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Code Issues Releases Wiki Activity

Generate previews for cloud theme links.

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This commit is contained in:
John Preston
2019-09-09 14:56:05 +03:00
parent 6d29dc3b36
commit ee5423762a
20 changed files with 193 additions and 80 deletions
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56
Telegram/SourceFiles/window/themes/window_theme_preview.cpp
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@@ -83,9 +83,12 @@ QString fillLetters(const QString &name) {
class Generator {
public:
Generator(const Instance &theme, CurrentData &&current);
Generator(
const Instance &theme,
CurrentData &&current,
PreviewType type);
QImage generate();
[[nodiscard]] QImage generate();
private:
enum class Status {
@@ -131,6 +134,7 @@ private:
Ui::Text::String replyText = { st::msgMinWidth };
};
[[nodiscard]] bool extended() const;
void prepare();
void addRow(QString name, int peerIndex, QString date, QString text);
@@ -162,7 +166,8 @@ private:
const Instance &_theme;
const style::palette &_palette;
CurrentData _current;
const CurrentData _current;
const PreviewType _type;
Painter *_p = nullptr;
QRect _rect;
@@ -188,10 +193,19 @@ private:
};
bool Generator::extended() const {
return (_type == PreviewType::Extended);
}
void Generator::prepare() {
_rect = QRect(0, 0, st::themePreviewMargin.left() + st::themePreviewSize.width() + st::themePreviewMargin.right(), st::themePreviewMargin.top() + st::themePreviewSize.height() + st::themePreviewMargin.bottom());
_inner = _rect.marginsRemoved(st::themePreviewMargin);
_body = _inner.marginsRemoved(QMargins(0, Platform::PreviewTitleHeight(), 0, 0));
const auto size = extended()
? QRect(
QPoint(),
st::themePreviewSize).marginsAdded(st::themePreviewMargin).size()
: st::themePreviewSize;
_rect = QRect(QPoint(), size);
_inner = extended() ? _rect.marginsRemoved(st::themePreviewMargin) : _rect;
_body = extended() ? _inner.marginsRemoved(QMargins(0, Platform::PreviewTitleHeight(), 0, 0)) : _inner;
_dialogs = QRect(_body.x(), _body.y(), st::themePreviewDialogsWidth, _body.height());
_dialogsList = _dialogs.marginsRemoved(QMargins(0, st::dialogsFilterPadding.y() + st::dialogsMenuToggle.height + st::dialogsFilterPadding.y(), 0, st::dialogsPadding.y()));
_topBar = QRect(_dialogs.x() + _dialogs.width(), _dialogs.y(), _body.width() - _dialogs.width(), st::topBarHeight);
@@ -339,10 +353,14 @@ void Generator::generateData() {
_bubbles.back().replyText.setText(st::messageTextStyle, "Mark Twain said that " + QString() + QChar(9757) + QChar(55356) + QChar(57339), Ui::DialogTextOptions());
}
Generator::Generator(const Instance &theme, CurrentData &&current)
Generator::Generator(
const Instance &theme,
CurrentData &&current,
PreviewType type)
: _theme(theme)
, _palette(_theme.palette)
, _current(std::move(current)) {
, _current(std::move(current))
, _type(type) {
}
QImage Generator::generate() {
@@ -368,7 +386,9 @@ QImage Generator::generate() {
paintDialogs();
paintHistoryShadows();
}
Platform::PreviewWindowFramePaint(result, _palette, _body, _rect.width());
if (extended()) {
Platform::PreviewWindowFramePaint(result, _palette, _body, _rect.width());
}
return result;
}
@@ -944,18 +964,32 @@ std::unique_ptr<Preview> GeneratePreview(
const QByteArray &bytes,
const QString &filepath,
const Data::CloudTheme &cloud,
CurrentData &&data) {
CurrentData &&data,
PreviewType type) {
auto result = PreviewFromFile(bytes, filepath, cloud);
if (!result) {
return nullptr;
}
result->preview = Generator(
result->instance,
std::move(data)
std::move(data),
type
).generate();
return result;
}
QImage GeneratePreview(
const QByteArray &bytes,
const QString &filepath) {
const auto preview = GeneratePreview(
bytes,
filepath,
Data::CloudTheme(),
CurrentData{ Data::ThemeWallPaper().id() },
PreviewType::Normal);
return preview ? preview->preview : QImage();
}
int DefaultPreviewTitleHeight() {
return st::titleHeight;
}