tdesktop/Telegram/SourceFiles/ui/images.h

775 lines
19 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 "base/flags.h"
#include "data/data_file_origin.h"
namespace Storage {
namespace Cache {
struct Key;
} // namespace Cache
} // namespace Storage
enum class ImageRoundRadius {
None,
Large,
Small,
Ellipse,
};
namespace Images {
QPixmap PixmapFast(QImage &&image);
QImage prepareBlur(QImage image);
void prepareRound(
QImage &image,
ImageRoundRadius radius,
RectParts corners = RectPart::AllCorners,
QRect target = QRect());
void prepareRound(
QImage &image,
QImage *cornerMasks,
RectParts corners = RectPart::AllCorners,
QRect target = QRect());
void prepareCircle(QImage &image);
QImage prepareColored(style::color add, QImage image);
QImage prepareOpaque(QImage image);
enum class Option {
None = 0,
Smooth = (1 << 0),
Blurred = (1 << 1),
Circled = (1 << 2),
RoundedLarge = (1 << 3),
RoundedSmall = (1 << 4),
RoundedTopLeft = (1 << 5),
RoundedTopRight = (1 << 6),
RoundedBottomLeft = (1 << 7),
RoundedBottomRight = (1 << 8),
RoundedAll = (None
| RoundedTopLeft
| RoundedTopRight
| RoundedBottomLeft
| RoundedBottomRight),
Colored = (1 << 9),
TransparentBackground = (1 << 10),
};
using Options = base::flags<Option>;
inline constexpr auto is_flag_type(Option) { return true; };
QImage prepare(QImage img, int w, int h, Options options, int outerw, int outerh, const style::color *colored = nullptr);
inline QPixmap pixmap(QImage img, int w, int h, Options options, int outerw, int outerh, const style::color *colored = nullptr) {
return QPixmap::fromImage(prepare(img, w, h, options, outerw, outerh, colored), Qt::ColorOnly);
}
} // namespace Images
class FileLoader;
enum LoadFromCloudSetting {
LoadFromCloudOrLocal,
LoadFromLocalOnly,
};
enum LoadToCacheSetting {
LoadToFileOnly,
LoadToCacheAsWell,
};
inline uint32 packInt(int32 a) {
return (a < 0) ? uint32(int64(a) + 0x100000000LL) : uint32(a);
}
inline int32 unpackInt(uint32 a) {
return (a > 0x7FFFFFFFU) ? int32(int64(a) - 0x100000000LL) : int32(a);
}
inline uint64 packUIntUInt(uint32 a, uint32 b) {
return (uint64(a) << 32) | uint64(b);
}
inline uint64 packUIntInt(uint32 a, int32 b) {
return packUIntUInt(a, packInt(b));
}
inline uint64 packIntUInt(int32 a, uint32 b) {
return packUIntUInt(packInt(a), b);
}
inline uint64 packIntInt(int32 a, int32 b) {
return packUIntUInt(packInt(a), packInt(b));
}
inline uint32 unpackUIntFirst(uint64 v) {
return uint32(v >> 32);
}
inline int32 unpackIntFirst(uint64 v) {
return unpackInt(unpackUIntFirst(v));
}
inline uint32 unpackUIntSecond(uint64 v) {
return uint32(v & 0xFFFFFFFFULL);
}
inline int32 unpackIntSecond(uint64 v) {
return unpackInt(unpackUIntSecond(v));
}
class StorageImageLocation {
public:
StorageImageLocation() = default;
StorageImageLocation(
int32 width,
int32 height,
int32 dc,
const uint64 &volume,
int32 local,
const uint64 &secret,
const QByteArray &fileReference);
StorageImageLocation(
int32 width,
int32 height,
const MTPDfileLocation &location);
bool isNull() const {
return !_dclocal;
}
int32 width() const {
return unpackIntFirst(_widthheight);
}
int32 height() const {
return unpackIntSecond(_widthheight);
}
void setSize(int32 width, int32 height) {
_widthheight = packIntInt(width, height);
}
int32 dc() const {
return unpackIntFirst(_dclocal);
}
uint64 volume() const {
return _volume;
}
int32 local() const {
return unpackIntSecond(_dclocal);
}
uint64 secret() const {
return _secret;
}
QByteArray fileReference() const {
return _fileReference;
}
void refreshFileReference(const QByteArray &data) {
