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ENABLE_THUMBNAIL_GENERATOR -> Export thumbnails to gcode as png data in lines with max 80 characters length

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This commit is contained in:
Enrico Turri 2019-11-04 15:38:15 +01:00
parent 065cdd878e
commit 76377ee0fe
3 changed files with 56 additions and 9 deletions
src/libslic3r
GCode.cpp

41
src/libslic3r/GCode.cpp
View file

@ -35,6 +35,10 @@
#include <Shiny/Shiny.h>
#if ENABLE_THUMBNAIL_GENERATOR_PNG_TO_GCODE
#include "miniz_extension.hpp"
#endif // ENABLE_THUMBNAIL_GENERATOR_PNG_TO_GCODE
#if 0
// Enable debugging and asserts, even in the release build.
#define DEBUG
@ -963,6 +967,31 @@ void GCode::_do_export(Print &print, FILE *file)
{
if (data.is_valid())
{
#if ENABLE_THUMBNAIL_GENERATOR_PNG_TO_GCODE
size_t png_size = 0;
void* png_data = tdefl_write_image_to_png_file_in_memory_ex((const void*)data.pixels.data(), data.width, data.height, 4, &png_size, MZ_DEFAULT_LEVEL, 1);
if (png_data != nullptr)
{
_write_format(file, "\n;\n; thumbnail begin %dx%d\n", data.width, data.height);
std::string encoded = boost::beast::detail::base64_encode((const std::uint8_t*)png_data, png_size);
unsigned int row_count = 0;
while (encoded.length() > max_row_length)
{
_write_format(file, "; %s\n", encoded.substr(0, max_row_length).c_str());
encoded = encoded.substr(max_row_length);
++row_count;
}
if (encoded.length() > 0)
_write_format(file, "; %s\n", encoded.c_str());
_write(file, "; thumbnail end\n;\n");
mz_free(png_data);
}
#else
_write_format(file, "\n;\n; thumbnail begin %dx%d\n", data.width, data.height);
size_t row_size = 4 * data.width;
@ -981,13 +1010,17 @@ void GCode::_do_export(Print &print, FILE *file)
++row_count;
}
if (row_count == 0)
_write_format(file, "; %s\n", encoded.c_str());
else
_write_format(file, ";>%s\n", encoded.c_str());
if (encoded.length() > 0)
{
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");
#endif // ENABLE_THUMBNAIL_GENERATOR_PNG_TO_GCODE
}
print.throw_if_canceled();
}