Moved draft painting in photo editor to separate files.
This commit is contained in:
parent
23c67bb2a2
commit
a3e54fcd7c
11 changed files with 393 additions and 87 deletions
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@ -523,8 +523,14 @@ PRIVATE
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editor/photo_editor_controls.h
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editor/photo_editor_layer_widget.cpp
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editor/photo_editor_layer_widget.h
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editor/scene.cpp
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editor/scene.h
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editor/scene_item_base.cpp
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editor/scene_item_base.h
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editor/scene_item_canvas.cpp
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editor/scene_item_canvas.h
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editor/scene_item_line.cpp
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editor/scene_item_line.h
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editor/scene_item_sticker.cpp
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editor/scene_item_sticker.h
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editor/stickers_panel_controller.cpp
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@ -7,13 +7,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "editor/editor_paint.h"
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#include "editor/scene.h"
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#include "editor/scene_item_base.h"
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#include "editor/scene_item_canvas.h"
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#include "editor/scene_item_sticker.h"
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#include "editor/controllers.h"
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#include "base/event_filter.h"
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#include <QGraphicsItemGroup>
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#include <QGraphicsSceneMouseEvent>
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#include <QGraphicsView>
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namespace Editor {
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@ -27,15 +27,17 @@ constexpr auto kViewStyle = "QGraphicsView {\
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border: 0px\
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}"_cs;
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std::shared_ptr<QGraphicsScene> EnsureScene(PhotoModifications &mods) {
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std::shared_ptr<Scene> EnsureScene(
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PhotoModifications &mods,
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const QSize &size) {
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if (!mods.paint) {
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mods.paint = std::make_shared<QGraphicsScene>(nullptr);
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mods.paint = std::make_shared<Scene>(QRectF(QPointF(), size));
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}
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return mods.paint;
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}
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auto GroupsFilter(QGraphicsItem *i) {
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return i->type() == QGraphicsItemGroup::Type;
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auto Filter(QGraphicsItem *i) {
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return i->type() != ItemCanvas::Type;
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}
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} // namespace
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@ -46,8 +48,8 @@ Paint::Paint(
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const QSize &imageSize,
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std::shared_ptr<Controllers> controllers)
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: RpWidget(parent)
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, _lastZ(std::make_shared<float64>(0.))
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, _scene(EnsureScene(modifications))
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, _lastZ(std::make_shared<float64>(9000.))
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, _scene(EnsureScene(modifications, imageSize))
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, _view(base::make_unique_q<QGraphicsView>(_scene.get(), this))
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, _imageSize(imageSize) {
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Expects(modifications.paint != nullptr);
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@ -59,16 +61,18 @@ Paint::Paint(
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_view->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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_view->setStyleSheet(kViewStyle.utf8());
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_scene->setSceneRect(0, 0, imageSize.width(), imageSize.height());
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initDrawing();
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_scene->mousePresses(
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) | rpl::start_with_next([=] {
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_hasUndo = true;
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clearRedoList();
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}, lifetime());
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// Undo / Redo.
