X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/6c2d3fc303542b7f77f4350974acf781a1b91c30..1c242c0a654a5c4048ba4219a0982f8ba8a85246:/lib/gui/epixmap.cpp

diff --git a/lib/gui/epixmap.cpp b/lib/gui/epixmap.cpp
index 4e15b4eb..84fec323 100644
--- a/lib/gui/epixmap.cpp
+++ b/lib/gui/epixmap.cpp
@@ -7,7 +7,7 @@ ePixmap::ePixmap(eWidget *parent)
 {
 }
 
-void ePixmap::setAlphatest(bool alphatest)
+void ePixmap::setAlphatest(int alphatest)
 {
 	m_alphatest = alphatest;
 	setTransparent(alphatest);
@@ -19,6 +19,12 @@ void ePixmap::setPixmap(gPixmap *pixmap)
 	event(evtChangedPixmap);
 }
 
+void ePixmap::setPixmap(ePtr<gPixmap> &pixmap)
+{
+	m_pixmap = pixmap;
+	event(evtChangedPixmap);
+}
+
 void ePixmap::setPixmapFromFile(const char *filename)
 {
 	loadPNG(m_pixmap, filename);
@@ -34,6 +40,17 @@ void ePixmap::setPixmapFromFile(const char *filename)
 	event(evtChangedPixmap);
 }
 
+void ePixmap::checkSize()
+{
+			/* when we have no pixmap, or a pixmap of different size, we need 
+	   to enable transparency in any case. */
+	if (m_pixmap && m_pixmap->size() == size() && !m_alphatest)
+		setTransparent(0);
+	else
+		setTransparent(1);
+		/* fall trough. */
+}
+
 int ePixmap::event(int event, void *data, void *data2)
 {
 	switch (event)
@@ -43,18 +60,34 @@ int ePixmap::event(int event, void *data, void *data2)
 		ePtr<eWindowStyle> style;
 		
 		getStyle(style);
-		
-//		eWidget::event(event, data, data2);
-		
+
+//	we don't clear the background before because of performance reasons.
+//	when the pixmap is too small to fit the whole widget area, the widget is
+//	transparent anyway, so the background is already painted.
+//		eWidget::event(event, data, data2); 
+
 		gPainter &painter = *(gPainter*)data2;
 		if (m_pixmap)
-			painter.blit(m_pixmap, ePoint(0, 0), eRect(), m_alphatest?gPainter::BT_ALPHATEST:0);
-		
+		{
+			int flags = 0;
+			if (m_alphatest == 0)
+				flags = 0;
+			else if (m_alphatest == 1)
+				flags = gPainter::BT_ALPHATEST;
+			else if (m_alphatest == 2)
+				flags = gPainter::BT_ALPHABLEND;
+			painter.blit(m_pixmap, ePoint(0, 0), eRect(), flags);
+		}
+
 		return 0;
 	}
 	case evtChangedPixmap:
+		checkSize();
 		invalidate();
 		return 0;
+	case evtChangedSize:
+		checkSize();
+			/* fall trough. */
 	default:
 		return eWidget::event(event, data, data2);
 	}