Qt: Tile viewer improvements, magnification

src/platform/qt/TilePainter.cpp

@@ -13,10 +13,12 @@ using namespace QGBA;
 
 TilePainter::TilePainter(QWidget* parent)
 	: QWidget(parent)
+	, m_size(8)
 {
 	m_backing = QPixmap(256, 768);
 	m_backing.fill(Qt::transparent);
 	resize(256, 768);
+	setTileCount(3072);
 }
 
 void TilePainter::paintEvent(QPaintEvent* event) {
@@ -25,30 +27,37 @@ void TilePainter::paintEvent(QPaintEvent* event) {
 }
 
 void TilePainter::resizeEvent(QResizeEvent* event) {
-	if (width() / 8 != m_backing.width() / 8) {
+	int calculatedHeight = (m_tileCount * m_size) / (width() / m_size) + m_size / 2;
-		m_backing = QPixmap(width(), (3072 * 8) / (width() / 8));
+	if (width() / m_size != m_backing.width() / m_size || m_backing.height() != calculatedHeight) {
+		m_backing = QPixmap(width(), calculatedHeight);
 		m_backing.fill(Qt::transparent);
 	}
 }
 
 void TilePainter::mousePressEvent(QMouseEvent* event) {
-	int x = event->x() / 8;
+	int x = event->x() / m_size;
-	int y = event->y() / 8;
+	int y = event->y() / m_size;
-	emit indexPressed(y * (width() / 8) + x);
+	emit indexPressed(y * (width() / m_size) + x);
 }
 
 void TilePainter::setTile(int index, const uint16_t* data) {
 	QPainter painter(&m_backing);
-	int w = width() / 8;
+	int w = width() / m_size;
 	int x = index % w;
 	int y = index / w;
-	QRect r(x * 8, y * 8, 8, 8);
+	QRect r(x * m_size, y * m_size, m_size, m_size);
 	QImage tile(reinterpret_cast<const uchar*>(data), 8, 8, QImage::Format_RGB555);
-	painter.fillRect(r, tile.rgbSwapped());
+	painter.drawImage(r, tile.rgbSwapped());
 	update(r);
 }
 
 void TilePainter::setTileCount(int tiles) {
-	setMinimumSize(16, (tiles * 8) / (width() / 8));
+	m_tileCount = tiles;
+	setMinimumSize(16, (tiles * m_size) / (width() / m_size));
 	resizeEvent(nullptr);
 }
+
+void TilePainter::setTileMagnification(int mag) {
+	m_size = mag * 8;
+	setTileCount(m_tileCount);
+}

src/platform/qt/TilePainter.h

@@ -21,6 +21,7 @@ public:
 public slots:
 	void setTile(int index, const uint16_t*);
 	void setTileCount(int tiles);
+	void setTileMagnification(int mag);
 
 signals:
 	void indexPressed(int index);
@@ -32,6 +33,8 @@ protected:
 
 private:
 	QPixmap m_backing;
+	int m_size;
+	int m_tileCount;
 };
 
 }

src/platform/qt/TileView.cpp

@@ -26,7 +26,7 @@ TileView::TileView(GameController* controller, QWidget* parent)
 
 	m_ui.preview->setDimensions(QSize(8, 8));
 	m_updateTimer.setSingleShot(true);
-	m_updateTimer.setInterval(10);
+	m_updateTimer.setInterval(1);
 	connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateTiles()));
 
 	const QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
@@ -38,7 +38,12 @@ TileView::TileView(GameController* controller, QWidget* parent)
 	connect(m_controller, SIGNAL(gameStopped(mCoreThread*)), this, SLOT(close()));
 	connect(m_ui.tiles, SIGNAL(indexPressed(int)), this, SLOT(selectIndex(int)));
 	connect(m_ui.paletteId, SIGNAL(valueChanged(int)), this, SLOT(updatePalette(int)));
-	connect(m_ui.palette256, SIGNAL(toggled(bool)), this, SLOT(updateTiles()));
+	connect(m_ui.palette256, &QAbstractButton::toggled, [this]() {
+		updateTiles(true);
+	});
+	connect(m_ui.magnification, static_cast<void (QSpinBox::*)(int)>(&QSpinBox::valueChanged), [this]() {
+		updateTiles(true);
+	});
 }
 
 TileView::~TileView() {
@@ -131,5 +136,5 @@ void TileView::resizeEvent(QResizeEvent*) {
 }
 
 void TileView::showEvent(QShowEvent*) {
-	m_updateTimer.start();
+	updateTiles(true);
 }

src/platform/qt/TileView.ui

@@ -21,7 +21,7 @@
      </property>
     </widget>
    </item>
-   <item row="2" column="0">
+   <item row="3" column="0">
     <widget class="QGroupBox" name="groupBox">
      <property name="sizePolicy">
       <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
@@ -116,7 +116,7 @@
      </property>
     </widget>
    </item>
-   <item row="3" column="0">
+   <item row="4" column="0">
     <spacer name="verticalSpacer">
      <property name="orientation">
       <enum>Qt::Vertical</enum>
@@ -129,7 +129,7 @@
      </property>
     </spacer>
    </item>
-   <item row="0" column="1" rowspan="4">
+   <item row="0" column="1" rowspan="5">
     <widget class="QScrollArea" name="scrollArea">
      <property name="sizePolicy">
       <sizepolicy hsizetype="Minimum" vsizetype="Expanding">
@@ -145,7 +145,7 @@
        <rect>
         <x>0</x>
         <y>0</y>
-        <width>271</width>
+        <width>290</width>
         <height>768</height>
        </rect>
       </property>
@@ -185,6 +185,36 @@
      </widget>
     </widget>
    </item>
+   <item row="2" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout_4">
+     <item>
+      <widget class="QSpinBox" name="magnification">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="suffix">
+        <string>×</string>
+       </property>
+       <property name="minimum">
+        <number>1</number>
+       </property>
+       <property name="maximum">
+        <number>4</number>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_2">
+       <property name="text">
+        <string>Magnification</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
   </layout>
  </widget>
  <customwidgets>
@@ -193,6 +223,9 @@
    <extends>QWidget</extends>
    <header>TilePainter.h</header>
    <container>1</container>
+   <slots>
+    <slot>setTileMagnification(int)</slot>
+   </slots>
   </customwidget>
   <customwidget>
    <class>QGBA::Swatch</class>
@@ -219,5 +252,21 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>magnification</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>tiles</receiver>
+   <slot>setTileMagnification(int)</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>36</x>
+     <y>83</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>339</x>
+     <y>396</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
 </ui>