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controllers->undoController->performRequestChanges(
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) | rpl::start_with_next([=](const Undo &command) {
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const auto isUndo = (command == Undo::Undo);
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const auto filtered = groups(isUndo
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const auto filtered = filteredItems(isUndo
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? Qt::DescendingOrder
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: Qt::AscendingOrder);
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@ -136,56 +140,7 @@ void Paint::applyTransform(QRect geometry, int angle, bool flipped) {
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_view->setGeometry(QRect(QPoint(), size));
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}
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void Paint::initDrawing() {
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using Result = base::EventFilterResult;
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auto callback = [=](not_null<QEvent*> event) {
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const auto type = event->type();
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const auto isPress = (type == QEvent::GraphicsSceneMousePress);
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const auto isMove = (type == QEvent::GraphicsSceneMouseMove);
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const auto isRelease = (type == QEvent::GraphicsSceneMouseRelease);
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if (!isPress && !isMove && !isRelease) {
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return Result::Continue;
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}
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const auto e = static_cast<QGraphicsSceneMouseEvent*>(event.get());
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const auto &size = _brushData.size;
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const auto &color = _brushData.color;
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const auto mousePoint = e->scenePos();
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if (isPress) {
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_hasUndo = true;
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clearRedoList();
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auto dot = _scene->addEllipse(
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mousePoint.x() - size / 2,
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mousePoint.y() - size / 2,
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size,
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size,
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QPen(Qt::NoPen),
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QBrush(color));
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_brushData.group = _scene->createItemGroup(
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QList<QGraphicsItem*>{ std::move(dot) });
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}
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if (isMove && _brushData.group) {
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_brushData.group->addToGroup(_scene->addLine(
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_brushData.lastPoint.x(),
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_brushData.lastPoint.y(),
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mousePoint.x(),
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mousePoint.y(),
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QPen(color, size, Qt::SolidLine, Qt::RoundCap)));
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}
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if (isRelease) {
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_brushData.group = nullptr;
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}
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_brushData.lastPoint = mousePoint;
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return Result::Cancel;
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};
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base::install_event_filter(this, _scene.get(), std::move(callback));
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}
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std::shared_ptr<QGraphicsScene> Paint::saveScene() const {
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std::shared_ptr<Scene> Paint::saveScene() const {
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_scene->clearSelection();
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return _scene->items().empty()
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? nullptr
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@ -195,7 +150,7 @@ std::shared_ptr<QGraphicsScene> Paint::saveScene() const {
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}
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void Paint::cancel() {
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const auto filtered = groups(Qt::AscendingOrder);
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const auto filtered = filteredItems(Qt::AscendingOrder);
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if (filtered.empty()) {
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return;
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}
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@ -229,17 +184,17 @@ void Paint::keepResult() {
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}
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bool Paint::hasUndo() const {
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return ranges::any_of(groups(), &QGraphicsItem::isVisible);
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return ranges::any_of(filteredItems(), &QGraphicsItem::isVisible);
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}
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bool Paint::hasRedo() const {
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return ranges::any_of(
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groups(),
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filteredItems(),
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[=](QGraphicsItem *i) { return isItemHidden(i); });
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}
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void Paint::clearRedoList() {
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const auto items = groups(Qt::AscendingOrder);
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const auto items = filteredItems(Qt::AscendingOrder);
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auto &&filtered = ranges::views::all(
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items
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) | ranges::views::filter(
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@ -267,17 +222,17 @@ void Paint::updateUndoState() {
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_hasRedo = hasRedo();
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}
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std::vector<QGraphicsItem*> Paint::groups(Qt::SortOrder order) const {
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std::vector<QGraphicsItem*> Paint::filteredItems(Qt::SortOrder order) const {
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const auto items = _scene->items(order);
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return ranges::views::all(
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items
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) | ranges::views::filter(GroupsFilter) | ranges::to_vector;
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) | ranges::views::filter(Filter) | ranges::to_vector;
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}
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void Paint::applyBrush(const Brush &brush) {
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_brushData.color = brush.color;
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_brushData.size =
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(kMinBrush + float64(kMaxBrush - kMinBrush) * brush.sizeRatio);
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_scene->applyBrush(
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brush.color,
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(kMinBrush + float64(kMaxBrush - kMinBrush) * brush.sizeRatio));
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}
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} // namespace Editor
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@ -11,13 +11,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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#include "editor/photo_editor_common.h"
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class QGraphicsItemGroup;
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class QGraphicsItem;
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class QGraphicsView;
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namespace Editor {
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struct Controllers;
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class ItemBase;
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class Scene;
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// Paint control.
