3DPrinting/PrusaSlicer-NonPlainar
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ENABLE_THUMBNAIL_GENERATOR -> Export thumbnails to gcode: max length of gcode lines set to 80 characters

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This commit is contained in:
Enrico Turri 2019-11-04 14:00:26 +01:00
parent 3d450df680
commit 64d5ac0d20
2 changed files with 37 additions and 3 deletions
src/libslic3r
GCode.cpp

22
src/libslic3r/GCode.cpp
View file

@ -957,6 +957,8 @@ void GCode::_do_export(Print &print, FILE *file)
// Write thumbnails using base64 encoding
if (thumbnail_data != nullptr)
{
const unsigned int max_row_length = 78;
for (const ThumbnailData& data : *thumbnail_data)
{
if (data.is_valid())
@ -966,10 +968,26 @@ void GCode::_do_export(Print &print, FILE *file)
size_t row_size = 4 * data.width;
for (int r = (int)data.height - 1; r >= 0; --r)
{
_write_format(file, "; %s\n", boost::beast::detail::base64_encode((const std::uint8_t*)(data.pixels.data() + r * row_size), row_size).c_str());
std::string encoded = boost::beast::detail::base64_encode((const std::uint8_t*)(data.pixels.data() + r * row_size), row_size);
unsigned int row_count = 0;
while (encoded.length() > max_row_length)
{
if (row_count == 0)
_write_format(file, "; %s\n", encoded.substr(0, max_row_length).c_str());
else
_write_format(file, ";>%s\n", encoded.substr(0, max_row_length).c_str());
encoded = encoded.substr(max_row_length);
++row_count;
}
if (row_count == 0)
_write_format(file, "; %s\n", encoded.c_str());
else
_write_format(file, ";>%s\n", encoded.c_str());
}
_write(file, "; thumbnail end\n;\n\n");
_write(file, "; thumbnail end\n;\n");
}
print.throw_if_canceled();
}