Method SaveAsImage

projects/uDesigner/source/main.cpp:722–741

    }

    inline bool SaveAsImage(zip_t *theme_zip) {
        if(!this->ImageIsBuiltin() && (this->el_img.width > 0)) {
            GLuint fb;
            glGenFramebuffers(1, &fb);
            glBindFramebuffer(GL_FRAMEBUFFER, fb);
            glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, this->el_img.gl_tex, 0);

            auto pixels = reinterpret_cast<u8*>(malloc(this->el_img.width * this->el_img.height * 4));
            glReadBuffer(GL_COLOR_ATTACHMENT0);
            glReadPixels(0, 0, this->el_img.width, this->el_img.height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);

            glDeleteFramebuffers(1, &fb);

            int png_ptr_size;
            auto png_ptr = stbi_write_png_to_mem(pixels, this->el_img.width * 4, this->el_img.width, this->el_img.height, 4, &png_ptr_size);
            return SaveThemeAsset(theme_zip, this->load_ctx.img_path + ".png", png_ptr, png_ptr_size);
        }

        return true;
    }

    inline nlohmann::json &GetSettingsReference() {
        return g_UiSettings[ul::design::MenuSettingsNames[static_cast<u32>(this->menu)]][this->ui_name];