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class Paint final : public Ui::RpWidget {
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@ -28,7 +29,7 @@ public:
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const QSize &imageSize,
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std::shared_ptr<Controllers> controllers);
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[[nodiscard]] std::shared_ptr<QGraphicsScene> saveScene() const;
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[[nodiscard]] std::shared_ptr<Scene> saveScene() const;
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void applyTransform(QRect geometry, int angle, bool flipped);
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void applyBrush(const Brush &brush);
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@ -42,7 +43,6 @@ private:
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bool undid = false;
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};
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void initDrawing();
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bool hasUndo() const;
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bool hasRedo() const;
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void clearRedoList();
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@ -50,25 +50,17 @@ private:
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bool isItemToRemove(not_null<QGraphicsItem*> item) const;
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bool isItemHidden(not_null<QGraphicsItem*> item) const;
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std::vector<QGraphicsItem*> groups(
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std::vector<QGraphicsItem*> filteredItems(
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Qt::SortOrder order = Qt::DescendingOrder) const;
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const std::shared_ptr<float64> _lastZ;
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const std::shared_ptr<QGraphicsScene> _scene;
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const std::shared_ptr<Scene> _scene;
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const base::unique_qptr<QGraphicsView> _view;
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const QSize _imageSize;
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std::vector<SavedItem> _previousItems;
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QList<QGraphicsItem*> _itemsToRemove;
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struct {
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QPointF lastPoint;
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float size = 1.;
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QColor color;
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QGraphicsItemGroup *group;
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} _brushData;
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rpl::variable<bool> _hasUndo = true;
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rpl::variable<bool> _hasRedo = true;
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@ -7,6 +7,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "editor/photo_editor_common.h"
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#include "editor/scene.h"
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namespace Editor {
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QImage ImageModified(QImage image, const PhotoModifications &mods) {
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@ -7,10 +7,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <QGraphicsScene>
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namespace Editor {
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class Scene;
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struct PhotoEditorMode {
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enum class Mode {
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Transform,
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@ -28,7 +28,7 @@ struct PhotoModifications {
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int angle = 0;
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bool flipped = false;
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QRect crop;
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std::shared_ptr<QGraphicsScene> paint = nullptr;
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std::shared_ptr<Scene> paint = nullptr;
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[[nodiscard]] bool empty() const;
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[[nodiscard]] explicit operator bool() const;
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99
Telegram/SourceFiles/editor/scene.cpp
Normal file
99
Telegram/SourceFiles/editor/scene.cpp
Normal file
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@ -0,0 +1,99 @@
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/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "editor/scene.h"
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#include "editor/scene_item_canvas.h"
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#include "editor/scene_item_line.h"
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#include "ui/rp_widget.h"
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#include <QGraphicsSceneMouseEvent>
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#include <QGraphicsSceneMouseEvent>
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#include <QGraphicsSceneMouseEvent>
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namespace Editor {
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Scene::Scene(const QRectF &rect)
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: QGraphicsScene(rect)
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, _canvas(new ItemCanvas) {
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clearPath();
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addItem(_canvas);
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_canvas->paintRequest(
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) | rpl::start_with_next([=](not_null<QPainter*> p) {
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p->fillRect(sceneRect(), Qt::transparent);
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p->setPen(QPen(_brushData.color, _brushData.size));
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p->drawPath(_path);
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}, _lifetime);
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}
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void Scene::mousePressEvent(QGraphicsSceneMouseEvent *event) {
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QGraphicsScene::mousePressEvent(event);
