shenleiandClaude Opus 5.5
bda85eea50
CPythonGraphic::SaveScreenShot queues a readback of the next presented frame (ScreenShotHost -> VulkanWindow::request_frame); WriteScreenShot runs the rest of 40250's function verbatim (X8R8G8B8 rows, SaveJPEG, EXIF tag). jpeg_save is encoded with stb_image_write. SHGetSpecialFolderPath returns $HOME/Documents (else cwd); CreateDirectory/_access/jpeg_save accept '\\'. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
// Platform implementation of EterLib/JpegFile.h. 40250 writes it with libjpeg-9a (JpegFile.cpp: a stdio
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// destination manager, JCS_RGB, jpeg_set_defaults + jpeg_set_quality); here stb_image_write encodes the
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// same input (top-down RGB rows, 3 bytes per pixel) at the same quality into a baseline JFIF file.
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//
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// Only jpeg_save has a caller in 40250 (CPythonGraphic::SaveJPEG, the screenshot key); the other
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// declarations of JpegFile.h stay undefined.
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#include "EterLib/StdAfx.h"
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#include "EterLib/JpegFile.h"
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#include <algorithm>
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#include <string>
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#define STB_IMAGE_WRITE_IMPLEMENTATION
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#define STB_IMAGE_WRITE_STATIC
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#define STBI_WRITE_NO_STDIO
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#include "../third_party/stb_image_write.h"
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namespace
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{
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void write_to_file(void* context, void* data, int size)
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{
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fwrite(data, 1, size_t(size), static_cast<FILE*>(context));
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}
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}
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int jpeg_save(unsigned char*data_d, int width, int height, int quality, const char*filename)
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{
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// The Win32 CRT takes '\\' as a separator (grp.SaveScreenShot builds "<Documents>\\METIN2\\<time>.jpg").
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std::string path(filename);
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std::replace(path.begin(), path.end(), '\\', '/');
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FILE* fi = fopen(path.c_str(), "wb");
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if (fi == NULL)
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return 0;
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const int ok = stbi_write_jpg_to_func(write_to_file, fi, width, height, 3, data_d, quality);
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const bool closed = fclose(fi) == 0;
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return ok && closed ? 1 : 0;
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}
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