Method fullFrame

src/gui2/imhex_overrides/splash_window.cpp:244–351

    void WindowSplash::fullFrame() {
        if (m_window == nullptr)
            return;

        glfwSetWindowSize(m_window, WindowSize.x, WindowSize.y);
        centerWindow(m_window);

        glfwPollEvents();

        // Start a new ImGui frame
        ImGui_ImplOpenGL3_NewFrame();
        ImGui_ImplGlfw_NewFrame();
        ImGui::NewFrame();

        // Draw the splash screen background
        auto drawList = ImGui::GetBackgroundDrawList();
        {

            // Draw the splash screen background
            drawList->AddImage(m_splashBackgroundTexture, ImVec2(0, 0), WindowSize);

            {

                // Function to highlight a given number of bytes at a position in the splash screen
                const auto highlightBytes = [&](ImVec2 start, size_t count, ImColor color, float opacity) {
                    // Dimensions and number of bytes that are drawn. Taken from the splash screen image
                    const auto hexSize = ImVec2(29, 18);
                    const auto hexSpacing = ImVec2(17.4F, 15);
                    const auto hexStart = ImVec2(27, 127);

                    constexpr auto HexCount = ImVec2(13, 7);

                    color.Value.w *= opacity;

                    // Loop over all the bytes on the splash screen
                    for (u32 y = u32(start.y); y < u32(HexCount.y); y += 1) {
                        bool isStart = true;
                        for (u32 x = u32(start.x); x < u32(HexCount.x); x += 1) {
                            if (count-- == 0)
                                return;

                            // Find the start position of the byte to draw
                            auto pos = hexStart + ImVec2(float(x), float(y)) * (hexSize + hexSpacing);

                            // Fill the rectangle in the byte with the given color
                            drawList->AddRectFilled(pos + ImVec2(0, -hexSpacing.y / 2), pos + hexSize + ImVec2(0, hexSpacing.y / 2), color);

                            // Add some extra color on the right if the current byte isn't the last byte, and we didn't reach the right side of the image
                            if (count > 0 && x != u32(HexCount.x) - 1)
                                drawList->AddRectFilled(pos + ImVec2(hexSize.x, -hexSpacing.y / 2), pos + hexSize + ImVec2(hexSpacing.x, hexSpacing.y / 2), color);

                            // Add some extra color on the left if this is the first byte we're highlighting
                            if (isStart) {
                                isStart = false;
                                drawList->AddRectFilled(pos - hexSpacing / 2, pos + ImVec2(0, hexSize.y + hexSpacing.y / 2), color);
                            }

                            // Add some extra color on the right if this is the last byte