.hpp>
|
||||
|
||||
namespace ClipperLib { struct Polygon; }
|
||||
|
||||
namespace Slic3r {
|
||||
|
||||
template<class T> using uqptr = std::unique_ptr<T>;
|
||||
template<class T> using shptr = std::shared_ptr<T>;
|
||||
template<class T> using wkptr = std::weak_ptr<T>;
|
||||
|
||||
namespace sla {
|
||||
|
||||
// Raw byte buffer paired with its size. Suitable for compressed image data.
|
||||
class EncodedRaster {
|
||||
protected:
|
||||
std::vector<uint8_t> m_buffer;
|
||||
std::string m_ext;
|
||||
public:
|
||||
EncodedRaster() = default;
|
||||
explicit EncodedRaster(std::vector<uint8_t> &&buf, std::string ext)
|
||||
: m_buffer(std::move(buf)), m_ext(std::move(ext))
|
||||
{}
|
||||
|
||||
size_t size() const { return m_buffer.size(); }
|
||||
const void * data() const { return m_buffer.data(); }
|
||||
const char * extension() const { return m_ext.c_str(); }
|
||||
};
|
||||
|
||||
using RasterEncoder =
|
||||
std::function<EncodedRaster(const void *ptr, size_t w, size_t h, size_t num_components)>;
|
||||
|
||||
class RasterBase {
|
||||
public:
|
||||
|
||||
enum Orientation { roLandscape, roPortrait };
|
||||
|
||||
using TMirroring = std::array<bool, 2>;
|
||||
static const TMirroring NoMirror;
|
||||
static const TMirroring MirrorX;
|
||||
static const TMirroring MirrorY;
|
||||
static const TMirroring MirrorXY;
|
||||
|
||||
struct Trafo {
|
||||
bool mirror_x = false, mirror_y = false, flipXY = false;
|
||||
coord_t center_x = 0, center_y = 0;
|
||||
|
||||
// Portrait orientation will make sure the drawed polygons are rotated
|
||||
// by 90 degrees.
|
||||
Trafo(Orientation o = roLandscape, const TMirroring &mirror = NoMirror)
|
||||
// XY flipping implicitly does an X mirror
|
||||
: mirror_x(o == roPortrait ? !mirror[0] : mirror[0])
|
||||
, mirror_y(!mirror[1]) // Makes raster origin to be top left corner
|
||||
, flipXY(o == roPortrait)
|
||||
{}
|
||||
|
||||
TMirroring get_mirror() const { return { (roPortrait ? !mirror_x : mirror_x), mirror_y}; }
|
||||
Orientation get_orientation() const { return flipXY ? roPortrait : roLandscape; }
|
||||
Point get_center() const { return {center_x, center_y}; }
|
||||
};
|
||||
|
||||
/// Type that represents a resolution in pixels.
|
||||
struct Resolution {
|
||||
size_t width_px = 0;
|
||||
size_t height_px = 0;
|
||||
|
||||
Resolution(size_t w = 0, size_t h = 0) : width_px(w), height_px(h) {}
|
||||
size_t pixels() const { return width_px * height_px; }
|
||||
};
|
||||
|
||||
/// Types that represents the dimension of a pixel in millimeters.
|
||||
struct PixelDim {
|
||||
double w_mm = 0.;
|
||||
double h_mm = 0.;
|
||||
|
||||
PixelDim(double px_width_mm = 0.0, double px_height_mm = 0.0)
|
||||
: w_mm(px_width_mm), h_mm(px_height_mm)
|
||||
{}
|
||||
};
|
||||
|
||||
virtual ~RasterBase() = default;
|
||||
|
||||
/// Draw a polygon with holes.
|
||||
virtual void draw(const ExPolygon& poly) = 0;
|
||||
virtual void draw(const ClipperLib::Polygon& poly) = 0;
|
||||
|
||||
/// Get the resolution of the raster.
|
||||
virtual Resolution resolution() const = 0;
|
||||
virtual PixelDim pixel_dimensions() const = 0;
|
||||
virtual Trafo trafo() const = 0;
|
||||
|
||||
virtual EncodedRaster encode(RasterEncoder encoder) const = 0;
|
||||
};
|
||||
|
||||
struct PNGRasterEncoder {
|
||||
EncodedRaster operator()(const void *ptr, size_t w, size_t h, size_t num_components);
|
||||
};
|
||||
|
||||
struct PPMRasterEncoder {
|
||||
EncodedRaster operator()(const void *ptr, size_t w, size_t h, size_t num_components);
|
||||
};
|
||||
|
||||
std::ostream& operator<<(std::ostream &stream, const EncodedRaster &bytes);
|
||||
|
||||
// If gamma is zero, thresholding will be performed which disables AA.
