OrcaSlicer/src/libslic3r/GCode/Thumbnails.hpp
2024-07-16 22:39:43 +08:00

109 lines
5.1 KiB
C++

#ifndef slic3r_GCodeThumbnails_hpp_
#define slic3r_GCodeThumbnails_hpp_
#include "../Point.hpp"
#include "../PrintConfig.hpp"
#include "../enum_bitmask.hpp"
#include "ThumbnailData.hpp"
#include "../enum_bitmask.hpp"
#include <vector>
#include <memory>
#include <string_view>
#include <boost/beast/core/detail/base64.hpp>
namespace Slic3r {
enum class ThumbnailError : int { InvalidVal, OutOfRange, InvalidExt };
using ThumbnailErrors = enum_bitmask<ThumbnailError>;
ENABLE_ENUM_BITMASK_OPERATORS(ThumbnailError);
}
namespace Slic3r::GCodeThumbnails {
struct CompressedImageBuffer
{
void *data { nullptr };
size_t size { 0 };
virtual ~CompressedImageBuffer() {}
virtual std::string_view tag() const = 0;
};
std::string get_hex(const unsigned int input);
std::string rjust(std::string input, unsigned int width, char fill_char);
std::unique_ptr<CompressedImageBuffer> compress_thumbnail(const ThumbnailData &data, GCodeThumbnailsFormat format);
std::string get_error_string(const ThumbnailErrors& errors);
typedef std::vector<std::pair<GCodeThumbnailsFormat, Vec2d>> GCodeThumbnailDefinitionsList;
using namespace std::literals;
std::pair<GCodeThumbnailDefinitionsList, ThumbnailErrors> make_and_check_thumbnail_list(const std::string& thumbnails_string, const std::string_view def_ext = "PNG"sv);
std::pair<GCodeThumbnailDefinitionsList, ThumbnailErrors> make_and_check_thumbnail_list(const ConfigBase &config);
template<typename WriteToOutput, typename ThrowIfCanceledCallback>
inline void export_thumbnails_to_file(ThumbnailsGeneratorCallback& thumbnail_cb,
int plate_id,
const std::vector<std::pair<GCodeThumbnailsFormat, Vec2d>>& thumbnails_list,
WriteToOutput output,
ThrowIfCanceledCallback throw_if_canceled)
{
// Write thumbnails using base64 encoding
if (thumbnail_cb == nullptr)
return;
short i = 0;
bool first_ColPic = true;
for (const auto& [format, size] : thumbnails_list) {
static constexpr const size_t max_row_length = 78;
ThumbnailsList thumbnails = thumbnail_cb(ThumbnailsParams{{size}, true, true, true, true, plate_id});
for (const ThumbnailData &data : thumbnails) {
if (data.is_valid()) {
auto compressed = compress_thumbnail(data, format);
if (compressed->data && compressed->size) {
if (format == GCodeThumbnailsFormat::BTT_TFT) {
// write BTT_TFT header
output((";" + rjust(get_hex(data.width), 4, '0') + rjust(get_hex(data.height), 4, '0') + "\r\n").c_str());
output((char *) compressed->data);
if (i == (thumbnails_list.size() - 1))
output("; bigtree thumbnail end\r\n\r\n");
}
else if (format == GCodeThumbnailsFormat::ColPic) {
if (first_ColPic) {
output((boost::format("\n\n;gimage:%s\n\n") % reinterpret_cast<char*>(compressed->data)).str().c_str());
} else {
output((boost::format("\n\n;simage:%s\n\n") % reinterpret_cast<char*>(compressed->data)).str().c_str());
}
first_ColPic = false;
}
else {
output("; THUMBNAIL_BLOCK_START\n");
std::string encoded;
encoded.resize(boost::beast::detail::base64::encoded_size(compressed->size));
encoded.resize(boost::beast::detail::base64::encode((void *) encoded.data(), (const void *) compressed->data,
compressed->size));
output((boost::format("\n;\n; %s begin %dx%d %d\n") % compressed->tag() % data.width % data.height % encoded.size())
.str()
.c_str());
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);
}
// Orca write remaining ecoded data
if (encoded.size() > 0)
output((boost::format("; %s\n") % encoded).str().c_str());
output((boost::format("; %s end\n") % compressed->tag()).str().c_str());
output("; THUMBNAIL_BLOCK_END\n\n");
}
throw_if_canceled();
}
}
}
i++;
}
}
} // namespace Slic3r::GCodeThumbnails
#endif // slic3r_GCodeThumbnails_hpp_