tdesktop/Telegram/SourceFiles/ui/empty_userpic.h

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org

Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.

Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once

namespace Ui {

class EmptyUserpic {
public:
	EmptyUserpic(const style::color &color, const QString &name);

	void paint(
		Painter &p,
		int x,
		int y,
		int outerWidth,
		int size) const;
	void paintRounded(
		Painter &p,
		int x,
		int y,
		int outerWidth,
		int size) const;
	void paintSquare(
		Painter &p,
		int x,
		int y,
		int outerWidth,
		int size) const;
	QPixmap generate(int size);
	StorageKey uniqueKey() const;

	static void PaintSavedMessages(
		Painter &p,
		int x,
		int y,
		int outerWidth,
		int size);
	static void PaintSavedMessages(
		Painter &p,
		int x,
		int y,
		int outerWidth,
		int size,
		const style::color &bg,
		const style::color &fg);

	~EmptyUserpic();

private:
	template <typename Callback>
	void paint(
		Painter &p,
		int x,
		int y,
		int outerWidth,
		int size,
		Callback paintBackground) const;

	void fillString(const QString &name);

	style::color _color;
	QString _string;

};

} // namespace Ui