X-Git-Url: https://cinelerra-gg.org/git/?a=blobdiff_plain;ds=sidebyside;f=cinelerra-5.1%2Fcinelerra%2Foverlaydirect.h;fp=cinelerra-5.1%2Fcinelerra%2Foverlaydirect.h;h=ebdc30f883f1e3a489ecadfaec9bd29bd76da8c0;hb=15411d7912d8aa1b9bea6ba8862517b058861771;hp=0000000000000000000000000000000000000000;hpb=cb1a1530246ad67fb9be9aa2dbba5b88eb63e933;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/cinelerra/overlaydirect.h b/cinelerra-5.1/cinelerra/overlaydirect.h
new file mode 100644
index 00000000..ebdc30f8
--- /dev/null
+++ b/cinelerra-5.1/cinelerra/overlaydirect.h
@@ -0,0 +1,30 @@
+#ifndef __OVERLAYDIRECT_H__
+#define __OVERLAYDIRECT_H__
+#include "overlayframe.h"
+
+#define XBLEND(FN, temp_type, type, max, components, ofs, round) { \
+	temp_type opcty = fade * max + round, trnsp = max - opcty; \
+	type** output_rows = (type**)output->get_rows(); \
+	type** input_rows = (type**)input->get_rows(); \
+	ix *= components;  ox *= components; \
+ \
+	for( int i=pkg->out_row1; i<pkg->out_row2; ++i ) { \
+		type* in_row = input_rows[i + iy] + ix; \
+		type* output = output_rows[i] + ox; \
+		for( int j=ow; --j>=0; ) { \
+			if( components == 4 ) { \
+				temp_type r, g, b, a; \
+				ALPHA4_BLEND(FN, temp_type, in_row, output, max, ofs, ofs, round); \
+				ALPHA4_STORE(output, ofs, max); \
+			} \
+			else { \
+				temp_type r, g, b; \
+				ALPHA3_BLEND(FN, temp_type, in_row, output, max, ofs, ofs, round); \
+				ALPHA3_STORE(output, ofs, max); \
+			} \
+			in_row += components;  output += components; \
+		} \
+	} \
+} break
+
+#endif