tdesktop/Telegram/SourceFiles/ui/images.cpp

1149 lines
32 KiB
C++

/*
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) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "ui/images.h"
#include "mainwidget.h"
#include "localstorage.h"
#include "pspecific.h"
namespace {
using LocalImages = QMap<QString, Image*>;
LocalImages localImages;
using WebImages = QMap<QString, WebImage*>;
WebImages webImages;
Image *generateBlankImage() {
auto data = QImage(cIntRetinaFactor(), cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
data.fill(Qt::transparent);
data.setDevicePixelRatio(cRetinaFactor());
return internal::getImage(App::pixmapFromImageInPlace(std_::move(data)), "GIF");
}
Image *blank() {
static auto blankImage = generateBlankImage();
return blankImage;
}
using StorageImages = QMap<StorageKey, StorageImage*>;
StorageImages storageImages;
int64 globalAcquiredSize = 0;
constexpr uint64 BlurredCacheSkip = 0x1000000000000000LLU;
constexpr uint64 ColoredCacheSkip = 0x2000000000000000LLU;
constexpr uint64 BlurredColoredCacheSkip = 0x3000000000000000LLU;
constexpr uint64 RoundedCacheSkip = 0x4000000000000000LLU;
constexpr uint64 CircledCacheSkip = 0x5000000000000000LLU;
} // namespace
StorageImageLocation StorageImageLocation::Null;
bool Image::isNull() const {
return (this == blank());
}
ImagePtr::ImagePtr() : Parent(blank()) {
}
ImagePtr::ImagePtr(int32 width, int32 height, const MTPFileLocation &location, ImagePtr def) :
Parent((location.type() == mtpc_fileLocation) ? (Image*)(internal::getImage(StorageImageLocation(width, height, location.c_fileLocation()))) : def.v()) {
}
Image::Image(const QString &file, QByteArray fmt) : _forgot(false) {
_data = App::pixmapFromImageInPlace(App::readImage(file, &fmt, false, 0, &_saved));
_format = fmt;
if (!_data.isNull()) {
globalAcquiredSize += int64(_data.width()) * _data.height() * 4;
}
}
Image::Image(const QByteArray &filecontent, QByteArray fmt) : _forgot(false) {
_data = App::pixmapFromImageInPlace(App::readImage(filecontent, &fmt, false));
_format = fmt;
_saved = filecontent;
if (!_data.isNull()) {
globalAcquiredSize += int64(_data.width()) * _data.height() * 4;
}
}
Image::Image(const QPixmap &pixmap, QByteArray format) : _format(format), _forgot(false), _data(pixmap) {
if (!_data.isNull()) {
globalAcquiredSize += int64(_data.width()) * _data.height() * 4;
}
}
Image::Image(const QByteArray &filecontent, QByteArray fmt, const QPixmap &pixmap) : _saved(filecontent), _format(fmt), _forgot(false), _data(pixmap) {
_data = pixmap;
_format = fmt;
_saved = filecontent;
if (!_data.isNull()) {
globalAcquiredSize += int64(_data.width()) * _data.height() * 4;
}
}
const QPixmap &Image::pix(int32 w, int32 h) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = (uint64(w) << 32) | uint64(h);
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend()) {
QPixmap p(pixNoCache(w, h, ImagePixSmooth));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
const QPixmap &Image::pixRounded(ImageRoundRadius radius, int32 w, int32 h) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = RoundedCacheSkip | (uint64(w) << 32) | uint64(h);
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend()) {
auto options = ImagePixSmooth | (radius == ImageRoundRadius::Large ? ImagePixRoundedLarge : ImagePixRoundedSmall);
QPixmap p(pixNoCache(w, h, options));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
const QPixmap &Image::pixCircled(int32 w, int32 h) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = CircledCacheSkip | (uint64(w) << 32) | uint64(h);
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend()) {
QPixmap p(pixNoCache(w, h, ImagePixSmooth | ImagePixCircled));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