if (!data.isEmpty()) {
_fileReference = data;
}
}
static StorageImageLocation FromMTP(
int32 width,
int32 height,
const MTPFileLocation &location) {
if (location.type() == mtpc_fileLocation) {
const auto &data = location.c_fileLocation();
return StorageImageLocation(width, height, data);
}
return StorageImageLocation(width, height, 0, 0, 0, 0, {});
}
static StorageImageLocation FromMTP(const MTPPhotoSize &size) {
switch (size.type()) {
case mtpc_photoSize: {
const auto &data = size.c_photoSize();
return FromMTP(data.vw.v, data.vh.v, data.vlocation);
} break;
case mtpc_photoCachedSize: {
const auto &data = size.c_photoCachedSize();
return FromMTP(data.vw.v, data.vh.v, data.vlocation);
} break;
}
return StorageImageLocation();
}
static StorageImageLocation Null;
private:
uint64 _widthheight = 0;
uint64 _dclocal = 0;
uint64 _volume = 0;
uint64 _secret = 0;
QByteArray _fileReference;
friend inline bool operator==(
const StorageImageLocation &a,
const StorageImageLocation &b) {
return (a._dclocal == b._dclocal) && (a._volume == b._volume);
}
};
inline bool operator!=(const StorageImageLocation &a, const StorageImageLocation &b) {
return !(a == b);
}
class WebFileLocation {
public:
WebFileLocation() = default;
WebFileLocation(int32 dc, const QByteArray &url, uint64 accessHash)
: _accessHash(accessHash)
, _url(url)
, _dc(dc) {
}
bool isNull() const {
return !_dc;
}
int32 dc() const {
return _dc;
}
uint64 accessHash() const {
return _accessHash;
}
const QByteArray &url() const {
return _url;
}
static WebFileLocation Null;
private:
uint64 _accessHash = 0;
QByteArray _url;
int32 _dc = 0;
friend inline bool operator==(
const WebFileLocation &a,
const WebFileLocation &b) {
return (a._dc == b._dc)
&& (a._accessHash == b._accessHash)
&& (a._url == b._url);
}
};
inline bool operator!=(const WebFileLocation &a, const WebFileLocation &b) {
return !(a == b);
}
class DelayedStorageImage;
class HistoryItem;
class Image {
public:
Image(const QString &file, QByteArray format = QByteArray());
Image(const QByteArray &filecontent, QByteArray format = QByteArray());
Image(const QPixmap &pixmap, QByteArray format = QByteArray());
Image(const QByteArray &filecontent, QByteArray format, const QPixmap &pixmap);
virtual void automaticLoad(
Data::FileOrigin origin,
const HistoryItem *item) {
}
virtual void automaticLoadSettingsChanged() {
}
virtual bool loaded() const {
return true;
}
virtual bool loading() const {
return false;
}
virtual bool displayLoading() const {
return false;
}
virtual void cancel() {
}
virtual float64 progress() const {
return 1;
}
virtual int32 loadOffset() const {
return 0;
}
const QPixmap &pix(
Data::FileOrigin origin,
int32 w = 0,
int32 h = 0) const;
const QPixmap &pixRounded(
Data::FileOrigin origin,
int32 w = 0,
int32 h = 0,
ImageRoundRadius radius = ImageRoundRadius::None,
RectParts corners = RectPart::AllCorners) const;
const QPixmap &pixBlurred(
Data::FileOrigin origin,
int32 w = 0,
int32 h = 0) const;
const QPixmap &pixColored(
Data::FileOrigin origin,
style::color add,
int32 w = 0,
int32 h = 0) const;
const QPixmap &pixBlurredColored(
Data::FileOrigin origin,
style::color add,
int32 w = 0,
int32 h = 0) const;
const QPixmap &pixSingle(
Data::FileOrigin origin,
int32 w,
int32 h,
int32 outerw,
int32 outerh,
ImageRoundRadius radius,
RectParts corners = RectPart::AllCorners,
const style::color *colored = nullptr) const;
const QPixmap &pixBlurredSingle(
Data::FileOrigin origin,
int32 w,
int32 h,
int32 outerw,
int32 outerh,
ImageRoundRadius radius,
RectParts corners = RectPart::AllCorners) const;
