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authorassiduous <assiduous@diligentgraphics.com>2020-01-31 03:38:22 +0000
committerassiduous <assiduous@diligentgraphics.com>2020-01-31 03:38:22 +0000
commit103f0c2ab0c9c4c54d168b98a86bc10d0dac0449 (patch)
tree39a18d20139cac465b7316ab11bfcd73069778c2 /TextureLoader/interface/Image.h
parentFixed a bunch of minor Linux/iOS/MacOS build issues (diff)
downloadDiligentTools-103f0c2ab0c9c4c54d168b98a86bc10d0dac0449.tar.gz
DiligentTools-103f0c2ab0c9c4c54d168b98a86bc10d0dac0449.zip
Renamed .h -> .hpp where appropriate
Diffstat (limited to 'TextureLoader/interface/Image.h')
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diff --git a/TextureLoader/interface/Image.h b/TextureLoader/interface/Image.h
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-/*
- * Copyright 2019-2020 Diligent Graphics LLC
- * Copyright 2015-2019 Egor Yusov
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * In no event and under no legal theory, whether in tort (including negligence),
- * contract, or otherwise, unless required by applicable law (such as deliberate
- * and grossly negligent acts) or agreed to in writing, shall any Contributor be
- * liable for any damages, including any direct, indirect, special, incidental,
- * or consequential damages of any character arising as a result of this License or
- * out of the use or inability to use the software (including but not limited to damages
- * for loss of goodwill, work stoppage, computer failure or malfunction, or any and
- * all other commercial damages or losses), even if such Contributor has been advised
- * of the possibility of such damages.
- */
-
-#pragma once
-
-#include <vector>
-
-#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/GraphicsTypes.h"
-#include "../../../DiligentCore/Primitives/interface/FileStream.h"
-#include "../../../DiligentCore/Primitives/interface/DataBlob.h"
-#include "../../../DiligentCore/Common/interface/RefCntAutoPtr.hpp"
-#include "../../../DiligentCore/Common/interface/ObjectBase.hpp"
-
-namespace Diligent
-{
-
-/// Image file format
-enum class EImageFileFormat
-{
- /// Unknown format
- unknown = 0,
-
- /// The image is encoded in JPEG format
- jpeg,
-
- /// The image is encoded in PNG format
- png,
-
- /// The image is encoded in TIFF format
- tiff,
-
- /// DDS file
- dds,
-
- /// KTX file
- ktx
-};
-
-/// Image loading information
-struct ImageLoadInfo
-{
- /// Image file format
- EImageFileFormat Format = EImageFileFormat::unknown;
-};
-
-/// Image description
-struct ImageDesc
-{
- /// Image width in pixels
- Uint32 Width = 0;
-
- /// Image height in pixels
- Uint32 Height = 0;
-
- /// Component type
- VALUE_TYPE ComponentType = VT_UNDEFINED;
-
- /// Number of color components
- Uint32 NumComponents = 0;
-
- /// Image row stride in bytes
- Uint32 RowStride = 0;
-};
-
-/// Implementation of a 2D image
-class Image : public ObjectBase<IObject>
-{
-public:
- typedef ObjectBase<IObject> TBase;
-
- /// Creates a new image from the data blob
-
- /// \param [in] pFileData - Pointer to the data blob containing image data
- /// \param [in] LoadInfo - Image loading information
- /// \param [out] ppImage - Memory location where pointer to the created image is written.
- /// The image should be released via Release().
- static void CreateFromDataBlob(IDataBlob* pFileData,
- const ImageLoadInfo& LoadInfo,
- Image** ppImage);
-
- struct EncodeInfo
- {
- Uint32 Width = 0;
- Uint32 Height = 0;
- TEXTURE_FORMAT TexFormat = TEX_FORMAT_UNKNOWN;
- bool KeepAlpha = false;
- const void* pData = nullptr;
- Uint32 Stride = 0;
- EImageFileFormat FileFormat = EImageFileFormat::jpeg;
- int JpegQuality = 95;
- };
- static void Encode(const EncodeInfo& Info, IDataBlob** ppEncodedData);
-
- /// Returns image description
- const ImageDesc& GetDesc() { return m_Desc; }
-
- /// Returns a pointer to the image data
- IDataBlob* GetData() { return m_pData; }
-
- static std::vector<Uint8> ConvertImageData(Uint32 Width,
- Uint32 Height,
- const Uint8* pData,
- Uint32 Stride,
- TEXTURE_FORMAT SrcFormat,
- TEXTURE_FORMAT DstFormat,
- bool KeepAlpha);
-
- static EImageFileFormat GetFileFormat(const Uint8* pData, size_t Size);
-
-private:
- template <typename AllocatorType, typename ObjectType>
- friend class MakeNewRCObj;
-
- Image(IReferenceCounters* pRefCounters,
- IDataBlob* pFileData,
- const ImageLoadInfo& LoadInfo);
-
- void LoadPngFile(IDataBlob* pFileData, const ImageLoadInfo& LoadInfo);
- void LoadTiffFile(IDataBlob* pFileData, const ImageLoadInfo& LoadInfo);
- void LoadJpegFile(IDataBlob* pFileData, const ImageLoadInfo& LoadInfo);
-
- ImageDesc m_Desc;
- RefCntAutoPtr<IDataBlob> m_pData;
-};
-
-
-/// Creates an image from file
-
-/// \param [in] FilePath - Source file path
-/// \param [out] ppImage - Memory location where pointer to the created image will be stored
-/// \param [out] ppRawData - If the file format is not recognized by the function, it will load raw bytes
-/// and return them in the data blob. This parameter can be null.
-/// \return Image file format.
-EImageFileFormat CreateImageFromFile(const Char* FilePath,
- Image** ppImage,
- IDataBlob** ppRawData = nullptr);
-
-} // namespace Diligent