view examples/dynamic/main.c @ 1087:cd34de1a6960 openvg

Fix issue of incorrect color for color paint. It is always black (nearly). It is caused by translate RGBA values from MadButterfly to OpenVG with wrong function.
author Thinker K.F. Li <thinker@codemud.net>
date Fri, 03 Dec 2010 18:18:43 +0800
parents 36a63287e1d4
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"



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


#define CMOUSE(e) (coord_get_mouse_event(e))

static void add_rect_move(event_t *evt, void *arg) 
{
    app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t );
    mouse_event_t *mev = (mouse_event_t *) evt;

    printf("resize rectangle\n");
    sh_rect_set(en->rect, en->start_x, en->start_y, mev->x - en->start_x, mev->y-en->start_y,0,0);
    rdman_shape_changed(MBAF_RDMAN(arg),en->rect);
    rdman_redraw_changed(MBAF_RDMAN(arg));
}

static void add_rect_release(event_t *evt, void *arg) 
{
    app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t );
    mouse_event_t *mev = (mouse_event_t *) evt;

    printf("rectangle done\n");
    subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs1);
    subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs2);
}

static void add_rect_2(event_t *evt, void *arg) 
{
    app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t );
    mouse_event_t *mev = (mouse_event_t *) evt;
    paint_t *color;

    printf("select first point\n");
    // Add an rect path 

    en->start_x = mev->x;
    en->start_y = mev->y;
    subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs1);
    subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs2);
    en->obs1 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_MOVE, add_rect_move, en);
    en->obs2 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_BUT_RELEASE, add_rect_release, en);
}

static void add_rect_2_move(event_t *evt, void *arg) 
{
    app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t );
    mouse_event_t *mev = (mouse_event_t *) evt;

    sh_rect_set(en->rect, mev->x, mev->y, 50,50,0,0);
    rdman_shape_changed(MBAF_RDMAN(arg),en->rect);
    rdman_redraw_changed(MBAF_RDMAN(arg));
}

static void add_rect(event_t *evt, void *arg) 
{
    app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t );
    mouse_event_t *mev = (mouse_event_t *) evt;
    paint_t *color;

    printf("menut selected\n");
    en->obs1 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_BUT_PRESS, add_rect_2, en);
    en->obs2 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_MOVE, add_rect_2_move, en);
    en->rect = rdman_shape_rect_new(MBAF_RDMAN(arg), mev->x, mev->y, 50 , 50, 0,0);
    // Paint it with color
    en->obs1 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_BUT_PRESS, add_rect_2, en);
    en->obs2 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_MOVE, add_rect_2_move, en);
    en->rect = rdman_shape_rect_new(MBAF_RDMAN(arg), mev->x, mev->y, 50 , 50, 0,0);
    // Paint it with color
    color = rdman_paint_color_new(MBAF_RDMAN(arg), 0.800000, 0.800000, 0.400000, 1.000000);
    rdman_paint_fill(MBAF_RDMAN(arg), color, en->rect);
    // Add to the stage
    //rdman_add_shape(MBAF_RDMAN(arg), en->rect, en->menu->root_coord);
}


void test(void *a)
{
    printf("Button is pressed.....\n");
}

mbaf_t *app;

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;

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

    en->currentscene = (en->currentscene + 1) % 2;
    printf("switch to scene %d\n", en->currentscene + 1);
    MB_SPRITE_GOTO_SCENE(app->rootsprite,en->currentscene + 1);
}

MyApp_InitContent()
{
    mb_button_t *b;
    mb_sprite_t *sprite;

    sprite = sprite_load("button", app->rdman, app->rdman->root_coord);
    b = mb_button_new(app->rdman, sprite, "btn");
    mb_button_add_onClick(b, test,NULL);
}

void draw_text()
{
    
}

int main(int argc, char * const argv[]) {
    subject_t *subject;
    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("scene", ".libs");
    data.currentscene=0;
    draw_text();
    mbaf_set_data(app,&data);
    MyApp_InitContent();
    get_now(&tmo);
    MB_TIMEVAL_SET(&interval, 1 ,0);
    mb_timer_man_timeout( mbaf_get_timer(app), &tmo, switch_scene, app);
    

    mbaf_loop(app);

    return 0;
}

/* vim: set ts=4 */