const QPixmap &pixCircled(
Data::FileOrigin origin,
int32 w = 0,
int32 h = 0) const;
const QPixmap &pixBlurredCircled(
Data::FileOrigin origin,
int32 w = 0,
int32 h = 0) const;
QPixmap pixNoCache(
Data::FileOrigin origin,
int w = 0,
int h = 0,
Images::Options options = 0,
int outerw = -1,
int outerh = -1,
const style::color *colored = nullptr) const;
QPixmap pixColoredNoCache(
Data::FileOrigin origin,
style::color add,
int32 w = 0,
int32 h = 0,
bool smooth = false) const;
QPixmap pixBlurredColoredNoCache(
Data::FileOrigin origin,
style::color add,
int32 w,
int32 h = 0) const;
int32 width() const {
return qMax(countWidth(), 1);
}
int32 height() const {
return qMax(countHeight(), 1);
}
virtual void load(
Data::FileOrigin origin,
bool loadFirst = false,
bool prior = true) {
}
virtual void loadEvenCancelled(
Data::FileOrigin origin,
bool loadFirst = false,
bool prior = true) {
}
virtual const StorageImageLocation &location() const {
return StorageImageLocation::Null;
}
virtual base::optional<Storage::Cache::Key> cacheKey() const;
bool isNull() const;
void forget() const;
QByteArray savedFormat() const {
return _format;
}
QByteArray savedData() const {
return _saved;
}
virtual DelayedStorageImage *toDelayedStorageImage() {
return 0;
}
virtual const DelayedStorageImage *toDelayedStorageImage() const {
return 0;
}
virtual ~Image();
protected:
Image(QByteArray format = "PNG") : _format(format), _forgot(false) {
}
void restore() const;
virtual void checkload() const {
}
void invalidateSizeCache() const;
virtual int32 countWidth() const {
restore();
return _data.width();
}
virtual int32 countHeight() const {
restore();
return _data.height();
}
mutable QByteArray _saved, _format;
mutable bool _forgot;
mutable QPixmap _data;
private:
using Sizes = QMap<uint64, QPixmap>;
mutable Sizes _sizesCache;
};
typedef QPair<uint64, uint64> StorageKey;
inline uint64 storageMix32To64(int32 a, int32 b) {
return (uint64(*reinterpret_cast<uint32*>(&a)) << 32) | uint64(*reinterpret_cast<uint32*>(&b));
}
inline StorageKey storageKey(int32 dc, const uint64 &volume, int32 local) {
return StorageKey(storageMix32To64(dc, local), volume);
}
inline StorageKey storageKey(const MTPDfileLocation &location) {
return storageKey(location.vdc_id.v, location.vvolume_id.v, location.vlocal_id.v);
}
inline StorageKey storageKey(const StorageImageLocation &location) {
return storageKey(location.dc(), location.volume(), location.local());
}
inline StorageKey storageKey(const WebFileLocation &location) {
auto url = location.url();
auto sha = hashSha1(url.data(), url.size());
return storageKey(
location.dc(),
*reinterpret_cast<const uint64*>(sha.data()),
*reinterpret_cast<const int32*>(sha.data() + sizeof(uint64)));
}
class RemoteImage : public Image {
public:
void automaticLoad(
Data::FileOrigin origin,
const HistoryItem *item) override; // auto load photo
void automaticLoadSettingsChanged() override;
bool loaded() const override;
bool loading() const override {
return amLoading();
}
bool displayLoading() const override;
void cancel() override;
float64 progress() const override;
int32 loadOffset() const override;
void setImageBytes(
const QByteArray &bytes,
const QByteArray &format = QByteArray());
void load(
Data::FileOrigin origin,
bool loadFirst = false,
bool prior = true) override;
void loadEvenCancelled(
Data::FileOrigin origin,
bool loadFirst = false,
bool prior = true) override;
~RemoteImage();
protected:
// If after loading the image we need to shrink it to fit into a
// specific size, you can return this size here.
