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/*
* 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 "gltk.h"
GLenum rgb, doubleBuffer, directRender, windType;
int windX, windY;
int cursor;
GLubyte shape[] = {
0x00, 0x00,
0x7F, 0xFE,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x40, 0x02,
0x7F, 0xFE,
0x00, 0x00
};
GLubyte mask[] = {
0xFF, 0xFF,
0xFF, 0xFF,
0xFF, 0xFF,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xE0, 0x07,
0xFF, 0xFF,
0xFF, 0xFF,
0xFF, 0xFF
};
static void Init(void)
{
int i;
for (i = TK_BLACK; i <= TK_WHITE; i++) {
tkNewCursor(i, shape, mask, i, TK_WHITE, 0, 0);
}
for (i = TK_BLACK; i <= TK_WHITE; i++) {
tkNewCursor(i+TK_WHITE, shape, mask, TK_WHITE, i, 0, 0);
}
cursor = TK_BLACK;
tkSetCursor(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 GLenum Key(int key, GLenum mask)
{
switch (key) {
case TK_ESCAPE:
tkQuit();
case TK_SPACE:
cursor++;
if (cursor > TK_WHITE*2) {
cursor = TK_BLACK;
}
tkSetCursor(cursor);
default:
return GL_FALSE;
}
return GL_TRUE;
}
static void Draw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_POLYGON);
TK_SETCOLOR(windType, TK_BLACK);
glVertex2i(0, 0);
TK_SETCOLOR(windType, TK_RED);
glVertex2i(windX, 0);
TK_SETCOLOR(windType, TK_GREEN);
glVertex2i(windX, windY);
TK_SETCOLOR(windType, TK_BLUE);
glVertex2i(0, windY);
glEnd();
glFlush();
if (doubleBuffer) {
tkSwapBuffers();
}
}
static GLenum Args(int argc, char **argv)
{
GLint i;
rgb = GL_TRUE;
doubleBuffer = GL_FALSE;
directRender = GL_TRUE;
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 if (strcmp(argv[i], "-dr") == 0) {
directRender = GL_TRUE;
} else if (strcmp(argv[i], "-ir") == 0) {
directRender = GL_FALSE;
} else {
printf("%s (Bad option).\n", argv[i]);
return GL_FALSE;
}
}
return GL_TRUE;
}
void main(int argc, char **argv)
{
if (Args(argc, argv) == GL_FALSE) {
tkQuit();
}
windX = 300;
windY = 300;
tkInitPosition(0, 0, windX, windY);
windType = (rgb) ? TK_RGB : TK_INDEX;
windType |= (doubleBuffer) ? TK_DOUBLE : TK_SINGLE;
windType |= (directRender) ? TK_DIRECT : TK_INDIRECT;
tkInitDisplayMode(windType);
if (tkInitWindow("Cursor Test") == GL_FALSE) {
tkQuit();
}
Init();
tkExposeFunc(Reshape);
tkReshapeFunc(Reshape);
tkKeyDownFunc(Key);
tkDisplayFunc(Draw);
tkExec();
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.