408 lines
12 KiB
C++
408 lines
12 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
|
|
*/
|
|
#include "ui/image/image.h"
|
|
|
|
#include "storage/cache/storage_cache_database.h"
|
|
#include "data/data_session.h"
|
|
#include "main/main_session.h"
|
|
#include "ui/ui_utility.h"
|
|
|
|
using namespace Images;
|
|
|
|
namespace Images {
|
|
namespace {
|
|
|
|
[[nodiscard]] uint64 PixKey(int width, int height, Options options) {
|
|
return static_cast<uint64>(width)
|
|
| (static_cast<uint64>(height) << 24)
|
|
| (static_cast<uint64>(options) << 48);
|
|
}
|
|
|
|
[[nodiscard]] uint64 SinglePixKey(Options options) {
|
|
return PixKey(0, 0, options);
|
|
}
|
|
|
|
[[nodiscard]] Options OptionsByArgs(const PrepareArgs &args) {
|
|
return args.options | (args.colored ? Option::Colorize : Option::None);
|
|
}
|
|
|
|
[[nodiscard]] uint64 PixKey(int width, int height, const PrepareArgs &args) {
|
|
return PixKey(width, height, OptionsByArgs(args));
|
|
}
|
|
|
|
[[nodiscard]] uint64 SinglePixKey(const PrepareArgs &args) {
|
|
return SinglePixKey(OptionsByArgs(args));
|
|
}
|
|
|
|
} // namespace
|
|
|
|
QByteArray ExpandInlineBytes(const QByteArray &bytes) {
|
|
if (bytes.size() < 3 || bytes[0] != '\x01') {
|
|
return QByteArray();
|
|
}
|
|
const char header[] = "\xff\xd8\xff\xe0\x00\x10\x4a\x46\x49"
|
|
"\x46\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00\xff\xdb\x00\x43\x00\x28\x1c"
|
|
"\x1e\x23\x1e\x19\x28\x23\x21\x23\x2d\x2b\x28\x30\x3c\x64\x41\x3c\x37\x37"
|
|
"\x3c\x7b\x58\x5d\x49\x64\x91\x80\x99\x96\x8f\x80\x8c\x8a\xa0\xb4\xe6\xc3"
|
|
"\xa0\xaa\xda\xad\x8a\x8c\xc8\xff\xcb\xda\xee\xf5\xff\xff\xff\x9b\xc1\xff"
|
|
"\xff\xff\xfa\xff\xe6\xfd\xff\xf8\xff\xdb\x00\x43\x01\x2b\x2d\x2d\x3c\x35"
|
|
"\x3c\x76\x41\x41\x76\xf8\xa5\x8c\xa5\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8"
|
|
"\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8"
|
|
"\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8\xf8"
|
|
"\xf8\xf8\xf8\xf8\xf8\xff\xc0\x00\x11\x08\x00\x00\x00\x00\x03\x01\x22\x00"
|
|
"\x02\x11\x01\x03\x11\x01\xff\xc4\x00\x1f\x00\x00\x01\x05\x01\x01\x01\x01"
|
|
"\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08"
|
|
"\x09\x0a\x0b\xff\xc4\x00\xb5\x10\x00\x02\x01\x03\x03\x02\x04\x03\x05\x05"
|
|
"\x04\x04\x00\x00\x01\x7d\x01\x02\x03\x00\x04\x11\x05\x12\x21\x31\x41\x06"
|
|
"\x13\x51\x61\x07\x22\x71\x14\x32\x81\x91\xa1\x08\x23\x42\xb1\xc1\x15\x52"
|
|
"\xd1\xf0\x24\x33\x62\x72\x82\x09\x0a\x16\x17\x18\x19\x1a\x25\x26\x27\x28"
|
|
"\x29\x2a\x34\x35\x36\x37\x38\x39\x3a\x43\x44\x45\x46\x47\x48\x49\x4a\x53"
|
|
"\x54\x55\x56\x57\x58\x59\x5a\x63\x64\x65\x66\x67\x68\x69\x6a\x73\x74\x75"
|
|
"\x76\x77\x78\x79\x7a\x83\x84\x85\x86\x87\x88\x89\x8a\x92\x93\x94\x95\x96"
|
|
