363 lines
11 KiB
C++
363 lines
11 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <QtGui/QPixmap>
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QImage imageBlur(QImage img);
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void imageRound(QImage &img);
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struct StorageImageLocation {
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StorageImageLocation() : width(0), height(0), dc(0), volume(0), local(0), secret(0) {
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}
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StorageImageLocation(int32 width, int32 height, int32 dc, const uint64 &volume, int32 local, const uint64 &secret) : width(width), height(height), dc(dc), volume(volume), local(local), secret(secret) {
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}
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StorageImageLocation(int32 width, int32 height, const MTPDfileLocation &location) : width(width), height(height), dc(location.vdc_id.v), volume(location.vvolume_id.v), local(location.vlocal_id.v), secret(location.vsecret.v) {
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}
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bool isNull() const {
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return !dc;
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}
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int32 width, height;
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int32 dc;
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uint64 volume;
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int32 local;
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uint64 secret;
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};
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inline bool operator==(const StorageImageLocation &a, const StorageImageLocation &b) {
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return !memcmp(&a, &b, sizeof(StorageImageLocation));
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}
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inline bool operator!=(const StorageImageLocation &a, const StorageImageLocation &b) {
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return !(a == b);
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}
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class Image {
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public:
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Image(QByteArray format = "PNG") : format(format), forgot(false) {
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}
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virtual bool loaded() const {
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return true;
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}
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virtual bool loading() const {
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return false;
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}
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const QPixmap &pix(int32 w = 0, int32 h = 0) const;
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const QPixmap &pixRounded(int32 w = 0, int32 h = 0) const;
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const QPixmap &pixBlurred(int32 w = 0, int32 h = 0) const;
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const QPixmap &pixColored(const style::color &add, int32 w = 0, int32 h = 0) const;
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const QPixmap &pixBlurredColored(const style::color &add, int32 w = 0, int32 h = 0) const;
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const QPixmap &pixSingle(int32 w, int32 y, int32 outerw, int32 outerh) const;
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const QPixmap &pixBlurredSingle(int32 w, int32 h, int32 outerw, int32 outerh) const;
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QPixmap pixNoCache(int32 w = 0, int32 h = 0, bool smooth = false, bool blurred = false, bool rounded = false, int32 outerw = -1, int32 outerh = -1) const;
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QPixmap pixColoredNoCache(const style::color &add, int32 w = 0, int32 h = 0, bool smooth = false) const;
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QPixmap pixBlurredColoredNoCache(const style::color &add, int32 w, int32 h = 0) const;
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virtual int32 width() const = 0;
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virtual int32 height() const = 0;
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virtual void load(bool /*loadFirst*/ = false, bool /*prior*/ = true) {
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}
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virtual void checkload() const {
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}
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bool isNull() const;
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void forget() const;
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void restore() const;
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QByteArray savedFormat() const {
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return format;
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}
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QByteArray savedData() const {
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return saved;
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}
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virtual ~Image() {
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invalidateSizeCache();
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}
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protected:
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virtual const QPixmap &pixData() const = 0;
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virtual void doForget() const = 0;
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virtual void doRestore() const = 0;
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void invalidateSizeCache() const;
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mutable QByteArray saved, format;
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mutable bool forgot;
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private:
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typedef QMap<uint64, QPixmap> Sizes;
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mutable Sizes _sizesCache;
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};
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class LocalImage : public Image {
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public:
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LocalImage(const QString &file, QByteArray format = QByteArray());
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LocalImage(const QByteArray &filecontent, QByteArray format = QByteArray());
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LocalImage(const QPixmap &pixmap, QByteArray format = QByteArray());
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int32 width() const;
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int32 height() const;
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~LocalImage();
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protected:
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const QPixmap &pixData() const;
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void doForget() const {
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data = QPixmap();
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}
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void doRestore() const {
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QBuffer buffer(&saved);
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QImageReader reader(&buffer, format);
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data = QPixmap::fromImageReader(&reader, Qt::ColorOnly);
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}
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private:
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mutable QPixmap data;
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};
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LocalImage *getImage(const QString &file, QByteArray format);
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LocalImage *getImage(const QByteArray &filecontent, QByteArray format);
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LocalImage *getImage(const QPixmap &pixmap, QByteArray format);
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typedef QPair<uint64, uint64> StorageKey;