const QPixmap &Image::pixBlurred(int32 w, int32 h) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width() * cIntRetinaFactor();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = BlurredCacheSkip | (uint64(w) << 32) | uint64(h);
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend()) {
QPixmap p(pixNoCache(w, h, ImagePixSmooth | ImagePixBlurred));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
const QPixmap &Image::pixColored(const style::color &add, int32 w, int32 h) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width() * cIntRetinaFactor();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = ColoredCacheSkip | (uint64(w) << 32) | uint64(h);
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend()) {
QPixmap p(pixColoredNoCache(add, w, h, true));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
const QPixmap &Image::pixBlurredColored(const style::color &add, int32 w, int32 h) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width() * cIntRetinaFactor();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = BlurredColoredCacheSkip | (uint64(w) << 32) | uint64(h);
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend()) {
QPixmap p(pixBlurredColoredNoCache(add, w, h));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
const QPixmap &Image::pixSingle(ImageRoundRadius radius, int32 w, int32 h, int32 outerw, int32 outerh) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width() * cIntRetinaFactor();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = 0LL;
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend() || i->width() != (outerw * cIntRetinaFactor()) || i->height() != (outerh * cIntRetinaFactor())) {
if (i != _sizesCache.cend()) {
globalAcquiredSize -= int64(i->width()) * i->height() * 4;
}
auto options = ImagePixSmooth | (radius == ImageRoundRadius::Large ? ImagePixRoundedLarge : ImagePixRoundedSmall);
QPixmap p(pixNoCache(w, h, options, outerw, outerh));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
const QPixmap &Image::pixBlurredSingle(ImageRoundRadius radius, int w, int h, int32 outerw, int32 outerh) const {
checkload();
if (w <= 0 || !width() || !height()) {
w = width() * cIntRetinaFactor();
} else if (cRetina()) {
w *= cIntRetinaFactor();
h *= cIntRetinaFactor();
}
uint64 k = BlurredCacheSkip | 0LL;
Sizes::const_iterator i = _sizesCache.constFind(k);
if (i == _sizesCache.cend() || i->width() != (outerw * cIntRetinaFactor()) || i->height() != (outerh * cIntRetinaFactor())) {
if (i != _sizesCache.cend()) {
globalAcquiredSize -= int64(i->width()) * i->height() * 4;
}
auto options = ImagePixSmooth | ImagePixBlurred | (radius == ImageRoundRadius::Large ? ImagePixRoundedLarge : ImagePixRoundedSmall);
QPixmap p(pixNoCache(w, h, options, outerw, outerh));
if (cRetina()) p.setDevicePixelRatio(cRetinaFactor());
i = _sizesCache.insert(k, p);
if (!p.isNull()) {
globalAcquiredSize += int64(p.width()) * p.height() * 4;
}
}
return i.value();
}
namespace {
static inline uint64 _blurGetColors(const uchar *p) {
return (uint64)p[0] + ((uint64)p[1] << 16) + ((uint64)p[2] << 32) + ((uint64)p[3] << 48);
}
}
QImage imageBlur(QImage img) {
QImage::Format fmt = img.format();
if (fmt != QImage::Format_RGB32 && fmt != QImage::Format_ARGB32_Premultiplied) {
img = img.convertToFormat(QImage::Format_ARGB32_Premultiplied);
t_assert(!img.isNull());
}
uchar *pix = img.bits();
if (pix) {
int w = img.width(), h = img.height(), wold = w, hold = h;
const int radius = 3;
const int r1 = radius + 1;
const int div = radius * 2 + 1;
const int stride = w * 4;
if (radius < 16 && div < w && div < h && stride <= w * 4) {
bool withalpha = img.hasAlphaChannel();
