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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
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22
src/libslic3r/GCode.cpp
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@ -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();
}

18
src/slic3r/GUI/GUI_App.cpp
View File

@ -1106,6 +1106,7 @@ void GUI_App::gcode_thumbnails_debug()
boost::nowide::ifstream file(in_filename.c_str());
std::vector<std::string> rows;
std::string row;
if (file.good())
{
while (std::getline(file, gcode_line))
@ -1121,9 +1122,16 @@ void GUI_App::gcode_thumbnails_debug()
width = (unsigned int)::atoi(width_str.c_str());
std::string height_str = gcode_line.substr(x_pos + 1);
height = (unsigned int)::atoi(height_str.c_str());
row.clear();
}
else if (reading_image && boost::starts_with(gcode_line, END_MASK))
{
if (!row.empty())
{
rows.push_back(row);
row.clear();
}
if ((unsigned int)rows.size() == height)
{
std::vector<unsigned char> thumbnail(4 * width * height, 0);
@ -1160,7 +1168,15 @@ void GUI_App::gcode_thumbnails_debug()
rows.clear();
}
else if (reading_image)
rows.push_back(gcode_line.substr(2));
{
if (!row.empty() && (gcode_line[1] == ' '))
{
rows.push_back(row);
row.clear();
}
row += gcode_line.substr(2);
}
}
}