|
||||
uqptr<RasterBase> create_raster_grayscale_aa(
|
||||
const RasterBase::Resolution &res,
|
||||
const RasterBase::PixelDim & pxdim,
|
||||
double gamma = 1.0,
|
||||
const RasterBase::Trafo & tr = {});
|
||||
|
||||
}} // namespace Slic3r::sla
|
||||
|
||||
#endif // SLARASTERBASE_HPP
|
||||
88
src/libslic3r/SLA/RasterToPolygons.cpp
Normal file
88
src/libslic3r/SLA/RasterToPolygons.cpp
Normal file
|
|
@ -0,0 +1,88 @@
|
|||
#include "RasterToPolygons.hpp"
|
||||
|
||||
#include "AGGRaster.hpp"
|
||||
#include "libslic3r/MarchingSquares.hpp"
|
||||
#include "MTUtils.hpp"
|
||||
#include "ClipperUtils.hpp"
|
||||
|
||||
namespace marchsq {
|
||||
|
||||
// Specialize this struct to register a raster type for the Marching squares alg
|
||||
template<> struct _RasterTraits<Slic3r::sla::RasterGrayscaleAA> {
|
||||
using Rst = Slic3r::sla::RasterGrayscaleAA;
|
||||
|
||||
// The type of pixel cell in the raster
|
||||
using ValueType = uint8_t;
|
||||
|
||||
// Value at a given position
|
||||
static uint8_t get(const Rst &rst, size_t row, size_t col) { return rst.read_pixel(col, row); }
|
||||
|
||||
// Number of rows and cols of the raster
|
||||
static size_t rows(const Rst &rst) { return rst.resolution().height_px; }
|
||||
static size_t cols(const Rst &rst) { return rst.resolution().width_px; }
|
||||
};
|
||||
|
||||
} // namespace Slic3r::marchsq
|
||||
|
||||
namespace Slic3r { namespace sla {
|
||||
|
||||
template<class Fn> void foreach_vertex(ExPolygon &poly, Fn &&fn)
|
||||
{
|
||||
for (auto &p : poly.contour.points) fn(p);
|
||||
for (auto &h : poly.holes)
|
||||
for (auto &p : h.points) fn(p);
|
||||
}
|
||||
|
||||
ExPolygons raster_to_polygons(const RasterGrayscaleAA &rst, float accuracy)
|
||||
{
|
||||
size_t rows = rst.resolution().height_px, cols = rst.resolution().width_px;
|
||||
|
||||
if (rows < 2 || cols < 2) return {};
|
||||
|
||||
Polygons polys;
|
||||
size_t w_rows = (2 + rows / 8) - size_t(accuracy * rows / 8);
|
||||
size_t w_cols = std::max(size_t(2), w_rows * cols / rows);
|
||||
|
||||
std::vector<marchsq::Ring> rings =
|
||||
marchsq::execute(rst, 128, {w_rows, w_cols});
|
||||
|
||||
polys.reserve(rings.size());
|
||||
|
||||
auto pxd = rst.pixel_dimensions();
|
||||
for (const marchsq::Ring &ring : rings) {
|
||||
Polygon poly; Points &pts = poly.points;
|
||||
pts.reserve(ring.size());
|
||||
|
||||
for (const marchsq::Coord &crd : ring)
|
||||
pts.emplace_back(scaled(crd.c * pxd.w_mm), scaled(crd.r * pxd.h_mm));
|
||||
|
||||
polys.emplace_back(poly);
|
||||
}
|
||||
|
||||
// reverse the raster transformations
|
||||
ExPolygons unioned = union_ex(polys);
|
||||
coord_t width = scaled(cols * pxd.h_mm), height = scaled(rows * pxd.w_mm);
|
||||
|
||||
auto tr = rst.trafo();
|
||||
for (ExPolygon &expoly : unioned) {
|
||||
if (tr.mirror_y)
|
||||
foreach_vertex(expoly, [height](Point &p) {p.y() = height - p.y(); });
|
||||
|
||||
if (tr.mirror_x)
|
||||
foreach_vertex(expoly, [width](Point &p) {p.x() = width - p.x(); });
|
||||
|
||||
expoly.translate(-tr.center_x, -tr.center_y);
|
||||
|
||||
if (tr.flipXY)
|
||||
foreach_vertex(expoly, [](Point &p) { std::swap(p.x(), p.y()); });
|
||||
|
||||
if ((tr.mirror_x + tr.mirror_y + tr.flipXY) % 2) {
|
||||
expoly.contour.reverse();
|
||||
for (auto &h : expoly.holes) h.reverse();
|
||||
}
|
||||
}
|
||||
|
||||
return unioned;
|
||||
}
|
||||
|
||||
}} // namespace Slic3r
|
||||
15
src/libslic3r/SLA/RasterToPolygons.hpp
Normal file
15
src/libslic3r/SLA/RasterToPolygons.hpp
Normal file
|
|
@ -0,0 +1,15 @@
|
|||
#ifndef RASTERTOPOLYGONS_HPP
