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public class HelloWorld
{
public static void Main(string[] args)
{
System.Console.WriteLine("MuPDF C# test starting.");
// Check FZ_ENABLE_FB2.
System.Console.WriteLine("FZ_VERSION=" + mupdf.mupdf.FZ_VERSION);
System.Console.WriteLine("FZ_ENABLE_FB2=" + mupdf.mupdf.FZ_ENABLE_FB2);
// Check we can load a document.
mupdf.FzDocument document = new mupdf.FzDocument("zlib.3.pdf");
System.Console.WriteLine("document: " + document);
System.Console.WriteLine("num chapters: " + document.fz_count_chapters());
mupdf.FzPage page = document.fz_load_page(0);
mupdf.FzRect rect = page.fz_bound_page();
System.Console.WriteLine("rect: " + rect);
if ("" + rect != rect.to_string())
{
throw new System.Exception("rect ToString() is broken: '" + rect + "' != '" + rect.to_string() + "'");
}
// Test conversion to html using docx device.
var buffer = page.fz_new_buffer_from_page_with_format(
"docx",
"html",
new mupdf.FzMatrix(1, 0, 0, 1, 0, 0),
new mupdf.FzCookie()
);
var data = buffer.fz_buffer_extract();
var s = System.Text.Encoding.UTF8.GetString(data, 0, data.Length);
if (s.Length < 100) {
throw new System.Exception("HTML text is too short");
}
System.Console.WriteLine("s=" + s);
// Check that previous buffer.fz_buffer_extract() cleared the buffer.
data = buffer.fz_buffer_extract();
s = System.Text.Encoding.UTF8.GetString(data, 0, data.Length);
if (s.Length > 0) {
throw new System.Exception("Buffer was not cleared.");
}
// Check we can create pixmap from page.
var pixmap = page.fz_new_pixmap_from_page_contents(
new mupdf.FzMatrix(1, 0, 0, 1, 0, 0),
new mupdf.FzColorspace(mupdf.FzColorspace.Fixed.Fixed_RGB),
0 /*alpha*/
);
// Check returned tuple from bitmap.fz_bitmap_details().
var w = 100;
var h = 200;
var n = 4;
var xres = 300;
var yres = 300;
var bitmap = new mupdf.FzBitmap(w, h, n, xres, yres);
(var w2, var h2, var n2, var stride) = bitmap.fz_bitmap_details();
System.Console.WriteLine("bitmap.fz_bitmap_details() returned:"
+ " " + w2 + " " + h2 + " " + n2 + " " + stride);
if (w2 != w || h2 != h) {
throw new System.Exception("Unexpected tuple values from bitmap.fz_bitmap_details().");
}
// Check we get exception from MuPDF. As of 2024-06-14 this exception
// does not contain the original MuPDF exception text, it just says
// "External component has thrown an exception."
//
// We only do this test if not running on Mono - Mono fails
// with:
//
// > terminate called after throwing an instance of
// > 'mupdf::FzErrorSystem'
//
if (System.Type.GetType("Mono.Runtime") == null)
{
int received_exception = 0;
try
{
mupdf.FzDocument document2 = new mupdf.FzDocument("does not exist");
System.Console.WriteLine("*** Error, did not get expected exception.");
}
catch (System.Exception e)
{
received_exception = 1;
System.Console.WriteLine("Received exception: " + e.Message);
}
if (received_exception != 1)
{
throw new System.Exception("Did not receive expected exception");
}
}
else
{
System.Console.WriteLine("Not checking handling of exceptions because running on Mono.");
}
// Check we can make MuPDF open filename containing 4-byte
// unicode character. This file will have been created by
// `scripts/wrap/__main__.py --test-csharp`.
byte[] text_utf8 =
{
0xf0,
0x90,
0x90,
0xb7,
};
string testfile2 = "zlib.3.pdf"
+ System.Text.Encoding.UTF8.GetString(text_utf8)
+ ".pdf";
System.Console.WriteLine("Opening testfile2: " + testfile2);
try
{
mupdf.FzDocument document2 = new mupdf.FzDocument(testfile2);
System.Console.WriteLine("new mupdf.FzDocument succeeded");
}
catch (System.Exception e)
{
System.Console.WriteLine("Exception: " + e.Message);
throw new System.Exception("Failed to open filename containing 4-byte unicode character");
}
System.Console.WriteLine("MuPDF C# test finished.");
}
}
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