1 files changed, 135 insertions, 0 deletions
diff --git a/src/cd/cdtext.c b/src/cd/cdtext.c
new file mode 100644
index 0000000..c540a69
--- /dev/null
+++ b/src/cd/cdtext.c
@@ -0,0 +1,135 @@
+/* 
+ * cdtext is an example program that uses the text attribute commands
+ * cdSetTextPath and cdSetTextOrient
+ *
+
+ cdtext.c: test program for the cgmdraw module.
+
+        Written by G. Edward Johnson <mailto:lorax@nist.gov>
+        Date: May 1996
+        Copyright: cd software produced by NIST, an agency of the 
+	U.S. government, is by statute not subject to copyright
+	in the United States. Recipients of this software assume all 
+	responsibilities associated with its operation, modification
+	and maintenance.
+
+*/
+
+
+#include <malloc.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include <stdlib.h>
+#include "defines.h"
+#include "cd.h"
+
+
+int main () {
+
+	/* you must create a pointer to the image(s) that you will be using
+	 * not suprisingly, it is of type cdImagePtr */
+	cdImagePtr im;
+
+	/* this is a pointer to the output file you will be using */
+	FILE *outf;
+
+	/* these will be index's into the color palette containing
+	 * the corresponding colors */
+	int black, white, blue;
+
+
+	/* Create an image 800 pixels wide by 400 pixels high */
+	im = cdImageCreate(800, 400);
+
+	/* allocate some colors (isn't this fun?) */
+	/* the first color allocated is the background color */
+	white = cdImageColorAllocate (im, 255,255,255);
+	black = cdImageColorAllocate(im, 0, 0, 0);
+	blue = cdImageColorAllocate(im, 0, 0, 255);
+
+
+	/* set the text attributes */
+	/* font, colorindex, and size respectivily */
+
+	/* font is the style the text is written in. 1 is for Times,
+	 * 5 is for Helvetica. */
+	/* we will have black text for this one */
+	/* Size is a tough one,  but larger numbers give larger text.
+	 */
+	if (!(cdSetTextAttrib(im, 5, black, 20))) return 0;
+
+	/* Set some line attributes,  lets make lines solid, width 1, and blue
+	 */
+	if (!(cdSetLineAttrib(im, 1, 1, blue))) return 0;
+
+	/* Draw a couple of grid lines */
+	if (!(cdLine(im, 0,200,799,200))) return 0;
+	if (!(cdLine(im, 200,0,200,399))) return 0;
+	if (!(cdLine(im, 600,0,600,399))) return 0;
+
+
+	/* Show Text going left, up, down, and right, all starting
+	 * from the same point */
+
+	/* Text going to the left */
+	if (!(cdSetTextPath(im, 1))) return 0;
+	if (!(cdText(im, 200, 200, "Text Left"))) return 0;
+	
+	/* Text going UP */
+	if (!(cdSetTextPath(im, 2))) return 0;
+	if (!(cdText(im, 200, 200, "Text Up"))) return 0;
+	
+	/* Text going DOWN */
+	if (!(cdSetTextPath(im, 3))) return 0;
+	if (!(cdText(im, 200, 200, "Text Down"))) return 0;
+
+	/* Text going to the RIGHT */
+	if (!(cdSetTextPath(im, 0))) return 0;
+	if (!(cdText(im, 200, 200, "Text Right"))) return 0;
+
+	/* Show text going at an angle of 0, 45, 90, 135, 180 Degrees
+	 */
+
+	/* Text at no angle */
+	if (!(cdText(im, 600, 200, "CGM Draw"))) return 0;
+
+	/* Text, 45 Degree Angle */
+	if (!(cdSetTextOrient(im, -1, 1, 1, 1))) return 0;
+	if (!(cdText(im, 600, 200, "CGM Draw"))) return 0;
+
+	/* Text, 90 Degree Angle */
+	if (!(cdSetTextOrient(im, -1, 0, 0, 1))) return 0;
+	if (!(cdText(im, 600, 200, "CGM Draw"))) return 0;
+
+	/* Text, 135 Degree Angle */
+	if (!(cdSetTextOrient(im, -1, -1, -1, 1))) return 0;
+	if (!(cdText(im, 600, 200, "CGM Draw"))) return 0;
+
+	/* Text, 180 Degree Angle */
+	if (!(cdSetTextOrient(im, 0, -1, -1, 0))) return 0;
+	if (!(cdText(im, 600, 200, "CGM Draw"))) return 0;
+
+	/* reset the text to 0 angle */
+	if (!(cdSetTextOrient(im, 0, 1, 1, 0))) return 0;
+
+	
+	if (!(cdSetTextAttrib(im, 5, -1, -1))) return 0;
+	if (!(cdText(im, 5, 5, "G. Edward Johnson"))) return 0;
+
+	/* now write the file out, lets call it cdtext.cgm */
+	outf = fopen("cdtext.cgm", "wb");
+	if (!outf) return 0;
+	cdImageCgm(im, outf);
+	fclose(outf);
+	outf = 0;
+
+	/* Remember to destroy the image when you are done */
+	cdImageDestroy(im);
+	im = 0;
+
+	printf("CGM Text Example!!!\n");
+
+	return 1;
+
+}