|
||||
#define RASTERTOPOLYGONS_HPP
|
||||
|
||||
#include "libslic3r/ExPolygon.hpp"
|
||||
|
||||
namespace Slic3r {
|
||||
namespace sla {
|
||||
|
||||
class RasterGrayscaleAA;
|
||||
|
||||
ExPolygons raster_to_polygons(const RasterGrayscaleAA &rst, float accuracy = 1.f);
|
||||
|
||||
}}
|
||||
|
||||
#endif // RASTERTOPOLYGONS_HPP
|
||||
|
|
@ -1,151 +0,0 @@
|
|||
#include <string_view>
|
||||
|
||||
#include <libslic3r/SLA/RasterWriter.hpp>
|
||||
|
||||
#include "libslic3r/PrintConfig.hpp"
|
||||
#include <libslic3r/Zipper.hpp>
|
||||
#include <libslic3r/Time.hpp>
|
||||
|
||||
#include "ExPolygon.hpp"
|
||||
#include <libnest2d/backends/clipper/clipper_polygon.hpp>
|
||||
|
||||
#include <boost/log/trivial.hpp>
|
||||
#include <boost/filesystem/path.hpp>
|
||||
|
||||
namespace Slic3r { namespace sla {
|
||||
|
||||
void RasterWriter::write_ini(const std::map<std::string, std::string> &m, std::string &ini)
|
||||
{
|
||||
for (auto ¶m : m) ini += param.first + " = " + param.second + "\n";
|
||||
}
|
||||
|
||||
std::string RasterWriter::create_ini_content(const std::string& projectname) const
|
||||
{
|
||||
std::string out("action = print\njobDir = ");
|
||||
out += projectname + "\n";
|
||||
write_ini(m_config, out);
|
||||
return out;
|
||||
}
|
||||
|
||||
RasterWriter::RasterWriter(const Raster::Resolution &res,
|
||||
const Raster::PixelDim & pixdim,
|
||||
const Raster::Trafo & trafo,
|
||||
double gamma)
|
||||
: m_res(res), m_pxdim(pixdim), m_trafo(trafo), m_gamma(gamma)
|
||||
{}
|
||||
|
||||
void RasterWriter::save(const std::string &fpath, const std::string &prjname)
|
||||
{
|
||||
try {
|
||||
Zipper zipper(fpath); // zipper with no compression
|
||||
save(zipper, prjname);
|
||||
zipper.finalize();
|
||||
} catch(std::exception& e) {
|
||||
BOOST_LOG_TRIVIAL(error) << e.what();
|
||||
// Rethrow the exception
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
void RasterWriter::save(Zipper &zipper, const std::string &prjname)
|
||||
{
|
||||
try {
|
||||
std::string project =
|
||||
prjname.empty() ?
|
||||
boost::filesystem::path(zipper.get_filename()).stem().string() :
|
||||
prjname;
|
||||
|
||||
zipper.add_entry("config.ini");
|
||||
|
||||
zipper << create_ini_content(project);
|
||||
|
||||
zipper.add_entry("prusaslicer.ini");
|
||||
std::string prusaslicer_ini;
|
||||
write_ini(m_slicer_config, prusaslicer_ini);
|
||||
zipper << prusaslicer_ini;
|
||||
|
||||
for(unsigned i = 0; i < m_layers_rst.size(); i++)
|
||||
{
|
||||
if(m_layers_rst[i].rawbytes.size() > 0) {
|
||||
char lyrnum[6];
|
||||
std::sprintf(lyrnum, "%.5d", i);
|
||||
auto zfilename = project + lyrnum + ".png";
|
||||
|
||||
// Add binary entry to the zipper
|
||||
zipper.add_entry(zfilename,
|
||||
m_layers_rst[i].rawbytes.data(),
|
||||
m_layers_rst[i].rawbytes.size());
|
||||
}
|
||||
}
|
||||
} catch(std::exception& e) {
|
||||
BOOST_LOG_TRIVIAL(error) << e.what();
|
||||
// Rethrow the exception
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
namespace {
|
||||
|
||||
std::string get_cfg_value(const DynamicPrintConfig &cfg, const std::string &key)
|
||||
{
|
||||
std::string ret;
|
||||
|
||||
if (cfg.has(key)) {
|
||||
auto opt = cfg.option(key);
|
||||
if (opt) ret = opt->serialize();
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void append_full_config(const DynamicPrintConfig &cfg, std::map<std::string, std::string> &keys)
|
||||
{
|
||||
using namespace std::literals::string_view_literals;
|
||||
|
||||
// Sorted list of config keys, which shall not be stored into the ini.
