2 files changed, 131 insertions, 0 deletions
diff --git a/plugins/src/imageformats/png/main.cpp b/plugins/src/imageformats/png/main.cpp
new file mode 100644
index 0000000..dcd5792
--- /dev/null
+++ b/plugins/src/imageformats/png/main.cpp
@@ -0,0 +1,76 @@
+#ifndef QT_CLEAN_NAMESPACE
+#define QT_CLEAN_NAMESPACE
+#endif
+#include <qimageformatplugin.h>
+
+#ifndef QT_NO_IMAGEFORMATPLUGIN
+
+#ifdef QT_NO_IMAGEIO_PNG
+#undef QT_NO_IMAGEIO_PNG
+#endif
+#include "../../../../src/kernel/qpngio.cpp"
+
+class PNGFormat : public QImageFormatPlugin
+{
+public:
+    PNGFormat();
+
+    QStringList keys() const;
+    bool loadImage( const QString &format, const QString &filename, QImage * );
+    bool saveImage( const QString &format, const QString &filename, const QImage& );
+    bool installIOHandler( const QString & );
+};
+
+PNGFormat::PNGFormat()
+{
+}
+
+
+QStringList PNGFormat::keys() const
+{
+    QStringList list;
+    list << "PNG";
+
+    return list;
+}
+
+bool PNGFormat::loadImage( const QString &format, const QString &filename, QImage *image )
+{
+    if ( format != "PNG" )
+	return FALSE;
+
+    QImageIO io;
+    io.setFileName( filename );
+    io.setImage( *image );
+
+    read_png_image( &io );
+
+    return TRUE;
+}
+
+bool PNGFormat::saveImage( const QString &format, const QString &filename, const QImage &image )
+{
+    if ( format != "PNG" )
+	return FALSE;
+
+    QImageIO io;
+    io.setFileName( filename );
+    io.setImage( image );
+
+    write_png_image( &io );
+
+    return TRUE;
+}
+
+bool PNGFormat::installIOHandler( const QString &name )
+{
+    if ( name != "PNG" ) 
+	return FALSE;
+
+    qInitPngIO();
+    return TRUE;
+}
+
+Q_EXPORT_PLUGIN( PNGFormat )
+
+#endif // QT_NO_IMAGEFORMATPLUGIN
diff --git a/plugins/src/imageformats/png/png.pro b/plugins/src/imageformats/png/png.pro
new file mode 100644
index 0000000..fd1db1c
--- /dev/null
+++ b/plugins/src/imageformats/png/png.pro
@@ -0,0 +1,55 @@
+TEMPLATE = lib
+TARGET  += qpng
+
+CONFIG += qt plugin
+DESTDIR = ../../../imageformats
+
+VERSION = 1.0.0
+REQUIRES = !no-png !png
+
+SOURCES += main.cpp
+
+system-png {
+        unix:LIBS  += -lpng
+        win32:LIBS += libpng.lib
+}
+!system-png {
+	INCLUDEPATH += $$QT_SOURCE_TREE/src/3rdparty/libpng
+	INCLUDEPATH += $$QT_SOURCE_TREE/src/3rdparty/zlib
+	SOURCES += \
+    	    ../../../../src/3rdparty/libpng/png.c \
+	    ../../../../src/3rdparty/libpng/pngerror.c \
+	    ../../../../src/3rdparty/libpng/pngget.c \
+	    ../../../../src/3rdparty/libpng/pngmem.c \
+	    ../../../../src/3rdparty/libpng/pngpread.c \
+	    ../../../../src/3rdparty/libpng/pngread.c \
+	    ../../../../src/3rdparty/libpng/pngrio.c \
+	    ../../../../src/3rdparty/libpng/pngrtran.c \
+	    ../../../../src/3rdparty/libpng/pngrutil.c \
+	    ../../../../src/3rdparty/libpng/pngset.c \
+	    ../../../../src/3rdparty/libpng/pngtrans.c \
+	    ../../../../src/3rdparty/libpng/pngwio.c \
+	    ../../../../src/3rdparty/libpng/pngwrite.c \
+	    ../../../../src/3rdparty/libpng/pngwtran.c \
+	    ../../../../src/3rdparty/libpng/pngwutil.c
+}
+
+!system-zlib:SOURCES += \
+	../../../../src/3rdparty/zlib/adler32.c \
+	../../../../src/3rdparty/zlib/compress.c \
+	../../../../src/3rdparty/zlib/crc32.c \
+	../../../../src/3rdparty/zlib/deflate.c \
+	../../../../src/3rdparty/zlib/gzio.c \
+	../../../../src/3rdparty/zlib/inffast.c \
+	../../../../src/3rdparty/zlib/inflate.c \
+	../../../../src/3rdparty/zlib/inftrees.c \
+	../../../../src/3rdparty/zlib/trees.c \
+	../../../../src/3rdparty/zlib/uncompr.c \
+	../../../../src/3rdparty/zlib/zutil.c
+
+system-zlib:unix:LIBS += -lz
+system-zlib:mac:LIBS += -lz
+
+
+target.path += $$plugins.path/imageformats
+INSTALLS += target