virtual QSize shrinkBox() const {
return QSize();
}
virtual void setInformation(int32 size, int32 width, int32 height) = 0;
virtual FileLoader *createLoader(
Data::FileOrigin origin,
LoadFromCloudSetting fromCloud,
bool autoLoading) = 0;
void checkload() const override {
doCheckload();
}
void loadLocal();
private:
mutable FileLoader *_loader = nullptr;
bool amLoading() const;
void doCheckload() const;
void destroyLoaderDelayed(FileLoader *newValue = nullptr) const;
};
class StorageImage : public RemoteImage {
public:
explicit StorageImage(const StorageImageLocation &location, int32 size = 0);
StorageImage(const StorageImageLocation &location, const QByteArray &bytes);
const StorageImageLocation &location() const override {
return _location;
}
base::optional<Storage::Cache::Key> cacheKey() const override;
void refreshFileReference(const QByteArray &data) {
_location.refreshFileReference(data);
}
protected:
void setInformation(int32 size, int32 width, int32 height) override;
FileLoader *createLoader(
Data::FileOrigin origin,
LoadFromCloudSetting fromCloud,
bool autoLoading) override;
int32 countWidth() const override;
int32 countHeight() const override;
StorageImageLocation _location;
int32 _size;
};
class WebFileImage : public RemoteImage {
public:
WebFileImage(const WebFileLocation &location, QSize box, int size = 0);
WebFileImage(
const WebFileLocation &location,
int width,
int height,
int size = 0);
base::optional<Storage::Cache::Key> cacheKey() const override;
protected:
void setInformation(int size, int width, int height) override;
FileLoader *createLoader(
Data::FileOrigin origin,
LoadFromCloudSetting fromCloud,
bool autoLoading) override;
QSize shrinkBox() const override {
return _box;
}
int countWidth() const override;
int countHeight() const override;
WebFileLocation _location;
QSize _box;
int _width = 0;
int _height = 0;
int _size = 0;
};
class DelayedStorageImage : public StorageImage {
public:
DelayedStorageImage();
DelayedStorageImage(int32 w, int32 h);
//DelayedStorageImage(QByteArray &bytes);
void setStorageLocation(
Data::FileOrigin origin,
const StorageImageLocation location);
virtual DelayedStorageImage *toDelayedStorageImage() override {
return this;
}
virtual const DelayedStorageImage *toDelayedStorageImage() const override {
return this;
}
void automaticLoad(
Data::FileOrigin origin,
const HistoryItem *item) override; // auto load photo
void automaticLoadSettingsChanged() override;
bool loading() const override {
return _location.isNull() ? _loadRequested : StorageImage::loading();
}
bool displayLoading() const override;
void cancel() override;
void load(
Data::FileOrigin origin,
bool loadFirst = false,
bool prior = true) override;
void loadEvenCancelled(
Data::FileOrigin origin,
bool loadFirst = false,
bool prior = true) override;
private:
bool _loadRequested, _loadCancelled, _loadFromCloud;
};
class WebImage : public RemoteImage {
public:
// If !box.isEmpty() then resize the image to fit in this box.