if (withalpha) {
QImage imgsmall(w, h, img.format());
{
QPainter p(&imgsmall);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.setRenderHint(QPainter::SmoothPixmapTransform);
p.fillRect(0, 0, w, h, Qt::transparent);
p.drawImage(QRect(radius, radius, w - 2 * radius, h - 2 * radius), img, QRect(0, 0, w, h));
}
QImage was = img;
img = imgsmall;
imgsmall = QImage();
t_assert(!img.isNull());
pix = img.bits();
if (!pix) return was;
}
uint64 *rgb = new uint64[w * h];
int x, y, i;
int yw = 0;
const int we = w - r1;
for (y = 0; y < h; y++) {
uint64 cur = _blurGetColors(&pix[yw]);
uint64 rgballsum = -radius * cur;
uint64 rgbsum = cur * ((r1 * (r1 + 1)) >> 1);
for (i = 1; i <= radius; i++) {
uint64 cur = _blurGetColors(&pix[yw + i * 4]);
rgbsum += cur * (r1 - i);
rgballsum += cur;
}
x = 0;
#define update(start, middle, end) \
rgb[y * w + x] = (rgbsum >> 4) & 0x00FF00FF00FF00FFLL; \
rgballsum += _blurGetColors(&pix[yw + (start) * 4]) - 2 * _blurGetColors(&pix[yw + (middle) * 4]) + _blurGetColors(&pix[yw + (end) * 4]); \
rgbsum += rgballsum; \
x++;
while (x < r1) {
update(0, x, x + r1);
}
while (x < we) {
update(x - r1, x, x + r1);
}
while (x < w) {
update(x - r1, x, w - 1);
}
#undef update
yw += stride;
}
const int he = h - r1;
for (x = 0; x < w; x++) {
uint64 rgballsum = -radius * rgb[x];
uint64 rgbsum = rgb[x] * ((r1 * (r1 + 1)) >> 1);
for (i = 1; i <= radius; i++) {
rgbsum += rgb[i * w + x] * (r1 - i);
rgballsum += rgb[i * w + x];
}
y = 0;
int yi = x * 4;
#define update(start, middle, end) \
uint64 res = rgbsum >> 4; \
pix[yi] = res & 0xFF; \
pix[yi + 1] = (res >> 16) & 0xFF; \
pix[yi + 2] = (res >> 32) & 0xFF; \
pix[yi + 3] = (res >> 48) & 0xFF; \
rgballsum += rgb[x + (start) * w] - 2 * rgb[x + (middle) * w] + rgb[x + (end) * w]; \
rgbsum += rgballsum; \
y++; \
yi += stride;
while (y < r1) {
update(0, y, y + r1);
}
while (y < he) {
update(y - r1, y, y + r1);
}
while (y < h) {
update(y - r1, y, h - 1);
}
#undef update
}
delete[] rgb;
}
}
return img;
}
const QPixmap &circleMask(int width, int height) {
t_assert(Global::started());
uint64 key = uint64(uint32(width)) << 32 | uint64(uint32(height));
Global::CircleMasksMap &masks(Global::RefCircleMasks());
auto i = masks.constFind(key);
if (i == masks.cend()) {
QImage mask(width, height, QImage::Format_ARGB32_Premultiplied);
{
Painter p(&mask);
p.setRenderHint(QPainter::HighQualityAntialiasing);
p.setCompositionMode(QPainter::CompositionMode_Source);
p.fillRect(0, 0, width, height, Qt::transparent);
p.setBrush(Qt::white);
p.setPen(Qt::NoPen);
p.drawEllipse(0, 0, width, height);
}
mask.setDevicePixelRatio(cRetinaFactor());
i = masks.insert(key, App::pixmapFromImageInPlace(std_::move(mask)));
}
return i.value();
}
void imageCircle(QImage &img) {
t_assert(!img.isNull());
img.setDevicePixelRatio(cRetinaFactor());
img = img.convertToFormat(QImage::Format_ARGB32_Premultiplied);
t_assert(!img.isNull());
QPixmap mask = circleMask(img.width(), img.height());
Painter p(&img);
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.drawPixmap(0, 0, mask);
}
void imageRound(QImage &img, ImageRoundRadius radius) {
t_assert(!img.isNull());
img.setDevicePixelRatio(cRetinaFactor());
img = img.convertToFormat(QImage::Format_ARGB32_Premultiplied);
t_assert(!img.isNull());
QImage **masks = App::cornersMask(radius);
int32 w = masks[0]->width(), h = masks[0]->height();
int32 tw = img.width(), th = img.height();
if (tw < 2 * w || th < 2 * h) {
if (radius == ImageRoundRadius::Large) {
return imageRound(img, ImageRoundRadius::Small);
}
return;
}
uchar *bits = img.bits();
const uchar *c0 = masks[0]->constBits(), *c1 = masks[1]->constBits(), *c2 = masks[2]->constBits(), *c3 = masks[3]->constBits();
