93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// Copyright (c) OpenMMLab. All rights reserved.
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#ifndef CORE_MAT_H
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#define CORE_MAT_H
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#include <memory>
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#include <vector>
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#include "core/device.h"
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#include "core/types.h"
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namespace mmdeploy {
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class MMDEPLOY_API Mat final {
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public:
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Mat() = default;
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/**
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* @brief construct a Mat for an image
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* @param h height of an image
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* @param w width of an image
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* @param format pixel format of an image, rgb, bgr, gray etc. Note that in
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* case of nv12 or nv21, height is the real height of an image,
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* not height * 3 / 2
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* @param type data type of an pixel in each channel
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* @param device location Mat's buffer stores
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*/
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Mat(int h, int w, PixelFormat format, DataType type, Device device = Device{0},
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Allocator allocator = {});
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/**@brief construct a Mat for an image using custom data
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* @example
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* ``` c++
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* cv::Mat image = imread("test.jpg");
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* std::shared_ptr<void> data(image.data, [image=image](void* p){});
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* mmdeploy::Mat mat(image.rows, image.cols, kBGR, kINT8, data);
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* ```
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* @param h height of an image
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* @param w width of an image
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* @param format pixel format of an image, rgb, bgr, gray etc. Note that in
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* case of nv12 or nv21, height is the real height of an image,
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* not height * 3 / 2
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* @param type data type of an pixel in each channel
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* @param data custom data
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* @param device location where `data` is on
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*/
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Mat(int h, int w, PixelFormat format, DataType type, std::shared_ptr<void> data,
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Device device = Device{0});
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/**
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* @brief construct a Mat for an image using custom data
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* @param h height of an image
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* @param w width of an image
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* @param format pixel format of an image, rgb, bgr, gray etc. Note that in
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* case of nv12 or nv21, height is the real height of an image,
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* not height * 3 / 2
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* @param type data type of an pixel in each channel
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* @param data custom data
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* @param device location where `data` is on
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*/
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Mat(int h, int w, PixelFormat format, DataType type, void* data, Device device = Device{0});
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Device device() const;
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Buffer& buffer();
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const Buffer& buffer() const;
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PixelFormat pixel_format() const { return format_; }
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DataType type() const { return type_; }
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int height() const { return height_; }
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int width() const { return width_; }
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int channel() const { return channel_; }
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int size() const { return size_; }
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int byte_size() const { return bytes_; }
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template <typename T>
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T* data() const {
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return reinterpret_cast<T*>(buf_.GetNative());
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}
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private:
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Buffer buf_;
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PixelFormat format_{PixelFormat::kGRAYSCALE};
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DataType type_{DataType::kINT8};
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int width_{0};
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int height_{0};
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int channel_{0};
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int size_{0}; // size of elements in mat
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int bytes_{0};
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};
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} // namespace mmdeploy
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#endif // !CORE_MAT_H
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