添加了更改画布大小的功能 | #3

ArchitectureColoredPainting/EditorSettingWidget.ui

@@ -54,6 +54,19 @@
        </property>
       </widget>
      </item>
+     <item alignment="Qt::AlignHCenter">
+      <widget class="QPushButton" name="resizeButton">
+       <property name="maximumSize">
+        <size>
+         <width>120</width>
+         <height>16777215</height>
+        </size>
+       </property>
+       <property name="text">
+        <string>设置画布尺寸</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
   </layout>

ArchitectureColoredPainting/EditorWidgetItem.ui

@@ -70,9 +70,9 @@
            <property name="geometry">
             <rect>
              <x>0</x>
-             <y>-17</y>
+             <y>0</y>
-             <width>1024</width>
+             <width>0</width>
-             <height>1024</height>
+             <height>0</height>
             </rect>
            </property>
            <property name="sizePolicy">
@@ -83,14 +83,14 @@
            </property>
            <property name="minimumSize">
             <size>
-             <width>1024</width>
+             <width>0</width>
-             <height>1024</height>
+             <height>0</height>
             </size>
            </property>
            <property name="maximumSize">
             <size>
-             <width>1024</width>
+             <width>16777215</width>
-             <height>1024</height>
+             <height>16777215</height>
             </size>
            </property>
           </widget>

ArchitectureColoredPainting/src/Editor/EditorWidgetItem.cpp

@@ -40,6 +40,7 @@ EditorWidgetItem::EditorWidgetItem(QString filePath,QWidget *parent) : QWidget(p
 	//connect(treeWidget, &LayerTreeWidget::requireRefreshElementWidget, elementInfoDisplayWidget, &ElementPoolWidget::refresh);
  //   connect(layerInfoDisplayWidget, &InfoDisplayWidget::requireRefreshElementWidget, elementInfoDisplayWidget, &ElementPoolWidget::refresh);
     connect(treeWidget, &LayerTreeWidget::displayLayerChange, this, &EditorWidgetItem::onLayerChange);
+	connect(editorSettingWidget, &EditorSettingWidget::canvasSizeChanged, previewWindow, &PreviewWindow::resize);
  //   connect(layerInfoDisplayWidget, &InfoDisplayWidget::requireRefreshPreview, this,
  //           &EditorWidgetItem::triggerRefreshPreview);
  //   connect(treeWidget, &LayerTreeWidget::requireRefreshPreview, this,
@@ -72,7 +73,7 @@ EditorWidgetItem::EditorWidgetItem(QString filePath,QWidget *parent) : QWidget(p
     elementInfoDisplayWidget->setElementManager(elementManager);
     treeWidget->elementManager = elementManager;
     //qDebug() << layerManager->toJson();
-    previewWindow->initialize(layerManager,QSize(jsonDoc.object().value("width").toDouble(),jsonDoc.object().value("height").toDouble()));
+    previewWindow->initialize(layerManager,QSize(jsonDoc.object().value("width").toInt(),jsonDoc.object().value("height").toInt()));
     
     
     if (layerManager->getRoot() != nullptr)
@@ -151,8 +152,8 @@ void EditorWidgetItem::saveImpl(QString filePath) const
 	QJsonObject source1 = layerManager->toJson();
 	QJsonObject source2 = elementManager->toJson();
     QJsonObject json;
-	json.insert("width", 1080);
+	json.insert("width", previewWindow->referSize.width());
-	json.insert("height", 1080);
+	json.insert("height", previewWindow->referSize.height());
 	json.insert("root-layer", source1.value("root-layer"));
     json.insert("elements", source2.value("elements"));
     json.insert("project-name", this->projectName);

ArchitectureColoredPainting/src/Editor/PreviewWindow.cpp

@@ -18,11 +18,32 @@ PreviewWindow::PreviewWindow(QWidget* parent) : QOpenGLWidget(parent)
 	backgroundColor = QColor(255, 255, 255, 255);
 }
 
