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Initial version of sl1 import with sla::Raster refactor.

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This commit is contained in:
tamasmeszaros
2020-04-13 12:31:37 +02:00
parent 6eb51a1cca
commit 247fca6d55
39 changed files with 2136 additions and 1094 deletions
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40
tests/sla_print/sla_print_tests.cpp
View File

@@ -154,19 +154,12 @@ TEST_CASE("FloorSupportsDoNotPierceModel", "[SLASupportGeneration]") {
test_support_model_collision(fname, supportcfg);
}
TEST_CASE("DefaultRasterShouldBeEmpty", "[SLARasterOutput]") {
sla::Raster raster;
REQUIRE(raster.empty());
}
TEST_CASE("InitializedRasterShouldBeNONEmpty", "[SLARasterOutput]") {
// Default Prusa SL1 display parameters
sla::Raster::Resolution res{2560, 1440};
sla::Raster::PixelDim pixdim{120. / res.width_px, 68. / res.height_px};
sla::RasterBase::Resolution res{2560, 1440};
sla::RasterBase::PixelDim pixdim{120. / res.width_px, 68. / res.height_px};
sla::Raster raster;
raster.reset(res, pixdim);
REQUIRE_FALSE(raster.empty());
sla::RasterGrayscaleAAGammaPower raster(res, pixdim, {}, 1.);
REQUIRE(raster.resolution().width_px == res.width_px);
REQUIRE(raster.resolution().height_px == res.height_px);
REQUIRE(raster.pixel_dimensions().w_mm == Approx(pixdim.w_mm));
@@ -174,13 +167,14 @@ TEST_CASE("InitializedRasterShouldBeNONEmpty", "[SLARasterOutput]") {
}
TEST_CASE("MirroringShouldBeCorrect", "[SLARasterOutput]") {
sla::Raster::TMirroring mirrorings[] = {sla::Raster::NoMirror,
sla::Raster::MirrorX,
sla::Raster::MirrorY,
sla::Raster::MirrorXY};
sla::RasterBase::TMirroring mirrorings[] = {sla::RasterBase::NoMirror,
sla::RasterBase::MirrorX,
sla::RasterBase::MirrorY,
sla::RasterBase::MirrorXY};
sla::RasterBase::Orientation orientations[] =
{sla::RasterBase::roLandscape, sla::RasterBase::roPortrait};
sla::Raster::Orientation orientations[] = {sla::Raster::roLandscape,
sla::Raster::roPortrait};
for (auto orientation : orientations)
for (auto &mirror : mirrorings)
check_raster_transformations(orientation, mirror);
@@ -189,10 +183,11 @@ TEST_CASE("MirroringShouldBeCorrect", "[SLARasterOutput]") {
TEST_CASE("RasterizedPolygonAreaShouldMatch", "[SLARasterOutput]") {
double disp_w = 120., disp_h = 68.;
sla::Raster::Resolution res{2560, 1440};
sla::Raster::PixelDim pixdim{disp_w / res.width_px, disp_h / res.height_px};
sla::RasterBase::Resolution res{2560, 1440};
sla::RasterBase::PixelDim pixdim{disp_w / res.width_px, disp_h / res.height_px};
sla::Raster raster{res, pixdim};
double gamma = 1.;
sla::RasterGrayscaleAAGammaPower raster(res, pixdim, {}, gamma);
auto bb = BoundingBox({0, 0}, {scaled(disp_w), scaled(disp_h)});
ExPolygon poly = square_with_hole(10.);
@@ -215,6 +210,13 @@ TEST_CASE("RasterizedPolygonAreaShouldMatch", "[SLARasterOutput]") {
diff = std::abs(a - ra);
REQUIRE(diff <= predict_error(poly, pixdim));
sla::RasterGrayscaleAA raster0(res, pixdim, {}, [](double) { return 0.; });
REQUIRE(raster_pxsum(raster0) == 0);
raster0.draw(poly);
ra = raster_white_area(raster);
REQUIRE(raster_pxsum(raster0) == 0);
}
TEST_CASE("Triangle mesh conversions should be correct", "[SLAConversions]")

