Fix invalid headers in PNG files and optimize for size

vor 8 Jahren · cc2cd44cab
Commit cc2cd44cab
--- a/examples2/qt.png
+++ b/examples2/qt.png
--- a/examples2/qtlogo.png
+++ b/examples2/qtlogo.png
--- a/examples2/tt-logo.png
+++ b/examples2/tt-logo.png
--- a/examples3/canvas/butterfly.png
+++ b/examples3/canvas/butterfly.png
--- a/examples3/canvas/qtlogo.png
+++ b/examples3/canvas/qtlogo.png
--- a/examples3/marble.png
+++ b/examples3/marble.png
--- a/examples3/qt.png
+++ b/examples3/qt.png
--- a/examples3/qtlogo.png
+++ b/examples3/qtlogo.png
--- a/examples3/tt-logo.png
+++ b/examples3/tt-logo.png