don't crash when loadPNG fails

[enigma2.git] / lib / gui / epixmap.cpp

diff --git a/lib/gui/epixmap.cpp b/lib/gui/epixmap.cpp
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..70ea9d6a7b099c950fd21ec49950ad139d4506ed 100644 (file)
--- a/lib/gui/epixmap.cpp
+++ b/lib/gui/epixmap.cpp
@@ -0,0 +1,61 @@
+#include <lib/gui/epixmap.h>
+#include <lib/gdi/epng.h>
+#include <lib/gui/ewidgetdesktop.h>
+
+ePixmap::ePixmap(eWidget *parent)
+       :eWidget(parent), m_alphatest(false)
+{
+}
+
+void ePixmap::setAlphatest(bool alphatest)
+{
+       m_alphatest = alphatest;
+       setTransparent(alphatest);
+}
+
+void ePixmap::setPixmap(gPixmap *pixmap)
+{
+       m_pixmap = pixmap;
+       event(evtChangedPixmap);
+}
+
+void ePixmap::setPixmapFromFile(const char *filename)
+{
+       loadPNG(m_pixmap, filename);
+       
+       if (!m_pixmap)
+       {
+               eDebug("ePixmap::setPixmapFromFile: loadPNG failed");
+               return;
+       }
+       
+               // TODO
+       getDesktop()->makeCompatiblePixmap(*m_pixmap);
+       event(evtChangedPixmap);
+}
+
+int ePixmap::event(int event, void *data, void *data2)
+{
+       switch (event)
+       {
+       case evtPaint:
+       {
+               ePtr<eWindowStyle> style;
+               
+               getStyle(style);
+               
+//             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);
+               
+               return 0;
+       }
+       case evtChangedPixmap:
+               invalidate();
+               return 0;
+       default:
+               return eWidget::event(event, data, data2);
+       }
+}