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src/RagePhoto-Extract.cpp

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+/*****************************************************************************
+* libragephoto RAGE Photo Parser
+* Copyright (C) 2021 Syping
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* This software is provided as-is, no warranties are given to you, we are not
+* responsible for anything with use of the software, you are self responsible.
+*****************************************************************************/
+
+#include "RagePhoto.h"
+#include <iostream>
+
+int main(int argc, char *argv[])
+{
+    if (argc != 3) {
+        std::cout << "Usage: " << argv[0] << " [snapmatic] [jpegout]" << std::endl;
+        return 0;
+    }
+
+    // Initialise RagePhoto
+    RagePhoto ragePhoto;
+
+    // Read file
+    FILE *file = fopen(argv[1], "rb");
+    if (!file)
+        return -1;
+    const int fseek_end_value = fseek(file, 0, SEEK_END);
+    if (fseek_end_value == -1) {
+        fclose(file);
+        return -1;
+    }
+    size_t file_size = ftell(file);
+    if (file_size == -1) {
+        fclose(file);
+        return -1;
+    }
+    const int fseek_set_value = fseek(file, 0, SEEK_SET);
+    if (fseek_set_value == -1) {
+        fclose(file);
+        return -1;
+    }
+    char *data = static_cast<char*>(malloc(file_size));
+    const size_t file_rsize = fread(data, 1, file_size, file);
+    if (file_size != file_rsize) {
+        fclose(file);
+        return -1;
+    }
+
+    ragePhoto.load(data, file_size);
+    fclose(file);
+
+    // Write jpeg
+    file = fopen(argv[2], "wb");
+    if (!file)
+        return -1;
+    fwrite(ragePhoto.photoData(), sizeof(char), ragePhoto.photoSize(), file);
+    fclose(file);
+
+    return 0;
+}