int32 s0 = 0, s1 = (tw - w) * 4, s2 = (th - h) * tw * 4, s3 = ((th - h + 1) * tw - w) * 4;
for (int32 i = 0; i < w; ++i) {
for (int32 j = 0; j < h; ++j) {
#define update(s, c) \
{ \
uint64 color = _blurGetColors(bits + s + (j * tw + i) * 4); \
color *= (c[(j * w + i) * 4 + 3] + 1); \
color = (color >> 8); \
bits[s + (j * tw + i) * 4] = color & 0xFF; \
bits[s + (j * tw + i) * 4 + 1] = (color >> 16) & 0xFF; \
bits[s + (j * tw + i) * 4 + 2] = (color >> 32) & 0xFF; \
bits[s + (j * tw + i) * 4 + 3] = (color >> 48) & 0xFF; \
}
update(s0, c0);
update(s1, c1);
update(s2, c2);
update(s3, c3);
#undef update
}
}
}
QImage imageColored(const style::color &add, QImage img) {
QImage::Format fmt = img.format();
if (fmt != QImage::Format_RGB32 && fmt != QImage::Format_ARGB32_Premultiplied) {
img = img.convertToFormat(QImage::Format_ARGB32_Premultiplied);
}
uchar *pix = img.bits();
if (pix) {
int ca = int(add->c.alphaF() * 0xFF), cr = int(add->c.redF() * 0xFF), cg = int(add->c.greenF() * 0xFF), cb = int(add->c.blueF() * 0xFF);
const int w = img.width(), h = img.height(), size = w * h * 4;
for (int32 i = 0; i < size; i += 4) {
int b = pix[i], g = pix[i + 1], r = pix[i + 2], a = pix[i + 3], aca = a * ca;
pix[i + 0] = uchar(b + ((aca * (cb - b)) >> 16));
pix[i + 1] = uchar(g + ((aca * (cg - g)) >> 16));
pix[i + 2] = uchar(r + ((aca * (cr - r)) >> 16));
pix[i + 3] = uchar(a + ((aca * (0xFF - a)) >> 16));
}
}
return img;
}
QPixmap imagePix(QImage img, int32 w, int32 h, ImagePixOptions options, int32 outerw, int32 outerh) {
t_assert(!img.isNull());
if (options.testFlag(ImagePixBlurred)) {
img = imageBlur(img);
t_assert(!img.isNull());
}
if (w <= 0 || (w == img.width() && (h <= 0 || h == img.height()))) {
} else if (h <= 0) {
img = img.scaledToWidth(w, options.testFlag(ImagePixSmooth) ? Qt::SmoothTransformation : Qt::FastTransformation);
t_assert(!img.isNull());
} else {
img = img.scaled(w, h, Qt::IgnoreAspectRatio, options.testFlag(ImagePixSmooth) ? Qt::SmoothTransformation : Qt::FastTransformation);
t_assert(!img.isNull());
}
if (outerw > 0 && outerh > 0) {
outerw *= cIntRetinaFactor();
outerh *= cIntRetinaFactor();
if (outerw != w || outerh != h) {
img.setDevicePixelRatio(cRetinaFactor());
QImage result(outerw, outerh, QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(cRetinaFactor());
{
QPainter p(&result);
if (w < outerw || h < outerh) {
p.fillRect(0, 0, result.width(), result.height(), st::imageBg);
}
p.drawImage((result.width() - img.width()) / (2 * cIntRetinaFactor()), (result.height() - img.height()) / (2 * cIntRetinaFactor()), img);
}
img = result;
t_assert(!img.isNull());
}
}
if (options.testFlag(ImagePixCircled)) {
imageCircle(img);
t_assert(!img.isNull());
} else if (options.testFlag(ImagePixRoundedLarge)) {
imageRound(img, ImageRoundRadius::Large);
t_assert(!img.isNull());
} else if (options.testFlag(ImagePixRoundedSmall)) {
imageRound(img, ImageRoundRadius::Small);
}
img.setDevicePixelRatio(cRetinaFactor());
return App::pixmapFromImageInPlace(std_::move(img));
}
QPixmap Image::pixNoCache(int w, int h, ImagePixOptions options, int outerw, int outerh) const {
if (!loading()) const_cast<Image*>(this)->load();
restore();
if (_data.isNull()) {
if (h <= 0 && height() > 0) {
h = qRound(width() * w / float64(height()));
}
return blank()->pixNoCache(w, h, options, outerw, outerh);
}
if (isNull() && outerw > 0 && outerh > 0) {
outerw *= cIntRetinaFactor();
outerh *= cIntRetinaFactor();
QImage result(outerw, outerh, QImage::Format_ARGB32_Premultiplied);
result.setDevicePixelRatio(cRetinaFactor());
{
QPainter p(&result);
if (w < outerw) {
p.fillRect(0, 0, (outerw - w) / 2, result.height(), st::imageBg);
