76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
#ifndef RAGNAROK_SOURCE_RESOURCE_BITMAP_IJL15RUNTIME_H
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#define RAGNAROK_SOURCE_RESOURCE_BITMAP_IJL15RUNTIME_H
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#include <cstddef>
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#include <system_error>
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#include <windows.h>
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struct IJL15Properties {
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int useProperties;
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unsigned char* dibBytes;
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int dibWidth;
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int dibHeight;
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int dibPadding;
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int dibChannels;
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int dibColor;
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int dibSubsampling;
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const char* jpegFile;
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unsigned char* jpegBytes;
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int jpegSize;
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int jpegWidth;
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int jpegHeight;
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int jpegChannels;
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int jpegColor;
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int jpegSubsampling;
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int thumbnailWidth;
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int thumbnailHeight;
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int conversion;
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int upsampling;
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int quality;
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alignas(8) unsigned char privateProperties[19984];
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};
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class IJL15Runtime {
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public:
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IJL15Runtime();
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~IJL15Runtime();
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int(__stdcall* initialize)(IJL15Properties*);
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int(__stdcall* read)(IJL15Properties*, int operation);
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int(__stdcall* write)(IJL15Properties*, int operation);
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int(__stdcall* release)(IJL15Properties*);
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private:
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HMODULE m_module;
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IJL15Runtime(const IJL15Runtime&) = delete;
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IJL15Runtime& operator=(const IJL15Runtime&) = delete;
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};
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// INLINED
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inline IJL15Runtime::IJL15Runtime() : m_module(LoadLibraryA("ijl15.dll")) {
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if (!this->m_module) {
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throw std::system_error(GetLastError(), std::system_category(), "ijl15.dll");
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}
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this->initialize = reinterpret_cast<decltype(this->initialize)>(GetProcAddress(this->m_module, "ijlInit"));
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this->read = reinterpret_cast<decltype(this->read)>(GetProcAddress(this->m_module, "ijlRead"));
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this->write = reinterpret_cast<decltype(this->write)>(GetProcAddress(this->m_module, "ijlWrite"));
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this->release = reinterpret_cast<decltype(this->release)>(GetProcAddress(this->m_module, "ijlFree"));
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if (!this->initialize || !this->read || !this->write || !this->release) {
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FreeLibrary(this->m_module);
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throw std::system_error(ERROR_PROC_NOT_FOUND, std::system_category(), "ijl15 exports");
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}
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}
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// INLINED
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inline IJL15Runtime::~IJL15Runtime() {
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FreeLibrary(this->m_module);
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}
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#if defined(_WIN32) && !defined(_WIN64)
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static_assert(offsetof(IJL15Properties, jpegBytes) == 36);
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static_assert(offsetof(IJL15Properties, jpegWidth) == 44);
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static_assert(sizeof(IJL15Properties) == 20072);
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#endif
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#endif
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