-void PreviewWindow::initialize(LayerManager* layerManager, QSize windowSize)
+void PreviewWindow::initialize(LayerManager* layerManager, QSize referSize, QSize windowSize)
 {
 	this->logicalSize = windowSize;
 	this->layerManager = layerManager;
-	this->setFixedSize(windowSize);
+	this->resize(referSize);
+}
+
+void PreviewWindow::resize(QSize _referSize)
+{
+	if (!_referSize.isValid())
+		return;
+	if (_referSize.width() == 0 || _referSize.height() == 0)
+		return;
+	this->referSize = _referSize;
+	if (referSize.width() > referSize.height())
+	{
+		actualSize.setWidth(logicalSize.width());
+		actualSize.setHeight(logicalSize.width() * referSize.height() / referSize.width());
+	}
+	else
+	{
+		actualSize.setHeight(logicalSize.height());
+		actualSize.setWidth(logicalSize.height() * referSize.width() / referSize.height());
+	}
+	this->setFixedSize(actualSize);
+	this->viewportRect = QRectF(QPointF(0, 0), actualSize);
 }
 
 void PreviewWindow::show()
@@ -51,7 +72,7 @@ void PreviewWindow::paintGL()
 	glClearColor(backgroundColor.redF(), backgroundColor.greenF(), backgroundColor.blueF(), backgroundColor.alphaF());
 	glClear(GL_COLOR_BUFFER_BIT);
 	painter->begin(this);
-	painter->setWindow(0, 0, logicalSize.width() * devicePixelRatioF(), logicalSize.height() * devicePixelRatioF());
+	painter->setWindow(0, 0, actualSize.width() * devicePixelRatioF(), actualSize.height() * devicePixelRatioF());
 	painter->setRenderHint(QPainter::Antialiasing);
 	painter->setRenderHint(QPainter::HighQualityAntialiasing);
 	layerManager->paint(painter, this->size(), currentLayer);
@@ -141,12 +162,12 @@ void PreviewWindow::wheelEvent(QWheelEvent* event)
 		if (event->delta() > 0 && zoomStep < ZOOM_STEP_MAX)
 		{
 			zoomStep++;
-			this->setFixedSize(logicalSize * (1 + zoomStep * ZOOM_RATE));
+			this->setFixedSize(actualSize * (1 + zoomStep * ZOOM_RATE));
 		}
 		else if (event->delta() < 0 && zoomStep > ZOOM_STEP_MIN)
 		{
 			zoomStep--;
-			this->setFixedSize(logicalSize * (1 + zoomStep * ZOOM_RATE));
+			this->setFixedSize(actualSize * (1 + zoomStep * ZOOM_RATE));
 		}
 		this->repaint();
 	}

ArchitectureColoredPainting/src/Editor/PreviewWindow.h

@@ -28,6 +28,7 @@ class PreviewWindow : public QOpenGLWidget, protected QOpenGLFunctions
     LayerManager *layerManager;
 	Renderer::ElementRenderer* renderer;
     QSize logicalSize;
+    QSize actualSize;
 	QRectF viewportRect;
     LayerWrapper* currentLayer;
     QPointF m_lastPos;
@@ -38,8 +39,10 @@ class PreviewWindow : public QOpenGLWidget, protected QOpenGLFunctions
     void wheelEvent(QWheelEvent* event) override;
     
   public:
+    QSize referSize;
     PreviewWindow(QWidget *parent = nullptr);
-    void initialize(LayerManager *layerManager, QSize windowSize = QSize(1920, 1080));
+    void initialize(LayerManager *layerManager,QSize referSize, QSize windowSize = QSize(720, 720));
+    void resize(QSize _referSize);
     void show();
     void initializeGL() override;
     void paintGL() override;

ArchitectureColoredPainting/src/Editor/RightBar/EditorSettingWidget.cpp

@@ -18,4 +18,9 @@ EditorSettingWidget::EditorSettingWidget(QWidget* parent)
 			QString name = QInputDialog::getText(this, QString::fromLocal8Bit("重命名"), QString::fromLocal8Bit("请输入新的项目名称"));
 			emit projectNameChanged(name);
 		});
+	connect(ui.resizeButton, &QPushButton::clicked, this, [this]() {
+			int width = QInputDialog::getInt(this, QString::fromLocal8Bit("重设画布大小"), QString::fromLocal8Bit("请输入新的画布宽度"));
+			int height = QInputDialog::getInt(this, QString::fromLocal8Bit("重设画布大小"), QString::fromLocal8Bit("请输入新的画布高度"));
+			emit canvasSizeChanged(QSize(width, height));
+		});
 }

ArchitectureColoredPainting/src/Editor/RightBar/EditorSettingWidget.h

@@ -16,6 +16,6 @@ class EditorSettingWidget :
   signals:
 	  void backgroundColorChanged(QColor);
       void projectNameChanged(QString);
-    
+      void canvasSizeChanged(QSize);
 };