* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.

 */

 /** @file screenshot_gui.cpp GUI functions related to screenshots. */

#include "stdafx.h"

#include "gui.h"

#include "viewport_func.h"

#include "window_func.h"

#include "window_gui.h"

#include "screenshot.h"

#include "textbuf_gui.h"

#include "widgets/screenshot_widget.h"

#include "table/strings.h"

static ScreenshotType _screenshot_type;

struct ScreenshotWindow : Window {

	ScreenshotWindow(WindowDesc *desc) : Window(desc) {

		this->CreateNestedTree();

		this->FinishInitNested();

	}

	/**

	 * Make a screenshot.

	 * Ask for confirmation if the screenshot will be huge.

	 * @param t Screenshot type: World, defaultzoom, heightmap or viewport screenshot

	 */

	static void TakeScreenshot(ScreenshotType st) {

		ViewPort vp;

		SetupScreenshotViewport(st, &vp);

		if ((uint64)vp.width * (uint64)vp.height > 8192 * 8192) {

			/* Ask for confirmation */

			_screenshot_type = st;

			ShowQuery(STR_WARNING_SCREENSHOT_SIZE_CAPTION, STR_WARNING_SCREENSHOT_SIZE_MESSAGE, nullptr, ScreenshotConfirmationCallback);

		}

		else {

			/* Less than 64M pixels, just do it */

			MakeScreenshot(st, nullptr);

		}

	}

	/**

	 * Callback on the confirmation window for huge screenshots.

	 * @param w Window with viewport

	 * @param confirmed true on confirmation