windows-nt/Source/XPSP1/NT/multimedia/opengl/toolkits/libaux/glaux.c
2020-09-26 16:20:57 +08:00

393 lines
10 KiB
C

/*
* (c) Copyright 1993, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both the copyright notice
* and this permission notice appear in supporting documentation, and that
* the name of Silicon Graphics, Inc. not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission.
*
* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "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, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
*
* US Government Users Restricted Rights
* Use, duplication, or disclosure by the Government is subject to
* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
* (c)(1)(ii) of the Rights in Technical Data and Computer Software
* clause at DFARS 252.227-7013 and/or in similar or successor
* clauses in the FAR or the DOD or NASA FAR Supplement.
* Unpublished-- rights reserved under the copyright laws of the
* United States. Contractor/manufacturer is Silicon Graphics,
* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include <GL/gl.h>
#include <gl/glaux.h>
#include "tk.h"
#define static
#if defined(__cplusplus) || defined(c_plusplus)
#define class c_class
#endif
static struct {
int keyField;
void (*KeyFunc)(void);
} keyTable[200];
static struct {
int mouseField;
void (*MouseFunc)(AUX_EVENTREC *);
} mouseDownTable[20], mouseUpTable[20], mouseLocTable[20];
static int keyTableCount = 0;
static int mouseDownTableCount = 0;
static int mouseUpTableCount = 0;
static int mouseLocTableCount = 0;
static GLenum displayModeType = 0;
GLenum APIENTRY auxInitWindowAW(LPCSTR title, BOOL bUnicode);
static void DefaultHandleReshape(GLsizei w, GLsizei h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho((GLdouble)0.0, (GLdouble)w, (GLdouble)0.0, (GLdouble)h, (GLdouble)-1.0, (GLdouble)1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
static void DefaultHandleExpose(GLsizei w, GLsizei h)
{
}
static GLenum MouseLoc(int x, int y, GLenum button)
{
AUX_EVENTREC info;
GLenum flag;
int i;
flag = GL_FALSE;
for (i = 0; i < mouseLocTableCount; i++) {
if ((int)(button & AUX_LEFTBUTTON) == mouseLocTable[i].mouseField) {
info.event = AUX_MOUSELOC;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_LEFTBUTTON;
(*mouseLocTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
if ((int)(button & AUX_RIGHTBUTTON) == mouseLocTable[i].mouseField) {
info.event = AUX_MOUSELOC;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_RIGHTBUTTON;
(*mouseLocTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
if ((int)(button & AUX_MIDDLEBUTTON) == mouseLocTable[i].mouseField) {
info.event = AUX_MOUSELOC;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_MIDDLEBUTTON;
(*mouseLocTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
}
return flag;
}
static GLenum MouseUp(int x, int y, GLenum button)
{
AUX_EVENTREC info;
GLenum flag;
int i;
flag = GL_FALSE;
for (i = 0; i < mouseUpTableCount; i++) {
if ((int)(button & AUX_LEFTBUTTON) == mouseUpTable[i].mouseField) {
info.event = AUX_MOUSEUP;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_LEFTBUTTON;
(*mouseUpTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
if ((int)(button & AUX_RIGHTBUTTON) == mouseUpTable[i].mouseField) {
info.event = AUX_MOUSEUP;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_RIGHTBUTTON;
(*mouseUpTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
if ((int)(button & AUX_MIDDLEBUTTON) == mouseUpTable[i].mouseField) {
info.event = AUX_MOUSEUP;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_MIDDLEBUTTON;
(*mouseUpTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
}
return flag;
}
static GLenum MouseDown(int x, int y, GLenum button)
{
AUX_EVENTREC info;
GLenum flag;
int i;
flag = GL_FALSE;
for (i = 0; i < mouseDownTableCount; i++) {
if ((int)(button & AUX_LEFTBUTTON) == mouseDownTable[i].mouseField) {
info.event = AUX_MOUSEDOWN;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_LEFTBUTTON;
(*mouseDownTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
if ((int)(button & AUX_RIGHTBUTTON) == mouseDownTable[i].mouseField) {