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inline uint64 storageMix32To64(int32 a, int32 b) {
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return (uint64(*reinterpret_cast<uint32*>(&a)) << 32) | uint64(*reinterpret_cast<uint32*>(&b));
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}
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inline StorageKey storageKey(int32 dc, const uint64 &volume, int32 local) {
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return StorageKey(storageMix32To64(dc, local), volume);
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}
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inline StorageKey storageKey(const MTPDfileLocation &location) {
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return storageKey(location.vdc_id.v, location.vvolume_id.v, location.vlocal_id.v);
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}
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inline StorageKey storageKey(const StorageImageLocation &location) {
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return storageKey(location.dc, location.volume, location.local);
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}
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enum StorageFileType {
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StorageFileUnknown = 0xaa963b05, // mtpc_storage_fileUnknown
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StorageFileJpeg = 0x7efe0e, // mtpc_storage_fileJpeg
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StorageFileGif = 0xcae1aadf, // mtpc_storage_fileGif
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StorageFilePng = 0xa4f63c0, // mtpc_storage_filePng
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StorageFilePdf = 0xae1e508d, // mtpc_storage_filePdf
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StorageFileMp3 = 0x528a0677, // mtpc_storage_fileMp3
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StorageFileMov = 0x4b09ebbc, // mtpc_storage_fileMov
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StorageFilePartial = 0x40bc6f52, // mtpc_storage_filePartial
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StorageFileMp4 = 0xb3cea0e4, // mtpc_storage_fileMp4
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StorageFileWebp = 0x1081464c, // mtpc_storage_fileWebp
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};
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inline StorageFileType mtpToStorageType(mtpTypeId type) {
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switch (type) {
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case mtpc_storage_fileJpeg: return StorageFileJpeg;
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case mtpc_storage_fileGif: return StorageFileGif;
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case mtpc_storage_filePng: return StorageFilePng;
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case mtpc_storage_filePdf: return StorageFilePdf;
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case mtpc_storage_fileMp3: return StorageFileMp3;
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case mtpc_storage_fileMov: return StorageFileMov;
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case mtpc_storage_filePartial: return StorageFilePartial;
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case mtpc_storage_fileMp4: return StorageFileMp4;
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case mtpc_storage_fileWebp: return StorageFileWebp;
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case mtpc_storage_fileUnknown:
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default: return StorageFileUnknown;
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}
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}
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inline mtpTypeId mtpFromStorageType(StorageFileType type) {
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switch (type) {
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case StorageFileGif: return mtpc_storage_fileGif;
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case StorageFilePng: return mtpc_storage_filePng;
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case StorageFilePdf: return mtpc_storage_filePdf;
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case StorageFileMp3: return mtpc_storage_fileMp3;
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case StorageFileMov: return mtpc_storage_fileMov;
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case StorageFilePartial: return mtpc_storage_filePartial;
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case StorageFileMp4: return mtpc_storage_fileMp4;
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case StorageFileWebp: return mtpc_storage_fileWebp;
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case StorageFileUnknown:
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default: return mtpc_storage_fileUnknown;
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}
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}
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struct StorageImageSaved {
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StorageImageSaved() : type(StorageFileUnknown) {
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}
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StorageImageSaved(StorageFileType type, const QByteArray &data) : type(type), data(data) {
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}
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StorageFileType type;
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QByteArray data;
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};
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class StorageImage : public Image {
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public:
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StorageImage(const StorageImageLocation &location, int32 size = 0);
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StorageImage(const StorageImageLocation &location, QByteArray &bytes);
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int32 width() const;
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int32 height() const;
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bool loaded() const;
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bool loading() const {
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return loader ? loader->loading() : false;
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}
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void setData(QByteArray &bytes, const QByteArray &format = QByteArray());
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void load(bool loadFirst = false, bool prior = true) {
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if (loader) {
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loader->start(loadFirst, prior);
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if (loader) check();
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}
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}
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void checkload() const {
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if (loader) {
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if (!loader->loading()) {
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loader->start(true);
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}
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if (loader) check();
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}
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}
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~StorageImage();
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protected:
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const QPixmap &pixData() const;
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bool check() const;
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void doForget() const {
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data = QPixmap();
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}
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void doRestore() const {
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QBuffer buffer(&saved);
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QImageReader reader(&buffer, format);
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data = QPixmap::fromImageReader(&reader, Qt::ColorOnly);
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}
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private:
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mutable QPixmap data;
