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179 lines
12 KiB
179 lines
12 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, |
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2020, 2021, 2022, 2023, 2024, 2025 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "Image.h" |
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#include "Magnum/ImageView.h" |
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#include "Magnum/PixelFormat.h" |
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#include "Magnum/Implementation/ImageProperties.h" |
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namespace Magnum { |
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template<UnsignedInt dimensions> Image<dimensions>::Image(const PixelStorage storage, const PixelFormat format, const VectorTypeFor<dimensions, Int>& size, Containers::Array<char>&& data, const ImageFlags<dimensions> flags) noexcept: Image{storage, format, {}, (CORRADE_CONSTEXPR_ASSERT(!isPixelFormatImplementationSpecific(format), "Image: can't determine size of an implementation-specific pixel format" << Debug::hex << pixelFormatUnwrap(format) << Debug::nospace << ", pass it explicitly"), pixelFormatSize(format)), size, Utility::move(data), flags} {} |
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template<UnsignedInt dimensions> Image<dimensions>::Image(const PixelStorage storage, const UnsignedInt format, const UnsignedInt formatExtra, const UnsignedInt pixelSize, const VectorTypeFor<dimensions, Int>& size, Containers::Array<char>&& data, const ImageFlags<dimensions> flags) noexcept: Image{storage, pixelFormatWrap(format), formatExtra, pixelSize, size, Utility::move(data), flags} {} |
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template<UnsignedInt dimensions> Image<dimensions>::Image(const PixelStorage storage, const PixelFormat format, const UnsignedInt formatExtra, const UnsignedInt pixelSize, const VectorTypeFor<dimensions, Int>& size, Containers::Array<char>&& data, const ImageFlags<dimensions> flags) noexcept: _storage{storage}, _format{format}, _formatExtra{formatExtra}, _pixelSize{UnsignedByte(pixelSize)}, _flags{flags}, _size{size}, _data{Utility::move(data)} { |
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#ifndef CORRADE_NO_ASSERT |
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Implementation::checkPixelSize("Image:", pixelSize); |
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CORRADE_ASSERT(Implementation::imageDataSize(*this) <= _data.size(), "Image: data too small, got" << _data.size() << "but expected at least" << Implementation::imageDataSize(*this) << "bytes", ); |
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Implementation::checkImageFlagsForSize("Image:", flags, size); |
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#endif |
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} |
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template<UnsignedInt dimensions> Image<dimensions>::Image(const PixelStorage storage, const PixelFormat format) noexcept: Image{storage, format, {}, (CORRADE_CONSTEXPR_ASSERT(!isPixelFormatImplementationSpecific(format), "Image: can't determine size of an implementation-specific pixel format" << Debug::hex << pixelFormatUnwrap(format) << Debug::nospace << ", pass it explicitly"), pixelFormatSize(format))} {} |
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template<UnsignedInt dimensions> Image<dimensions>::Image(const PixelStorage storage, const UnsignedInt format, const UnsignedInt formatExtra, const UnsignedInt pixelSize) noexcept: Image{storage, pixelFormatWrap(format), formatExtra, pixelSize} {} |
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template<UnsignedInt dimensions> Image<dimensions>::Image(const PixelStorage storage, const PixelFormat format, const UnsignedInt formatExtra, const UnsignedInt pixelSize) noexcept: _storage{storage}, _format{format}, _formatExtra{formatExtra}, _pixelSize{UnsignedByte(pixelSize)}, _data{} { |
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#ifndef CORRADE_NO_ASSERT |
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Implementation::checkPixelSize("Image:", pixelSize); |
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#endif |
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} |
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template<UnsignedInt dimensions> Image<dimensions>::Image(Image<dimensions>&& other) noexcept: _storage{Utility::move(other._storage)}, _format{Utility::move(other._format)}, _formatExtra{Utility::move(other._formatExtra)}, _pixelSize{Utility::move(other._pixelSize)}, _flags{Utility::move(other._flags)}, _size{Utility::move(other._size)}, _data{Utility::move(other._data)} { |
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other._size = {}; |
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} |
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template<UnsignedInt dimensions> Image<dimensions>& Image<dimensions>::operator=(Image<dimensions>&& other) noexcept { |
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using Utility::swap; |
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swap(_storage, other._storage); |
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swap(_format, other._format); |
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swap(_formatExtra, other._formatExtra); |
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swap(_pixelSize, other._pixelSize); |
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swap(_flags, other._flags); |
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swap(_size, other._size); |
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swap(_data, other._data); |
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return *this; |
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} |
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template<UnsignedInt dimensions> Image<dimensions>::operator BasicMutableImageView<dimensions>() { |
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return BasicMutableImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size, _data, _flags}; |
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} |
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template<UnsignedInt dimensions> Image<dimensions>::operator BasicImageView<dimensions>() const { |
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return BasicImageView<dimensions>{_storage, _format, _formatExtra, _pixelSize, _size, _data, _flags}; |
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} |
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template<UnsignedInt dimensions> std::pair<VectorTypeFor<dimensions, std::size_t>, VectorTypeFor<dimensions, std::size_t>> Image<dimensions>::dataProperties() const { |
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return Implementation::imageDataProperties<dimensions>(*this); |
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} |
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template<UnsignedInt dimensions> Containers::StridedArrayView<dimensions + 1, char> Image<dimensions>::pixels() { |
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return Implementation::imagePixelView<dimensions, char>(*this, data()); |
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} |
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template<UnsignedInt dimensions> Containers::StridedArrayView<dimensions + 1, const char> Image<dimensions>::pixels() const { |
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return Implementation::imagePixelView<dimensions, const char>(*this, data()); |
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} |
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template<UnsignedInt dimensions> Containers::Array<char> Image<dimensions>::release() { |
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Containers::Array<char> data{Utility::move(_data)}; |
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_size = {}; |
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return data; |
