public static bool stbi_loadfromfilex(String filename, Action <IntPtr, int, int, int> callback, out int x, out int y, out int comp, int req_comp = 0)
{
var ptr = IntPtr.Zero;
x = 0;
y = 0;
comp = 0;
try {
ptr = stbi_load(filename, out x, out y, out comp, req_comp);
if (callback != null)
{
callback(ptr, x, y, comp);
}
} catch (Exception e) {
if (!(e is DllNotFoundException))
{
UDebug.LogException(e);
}
} finally {
if (ptr != IntPtr.Zero)
{
stbi_image_free(ptr);
}
}
return(ptr != IntPtr.Zero);
}
public static Byte[] stbi_loadfromfile(String filename, out int x, out int y, out int comp, int req_comp = 0)
{
Byte[] data = null;
var ptr = IntPtr.Zero;
x = 0;
y = 0;
comp = 0;
try {
ptr = stbi_load(filename, out x, out y, out comp, req_comp);
if (ptr != IntPtr.Zero)
{
var size = x * y * comp;
if (size > 0)
{
data = new byte[size];
Marshal.Copy(ptr, data, 0, size);
}
}
} catch (Exception e) {
if (!(e is DllNotFoundException))
{
UDebug.LogException(e);
}
} finally {
if (ptr != IntPtr.Zero)
{
stbi_image_free(ptr);
}
else
{
var errorPtr = stbi_failure_reason();
for ( ; ;)
{
if (errorPtr != IntPtr.Zero)
{
var error = Marshal.PtrToStringAnsi(errorPtr);
if (!String.IsNullOrEmpty(error))
{
UDebug.LogError("stbi_loadfromfile failed: {0}", error);
break;
}
}
UDebug.LogError("stbi_loadfromfile failed: reason unknown.");
break;
}
}
}
return(data);
}