From afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1c Mon Sep 17 00:00:00 2001
From: jtg <jtg>
Date: Thu, 19 Aug 1999 00:55:39 +0000
Subject: Initial revision

---
 progs/samples/cursor.c | 150 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 progs/samples/cursor.c

(limited to 'progs/samples/cursor.c')

diff --git a/progs/samples/cursor.c b/progs/samples/cursor.c
new file mode 100644
index 0000000000..de8fc58556
--- /dev/null
+++ b/progs/samples/cursor.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the name of
+ * Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
+ * ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <GL/glut.h>
+
+
+GLenum rgb, doubleBuffer, windType;
+int windX, windY;
+int cursor;
+
+
+#include "tkmap.c"
+
+static void Init(void)
+{
+    cursor = 0;
+    glutSetCursor(cursor);
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClearIndex(0.0);
+}
+
+static void Reshape(int width, int height)
+{
+
+    windX = width;
+    windY = height;
+    glViewport(0, 0, windX, windY);
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluOrtho2D(0, windX, 0, windY);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+static void Key(unsigned char key, int x, int y)
+{
+
+    switch (key) {
+      case 27:
+        exit(1);
+      case 32:
+	cursor++;
+	if (cursor > 19) {
+	    cursor = 0;
+	}
+	glutSetCursor(cursor);
+    }
+}
+
+static void Draw(void)
+{
+
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glBegin(GL_POLYGON);
+	SetColor(COLOR_BLACK);
+	glVertex2i(0, 0);
+	SetColor(COLOR_RED);
+	glVertex2i(windX, 0);
+	SetColor(COLOR_GREEN);
+	glVertex2i(windX, windY);
+	SetColor(COLOR_BLUE);
+	glVertex2i(0, windY);
+    glEnd();
+
+    glFlush();
+
+    if (doubleBuffer) {
+	glutSwapBuffers();
+    }
+}
+
+static GLenum Args(int argc, char **argv)
+{
+    GLint i;
+
+    rgb = GL_TRUE;
+    doubleBuffer = GL_FALSE;
+
+    for (i = 1; i < argc; i++) {
+	if (strcmp(argv[i], "-ci") == 0) {
+	    rgb = GL_FALSE;
+	} else if (strcmp(argv[i], "-rgb") == 0) {
+	    rgb = GL_TRUE;
+	} else if (strcmp(argv[i], "-sb") == 0) {
+	    doubleBuffer = GL_FALSE;
+	} else if (strcmp(argv[i], "-db") == 0) {
+	    doubleBuffer = GL_TRUE;
+	} else {
+	    printf("%s (Bad option).\n", argv[i]);
+	    return GL_FALSE;
+	}
+    }
+    return GL_TRUE;
+}
+
+int main(int argc, char **argv)
+{
+    glutInit(&argc, argv);
+
+    if (Args(argc, argv) == GL_FALSE) {
+	exit(1);
+    }
+
+    windX = 300;
+    windY = 300;
+    glutInitWindowPosition(0, 0); glutInitWindowSize( windX, windY);
+
+    windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
+    windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
+    glutInitDisplayMode(windType);
+
+    if (glutCreateWindow("Cursor Test") == GL_FALSE) {
+	exit(1);
+    }
+
+    InitMap();
+
+    Init();
+
+    glutReshapeFunc(Reshape);
+    glutKeyboardFunc(Key);
+    glutDisplayFunc(Draw);
+    glutMainLoop();
+	return 0;
+}
-- 
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