2011-04-27 11:58:34 +00:00
|
|
|
/*
|
|
|
|
* Copyright 2011, Blender Foundation.
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU General Public License
|
|
|
|
* as published by the Free Software Foundation; either version 2
|
|
|
|
* of the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
2011-05-31 09:47:19 +00:00
|
|
|
#include "util_opengl.h"
|
|
|
|
#include "util_time.h"
|
|
|
|
#include "util_view.h"
|
|
|
|
|
2011-05-01 10:00:21 +00:00
|
|
|
#ifdef __APPLE__
|
|
|
|
#include <GLUT/glut.h>
|
|
|
|
#else
|
|
|
|
#include <GL/glut.h>
|
|
|
|
#endif
|
|
|
|
|
2011-04-27 11:58:34 +00:00
|
|
|
CCL_NAMESPACE_BEGIN
|
|
|
|
|
|
|
|
/* structs */
|
|
|
|
|
|
|
|
struct View {
|
|
|
|
ViewInitFunc initf;
|
|
|
|
ViewExitFunc exitf;
|
|
|
|
ViewResizeFunc resize;
|
|
|
|
ViewDisplayFunc display;
|
|
|
|
ViewKeyboardFunc keyboard;
|
|
|
|
|
|
|
|
bool first_display;
|
|
|
|
bool redraw;
|
|
|
|
|
|
|
|
int width, height;
|
|
|
|
} V;
|
|
|
|
|
|
|
|
/* public */
|
|
|
|
|
|
|
|
static void view_display_text(int x, int y, const char *text)
|
|
|
|
{
|
|
|
|
const char *c;
|
|
|
|
|
|
|
|
glRasterPos3f(x, y, 0);
|
|
|
|
|
2012-06-09 18:56:12 +00:00
|
|
|
for(c = text; *c != '\0'; c++)
|
2011-04-27 11:58:34 +00:00
|
|
|
glutBitmapCharacter(GLUT_BITMAP_HELVETICA_10, *c);
|
|
|
|
}
|
|
|
|
|
|
|
|
void view_display_info(const char *info)
|
|
|
|
{
|
|
|
|
const int height = 20;
|
|
|
|
|
|
|
|
glEnable(GL_BLEND);
|
|
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
glColor4f(0.1f, 0.1f, 0.1f, 0.8f);
|
|
|
|
glRectf(0.0f, V.height - height, V.width, V.height);
|
|
|
|
glDisable(GL_BLEND);
|
|
|
|
|
|
|
|
glColor3f(0.5f, 0.5f, 0.5f);
|
|
|
|
|
|
|
|
view_display_text(10, 7 + V.height - height, info);
|
|
|
|
|
|
|
|
glColor3f(1.0f, 1.0f, 1.0f);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void view_display()
|
|
|
|
{
|
|
|
|
if(V.first_display) {
|
|
|
|
if(V.initf) V.initf();
|
|
|
|
if(V.exitf) atexit(V.exitf);
|
|
|
|
|
|
|
|
V.first_display = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
glClearColor(0.05f, 0.05f, 0.05f, 0.0f);
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
|
|
glLoadIdentity();
|
|
|
|
gluOrtho2D(0, V.width, 0, V.height);
|
|
|
|
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
glLoadIdentity();
|
|
|
|
|
|
|
|
glRasterPos3f(0, 0, 0);
|
|
|
|
|
|
|
|
if(V.display)
|
|
|
|
V.display();
|
|
|
|
|
|
|
|
glutSwapBuffers();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void view_reshape(int width, int height)
|
|
|
|
{
|
|
|
|
if(width <= 0 || height <= 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
V.width = width;
|
|
|
|
V.height = height;
|
|
|
|
|
|
|
|
glViewport(0, 0, width, height);
|
|
|
|
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
|
|
glLoadIdentity();
|
|
|
|
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
glLoadIdentity();
|
|
|
|
|
|
|
|
if(V.resize)
|
|
|
|
V.resize(width, height);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void view_keyboard(unsigned char key, int x, int y)
|
|
|
|
{
|
|
|
|
if(V.keyboard)
|
|
|
|
V.keyboard(key);
|
|
|
|
|
|
|
|
if(key == 'm')
|
|
|
|
printf("mouse %d %d\n", x, y);
|
|
|
|
if(key == 'q') {
|
|
|
|
if(V.exitf) V.exitf();
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void view_idle()
|
|
|
|
{
|
|
|
|
if(V.redraw) {
|
|
|
|
V.redraw = false;
|
|
|
|
glutPostRedisplay();
|
|
|
|
}
|
|
|
|
|
|
|
|
time_sleep(0.1f);
|
|
|
|
}
|
|
|
|
|
|
|
|
void view_main_loop(const char *title, int width, int height,
|
|
|
|
ViewInitFunc initf, ViewExitFunc exitf,
|
|
|
|
ViewResizeFunc resize, ViewDisplayFunc display,
|
|
|
|
ViewKeyboardFunc keyboard)
|
|
|
|
{
|
|
|
|
const char *name = "app";
|
|
|
|
char *argv = (char*)name;
|
|
|
|
int argc = 1;
|
|
|
|
|
|
|
|
memset(&V, 0, sizeof(V));
|
|
|
|
V.width = width;
|
|
|
|
V.height = height;
|
|
|
|
V.first_display = true;
|
|
|
|
V.redraw = false;
|
|
|
|
V.initf = initf;
|
|
|
|
V.exitf = exitf;
|
|
|
|
V.resize = resize;
|
|
|
|
V.display = display;
|
|
|
|
V.keyboard = keyboard;
|
|
|
|
|
|
|
|
glutInit(&argc, &argv);
|
|
|
|
glutInitWindowSize(width, height);
|
|
|
|
glutInitWindowPosition(0, 0);
|
|
|
|
glutInitDisplayMode(GLUT_RGB|GLUT_DOUBLE|GLUT_DEPTH);
|
|
|
|
glutCreateWindow(title);
|
|
|
|
|
|
|
|
#ifndef __APPLE__
|
|
|
|
glewInit();
|
|
|
|
#endif
|
|
|
|
|
|
|
|
view_reshape(width, height);
|
|
|
|
|
|
|
|
glutDisplayFunc(view_display);
|
|
|
|
glutIdleFunc(view_idle);
|
|
|
|
glutReshapeFunc(view_reshape);
|
|
|
|
glutKeyboardFunc(view_keyboard);
|
|
|
|
|
|
|
|
glutMainLoop();
|
|
|
|
}
|
|
|
|
|
|
|
|
void view_redraw()
|
|
|
|
{
|
|
|
|
V.redraw = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
CCL_NAMESPACE_END
|
|
|
|
|