1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
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
|
