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authorThiago Macieira <thiago.macieira@intel.com>2015-01-15 22:15:29 -0800
committerThiago Macieira <thiago.macieira@intel.com>2015-01-17 06:31:20 +0100
commit9d46189a64769d44842accfe427ebf5cdbc9d73b (patch)
tree47e09e6cac6dc4a7432941a1cf7e2ab3a7265e8b /src/gui/image/qpnghandler.cpp
parent2f010390adba67996de687dd8d3bc427fb2305bf (diff)
Remove Q_C_CALLBACKS
This is useless. The C++ language does require callbacks passed to C functions to also be extern "C". That's what this macro was doing. But #ifdef'ing for the macro only made the code uglier. Just let the extern "C" be there for all compilers. PS: C++ classes can't be extern "C"... Change-Id: Ic5d393bfd36e48a193fcffff13b9c9b3923443dd Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/gui/image/qpnghandler.cpp')
-rw-r--r--src/gui/image/qpnghandler.cpp11
1 files changed, 1 insertions, 10 deletions
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp
index d09ed0fda7..c19bc52a97 100644
--- a/src/gui/image/qpnghandler.cpp
+++ b/src/gui/image/qpnghandler.cpp
@@ -157,10 +157,6 @@ public:
};
-#if defined(Q_C_CALLBACKS)
-extern "C" {
-#endif
-
class QPNGImageWriter {
public:
explicit QPNGImageWriter(QIODevice*);
@@ -190,6 +186,7 @@ private:
float gamma;
};
+extern "C" {
static
void CALLBACK_CALL_TYPE iod_read_fn(png_structp png_ptr, png_bytep data, png_size_t length)
{
@@ -234,9 +231,7 @@ void CALLBACK_CALL_TYPE qpiw_flush_fn(png_structp /* png_ptr */)
{
}
-#if defined(Q_C_CALLBACKS)
}
-#endif
static
void setup_qt(QImage& image, png_structp png_ptr, png_infop info_ptr, QSize scaledSize, bool *doScaledRead, float screen_gamma=0.0)
@@ -492,17 +487,13 @@ static void read_image_scaled(QImage *outImage, png_structp png_ptr, png_infop i
}
-#if defined(Q_C_CALLBACKS)
extern "C" {
-#endif
static void CALLBACK_CALL_TYPE qt_png_warning(png_structp /*png_ptr*/, png_const_charp message)
{
qWarning("libpng warning: %s", message);
}
-#if defined(Q_C_CALLBACKS)
}
-#endif
void Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngTexts(png_info *info)