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mutable int32 w, h;
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mutable mtpFileLoader *loader;
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};
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StorageImage *getImage(const StorageImageLocation &location, int32 size = 0);
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StorageImage *getImage(const StorageImageLocation &location, const QByteArray &bytes);
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Image *getImage(int32 width, int32 height, const MTPFileLocation &location);
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class ImagePtr : public ManagedPtr<Image> {
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public:
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ImagePtr();
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ImagePtr(const QString &file, QByteArray format = QByteArray()) : Parent(getImage(file, format)) {
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}
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ImagePtr(const QByteArray &filecontent, QByteArray format = QByteArray()) : Parent(getImage(filecontent, format)) {
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}
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ImagePtr(const QPixmap &pixmap, QByteArray format) : Parent(getImage(pixmap, format)) {
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}
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ImagePtr(const StorageImageLocation &location, int32 size = 0) : Parent(getImage(location, size)) {
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}
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ImagePtr(const StorageImageLocation &location, const QByteArray &bytes) : Parent(getImage(location, bytes)) {
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}
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ImagePtr(int32 width, int32 height, const MTPFileLocation &location, ImagePtr def = ImagePtr());
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};
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void clearStorageImages();
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void clearAllImages();
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int64 imageCacheSize();
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struct FileLocation {
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FileLocation(StorageFileType type, const QString &name, const QDateTime &modified, qint32 size) : type(type), name(name), modified(modified), size(size) {
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}
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FileLocation(StorageFileType type, const QString &name) : type(type), name(name) {
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QFileInfo f(name);
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if (f.exists()) {
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qint64 s = f.size();
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if (s > INT_MAX) {
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this->name = QString();
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size = 0;
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type = StorageFileUnknown;
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} else {
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modified = f.lastModified();
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size = qint32(s);
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}
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} else {
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this->name = QString();
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size = 0;
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type = StorageFileUnknown;
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}
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}
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FileLocation() : size(0) {
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}
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bool check() const {
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if (name.isEmpty()) return false;
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QFileInfo f(name);
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if (!f.exists()) return false;
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quint64 s = f.size();
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if (s > INT_MAX) return false;
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return (f.lastModified() == modified) && (qint32(s) == size);
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}
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StorageFileType type;
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QString name;
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QDateTime modified;
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qint32 size;
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};
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inline bool operator==(const FileLocation &a, const FileLocation &b) {
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return a.type == b.type && a.name == b.name && a.modified == b.modified && a.size == b.size;
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}
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inline bool operator!=(const FileLocation &a, const FileLocation &b) {
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return !(a == b);
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}
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enum LocationType {
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UnknownFileLocation = 0,
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DocumentFileLocation = 0x4e45abe9, // mtpc_inputDocumentFileLocation
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AudioFileLocation = 0x74dc404d, // mtpc_inputAudioFileLocation
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VideoFileLocation = 0x3d0364ec, // mtpc_inputVideoFileLocation
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};
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inline LocationType mtpToLocationType(mtpTypeId type) {
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switch (type) {
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case mtpc_inputDocumentFileLocation: return DocumentFileLocation;
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case mtpc_inputAudioFileLocation: return AudioFileLocation;
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case mtpc_inputVideoFileLocation: return VideoFileLocation;
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default: return UnknownFileLocation;
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}
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}
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inline mtpTypeId mtpFromLocationType(LocationType type) {
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switch (type) {
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case DocumentFileLocation: return mtpc_inputDocumentFileLocation;
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case AudioFileLocation: return mtpc_inputAudioFileLocation;
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case VideoFileLocation: return mtpc_inputVideoFileLocation;
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case UnknownFileLocation:
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default: return 0;
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}
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}
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typedef QPair<uint64, uint64> MediaKey;
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inline uint64 mediaMix32To64(int32 a, int32 b) {
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return (uint64(*reinterpret_cast<uint32*>(&a)) << 32) | uint64(*reinterpret_cast<uint32*>(&b));
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}
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inline MediaKey mediaKey(LocationType type, int32 dc, const uint64 &id) {
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return MediaKey(mediaMix32To64(type, dc), id);
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}
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inline StorageKey mediaKey(const MTPDfileLocation &location) {
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return storageKey(location.vdc_id.v, location.vvolume_id.v, location.vlocal_id.v);
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}
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