view examples/dynamic/text.c @ 580:7bfeccdc91cb openvg

Encapsulate information of OpenVG objects in structures. The idea is to encapsulate information of OpenVG in structures to adapt OpenVG to Graphic Engine API defined by MadButterfly.
author Thinker K.F. Li <thinker@branda.to>
date Thu, 17 Jun 2010 10:41:53 +0800
parents ea09fdab333a
children
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/*! \file
 *
 * svg2code_ex is an example that show programmers how to create a
 * menu with MadButterfly.
 *
 */
#include <stdio.h>
#include <mb.h>
#include <string.h>
//#include "menu.h"
#include "mb_af.h"


mbaf_t *app;

typedef struct {
    shape_t *rect;
    co_aix orx,ory;
    int start_x,start_y;
    observer_t *obs1,*obs2;
    int currentscene;
}app_data_t;


void switch_scene(const mb_timeval_t *tmo, const mb_timeval_t *now,void *arg)
{
    app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t );
    mb_timeval_t timer,interval;
    shape_t *text = (shape_t *) MB_SPRITE_GET_OBJ(app->rootsprite,"mytext");
    mb_textstyle_t style;

    mb_textstyle_init(&style);

    
    get_now(&timer);
    MB_TIMEVAL_SET(&interval, 1 ,0);
    MB_TIMEVAL_ADD(&timer, &interval);
    mb_tman_timeout( mbaf_get_timer(app), &timer, switch_scene, app);

    en->currentscene = (en->currentscene + 1) % 2;
    printf("xxx\n");
    if (en->currentscene == 0) {
        sh_text_set_text(text,"This is 0");
	mb_textstyle_set_color(&style, TEXTCOLOR_RGB(255,0,0));
	sh_text_set_style(text,0,5,&style);
    } else {
        sh_text_set_text(text,"This is 1");
	mb_textstyle_set_color(&style, TEXTCOLOR_RGB(0,255,0));
	sh_text_set_style(text,0,5,&style);
    }
    rdman_shape_changed(MBAF_RDMAN(app), text);
#if 0
    /* Removed!
     * X_MB_handle_connection() will invoke it automatically.
     */
    rdman_redraw_changed(MBAF_RDMAN(app));
#endif
}

int main(int argc, char * const argv[]) {
    subject_t *subject;
    mb_button_t *b;
    mb_obj_t *button;
    app_data_t data;
    mb_timeval_t tmo,interval;

    if (argc > 1) 
	app = mbaf_init(argv[1], "");
    else
	app = mbaf_init("mytext", ".libs");
    data.currentscene=0;
    mbaf_set_data(app,&data);
    get_now(&tmo);
    MB_TIMEVAL_SET(&interval, 1 ,0);
    mb_tman_timeout( mbaf_get_timer(app), &tmo, switch_scene, app);
    

    mbaf_loop(app);

    return 0;
}

/* vim: set ts=4 */