3DPrinting/PrusaSlicer-NonPlainar
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WIP: Implemented support for QOI G-code thumbnail format as requested

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by the RepRapFirmware team due to their low RAM budget for decompression.
Bundled the QOI image compression library.
This commit is contained in:
Vojtech Bubnik 2022-02-02 17:37:29 +01:00 • committed by Lukas Matena
parent 5792190515
commit 8ed6d1b466
14 changed files with 969 additions and 60 deletions
src/libslic3r
GCode.cpp

50
src/libslic3r/GCode.cpp
View file

@ -5,6 +5,7 @@
#include "ExtrusionEntity.hpp"
#include "Geometry/ConvexHull.hpp"
#include "GCode/PrintExtents.hpp"
#include "GCode/Thumbnails.hpp"
#include "GCode/WipeTower.hpp"
#include "ShortestPath.hpp"
#include "Print.hpp"
@ -55,8 +56,6 @@
#include <Shiny/Shiny.h>
#include "miniz_extension.hpp"
using namespace std::literals::string_view_literals;
#if 0
@ -938,49 +937,6 @@ namespace DoExport {
}
}
template<typename WriteToOutput, typename ThrowIfCanceledCallback>
static void export_thumbnails_to_file(ThumbnailsGeneratorCallback &thumbnail_cb, const std::vector<Vec2d> &sizes, WriteToOutput output, ThrowIfCanceledCallback throw_if_canceled)
{
// Write thumbnails using base64 encoding
if (thumbnail_cb != nullptr)
{
const size_t max_row_length = 78;
ThumbnailsList thumbnails = thumbnail_cb(ThumbnailsParams{ sizes, true, true, true, true });
for (const ThumbnailData& data : thumbnails)
{
if (data.is_valid())
{
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)
{
std::string encoded;
encoded.resize(boost::beast::detail::base64::encoded_size(png_size));
encoded.resize(boost::beast::detail::base64::encode((void*)&encoded[0], (const void*)png_data, png_size));
output((boost::format("\n;\n; thumbnail begin %dx%d %d\n") % data.width % data.height % encoded.size()).str().c_str());
unsigned int row_count = 0;
while (encoded.size() > max_row_length)
{
output((boost::format("; %s\n") % encoded.substr(0, max_row_length)).str().c_str());
encoded = encoded.substr(max_row_length);
++row_count;
}
if (encoded.size() > 0)
output((boost::format("; %s\n") % encoded).str().c_str());
output("; thumbnail end\n;\n");
mz_free(png_data);
}
}
throw_if_canceled();
}
}
}
// Fill in print_statistics and return formatted string containing filament statistics to be inserted into G-code comment section.
static std::string update_print_stats_and_format_filament_stats(
const bool has_wipe_tower,
@ -1164,7 +1120,9 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
// Write information on the generator.
file.write_format("; %s\n\n", Slic3r::header_slic3r_generated().c_str());
DoExport::export_thumbnails_to_file(thumbnail_cb, print.full_print_config().option<ConfigOptionPoints>("thumbnails")->values,
GCodeThumbnails::export_thumbnails_to_file(thumbnail_cb,
print.full_print_config().option<ConfigOptionPoints>("thumbnails")->values,
print.full_print_config().opt_enum<GCodeThumbnailsFormat>("thumbnails_format"),
[&file](const char* sz) { file.write(sz); },
[&print]() { print.throw_if_canceled(); });