Initial work on sprites and texture system

1 files changed, 38 insertions, 0 deletions

diff --git a/source/Image.hpp b/source/Image.hpp
new file mode 100644
index 0000000..c577c24
--- /dev/null
+++ b/source/Image.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include "Color.hpp"
+#include "RcPtr.hpp"
+
+#include <cstdint>
+#include <glm/glm.hpp>
+#include <memory>
+#include <span>
+
+/// Image is a 2d array of pixels, stored as a continuous array in memory, with the first pixel
+/// being the top-left pixel. If a vertically flipped image data is needed, load using stb_image
+/// yourself, or flip the data here.
+class Image : public RefCounted {
+private:
+	std::unique_ptr<uint8_t[]> mData;
+	glm::ivec2 mSize;
+	int mChannels;
+
+public:
+	Image();
+
+	bool InitFromImageFile(const char* filePath, int desiredChannels = 0);
+	bool InitFromImageData(std::span<uint8_t> data, int desiredChannels = 0);
+	bool InitFromPixels(std::span<uint8_t> pixels, glm::ivec2 dimensions, int channels);
+	bool InitFromPixels(std::unique_ptr<uint8_t[]> pixels, glm::ivec2 dimensions, int channels);
+
+	/// Get the pixel at the given location.
+	RgbaColor GetPixel(int x, int y) const;
+	void SetPixel(int x, int y, RgbaColor color);
+
+	uint8_t* GetDataPtr() const;
+	size_t GetDataLength() const;
+	std::span<uint8_t> GetData() const;
+	glm::ivec2 GetSize() const;
+	int GetChannels() const;
+	bool IsEmpty() const;
+};