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Code Issues Releases Wiki Activity

new photoviewer adapted for documents

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This commit is contained in:
John Preston
2015-04-19 13:29:19 +03:00
parent 9b3767e77c
commit 370c47d95b
25 changed files with 564 additions and 270 deletions
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127
Telegram/SourceFiles/history.cpp
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@@ -81,7 +81,7 @@ namespace {
};
inline void _initTextOptions() {
_historySrvOptions.dir = _textNameOptions.dir = _textDlgOptions.dir = langDir();
_historySrvOptions.dir = _textNameOptions.dir = _textDlgOptions.dir = cLangDir();
_textDlgOptions.maxw = st::dlgMaxWidth * 2;
_webpageTitleOptions.maxw = st::msgMaxWidth - st::msgPadding.left() - st::msgPadding.right() - st::webPageLeft;
_webpageTitleOptions.maxh = st::webPageTitleFont->height * 2;
@@ -89,127 +89,6 @@ namespace {
_webpageDescriptionOptions.maxh = st::webPageDescriptionFont->height * 3;
}
class AnimatedGif : public Animated {
public:
AnimatedGif() : msg(0), reader(0), w(0), h(0), frame(0), framesCount(0), duration(0) {
}
bool animStep(float64 ms) {
int32 f = frame;
while (f < frames.size() && ms > delays[f]) {
++f;
if (f == frames.size() && frames.size() < framesCount) {
if (reader->read(&img)) {
int64 d = reader->nextImageDelay(), delay = delays[f - 1];
if (!d) d = 1;
delay += d;
frames.push_back(QPixmap::fromImage(img.size() == QSize(w, h) ? img : img.scaled(w, h, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), Qt::ColorOnly));
delays.push_back(delay);
for (int32 i = 0; i < frames.size(); ++i) {
if (!frames[i].isNull()) {
frames[i] = QPixmap();
break;
}
}
} else {
framesCount = frames.size();
}
}
if (f == frames.size()) {
if (!duration) {
duration = delays.isEmpty() ? 1 : delays.back();
}
f = 0;
for (int32 i = 0, s = delays.size() - 1; i <= s; ++i) {
delays[i] += duration;
}
if (frames[f].isNull()) {
QString fname = reader->fileName();
delete reader;
reader = new QImageReader(fname);
}
}
if (frames[f].isNull() && reader->read(&img)) {
frames[f] = QPixmap::fromImage(img.size() == QSize(w, h) ? img : img.scaled(w, h, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), Qt::ColorOnly);
}
}
if (frame != f) {
frame = f;
if (App::main()) App::main()->msgUpdated(msg->history()->peer->id, msg);
}
return true;
}
void start(HistoryItem *row, const QString &file) {
if (reader) {
stop();
}
reader = new QImageReader(file);
if (!reader->canRead() || !reader->supportsAnimation()) {
stop();
return;
}
QSize s = reader->size();
w = s.width();
h = s.height();
framesCount = reader->imageCount();
if (!w || !h || !framesCount) {
stop();
return;
}
frames.reserve(framesCount);
delays.reserve(framesCount);
int32 sizeLeft = MediaViewImageSizeLimit, delay = 0;
for (bool read = reader->read(&img); read; read = reader->read(&img)) {
sizeLeft -= w * h * 4;
frames.push_back(QPixmap::fromImage(img.size() == s ? img : img.scaled(w, h, Qt::IgnoreAspectRatio, Qt::SmoothTransformation), Qt::ColorOnly));
int32 d = reader->nextImageDelay();
if (!d) d = 1;
delay += d;
delays.push_back(delay);
if (sizeLeft < 0) break;
}
msg = row;
anim::start(this);
msg->initDimensions();
App::main()->itemResized(msg, true);
}
void stop(bool onItemRemoved = false) {
delete reader;
reader = 0;
HistoryItem *row = msg;
msg = 0;
frames.clear();
delays.clear();
w = h = frame = framesCount = duration = 0;
anim::stop(this);
if (row && !onItemRemoved) {
row->initDimensions();
if (App::main()) App::main()->itemResized(row, true);
}
}
~AnimatedGif() {
stop(true);
}
HistoryItem *msg;
QImage img;
QImageReader *reader;
QVector<QPixmap> frames;
QVector<int64> delays;
int32 w, h, frame, framesCount, duration;
};
AnimatedGif animated;
inline HistoryReply *toHistoryReply(HistoryItem *item) {
@@ -2508,6 +2387,7 @@ void HistoryDocument::initDimensions(const HistoryItem *parent) {
}
}
}
_height = _minh;
}
void HistoryDocument::draw(QPainter &p, const HistoryItem *parent, bool selected, int32 width) const {
@@ -3191,6 +3071,7 @@ void HistoryWebPage::initDimensions(const HistoryItem *parent) {
if (data->pendingTill) {
_maxw = st::webPageLeft + st::linkFont->m.width(lang((data->pendingTill < 0) ? lng_attach_failed : lng_profile_loading));
_minh = st::replyHeight;
_height = _minh;
return;
}
if (!_openl && !data->url.isEmpty()) _openl = TextLinkPtr(new TextLink(data->url));
@@ -3280,6 +3161,7 @@ void HistoryWebPage::initDimensions(const HistoryItem *parent) {
_duration = formatDurationText(data->duration);
_durationWidth = st::msgDateFont->m.width(_duration);
}
_height = _minh;
}
void HistoryWebPage::draw(QPainter &p, const HistoryItem *parent, bool selected, int32 width) const {
@@ -4054,6 +3936,7 @@ void HistoryImageLink::initDimensions(const HistoryItem *parent) {
_minh += st::msgPadding.top() + st::msgNameFont->height;
}
}
_height = _minh;
}
void HistoryImageLink::draw(QPainter &p, const HistoryItem *parent, bool selected, int32 width) const {