// The MIT License(MIT) // // Copyright(c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved. // // Permission is hereby granted, free of charge, to any person obtaining a copy of // this software and associated documentation files(the "Software"), to deal in // the Software without restriction, including without limitation the rights to // use, copy, modify, merge, publish, distribute, sublicense, and / or sell copies of // the Software, and to permit persons to whom the Software is furnished to do so, // subject to the following conditions : // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include "Image.h" #include "DXUtilities.h" Image::Image() { DX::ThrowIfFailed(CoInitialize(nullptr)); DX::ThrowIfFailed(CoCreateInstance(CLSID_WICImagingFactory, nullptr, CLSCTX_INPROC_SERVER, __uuidof(IWICImagingFactory), (LPVOID*)&m_WICFactory)); } void Image::load(const std::filesystem::path& FilePath) { if (FilePath.extension() == ".png") LoadWIC(FilePath.wstring()); } void Image::LoadWIC(const std::wstring& filename) { wchar_t* wfilename = _wcsdup(filename.c_str()); ComPtr decoder; DX::ThrowIfFailed(m_WICFactory->CreateDecoderFromFilename(wfilename, 0, GENERIC_READ, WICDecodeMetadataCacheOnDemand, &decoder)); ComPtr frame; DX::ThrowIfFailed(decoder->GetFrame(0, &frame)); DX::ThrowIfFailed(frame->GetSize(&m_width, &m_height)); // get bpp WICPixelFormatGUID pixelFormat; DX::ThrowIfFailed(frame->GetPixelFormat(&pixelFormat)); ComPtr pConvertedFrame; if (pixelFormat != GUID_WICPixelFormat32bppRGBA) { DX::ThrowIfFailed(WICConvertBitmapSource(GUID_WICPixelFormat32bppRGBA, frame.Get(), &pConvertedFrame)); } else { pConvertedFrame = frame; } DX::ThrowIfFailed(pConvertedFrame->GetPixelFormat(&pixelFormat)); ComPtr cinfo; DX::ThrowIfFailed(m_WICFactory->CreateComponentInfo(pixelFormat, &cinfo)); ComPtr pfinfo; DX::ThrowIfFailed(cinfo->QueryInterface(__uuidof(IWICPixelFormatInfo), &pfinfo)); DX::ThrowIfFailed(pfinfo->GetBitsPerPixel(&m_bpp)); m_rowPitch = (m_width * m_bpp + 7) / 8; m_imageSize = m_rowPitch * m_height; m_data.resize(m_imageSize); DX::ThrowIfFailed(pConvertedFrame->CopyPixels(0, m_rowPitch, m_imageSize, m_data.data())); }