diff --git a/graphics/digikam/files/patch-kioslave__digikamthumbnail.cpp b/graphics/digikam/files/patch-kioslave__digikamthumbnail.cpp
new file mode 100644
index 000000000000..6309033f8f68
--- /dev/null
+++ b/graphics/digikam/files/patch-kioslave__digikamthumbnail.cpp
@@ -0,0 +1,20 @@
+--- digikam/kioslave/digikamthumbnail.cpp.orig	2009-07-03 07:19:41.000000000 +0200
++++ digikam/kioslave/digikamthumbnail.cpp	2010-03-29 19:04:20.000000000 +0200
+@@ -370,7 +370,7 @@
+     unsigned char buf[PNG_BYTES_TO_CHECK];
+ 
+     fread(buf, 1, PNG_BYTES_TO_CHECK, f);
+-    if (!png_check_sig(buf, PNG_BYTES_TO_CHECK))
++    if (png_sig_cmp(buf, 0, PNG_BYTES_TO_CHECK))
+     {
+         fclose(f);
+         return qimage;
+@@ -465,7 +465,7 @@
+     {
+         png_set_gray_to_rgb(png_ptr);
+         if (png_get_bit_depth(png_ptr, info_ptr) < 8)
+-            png_set_gray_1_2_4_to_8(png_ptr);
++            png_set_expand_gray_1_2_4_to_8(png_ptr);
+     }
+ 
+     int sizeOfUint = sizeof(unsigned int);
diff --git a/graphics/digikam/files/patch-libs__dimg__loaders__pngloader.cpp b/graphics/digikam/files/patch-libs__dimg__loaders__pngloader.cpp
new file mode 100644
index 000000000000..6e0baf03bb97
--- /dev/null
+++ b/graphics/digikam/files/patch-libs__dimg__loaders__pngloader.cpp
@@ -0,0 +1,51 @@
+--- digikam/libs/dimg/loaders/pngloader.cpp.orig	2009-07-03 07:19:41.000000000 +0200
++++ digikam/libs/dimg/loaders/pngloader.cpp	2010-03-29 18:35:49.000000000 +0200
+@@ -88,7 +88,11 @@
+     unsigned char buf[PNG_BYTES_TO_CHECK];
+ 
+     fread(buf, 1, PNG_BYTES_TO_CHECK, f);
++#if PNG_LIBPNG_VER >= 10400
++    if (png_sig_cmp(buf, 0, PNG_BYTES_TO_CHECK))
++#else
+     if (!png_check_sig(buf, PNG_BYTES_TO_CHECK))
++#endif
+     {
+         DDebug() << k_funcinfo << "Not a PNG image file." << endl;
+         fclose(f);
+@@ -120,7 +124,11 @@
+     // PNG error handling. If an error occurs during reading, libpng
+     // will jump here
+ 
++#if PNG_LIBPNG_VER >= 10400
++    if (setjmp(png_jmpbuf(png_ptr)))
++#else
+     if (setjmp(png_ptr->jmpbuf))
++#endif
+     {
+         DDebug() << k_funcinfo << "Internal libPNG error during reading file. Process aborted!" << endl;
+         png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
+@@ -252,7 +260,11 @@
+ #ifdef ENABLE_DEBUG_MESSAGES
+                 DDebug() << "PNG in PNG_COLOR_TYPE_GRAY" << endl;
+ #endif
++#if PNG_LIBPNG_VER >= 10400
++                png_set_expand_gray_1_2_4_to_8(png_ptr);
++#else
+                 png_set_gray_1_2_4_to_8(png_ptr);
++#endif
+                 png_set_gray_to_rgb(png_ptr);
+ 
+                 if (QImage::systemByteOrder() == QImage::LittleEndian)       // Intel
+@@ -526,7 +538,11 @@
+     // PNG error handling. If an error occurs during writing, libpng
+     // will jump here
+ 
+-    if (setjmp(png_ptr->jmpbuf))
++#if PNG_LIBPNG_VER >= 10400
++    if (setjmp(png_jmpbuf(png_ptr)))
++#else
++     if (setjmp(png_ptr->jmpbuf))
++#endif
+     {
+         DDebug() << k_funcinfo << "Internal libPNG error during writing file. Process aborted!" << endl;
+         fclose(f);