WebImage(const QString &url, QSize box = QSize());
WebImage(const QString &url, int width, int height);
void setSize(int width, int height);
base::optional<Storage::Cache::Key> cacheKey() const override;
protected:
QSize shrinkBox() const override {
return _box;
}
void setInformation(int32 size, int32 width, int32 height) override;
FileLoader *createLoader(
Data::FileOrigin origin,
LoadFromCloudSetting fromCloud,
bool autoLoading) override;
int32 countWidth() const override;
int32 countHeight() const override;
private:
QString _url;
QSize _box;
int32 _size, _width, _height;
};
namespace internal {
Image *getImage(const QString &file, QByteArray format);
Image *getImage(const QString &url, QSize box);
Image *getImage(const QString &url, int width, int height);
Image *getImage(const QByteArray &filecontent, QByteArray format);
Image *getImage(const QPixmap &pixmap, QByteArray format);
Image *getImage(
const QByteArray &filecontent,
QByteArray format,
const QPixmap &pixmap);
Image *getImage(int32 width, int32 height);
StorageImage *getImage(const StorageImageLocation &location, int size = 0);
StorageImage *getImage( // photoCachedSize
const StorageImageLocation &location,
const QByteArray &bytes);
Image *getImage(const MTPWebDocument &location);
Image *getImage(const MTPWebDocument &location, QSize box);
WebFileImage *getImage(
const WebFileLocation &location,
int width,
int height,
int size = 0);
WebFileImage *getImage(
const WebFileLocation &location,
QSize box,
int size = 0);
} // namespace internal
class ImagePtr : public ManagedPtr<Image> {
public:
ImagePtr();
ImagePtr(const QString &file, QByteArray format = QByteArray()) : Parent(internal::getImage(file, format)) {
}
ImagePtr(const QString &url, QSize box) : Parent(internal::getImage(url, box)) {
}
ImagePtr(const QString &url, int width, int height) : Parent(internal::getImage(url, width, height)) {
}
ImagePtr(const QByteArray &filecontent, QByteArray format = QByteArray()) : Parent(internal::getImage(filecontent, format)) {
}
ImagePtr(const QByteArray &filecontent, QByteArray format, const QPixmap &pixmap) : Parent(internal::getImage(filecontent, format, pixmap)) {
}
ImagePtr(const QPixmap &pixmap, QByteArray format) : Parent(internal::getImage(pixmap, format)) {
}
ImagePtr(const StorageImageLocation &location, int32 size = 0) : Parent(internal::getImage(location, size)) {
}
ImagePtr(const StorageImageLocation &location, const QByteArray &bytes) : Parent(internal::getImage(location, bytes)) {
}
ImagePtr(const MTPWebDocument &location) : Parent(internal::getImage(location)) {
}
ImagePtr(const MTPWebDocument &location, QSize box) : Parent(internal::getImage(location, box)) {
}
ImagePtr(const WebFileLocation &location, int width, int height, int size = 0)
: Parent(internal::getImage(location, width, height, size)) {
}
ImagePtr(const WebFileLocation &location, QSize box, int size = 0)
: Parent(internal::getImage(location, box, size)) {
}
ImagePtr(int32 width, int32 height, const MTPFileLocation &location, ImagePtr def = ImagePtr());
ImagePtr(int32 width, int32 height) : Parent(internal::getImage(width, height)) {
}
explicit operator bool() const {
return (_data != nullptr) && !_data->isNull();
}
};
inline QSize shrinkToKeepAspect(int32 width, int32 height, int32 towidth, int32 toheight) {
int32 w = qMax(width, 1), h = qMax(height, 1);
if (w * toheight > h * towidth) {
h = qRound(h * towidth / float64(w));
w = towidth;
} else {
w = qRound(w * toheight / float64(h));
h = toheight;
}
return QSize(qMax(w, 1), qMax(h, 1));
}
void clearStorageImages();
void clearAllImages();
int64 imageCacheSize();
class PsFileBookmark;
class ReadAccessEnabler {
public:
ReadAccessEnabler(const PsFileBookmark *bookmark);
ReadAccessEnabler(const std::shared_ptr<PsFileBookmark> &bookmark);
bool failed() const {
return _failed;
}
~ReadAccessEnabler();
private:
const PsFileBookmark *_bookmark;
bool _failed;
};
class FileLocation {
public:
FileLocation() = default;
explicit FileLocation(const QString &name);
bool check() const;
const QString &name() const;
void setBookmark(const QByteArray &bookmark);
QByteArray bookmark() const;
bool isEmpty() const {
return name().isEmpty();
}
bool accessEnable() const;
void accessDisable() const;
QString fname;
QDateTime modified;
qint32 size;
private:
std::shared_ptr<PsFileBookmark> _bookmark;
};
inline bool operator==(const FileLocation &a, const FileLocation &b) {
return (a.name() == b.name()) && (a.modified == b.modified) && (a.size == b.size);
}
inline bool operator!=(const FileLocation &a, const FileLocation &b) {
return !(a == b);
}