missing fils from yesterday comit.

must have made some mistake with git,
not sure why they were not sent..

2 files changed, 21 insertions, 0 deletions

diff --git a/core/image.cpp b/core/image.cpp
index d9ba6c1594..ae9fb0adc4 100644
--- a/core/image.cpp
+++ b/core/image.cpp
@@ -1998,6 +1998,26 @@ void Image::set_compress_bc_func(void (*p_compress_func)(Image *)) {
 
 
 
+void Image::normalmap_to_xy() {
+
+	convert(Image::FORMAT_RGBA);
+
+	{
+		int len = data.size()/4;
+		DVector<uint8_t>::Write wp = data.write();
+		unsigned char *data_ptr=wp.ptr();
+
+		for(int i=0;i<len;i++) {
+
+			data_ptr[(i<<2)+3]=data_ptr[(i<<2)+0]; //x to w
+			data_ptr[(i<<2)+0]=data_ptr[(i<<2)+1]; //y to xz
+			data_ptr[(i<<2)+2]=data_ptr[(i<<2)+1];
+		}
+	}
+
+	convert(Image::FORMAT_GRAYSCALE_ALPHA);
+}
+
 void Image::srgb_to_linear() {
 
 	if (data.size()==0)
diff --git a/core/image.h b/core/image.h
index 31a815c587..0084a3616f 100644
--- a/core/image.h
+++ b/core/image.h
@@ -333,6 +333,7 @@ public:
 	void fix_alpha_edges();
 	void premultiply_alpha();
 	void srgb_to_linear();
+	void normalmap_to_xy();
 
 	void blit_rect(const Image& p_src, const Rect2& p_src_rect,const Point2& p_dest);
 	void brush_transfer(const Image& p_src, const Image& p_brush, const Point2& p_dest);