libpipi: improve GDI+ codec cross-compilation.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3076 92316355-f0b4-4df1-b90c-862c8a59935f

build-win32

@@ -25,10 +25,6 @@ cd "${BUILDDIR}"
 make pkglibdir=/lib pkgdatadir=/data bindir=/bin
 # Install into our private directory
 make install DESTDIR="${INSTALLDIR}" pkglibdir=/lib/ pkgdatadir=/ bindir=/bin/
-# Create a launcher
-echo 'int main(int argc, char *argv[], char *envp[]) { argv[0] = ".\\bin\\ThePimp.exe"; execve(argv[0], argv, envp); return 0; }' > run.c
-i586-mingw32msvc-gcc run.c -mwindows -o "${INSTALLDIR}/ThePimp.exe"
-i586-mingw32msvc-strip "${INSTALLDIR}/ThePimp.exe"
 # Clean up
 cd "${SRCDIR}"
 rm -Rf "${BUILDDIR}"
@@ -44,6 +40,13 @@ find "${INSTALLDIR}/" -name .svn -prune -exec rm -rf '{}' ';'
 mv "${INSTALLDIR}/lib/mono/gac/pipi-sharp/"*/* "${INSTALLDIR}/bin/"
 rm -Rf "${INSTALLDIR}/lib/mono"
 
+# Install The Pimp
+mv "${INSTALLDIR}/lib/ThePimp.exe" "${INSTALLDIR}/bin/"
+echo 'int main(int argc, char *argv[], char *envp[]) { argv[0] = ".\\bin\\ThePimp.exe"; execve(argv[0], argv, envp); return 0; }' > run.c
+i586-mingw32msvc-gcc run.c -mwindows -o "${INSTALLDIR}/ThePimp.exe"
+i586-mingw32msvc-strip "${INSTALLDIR}/ThePimp.exe"
+
+# Install documentation
 mkdir "${INSTALLDIR}/doc"
 for f in COPYING NOTES; do
    sed -e 's/$/
/' < "${SRCDIR}/${f}" > "${INSTALLDIR}/doc/${f}.txt"

pipi/Makefile.am

@@ -113,7 +113,7 @@ codec_sources += codec/gdi.c
 endif
 
 if USE_GDIPLUS
-codec_libs += -lgdiplus
+codec_libs += -Wl,--exclude-symbols,$$(printf '\x7f')gdiplus_NULL_THUNK_DATA -lgdiplus
 codec_sources += codec/gdiplus.cpp
 endif
 

pipi/codec/gdiplus.cpp

@@ -33,11 +33,10 @@ extern "C" {
 
 extern "C" pipi_image_t *pipi_load_gdiplus(const char *name)
 {
-#if 0
     size_t len;
     len = mbstowcs(NULL, name, 0);
     wchar_t *wname = new wchar_t[len + 1];
-    if(mbstowcs(wname, name, len + 1) != (size_t)-1)
+    if(mbstowcs(wname, name, len + 1) == (size_t)-1)
     {
         delete[] wname;
         return NULL;
@@ -78,13 +77,10 @@ extern "C" pipi_image_t *pipi_load_gdiplus(const char *name)
     img->u8 = 1;
 
     return img;
-#endif
-return NULL;
 }
 
 extern "C" int pipi_save_gdiplus(pipi_image_t *img, const char *name)
 {
-#if 0
     wchar_t const *fmt;
     if(strstr(name, ".gif"))
         fmt = L"image/gif";
@@ -117,7 +113,7 @@ extern "C" int pipi_save_gdiplus(pipi_image_t *img, const char *name)
     size_t len;
     len = mbstowcs(NULL, name, 0);
     wchar_t *wname = new wchar_t[len + 1];
-    if(mbstowcs(wname, name, len + 1) != (size_t)-1)
+    if(mbstowcs(wname, name, len + 1) == (size_t)-1)
     {
         delete[] wname;
         return -1;
@@ -154,7 +150,6 @@ extern "C" int pipi_save_gdiplus(pipi_image_t *img, const char *name)
     delete[] wname;
     delete b;
 
-#endif
     return 0;
 }