nuclear@40: #include <stdio.h>
nuclear@40: #include <ctype.h>
nuclear@40: #include "sgl.h"
nuclear@40: 
nuclear@40: void disp(void);
nuclear@40: void reshape(int x, int y);
nuclear@40: void keyb(int key, int state);
nuclear@40: void mouse(int pidx, int bn, int state, int x, int y);
nuclear@40: void motion(int pidx, int x, int y);
nuclear@40: 
nuclear@40: 
nuclear@40: int main(void)
nuclear@40: {
nuclear@40: 	if(sgl_init() == -1) {
nuclear@40: 		return 1;
nuclear@40: 	}
nuclear@40: 	
nuclear@40: 	sgl_create_window(640, 480, SGL_DOUBLE | SGL_DEPTH);
nuclear@40: 	
nuclear@40: 	sgl_display_callback(disp);
nuclear@40: 	sgl_reshape_callback(reshape);
nuclear@40: 	sgl_keyboard_callback(keyb);
nuclear@40: 	sgl_mouse_callback(mouse);
nuclear@40: 	sgl_motion_callback(motion);
nuclear@40: 	
nuclear@40: 	sgl_event_loop();
nuclear@40: 	sgl_quit();
nuclear@40: 	return 0;
nuclear@40: }
nuclear@40: 
nuclear@40: 
nuclear@40: void disp(void)
nuclear@40: {
nuclear@40: 	sgl_log("redisplay\n");
nuclear@40: 	
nuclear@40: 	glClearColor(0.2, 0.2, 0.2, 1);
nuclear@40: 	glClear(GL_COLOR_BUFFER_BIT);
nuclear@40: 	
nuclear@40: #ifndef GL_ES_VERSION_2_0
nuclear@40: 	glBegin(GL_QUADS);
nuclear@40: 	glColor3f(1, 0, 0);
nuclear@40: 	glVertex2f(-1, -1);
nuclear@40: 	glColor3f(0, 1, 0);
nuclear@40: 	glVertex2f(1, -1);
nuclear@40: 	glColor3f(0, 0, 1);
nuclear@40: 	glVertex2f(1, 1);
nuclear@40: 	glColor3f(1, 1, 0);
nuclear@40: 	glVertex2f(-1, 1);
nuclear@40: 	glEnd();
nuclear@40: #endif
nuclear@40: 	
nuclear@40: 	sgl_swap_buffers();
nuclear@40: }
nuclear@40: 
nuclear@40: void reshape(int x, int y)
nuclear@40: {
nuclear@40: 	printf("reshape: %dx%d\n", x, y);
nuclear@40: 	glViewport(0, 0, x, y);
nuclear@40: }
nuclear@40: 
nuclear@40: void keyb(int key, int state)
nuclear@40: {
nuclear@40: 	char *ststr = state ? "pressed" : "released";
nuclear@40: 	
nuclear@40: 	if(key < 0xff && isprint(key)) {
nuclear@40: 		sgl_log("keyboard: '%c' %s\n", (char)key, ststr);
nuclear@40: 	} else {
nuclear@40: 		sgl_log("keyboard: %x %s\n", key, ststr);
nuclear@40: 	}
nuclear@40: 	
nuclear@40: 	if(key == 27) {
nuclear@40: 		sgl_quit();
nuclear@40: 	}
nuclear@40: }
nuclear@40: 
nuclear@40: void mouse(int pidx, int bn, int state, int x, int y)
nuclear@40: {
nuclear@40: 	printf("mouse: button%d %s (ptr: %d %d)\n", bn, state ? "pressed" : "released", x, y);
nuclear@40: }
nuclear@40: 
nuclear@40: void motion(int pidx, int x, int y)
nuclear@40: {
nuclear@40: 	printf("mouse dragged to: (%d %d)\n", x, y);
nuclear@40: }