render api utility function to initialize a render layer from an image rather then loading through python.

	lay = result.layers[0]
	lay.rect_from_file("somefile.png", part.x, part.y)

If the source image is bigger then the render layer x/y offsets can be used to choose the part of the image use.

1 files changed, 11 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_render.c b/source/blender/makesrna/intern/rna_render.c
index 89c48230357..7268d560282 100644
--- a/source/blender/makesrna/intern/rna_render.c
+++ b/source/blender/makesrna/intern/rna_render.c
@@ -297,10 +297,21 @@ static void rna_def_render_layer(BlenderRNA *brna)
 {
 	StructRNA *srna;
 	PropertyRNA *prop;
+	FunctionRNA *func;
 	
 	srna= RNA_def_struct(brna, "RenderLayer", NULL);
 	RNA_def_struct_ui_text(srna, "Render Layer", "");
 
+	func= RNA_def_function(srna, "rect_from_file", "RE_layer_rect_from_file");
+	RNA_def_function_ui_description(func, "Copies the pixels of this renderlayer from an image file.");
+	RNA_def_function_flag(func, FUNC_USE_REPORTS);
+	prop= RNA_def_string(func, "filename", "", 0, "Filename", "Filename to load into this render tile, must be no smaller then the renderlayer");
+	RNA_def_property_flag(prop, PROP_REQUIRED);
+	prop= RNA_def_int(func, "x", 0, 0, INT_MAX, "Offset X", "Offset the position to copy from if the image is larger then the render layer", 0, INT_MAX);
+	RNA_def_property_flag(prop, PROP_REQUIRED);
+	prop= RNA_def_int(func, "y", 0, 0, INT_MAX, "Offset Y", "Offset the position to copy from if the image is larger then the render layer", 0, INT_MAX);
+	RNA_def_property_flag(prop, PROP_REQUIRED);
+	
 	RNA_define_verify_sdna(0);
 
 	rna_def_render_layer_common(srna, 0);