Function RealMakeScreenshot

src/screenshot.cpp:381–444

* Make a screenshot. * @param t the type of screenshot to make. * @param name the name to give to the screenshot. * @param width the width of the screenshot of, or 0 for current viewport width (only works for SC_ZOOMEDIN and SC_DEFAULTZOOM). * @param height the height of the screenshot of, or 0 for current viewport height (only works for SC_ZOOMEDIN and SC_DEFAULTZOOM). * @return true iff

 * @return true iff the screenshot was made successfully
 */
static bool RealMakeScreenshot(ScreenshotType t, const std::string &name, uint32_t width, uint32_t height)
{
	if (t == SC_VIEWPORT) {
		/* First draw the dirty parts of the screen and only then change the name
		 * of the screenshot. This way the screenshot will always show the name
		 * of the previous screenshot in the 'successful' message instead of the
		 * name of the new screenshot (or an empty name). */
		SetScreenshotWindowVisibility(true);
		UndrawMouseCursor();
		DrawDirtyBlocks();
		SetScreenshotWindowVisibility(false);
	}

	_screenshot_name = name;

	bool ret;
	switch (t) {
		case SC_VIEWPORT:
			ret = MakeSmallScreenshot(false);
			break;

		case SC_CRASHLOG:
			ret = MakeSmallScreenshot(true);
			break;

		case SC_ZOOMEDIN:
		case SC_DEFAULTZOOM:
			ret = MakeLargeWorldScreenshot(t, width, height);
			break;

		case SC_WORLD:
			ret = MakeLargeWorldScreenshot(t);
			break;

		case SC_HEIGHTMAP: {
			auto provider = GetScreenshotProvider();
			if (provider == nullptr) {
				ret = false;
			} else {
				ret = MakeHeightmapScreenshot(MakeScreenshotName(HEIGHTMAP_NAME, provider->GetName()));
			}
			break;
		}

		case SC_MINIMAP:
			ret = MakeMinimapWorldScreenshot();
			break;

		default:
			NOT_REACHED();
	}

	if (ret) {
		if (t == SC_HEIGHTMAP) {
			ShowErrorMessage(GetEncodedString(STR_MESSAGE_HEIGHTMAP_SUCCESSFULLY, _screenshot_name, _heightmap_highest_peak), {}, WL_WARNING);
		} else {
			ShowErrorMessage(GetEncodedString(STR_MESSAGE_SCREENSHOT_SUCCESSFULLY, _screenshot_name), {}, WL_WARNING);
		}