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if (event->isAccepted() || (event->button() == Qt::RightButton)) {
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return;
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}
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_mousePresses.fire({});
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_path.moveTo(event->scenePos());
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_drawing = true;
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}
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void Scene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
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QGraphicsScene::mouseReleaseEvent(event);
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if (event->isAccepted() || (event->button() == Qt::RightButton)) {
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return;
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}
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_path.lineTo(event->scenePos());
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addLineItem();
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_drawing = false;
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}
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void Scene::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
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QGraphicsScene::mouseMoveEvent(event);
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if (event->isAccepted()
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|| (event->button() == Qt::RightButton)
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|| !_drawing) {
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return;
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}
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const auto scenePos = event->scenePos();
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_path.lineTo(scenePos);
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_path.moveTo(scenePos);
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_canvas->update();
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}
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void Scene::addLineItem() {
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if (_path.capacity() < 3) {
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return;
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}
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addItem(new ItemLine(
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_path,
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sceneRect().size().toSize() * cIntRetinaFactor(),
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_brushData.color,
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_brushData.size));
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_canvas->setZValue(++_lastLineZ);
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clearPath();
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}
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void Scene::applyBrush(const QColor &color, float size) {
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_brushData.color = color;
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_brushData.size = size;
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}
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void Scene::clearPath() {
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_path = QPainterPath();
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_path.setFillRule(Qt::WindingFill);
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}
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rpl::producer<> Scene::mousePresses() const {
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return _mousePresses.events();
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}
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Scene::~Scene() {
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}
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} // namespace Editor
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59
Telegram/SourceFiles/editor/scene.h
Normal file
59
Telegram/SourceFiles/editor/scene.h
Normal file
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@ -0,0 +1,59 @@
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/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <base/unique_qptr.h>
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#include <QGraphicsScene>
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class QGraphicsSceneMouseEvent;
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class QGraphicsSceneMouseEvent;
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class QGraphicsSceneMouseEvent;
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namespace Ui {
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class RpWidget;
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} // namespace Ui
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namespace Editor {
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class ItemCanvas;
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class Scene final : public QGraphicsScene {
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public:
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Scene(const QRectF &rect);
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~Scene();
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void applyBrush(const QColor &color, float size);
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[[nodiscard]] rpl::producer<> mousePresses() const;
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protected:
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void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
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void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
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void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
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private:
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void clearPath();
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void addLineItem();
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const not_null<ItemCanvas*> _canvas;
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QPainterPath _path;
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bool _drawing = false;
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float64 _lastLineZ = 0.;
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struct {
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float size = 1.;
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QColor color;
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} _brushData;
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rpl::event_stream<> _mousePresses;
