From f39be2686446c41a5fbf93eba7fb40ca99efcc3a Mon Sep 17 00:00:00 2001
From: Mihael Koep <koep@schneide.com>
Date: Tue, 9 Sep 2014 13:57:32 +0200
Subject: Add software roi feature to dexela plugin

---
 plugins/dexela/software-roi.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 plugins/dexela/software-roi.c

(limited to 'plugins/dexela/software-roi.c')

diff --git a/plugins/dexela/software-roi.c b/plugins/dexela/software-roi.c
new file mode 100644
index 0000000..74baa96
--- /dev/null
+++ b/plugins/dexela/software-roi.c
@@ -0,0 +1,12 @@
+#include "software-roi.h"
+#include <string.h>
+
+void apply_software_roi(const guchar* src, guint srcWidth, guchar* dest, guint x, guint y, guint roiWidth, guint roiHeight)
+{
+    for (guint row = 0; row < roiHeight; row++) {
+        guint rowOffset = srcWidth * (y + row);
+        guint offset = rowOffset + x;
+        memcpy(dest + row * roiWidth, src + offset, roiWidth);
+    }
+}
+
-- 
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