Add libraw: library for processing raw image files

Let's keep jasper disabled for now, as it produces build errors:

    /mnt/Lavoro/mxe/mxe/usr/x86_64-w64-mingw32.shared/include/jasper/jas_math.h:
    In function 'bool jas_safe_intfast32_mul(int_fast32_t, int_fast32_t,
                                             int_fast32_t*)':
    /mnt/Lavoro/mxe/mxe/usr/x86_64-w64-mingw32.shared/include/jasper/jas_math.h:241:12:
    error: 'INT_FAST32_MAX' was not declared in this scope
        if (x > INT_FAST32_MAX / y) {
                        ^

It's not a required dependency, but we might want to add it later if
someone asks for it (and can provide a solution).

1 files changed, 18 insertions, 0 deletions

diff --git a/src/libraw-test.cpp b/src/libraw-test.cpp
new file mode 100644
index 0000000..1382bd5
--- /dev/null
+++ b/src/libraw-test.cpp
@@ -0,0 +1,18 @@
+/*
+ * This file is part of MXE. See LICENSE.md for licensing information.
+ */
+
+#include <iostream>
+#include <libraw.h>
+
+int main(int argc, char *argv[])
+{
+    (void)argc;
+    (void)argv;
+
+    LibRaw libRaw;
+    std::cout << "This is libraw version " << libRaw.version() << std::endl;
+    std::cout << libRaw.cameraCount() << " cameras supported." << std::endl;
+
+    return 0;
+}