|
||||
static constexpr auto banned_keys = {
|
||||
"compatible_printers"sv,
|
||||
"compatible_prints"sv,
|
||||
"print_host"sv,
|
||||
"printhost_apikey"sv,
|
||||
"printhost_cafile"sv
|
||||
};
|
||||
|
||||
assert(std::is_sorted(banned_keys.begin(), banned_keys.end()));
|
||||
auto is_banned = [](const std::string &key) {
|
||||
return std::binary_search(banned_keys.begin(), banned_keys.end(), key);
|
||||
};
|
||||
|
||||
for (const std::string &key : cfg.keys())
|
||||
if (! is_banned(key) && ! cfg.option(key)->is_nil())
|
||||
keys[key] = cfg.opt_serialize(key);
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
void RasterWriter::set_config(const DynamicPrintConfig &cfg)
|
||||
{
|
||||
m_config["layerHeight"] = get_cfg_value(cfg, "layer_height");
|
||||
m_config["expTime"] = get_cfg_value(cfg, "exposure_time");
|
||||
m_config["expTimeFirst"] = get_cfg_value(cfg, "initial_exposure_time");
|
||||
m_config["materialName"] = get_cfg_value(cfg, "sla_material_settings_id");
|
||||
m_config["printerModel"] = get_cfg_value(cfg, "printer_model");
|
||||
m_config["printerVariant"] = get_cfg_value(cfg, "printer_variant");
|
||||
m_config["printerProfile"] = get_cfg_value(cfg, "printer_settings_id");
|
||||
m_config["printProfile"] = get_cfg_value(cfg, "sla_print_settings_id");
|
||||
m_config["fileCreationTimestamp"] = Utils::utc_timestamp();
|
||||
m_config["prusaSlicerVersion"] = SLIC3R_BUILD_ID;
|
||||
append_full_config(cfg, m_slicer_config);
|
||||
}
|
||||
|
||||
void RasterWriter::set_statistics(const PrintStatistics &stats)
|
||||
{
|
||||
m_config["usedMaterial"] = std::to_string(stats.used_material);
|
||||
m_config["numFade"] = std::to_string(stats.num_fade);
|
||||
m_config["numSlow"] = std::to_string(stats.num_slow);
|
||||
m_config["numFast"] = std::to_string(stats.num_fast);
|
||||
m_config["printTime"] = std::to_string(stats.estimated_print_time_s);
|
||||
}
|
||||
|
||||
} // namespace sla
|
||||
} // namespace Slic3r
|
||||
|
|
@ -1,130 +0,0 @@
|
|||
#ifndef SLA_RASTERWRITER_HPP
|
||||
#define SLA_RASTERWRITER_HPP
|
||||
|
||||
// For png export of the sliced model
|
||||
#include <fstream>
|
||||
#include <string>
|
||||
#include <sstream>
|
||||
#include <vector>
|
||||
#include <map>
|
||||
#include <array>
|
||||
|
||||
#include <libslic3r/SLA/Raster.hpp>
|
||||
#include <libslic3r/Zipper.hpp>
|
||||
|
||||
namespace Slic3r {
|
||||
|
||||
class DynamicPrintConfig;
|
||||
|
||||
namespace sla {
|
||||
|
||||
// API to write the zipped sla output layers and metadata.
|
||||
// Implementation uses PNG raster output.
|
||||
// Be aware that if a large number of layers are allocated, it can very well
|
||||
// exhaust the available memory especially on 32 bit platform.
|
||||
// This class is designed to be used in parallel mode. Layers have an ID and
|
||||
// each layer can be written and compressed independently (in parallel).
|
||||
// At the end when all layers where written, the save method can be used to
|
||||
// write out the result into a zipped archive.