39
tests/sla_print/sla_test_utils.cpp
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@@ -1,4 +1,5 @@
#include "sla_test_utils.hpp"
#include "libslic3r/SLA/AGGRaster.hpp"
void test_support_model_collision(const std::string &obj_filename,
const sla::SupportConfig &input_supportcfg,
@@ -293,18 +294,19 @@ void check_validity(const TriangleMesh &input_mesh, int flags)
}
}
void check_raster_transformations(sla::Raster::Orientation o, sla::Raster::TMirroring mirroring)
void check_raster_transformations(sla::RasterBase::Orientation o, sla::RasterBase::TMirroring mirroring)
{
double disp_w = 120., disp_h = 68.;
sla::Raster::Resolution res{2560, 1440};
sla::Raster::PixelDim pixdim{disp_w / res.width_px, disp_h / res.height_px};
sla::RasterBase::Resolution res{2560, 1440};
sla::RasterBase::PixelDim pixdim{disp_w / res.width_px, disp_h / res.height_px};
auto bb = BoundingBox({0, 0}, {scaled(disp_w), scaled(disp_h)});
sla::Raster::Trafo trafo{o, mirroring};
trafo.origin_x = bb.center().x();
trafo.origin_y = bb.center().y();
sla::RasterBase::Trafo trafo{o, mirroring};
trafo.center_x = bb.center().x();
trafo.center_y = bb.center().y();
double gamma = 1.;
sla::Raster raster{res, pixdim, trafo};
sla::RasterGrayscaleAAGammaPower raster{res, pixdim, trafo, gamma};
// create box of size 32x32 pixels (not 1x1 to avoid antialiasing errors)
coord_t pw = 32 * coord_t(std::ceil(scaled<double>(pixdim.w_mm)));
@@ -319,7 +321,7 @@ void check_raster_transformations(sla::Raster::Orientation o, sla::Raster::TMirr
// Now calculate the position of the translated box according to output
// trafo.
if (o == sla::Raster::Orientation::roPortrait) expected_box.rotate(PI / 2.);
if (o == sla::RasterBase::Orientation::roPortrait) expected_box.rotate(PI / 2.);
if (mirroring[X])
for (auto &p : expected_box.contour.points) p.x() = -p.x();
@@ -340,10 +342,9 @@ void check_raster_transformations(sla::Raster::Orientation o, sla::Raster::TMirr
auto px = raster.read_pixel(w, h);
if (px != FullWhite) {
sla::PNGImage img;
std::fstream outf("out.png", std::ios::out);
outf << img.serialize(raster);
outf << raster.encode(sla::PNGRasterEncoder());
}
REQUIRE(px == FullWhite);
@@ -361,9 +362,21 @@ ExPolygon square_with_hole(double v)
return poly;
}
double raster_white_area(const sla::Raster &raster)
long raster_pxsum(const sla::RasterGrayscaleAA &raster)
{
if (raster.empty()) return std::nan("");
auto res = raster.resolution();
long a = 0;
for (size_t x = 0; x < res.width_px; ++x)
for (size_t y = 0; y < res.height_px; ++y)
a += raster.read_pixel(x, y);
return a;
}
double raster_white_area(const sla::RasterGrayscaleAA &raster)
{
if (raster.resolution().pixels() == 0) return std::nan("");
auto res = raster.resolution();
double a = 0;
@@ -377,7 +390,7 @@ double raster_white_area(const sla::Raster &raster)
return a;
}
double predict_error(const ExPolygon &p, const sla::Raster::PixelDim &pd)
double predict_error(const ExPolygon &p, const sla::RasterBase::PixelDim &pd)
{
auto lines = p.lines();
double pix_err = pixel_area(FullWhite, pd) / 2.;

13
tests/sla_print/sla_test_utils.hpp
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@@ -16,7 +16,7 @@
#include "libslic3r/SLA/SupportTreeBuilder.hpp"
#include "libslic3r/SLA/SupportTreeBuildsteps.hpp"
#include "libslic3r/SLA/SupportPointGenerator.hpp"
#include "libslic3r/SLA/Raster.hpp"
#include "libslic3r/SLA/AGGRaster.hpp"
#include "libslic3r/SLA/ConcaveHull.hpp"
#include "libslic3r/MTUtils.hpp"
@@ -170,18 +170,19 @@ static constexpr const TPixel FullBlack = 0;
template <class A, int N> constexpr int arraysize(const A (&)[N]) { return N; }
void check_raster_transformations(sla::Raster::Orientation o,
sla::Raster::TMirroring mirroring);
void check_raster_transformations(sla::RasterBase::Orientation o,
sla::RasterBase::TMirroring mirroring);
ExPolygon square_with_hole(double v);
inline double pixel_area(TPixel px, const sla::Raster::PixelDim &pxdim)
inline double pixel_area(TPixel px, const sla::RasterBase::PixelDim &pxdim)
{
return (pxdim.h_mm * pxdim.w_mm) * px * 1. / (FullWhite - FullBlack);
}
double raster_white_area(const sla::Raster &raster);
double raster_white_area(const sla::RasterGrayscaleAA &raster);
long raster_pxsum(const sla::RasterGrayscaleAA &raster);
double predict_error(const ExPolygon &p, const sla::Raster::PixelDim &pd);
double predict_error(const ExPolygon &p, const sla::RasterBase::PixelDim &pd);
#endif // SLA_TEST_UTILS_HPP