X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Flumas%2Fluma.c;h=088961229c35ab91a6fed3ad574d0c80f0b24a5c;hb=61a1fd80791f7ff2042756814b2868c797426b9a;hp=76f927a1d1ca9c1bb99285c5c321a327ff294ff8;hpb=24fd9b1360d877a8db8b3ef472c7651ec2cf71a2;p=melted

diff --git a/src/modules/lumas/luma.c b/src/modules/lumas/luma.c
index 76f927a..0889612 100644
--- a/src/modules/lumas/luma.c
+++ b/src/modules/lumas/luma.c
@@ -1,3 +1,23 @@
+/*
+ * luma.c -- image generator for transition_luma
+ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
+ * Author: Charles Yates <charles.yates@pandora.be>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -20,11 +40,13 @@ typedef struct
 	int pflip;
 	int pflop;
 	int quart;
+	int rotate;
 }
 luma;
 
 void luma_init( luma *this )
 {
+	memset( this, 0, sizeof( luma ) );
 	this->type = 0;
 	this->w = 720;
 	this->h = 576;
@@ -79,6 +101,13 @@ uint16_t *luma_render( luma *this )
 		this->h *= 2;
 	}
 
+	if ( this->rotate )
+	{
+		int t = this->w;
+		this->w = this->h;
+		this->h = t;
+	}
+
 	int max = ( 1 << 16 ) - 1;
 	uint16_t *image = malloc( this->w * this->h * sizeof( uint16_t ) );
 	uint16_t *end = image + this->w * this->h;
@@ -298,6 +327,26 @@ uint16_t *luma_render( luma *this )
 		}
 	}
 
+	if ( this->rotate )
+	{
+		uint16_t *image2 = malloc( this->w * this->h * sizeof( uint16_t ) );
+		for ( i = 0; i < this->h; i ++ )
+		{
+			p = image + i * this->w;
+			r = image2 + this->h - i - 1;
+			for ( j = 0; j < this->w; j ++ )
+			{
+				*r = *( p ++ );
+				r += this->h;
+			}
+		}
+		i = this->w;
+		this->w = this->h;
+		this->h = i;
+		free( image );
+		image = image2;
+	}
+
 	return image;
 }
 
@@ -345,6 +394,8 @@ int main( int argc, char **argv )
 			this.pflop = atoi( argv[ ++ arg ] );
 		else if ( !strcmp( argv[ arg ], "-quart" ) )
 			this.quart = atoi( argv[ ++ arg ] );
+		else if ( !strcmp( argv[ arg ], "-rotate" ) )
+			this.rotate = atoi( argv[ ++ arg ] );
 		else
 			fprintf( stderr, "ignoring %s\n", argv[ arg ] );
 	}