"\x97\x98\x99\x9a\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xb2\xb3\xb4\xb5\xb6"
|
|
"\xb7\xb8\xb9\xba\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xd2\xd3\xd4\xd5\xd6"
|
|
"\xd7\xd8\xd9\xda\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xf1\xf2\xf3\xf4"
|
|
"\xf5\xf6\xf7\xf8\xf9\xfa\xff\xc4\x00\x1f\x01\x00\x03\x01\x01\x01\x01\x01"
|
|
"\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08"
|
|
"\x09\x0a\x0b\xff\xc4\x00\xb5\x11\x00\x02\x01\x02\x04\x04\x03\x04\x07\x05"
|
|
"\x04\x04\x00\x01\x02\x77\x00\x01\x02\x03\x11\x04\x05\x21\x31\x06\x12\x41"
|
|
"\x51\x07\x61\x71\x13\x22\x32\x81\x08\x14\x42\x91\xa1\xb1\xc1\x09\x23\x33"
|
|
"\x52\xf0\x15\x62\x72\xd1\x0a\x16\x24\x34\xe1\x25\xf1\x17\x18\x19\x1a\x26"
|
|
"\x27\x28\x29\x2a\x35\x36\x37\x38\x39\x3a\x43\x44\x45\x46\x47\x48\x49\x4a"
|
|
"\x53\x54\x55\x56\x57\x58\x59\x5a\x63\x64\x65\x66\x67\x68\x69\x6a\x73\x74"
|
|
"\x75\x76\x77\x78\x79\x7a\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x92\x93\x94"
|
|
"\x95\x96\x97\x98\x99\x9a\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xb2\xb3\xb4"
|
|
"\xb5\xb6\xb7\xb8\xb9\xba\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xd2\xd3\xd4"
|
|
"\xd5\xd6\xd7\xd8\xd9\xda\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xf2\xf3\xf4"
|
|
"\xf5\xf6\xf7\xf8\xf9\xfa\xff\xda\x00\x0c\x03\x01\x00\x02\x11\x03\x11\x00"
|
|
"\x3f\x00";
|
|
const char footer[] = "\xff\xd9";
|
|
auto real = QByteArray(header, sizeof(header) - 1);
|
|
real[164] = bytes[1];
|
|
real[166] = bytes[2];
|
|
return real
|
|
+ bytes.mid(3)
|
|
+ QByteArray::fromRawData(footer, sizeof(footer) - 1);
|
|
}
|
|
|
|
QImage FromInlineBytes(const QByteArray &bytes) {
|
|
return Read({ .content = ExpandInlineBytes(bytes) }).image;
|
|
}
|
|
|
|
// Thanks TDLib for code.
|
|
QByteArray ExpandPathInlineBytes(const QByteArray &bytes) {
|
|
auto result = QByteArray();
|
|
result.reserve(3 * (bytes.size() + 1));
|
|
result.append('M');
|
|
for (unsigned char c : bytes) {
|
|
if (c >= 128 + 64) {
|
|
result.append("AACAAAAHAAALMAAAQASTAVAAAZ"
|
|
"aacaaaahaaalmaaaqastava.az0123456789-,"[c - 128 - 64]);
|
|
} else {
|
|
if (c >= 128) {
|
|
result.append(',');
|
|
} else if (c >= 64) {
|
|
result.append('-');
|
|
}
|
|
//char buffer[3] = { 0 }; // Unavailable on macOS < 10.15.
|
|
//std::to_chars(buffer, buffer + 3, (c & 63));
|
|
//result.append(buffer);
|
|
result.append(QByteArray::number(c & 63));
|
|
}
|
|
}
|
|
result.append('z');
|
|
return result;
|
|
}
|
|
|
|
QPainterPath PathFromInlineBytes(const QByteArray &bytes) {
|
|
if (bytes.isEmpty()) {
|
|
return QPainterPath();
|
|
}
|
|
const auto expanded = ExpandPathInlineBytes(bytes);
|
|
const auto path = expanded.data(); // Allows checking for '\0' by index.
