tdesktop/Telegram/SourceFiles/ui/image/image.h

105 lines
2.5 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "ui/image/image_prepare.h"
class QPainterPath;
class Image final {
public:
explicit Image(const QString &path);
explicit Image(const QByteArray &content);
explicit Image(QImage &&data);
[[nodiscard]] static not_null<Image*> Empty(); // 1x1 transparent
[[nodiscard]] static not_null<Image*> BlankMedia(); // 1x1 black
[[nodiscard]] int width() const {
return _data.width();
}
[[nodiscard]] int height() const {
return _data.height();
}
[[nodiscard]] QSize size() const {
return { width(), height() };
}
[[nodiscard]] bool isNull() const {
return (this == Empty());
}
[[nodiscard]] QImage original() const;
[[nodiscard]] const QPixmap &pix(
QSize size,
const Images::PrepareArgs &args = {}) const {
return cached(size.width(), size.height(), args, false);
}
[[nodiscard]] const QPixmap &pix(
int w,
int h,
const Images::PrepareArgs &args = {}) const {
return cached(w, h, args, false);
}
[[nodiscard]] const QPixmap &pix(
int w = 0,
const Images::PrepareArgs &args = {}) const {
return cached(w, 0, args, false);
}
[[nodiscard]] const QPixmap &pixSingle(
QSize size,
const Images::PrepareArgs &args = {}) const {
return cached(size.width(), size.height(), args, true);
}
[[nodiscard]] const QPixmap &pixSingle(
int w,
int h,
const Images::PrepareArgs &args = {}) const {
return cached(w, h, args, true);
}
[[nodiscard]] const QPixmap &pixSingle(
int w = 0,
const Images::PrepareArgs &args = {}) const {
return cached(w, 0, args, true);
}
[[nodiscard]] QPixmap pixNoCache(
QSize size,
const Images::PrepareArgs &args = {}) const {
return prepare(size.width(), size.height(), args);
}
[[nodiscard]] QPixmap pixNoCache(
int w,
int h,
const Images::PrepareArgs &args = {}) const {
return prepare(w, h, args);
}
[[nodiscard]] QPixmap pixNoCache(
int w = 0,
const Images::PrepareArgs &args = {}) const {
return prepare(w, 0, args);
}
private:
[[nodiscard]] QPixmap prepare(
int w,
int h,
const Images::PrepareArgs &args) const;
[[nodiscard]] const QPixmap &cached(
int w,
int h,
const Images::PrepareArgs &args,
bool single) const;
const QImage _data;
mutable base::flat_map<uint64, QPixmap> _cache;
};