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} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>::CompressedImage(const CompressedPixelStorage storage, const CompressedPixelFormat format, const VectorTypeFor<dimensions, Int>& size, Containers::Array<char>&& data, const ImageFlags<dimensions> flags) noexcept: CompressedImage{storage, format, (CORRADE_CONSTEXPR_ASSERT(!isCompressedPixelFormatImplementationSpecific(format), "CompressedImage: can't determine block size of an implementation-specific pixel format" << Debug::hex << compressedPixelFormatUnwrap(format) << Debug::nospace << ", pass it explicitly"), compressedPixelFormatBlockSize(format)), ( |
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/* Have to do it like this to ensure the above assertion is printed before |
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the subsequent one from compressedPixelFormatBlockDataSize(), as |
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compilers are free to reorder these as they want */ |
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#ifndef CORRADE_NO_ASSERT |
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isCompressedPixelFormatImplementationSpecific(format) ? 0 : |
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#endif |
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compressedPixelFormatBlockDataSize(format) |
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), size, Utility::move(data), flags} {} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>::CompressedImage(const CompressedPixelStorage storage, const CompressedPixelFormat format, const Vector3i& blockSize, const UnsignedInt blockDataSize, const VectorTypeFor<dimensions, Int>& size, Containers::Array<char>&& data, const ImageFlags<dimensions> flags) noexcept: _storage{storage}, _format{format}, _flags{flags}, _blockSize{Vector3ub{blockSize}}, _blockDataSize{UnsignedByte(blockDataSize)}, _size{size}, _data{Utility::move(data)} { |
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#ifndef CORRADE_NO_ASSERT |
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const bool passed = |
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Implementation::checkBlockProperties("CompressedImage:", blockSize, blockDataSize); |
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#ifdef CORRADE_GRACEFUL_ASSERT |
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/* If the above check fails on a build with graceful assertions, the data |
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size check below could then die on division by zero. Exit early in that |
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case. */ |
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/** @todo any better idea to handle this? ugh */ |
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if(!passed) return; |
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#else |
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static_cast<void>(passed); |
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#endif |
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Implementation::checkBlockPropertiesForStorage("CompressedImage:", blockSize, blockDataSize, storage); |
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CORRADE_ASSERT(Implementation::compressedImageDataSize(*this) <= _data.size(), "CompressedImage: data too small, got" << _data.size() << "but expected at least" << Implementation::compressedImageDataSize(*this) << "bytes", ); |
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Implementation::checkImageFlagsForSize("CompressedImage:", flags, size); |
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#endif |
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} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>::CompressedImage(const CompressedPixelStorage storage, const UnsignedInt format, const Vector3i& blockSize, const UnsignedInt blockDataSize, const VectorTypeFor<dimensions, Int>& size, Containers::Array<char>&& data, const ImageFlags<dimensions> flags) noexcept: CompressedImage{storage, compressedPixelFormatWrap(format), blockSize, blockDataSize, size, Utility::move(data), flags} {} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>::CompressedImage(const CompressedPixelStorage storage) noexcept: _storage{storage}, _format{}, _blockDataSize{} { |
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CORRADE_ASSERT(storage.compressedBlockSize() == Vector3i{}, |
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"CompressedImage: expected pixel storage block size to not be set at all but got" << Debug::packed << storage.compressedBlockSize(), ); |
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CORRADE_ASSERT(!storage.compressedBlockDataSize(), |
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"CompressedImage: expected pixel storage block data size to not be set at all but got" << storage.compressedBlockDataSize(), ); |
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} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>::CompressedImage(CompressedImage<dimensions>&& other) noexcept: _storage{other._storage}, _format{other._format}, _flags{other._flags}, _blockSize{other._blockSize}, _blockDataSize{other._blockDataSize}, _size{other._size}, _data{Utility::move(other._data)} { |
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other._size = {}; |
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} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>& CompressedImage<dimensions>::operator=(CompressedImage<dimensions>&& other) noexcept { |
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using Utility::swap; |
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swap(_storage, other._storage); |
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swap(_format, other._format); |
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swap(_flags, other._flags); |
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swap(_blockSize, other._blockSize); |
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swap(_blockDataSize, other._blockDataSize); |
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swap(_size, other._size); |
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swap(_data, other._data); |
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return *this; |
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} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>::operator BasicMutableCompressedImageView<dimensions>() { |
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return BasicMutableCompressedImageView<dimensions>{_storage, _format, Vector3i{_blockSize}, _blockDataSize, _size, _data, _flags}; |
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} |
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template<UnsignedInt dimensions> CompressedImage<dimensions>::operator BasicCompressedImageView<dimensions>() const { |
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return BasicCompressedImageView<dimensions>{_storage, _format, Vector3i{_blockSize}, _blockDataSize, _size, _data, _flags}; |
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} |
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template<UnsignedInt dimensions> std::pair<VectorTypeFor<dimensions, std::size_t>, VectorTypeFor<dimensions, std::size_t>> CompressedImage<dimensions>::dataProperties() const { |
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return Implementation::compressedImageDataProperties<dimensions>(*this); |
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} |
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template<UnsignedInt dimensions> Containers::Array<char> CompressedImage<dimensions>::release() { |
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Containers::Array<char> data{Utility::move(_data)}; |
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_size = {}; |
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return data; |
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} |
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template class MAGNUM_EXPORT Image<1>; |
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template class MAGNUM_EXPORT Image<2>; |
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template class MAGNUM_EXPORT Image<3>; |
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template class MAGNUM_EXPORT CompressedImage<1>; |
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template class MAGNUM_EXPORT CompressedImage<2>; |
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template class MAGNUM_EXPORT CompressedImage<3>; |
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}
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