76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef IBL_IMAGE_H
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#define IBL_IMAGE_H
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#include <math/scalar.h>
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#include <math/vec3.h>
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#include <math/vec4.h>
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#include <memory>
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namespace filament {
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namespace ibl {
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class Image {
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public:
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Image();
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Image(size_t w, size_t h, size_t stride = 0);
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void reset();
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void set(Image const& image);
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void subset(Image const& image, size_t x, size_t y, size_t w, size_t h);
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bool isValid() const { return mData != nullptr; }
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size_t getWidth() const { return mWidth; }
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size_t getStride() const { return mBpr / getBytesPerPixel(); }
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size_t getHeight() const { return mHeight; }
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size_t getBytesPerRow() const { return mBpr; }
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size_t getBytesPerPixel() const { return sizeof(math::float3); }
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void* getData() const { return mData; }
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size_t getSize() const { return mBpr * mHeight; }
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void* getPixelRef(size_t x, size_t y) const;
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std::unique_ptr<uint8_t[]> detach() { return std::move(mOwnedData); }
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private:
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size_t mBpr = 0;
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size_t mWidth = 0;
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size_t mHeight = 0;
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std::unique_ptr<uint8_t[]> mOwnedData;
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void* mData = nullptr;
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};
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inline void* Image::getPixelRef(size_t x, size_t y) const {
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return static_cast<uint8_t*>(mData) + y * getBytesPerRow() + x * getBytesPerPixel();
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}
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} // namespace ibl
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} // namespace filament
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#endif /* IBL_IMAGE_H */
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