p.fillRect(((outerw - w) / 2) + w, 0, result.width() - (((outerw - w) / 2) + w), result.height(), st::imageBg);
}
if (h < outerh) {
p.fillRect(qMax(0, (outerw - w) / 2), 0, qMin(result.width(), w), (outerh - h) / 2, st::imageBg);
p.fillRect(qMax(0, (outerw - w) / 2), ((outerh - h) / 2) + h, qMin(result.width(), w), result.height() - (((outerh - h) / 2) + h), st::imageBg);
}
p.fillRect(qMax(0, (outerw - w) / 2), qMax(0, (outerh - h) / 2), qMin(result.width(), w), qMin(result.height(), h), st::imageBgTransparent);
}
if (options.testFlag(ImagePixCircled)) {
imageCircle(result);
} else if (options.testFlag(ImagePixRoundedLarge)) {
imageRound(result, ImageRoundRadius::Large);
} else if (options.testFlag(ImagePixRoundedSmall)) {
imageRound(result, ImageRoundRadius::Small);
}
return App::pixmapFromImageInPlace(std_::move(result));
}
return imagePix(_data.toImage(), w, h, options, outerw, outerh);
}
QPixmap Image::pixColoredNoCache(const style::color &add, int32 w, int32 h, bool smooth) const {
const_cast<Image*>(this)->load();
restore();
if (_data.isNull()) return blank()->pix();
QImage img = _data.toImage();
if (w <= 0 || !width() || !height() || (w == width() && (h <= 0 || h == height()))) return App::pixmapFromImageInPlace(imageColored(add, img));
if (h <= 0) {
return App::pixmapFromImageInPlace(imageColored(add, img.scaledToWidth(w, smooth ? Qt::SmoothTransformation : Qt::FastTransformation)));
}
return App::pixmapFromImageInPlace(imageColored(add, img.scaled(w, h, Qt::IgnoreAspectRatio, smooth ? Qt::SmoothTransformation : Qt::FastTransformation)));
}
QPixmap Image::pixBlurredColoredNoCache(const style::color &add, int32 w, int32 h) const {
const_cast<Image*>(this)->load();
restore();
if (_data.isNull()) return blank()->pix();
QImage img = imageBlur(_data.toImage());
if (h <= 0) {
img = img.scaledToWidth(w, Qt::SmoothTransformation);
} else {
img = img.scaled(w, h, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
return App::pixmapFromImageInPlace(imageColored(add, img));
}
void Image::forget() const {
if (_forgot) return;
if (_data.isNull()) return;
invalidateSizeCache();
if (_saved.isEmpty()) {
QBuffer buffer(&_saved);
if (!_data.save(&buffer, _format)) {
if (_data.save(&buffer, "PNG")) {
_format = "PNG";
} else {
return;
}
}
}
globalAcquiredSize -= int64(_data.width()) * _data.height() * 4;
_data = QPixmap();
_forgot = true;
}
void Image::restore() const {
if (!_forgot) return;
QBuffer buffer(&_saved);
QImageReader reader(&buffer, _format);
#ifndef OS_MAC_OLD
reader.setAutoTransform(true);
#endif // OS_MAC_OLD
_data = QPixmap::fromImageReader(&reader, Qt::ColorOnly);
if (!_data.isNull()) {
globalAcquiredSize += int64(_data.width()) * _data.height() * 4;
}
_forgot = false;
}
void Image::invalidateSizeCache() const {
for (Sizes::const_iterator i = _sizesCache.cbegin(), e = _sizesCache.cend(); i != e; ++i) {
if (!i->isNull()) {
globalAcquiredSize -= int64(i->width()) * i->height() * 4;
}
}
_sizesCache.clear();
}
Image::~Image() {
invalidateSizeCache();
if (!_data.isNull()) {
globalAcquiredSize -= int64(_data.width()) * _data.height() * 4;
}
}
void clearStorageImages() {
for (StorageImages::const_iterator i = storageImages.cbegin(), e = storageImages.cend(); i != e; ++i) {
delete i.value();
}
storageImages.clear();
for (WebImages::const_iterator i = webImages.cbegin(), e = webImages.cend(); i != e; ++i) {
delete i.value();
}
webImages.clear();
}
void clearAllImages() {
for (LocalImages::const_iterator i = localImages.cbegin(), e = localImages.cend(); i != e; ++i) {
delete i.value();
}
localImages.clear();
clearStorageImages();
}
int64 imageCacheSize() {
return globalAcquiredSize;
}
void RemoteImage::doCheckload() const {
