[Meshdb-cvs] src/vpf/gdps draw.c,1.6,1.6.2.1 main.c,1.4,1.4.2.1

[<le...@pr...>]

Update of /cvsroot/meshdb/src/vpf/gdps
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3395

Modified Files:
      Tag: leonard-dev
	draw.c main.c 
Log Message:
more alpha channel support

Index: draw.c
===================================================================
RCS file: /cvsroot/meshdb/src/vpf/gdps/draw.c,v
retrieving revision 1.6
retrieving revision 1.6.2.1
diff -u -d -r1.6 -r1.6.2.1
--- draw.c	25 Nov 2003 07:10:34 -0000	1.6
+++ draw.c	23 Jan 2005 05:07:52 -0000	1.6.2.1
@@ -49,10 +49,11 @@
 	int col;
 
 	gdImageSetThickness(gs->im, gs->linewidth);
-	col = gdImageColorAllocate(gs->im, 
+	col = gdImageColorAllocateAlpha(gs->im, 
 		255 * (gs->color.r),
 		255 * (gs->color.g),
-		255 * (gs->color.b));
+		255 * (gs->color.b),
+		255 * (gs->color.a));
 	return col;
 }
 

Index: main.c
===================================================================
RCS file: /cvsroot/meshdb/src/vpf/gdps/main.c,v
retrieving revision 1.4
retrieving revision 1.4.2.1
diff -u -d -r1.4 -r1.4.2.1
--- main.c	22 Oct 2003 06:26:58 -0000	1.4
+++ main.c	23 Jan 2005 05:07:52 -0000	1.4.2.1
@@ -28,6 +28,7 @@
 	char *s;
 	int ch;
 	int error = 0;
+	gdImagePtr image;
 
 	/* Parse command line arguments */
 	while ((ch = getopt(argc, argv, "dg:")) != -1) 
@@ -55,8 +56,13 @@
 		exit(1);
 	}
 
+	/* Create an image buffer */
+	image = gdImageCreateTrueColor(width, height);
+	gdImageSaveAlpha(image, 1);	/* keep alpha vlaues in output */
+	gdImageAlphaBlending(image, 0);
+
 	/* Set up initial global state and erase the page */
-	gstate_init(&gs, gdImageCreate(width, height));
+	gstate_init(&gs, image);
 	run_name(&gs, "erasepage");
 
 	/* Run standard input */