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xn65/includes/xna/graphics/texture.hpp

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#ifndef XNA_GRAPHICS_TEXTURE_HPP
#define XNA_GRAPHICS_TEXTURE_HPP
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#include "csharp/io/stream.hpp"
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#include "gresource.hpp"
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#include "shared.hpp"
#include <cstdint>
#include <string>
#include <vector>
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namespace xna {
//Represents a texture resource.
class Texture : public GraphicsResource {
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public:
Texture(std::shared_ptr<GraphicsDevice> const& graphicsDevice) : GraphicsResource(graphicsDevice) {}
//Gets the format of the texture data.
virtual SurfaceFormat Format() const = 0;
//Gets the number of texture levels in a multilevel texture.
virtual int32_t LevelCount() const = 0;
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};
struct Texture2DImplementation;
//Represents a 2D grid of texels.
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class Texture2D : public Texture {
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public:
Texture2D();
Texture2D(std::shared_ptr<GraphicsDevice> const& device);
Texture2D(std::shared_ptr<GraphicsDevice> const& device, size_t width, size_t height);
Texture2D(std::shared_ptr<GraphicsDevice> const& device, size_t width, size_t height, size_t mipMap, SurfaceFormat format);
//Gets the width of this texture resource, in pixels.
constexpr int32_t Width() const { return width; }
//Gets the height of this texture resource, in pixels.
constexpr int32_t Height() const { return height; }
//Gets the size of this resource.
constexpr Rectangle Bounds() const { return { 0, 0, width, height }; }
//Gets the format of the texture data.
constexpr SurfaceFormat Format() const override { return surfaceFormat; }
//Gets the number of texture levels in a multilevel texture.
constexpr int32_t LevelCount() const { return levelCount; }
//Sets data to the texture.
void SetData(std::vector<Color> const& data, size_t startIndex = 0, size_t elementCount = 0);
//Sets data to the texture.
void SetData(std::vector<uint32_t> const& data, size_t startIndex = 0, size_t elementCount = 0);
//Sets data to the texture.
void SetData(std::vector<uint8_t> const& data, size_t startIndex = 0, size_t elementCount = 0);
//Sets data to the texture.
void SetData(int32_t level, Rectangle* rect, std::vector<uint8_t> const& data, size_t startIndex, size_t elementCount);
//Loads texture data from a stream.
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static std::shared_ptr<Texture2D> FromStream(GraphicsDevice& device, csharp::Stream& stream);
//Loads texture data from a file.
static std::shared_ptr<Texture2D> FromStream(GraphicsDevice& device, std::string const& fileName);
//Loads texture data from a data.
static std::shared_ptr<Texture2D> FromStream(GraphicsDevice& device, std::vector<uint8_t> const& data);
void Initialize();
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std::unique_ptr<Texture2DImplementation> Implementation;
protected:
SurfaceFormat surfaceFormat{ SurfaceFormat::Color };
int32_t levelCount{ 0 };
int width{ 0 };
int height{ 0 };
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};
}
#endif