1 files changed, 23 insertions, 0 deletions
diff --git a/dmagick/c/monitor.d b/dmagick/c/monitor.d
new file mode 100644
index 0000000..6d0651e
--- /dev/null
+++ b/dmagick/c/monitor.d
@@ -0,0 +1,23 @@
+module dmagick.c.monitor;
+
+import dmagick.c.image;
+import dmagick.c.magickType;
+
+extern(C)
+{
+	alias MagickBooleanType function(const char*, const MagickOffsetType, const MagickSizeType, void*) MagickProgressMonitor;
+
+	MagickProgressMonitor SetImageProgressMonitor(Image*, const MagickProgressMonitor, void*);
+	MagickProgressMonitor SetImageInfoProgressMonitor(ImageInfo*, const MagickProgressMonitor, void*);
+}
+
+static pure nothrow MagickBooleanType QuantumTick(const MagickOffsetType offset, const MagickSizeType span)
+{
+	if (span <= 100)
+		return(true);
+	if (offset == cast(MagickOffsetType) (span-1))
+		return(true);
+	if ((offset % (span/100)) == 0)
+		return(true);
+	return(false);
+}