|
||||
class RasterWriter
|
||||
{
|
||||
public:
|
||||
|
||||
// Used for addressing parameters of set_statistics()
|
||||
struct PrintStatistics
|
||||
{
|
||||
double used_material = 0.;
|
||||
double estimated_print_time_s = 0.;
|
||||
size_t num_fade = 0;
|
||||
size_t num_slow = 0;
|
||||
size_t num_fast = 0;
|
||||
};
|
||||
|
||||
private:
|
||||
|
||||
// A struct to bind the raster image data and its compressed bytes together.
|
||||
struct Layer {
|
||||
Raster raster;
|
||||
PNGImage rawbytes;
|
||||
|
||||
Layer() = default;
|
||||
|
||||
// The image is big, do not copy by accident
|
||||
Layer(const Layer&) = delete;
|
||||
Layer& operator=(const Layer&) = delete;
|
||||
|
||||
Layer(Layer &&m) = default;
|
||||
Layer &operator=(Layer &&) = default;
|
||||
};
|
||||
|
||||
// We will save the compressed PNG data into RawBytes type buffers in
|
||||
// parallel. Later we can write every layer to the disk sequentially.
|
||||
std::vector<Layer> m_layers_rst;
|
||||
Raster::Resolution m_res;
|
||||
Raster::PixelDim m_pxdim;
|
||||
Raster::Trafo m_trafo;
|
||||
double m_gamma;
|
||||
|
||||
std::map<std::string, std::string> m_config;
|
||||
std::map<std::string, std::string> m_slicer_config;
|
||||
|
||||
static void write_ini(const std::map<std::string, std::string> &m, std::string &ini);
|
||||
std::string create_ini_content(const std::string& projectname) const;
|
||||
|
||||
public:
|
||||
|
||||
// SLARasterWriter is using Raster in custom mirroring mode
|
||||
RasterWriter(const Raster::Resolution &res,
|
||||
const Raster::PixelDim & pixdim,
|
||||
const Raster::Trafo & trafo,
|
||||
double gamma = 1.);
|
||||
|
||||
RasterWriter(const RasterWriter& ) = delete;
|
||||
RasterWriter& operator=(const RasterWriter&) = delete;
|
||||
RasterWriter(RasterWriter&& m) = default;
|
||||
RasterWriter& operator=(RasterWriter&&) = default;
|
||||
|
||||
inline void layers(unsigned cnt) { if(cnt > 0) m_layers_rst.resize(cnt); }
|
||||
inline unsigned layers() const { return unsigned(m_layers_rst.size()); }
|
||||
|
||||
template<class Poly> void draw_polygon(const Poly& p, unsigned lyr)
|
||||
{
|
||||
assert(lyr < m_layers_rst.size());
|
||||
m_layers_rst[lyr].raster.draw(p);
|
||||
}
|
||||
|
||||
inline void begin_layer(unsigned lyr) {
|
||||
if(m_layers_rst.size() <= lyr) m_layers_rst.resize(lyr+1);
|
||||
m_layers_rst[lyr].raster.reset(m_res, m_pxdim, m_trafo);
|
||||
}
|
||||
|
||||
inline void begin_layer() {
|
||||
m_layers_rst.emplace_back();
|
||||
m_layers_rst.front().raster.reset(m_res, m_pxdim, m_trafo);
|
||||
}
|
||||
|
||||
inline void finish_layer(unsigned lyr_id) {
|
||||
assert(lyr_id < m_layers_rst.size());
|
||||
m_layers_rst[lyr_id].rawbytes.serialize(m_layers_rst[lyr_id].raster);
|
||||
m_layers_rst[lyr_id].raster.reset();
|
||||
}
|
||||
|
||||
inline void finish_layer() {
|
||||
if(!m_layers_rst.empty()) {
|
||||
m_layers_rst.back().rawbytes.serialize(m_layers_rst.back().raster);
|
||||
m_layers_rst.back().raster.reset();
|
||||
}
|
||||
}
|
||||
|
||||
void save(const std::string &fpath, const std::string &prjname = "");
|
||||
void save(Zipper &zipper, const std::string &prjname = "");
|
||||
|
||||
void set_statistics(const PrintStatistics &statistics);
|
||||
|
||||
void set_config(const DynamicPrintConfig &cfg);
|
||||
};
|
||||
|
||||
} // namespace sla
|
||||
} // namespace Slic3r
|
||||
|
||||
#endif // SLARASTERWRITER_HPP
|
||||
Loading…
Add table
Add a link
Reference in a new issue