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authorrtk0c <[email protected]>2023-10-19 22:50:07 -0700
committerrtk0c <[email protected]>2023-10-19 22:50:07 -0700
commit2c92e07f337e42cf58970443f9de678f85a9b2a4 (patch)
tree075d5407e1e12a9d35cbee6e4c20ad34e0765c42 /src/brussel.engine/Image.hpp
parent615809c036f604bce4582cea8ad49c64693f4f45 (diff)
The great renaming: switch to "module style"
Diffstat (limited to 'src/brussel.engine/Image.hpp')
-rw-r--r--src/brussel.engine/Image.hpp38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/brussel.engine/Image.hpp b/src/brussel.engine/Image.hpp
new file mode 100644
index 0000000..c577c24
--- /dev/null
+++ b/src/brussel.engine/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;
+};