|
|
auto position = 0;
|
|
|
|
const auto isAlpha = [](char c) {
|
|
c |= 0x20;
|
|
return 'a' <= c && c <= 'z';
|
|
};
|
|
const auto isDigit = [](char c) {
|
|
return '0' <= c && c <= '9';
|
|
};
|
|
const auto skipCommas = [&] {
|
|
while (path[position] == ',') {
|
|
++position;
|
|
}
|
|
};
|
|
const auto getNumber = [&] {
|
|
skipCommas();
|
|
auto sign = 1;
|
|
if (path[position] == '-') {
|
|
sign = -1;
|
|
++position;
|
|
}
|
|
double res = 0;
|
|
while (isDigit(path[position])) {
|
|
res = res * 10 + path[position++] - '0';
|
|
}
|
|
if (path[position] == '.') {
|
|
++position;
|
|
double mul = 0.1;
|
|
while (isDigit(path[position])) {
|
|
res += (path[position] - '0') * mul;
|
|
mul *= 0.1;
|
|
++position;
|
|
}
|
|
}
|
|
return sign * res;
|
|
};
|
|
|
|
auto result = QPainterPath();
|
|
auto x = 0.;
|
|
auto y = 0.;
|
|
while (path[position] != '\0') {
|
|
skipCommas();
|
|
if (path[position] == '\0') {
|
|
break;
|
|
}
|
|
|
|
while (path[position] == 'm' || path[position] == 'M') {
|
|
auto command = path[position++];
|
|
do {
|
|
if (command == 'm') {
|
|
x += getNumber();
|
|
y += getNumber();
|
|
} else {
|
|
x = getNumber();
|
|
y = getNumber();
|
|
}
|
|
skipCommas();
|
|
} while (path[position] != '\0' && !isAlpha(path[position]));
|
|
}
|
|
|
|
auto xStart = x;
|
|
auto yStart = y;
|
|
result.moveTo(xStart, yStart);
|
|
auto haveLastEndControlPoint = false;
|
|
auto xLastEndControlPoint = 0.;
|
|
auto yLastEndControlPoint = 0.;
|
|
auto isClosed = false;
|
|
auto command = '-';
|
|
while (!isClosed) {
|
|
skipCommas();
|
|
if (path[position] == '\0') {
|
|
LOG(("SVG Error: Receive unclosed path: %1"
|
|
).arg(QString::fromLatin1(path)));
|
|
return QPainterPath();
|
|
}
|
|
if (isAlpha(path[position])) {
|
|
command = path[position++];
|
|
}
|
|
switch (command) {
|
|
case 'l':
|
|
case 'L':
|
|
case 'h':
|
|
case 'H':
|
|
case 'v':
|
|
case 'V':
|
|
if (command == 'l' || command == 'h') {
|
|
x += getNumber();
|
|
} else if (command == 'L' || command == 'H') {
|
|
x = getNumber();
|
|
}
|
|
if (command == 'l' || command == 'v') {
|
|
y += getNumber();
|
|
} else if (command == 'L' || command == 'V') {
|
|
y = getNumber();
|
|
}
|
|
result.lineTo(x, y);
|
|
haveLastEndControlPoint = false;
|
|
break;
|
|
case 'C':
|
|
case 'c':
|
|
case 'S':
|
|
case 's': {
|
|
auto xStartControlPoint = 0.;
|
|
auto yStartControlPoint = 0.;
|
|
if (command == 'S' || command == 's') {
|
|
if (haveLastEndControlPoint) {
|
|
xStartControlPoint = 2 * x - xLastEndControlPoint;
|
|
yStartControlPoint = 2 * y - yLastEndControlPoint;
|
|
} else {
|
|
xStartControlPoint = x;
|
|
yStartControlPoint = y;
|
|
}
|
|
} else {
|
|
xStartControlPoint = getNumber();
|
|
yStartControlPoint = getNumber();
|
|
if (command == 'c') {
|
|
xStartControlPoint += x;
|
|
yStartControlPoint += y;
|
|
}
|
|
}
|
|
|
|
xLastEndControlPoint = getNumber();
|
|
yLastEndControlPoint = getNumber();
|
|
if (command == 'c' || command == 's') {
|
|
xLastEndControlPoint += x;
|
|
yLastEndControlPoint += y;
|
|
}
|
|
haveLastEndControlPoint = true;
|
|
|
|
if (command == 'c' || command == 's') {
|
|
x += getNumber();
|
|
y += getNumber();
|
|
} else {
|
|
x = getNumber();
|
|
y = getNumber();
|
|
}
|
|
result.cubicTo(
|
|
xStartControlPoint,
|
|
yStartControlPoint,
|
|
xLastEndControlPoint,
|
|
yLastEndControlPoint,
|
|
x,
|
|
y);
|
|
break;
|
|
}
|
|
case 'm':
|
|
case 'M':
|
|
--position;
|
|
[[fallthrough]];
|
|
case 'z':
|
|
case 'Z':
|
|
if (x != xStart || y != yStart) {
|
|
x = xStart;
|
|
y = yStart;
|
|
result.lineTo(x, y);
|
|
}
|
|
isClosed = true;
|
|
break;
|
|
default:
|
|