if (!amLoading() || !_loader->done()) return;
QPixmap data = _loader->imagePixmap(shrinkBox());
if (data.isNull()) {
_loader->deleteLater();
_loader->stop();
_loader = CancelledFileLoader;
return;
}
if (!_data.isNull()) {
globalAcquiredSize -= int64(_data.width()) * _data.height() * 4;
}
_format = _loader->imageFormat(shrinkBox());
_data = data;
_saved = _loader->bytes();
const_cast<RemoteImage*>(this)->setInformation(_saved.size(), _data.width(), _data.height());
globalAcquiredSize += int64(_data.width()) * _data.height() * 4;
invalidateSizeCache();
_loader->deleteLater();
_loader->stop();
_loader = nullptr;
_forgot = false;
}
void RemoteImage::loadLocal() {
if (loaded() || amLoading()) return;
_loader = createLoader(LoadFromLocalOnly, true);
if (_loader) _loader->start();
}
void RemoteImage::setData(QByteArray &bytes, const QByteArray &bytesFormat) {
QBuffer buffer(&bytes);
if (!_data.isNull()) {
globalAcquiredSize -= int64(_data.width()) * _data.height() * 4;
}
QByteArray fmt(bytesFormat);
_data = App::pixmapFromImageInPlace(App::readImage(bytes, &fmt, false));
if (!_data.isNull()) {
globalAcquiredSize += int64(_data.width()) * _data.height() * 4;
setInformation(bytes.size(), _data.width(), _data.height());
}
invalidateSizeCache();
if (amLoading()) {
_loader->deleteLater();
_loader->stop();
_loader = nullptr;
}
_saved = bytes;
_format = fmt;
_forgot = false;
}
void RemoteImage::automaticLoad(const HistoryItem *item) {
if (loaded()) return;
if (_loader != CancelledFileLoader && item) {
bool loadFromCloud = false;
if (item->history()->peer->isUser()) {
loadFromCloud = !(cAutoDownloadPhoto() & dbiadNoPrivate);
} else {
loadFromCloud = !(cAutoDownloadPhoto() & dbiadNoGroups);
}
if (_loader) {
if (loadFromCloud) _loader->permitLoadFromCloud();
} else {
_loader = createLoader(loadFromCloud ? LoadFromCloudOrLocal : LoadFromLocalOnly, true);
if (_loader) _loader->start();
}
}
}
void RemoteImage::automaticLoadSettingsChanged() {
if (loaded() || _loader != CancelledFileLoader) return;
_loader = 0;
}
void RemoteImage::load(bool loadFirst, bool prior) {
if (loaded()) return;
if (!_loader) {
_loader = createLoader(LoadFromCloudOrLocal, false);
}
if (amLoading()) {
_loader->start(loadFirst, prior);
}
}
void RemoteImage::loadEvenCancelled(bool loadFirst, bool prior) {
if (_loader == CancelledFileLoader) _loader = 0;
return load(loadFirst, prior);
}
RemoteImage::~RemoteImage() {
if (!_data.isNull()) {
globalAcquiredSize -= int64(_data.width()) * _data.height() * 4;
}
if (amLoading()) {
_loader->deleteLater();
_loader->stop();
_loader = 0;
}
}
bool RemoteImage::loaded() const {
doCheckload();
return (!_data.isNull() || !_saved.isNull());
}
bool RemoteImage::displayLoading() const {
return amLoading() && (!_loader->loadingLocal() || !_loader->autoLoading());
}
void RemoteImage::cancel() {
if (!amLoading()) return;
FileLoader *l = _loader;
_loader = CancelledFileLoader;
if (l) {
l->cancel();
l->deleteLater();
l->stop();
}
}
float64 RemoteImage::progress() const {
return amLoading() ? _loader->currentProgress() : (loaded() ? 1 : 0);
}
int32 RemoteImage::loadOffset() const {
return amLoading() ? _loader->currentOffset() : 0;
}
StorageImage::StorageImage(const StorageImageLocation &location, int32 size)
: _location(location)
, _size(size) {
}
StorageImage::StorageImage(const StorageImageLocation &location, QByteArray &bytes)
: _location(location)
, _size(bytes.size()) {
setData(bytes);
if (!_location.isNull()) {
Local::writeImage(storageKey(_location), StorageImageSaved(mtpToStorageType(mtpc_storage_filePartial), bytes));
}
}
int32 StorageImage::countWidth() const {
return _location.width();
}
int32 StorageImage::countHeight() const {
