openurl file + starting with sending image file and pasting

src/send_image_popup.hpp

@@ -0,0 +1,61 @@
+#pragma once
+
+#include <cstdint>
+#include <functional>
+#include <memory>
+
+#include "./image_loader.hpp"
+#include "./texture_cache.hpp"
+
+struct SendImagePopup {
+	TextureUploaderI& _tu;
+
+	// private
+	std::vector<std::unique_ptr<ImageLoaderI>> _image_loaders;
+
+	// copy of the original data, dont touch!
+	std::vector<uint8_t> original_data;
+	bool original_raw {false};
+	std::string original_file_ext; // if !original_raw
+
+	ImageLoaderI::ImageResult original_image;
+
+	struct Rect {
+		uint32_t x {0};
+		uint32_t y {0};
+
+		uint32_t w {0};
+		uint32_t h {0};
+	};
+	Rect crop_rect;
+
+	// texture to render (orig img)
+	TextureEntry preview_image;
+
+	bool _open_popup {false};
+
+	std::function<void(const std::vector<uint8_t>&, std::string_view)> _on_send = [](const auto&, auto){};
+	std::function<void(void)> _on_cancel = [](){};
+
+	void reset(void);
+
+	// loads the image in original_data
+	// fills in original_image, preview_image and crop_rect
+	// returns if loaded successfully
+	bool load(void);
+
+	public:
+		SendImagePopup(TextureUploaderI& tu);
+
+		void sendMemory(
+			const uint8_t* data, size_t data_size,
+			std::function<void(const std::vector<uint8_t>&, std::string_view)>&& on_send,
+			std::function<void(void)>&& on_cancel
+		);
+		// from memory_raw
+		// from file_path
+
+		// call this each frame
+		void render(void);
+};
+