openurl file + starting with sending image file and pasting

src/send_image_popup.cpp

@@ -0,0 +1,166 @@
+#include "./send_image_popup.hpp"
+
+#include "./image_loader_sdl_bmp.hpp"
+#include "./image_loader_stb.hpp"
+#include "./image_loader_webp.hpp"
+
+#include <imgui/imgui.h>
+
+SendImagePopup::SendImagePopup(TextureUploaderI& tu) : _tu(tu) {
+	_image_loaders.push_back(std::make_unique<ImageLoaderSDLBMP>());
+	_image_loaders.push_back(std::make_unique<ImageLoaderWebP>());
+	_image_loaders.push_back(std::make_unique<ImageLoaderSTB>());
+}
+
+void SendImagePopup::reset(void) {
+	_on_send = [](const auto&, auto){};
+	_on_cancel = [](){};
+
+	// hm
+	original_data.clear();
+	{
+		original_image.width = 0;
+		original_image.height = 0;
+		original_image.frames.clear();
+	}
+
+	// clear preview img
+	for (const auto& tex_id : preview_image.textures) {
+		_tu.destroy(tex_id);
+	}
+	preview_image = {};
+}
+
+bool SendImagePopup::load(void) {
+	// try all loaders after another
+	for (auto& il : _image_loaders) {
+		original_image = il->loadFromMemoryRGBA(original_data.data(), original_data.size());
+		if (original_image.frames.empty() || original_image.height == 0 || original_image.width == 0) {
+			continue;
+		}
+
+		original_file_ext = ".";
+		if (original_image.file_ext != nullptr) {
+			original_file_ext += original_image.file_ext;
+		} else {
+			original_file_ext += "unk";
+		}
+
+		preview_image.timestamp_last_rendered = getNowMS();
+		preview_image.current_texture = 0;
+		for (const auto& [ms, data] : original_image.frames) {
+			const auto n_t = _tu.uploadRGBA(data.data(), original_image.width, original_image.height);
+			preview_image.textures.push_back(n_t);
+			preview_image.frame_duration.push_back(ms);
+		}
+
+		// redundant
+		preview_image.width = original_image.width;
+		preview_image.height = original_image.height;
+
+		if (original_image.frames.size() > 1) {
+			std::cout << "SIP: loaded animation\n";
+		} else {
+			std::cout << "SIP: loaded image\n";
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
+void SendImagePopup::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
+) {
+	original_raw = false;
+	if (data == nullptr || data_size == 0) {
+		return; // error
+	}
+
+	// copy paste data to memory
+	original_data.clear();
+	original_data.insert(original_data.begin(), data, data+data_size);
+
+	if (!load()) {
+		std::cerr << "SIP: failed to load image from memory\n";
+		reset();
+		return;
+	}
+
+	_open_popup = true;
+
+	_on_send = std::move(on_send);
+	_on_cancel = std::move(on_cancel);
+
+}
+
+void SendImagePopup::render(void) {
+	if (_open_popup) {
+		_open_popup = false;
+		ImGui::OpenPopup("send image##SendImagePopup");
+
+		//const auto TEXT_BASE_WIDTH = ImGui::CalcTextSize("A").x;
+		//const auto TEXT_BASE_HEIGHT = ImGui::GetTextLineHeightWithSpacing();
+
+		//ImGui::SetNextWindowSize({TEXT_BASE_WIDTH*100, TEXT_BASE_HEIGHT*30});
+	}
+
+	// TODO: add cancel action
+	if (ImGui::BeginPopupModal("send image##SendImagePopup", nullptr/*, ImGuiWindowFlags_NoDecoration*/)) {
+		const auto TEXT_BASE_WIDTH = ImGui::CalcTextSize("A").x;
+		const auto TEXT_BASE_HEIGHT = ImGui::GetTextLineHeightWithSpacing();
+
+		preview_image.doAnimation(getNowMS());
+
+		//ImGui::Text("send file....\n......");
+
+		{
+			float width = ImGui::GetWindowContentRegionMax().x - ImGui::GetWindowContentRegionMin().x;
+			float height = preview_image.height * (width / preview_image.width);
+
+			const float max_height =
+				ImGui::GetWindowContentRegionMax().y
+				- (
+					ImGui::GetWindowContentRegionMin().y
+					+ TEXT_BASE_HEIGHT*(2-1) // row of buttons (-1 bc fh inclues fontsize)
+					+ ImGui::GetFrameHeightWithSpacing()
+				)
+			;
+			if (height > max_height) {
+				width *= max_height / height;
+				height = max_height;
+			}
+
+			// TODO: propergate type
+			ImGui::Image(
+				preview_image.getID<void*>(),
+				ImVec2{static_cast<float>(width), static_cast<float>(height)}
+			);
+		}
+
+		if (ImGui::Button("X cancel", {ImGui::GetWindowContentRegionWidth()/2.f, TEXT_BASE_HEIGHT*2})) {
+			_on_cancel();
+			ImGui::CloseCurrentPopup();
+			reset();
+		}
+		ImGui::SameLine();
+		if (ImGui::Button("send ->", {-FLT_MIN, TEXT_BASE_HEIGHT*2})) {
+			//if (_is_valid(_current_file_path)) {
+
+				// if modified
+				//_on_send(data);
+				// else
+				_on_send(original_data, original_file_ext);
+
+				ImGui::CloseCurrentPopup();
+				reset();
+			//}
+		}
+
+		ImGui::EndPopup();
+	}
+}
+