77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License.
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#ifndef K4AVIEWERIMAGE_H
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#define K4AVIEWERIMAGE_H
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// System headers
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//
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#include <memory>
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// Library headers
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//
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#include <k4a/k4a.hpp>
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#include "k4aimgui_all.h"
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// Project headers
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//
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#include "k4apixel.h"
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#include "openglhelpers.h"
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namespace k4aviewer
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{
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struct ImageDimensions
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{
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ImageDimensions() = default;
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constexpr ImageDimensions(int w, int h) : Width(w), Height(h) {}
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constexpr ImageDimensions(const std::pair<int, int> &pair) : Width(pair.first), Height(pair.second) {}
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int Width;
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int Height;
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};
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// An image renderable by K4AViewer UI controls.
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// Essentially an OpenGL texture with a bit of extra metadata.
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//
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class K4AViewerImage
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{
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public:
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static GLenum Create(std::shared_ptr<K4AViewerImage> *out,
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const uint8_t *data,
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ImageDimensions dimensions,
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GLenum format = GL_BGRA,
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GLenum internalFormat = GL_RGBA8);
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explicit operator ImTextureID() const;
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explicit operator GLuint() const;
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ImageDimensions GetDimensions() const
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{
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return m_dimensions;
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}
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GLenum UpdateTexture(const uint8_t *data);
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~K4AViewerImage() = default;
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K4AViewerImage(const K4AViewerImage &) = delete;
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K4AViewerImage(const K4AViewerImage &&) = delete;
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K4AViewerImage &operator=(const K4AViewerImage &) = delete;
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K4AViewerImage &operator=(const K4AViewerImage &&) = delete;
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private:
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K4AViewerImage(ImageDimensions dimensions, GLenum format);
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ImageDimensions m_dimensions;
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GLenum m_format;
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OpenGL::Texture m_texture = OpenGL::Texture(true);
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OpenGL::Buffer m_textureBuffer = OpenGL::Buffer(true);
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GLuint m_textureBufferSize;
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};
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} // namespace k4aviewer
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#endif
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