info.event = AUX_MOUSEDOWN;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_RIGHTBUTTON;
(*mouseDownTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
if ((int)(button & AUX_MIDDLEBUTTON) == mouseDownTable[i].mouseField) {
info.event = AUX_MOUSEDOWN;
info.data[AUX_MOUSEX] = x;
info.data[AUX_MOUSEY] = y;
info.data[AUX_MOUSESTATUS] = AUX_MIDDLEBUTTON;
(*mouseDownTable[i].MouseFunc)(&info);
flag |= GL_TRUE;
}
}
return flag;
}
static GLenum KeyDown(int key, GLenum status)
{
GLenum flag;
int i;
flag = GL_FALSE;
if (keyTableCount) {
for (i = 0; i < keyTableCount; i++) {
if (key == keyTable[i].keyField) {
(*keyTable[i].KeyFunc)();
flag |= GL_TRUE;
}
}
}
return flag;
}
void auxExposeFunc(AUXEXPOSEPROC Func)
{
tkExposeFunc(Func);
}
void auxReshapeFunc(AUXRESHAPEPROC Func)
{
tkExposeFunc((void (*)(int, int))Func);
tkReshapeFunc((void (*)(int, int))Func);
}
void auxIdleFunc(AUXIDLEPROC Func)
{
tkIdleFunc(Func);
}
void auxKeyFunc(int key, AUXKEYPROC Func)
{
keyTable[keyTableCount].keyField = key;
keyTable[keyTableCount++].KeyFunc = Func;
}
void auxMouseFunc(int mouse, int mode, AUXMOUSEPROC Func)
{
if (mode == AUX_MOUSEDOWN) {
mouseDownTable[mouseDownTableCount].mouseField = mouse;
mouseDownTable[mouseDownTableCount++].MouseFunc = Func;
} else if (mode == AUX_MOUSEUP) {
mouseUpTable[mouseUpTableCount].mouseField = mouse;
mouseUpTable[mouseUpTableCount++].MouseFunc = Func;
} else if (mode == AUX_MOUSELOC) {
mouseLocTable[mouseLocTableCount].mouseField = mouse;
mouseLocTable[mouseLocTableCount++].MouseFunc = Func;
}
}
void auxMainLoop(AUXMAINPROC Func)
{
tkDisplayFunc(Func);
tkExec();
}
void auxInitPosition(int x, int y, int width, int height)
{
tkInitPosition(x, y, width, height);
}
void auxInitDisplayMode(GLenum type)
{
displayModeType = type;
tkInitDisplayMode(type);
}
void auxInitDisplayModePolicy(GLenum type)
{
tkInitDisplayModePolicy(type);
}
GLenum auxInitDisplayModeID(GLint id)
{
return tkInitDisplayModeID(id);
}
GLenum APIENTRY auxInitWindowA(LPCSTR title)
{
return auxInitWindowAW(title,FALSE);
}
GLenum APIENTRY auxInitWindowW(LPCWSTR title)
{
return auxInitWindowAW((LPCSTR)title,TRUE);
}
GLenum APIENTRY auxInitWindowAW(LPCSTR title, BOOL bUnicode)
{
int useDoubleAsSingle = 0;
if (tkInitWindowAW((char *)title, bUnicode) == GL_FALSE) {
if (AUX_WIND_IS_SINGLE(displayModeType)) {
tkInitDisplayMode(displayModeType | AUX_DOUBLE);
if (tkInitWindowAW((char *)title, bUnicode) == GL_FALSE) {
return GL_FALSE; /* curses, foiled again */
}
MESSAGEBOX(GetFocus(), "Can't initialize a single buffer visual. "
"Will use a double buffer visual instead, "
"only drawing into the front buffer.",
"Warning", MB_OK);
displayModeType = displayModeType | AUX_DOUBLE;
useDoubleAsSingle = 1;
}
}
tkReshapeFunc((void (*)(int, int))DefaultHandleReshape);
tkExposeFunc((void (*)(int, int))DefaultHandleExpose);
tkMouseUpFunc(MouseUp);
tkMouseDownFunc(MouseDown);
tkMouseMoveFunc(MouseLoc);
tkKeyDownFunc(KeyDown);
auxKeyFunc(AUX_ESCAPE, auxQuit);
glClearColor((GLclampf)0.0, (GLclampf)0.0, (GLclampf)0.0, (GLclampf)1.0);
glClearIndex((GLfloat)0.0);
glLoadIdentity();
if (useDoubleAsSingle)
glDrawBuffer(GL_FRONT);
return GL_TRUE;
}
void auxCloseWindow(void)
{
tkCloseWindow();
keyTableCount = 0;
mouseDownTableCount = 0;
mouseUpTableCount = 0;
mouseLocTableCount = 0;
}
void auxQuit(void)
{
tkQuit();
}
void auxSwapBuffers(void)
{
tkSwapBuffers();
}
HWND auxGetHWND(void)
{
return tkGetHWND();
}
HDC auxGetHDC(void)
{
return tkGetHDC();
}
HGLRC auxGetHGLRC(void)
{
return tkGetHRC();
}
GLenum auxGetDisplayModePolicy(void)
{
return tkGetDisplayModePolicy();
}
GLint auxGetDisplayModeID(void)
{
return tkGetDisplayModeID();
}
GLenum auxGetDisplayMode(void)
{
return tkGetDisplayMode();
}
void auxSetOneColor(int index, float r, float g, float b)
{
tkSetOneColor(index, r, g, b);
}
void auxSetFogRamp(int density, int startIndex)
{
tkSetFogRamp(density, startIndex);
}
void auxSetGreyRamp(void)
{
tkSetGreyRamp();
}
void auxSetRGBMap(int size, float *rgb)
{
tkSetRGBMap(size, rgb);
}
int auxGetColorMapSize(void)
{
return tkGetColorMapSize();
}
void auxGetMouseLoc(int *x, int *y)
{
tkGetMouseLoc(x, y);
}