return _location.height();
}
void StorageImage::setInformation(int32 size, int32 width, int32 height) {
_size = size;
_location.setSize(width, height);
}
FileLoader *StorageImage::createLoader(LoadFromCloudSetting fromCloud, bool autoLoading) {
if (_location.isNull()) return 0;
return new mtpFileLoader(&_location, _size, fromCloud, autoLoading);
}
DelayedStorageImage::DelayedStorageImage() : StorageImage(StorageImageLocation())
, _loadRequested(false)
, _loadCancelled(false)
, _loadFromCloud(false) {
}
DelayedStorageImage::DelayedStorageImage(int32 w, int32 h) : StorageImage(StorageImageLocation(w, h, 0, 0, 0, 0))
, _loadRequested(false)
, _loadCancelled(false)
, _loadFromCloud(false) {
}
DelayedStorageImage::DelayedStorageImage(QByteArray &bytes) : StorageImage(StorageImageLocation(), bytes)
, _loadRequested(false)
, _loadCancelled(false)
, _loadFromCloud(false) {
}
void DelayedStorageImage::setStorageLocation(const StorageImageLocation location) {
_location = location;
if (_loadRequested) {
if (!_loadCancelled) {
if (_loadFromCloud) {
load();
} else {
loadLocal();
}
}
_loadRequested = false;
}
}
void DelayedStorageImage::automaticLoad(const HistoryItem *item) {
if (_location.isNull()) {
if (!_loadCancelled && item) {
bool loadFromCloud = false;
if (item->history()->peer->isUser()) {
loadFromCloud = !(cAutoDownloadPhoto() & dbiadNoPrivate);
} else {
loadFromCloud = !(cAutoDownloadPhoto() & dbiadNoGroups);
}
if (_loadRequested) {
if (loadFromCloud) _loadFromCloud = loadFromCloud;
} else {
_loadFromCloud = loadFromCloud;
_loadRequested = true;
}
}
} else {
StorageImage::automaticLoad(item);
}
}
void DelayedStorageImage::automaticLoadSettingsChanged() {
if (_loadCancelled) _loadCancelled = false;
StorageImage::automaticLoadSettingsChanged();
}
void DelayedStorageImage::load(bool loadFirst, bool prior) {
if (_location.isNull()) {
_loadRequested = _loadFromCloud = true;
} else {
StorageImage::load(loadFirst, prior);
}
}
void DelayedStorageImage::loadEvenCancelled(bool loadFirst, bool prior) {
_loadCancelled = false;
StorageImage::loadEvenCancelled(loadFirst, prior);
}
bool DelayedStorageImage::displayLoading() const {
return _location.isNull() ? true : StorageImage::displayLoading();
}
void DelayedStorageImage::cancel() {
if (_loadRequested) {
_loadRequested = false;
}
StorageImage::cancel();
}
WebImage::WebImage(const QString &url, QSize box) : _url(url), _box(box), _size(0), _width(0), _height(0) {
}
WebImage::WebImage(const QString &url, int width, int height) : _url(url), _size(0), _width(width), _height(height) {
}
void WebImage::setSize(int width, int height) {
_width = width;
_height = height;
}
int32 WebImage::countWidth() const {
return _width;
}
int32 WebImage::countHeight() const {
return _height;
}
void WebImage::setInformation(int32 size, int32 width, int32 height) {
_size = size;
setSize(width, height);
}
FileLoader *WebImage::createLoader(LoadFromCloudSetting fromCloud, bool autoLoading) {
return new webFileLoader(_url, QString(), fromCloud, autoLoading);
}
namespace internal {
Image *getImage(const QString &file, QByteArray format) {
if (file.startsWith(qstr("http://"), Qt::CaseInsensitive) || file.startsWith(qstr("https://"), Qt::CaseInsensitive)) {
QString key = file;
WebImages::const_iterator i = webImages.constFind(key);
if (i == webImages.cend()) {
i = webImages.insert(key, new WebImage(file));
}
return i.value();
} else {
QFileInfo f(file);
QString key = qsl("//:%1//:%2//:").arg(f.size()).arg(f.lastModified().toTime_t()) + file;
LocalImages::const_iterator i = localImages.constFind(key);
if (i == localImages.cend()) {
i = localImages.insert(key, new Image(file, format));
