改进视频控件

videowidget/videowidget.cpp

@@ -243,20 +243,12 @@ void VideoWidget::paintEvent(QPaintEvent *)
 
     //绘制边框
     drawBorder(&painter);
-
     if (!image.isNull()) {
         //绘制背景图片
         drawImg(&painter, image);
-
-        //绘制标签1
-        if (osd1Visible) {
-            drawOSD(&painter, osd1FontSize, osd1Text, osd1Color, osd1Image, osd1Format, osd1Position);
-        }
-
-        //绘制标签2
-        if (osd2Visible) {
-            drawOSD(&painter, osd2FontSize, osd2Text, osd2Color, osd2Image, osd2Format, osd2Position);
-        }
+        //绘制标签
+        drawOSD(&painter, osd1Visible, osd1FontSize, osd1Text, osd1Color, osd1Image, osd1Format, osd1Position);
+        drawOSD(&painter, osd2Visible, osd2FontSize, osd2Text, osd2Color, osd2Image, osd2Format, osd2Position);
     } else {
         //绘制背景
         drawBg(&painter);
@@ -265,6 +257,10 @@ void VideoWidget::paintEvent(QPaintEvent *)
 
 void VideoWidget::drawBorder(QPainter *painter)
 {
+    if (borderWidth == 0) {
+        return;
+    }
+
     painter->save();
     QPen pen;
     pen.setWidth(borderWidth);
@@ -314,6 +310,7 @@ void VideoWidget::drawImg(QPainter *painter, QImage img)
 }
 
 void VideoWidget::drawOSD(QPainter *painter,
+                          bool osdVisible,
                           int osdFontSize,
                           const QString &osdText,
                           const QColor &osdColor,
@@ -321,6 +318,10 @@ void VideoWidget::drawOSD(QPainter *painter,
                           const VideoWidget::OSDFormat &osdFormat,
                           const VideoWidget::OSDPosition &osdPosition)
 {
+    if (!osdVisible) {
+        return;
+    }
+
     painter->save();
 
     //标签位置尽量偏移多一点避免遮挡

videowidget/videowidget.h

@@ -103,6 +103,7 @@ protected:
     void drawBg(QPainter *painter);
     void drawImg(QPainter *painter, QImage img);
     void drawOSD(QPainter *painter,
+                 bool osdVisible,
                  int osdFontSize,
                  const QString &osdText,
                  const QColor &osdColor,