1 files changed, 12 insertions, 0 deletions
diff --git a/plugins/dexela/software-roi.c b/plugins/dexela/software-roi.c
new file mode 100644
index 0000000..6056dec
--- /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,  guint bytesPerPixel, guchar* dest, guint x, guint y, guint roiWidth, guint roiHeight)
+{
+    for (guint row = 0; row < roiHeight; row++) {
+        guint roiWidthInBytes = roiWidth * bytesPerPixel;
+        guint rowOffset = srcWidth * bytesPerPixel * (y + row);
+        guint offset = rowOffset + x * bytesPerPixel;
+        memcpy(dest + row * roiWidthInBytes, src + offset, roiWidthInBytes);
+    }
+}