LOG(("SVG Error: Receive invalid command %1 at pos %2: %3"
|
|
).arg(command
|
|
).arg(position
|
|
).arg(QString::fromLatin1(path)));
|
|
return QPainterPath();
|
|
}
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
} // namespace Images
|
|
|
|
Image::Image(const QString &path)
|
|
: Image(Read({ .path = path }).image) {
|
|
}
|
|
|
|
Image::Image(const QByteArray &content)
|
|
: Image(Read({ .content = content }).image) {
|
|
}
|
|
|
|
Image::Image(QImage &&data)
|
|
: _data(data.isNull() ? Empty()->original() : std::move(data)) {
|
|
Expects(!_data.isNull());
|
|
}
|
|
|
|
not_null<Image*> Image::Empty() {
|
|
static auto result = Image([] {
|
|
const auto factor = cIntRetinaFactor();
|
|
auto data = QImage(
|
|
factor,
|
|
factor,
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
data.fill(Qt::transparent);
|
|
data.setDevicePixelRatio(cRetinaFactor());
|
|
return data;
|
|
}());
|
|
return &result;
|
|
}
|
|
|
|
not_null<Image*> Image::BlankMedia() {
|
|
static auto result = Image([] {
|
|
const auto factor = cIntRetinaFactor();
|
|
auto data = QImage(
|
|
factor,
|
|
factor,
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
data.fill(Qt::black);
|
|
data.setDevicePixelRatio(cRetinaFactor());
|
|
return data;
|
|
}());
|
|
return &result;
|
|
}
|
|
|
|
QImage Image::original() const {
|
|
return _data;
|
|
}
|
|
|
|
const QPixmap &Image::cached(
|
|
int w,
|
|
int h,
|
|
const Images::PrepareArgs &args,
|
|
bool single) const {
|
|
const auto ratio = style::DevicePixelRatio();
|
|
if (w <= 0 || !width() || !height()) {
|
|
w = width();
|
|
} else if (h <= 0) {
|
|
h = std::max(int(int64(height()) * w / width()), 1) * ratio;
|
|
w *= ratio;
|
|
} else {
|
|
w *= ratio;
|
|
h *= ratio;
|
|
}
|
|
const auto outer = args.outer;
|
|
const auto size = outer.isEmpty() ? QSize(w, h) : outer * ratio;
|
|
const auto k = single ? SinglePixKey(args) : PixKey(w, h, args);
|
|
const auto i = _cache.find(k);
|
|
return (i != _cache.cend() && i->second.size() == size)
|
|
? i->second
|
|
: _cache.emplace_or_assign(k, prepare(w, h, args)).first->second;
|
|
}
|
|
|
|
QPixmap Image::prepare(int w, int h, const Images::PrepareArgs &args) const {
|
|
if (_data.isNull()) {
|
|
if (h <= 0 && height() > 0) {
|
|
h = qRound(width() * w / float64(height()));
|
|
}
|
|
return Empty()->prepare(w, h, args);
|
|
}
|
|
|
|
auto outer = args.outer;
|
|
if (!isNull() || outer.isEmpty()) {
|
|
return Ui::PixmapFromImage(Prepare(_data, w, h, args));
|
|
}
|
|
|
|
const auto ratio = style::DevicePixelRatio();
|
|
const auto outerw = outer.width() * ratio;
|
|
const auto outerh = outer.height() * ratio;
|
|
|
|
auto result = QImage(
|
|
QSize(outerw, outerh),
|
|
QImage::Format_ARGB32_Premultiplied);
|
|
result.setDevicePixelRatio(ratio);
|
|
|
|
auto p = QPainter(&result);
|
|
if (w < outerw) {
|
|
p.fillRect(0, 0, (outerw - w) / 2, result.height(), Qt::black);
|
|
p.fillRect(((outerw - w) / 2) + w, 0, result.width() - (((outerw - w) / 2) + w), result.height(), Qt::black);
|
|
}
|
|
if (h < outerh) {
|
|
p.fillRect(qMax(0, (outerw - w) / 2), 0, qMin(result.width(), w), (outerh - h) / 2, Qt::black);
|
|
p.fillRect(qMax(0, (outerw - w) / 2), ((outerh - h) / 2) + h, qMin(result.width(), w), result.height() - (((outerh - h) / 2) + h), Qt::black);
|
|
}
|
|
p.fillRect(qMax(0, (outerw - w) / 2), qMax(0, (outerh - h) / 2), qMin(result.width(), w), qMin(result.height(), h), Qt::white);
|
|
p.end();
|
|
|
|
result = Round(std::move(result), args.options);
|
|
if (args.colored) {
|
|
result = Colored(std::move(result), *args.colored);
|
|
}
|
|
return Ui::PixmapFromImage(std::move(result));
|
|
}
|