}
return i.value();
}
}
Image *getImage(const QString &url, QSize box) {
QString key = qsl("//:%1//:%2//:").arg(box.width()).arg(box.height()) + url;
auto i = webImages.constFind(key);
if (i == webImages.cend()) {
i = webImages.insert(key, new WebImage(url, box));
}
return i.value();
}
Image *getImage(const QString &url, int width, int height) {
QString key = url;
auto i = webImages.constFind(key);
if (i == webImages.cend()) {
i = webImages.insert(key, new WebImage(url, width, height));
} else {
i.value()->setSize(width, height);
}
return i.value();
}
Image *getImage(const QByteArray &filecontent, QByteArray format) {
return new Image(filecontent, format);
}
Image *getImage(const QPixmap &pixmap, QByteArray format) {
return new Image(pixmap, format);
}
Image *getImage(const QByteArray &filecontent, QByteArray format, const QPixmap &pixmap) {
return new Image(filecontent, format, pixmap);
}
Image *getImage(int32 width, int32 height) {
return new DelayedStorageImage(width, height);
}
StorageImage *getImage(const StorageImageLocation &location, int32 size) {
StorageKey key(storageKey(location));
StorageImages::const_iterator i = storageImages.constFind(key);
if (i == storageImages.cend()) {
i = storageImages.insert(key, new StorageImage(location, size));
}
return i.value();
}
StorageImage *getImage(const StorageImageLocation &location, const QByteArray &bytes) {
StorageKey key(storageKey(location));
StorageImages::const_iterator i = storageImages.constFind(key);
if (i == storageImages.cend()) {
QByteArray bytesArr(bytes);
i = storageImages.insert(key, new StorageImage(location, bytesArr));
} else if (!i.value()->loaded()) {
QByteArray bytesArr(bytes);
i.value()->setData(bytesArr);
if (!location.isNull()) {
Local::writeImage(key, StorageImageSaved(mtpToStorageType(mtpc_storage_filePartial), bytes));
}
}
return i.value();
}
} // namespace internal
ReadAccessEnabler::ReadAccessEnabler(const PsFileBookmark *bookmark) : _bookmark(bookmark), _failed(_bookmark ? !_bookmark->enable() : false) {
}
ReadAccessEnabler::ReadAccessEnabler(const QSharedPointer<PsFileBookmark> &bookmark) : _bookmark(bookmark.data()), _failed(_bookmark ? !_bookmark->enable() : false) {
}
ReadAccessEnabler::~ReadAccessEnabler() {
if (_bookmark && !_failed) _bookmark->disable();
}
FileLocation::FileLocation(StorageFileType type, const QString &name) : type(type), fname(name) {
if (fname.isEmpty()) {
size = 0;
type = StorageFileUnknown;
} else {
setBookmark(psPathBookmark(name));
QFileInfo f(name);
if (f.exists()) {
qint64 s = f.size();
if (s > INT_MAX) {
fname = QString();
_bookmark.clear();
size = 0;
type = StorageFileUnknown;
} else {
modified = f.lastModified();
size = qint32(s);
}
} else {
fname = QString();
_bookmark.clear();
size = 0;
type = StorageFileUnknown;
}
}
}
bool FileLocation::check() const {
if (fname.isEmpty()) return false;
ReadAccessEnabler enabler(_bookmark);
if (enabler.failed()) {
const_cast<FileLocation*>(this)->_bookmark.clear();
}
QFileInfo f(name());
if (!f.isReadable()) return false;
quint64 s = f.size();
if (s > INT_MAX) return false;
return (f.lastModified() == modified) && (qint32(s) == size);
}
const QString &FileLocation::name() const {
return _bookmark ? _bookmark->name(fname) : fname;
}
QByteArray FileLocation::bookmark() const {
return _bookmark ? _bookmark->bookmark() : QByteArray();
}
void FileLocation::setBookmark(const QByteArray &bm) {
_bookmark.reset(bm.isEmpty() ? nullptr : new PsFileBookmark(bm));
}
bool FileLocation::accessEnable() const {
return isEmpty() ? false : (_bookmark ? _bookmark->enable() : true);
}
void FileLocation::accessDisable() const {
return _bookmark ? _bookmark->disable() : (void)0;
}