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Added photo painting to PhotoEditorContent.

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This commit is contained in:
23rd 2021-02-05 10:08:20 +03:00
parent 45f8e68203
commit f7fa36ca1d
4 changed files with 41 additions and 1 deletions
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8
Telegram/SourceFiles/editor/photo_editor.cpp
View file

@ -15,7 +15,13 @@ namespace Editor {
PhotoEditor::PhotoEditor(
not_null<Ui::RpWidget*> parent,
std::shared_ptr<QPixmap> photo)
: RpWidget(parent) {
: RpWidget(parent)
, _content(base::make_unique_q<PhotoEditorContent>(this, photo))
, _controls(base::make_unique_q<PhotoEditorControls>(this)) {
sizeValue(
) | rpl::start_with_next([=](const QSize &size) {
_content->resize(size);
}, lifetime());
}
} // namespace Editor

5
Telegram/SourceFiles/editor/photo_editor.h
View file

@ -9,6 +9,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "ui/rp_widget.h"
#include "base/unique_qptr.h"
namespace Editor {
class PhotoEditorContent;
@ -22,6 +24,9 @@ public:
private:
base::unique_qptr<PhotoEditorContent> _content;
base::unique_qptr<PhotoEditorControls> _controls;
};
} // namespace Editor

27
Telegram/SourceFiles/editor/photo_editor_content.cpp
View file

@ -13,6 +13,33 @@ PhotoEditorContent::PhotoEditorContent(
not_null<Ui::RpWidget*> parent,
std::shared_ptr<QPixmap> photo)
: RpWidget(parent) {
sizeValue(
) | rpl::start_with_next([=](const QSize &size) {
const auto imageSize = [&] {
const auto originalSize = photo->size() / cIntRetinaFactor();
if ((originalSize.width() > size.width())
&& (originalSize.height() > size.height())) {
return originalSize.scaled(
size,
Qt::KeepAspectRatio);
}
return originalSize;
}();
_imageRect = QRect(
QPoint(
(size.width() - imageSize.width()) / 2,
(size.height() - imageSize.height()) / 2),
imageSize);
}, lifetime());
paintRequest(
) | rpl::start_with_next([=](const QRect &clip) {
Painter p(this);
p.fillRect(clip, Qt::transparent);
p.drawPixmap(_imageRect, *photo, photo->rect());
}, lifetime());
}
} // namespace Editor

2
Telegram/SourceFiles/editor/photo_editor_content.h
View file

@ -19,6 +19,8 @@ public:
private:
QRect _imageRect;
};
} // namespace Editor