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rpl::lifetime _lifetime;
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};
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} // namespace Editor
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49
Telegram/SourceFiles/editor/scene_item_canvas.cpp
Normal file
49
Telegram/SourceFiles/editor/scene_item_canvas.cpp
Normal file
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@ -0,0 +1,49 @@
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/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "editor/scene_item_canvas.h"
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#include <QGraphicsScene>
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namespace Editor {
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ItemCanvas::ItemCanvas() {
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setAcceptedMouseButtons(0);
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}
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QRectF ItemCanvas::boundingRect() const {
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return scene()->sceneRect();
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}
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void ItemCanvas::paint(
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QPainter *p,
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const QStyleOptionGraphicsItem *,
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QWidget *) {
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_paintRequest.fire_copy(p);
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}
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int ItemCanvas::type() const {
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return Type;
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}
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rpl::producer<not_null<QPainter*>> ItemCanvas::paintRequest() const {
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return _paintRequest.events();
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}
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bool ItemCanvas::collidesWithItem(
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const QGraphicsItem *,
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Qt::ItemSelectionMode) const {
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return false;
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}
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bool ItemCanvas::collidesWithPath(
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const QPainterPath &,
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Qt::ItemSelectionMode) const {
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return false;
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}
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} // namespace Editor
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41
Telegram/SourceFiles/editor/scene_item_canvas.h
Normal file
41
Telegram/SourceFiles/editor/scene_item_canvas.h
Normal file
|
@ -0,0 +1,41 @@
|
|||
/*
|
||||
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
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#include <QGraphicsItem>
|
||||
|
||||
namespace Editor {
|
||||
|
||||
class ItemCanvas : public QGraphicsItem {
|
||||
public:
|
||||
enum { Type = UserType + 6 };
|
||||
|
||||
ItemCanvas();
|
||||
|
||||
QRectF boundingRect() const override;
|
||||
void paint(
|
||||
QPainter *p,
|
||||
const QStyleOptionGraphicsItem *option,
|
||||
QWidget *widget) override;
|
||||
int type() const override;
|
||||
|
||||
[[nodiscard]] rpl::producer<not_null<QPainter*>> paintRequest() const;
|
||||
protected:
|
||||
bool collidesWithItem(
|
||||
const QGraphicsItem *,
|
||||
Qt::ItemSelectionMode) const override;
|
||||
|
||||
bool collidesWithPath(
|
||||
const QPainterPath &,
|
||||
Qt::ItemSelectionMode) const override;
|
||||
private:
|
||||
rpl::event_stream<not_null<QPainter*>> _paintRequest;
|
||||
|
||||
};
|
||||
|
||||
} // namespace Editor
|
62
Telegram/SourceFiles/editor/scene_item_line.cpp
Normal file
62
Telegram/SourceFiles/editor/scene_item_line.cpp
Normal file
|
@ -0,0 +1,62 @@
|
|||
/*
|
||||
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 "editor/scene_item_line.h"
|
||||
|
||||
#include <QGraphicsScene>
|
||||
|
||||
namespace Editor {
|
||||
namespace {
|
||||
|
||||
QPixmap PathToPixmap(
|
||||
const QPainterPath &path,
|
||||
const QSize &size,
|
||||
const QColor &brushColor,
|
||||
float brushSize) {
|
||||
auto pixmap = QPixmap(size);
|
||||
pixmap.setDevicePixelRatio(cRetinaFactor());
|
||||
pixmap.fill(Qt::transparent);
|
||||
Painter p(&pixmap);
|
||||
p.setPen(QPen(brushColor, brushSize));
|
||||
p.drawPath(path);
|
||||
return pixmap;
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
ItemLine::ItemLine(
|
||||
const QPainterPath &path,
|
||||
const QSize &size,
|
||||
const QColor &brushColor,
|
||||
float brushSize)
|
||||
: _pixmap(PathToPixmap(path, size, brushColor, brushSize)) {
|
||||
Expects(path.capacity() > 0);
|
||||
}
|
||||
|
||||
QRectF ItemLine::boundingRect() const {
|
||||
return scene()->sceneRect();
|
||||
}
|
||||
|
||||
void ItemLine::paint(
|
||||
QPainter *p,
|
||||
const QStyleOptionGraphicsItem *,
|
||||
QWidget *) {
|
||||
p->drawPixmap(0, 0, _pixmap);
|
||||
}
|
||||
|
||||
bool ItemLine::collidesWithItem(
|
||||
const QGraphicsItem *,
|
||||
Qt::ItemSelectionMode) const {
|
||||
return false;
|
||||
}
|
||||
bool ItemLine::collidesWithPath(
|
||||
const QPainterPath &,
|
||||
Qt::ItemSelectionMode) const {
|
||||
return false;
|
||||
}
|
||||
|
||||
} // namespace Editor
|
41
Telegram/SourceFiles/editor/scene_item_line.h
Normal file
41
Telegram/SourceFiles/editor/scene_item_line.h
Normal file
|
@ -0,0 +1,41 @@
|
|||
/*
|
||||
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
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#include <QGraphicsItem>
|
||||
|
||||
namespace Editor {
|
||||
|
||||
class ItemLine : public QGraphicsItem {
|
||||
public:
|
||||
enum { Type = UserType + 5 };
|
||||
|
||||
ItemLine(
|
||||
const QPainterPath &path,
|
||||
const QSize &size,
|
||||
const QColor &brushColor,
|
||||
float brushSize);
|
||||
QRectF boundingRect() const override;
|
||||
void paint(
|
||||
QPainter *p,
|
||||
const QStyleOptionGraphicsItem *option,
|
||||
QWidget *widget) override;
|
||||
protected:
|
||||
bool collidesWithItem(
|
||||
const QGraphicsItem *,
|
||||
Qt::ItemSelectionMode) const override;
|
||||
bool collidesWithPath(
|
||||
const QPainterPath &,
|
||||
Qt::ItemSelectionMode) const override;
|
||||
private:
|
||||
const QRectF _rect;
|
||||
const QPixmap _pixmap;
|
||||
|
||||
};
|
||||
|
||||
} // namespace Editor
|
Loading…
Reference in a new issue